mirror of
https://github.com/taigrr/nats.docs
synced 2025-01-18 04:03:23 -08:00
Started on developer section of the book
Added tool to build example html Added book.json to bring in a couple plugins Added building_the_book.md to help with how to build things Updated gitignore with vscode and node modules Checking in initial version of code examples Copy/pasted a couple pages to get started on dev book Updated html template for dev book to support graph vis/copy icon/styles
This commit is contained in:
Stephen Asbury
115
developer/examples/connect_default.html
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115
developer/examples/connect_default.html
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@@ -0,0 +1,115 @@
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<div class="tab-wrap">
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<input type="radio" id="connect_default_go" name="connect_default" class="tab" checked>
|
||||
|
||||
<label for="connect_default_go" class="api-lang" data-language="go">Go</label>
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||||
|
||||
|
||||
<input type="radio" id="connect_default_java" name="connect_default" class="tab">
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||||
|
||||
<label for="connect_default_java" class="api-lang" data-language="java">Java</label>
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||||
|
||||
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<input type="radio" id="connect_default_js" name="connect_default" class="tab">
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<label for="connect_default_js" class="api-lang" data-language="js">JavaScript</label>
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<input type="radio" id="connect_default_py" name="connect_default" class="tab">
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|
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<label for="connect_default_py" class="api-lang" data-language="py">Python</label>
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<input type="radio" id="connect_default_ruby" name="connect_default" class="tab">
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<label for="connect_default_ruby" class="api-lang" data-language="ruby">Ruby</label>
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<input type="radio" id="connect_default_ts" name="connect_default" class="tab">
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<label for="connect_default_ts" class="api-lang" data-language="ts">TypeScript</label>
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<div class="tab__content">
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<pre id="connect_default_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/connect_default/main.go#L10-19"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">nc, err := nats.Connect(nats.DefaultURL)
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if err != nil {
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log.Fatal(err)
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}
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defer nc.Close()
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// Do something with the connection
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</code></pre>
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</div>
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<div class="tab__content">
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<pre id="connect_default_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/ConnectToDefaultServer.java#L10-16"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java">Connection nc = Nats.connect();
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// Do something with the connection
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nc.close();
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</code></pre>
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</div>
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<div class="tab__content">
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<pre id="connect_default_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/connection_samples.js#L22-33"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">let nc = NATS.connect();
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nc.on('connect', (c) => {
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// Do something with the connection
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doSomething();
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// When done close it
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nc.close();
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});
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nc.on('error', (err) => {
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failed(err);
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});
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</code></pre>
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</div>
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<div class="tab__content">
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<pre id="connect_default_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/connect_default.py#L5-13"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python">nc = NATS()
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await nc.connect()
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# Do something with the connection
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await nc.close()
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</code></pre>
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</div>
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<div class="tab__content">
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<pre id="connect_default_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/connect_default.rb#L1-10"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby">require 'nats/client'
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NATS.start do |nc|
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# Do something with the connection
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# Close the connection
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nc.close
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end
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</code></pre>
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</div>
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<div class="tab__content">
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<pre id="connect_default_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/connection_samples.ts#L16-34"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">// will throw an exception if connection fails
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let nc = await connect();
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// Do something with the connection
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// When done close it
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nc.close();
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// alternatively, you can use the Promise pattern
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let nc1: Client;
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connect()
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.then((c) => {
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nc1 = c;
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// Do something with the connection
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nc1.close();
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});
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// add a .catch/.finally
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</code></pre>
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</div>
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</div>
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129
developer/examples/connect_multiple.html
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129
developer/examples/connect_multiple.html
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<div class="tab-wrap">
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<input type="radio" id="connect_multiple_go" name="connect_multiple" class="tab" checked>
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<label for="connect_multiple_go" class="api-lang" data-language="go">Go</label>
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<input type="radio" id="connect_multiple_java" name="connect_multiple" class="tab">
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<label for="connect_multiple_java" class="api-lang" data-language="java">Java</label>
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<input type="radio" id="connect_multiple_js" name="connect_multiple" class="tab">
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<label for="connect_multiple_js" class="api-lang" data-language="js">JavaScript</label>
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<input type="radio" id="connect_multiple_py" name="connect_multiple" class="tab">
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<label for="connect_multiple_py" class="api-lang" data-language="py">Python</label>
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<input type="radio" id="connect_multiple_ruby" name="connect_multiple" class="tab">
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<label for="connect_multiple_ruby" class="api-lang" data-language="ruby">Ruby</label>
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<input type="radio" id="connect_multiple_ts" name="connect_multiple" class="tab">
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<label for="connect_multiple_ts" class="api-lang" data-language="ts">TypeScript</label>
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||||
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||||
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<div class="tab__content">
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||||
<pre id="connect_multiple_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/connect_multiple/main.go#L11-25"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">servers := []string{"nats://localhost:1222",
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"nats://localhost:1223",
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"nats://localhost:1224",
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}
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nc, err := nats.Connect(strings.Join(servers, ","))
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if err != nil {
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log.Fatal(err)
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}
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defer nc.Close()
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// Do something with the connection
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||||
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||||
</code></pre>
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||||
</div>
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||||
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||||
<div class="tab__content">
|
||||
<pre id="connect_multiple_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/ConnectToMultipleServers.java#L11-22"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java">Options options = new Options.Builder().
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server("nats://localhost:1222").
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server("nats://localhost:1223").
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server("nats://localhost:1224").
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build();
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Connection nc = Nats.connect(options);
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// Do something with the connection
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nc.close();
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</code></pre>
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</div>
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<div class="tab__content">
|
||||
<pre id="connect_multiple_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/connection_samples.js#L67-84"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">let nc = NATS.connect({
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servers: [
|
||||
"nats://demo.nats.io:4222",
|
||||
"nats://localhost:4222"
|
||||
]}
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||||
);
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||||
|
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nc.on('connect', (c) => {
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// Do something with the connection
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doSomething();
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||||
// When done close it
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||||
nc.close();
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||||
});
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||||
nc.on('error', (err) => {
|
||||
failed(err);
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||||
});
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||||
</code></pre>
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||||
</div>
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||||
<div class="tab__content">
|
||||
<pre id="connect_multiple_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/connect_multiple.py#L5-17"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python">nc = NATS()
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||||
await nc.connect(servers=[
|
||||
"nats://127.0.0.1:1222",
|
||||
"nats://127.0.0.1:1223",
|
||||
"nats://127.0.0.1:1224"
|
||||
])
|
||||
|
||||
# Do something with the connection
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||||
|
||||
await nc.close()
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_multiple_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/connect_multiple.rb#L1-10"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby">require 'nats/client'
|
||||
|
||||
NATS.start(servers: ["nats://127.0.0.1:1222", "nats://127.0.0.1:1223", "nats://127.0.0.1:1224"]) do |nc|
|
||||
# Do something with the connection
|
||||
|
||||
# Close the connection
|
||||
nc.close
|
||||
end
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_multiple_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/connection_samples.ts#L53-65"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">// will throw an exception if connection fails
|
||||
let nc = await connect({
|
||||
servers: [
|
||||
"nats://demo.nats.io:4222",
|
||||
"nats://localhost:4222"
|
||||
]
|
||||
});
|
||||
// Do something with the connection
|
||||
|
||||
// When done close it
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
109
developer/examples/connect_name.html
Normal file
109
developer/examples/connect_name.html
Normal file
@@ -0,0 +1,109 @@
|
||||
|
||||
<div class="tab-wrap">
|
||||
|
||||
|
||||
<input type="radio" id="connect_name_go" name="connect_name" class="tab" checked>
|
||||
|
||||
<label for="connect_name_go" class="api-lang" data-language="go">Go</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_name_java" name="connect_name" class="tab">
|
||||
|
||||
<label for="connect_name_java" class="api-lang" data-language="java">Java</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_name_js" name="connect_name" class="tab">
|
||||
|
||||
<label for="connect_name_js" class="api-lang" data-language="js">JavaScript</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_name_py" name="connect_name" class="tab">
|
||||
|
||||
<label for="connect_name_py" class="api-lang" data-language="py">Python</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_name_ruby" name="connect_name" class="tab">
|
||||
|
||||
<label for="connect_name_ruby" class="api-lang" data-language="ruby">Ruby</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_name_ts" name="connect_name" class="tab">
|
||||
|
||||
<label for="connect_name_ts" class="api-lang" data-language="ts">TypeScript</label>
|
||||
|
||||
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_name_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/connect_name/main.go#L10-20"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">// Set a connection name
|
||||
nc, err := nats.Connect("demo.nats.io", nats.Name("my-connection"))
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
defer nc.Close()
|
||||
|
||||
// Do something with the connection
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_name_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/ConnectName.java#L11-21"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java">Options options = new Options.Builder().
|
||||
server("nats://demo.nats.io:4222").
|
||||
connectionName("my-connection"). // Set a connection name
|
||||
build();
|
||||
Connection nc = Nats.connect(options);
|
||||
|
||||
// Do something with the connection
|
||||
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_name_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/options_samples.js#L73-79"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">let nc = NATS.connect({
|
||||
url: "nats://demo.nats.io:4222",
|
||||
name: "my-connection"
|
||||
});
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_name_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/connect_name.py#L6-13"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python">nc = NATS()
|
||||
|
||||
await nc.connect(servers=["nats://demo.nats.io:4222"], name="my-connection")
|
||||
|
||||
# Do something with the connection.
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_name_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/connect_name.rb#L1-15"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby">require 'nats/client'
|
||||
|
||||
NATS.start(servers:["nats://demo.nats.io:4222"], name: "my-connection") do |nc|
|
||||
nc.on_reconnect do
|
||||
puts "Got reconnected to #{nc.connected_server}"
|
||||
end
|
||||
|
||||
nc.on_disconnect do |reason|
|
||||
puts "Got disconnected! #{reason}"
|
||||
end
|
||||
|
||||
nc.close
|
||||
end
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_name_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/options_samples.ts#L55-63"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">// will throw an exception if connection fails
|
||||
let nc = await connect({
|
||||
url: "nats://demo.nats.io:4222",
|
||||
name: "my-connection"
|
||||
});
|
||||
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
102
developer/examples/connect_options.html
Normal file
102
developer/examples/connect_options.html
Normal file
@@ -0,0 +1,102 @@
|
||||
|
||||
<div class="tab-wrap">
|
||||
|
||||
|
||||
<input type="radio" id="connect_options_go" name="connect_options" class="tab" checked>
|
||||
|
||||
<label for="connect_options_go" class="api-lang" data-language="go">Go</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_options_java" name="connect_options" class="tab">
|
||||
|
||||
<label for="connect_options_java" class="api-lang" data-language="java">Java</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_options_js" name="connect_options" class="tab">
|
||||
|
||||
<label for="connect_options_js" class="api-lang" data-language="js">JavaScript</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_options_py" name="connect_options" class="tab">
|
||||
|
||||
<label for="connect_options_py" class="api-lang" data-language="py">Python</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_options_ruby" name="connect_options" class="tab">
|
||||
|
||||
<label for="connect_options_ruby" class="api-lang" data-language="ruby">Ruby</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_options_ts" name="connect_options" class="tab">
|
||||
|
||||
<label for="connect_options_ts" class="api-lang" data-language="ts">TypeScript</label>
|
||||
|
||||
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_options_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/connect_options/main.go#L11-20"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">nc, err := nats.Connect(nats.DefaultURL, nats.Timeout(10*time.Second))
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
defer nc.Close()
|
||||
|
||||
// Do something with the connection
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_options_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/ConnectWithOptions.java#L13-23"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java">Options options = new Options.Builder().
|
||||
server("nats://demo.nats.io:4222").
|
||||
connectionTimeout(Duration.ofSeconds(10)). // Set timeout
|
||||
build();
|
||||
Connection nc = Nats.connect(options);
|
||||
|
||||
// Do something with the connection
|
||||
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_options_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/options_samples.js#L121-123"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">// connection timeout is not supported on node-nats
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_options_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/connect_options.py#L5-13"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python">nc = NATS()
|
||||
await nc.connect(connect_timeout=2)
|
||||
|
||||
# Do something with the connection
|
||||
|
||||
await nc.close()
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_options_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/connect_options.rb#L1-14"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby"># There is currently no connect timeout as part of the Ruby NATS client API, but you can use a timer to mimic it.
|
||||
require 'nats/client'
|
||||
|
||||
timer = EM.add_timer(5) do
|
||||
NATS.connect do |nc|
|
||||
# Do something with the connection
|
||||
|
||||
# Close the connection
|
||||
nc.close
|
||||
end
|
||||
end
|
||||
EM.cancel_timer(timer)
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_options_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/options_samples.ts#L89-95"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">let nc = await connect({
|
||||
url: "nats://demo.nats.io:4222",
|
||||
timeout: 1000
|
||||
});
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
112
developer/examples/connect_pedantic.html
Normal file
112
developer/examples/connect_pedantic.html
Normal file
@@ -0,0 +1,112 @@
|
||||
|
||||
<div class="tab-wrap">
|
||||
|
||||
|
||||
<input type="radio" id="connect_pedantic_go" name="connect_pedantic" class="tab" checked>
|
||||
|
||||
<label for="connect_pedantic_go" class="api-lang" data-language="go">Go</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_pedantic_java" name="connect_pedantic" class="tab">
|
||||
|
||||
<label for="connect_pedantic_java" class="api-lang" data-language="java">Java</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_pedantic_js" name="connect_pedantic" class="tab">
|
||||
|
||||
<label for="connect_pedantic_js" class="api-lang" data-language="js">JavaScript</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_pedantic_py" name="connect_pedantic" class="tab">
|
||||
|
||||
<label for="connect_pedantic_py" class="api-lang" data-language="py">Python</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_pedantic_ruby" name="connect_pedantic" class="tab">
|
||||
|
||||
<label for="connect_pedantic_ruby" class="api-lang" data-language="ruby">Ruby</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_pedantic_ts" name="connect_pedantic" class="tab">
|
||||
|
||||
<label for="connect_pedantic_ts" class="api-lang" data-language="ts">TypeScript</label>
|
||||
|
||||
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_pedantic_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/connect_pedantic/main.go#L10-23"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">opts := nats.GetDefaultOptions()
|
||||
opts.Url = "demo.nats.io"
|
||||
// Turn on Pedantic
|
||||
opts.Pedantic = true
|
||||
nc, err := opts.Connect()
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
defer nc.Close()
|
||||
|
||||
// Do something with the connection
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_pedantic_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/ConnectPedantic.java#L11-21"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java">Options options = new Options.Builder().
|
||||
server("nats://demo.nats.io:4222").
|
||||
pedantic(). // Turn on pedantic
|
||||
build();
|
||||
Connection nc = Nats.connect(options);
|
||||
|
||||
// Do something with the connection
|
||||
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_pedantic_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/options_samples.js#L39-45"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">let nc = NATS.connect({
|
||||
url: "nats://demo.nats.io:4222",
|
||||
pedantic: true
|
||||
});
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_pedantic_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/connect_pedantic.py#L6-13"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python">nc = NATS()
|
||||
|
||||
await nc.connect(servers=["nats://demo.nats.io:4222"], pedantic=True)
|
||||
|
||||
# Do something with the connection.
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_pedantic_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/connect_pedantic.rb#L1-15"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby">require 'nats/client'
|
||||
|
||||
NATS.start(pedantic: true) do |nc|
|
||||
nc.on_reconnect do
|
||||
puts "Got reconnected to #{nc.connected_server}"
|
||||
end
|
||||
|
||||
nc.on_disconnect do |reason|
|
||||
puts "Got disconnected! #{reason}"
|
||||
end
|
||||
|
||||
nc.close
|
||||
end
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_pedantic_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/options_samples.ts#L29-37"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">// will throw an exception if connection fails
|
||||
let nc = await connect({
|
||||
url: "nats://demo.nats.io:4222",
|
||||
pedantic: true
|
||||
});
|
||||
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
144
developer/examples/connect_status.html
Normal file
144
developer/examples/connect_status.html
Normal file
@@ -0,0 +1,144 @@
|
||||
|
||||
<div class="tab-wrap">
|
||||
|
||||
|
||||
<input type="radio" id="connect_status_go" name="connect_status" class="tab" checked>
|
||||
|
||||
<label for="connect_status_go" class="api-lang" data-language="go">Go</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_status_java" name="connect_status" class="tab">
|
||||
|
||||
<label for="connect_status_java" class="api-lang" data-language="java">Java</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_status_js" name="connect_status" class="tab">
|
||||
|
||||
<label for="connect_status_js" class="api-lang" data-language="js">JavaScript</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_status_py" name="connect_status" class="tab">
|
||||
|
||||
<label for="connect_status_py" class="api-lang" data-language="py">Python</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_status_ruby" name="connect_status" class="tab">
|
||||
|
||||
<label for="connect_status_ruby" class="api-lang" data-language="ruby">Ruby</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_status_ts" name="connect_status" class="tab">
|
||||
|
||||
<label for="connect_status_ts" class="api-lang" data-language="ts">TypeScript</label>
|
||||
|
||||
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_status_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/connect_status/main.go#L10-33"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">nc, err := nats.Connect("demo.nats.io")
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
defer nc.Close()
|
||||
|
||||
getStatusTxt := func(nc *nats.Conn) string {
|
||||
switch nc.Status() {
|
||||
case nats.CONNECTED:
|
||||
return "Connected"
|
||||
case nats.CLOSED:
|
||||
return "Closed"
|
||||
default:
|
||||
return "Other"
|
||||
}
|
||||
}
|
||||
log.Printf("The connection is %v\n", getStatusTxt(nc))
|
||||
|
||||
nc.Close()
|
||||
|
||||
log.Printf("The connection is %v\n", getStatusTxt(nc))
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_status_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/GetConnectionStatus.java#L10-18"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java">Connection nc = Nats.connect("nats://demo.nats.io:4222");
|
||||
|
||||
System.out.println("The Connection is: " + nc.getStatus());
|
||||
|
||||
nc.close();
|
||||
|
||||
System.out.println("The Connection is: " + nc.getStatus());
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_status_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/event_samples.js#L99-113"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">let nc = NATS.connect("nats://demo.nats.io:4222");
|
||||
|
||||
// on node you *must* register an error listener. If not registered
|
||||
// the library emits an 'error' event, the node process will exit.
|
||||
nc.on('error', (err) => {
|
||||
t.log('client got an error:', err);
|
||||
});
|
||||
|
||||
if(nc.closed) {
|
||||
t.log('client is closed');
|
||||
} else {
|
||||
t.log('client is not closed');
|
||||
}
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_status_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/connect_status.py#L6-27"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python">nc = NATS()
|
||||
|
||||
await nc.connect(
|
||||
servers=["nats://demo.nats.io:4222"],
|
||||
)
|
||||
|
||||
# Do something with the connection.
|
||||
|
||||
print("The connection is connected?", nc.is_connected)
|
||||
|
||||
while True:
|
||||
if nc.is_reconnecting:
|
||||
print("Reconnecting to NATS...")
|
||||
break
|
||||
await asyncio.sleep(1)
|
||||
|
||||
await nc.close()
|
||||
|
||||
print("The connection is closed?", nc.is_closed)
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_status_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/connect_status.rb#L3-21"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby">NATS.start(max_reconnect_attempts: 2) do |nc|
|
||||
puts "Connect is connected?: #{nc.connected?}"
|
||||
|
||||
timer = EM.add_periodic_timer(1) do
|
||||
if nc.closing?
|
||||
puts "Connection closed..."
|
||||
EM.cancel_timer(timer)
|
||||
NATS.stop
|
||||
end
|
||||
|
||||
if nc.reconnecting?
|
||||
puts "Reconnecting to NATS..."
|
||||
next
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_status_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/event_samples.ts#L62-68"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">if(nc.isClosed()) {
|
||||
t.log('the client is closed');
|
||||
} else {
|
||||
t.log('the client is running');
|
||||
}
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
213
developer/examples/connect_tls.html
Normal file
213
developer/examples/connect_tls.html
Normal file
@@ -0,0 +1,213 @@
|
||||
|
||||
<div class="tab-wrap">
|
||||
|
||||
|
||||
<input type="radio" id="connect_tls_go" name="connect_tls" class="tab" checked>
|
||||
|
||||
<label for="connect_tls_go" class="api-lang" data-language="go">Go</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_tls_java" name="connect_tls" class="tab">
|
||||
|
||||
<label for="connect_tls_java" class="api-lang" data-language="java">Java</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_tls_js" name="connect_tls" class="tab">
|
||||
|
||||
<label for="connect_tls_js" class="api-lang" data-language="js">JavaScript</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_tls_py" name="connect_tls" class="tab">
|
||||
|
||||
<label for="connect_tls_py" class="api-lang" data-language="py">Python</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_tls_ruby" name="connect_tls" class="tab">
|
||||
|
||||
<label for="connect_tls_ruby" class="api-lang" data-language="ruby">Ruby</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_tls_ts" name="connect_tls" class="tab">
|
||||
|
||||
<label for="connect_tls_ts" class="api-lang" data-language="ts">TypeScript</label>
|
||||
|
||||
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_tls_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/connect_tls/main.go#L10-21"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">nc, err := nats.Connect("localhost",
|
||||
nats.ClientCert("resources/certs/cert.pem", "resources/certs/key.pem"),
|
||||
nats.RootCAs("resources/certs/ca.pem"))
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
defer nc.Close()
|
||||
|
||||
// Do something with the connection
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_tls_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/ConnectTLS.java#L18-81"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java">class SSLUtils {
|
||||
public static String KEYSTORE_PATH = "src/main/resources/keystore.jks";
|
||||
public static String TRUSTSTORE_PATH = "src/main/resources/cacerts";
|
||||
public static String STORE_PASSWORD = "password";
|
||||
public static String KEY_PASSWORD = "password";
|
||||
public static String ALGORITHM = "SunX509";
|
||||
|
||||
public static KeyStore loadKeystore(String path) throws Exception {
|
||||
KeyStore store = KeyStore.getInstance("JKS");
|
||||
BufferedInputStream in = new BufferedInputStream(new FileInputStream(path));
|
||||
|
||||
try {
|
||||
store.load(in, STORE_PASSWORD.toCharArray());
|
||||
} finally {
|
||||
if (in != null) {
|
||||
in.close();
|
||||
}
|
||||
}
|
||||
|
||||
return store;
|
||||
}
|
||||
|
||||
public static KeyManager[] createTestKeyManagers() throws Exception {
|
||||
KeyStore store = loadKeystore(KEYSTORE_PATH);
|
||||
KeyManagerFactory factory = KeyManagerFactory.getInstance(ALGORITHM);
|
||||
factory.init(store, KEY_PASSWORD.toCharArray());
|
||||
return factory.getKeyManagers();
|
||||
}
|
||||
|
||||
public static TrustManager[] createTestTrustManagers() throws Exception {
|
||||
KeyStore store = loadKeystore(TRUSTSTORE_PATH);
|
||||
TrustManagerFactory factory = TrustManagerFactory.getInstance(ALGORITHM);
|
||||
factory.init(store);
|
||||
return factory.getTrustManagers();
|
||||
}
|
||||
|
||||
public static SSLContext createSSLContext() throws Exception {
|
||||
SSLContext ctx = SSLContext.getInstance(Options.DEFAULT_SSL_PROTOCOL);
|
||||
ctx.init(createTestKeyManagers(), createTestTrustManagers(), new SecureRandom());
|
||||
return ctx;
|
||||
}
|
||||
}
|
||||
|
||||
public class ConnectTLS {
|
||||
public static void main(String[] args) {
|
||||
|
||||
try {
|
||||
SSLContext ctx = SSLUtils.createSSLContext();
|
||||
Options options = new Options.Builder().
|
||||
server("nats://localhost:4222").
|
||||
sslContext(ctx). // Set the SSL context
|
||||
build();
|
||||
Connection nc = Nats.connect(options);
|
||||
|
||||
// Do something with the connection
|
||||
|
||||
nc.close();
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
}
|
||||
}
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_tls_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/tls_samples.js#L44-56"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">let caCert = fs.readFileSync(caCertPath);
|
||||
let clientCert = fs.readFileSync(clientCertPath);
|
||||
let clientKey = fs.readFileSync(clientKeyPath);
|
||||
let nc = NATS.connect({
|
||||
url: url,
|
||||
tls: {
|
||||
ca: [caCert],
|
||||
key: [clientKey],
|
||||
cert: [clientCert]
|
||||
}
|
||||
});
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_tls_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/connect_tls.py#L7-20"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python">nc = NATS()
|
||||
|
||||
ssl_ctx = ssl.create_default_context(purpose=ssl.Purpose.SERVER_AUTH)
|
||||
ssl_ctx.load_verify_locations('ca.pem')
|
||||
ssl_ctx.load_cert_chain(certfile='client-cert.pem',
|
||||
keyfile='client-key.pem')
|
||||
await nc.connect(io_loop=loop, tls=ssl_ctx)
|
||||
|
||||
await nc.connect(servers=["nats://demo.nats.io:4222"], tls=ssl_ctx)
|
||||
|
||||
# Do something with the connection.
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_tls_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/connect_tls.rb#L3-51"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby">EM.run do
|
||||
|
||||
options = {
|
||||
:servers => [
|
||||
'nats://localhost:4222',
|
||||
],
|
||||
:tls => {
|
||||
:private_key_file => './spec/configs/certs/key.pem',
|
||||
:cert_chain_file => './spec/configs/certs/server.pem'
|
||||
}
|
||||
}
|
||||
|
||||
NATS.connect(options) do |nc|
|
||||
puts "#{Time.now.to_f} - Connected to NATS at #{nc.connected_server}"
|
||||
|
||||
nc.subscribe("hello") do |msg|
|
||||
puts "#{Time.now.to_f} - Received: #{msg}"
|
||||
end
|
||||
|
||||
nc.flush do
|
||||
nc.publish("hello", "world")
|
||||
end
|
||||
|
||||
EM.add_periodic_timer(0.1) do
|
||||
next unless nc.connected?
|
||||
nc.publish("hello", "hello")
|
||||
end
|
||||
|
||||
# Set default callbacks
|
||||
nc.on_error do |e|
|
||||
puts "#{Time.now.to_f } - Error: #{e}"
|
||||
end
|
||||
|
||||
nc.on_disconnect do |reason|
|
||||
puts "#{Time.now.to_f} - Disconnected: #{reason}"
|
||||
end
|
||||
|
||||
nc.on_reconnect do |nc|
|
||||
puts "#{Time.now.to_f} - Reconnected to NATS server at #{nc.connected_server}"
|
||||
end
|
||||
|
||||
nc.on_close do
|
||||
puts "#{Time.now.to_f} - Connection to NATS closed"
|
||||
EM.stop
|
||||
end
|
||||
end
|
||||
end
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_tls_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/tls_samples.ts#L40-52"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">let caCert = readFileSync(caCertPath);
|
||||
let clientCert = readFileSync(clientCertPath);
|
||||
let clientKey = readFileSync(clientKeyPath);
|
||||
let nc = await connect({
|
||||
url: url,
|
||||
tls: {
|
||||
ca: [caCert],
|
||||
key: [clientKey],
|
||||
cert: [clientCert]
|
||||
}
|
||||
});
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
191
developer/examples/connect_tls_url.html
Normal file
191
developer/examples/connect_tls_url.html
Normal file
@@ -0,0 +1,191 @@
|
||||
|
||||
<div class="tab-wrap">
|
||||
|
||||
|
||||
<input type="radio" id="connect_tls_url_go" name="connect_tls_url" class="tab" checked>
|
||||
|
||||
<label for="connect_tls_url_go" class="api-lang" data-language="go">Go</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_tls_url_java" name="connect_tls_url" class="tab">
|
||||
|
||||
<label for="connect_tls_url_java" class="api-lang" data-language="java">Java</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_tls_url_js" name="connect_tls_url" class="tab">
|
||||
|
||||
<label for="connect_tls_url_js" class="api-lang" data-language="js">JavaScript</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_tls_url_py" name="connect_tls_url" class="tab">
|
||||
|
||||
<label for="connect_tls_url_py" class="api-lang" data-language="py">Python</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_tls_url_ruby" name="connect_tls_url" class="tab">
|
||||
|
||||
<label for="connect_tls_url_ruby" class="api-lang" data-language="ruby">Ruby</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_tls_url_ts" name="connect_tls_url" class="tab">
|
||||
|
||||
<label for="connect_tls_url_ts" class="api-lang" data-language="ts">TypeScript</label>
|
||||
|
||||
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_tls_url_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/connect_tls_url/main.go#L10-21"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">nc, err := nats.Connect("localhost",
|
||||
nats.Secure(),
|
||||
nats.RootCAs("resources/certs/ca.pem")) // May need this if server is using self-signed certificate
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
defer nc.Close()
|
||||
|
||||
// Do something with the connection
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_tls_url_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/ConnectTLSURL.java#L18-80"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java">class SSLUtils2 {
|
||||
public static String KEYSTORE_PATH = "src/main/resources/keystore.jks";
|
||||
public static String TRUSTSTORE_PATH = "src/main/resources/cacerts";
|
||||
public static String STORE_PASSWORD = "password";
|
||||
public static String KEY_PASSWORD = "password";
|
||||
public static String ALGORITHM = "SunX509";
|
||||
|
||||
public static KeyStore loadKeystore(String path) throws Exception {
|
||||
KeyStore store = KeyStore.getInstance("JKS");
|
||||
BufferedInputStream in = new BufferedInputStream(new FileInputStream(path));
|
||||
|
||||
try {
|
||||
store.load(in, STORE_PASSWORD.toCharArray());
|
||||
} finally {
|
||||
if (in != null) {
|
||||
in.close();
|
||||
}
|
||||
}
|
||||
|
||||
return store;
|
||||
}
|
||||
|
||||
public static KeyManager[] createTestKeyManagers() throws Exception {
|
||||
KeyStore store = loadKeystore(KEYSTORE_PATH);
|
||||
KeyManagerFactory factory = KeyManagerFactory.getInstance(ALGORITHM);
|
||||
factory.init(store, KEY_PASSWORD.toCharArray());
|
||||
return factory.getKeyManagers();
|
||||
}
|
||||
|
||||
public static TrustManager[] createTestTrustManagers() throws Exception {
|
||||
KeyStore store = loadKeystore(TRUSTSTORE_PATH);
|
||||
TrustManagerFactory factory = TrustManagerFactory.getInstance(ALGORITHM);
|
||||
factory.init(store);
|
||||
return factory.getTrustManagers();
|
||||
}
|
||||
|
||||
public static SSLContext createSSLContext() throws Exception {
|
||||
SSLContext ctx = SSLContext.getInstance(Options.DEFAULT_SSL_PROTOCOL);
|
||||
ctx.init(createTestKeyManagers(), createTestTrustManagers(), new SecureRandom());
|
||||
return ctx;
|
||||
}
|
||||
}
|
||||
|
||||
public class ConnectTLSURL {
|
||||
public static void main(String[] args) {
|
||||
|
||||
try {
|
||||
SSLContext.setDefault(SSLUtils2.createSSLContext()); // Set the default context
|
||||
Options options = new Options.Builder().
|
||||
server("tls://localhost:4222"). // Use the TLS protocol
|
||||
build();
|
||||
Connection nc = Nats.connect(options);
|
||||
|
||||
// Do something with the connection
|
||||
|
||||
nc.close();
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
}
|
||||
}
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_tls_url_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/tls_samples.js#L26-31"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">let nc = NATS.connect({
|
||||
url: "tls://demo.nats.io:4443",
|
||||
tls: true
|
||||
});
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_tls_url_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/connect_tls_url.py#L1-37"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python">import asyncio
|
||||
import ssl
|
||||
import certifi
|
||||
from nats.aio.client import Client as NATS
|
||||
from nats.aio.errors import ErrTimeout
|
||||
|
||||
async def run(loop):
|
||||
nc = NATS()
|
||||
|
||||
# If using Python 3.7 in OS X and getting SSL errors, run first:
|
||||
#
|
||||
# /Applications/Python\ 3.7/Install\ Certificates.command
|
||||
#
|
||||
# Setting the tls as the scheme will use same defaults as `ssl.create_default_context()`
|
||||
#
|
||||
await nc.connect("tls://demo.nats.io:4443", loop=loop)
|
||||
|
||||
async def message_handler(msg):
|
||||
subject = msg.subject
|
||||
reply = msg.reply
|
||||
data = msg.data.decode()
|
||||
print("Received a message on '{subject} {reply}': {data}".format(
|
||||
subject=subject, reply=reply, data=data))
|
||||
|
||||
# Simple publisher and async subscriber via coroutine.
|
||||
sid = await nc.subscribe("foo", cb=message_handler)
|
||||
await nc.flush()
|
||||
|
||||
# Stop receiving after 2 messages.
|
||||
await nc.auto_unsubscribe(sid, 2)
|
||||
await nc.publish("foo", b'Hello')
|
||||
await nc.publish("foo", b'World')
|
||||
await nc.publish("foo", b'!!!!!')
|
||||
await asyncio.sleep(1, loop=loop)
|
||||
await nc.close()
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_tls_url_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/connect_tls_url.rb#L3-19"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby">EM.run do
|
||||
|
||||
# In order to use TLS with the Ruby NATS client, use the :tls option
|
||||
# when customizing the connection with an empty block.
|
||||
options = {
|
||||
:servers => [
|
||||
'nats://demo.nats.io:4443',
|
||||
],
|
||||
:tls => {}
|
||||
}
|
||||
|
||||
NATS.connect(options) do |nc|
|
||||
puts :connected
|
||||
end
|
||||
end
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_tls_url_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/tls_samples.ts#L26-33"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">// will throw an exception if connection fails
|
||||
let nc = await connect({
|
||||
url: "tls://demo.nats.io:4443"
|
||||
});
|
||||
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
89
developer/examples/connect_token.html
Normal file
89
developer/examples/connect_token.html
Normal file
@@ -0,0 +1,89 @@
|
||||
|
||||
<div class="tab-wrap">
|
||||
|
||||
|
||||
<input type="radio" id="connect_token_go" name="connect_token" class="tab" checked>
|
||||
|
||||
<label for="connect_token_go" class="api-lang" data-language="go">Go</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_token_java" name="connect_token" class="tab">
|
||||
|
||||
<label for="connect_token_java" class="api-lang" data-language="java">Java</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_token_js" name="connect_token" class="tab">
|
||||
|
||||
<label for="connect_token_js" class="api-lang" data-language="js">JavaScript</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_token_py" name="connect_token" class="tab">
|
||||
|
||||
<label for="connect_token_py" class="api-lang" data-language="py">Python</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_token_ruby" name="connect_token" class="tab">
|
||||
|
||||
<label for="connect_token_ruby" class="api-lang" data-language="ruby">Ruby</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_token_ts" name="connect_token" class="tab">
|
||||
|
||||
<label for="connect_token_ts" class="api-lang" data-language="ts">TypeScript</label>
|
||||
|
||||
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_token_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/connect_token/main.go#L10-20"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">// Set a token
|
||||
nc, err := nats.Connect("localhost", nats.Token("mytoken"))
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
defer nc.Close()
|
||||
|
||||
// Do something with the connection
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_token_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/ConnectToken.java#L11-21"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java">Options options = new Options.Builder().
|
||||
server("nats://localhost:4222").
|
||||
token("mytoken"). // Set a token
|
||||
build();
|
||||
Connection nc = Nats.connect(options);
|
||||
|
||||
// Do something with the connection
|
||||
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_token_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/auth_examples.js#L81-83"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">let nc = NATS.connect({url: `nats://127.0.0.1:${port}`, token: "mytoken!"});
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_token_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/connect_token.py#L6-13"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python">nc = NATS()
|
||||
|
||||
await nc.connect(servers=["nats://mytoken@demo.nats.io:4222"])
|
||||
|
||||
# Do something with the connection.
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_token_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/connect_token.rb#L3-7"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby">NATS.start(token: "deadbeef") do |nc|
|
||||
puts "Connected using token"
|
||||
end
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_token_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/auth_examples.ts#L58-60"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">let nc = await connect({url: server.nats, token: "mytoken"});
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
87
developer/examples/connect_token_url.html
Normal file
87
developer/examples/connect_token_url.html
Normal file
@@ -0,0 +1,87 @@
|
||||
|
||||
<div class="tab-wrap">
|
||||
|
||||
|
||||
<input type="radio" id="connect_token_url_go" name="connect_token_url" class="tab" checked>
|
||||
|
||||
<label for="connect_token_url_go" class="api-lang" data-language="go">Go</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_token_url_java" name="connect_token_url" class="tab">
|
||||
|
||||
<label for="connect_token_url_java" class="api-lang" data-language="java">Java</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_token_url_js" name="connect_token_url" class="tab">
|
||||
|
||||
<label for="connect_token_url_js" class="api-lang" data-language="js">JavaScript</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_token_url_py" name="connect_token_url" class="tab">
|
||||
|
||||
<label for="connect_token_url_py" class="api-lang" data-language="py">Python</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_token_url_ruby" name="connect_token_url" class="tab">
|
||||
|
||||
<label for="connect_token_url_ruby" class="api-lang" data-language="ruby">Ruby</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_token_url_ts" name="connect_token_url" class="tab">
|
||||
|
||||
<label for="connect_token_url_ts" class="api-lang" data-language="ts">TypeScript</label>
|
||||
|
||||
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_token_url_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/connect_token_url/main.go#L10-20"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">// Token in URL
|
||||
nc, err := nats.Connect("mytoken@localhost")
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
defer nc.Close()
|
||||
|
||||
// Do something with the connection
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_token_url_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/ConnectTokenURL.java#L10-16"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java">Connection nc = Nats.connect("nats://mytoken@localhost:4222");//Token in URL
|
||||
|
||||
// Do something with the connection
|
||||
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_token_url_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/auth_examples.js#L63-66"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">let url = `nats://mytoken!@127.0.0.1:${port}`;
|
||||
let nc = NATS.connect({url: url});
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_token_url_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/connect_token_url.py#L6-13"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python">nc = NATS()
|
||||
|
||||
await nc.connect(servers=["nats://mytoken@demo.nats.io:4222"])
|
||||
|
||||
# Do something with the connection.
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_token_url_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/connect_token_url.rb#L3-7"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby">NATS.start("deadbeef@127.0.0.1:4222") do |nc|
|
||||
puts "Connected using token!"
|
||||
end
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_token_url_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/auth_examples.ts#L47-50"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">let url = `nats://:mytoken!@127.0.0.1:${port}`;
|
||||
let nc = await connect({url: url});
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
108
developer/examples/connect_url.html
Normal file
108
developer/examples/connect_url.html
Normal file
@@ -0,0 +1,108 @@
|
||||
|
||||
<div class="tab-wrap">
|
||||
|
||||
|
||||
<input type="radio" id="connect_url_go" name="connect_url" class="tab" checked>
|
||||
|
||||
<label for="connect_url_go" class="api-lang" data-language="go">Go</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_url_java" name="connect_url" class="tab">
|
||||
|
||||
<label for="connect_url_java" class="api-lang" data-language="java">Java</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_url_js" name="connect_url" class="tab">
|
||||
|
||||
<label for="connect_url_js" class="api-lang" data-language="js">JavaScript</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_url_py" name="connect_url" class="tab">
|
||||
|
||||
<label for="connect_url_py" class="api-lang" data-language="py">Python</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_url_ruby" name="connect_url" class="tab">
|
||||
|
||||
<label for="connect_url_ruby" class="api-lang" data-language="ruby">Ruby</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_url_ts" name="connect_url" class="tab">
|
||||
|
||||
<label for="connect_url_ts" class="api-lang" data-language="ts">TypeScript</label>
|
||||
|
||||
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_url_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/connect_url/main.go#L10-23"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">// If connecting to the default port, the URL can be simplified
|
||||
// to just the hostname/IP.
|
||||
// That is, the connect below is equivalent to:
|
||||
// nats.Connect("nats://demo.nats.io:4222")
|
||||
nc, err := nats.Connect("demo.nats.io")
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
defer nc.Close()
|
||||
|
||||
// Do something with the connection
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_url_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/ConnectToServerURL.java#L10-16"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java">Connection nc = Nats.connect("nats://demo.nats.io:4222");
|
||||
|
||||
// Do something with the connection
|
||||
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_url_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/connection_samples.js#L45-56"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">let nc = NATS.connect("nats://demo.nats.io:4222");
|
||||
nc.on('connect', (c) => {
|
||||
// Do something with the connection
|
||||
doSomething();
|
||||
// When done close it
|
||||
nc.close();
|
||||
});
|
||||
nc.on('error', (err) => {
|
||||
failed(err);
|
||||
});
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_url_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/connect_url.py#L5-13"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python">nc = NATS()
|
||||
await nc.connect(servers=["nats://demo.nats.io:4222"])
|
||||
|
||||
# Do something with the connection
|
||||
|
||||
await nc.close()
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_url_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/connect_url.rb#L1-10"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby">require 'nats/client'
|
||||
|
||||
NATS.start(servers: ["nats://demo.nats.io:4222"]) do |nc|
|
||||
# Do something with the connection
|
||||
|
||||
# Close the connection
|
||||
nc.close
|
||||
end
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_url_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/connection_samples.ts#L40-47"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">// will throw an exception if connection fails
|
||||
let nc = await connect("nats://demo.nats.io:4222");
|
||||
// Do something with the connection
|
||||
|
||||
// Close the connection
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
103
developer/examples/connect_userpass.html
Normal file
103
developer/examples/connect_userpass.html
Normal file
@@ -0,0 +1,103 @@
|
||||
|
||||
<div class="tab-wrap">
|
||||
|
||||
|
||||
<input type="radio" id="connect_userpass_go" name="connect_userpass" class="tab" checked>
|
||||
|
||||
<label for="connect_userpass_go" class="api-lang" data-language="go">Go</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_userpass_java" name="connect_userpass" class="tab">
|
||||
|
||||
<label for="connect_userpass_java" class="api-lang" data-language="java">Java</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_userpass_js" name="connect_userpass" class="tab">
|
||||
|
||||
<label for="connect_userpass_js" class="api-lang" data-language="js">JavaScript</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_userpass_py" name="connect_userpass" class="tab">
|
||||
|
||||
<label for="connect_userpass_py" class="api-lang" data-language="py">Python</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_userpass_ruby" name="connect_userpass" class="tab">
|
||||
|
||||
<label for="connect_userpass_ruby" class="api-lang" data-language="ruby">Ruby</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_userpass_ts" name="connect_userpass" class="tab">
|
||||
|
||||
<label for="connect_userpass_ts" class="api-lang" data-language="ts">TypeScript</label>
|
||||
|
||||
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_userpass_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/connect_userpass/main.go#L10-20"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">// Set a user and plain text password
|
||||
nc, err := nats.Connect("localhost", nats.UserInfo("myname", "password"))
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
defer nc.Close()
|
||||
|
||||
// Do something with the connection
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_userpass_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/ConnectUserPassword.java#L11-21"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java">Options options = new Options.Builder().
|
||||
server("nats://localhost:4222").
|
||||
userInfo("myname","password"). // Set a user and plain text password
|
||||
build();
|
||||
Connection nc = Nats.connect(options);
|
||||
|
||||
// Do something with the connection
|
||||
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_userpass_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/auth_examples.js#L19-21"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">let nc = NATS.connect({url: server.nats, user: "myname", pass: "password"});
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_userpass_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/connect_userpass.py#L6-13"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python">nc = NATS()
|
||||
|
||||
await nc.connect(servers=["nats://myname:password@demo.nats.io:4222"])
|
||||
|
||||
# Do something with the connection.
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_userpass_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/connect_userpass.rb#L1-19"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby">require 'nats/client'
|
||||
|
||||
NATS.start(servers:["nats://myname:password@127.0.0.1:4222"], name: "my-connection") do |nc|
|
||||
nc.on_error do |e|
|
||||
puts "Error: #{e}"
|
||||
end
|
||||
|
||||
nc.on_reconnect do
|
||||
puts "Got reconnected to #{nc.connected_server}"
|
||||
end
|
||||
|
||||
nc.on_disconnect do |reason|
|
||||
puts "Got disconnected! #{reason}"
|
||||
end
|
||||
|
||||
nc.close
|
||||
end
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_userpass_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/auth_examples.ts#L21-23"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">let nc = await connect({url: server.nats, user: "myname", pass: "password"});
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
101
developer/examples/connect_userpass_url.html
Normal file
101
developer/examples/connect_userpass_url.html
Normal file
@@ -0,0 +1,101 @@
|
||||
|
||||
<div class="tab-wrap">
|
||||
|
||||
|
||||
<input type="radio" id="connect_userpass_url_go" name="connect_userpass_url" class="tab" checked>
|
||||
|
||||
<label for="connect_userpass_url_go" class="api-lang" data-language="go">Go</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_userpass_url_java" name="connect_userpass_url" class="tab">
|
||||
|
||||
<label for="connect_userpass_url_java" class="api-lang" data-language="java">Java</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_userpass_url_js" name="connect_userpass_url" class="tab">
|
||||
|
||||
<label for="connect_userpass_url_js" class="api-lang" data-language="js">JavaScript</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_userpass_url_py" name="connect_userpass_url" class="tab">
|
||||
|
||||
<label for="connect_userpass_url_py" class="api-lang" data-language="py">Python</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_userpass_url_ruby" name="connect_userpass_url" class="tab">
|
||||
|
||||
<label for="connect_userpass_url_ruby" class="api-lang" data-language="ruby">Ruby</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_userpass_url_ts" name="connect_userpass_url" class="tab">
|
||||
|
||||
<label for="connect_userpass_url_ts" class="api-lang" data-language="ts">TypeScript</label>
|
||||
|
||||
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_userpass_url_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/connect_userpass_url/main.go#L10-20"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">// Set a user and plain text password
|
||||
nc, err := nats.Connect("myname:password@localhost")
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
defer nc.Close()
|
||||
|
||||
// Do something with the connection
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_userpass_url_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/ConnectUserPasswordURL.java#L10-16"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java">Connection nc = Nats.connect("nats://myname:password@localhost:4222");
|
||||
|
||||
// Do something with the connection
|
||||
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_userpass_url_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/auth_examples.js#L40-43"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">let url = `nats://myname:password@127.0.0.1:${port}`;
|
||||
let nc = NATS.connect(url);
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_userpass_url_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/connect_userpass_url.py#L6-13"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python">nc = NATS()
|
||||
|
||||
await nc.connect(servers=["nats://myname:password@demo.nats.io:4222"])
|
||||
|
||||
# Do something with the connection.
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_userpass_url_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/connect_userpass_url.rb#L1-19"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby">require 'nats/client'
|
||||
|
||||
NATS.start(servers:["nats://myname:password@127.0.0.1:4222"], name: "my-connection") do |nc|
|
||||
nc.on_error do |e|
|
||||
puts "Error: #{e}"
|
||||
end
|
||||
|
||||
nc.on_reconnect do
|
||||
puts "Got reconnected to #{nc.connected_server}"
|
||||
end
|
||||
|
||||
nc.on_disconnect do |reason|
|
||||
puts "Got disconnected! #{reason}"
|
||||
end
|
||||
|
||||
nc.close
|
||||
end
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_userpass_url_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/auth_examples.ts#L34-37"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">let url = `nats://myname:password@127.0.0.1:${port}`;
|
||||
let nc = await connect({url: url});
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
112
developer/examples/connect_verbose.html
Normal file
112
developer/examples/connect_verbose.html
Normal file
@@ -0,0 +1,112 @@
|
||||
|
||||
<div class="tab-wrap">
|
||||
|
||||
|
||||
<input type="radio" id="connect_verbose_go" name="connect_verbose" class="tab" checked>
|
||||
|
||||
<label for="connect_verbose_go" class="api-lang" data-language="go">Go</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_verbose_java" name="connect_verbose" class="tab">
|
||||
|
||||
<label for="connect_verbose_java" class="api-lang" data-language="java">Java</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_verbose_js" name="connect_verbose" class="tab">
|
||||
|
||||
<label for="connect_verbose_js" class="api-lang" data-language="js">JavaScript</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_verbose_py" name="connect_verbose" class="tab">
|
||||
|
||||
<label for="connect_verbose_py" class="api-lang" data-language="py">Python</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_verbose_ruby" name="connect_verbose" class="tab">
|
||||
|
||||
<label for="connect_verbose_ruby" class="api-lang" data-language="ruby">Ruby</label>
|
||||
|
||||
|
||||
<input type="radio" id="connect_verbose_ts" name="connect_verbose" class="tab">
|
||||
|
||||
<label for="connect_verbose_ts" class="api-lang" data-language="ts">TypeScript</label>
|
||||
|
||||
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_verbose_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/connect_verbose/main.go#L10-23"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">opts := nats.GetDefaultOptions()
|
||||
opts.Url = "demo.nats.io"
|
||||
// Turn on Verbose
|
||||
opts.Verbose = true
|
||||
nc, err := opts.Connect()
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
defer nc.Close()
|
||||
|
||||
// Do something with the connection
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_verbose_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/ConnectVerbose.java#L11-21"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java">Options options = new Options.Builder().
|
||||
server("nats://demo.nats.io:4222").
|
||||
verbose(). // Turn on verbose
|
||||
build();
|
||||
Connection nc = Nats.connect(options);
|
||||
|
||||
// Do something with the connection
|
||||
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_verbose_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/options_samples.js#L56-62"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">let nc = NATS.connect({
|
||||
url: "nats://demo.nats.io:4222",
|
||||
verbose: true
|
||||
});
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_verbose_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/connect_verbose.py#L6-13"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python">nc = NATS()
|
||||
|
||||
await nc.connect(servers=["nats://demo.nats.io:4222"], verbose=True)
|
||||
|
||||
# Do something with the connection.
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_verbose_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/connect_verbose.rb#L1-15"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby">require 'nats/client'
|
||||
|
||||
NATS.start(verbose: true) do |nc|
|
||||
nc.on_reconnect do
|
||||
puts "Got reconnected to #{nc.connected_server}"
|
||||
end
|
||||
|
||||
nc.on_disconnect do |reason|
|
||||
puts "Got disconnected! #{reason}"
|
||||
end
|
||||
|
||||
nc.close
|
||||
end
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connect_verbose_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/options_samples.ts#L42-50"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">// will throw an exception if connection fails
|
||||
let nc = await connect({
|
||||
url: "nats://demo.nats.io:4222",
|
||||
verbose: true
|
||||
});
|
||||
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
178
developer/examples/connection_listener.html
Normal file
178
developer/examples/connection_listener.html
Normal file
@@ -0,0 +1,178 @@
|
||||
|
||||
<div class="tab-wrap">
|
||||
|
||||
|
||||
<input type="radio" id="connection_listener_go" name="connection_listener" class="tab" checked>
|
||||
|
||||
<label for="connection_listener_go" class="api-lang" data-language="go">Go</label>
|
||||
|
||||
|
||||
<input type="radio" id="connection_listener_java" name="connection_listener" class="tab">
|
||||
|
||||
<label for="connection_listener_java" class="api-lang" data-language="java">Java</label>
|
||||
|
||||
|
||||
<input type="radio" id="connection_listener_js" name="connection_listener" class="tab">
|
||||
|
||||
<label for="connection_listener_js" class="api-lang" data-language="js">JavaScript</label>
|
||||
|
||||
|
||||
<input type="radio" id="connection_listener_py" name="connection_listener" class="tab">
|
||||
|
||||
<label for="connection_listener_py" class="api-lang" data-language="py">Python</label>
|
||||
|
||||
|
||||
<input type="radio" id="connection_listener_ruby" name="connection_listener" class="tab">
|
||||
|
||||
<label for="connection_listener_ruby" class="api-lang" data-language="ruby">Ruby</label>
|
||||
|
||||
|
||||
<input type="radio" id="connection_listener_ts" name="connection_listener" class="tab">
|
||||
|
||||
<label for="connection_listener_ts" class="api-lang" data-language="ts">TypeScript</label>
|
||||
|
||||
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connection_listener_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/notapplicable.txt#L5-14"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">// There is not a single listener for connection events in the NATS Go Client.
|
||||
// Instead, you can set individual event handlers using:
|
||||
|
||||
DisconnectHandler(cb ConnHandler)
|
||||
ReconnectHandler(cb ConnHandler)
|
||||
ClosedHandler(cb ConnHandler)
|
||||
DiscoveredServersHandler(cb ConnHandler)
|
||||
ErrorHandler(cb ErrHandler)
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connection_listener_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/SetConnectionListener.java#L8-33"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java">class MyConnectionListener implements ConnectionListener {
|
||||
public void connectionEvent(Connection natsConnection, Events event) {
|
||||
System.out.println("Connection event - "+event);
|
||||
}
|
||||
}
|
||||
|
||||
public class SetConnectionListener {
|
||||
public static void main(String[] args) {
|
||||
|
||||
try {
|
||||
Options options = new Options.Builder().
|
||||
server("nats://demo.nats.io:4222").
|
||||
connectionListener(new MyConnectionListener()). // Set the listener
|
||||
build();
|
||||
Connection nc = Nats.connect(options);
|
||||
|
||||
// Do something with the connection
|
||||
|
||||
nc.close();
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
}
|
||||
}
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connection_listener_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/event_samples.js#L11-41"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">let nc = NATS.connect("nats://demo.nats.io:4222");
|
||||
|
||||
nc.on('error', (err) => {
|
||||
t.log('error', err);
|
||||
});
|
||||
|
||||
nc.on('connect', () => {
|
||||
t.log('client connected');
|
||||
});
|
||||
|
||||
nc.on('disconnect', () => {
|
||||
t.log('client disconnected');
|
||||
});
|
||||
|
||||
nc.on('reconnecting', () => {
|
||||
t.log('client reconnecting');
|
||||
});
|
||||
|
||||
nc.on('reconnect', () => {
|
||||
t.log('client reconnected');
|
||||
});
|
||||
|
||||
nc.on('close', () => {
|
||||
t.log('client closed');
|
||||
});
|
||||
|
||||
nc.on('permission_error', (err) => {
|
||||
t.log('permission_error', err);
|
||||
});
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connection_listener_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/notapplicable.txt#L17-42"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python"># Asyncio NATS client can be defined a number of event callbacks
|
||||
async def disconnected_cb():
|
||||
print("Got disconnected!")
|
||||
|
||||
async def reconnected_cb():
|
||||
# See who we are connected to on reconnect.
|
||||
print("Got reconnected to {url}".format(url=nc.connected_url.netloc))
|
||||
|
||||
async def error_cb(e):
|
||||
print("There was an error: {}".format(e))
|
||||
|
||||
async def closed_cb():
|
||||
print("Connection is closed")
|
||||
|
||||
# Setup callbacks to be notified on disconnects and reconnects
|
||||
options["disconnected_cb"] = disconnected_cb
|
||||
options["reconnected_cb"] = reconnected_cb
|
||||
|
||||
# Setup callbacks to be notified when there is an error
|
||||
# or connection is closed.
|
||||
options["error_cb"] = error_cb
|
||||
options["closed_cb"] = closed_cb
|
||||
|
||||
await nc.connect(**options)
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connection_listener_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/notapplicable.txt#L29-44"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby"># There is not a single listener for connection events in the Ruby NATS Client.
|
||||
# Instead, you can set individual event handlers using:
|
||||
|
||||
NATS.on_disconnect do
|
||||
end
|
||||
|
||||
NATS.on_reconnect do
|
||||
end
|
||||
|
||||
NATS.on_close do
|
||||
end
|
||||
|
||||
NATS.on_error do
|
||||
end
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="connection_listener_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/event_samples.ts#L7-27"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">// connect will happen once - the first connect
|
||||
nc.on('connect', (nc) => {
|
||||
// nc is the connection that connected
|
||||
t.log('client connected');
|
||||
});
|
||||
|
||||
nc.on('disconnect', (url) => {
|
||||
// nc is the connection that reconnected
|
||||
t.log('disconnected from', url);
|
||||
});
|
||||
|
||||
nc.on('reconnecting', (url) => {
|
||||
t.log('reconnecting to', url);
|
||||
});
|
||||
|
||||
nc.on('reconnect', (nc, url) => {
|
||||
// nc is the connection that reconnected
|
||||
t.log('reconnected to', url);
|
||||
});
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
79
developer/examples/control_2k.html
Normal file
79
developer/examples/control_2k.html
Normal file
@@ -0,0 +1,79 @@
|
||||
|
||||
<div class="tab-wrap">
|
||||
|
||||
|
||||
<input type="radio" id="control_2k_go" name="control_2k" class="tab" checked>
|
||||
|
||||
<label for="control_2k_go" class="api-lang" data-language="go">Go</label>
|
||||
|
||||
|
||||
<input type="radio" id="control_2k_java" name="control_2k" class="tab">
|
||||
|
||||
<label for="control_2k_java" class="api-lang" data-language="java">Java</label>
|
||||
|
||||
|
||||
<input type="radio" id="control_2k_js" name="control_2k" class="tab">
|
||||
|
||||
<label for="control_2k_js" class="api-lang" data-language="js">JavaScript</label>
|
||||
|
||||
|
||||
<input type="radio" id="control_2k_py" name="control_2k" class="tab">
|
||||
|
||||
<label for="control_2k_py" class="api-lang" data-language="py">Python</label>
|
||||
|
||||
|
||||
<input type="radio" id="control_2k_ruby" name="control_2k" class="tab">
|
||||
|
||||
<label for="control_2k_ruby" class="api-lang" data-language="ruby">Ruby</label>
|
||||
|
||||
|
||||
<input type="radio" id="control_2k_ts" name="control_2k" class="tab">
|
||||
|
||||
<label for="control_2k_ts" class="api-lang" data-language="ts">TypeScript</label>
|
||||
|
||||
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="control_2k_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/notapplicable.txt#L1-3"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">// This does not apply to the NATS Go Client
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="control_2k_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/ConnectControl2k.java#L11-21"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java">Options options = new Options.Builder().
|
||||
server("nats://demo.nats.io:4222").
|
||||
maxControlLine(2 * 1024). // Set the max control line to 2k
|
||||
build();
|
||||
Connection nc = Nats.connect(options);
|
||||
|
||||
// Do something with the connection
|
||||
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="control_2k_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/options_samples.js#L90-97"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">// set this option before creating a connection
|
||||
NATS.MAX_CONTROL_LINE_SIZE = 1024*2;
|
||||
let nc = NATS.connect({
|
||||
url: "nats://demo.nats.io:4222"
|
||||
});
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="control_2k_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/notapplicable.txt#L5-7"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python"># Asyncio NATS client does not allow custom control lines
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="control_2k_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/notapplicable.txt#L5-7"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby"># There is no need to customize this in the Ruby NATS client.
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="control_2k_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/options_samples.ts#L68-70"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">// control line size is not configurable on ts-nats
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
185
developer/examples/drain_conn.html
Normal file
185
developer/examples/drain_conn.html
Normal file
@@ -0,0 +1,185 @@
|
||||
|
||||
<div class="tab-wrap">
|
||||
|
||||
|
||||
<input type="radio" id="drain_conn_go" name="drain_conn" class="tab" checked>
|
||||
|
||||
<label for="drain_conn_go" class="api-lang" data-language="go">Go</label>
|
||||
|
||||
|
||||
<input type="radio" id="drain_conn_java" name="drain_conn" class="tab">
|
||||
|
||||
<label for="drain_conn_java" class="api-lang" data-language="java">Java</label>
|
||||
|
||||
|
||||
<input type="radio" id="drain_conn_py" name="drain_conn" class="tab">
|
||||
|
||||
<label for="drain_conn_py" class="api-lang" data-language="py">Python</label>
|
||||
|
||||
|
||||
<input type="radio" id="drain_conn_ruby" name="drain_conn" class="tab">
|
||||
|
||||
<label for="drain_conn_ruby" class="api-lang" data-language="ruby">Ruby</label>
|
||||
|
||||
|
||||
<input type="radio" id="drain_conn_ts" name="drain_conn" class="tab">
|
||||
|
||||
<label for="drain_conn_ts" class="api-lang" data-language="ts">TypeScript</label>
|
||||
|
||||
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="drain_conn_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/drain_conn/main.go#L12-61"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">wg := sync.WaitGroup{}
|
||||
wg.Add(1)
|
||||
|
||||
errCh := make(chan error, 1)
|
||||
|
||||
// To simulate a timeout, you would set the DrainTimeout()
|
||||
// to a value less than the time spent in the message callback,
|
||||
// so say: nats.DrainTimeout(10*time.Millisecond).
|
||||
|
||||
nc, err := nats.Connect("demo.nats.io",
|
||||
nats.DrainTimeout(10*time.Second),
|
||||
nats.ErrorHandler(func(_ *nats.Conn, _ *nats.Subscription, err error) {
|
||||
errCh <- err
|
||||
}),
|
||||
nats.ClosedHandler(func(_ *nats.Conn) {
|
||||
wg.Done()
|
||||
}))
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
|
||||
// Subscribe, but add some delay while processing.
|
||||
if _, err := nc.Subscribe("foo", func(_ *nats.Msg) {
|
||||
time.Sleep(200 * time.Millisecond)
|
||||
}); err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
|
||||
// Publish a message
|
||||
if err := nc.Publish("foo", []byte("hello")); err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
|
||||
// Drain the connection, which will close it when done.
|
||||
if err := nc.Drain(); err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
|
||||
// Wait for the connection to be closed.
|
||||
wg.Wait()
|
||||
|
||||
// Check if there was an error
|
||||
select {
|
||||
case e := <-errCh:
|
||||
log.Fatal(e)
|
||||
default:
|
||||
}
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="drain_conn_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/DrainConn.java#L16-40"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java">Connection nc = Nats.connect("nats://demo.nats.io:4222");
|
||||
|
||||
// Use a latch to wait for a message to arrive
|
||||
CountDownLatch latch = new CountDownLatch(1);
|
||||
|
||||
// Create a dispatcher and inline message handler
|
||||
Dispatcher d = nc.createDispatcher((msg) -> {
|
||||
String str = new String(msg.getData(), StandardCharsets.UTF_8);
|
||||
System.out.println(str);
|
||||
latch.countDown();
|
||||
});
|
||||
|
||||
// Subscribe
|
||||
d.subscribe("updates");
|
||||
|
||||
// Wait for a message to come in
|
||||
latch.await();
|
||||
|
||||
// Drain the connection, which will close it
|
||||
CompletableFuture<Boolean> drained = nc.drain(Duration.ofSeconds(10));
|
||||
|
||||
// Wait for the drain to complete
|
||||
drained.get();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="drain_conn_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/drain_conn.py#L1-34"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python">import asyncio
|
||||
from nats.aio.client import Client as NATS
|
||||
|
||||
async def example(loop):
|
||||
nc = NATS()
|
||||
|
||||
await nc.connect("nats://127.0.0.1:4222", loop=loop)
|
||||
|
||||
async def handler(msg):
|
||||
print("[Received] ", msg)
|
||||
await nc.publish(msg.reply, b'I can help')
|
||||
|
||||
# Can check whether client is in draining state
|
||||
if nc.is_draining:
|
||||
print("Connection is draining")
|
||||
|
||||
await nc.subscribe("help", "workers", cb=handler)
|
||||
await nc.flush()
|
||||
|
||||
requests = []
|
||||
for i in range(0, 10):
|
||||
request = nc.request("help", b'help!', timeout=1)
|
||||
requests.append(request)
|
||||
|
||||
# Wait for all the responses
|
||||
responses = []
|
||||
responses = await asyncio.gather(*requests)
|
||||
|
||||
# Gracefully close the connection.
|
||||
await nc.drain()
|
||||
|
||||
print("Received {} responses".format(len(responses)))
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="drain_conn_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/drain_conn.rb#L3-26"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby">NATS.start(drain_timeout: 1) do |nc|
|
||||
NATS.subscribe('foo', queue: "workers") do |msg, reply, sub|
|
||||
nc.publish(reply, "ACK:#{msg}")
|
||||
end
|
||||
|
||||
NATS.subscribe('bar', queue: "workers") do |msg, reply, sub|
|
||||
nc.publish(reply, "ACK:#{msg}")
|
||||
end
|
||||
|
||||
NATS.subscribe('quux', queue: "workers") do |msg, reply, sub|
|
||||
nc.publish(reply, "ACK:#{msg}")
|
||||
end
|
||||
|
||||
EM.add_timer(2) do
|
||||
next if NATS.draining?
|
||||
|
||||
# Drain gracefully closes the connection.
|
||||
NATS.drain do
|
||||
puts "Done draining. Connection is closed."
|
||||
end
|
||||
end
|
||||
end
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="drain_conn_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/connection_samples.ts#L73-83"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">let sub = await nc.subscribe('updates', (err, msg) => {
|
||||
t.log('worker got message', msg.data);
|
||||
}, {queue: "workers"});
|
||||
// [end drain_sub]
|
||||
nc.flush();
|
||||
|
||||
await nc.drain();
|
||||
// client must close when the connection drain resolves
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
166
developer/examples/drain_sub.html
Normal file
166
developer/examples/drain_sub.html
Normal file
@@ -0,0 +1,166 @@
|
||||
|
||||
<div class="tab-wrap">
|
||||
|
||||
|
||||
<input type="radio" id="drain_sub_go" name="drain_sub" class="tab" checked>
|
||||
|
||||
<label for="drain_sub_go" class="api-lang" data-language="go">Go</label>
|
||||
|
||||
|
||||
<input type="radio" id="drain_sub_java" name="drain_sub" class="tab">
|
||||
|
||||
<label for="drain_sub_java" class="api-lang" data-language="java">Java</label>
|
||||
|
||||
|
||||
<input type="radio" id="drain_sub_js" name="drain_sub" class="tab">
|
||||
|
||||
<label for="drain_sub_js" class="api-lang" data-language="js">JavaScript</label>
|
||||
|
||||
|
||||
<input type="radio" id="drain_sub_py" name="drain_sub" class="tab">
|
||||
|
||||
<label for="drain_sub_py" class="api-lang" data-language="py">Python</label>
|
||||
|
||||
|
||||
<input type="radio" id="drain_sub_ruby" name="drain_sub" class="tab">
|
||||
|
||||
<label for="drain_sub_ruby" class="api-lang" data-language="ruby">Ruby</label>
|
||||
|
||||
|
||||
<input type="radio" id="drain_sub_ts" name="drain_sub" class="tab">
|
||||
|
||||
<label for="drain_sub_ts" class="api-lang" data-language="ts">TypeScript</label>
|
||||
|
||||
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="drain_sub_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/drain_sub/main.go#L13-67"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">
|
||||
nc, err := nats.Connect("demo.nats.io")
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
defer nc.Close()
|
||||
|
||||
done := sync.WaitGroup{}
|
||||
done.Add(1)
|
||||
|
||||
count := 0
|
||||
errCh := make(chan error, 1)
|
||||
|
||||
msgAfterDrain := "not this one"
|
||||
|
||||
// This callback will process each message slowly
|
||||
sub, err := nc.Subscribe("updates", func(m *nats.Msg) {
|
||||
if string(m.Data) == msgAfterDrain {
|
||||
errCh <- fmt.Errorf("Should not have received this message")
|
||||
return
|
||||
}
|
||||
time.Sleep(100 * time.Millisecond)
|
||||
count++
|
||||
if count == 2 {
|
||||
done.Done()
|
||||
}
|
||||
})
|
||||
|
||||
// Send 2 messages
|
||||
for i := 0; i < 2; i++ {
|
||||
nc.Publish("updates", []byte("hello"))
|
||||
}
|
||||
|
||||
// Call Drain on the subscription. It unsubscribes but
|
||||
// wait for all pending messages to be processed.
|
||||
if err := sub.Drain(); err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
|
||||
// Send one more message, this message should not be received
|
||||
nc.Publish("updates", []byte(msgAfterDrain))
|
||||
|
||||
// Wait for the subscription to have processed the 2 messages.
|
||||
done.Wait()
|
||||
|
||||
// Now check that the 3rd message was not received
|
||||
select {
|
||||
case e := <-errCh:
|
||||
log.Fatal(e)
|
||||
case <-time.After(200 * time.Millisecond):
|
||||
// OK!
|
||||
}
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="drain_sub_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/DrainSub.java#L16-43"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java">Connection nc = Nats.connect("nats://demo.nats.io:4222");
|
||||
|
||||
// Use a latch to wait for a message to arrive
|
||||
CountDownLatch latch = new CountDownLatch(1);
|
||||
|
||||
// Create a dispatcher and inline message handler
|
||||
Dispatcher d = nc.createDispatcher((msg) -> {
|
||||
String str = new String(msg.getData(), StandardCharsets.UTF_8);
|
||||
System.out.println(str);
|
||||
latch.countDown();
|
||||
});
|
||||
|
||||
// Subscribe
|
||||
d.subscribe("updates");
|
||||
|
||||
// Wait for a message to come in
|
||||
latch.await();
|
||||
|
||||
// Messages that have arrived will be processed
|
||||
CompletableFuture<Boolean> drained = d.drain(Duration.ofSeconds(10));
|
||||
|
||||
// Wait for the drain to complete
|
||||
drained.get();
|
||||
|
||||
// Close the connection
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="drain_sub_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/subscriber_samples.js#L232-234"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">// Drain subscription is not supported.
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="drain_sub_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/drain_sub.py#L1-24"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python">import asyncio
|
||||
from nats.aio.client import Client as NATS
|
||||
|
||||
async def example(loop):
|
||||
nc = NATS()
|
||||
|
||||
await nc.connect("nats://127.0.0.1:4222", loop=loop)
|
||||
|
||||
async def handler(msg):
|
||||
print("[Received] ", msg)
|
||||
await nc.publish(msg.reply, b'I can help')
|
||||
|
||||
# Can check whether client is in draining state
|
||||
if nc.is_draining:
|
||||
print("Connection is draining")
|
||||
|
||||
sid = await nc.subscribe("help", "workers", cb=handler)
|
||||
await nc.flush()
|
||||
|
||||
# Gracefully unsubscribe the subscription
|
||||
await nc.drain(sid)
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="drain_sub_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/notapplicable.txt#L9-11"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby"># There is currently no API to drain a single subscription, the whole connection can be drained though via NATS.drain
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="drain_sub_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/subscriber_samples.ts#L208-212"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">let sub = await nc.subscribe('updates', (err, msg) => {
|
||||
t.log('worker got message', msg.data);
|
||||
}, {queue: "workers"});
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
139
developer/examples/error_listener.html
Normal file
139
developer/examples/error_listener.html
Normal file
@@ -0,0 +1,139 @@
|
||||
|
||||
<div class="tab-wrap">
|
||||
|
||||
|
||||
<input type="radio" id="error_listener_go" name="error_listener" class="tab" checked>
|
||||
|
||||
<label for="error_listener_go" class="api-lang" data-language="go">Go</label>
|
||||
|
||||
|
||||
<input type="radio" id="error_listener_java" name="error_listener" class="tab">
|
||||
|
||||
<label for="error_listener_java" class="api-lang" data-language="java">Java</label>
|
||||
|
||||
|
||||
<input type="radio" id="error_listener_js" name="error_listener" class="tab">
|
||||
|
||||
<label for="error_listener_js" class="api-lang" data-language="js">JavaScript</label>
|
||||
|
||||
|
||||
<input type="radio" id="error_listener_py" name="error_listener" class="tab">
|
||||
|
||||
<label for="error_listener_py" class="api-lang" data-language="py">Python</label>
|
||||
|
||||
|
||||
<input type="radio" id="error_listener_ruby" name="error_listener" class="tab">
|
||||
|
||||
<label for="error_listener_ruby" class="api-lang" data-language="ruby">Ruby</label>
|
||||
|
||||
|
||||
<input type="radio" id="error_listener_ts" name="error_listener" class="tab">
|
||||
|
||||
<label for="error_listener_ts" class="api-lang" data-language="ts">TypeScript</label>
|
||||
|
||||
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="error_listener_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/error_listener/main.go#L10-23"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">// Set the callback that will be invoked when an asynchronous error occurs.
|
||||
nc, err := nats.Connect("demo.nats.io",
|
||||
nats.ErrorHandler(func(nc *nats.Conn, sub *nats.Subscription, err error) {
|
||||
log.Printf("Error: %v", err)
|
||||
}))
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
defer nc.Close()
|
||||
|
||||
// Do something with the connection
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="error_listener_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/SetErrorListener.java#L9-43"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java">class MyErrorListener implements ErrorListener {
|
||||
public void errorOccurred(Connection conn, String error)
|
||||
{
|
||||
System.out.println("The server notificed the client with: "+error);
|
||||
}
|
||||
|
||||
public void exceptionOccurred(Connection conn, Exception exp) {
|
||||
System.out.println("The connection handled an exception: "+exp.getLocalizedMessage());
|
||||
}
|
||||
|
||||
public void slowConsumerDetected(Connection conn, Consumer consumer) {
|
||||
System.out.println("A slow consumer was detected.");
|
||||
}
|
||||
}
|
||||
|
||||
public class SetErrorListener {
|
||||
public static void main(String[] args) {
|
||||
|
||||
try {
|
||||
Options options = new Options.Builder().
|
||||
server("nats://demo.nats.io:4222").
|
||||
errorListener(new MyErrorListener()). // Set the listener
|
||||
build();
|
||||
Connection nc = Nats.connect(options);
|
||||
|
||||
// Do something with the connection
|
||||
|
||||
nc.close();
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
}
|
||||
}
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="error_listener_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/event_samples.js#L76-84"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">let nc = NATS.connect("nats://demo.nats.io:4222");
|
||||
|
||||
// on node you *must* register an error listener. If not registered
|
||||
// the library emits an 'error' event, the node process will exit.
|
||||
nc.on('error', (err) => {
|
||||
t.log('client got an error:', err);
|
||||
});
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="error_listener_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/error_listener.py#L6-20"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python">nc = NATS()
|
||||
|
||||
async def error_cb(e):
|
||||
print("Error: ", e)
|
||||
|
||||
await nc.connect(
|
||||
servers=["nats://demo.nats.io:4222"],
|
||||
reconnect_time_wait=10,
|
||||
error_cb=error_cb,
|
||||
)
|
||||
|
||||
# Do something with the connection.
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="error_listener_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/error_listener.rb#L1-11"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby">require 'nats/client'
|
||||
|
||||
NATS.start(servers:["nats://demo.nats.io:4222"]) do |nc|
|
||||
nc.on_error do |e|
|
||||
puts "Error: #{e}"
|
||||
end
|
||||
|
||||
nc.close
|
||||
end
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="error_listener_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/event_samples.ts#L48-54"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">// on node you *must* register an error listener. If not registered
|
||||
// the library emits an 'error' event, the node process will exit.
|
||||
nc.on('error', (err) => {
|
||||
t.log('client got an out of band error:', err);
|
||||
});
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
132
developer/examples/flush.html
Normal file
132
developer/examples/flush.html
Normal file
@@ -0,0 +1,132 @@
|
||||
|
||||
<div class="tab-wrap">
|
||||
|
||||
|
||||
<input type="radio" id="flush_go" name="flush" class="tab" checked>
|
||||
|
||||
<label for="flush_go" class="api-lang" data-language="go">Go</label>
|
||||
|
||||
|
||||
<input type="radio" id="flush_java" name="flush" class="tab">
|
||||
|
||||
<label for="flush_java" class="api-lang" data-language="java">Java</label>
|
||||
|
||||
|
||||
<input type="radio" id="flush_js" name="flush" class="tab">
|
||||
|
||||
<label for="flush_js" class="api-lang" data-language="js">JavaScript</label>
|
||||
|
||||
|
||||
<input type="radio" id="flush_py" name="flush" class="tab">
|
||||
|
||||
<label for="flush_py" class="api-lang" data-language="py">Python</label>
|
||||
|
||||
|
||||
<input type="radio" id="flush_ruby" name="flush" class="tab">
|
||||
|
||||
<label for="flush_ruby" class="api-lang" data-language="ruby">Ruby</label>
|
||||
|
||||
|
||||
<input type="radio" id="flush_ts" name="flush" class="tab">
|
||||
|
||||
<label for="flush_ts" class="api-lang" data-language="ts">TypeScript</label>
|
||||
|
||||
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="flush_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/flush/main.go#L11-26"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">nc, err := nats.Connect("demo.nats.io")
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
defer nc.Close()
|
||||
|
||||
if err := nc.Publish("updates", []byte("All is Well")); err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
// Sends a PING and wait for a PONG from the server, up to the given timeout.
|
||||
// This gives guarantee that the server has processed above message.
|
||||
if err := nc.FlushTimeout(time.Second); err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="flush_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/Flush.java#L13-20"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java">Connection nc = Nats.connect("nats://demo.nats.io:4222");
|
||||
|
||||
nc.publish("updates", "All is Well".getBytes(StandardCharsets.UTF_8));
|
||||
nc.flush(Duration.ofSeconds(1)); // Flush the message queue
|
||||
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="flush_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/publisher_samples.js#L93-103"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">let nc = NATS.connect({url: "nats://demo.nats.io:4222"});
|
||||
let start = Date.now();
|
||||
nc.flush(() => {
|
||||
t.log('round trip completed in', Date.now() - start, 'ms');
|
||||
});
|
||||
|
||||
nc.publish('foo');
|
||||
// function in flush is optional
|
||||
nc.flush();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="flush_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/flush.py#L6-17"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python">nc = NATS()
|
||||
|
||||
await nc.connect(servers=["nats://demo.nats.io:4222"])
|
||||
|
||||
await nc.publish("updates", b'All is Well')
|
||||
|
||||
# Sends a PING and wait for a PONG from the server, up to the given timeout.
|
||||
# This gives guarantee that the server has processed above message.
|
||||
await nc.flush(timeout=1)
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="flush_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/flush.rb#L1-18"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby">require 'nats/client'
|
||||
require 'fiber'
|
||||
|
||||
NATS.start(servers:["nats://127.0.0.1:4222"]) do |nc|
|
||||
nc.subscribe("updates") do |msg|
|
||||
puts msg
|
||||
end
|
||||
|
||||
nc.publish("updates", "All is Well")
|
||||
|
||||
nc.flush do
|
||||
# Sends a PING and wait for a PONG from the server, up to the given timeout.
|
||||
# This gives guarantee that the server has processed above message at this point.
|
||||
end
|
||||
end
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="flush_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/publisher_samples.ts#L90-108"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">let nc = await connect({
|
||||
url: "nats://demo.nats.io:4222"
|
||||
});
|
||||
|
||||
// you can use flush to trigger a function in your
|
||||
// application once the round-trip to the server finishes
|
||||
let start = Date.now();
|
||||
nc.flush(() => {
|
||||
t.log('round trip completed in', Date.now() - start, 'ms');
|
||||
});
|
||||
|
||||
nc.publish('foo');
|
||||
|
||||
// another way, simply wait for the promise to resolve
|
||||
await nc.flush();
|
||||
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
115
developer/examples/max_payload.html
Normal file
115
developer/examples/max_payload.html
Normal file
@@ -0,0 +1,115 @@
|
||||
|
||||
<div class="tab-wrap">
|
||||
|
||||
|
||||
<input type="radio" id="max_payload_go" name="max_payload" class="tab" checked>
|
||||
|
||||
<label for="max_payload_go" class="api-lang" data-language="go">Go</label>
|
||||
|
||||
|
||||
<input type="radio" id="max_payload_java" name="max_payload" class="tab">
|
||||
|
||||
<label for="max_payload_java" class="api-lang" data-language="java">Java</label>
|
||||
|
||||
|
||||
<input type="radio" id="max_payload_js" name="max_payload" class="tab">
|
||||
|
||||
<label for="max_payload_js" class="api-lang" data-language="js">JavaScript</label>
|
||||
|
||||
|
||||
<input type="radio" id="max_payload_py" name="max_payload" class="tab">
|
||||
|
||||
<label for="max_payload_py" class="api-lang" data-language="py">Python</label>
|
||||
|
||||
|
||||
<input type="radio" id="max_payload_ruby" name="max_payload" class="tab">
|
||||
|
||||
<label for="max_payload_ruby" class="api-lang" data-language="ruby">Ruby</label>
|
||||
|
||||
|
||||
<input type="radio" id="max_payload_ts" name="max_payload" class="tab">
|
||||
|
||||
<label for="max_payload_ts" class="api-lang" data-language="ts">TypeScript</label>
|
||||
|
||||
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="max_payload_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/max_payload/main.go#L10-22"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">nc, err := nats.Connect("demo.nats.io")
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
defer nc.Close()
|
||||
|
||||
mp := nc.MaxPayload()
|
||||
log.Printf("Maximum payload is %v bytes", mp)
|
||||
|
||||
// Do something with the max payload
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="max_payload_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/GetMaxPayload.java#L10-17"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java">Connection nc = Nats.connect("nats://demo.nats.io:4222");
|
||||
|
||||
long max = nc.getMaxPayload();
|
||||
// Do something with the max payload
|
||||
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="max_payload_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/event_samples.js#L128-139"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">let nc = NATS.connect("nats://demo.nats.io:4222");
|
||||
|
||||
// on node you *must* register an error listener. If not registered
|
||||
// the library emits an 'error' event, the node process will exit.
|
||||
nc.on('error', (err) => {
|
||||
t.log('client got an error:', err);
|
||||
});
|
||||
nc.on('connect', () => {
|
||||
t.log(nc.info.max_payload);
|
||||
});
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="max_payload_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/max_payload.py#L6-15"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python">nc = NATS()
|
||||
|
||||
await nc.connect(servers=["nats://demo.nats.io:4222"])
|
||||
|
||||
print("Maximum payload is %d bytes" % nc.max_payload)
|
||||
|
||||
# Do something with the max payload.
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="max_payload_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/max_payload.rb#L1-16"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby">require 'nats/client'
|
||||
|
||||
NATS.start(max_outstanding_pings: 5) do |nc|
|
||||
nc.on_reconnect do
|
||||
puts "Got reconnected to #{nc.connected_server}"
|
||||
end
|
||||
|
||||
nc.on_disconnect do |reason|
|
||||
puts "Got disconnected! #{reason}"
|
||||
end
|
||||
|
||||
# Do something with the max_payload
|
||||
puts "Maximum Payload is #{nc.server_info[:max_payload]} bytes"
|
||||
end
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="max_payload_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/event_samples.ts#L76-83"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">// connect will happen once - the first connect
|
||||
nc.on('connect', (nc: Client, url: string, options: ServerInfo) => {
|
||||
// nc is the connection that connected
|
||||
t.log('client connected to', url);
|
||||
t.log('max_payload', options.max_payload);
|
||||
});
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
105
developer/examples/no_echo.html
Normal file
105
developer/examples/no_echo.html
Normal file
@@ -0,0 +1,105 @@
|
||||
|
||||
<div class="tab-wrap">
|
||||
|
||||
|
||||
<input type="radio" id="no_echo_go" name="no_echo" class="tab" checked>
|
||||
|
||||
<label for="no_echo_go" class="api-lang" data-language="go">Go</label>
|
||||
|
||||
|
||||
<input type="radio" id="no_echo_java" name="no_echo" class="tab">
|
||||
|
||||
<label for="no_echo_java" class="api-lang" data-language="java">Java</label>
|
||||
|
||||
|
||||
<input type="radio" id="no_echo_js" name="no_echo" class="tab">
|
||||
|
||||
<label for="no_echo_js" class="api-lang" data-language="js">JavaScript</label>
|
||||
|
||||
|
||||
<input type="radio" id="no_echo_py" name="no_echo" class="tab">
|
||||
|
||||
<label for="no_echo_py" class="api-lang" data-language="py">Python</label>
|
||||
|
||||
|
||||
<input type="radio" id="no_echo_ruby" name="no_echo" class="tab">
|
||||
|
||||
<label for="no_echo_ruby" class="api-lang" data-language="ruby">Ruby</label>
|
||||
|
||||
|
||||
<input type="radio" id="no_echo_ts" name="no_echo" class="tab">
|
||||
|
||||
<label for="no_echo_ts" class="api-lang" data-language="ts">TypeScript</label>
|
||||
|
||||
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="no_echo_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/no_echo/main.go#L10-20"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">// Turn off echo
|
||||
nc, err := nats.Connect("demo.nats.io", nats.NoEcho())
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
defer nc.Close()
|
||||
|
||||
// Do something with the connection
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="no_echo_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/ConnectNoEcho.java#L11-21"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java">Options options = new Options.Builder().
|
||||
server("nats://demo.nats.io:4222").
|
||||
noEcho(). // Turn off echo
|
||||
build();
|
||||
Connection nc = Nats.connect(options);
|
||||
|
||||
// Do something with the connection
|
||||
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="no_echo_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/subscriber_samples.js#L239-241"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">// no_echo is not supported.
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="no_echo_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/no_echo.py#L5-27"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python">ncA = NATS()
|
||||
ncB = NATS()
|
||||
|
||||
await ncA.connect(no_echo=True)
|
||||
await ncB.connect()
|
||||
|
||||
async def handler(msg):
|
||||
# Messages sent by `ncA' will not be received.
|
||||
print("[Received] ", msg)
|
||||
|
||||
await ncA.subscribe("greetings", cb=handler)
|
||||
await ncA.flush()
|
||||
await ncA.publish("greetings", b'Hello World!')
|
||||
await ncB.publish("greetings", b'Hello World!')
|
||||
|
||||
# Do something with the connection
|
||||
|
||||
await asyncio.sleep(1)
|
||||
await ncA.drain()
|
||||
await ncB.drain()
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="no_echo_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/no_echo.rb#L3-7"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby">NATS.start("nats://demo.nats.io:4222", no_echo: true) do |nc|
|
||||
# ...
|
||||
end
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="no_echo_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/subscriber_samples.ts#L222-225"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">let nc = await connect({
|
||||
url: "nats://demo.nats.io:4222", noEcho: true});
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
111
developer/examples/ping_20s.html
Normal file
111
developer/examples/ping_20s.html
Normal file
@@ -0,0 +1,111 @@
|
||||
|
||||
<div class="tab-wrap">
|
||||
|
||||
|
||||
<input type="radio" id="ping_20s_go" name="ping_20s" class="tab" checked>
|
||||
|
||||
<label for="ping_20s_go" class="api-lang" data-language="go">Go</label>
|
||||
|
||||
|
||||
<input type="radio" id="ping_20s_java" name="ping_20s" class="tab">
|
||||
|
||||
<label for="ping_20s_java" class="api-lang" data-language="java">Java</label>
|
||||
|
||||
|
||||
<input type="radio" id="ping_20s_js" name="ping_20s" class="tab">
|
||||
|
||||
<label for="ping_20s_js" class="api-lang" data-language="js">JavaScript</label>
|
||||
|
||||
|
||||
<input type="radio" id="ping_20s_py" name="ping_20s" class="tab">
|
||||
|
||||
<label for="ping_20s_py" class="api-lang" data-language="py">Python</label>
|
||||
|
||||
|
||||
<input type="radio" id="ping_20s_ruby" name="ping_20s" class="tab">
|
||||
|
||||
<label for="ping_20s_ruby" class="api-lang" data-language="ruby">Ruby</label>
|
||||
|
||||
|
||||
<input type="radio" id="ping_20s_ts" name="ping_20s" class="tab">
|
||||
|
||||
<label for="ping_20s_ts" class="api-lang" data-language="ts">TypeScript</label>
|
||||
|
||||
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="ping_20s_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/ping_20s/main.go#L11-21"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">// Set Ping Interval to 20 seconds
|
||||
nc, err := nats.Connect("demo.nats.io", nats.PingInterval(20*time.Second))
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
defer nc.Close()
|
||||
|
||||
// Do something with the connection
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="ping_20s_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/ConnectPingTwenty.java#L13-23"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java">Options options = new Options.Builder().
|
||||
server("nats://demo.nats.io:4222").
|
||||
pingInterval(Duration.ofSeconds(20)). // Set Ping Interval
|
||||
build();
|
||||
Connection nc = Nats.connect(options);
|
||||
|
||||
// Do something with the connection
|
||||
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="ping_20s_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/options_samples.js#L7-12"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">let nc = NATS.connect({
|
||||
pingInterval: 20*1000, //20s
|
||||
url: "nats://demo.nats.io:4222"
|
||||
});
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="ping_20s_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/ping_20s.py#L6-17"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python">nc = NATS()
|
||||
|
||||
await nc.connect(
|
||||
servers=["nats://demo.nats.io:4222"],
|
||||
# Set Ping Interval to 20 seconds
|
||||
ping_interval=20,
|
||||
)
|
||||
|
||||
# Do something with the connection.
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="ping_20s_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/ping_20s.rb#L1-15"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby">require 'nats/client'
|
||||
|
||||
NATS.start(ping_interval: 20) do |nc|
|
||||
nc.on_reconnect do
|
||||
puts "Got reconnected to #{nc.connected_server}"
|
||||
end
|
||||
|
||||
nc.on_disconnect do |reason|
|
||||
puts "Got disconnected! #{reason}"
|
||||
end
|
||||
|
||||
# Do something with the connection
|
||||
end
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="ping_20s_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/options_samples.ts#L5-12"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">// will throw an exception if connection fails
|
||||
let nc = await connect({
|
||||
pingInterval: 20*2000, //20s
|
||||
url: "nats://demo.nats.io:4222"
|
||||
});
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
118
developer/examples/ping_5.html
Normal file
118
developer/examples/ping_5.html
Normal file
@@ -0,0 +1,118 @@
|
||||
|
||||
<div class="tab-wrap">
|
||||
|
||||
|
||||
<input type="radio" id="ping_5_go" name="ping_5" class="tab" checked>
|
||||
|
||||
<label for="ping_5_go" class="api-lang" data-language="go">Go</label>
|
||||
|
||||
|
||||
<input type="radio" id="ping_5_java" name="ping_5" class="tab">
|
||||
|
||||
<label for="ping_5_java" class="api-lang" data-language="java">Java</label>
|
||||
|
||||
|
||||
<input type="radio" id="ping_5_js" name="ping_5" class="tab">
|
||||
|
||||
<label for="ping_5_js" class="api-lang" data-language="js">JavaScript</label>
|
||||
|
||||
|
||||
<input type="radio" id="ping_5_py" name="ping_5" class="tab">
|
||||
|
||||
<label for="ping_5_py" class="api-lang" data-language="py">Python</label>
|
||||
|
||||
|
||||
<input type="radio" id="ping_5_ruby" name="ping_5" class="tab">
|
||||
|
||||
<label for="ping_5_ruby" class="api-lang" data-language="ruby">Ruby</label>
|
||||
|
||||
|
||||
<input type="radio" id="ping_5_ts" name="ping_5" class="tab">
|
||||
|
||||
<label for="ping_5_ts" class="api-lang" data-language="ts">TypeScript</label>
|
||||
|
||||
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="ping_5_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/ping_5/main.go#L10-25"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">opts := nats.GetDefaultOptions()
|
||||
opts.Url = "demo.nats.io"
|
||||
// Set maximum number of PINGs out without getting a PONG back
|
||||
// before the connection will be disconnected as a stale connection.
|
||||
opts.MaxPingsOut = 5
|
||||
|
||||
nc, err := opts.Connect()
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
defer nc.Close()
|
||||
|
||||
// Do something with the connection
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="ping_5_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/ConnectMaxPingFive.java#L11-21"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java">Options options = new Options.Builder().
|
||||
server("nats://demo.nats.io:4222").
|
||||
maxPingsOut(5). // Set max pings in flight
|
||||
build();
|
||||
Connection nc = Nats.connect(options);
|
||||
|
||||
// Do something with the connection
|
||||
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="ping_5_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/options_samples.js#L23-28"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">let nc = NATS.connect({
|
||||
maxPingOut: 5,
|
||||
url: "nats://demo.nats.io:4222"
|
||||
});
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="ping_5_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/ping_5.py#L6-19"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python">nc = NATS()
|
||||
|
||||
await nc.connect(
|
||||
servers=["nats://demo.nats.io:4222"],
|
||||
# Set maximum number of PINGs out without getting a PONG back
|
||||
# before the connection will be disconnected as a stale connection.
|
||||
max_outstanding_pings=5,
|
||||
ping_interval=1,
|
||||
)
|
||||
|
||||
# Do something with the connection.
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="ping_5_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/ping_5s.rb#L1-15"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby">require 'nats/client'
|
||||
|
||||
NATS.start(max_outstanding_pings: 5) do |nc|
|
||||
nc.on_reconnect do
|
||||
puts "Got reconnected to #{nc.connected_server}"
|
||||
end
|
||||
|
||||
nc.on_disconnect do |reason|
|
||||
puts "Got disconnected! #{reason}"
|
||||
end
|
||||
|
||||
# Do something with the connection
|
||||
end
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="ping_5_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/options_samples.ts#L17-24"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">// will throw an exception if connection fails
|
||||
let nc = await connect({
|
||||
maxPingOut: 5,
|
||||
url: "nats://demo.nats.io:4222"
|
||||
});
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
101
developer/examples/publish_bytes.html
Normal file
101
developer/examples/publish_bytes.html
Normal file
@@ -0,0 +1,101 @@
|
||||
|
||||
<div class="tab-wrap">
|
||||
|
||||
|
||||
<input type="radio" id="publish_bytes_go" name="publish_bytes" class="tab" checked>
|
||||
|
||||
<label for="publish_bytes_go" class="api-lang" data-language="go">Go</label>
|
||||
|
||||
|
||||
<input type="radio" id="publish_bytes_java" name="publish_bytes" class="tab">
|
||||
|
||||
<label for="publish_bytes_java" class="api-lang" data-language="java">Java</label>
|
||||
|
||||
|
||||
<input type="radio" id="publish_bytes_js" name="publish_bytes" class="tab">
|
||||
|
||||
<label for="publish_bytes_js" class="api-lang" data-language="js">JavaScript</label>
|
||||
|
||||
|
||||
<input type="radio" id="publish_bytes_py" name="publish_bytes" class="tab">
|
||||
|
||||
<label for="publish_bytes_py" class="api-lang" data-language="py">Python</label>
|
||||
|
||||
|
||||
<input type="radio" id="publish_bytes_ruby" name="publish_bytes" class="tab">
|
||||
|
||||
<label for="publish_bytes_ruby" class="api-lang" data-language="ruby">Ruby</label>
|
||||
|
||||
|
||||
<input type="radio" id="publish_bytes_ts" name="publish_bytes" class="tab">
|
||||
|
||||
<label for="publish_bytes_ts" class="api-lang" data-language="ts">TypeScript</label>
|
||||
|
||||
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="publish_bytes_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/publish_bytes/main.go#L10-22"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">nc, err := nats.Connect("demo.nats.io")
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
defer nc.Close()
|
||||
|
||||
if err := nc.Publish("updates", []byte("All is Well")); err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
// Make sure the message goes through before we close
|
||||
nc.Flush()
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="publish_bytes_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/PublishBytes.java#L13-21"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java">Connection nc = Nats.connect("nats://demo.nats.io:4222");
|
||||
|
||||
nc.publish("updates", "All is Well".getBytes(StandardCharsets.UTF_8));
|
||||
|
||||
// Make sure the message goes through before we close
|
||||
nc.flush(Duration.ZERO);
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="publish_bytes_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/publisher_samples.js#L8-13"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">let nc = NATS.connect({url: "nats://demo.nats.io:4222", preserveBuffers: true});
|
||||
let buf = Buffer.allocUnsafe(12);
|
||||
buf.fill("All is well");
|
||||
nc.publish('updates', buf);
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="publish_bytes_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/publish_bytes.py#L6-13"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python">nc = NATS()
|
||||
|
||||
await nc.connect(servers=["nats://demo.nats.io:4222"])
|
||||
|
||||
await nc.publish("updates", b'All is Well')
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="publish_bytes_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/publish_bytes.rb#L1-7"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby">require 'nats/client'
|
||||
|
||||
NATS.start(servers:["nats://127.0.0.1:4222"]) do |nc|
|
||||
nc.publish("updates", "All is Well")
|
||||
end
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="publish_bytes_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/publisher_samples.ts#L6-15"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">let nc = await connect({
|
||||
url: "nats://demo.nats.io:4222",
|
||||
payload: Payload.BINARY
|
||||
});
|
||||
|
||||
let buf = Buffer.allocUnsafe(12);
|
||||
buf.fill("All is Well");
|
||||
nc.publish('updates', buf);
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
134
developer/examples/publish_json.html
Normal file
134
developer/examples/publish_json.html
Normal file
@@ -0,0 +1,134 @@
|
||||
|
||||
<div class="tab-wrap">
|
||||
|
||||
|
||||
<input type="radio" id="publish_json_go" name="publish_json" class="tab" checked>
|
||||
|
||||
<label for="publish_json_go" class="api-lang" data-language="go">Go</label>
|
||||
|
||||
|
||||
<input type="radio" id="publish_json_java" name="publish_json" class="tab">
|
||||
|
||||
<label for="publish_json_java" class="api-lang" data-language="java">Java</label>
|
||||
|
||||
|
||||
<input type="radio" id="publish_json_js" name="publish_json" class="tab">
|
||||
|
||||
<label for="publish_json_js" class="api-lang" data-language="js">JavaScript</label>
|
||||
|
||||
|
||||
<input type="radio" id="publish_json_py" name="publish_json" class="tab">
|
||||
|
||||
<label for="publish_json_py" class="api-lang" data-language="py">Python</label>
|
||||
|
||||
|
||||
<input type="radio" id="publish_json_ruby" name="publish_json" class="tab">
|
||||
|
||||
<label for="publish_json_ruby" class="api-lang" data-language="ruby">Ruby</label>
|
||||
|
||||
|
||||
<input type="radio" id="publish_json_ts" name="publish_json" class="tab">
|
||||
|
||||
<label for="publish_json_ts" class="api-lang" data-language="ts">TypeScript</label>
|
||||
|
||||
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="publish_json_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/publish_json/main.go#L10-34"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">nc, err := nats.Connect("demo.nats.io")
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
ec, err := nats.NewEncodedConn(nc, nats.JSON_ENCODER)
|
||||
if err != nil {
|
||||
nc.Close()
|
||||
log.Fatal(err)
|
||||
}
|
||||
defer ec.Close()
|
||||
|
||||
// Define the object
|
||||
type stock struct {
|
||||
Symbol string
|
||||
Price int
|
||||
}
|
||||
|
||||
// Publish the message
|
||||
if err := ec.Publish("updates", &stock{Symbol: "GOOG", Price: 1200}); err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
// Make sure the message goes through before we close
|
||||
ec.Flush()
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="publish_json_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/PublishJSON.java#L12-44"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java">class StockForJsonPub {
|
||||
public String symbol;
|
||||
public float price;
|
||||
}
|
||||
|
||||
public class PublishJSON {
|
||||
public static void main(String[] args) {
|
||||
try {
|
||||
Connection nc = Nats.connect("nats://demo.nats.io:4222");
|
||||
|
||||
// Create the data object
|
||||
StockForJsonPub stk = new StockForJsonPub();
|
||||
stk.symbol="GOOG";
|
||||
stk.price=1200;
|
||||
|
||||
// use Gson to encode the object to JSON
|
||||
GsonBuilder builder = new GsonBuilder();
|
||||
Gson gson = builder.create();
|
||||
String json = gson.toJson(stk);
|
||||
|
||||
// Publish the message
|
||||
nc.publish("updates", json.getBytes(StandardCharsets.UTF_8));
|
||||
|
||||
// Make sure the message goes through before we close
|
||||
nc.flush(Duration.ZERO);
|
||||
nc.close();
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
}
|
||||
}
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="publish_json_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/publisher_samples.js#L25-28"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">let nc = NATS.connect({url: "nats://demo.nats.io:4222", json: true});
|
||||
nc.publish('updates', {ticker: 'GOOG', price: 1200});
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="publish_json_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/publish_json.py#L7-14"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python">nc = NATS()
|
||||
|
||||
await nc.connect(servers=["nats://demo.nats.io:4222"])
|
||||
|
||||
await nc.publish("updates", json.dumps({"symbol": "GOOG", "price": 1200 }).encode())
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="publish_json_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/publish_json.rb#L1-8"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby">require 'nats/client'
|
||||
require 'json'
|
||||
|
||||
NATS.start(servers:["nats://127.0.0.1:4222"]) do |nc|
|
||||
nc.publish("updates", {"symbol": "GOOG", "price": 1200}.to_json)
|
||||
end
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="publish_json_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/publisher_samples.ts#L22-29"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">let nc = await connect({
|
||||
url: "nats://demo.nats.io:4222",
|
||||
payload: Payload.JSON
|
||||
});
|
||||
|
||||
nc.publish('updates', {ticker: 'GOOG', price: 1200});
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
186
developer/examples/publish_with_reply.html
Normal file
186
developer/examples/publish_with_reply.html
Normal file
@@ -0,0 +1,186 @@
|
||||
|
||||
<div class="tab-wrap">
|
||||
|
||||
|
||||
<input type="radio" id="publish_with_reply_go" name="publish_with_reply" class="tab" checked>
|
||||
|
||||
<label for="publish_with_reply_go" class="api-lang" data-language="go">Go</label>
|
||||
|
||||
|
||||
<input type="radio" id="publish_with_reply_java" name="publish_with_reply" class="tab">
|
||||
|
||||
<label for="publish_with_reply_java" class="api-lang" data-language="java">Java</label>
|
||||
|
||||
|
||||
<input type="radio" id="publish_with_reply_js" name="publish_with_reply" class="tab">
|
||||
|
||||
<label for="publish_with_reply_js" class="api-lang" data-language="js">JavaScript</label>
|
||||
|
||||
|
||||
<input type="radio" id="publish_with_reply_py" name="publish_with_reply" class="tab">
|
||||
|
||||
<label for="publish_with_reply_py" class="api-lang" data-language="py">Python</label>
|
||||
|
||||
|
||||
<input type="radio" id="publish_with_reply_ruby" name="publish_with_reply" class="tab">
|
||||
|
||||
<label for="publish_with_reply_ruby" class="api-lang" data-language="ruby">Ruby</label>
|
||||
|
||||
|
||||
<input type="radio" id="publish_with_reply_ts" name="publish_with_reply" class="tab">
|
||||
|
||||
<label for="publish_with_reply_ts" class="api-lang" data-language="ts">TypeScript</label>
|
||||
|
||||
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="publish_with_reply_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/publish_with_reply/main.go#L11-43"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">nc, err := nats.Connect("demo.nats.io")
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
defer nc.Close()
|
||||
|
||||
// Create a unique subject name
|
||||
uniqueReplyTo := nats.NewInbox()
|
||||
|
||||
// Listen for a single response
|
||||
sub, err := nc.SubscribeSync(uniqueReplyTo)
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
|
||||
// Send the request
|
||||
if err := nc.PublishRequest("time", uniqueReplyTo, nil); err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
|
||||
// Read the reply
|
||||
msg, err := sub.NextMsg(time.Second)
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
|
||||
// Use the response
|
||||
log.Printf("Reply: %s", msg.Data)
|
||||
|
||||
// Close the connection
|
||||
nc.Close()
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="publish_with_reply_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/PublishWithReply.java#L16-37"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java">Connection nc = Nats.connect("nats://demo.nats.io:4222");
|
||||
|
||||
// Create a unique subject name
|
||||
String uniqueReplyTo = NUID.nextGlobal();
|
||||
|
||||
// Listen for a single response
|
||||
Subscription sub = nc.subscribe(uniqueReplyTo);
|
||||
sub.unsubscribe(1);
|
||||
|
||||
// Send the request
|
||||
nc.publish("time", uniqueReplyTo, null);
|
||||
|
||||
// Read the reply
|
||||
Message msg = sub.nextMessage(Duration.ofSeconds(1));
|
||||
|
||||
// Use the response
|
||||
System.out.println(new String(msg.getData(), StandardCharsets.UTF_8));
|
||||
|
||||
// Close the connection
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="publish_with_reply_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/publisher_samples.js#L41-57"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">// set up a subscription to process the request
|
||||
nc.subscribe('time', (msg, reply) => {
|
||||
if(reply) {
|
||||
nc.publish(reply, new Date().toLocaleTimeString());
|
||||
}
|
||||
});
|
||||
|
||||
// create a subscription subject that the responding send replies to
|
||||
let inbox = NATS.createInbox();
|
||||
nc.subscribe(inbox, {max: 1}, (msg) => {
|
||||
t.log('the time is', msg);
|
||||
nc.close();
|
||||
});
|
||||
|
||||
nc.publish('time', "", inbox);
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="publish_with_reply_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/publish_with_reply.py#L8-27"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python">nc = NATS()
|
||||
|
||||
future = asyncio.Future()
|
||||
|
||||
async def sub(msg):
|
||||
nonlocal future
|
||||
future.set_result(msg)
|
||||
|
||||
await nc.connect(servers=["nats://demo.nats.io:4222"])
|
||||
await nc.subscribe("time", cb=sub)
|
||||
|
||||
unique_reply_to = new_inbox()
|
||||
await nc.publish_request("time", unique_reply_to, b'')
|
||||
|
||||
# Use the response
|
||||
msg = await asyncio.wait_for(future, 1)
|
||||
print("Reply:", msg)
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="publish_with_reply_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/publish_with_reply.rb#L1-22"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby">require 'nats/client'
|
||||
require 'fiber'
|
||||
|
||||
NATS.start(servers:["nats://127.0.0.1:4222"]) do |nc|
|
||||
Fiber.new do
|
||||
f = Fiber.current
|
||||
|
||||
nc.subscribe("time") do |msg, reply|
|
||||
f.resume msg
|
||||
end
|
||||
|
||||
nc.publish("time", 'example', NATS.create_inbox)
|
||||
|
||||
# Use the response
|
||||
msg = Fiber.yield
|
||||
puts "Reply: #{msg}"
|
||||
|
||||
end.resume
|
||||
end
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="publish_with_reply_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/publisher_samples.ts#L41-64"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">// set up a subscription to process the request
|
||||
await nc.subscribe('time', (err, msg) => {
|
||||
if (err) {
|
||||
// this example is running inside of a promise
|
||||
reject();
|
||||
return;
|
||||
}
|
||||
if (msg.reply) {
|
||||
nc.publish(msg.reply, new Date().toLocaleTimeString());
|
||||
}
|
||||
});
|
||||
|
||||
// create a subscription subject that the responding send replies to
|
||||
let inbox = createInbox();
|
||||
await nc.subscribe(inbox, (err, msg) => {
|
||||
t.log('the time is', msg.data);
|
||||
// this example is running inside of a promise
|
||||
nc.close();
|
||||
resolve();
|
||||
}, {max: 1});
|
||||
|
||||
nc.publish('time', "", inbox);
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
106
developer/examples/reconnect_10s.html
Normal file
106
developer/examples/reconnect_10s.html
Normal file
@@ -0,0 +1,106 @@
|
||||
|
||||
<div class="tab-wrap">
|
||||
|
||||
|
||||
<input type="radio" id="reconnect_10s_go" name="reconnect_10s" class="tab" checked>
|
||||
|
||||
<label for="reconnect_10s_go" class="api-lang" data-language="go">Go</label>
|
||||
|
||||
|
||||
<input type="radio" id="reconnect_10s_java" name="reconnect_10s" class="tab">
|
||||
|
||||
<label for="reconnect_10s_java" class="api-lang" data-language="java">Java</label>
|
||||
|
||||
|
||||
<input type="radio" id="reconnect_10s_js" name="reconnect_10s" class="tab">
|
||||
|
||||
<label for="reconnect_10s_js" class="api-lang" data-language="js">JavaScript</label>
|
||||
|
||||
|
||||
<input type="radio" id="reconnect_10s_py" name="reconnect_10s" class="tab">
|
||||
|
||||
<label for="reconnect_10s_py" class="api-lang" data-language="py">Python</label>
|
||||
|
||||
|
||||
<input type="radio" id="reconnect_10s_ruby" name="reconnect_10s" class="tab">
|
||||
|
||||
<label for="reconnect_10s_ruby" class="api-lang" data-language="ruby">Ruby</label>
|
||||
|
||||
|
||||
<input type="radio" id="reconnect_10s_ts" name="reconnect_10s" class="tab">
|
||||
|
||||
<label for="reconnect_10s_ts" class="api-lang" data-language="ts">TypeScript</label>
|
||||
|
||||
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="reconnect_10s_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/reconnect_10s/main.go#L11-21"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">// Set reconnect interval to 10 seconds
|
||||
nc, err := nats.Connect("demo.nats.io", nats.ReconnectWait(10*time.Second))
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
defer nc.Close()
|
||||
|
||||
// Do something with the connection
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="reconnect_10s_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/ReconnectTenSeconds.java#L13-23"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java">Options options = new Options.Builder().
|
||||
server("nats://demo.nats.io:4222").
|
||||
reconnectWait(Duration.ofSeconds(10)). // Set Reconnect Wait
|
||||
build();
|
||||
Connection nc = Nats.connect(options);
|
||||
|
||||
// Do something with the connection
|
||||
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="reconnect_10s_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/reconnect_samples.js#L42-47"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">let nc = NATS.connect({
|
||||
reconnectTimeWait: 10 * 1000, //10s
|
||||
servers: ["nats://demo.nats.io:4222"]
|
||||
});
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="reconnect_10s_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/reconnect_10s.py#L5-16"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python">nc = NATS()
|
||||
await nc.connect(
|
||||
servers=["nats://demo.nats.io:4222"],
|
||||
reconnect_time_wait=10,
|
||||
)
|
||||
|
||||
# Do something with the connection
|
||||
|
||||
await nc.close()
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="reconnect_10s_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/reconnect_10s.rb#L1-10"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby">require 'nats/client'
|
||||
|
||||
NATS.start(servers: ["nats://127.0.0.1:1222", "nats://127.0.0.1:1223", "nats://127.0.0.1:1224"], reconnect_time_wait: 10) do |nc|
|
||||
# Do something with the connection
|
||||
|
||||
# Close the connection
|
||||
nc.close
|
||||
end
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="reconnect_10s_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/reconnect_samples.ts#L33-40"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">// will throw an exception if connection fails
|
||||
let nc = await connect({
|
||||
reconnectTimeWait: 10*1000, //10s
|
||||
servers: ["nats://demo.nats.io:4222"]
|
||||
});
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
106
developer/examples/reconnect_10x.html
Normal file
106
developer/examples/reconnect_10x.html
Normal file
@@ -0,0 +1,106 @@
|
||||
|
||||
<div class="tab-wrap">
|
||||
|
||||
|
||||
<input type="radio" id="reconnect_10x_go" name="reconnect_10x" class="tab" checked>
|
||||
|
||||
<label for="reconnect_10x_go" class="api-lang" data-language="go">Go</label>
|
||||
|
||||
|
||||
<input type="radio" id="reconnect_10x_java" name="reconnect_10x" class="tab">
|
||||
|
||||
<label for="reconnect_10x_java" class="api-lang" data-language="java">Java</label>
|
||||
|
||||
|
||||
<input type="radio" id="reconnect_10x_js" name="reconnect_10x" class="tab">
|
||||
|
||||
<label for="reconnect_10x_js" class="api-lang" data-language="js">JavaScript</label>
|
||||
|
||||
|
||||
<input type="radio" id="reconnect_10x_py" name="reconnect_10x" class="tab">
|
||||
|
||||
<label for="reconnect_10x_py" class="api-lang" data-language="py">Python</label>
|
||||
|
||||
|
||||
<input type="radio" id="reconnect_10x_ruby" name="reconnect_10x" class="tab">
|
||||
|
||||
<label for="reconnect_10x_ruby" class="api-lang" data-language="ruby">Ruby</label>
|
||||
|
||||
|
||||
<input type="radio" id="reconnect_10x_ts" name="reconnect_10x" class="tab">
|
||||
|
||||
<label for="reconnect_10x_ts" class="api-lang" data-language="ts">TypeScript</label>
|
||||
|
||||
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="reconnect_10x_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/reconnect_10x/main.go#L10-20"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">// Set max reconnects attempts
|
||||
nc, err := nats.Connect("demo.nats.io", nats.MaxReconnects(10))
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
defer nc.Close()
|
||||
|
||||
// Do something with the connection
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="reconnect_10x_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/ReconnectTenTimes.java#L11-21"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java">Options options = new Options.Builder().
|
||||
server("nats://demo.nats.io:4222").
|
||||
maxReconnects(10). // Set max reconnect attempts
|
||||
build();
|
||||
Connection nc = Nats.connect(options);
|
||||
|
||||
// Do something with the connection
|
||||
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="reconnect_10x_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/reconnect_samples.js#L58-63"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">let nc = NATS.connect({
|
||||
maxReconnectAttempts: 10,
|
||||
servers: ["nats://demo.nats.io:4222"]
|
||||
});
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="reconnect_10x_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/reconnect_10x.py#L5-16"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python">nc = NATS()
|
||||
await nc.connect(
|
||||
servers=["nats://demo.nats.io:4222"],
|
||||
max_reconnect_attempts=10,
|
||||
)
|
||||
|
||||
# Do something with the connection
|
||||
|
||||
await nc.close()
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="reconnect_10x_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/reconnect_10x.rb#L1-10"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby">require 'nats/client'
|
||||
|
||||
NATS.start(servers: ["nats://127.0.0.1:1222", "nats://127.0.0.1:1223", "nats://127.0.0.1:1224"], max_reconnect_attempts: 10) do |nc|
|
||||
# Do something with the connection
|
||||
|
||||
# Close the connection
|
||||
nc.close
|
||||
end
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="reconnect_10x_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/reconnect_samples.ts#L45-52"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">// will throw an exception if connection fails
|
||||
let nc = await connect({
|
||||
maxReconnectAttempts: 10,
|
||||
servers: ["nats://demo.nats.io:4222"]
|
||||
});
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
82
developer/examples/reconnect_5mb.html
Normal file
82
developer/examples/reconnect_5mb.html
Normal file
@@ -0,0 +1,82 @@
|
||||
|
||||
<div class="tab-wrap">
|
||||
|
||||
|
||||
<input type="radio" id="reconnect_5mb_go" name="reconnect_5mb" class="tab" checked>
|
||||
|
||||
<label for="reconnect_5mb_go" class="api-lang" data-language="go">Go</label>
|
||||
|
||||
|
||||
<input type="radio" id="reconnect_5mb_java" name="reconnect_5mb" class="tab">
|
||||
|
||||
<label for="reconnect_5mb_java" class="api-lang" data-language="java">Java</label>
|
||||
|
||||
|
||||
<input type="radio" id="reconnect_5mb_js" name="reconnect_5mb" class="tab">
|
||||
|
||||
<label for="reconnect_5mb_js" class="api-lang" data-language="js">JavaScript</label>
|
||||
|
||||
|
||||
<input type="radio" id="reconnect_5mb_py" name="reconnect_5mb" class="tab">
|
||||
|
||||
<label for="reconnect_5mb_py" class="api-lang" data-language="py">Python</label>
|
||||
|
||||
|
||||
<input type="radio" id="reconnect_5mb_ruby" name="reconnect_5mb" class="tab">
|
||||
|
||||
<label for="reconnect_5mb_ruby" class="api-lang" data-language="ruby">Ruby</label>
|
||||
|
||||
|
||||
<input type="radio" id="reconnect_5mb_ts" name="reconnect_5mb" class="tab">
|
||||
|
||||
<label for="reconnect_5mb_ts" class="api-lang" data-language="ts">TypeScript</label>
|
||||
|
||||
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="reconnect_5mb_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/reconnect_5mb/main.go#L10-20"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">// Set reconnect buffer size in bytes (5 MB)
|
||||
nc, err := nats.Connect("demo.nats.io", nats.ReconnectBufSize(5*1024*1024))
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
defer nc.Close()
|
||||
|
||||
// Do something with the connection
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="reconnect_5mb_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/ReconnectFiveMB.java#L11-21"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java">Options options = new Options.Builder().
|
||||
server("nats://demo.nats.io:4222").
|
||||
reconnectBufferSize(5 * 1024 * 1024). // Set buffer in bytes
|
||||
build();
|
||||
Connection nc = Nats.connect(options);
|
||||
|
||||
// Do something with the connection
|
||||
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="reconnect_5mb_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/reconnect_samples.js#L94-96"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">// Reconnect buffer size is not configurable on node-nats
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="reconnect_5mb_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/notapplicable.txt#L1-3"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python"># Asyncio NATS client currentply does not implement a reconnect buffer
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="reconnect_5mb_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/notapplicable.txt#L1-3"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby"># There is currently no reconnect pending buffer as part of the Ruby NATS client.
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="reconnect_5mb_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/reconnect_samples.ts#L76-78"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">// Reconnect buffer size is not configurable on ts-nats
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
142
developer/examples/reconnect_event.html
Normal file
142
developer/examples/reconnect_event.html
Normal file
@@ -0,0 +1,142 @@
|
||||
|
||||
<div class="tab-wrap">
|
||||
|
||||
|
||||
<input type="radio" id="reconnect_event_go" name="reconnect_event" class="tab" checked>
|
||||
|
||||
<label for="reconnect_event_go" class="api-lang" data-language="go">Go</label>
|
||||
|
||||
|
||||
<input type="radio" id="reconnect_event_java" name="reconnect_event" class="tab">
|
||||
|
||||
<label for="reconnect_event_java" class="api-lang" data-language="java">Java</label>
|
||||
|
||||
|
||||
<input type="radio" id="reconnect_event_js" name="reconnect_event" class="tab">
|
||||
|
||||
<label for="reconnect_event_js" class="api-lang" data-language="js">JavaScript</label>
|
||||
|
||||
|
||||
<input type="radio" id="reconnect_event_py" name="reconnect_event" class="tab">
|
||||
|
||||
<label for="reconnect_event_py" class="api-lang" data-language="py">Python</label>
|
||||
|
||||
|
||||
<input type="radio" id="reconnect_event_ruby" name="reconnect_event" class="tab">
|
||||
|
||||
<label for="reconnect_event_ruby" class="api-lang" data-language="ruby">Ruby</label>
|
||||
|
||||
|
||||
<input type="radio" id="reconnect_event_ts" name="reconnect_event" class="tab">
|
||||
|
||||
<label for="reconnect_event_ts" class="api-lang" data-language="ts">TypeScript</label>
|
||||
|
||||
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="reconnect_event_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/reconnect_event/main.go#L10-28"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">// Connection event handlers are invoked asynchronously
|
||||
// and the state of the connection may have changed when
|
||||
// the callback is invoked.
|
||||
nc, err := nats.Connect("demo.nats.io",
|
||||
nats.DisconnectHandler(func(nc *nats.Conn) {
|
||||
// handle disconnect event
|
||||
}),
|
||||
nats.ReconnectHandler(func(nc *nats.Conn) {
|
||||
// handle reconnect event
|
||||
}))
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
defer nc.Close()
|
||||
|
||||
// Do something with the connection
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="reconnect_event_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/ReconnectEvents.java#L12-28"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java">Options options = new Options.Builder().
|
||||
server("nats://demo.nats.io:4222").
|
||||
connectionListener((conn, type) -> {
|
||||
if (type == Events.RECONNECTED) {
|
||||
// handle reconnected
|
||||
} else if (type == Events.DISCONNECTED) {
|
||||
// handle disconnected, wait for reconnect
|
||||
}
|
||||
}).
|
||||
build();
|
||||
Connection nc = Nats.connect(options);
|
||||
|
||||
// Do something with the connection
|
||||
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="reconnect_event_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/reconnect_samples.js#L74-83"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">let nc = NATS.connect({
|
||||
maxReconnectAttempts: 10,
|
||||
servers: ["nats://demo.nats.io:4222"]
|
||||
});
|
||||
|
||||
nc.on('reconnect', (c) => {
|
||||
console.log('reconnected');
|
||||
});
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="reconnect_event_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/reconnect_event.py#L6-25"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python">nc = NATS()
|
||||
|
||||
async def disconnected_cb():
|
||||
print("Got disconnected!")
|
||||
|
||||
async def reconnected_cb():
|
||||
# See who we are connected to on reconnect.
|
||||
print("Got reconnected to {url}".format(url=nc.connected_url.netloc))
|
||||
|
||||
await nc.connect(
|
||||
servers=["nats://demo.nats.io:4222"],
|
||||
reconnect_time_wait=10,
|
||||
reconnected_cb=reconnected_cb,
|
||||
disconnected_cb=disconnected_cb,
|
||||
)
|
||||
|
||||
# Do something with the connection.
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="reconnect_event_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/reconnect_event.rb#L1-14"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby">require 'nats/client'
|
||||
|
||||
NATS.start(servers: ["nats://127.0.0.1:1222", "nats://127.0.0.1:1223", "nats://127.0.0.1:1224"]) do |nc|
|
||||
# Do something with the connection
|
||||
nc.on_reconnect do
|
||||
puts "Got reconnected to #{nc.connected_server}"
|
||||
end
|
||||
|
||||
nc.on_disconnect do |reason|
|
||||
puts "Got disconnected! #{reason}"
|
||||
end
|
||||
end
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="reconnect_event_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/reconnect_samples.ts#L57-70"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">// will throw an exception if connection fails
|
||||
let nc = await connect({
|
||||
maxReconnectAttempts: 10,
|
||||
servers: ["nats://demo.nats.io:4222"]
|
||||
});
|
||||
// first argument is the connection (same as nc in this case)
|
||||
// second argument is the url of the server where the client
|
||||
// connected
|
||||
nc.on('reconnect', (conn, server) => {
|
||||
console.log('reconnected to', server);
|
||||
});
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
118
developer/examples/reconnect_no_random.html
Normal file
118
developer/examples/reconnect_no_random.html
Normal file
@@ -0,0 +1,118 @@
|
||||
|
||||
<div class="tab-wrap">
|
||||
|
||||
|
||||
<input type="radio" id="reconnect_no_random_go" name="reconnect_no_random" class="tab" checked>
|
||||
|
||||
<label for="reconnect_no_random_go" class="api-lang" data-language="go">Go</label>
|
||||
|
||||
|
||||
<input type="radio" id="reconnect_no_random_java" name="reconnect_no_random" class="tab">
|
||||
|
||||
<label for="reconnect_no_random_java" class="api-lang" data-language="java">Java</label>
|
||||
|
||||
|
||||
<input type="radio" id="reconnect_no_random_js" name="reconnect_no_random" class="tab">
|
||||
|
||||
<label for="reconnect_no_random_js" class="api-lang" data-language="js">JavaScript</label>
|
||||
|
||||
|
||||
<input type="radio" id="reconnect_no_random_py" name="reconnect_no_random" class="tab">
|
||||
|
||||
<label for="reconnect_no_random_py" class="api-lang" data-language="py">Python</label>
|
||||
|
||||
|
||||
<input type="radio" id="reconnect_no_random_ruby" name="reconnect_no_random" class="tab">
|
||||
|
||||
<label for="reconnect_no_random_ruby" class="api-lang" data-language="ruby">Ruby</label>
|
||||
|
||||
|
||||
<input type="radio" id="reconnect_no_random_ts" name="reconnect_no_random" class="tab">
|
||||
|
||||
<label for="reconnect_no_random_ts" class="api-lang" data-language="ts">TypeScript</label>
|
||||
|
||||
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="reconnect_no_random_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/reconnect_no_random/main.go#L11-25"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">servers := []string{"nats://localhost:1222",
|
||||
"nats://localhost:1223",
|
||||
"nats://localhost:1224",
|
||||
}
|
||||
|
||||
nc, err := nats.Connect(strings.Join(servers, ","), nats.DontRandomize())
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
defer nc.Close()
|
||||
|
||||
// Do something with the connection
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="reconnect_no_random_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/ReconnectNoRandom.java#L11-21"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java">Options options = new Options.Builder().
|
||||
server("nats://demo.nats.io:4222").
|
||||
noRandomize(). // Disable reconnect shuffle
|
||||
build();
|
||||
Connection nc = Nats.connect(options);
|
||||
|
||||
// Do something with the connection
|
||||
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="reconnect_no_random_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/reconnect_samples.js#L6-13"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">let nc = NATS.connect({
|
||||
noRandomize: false,
|
||||
servers: ["nats://127.0.0.1:4443",
|
||||
"nats://demo.nats.io:4222"
|
||||
]
|
||||
});
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="reconnect_no_random_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/reconnect_no_random.py#L5-20"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python">nc = NATS()
|
||||
await nc.connect(
|
||||
servers=[
|
||||
"nats://demo.nats.io:1222",
|
||||
"nats://demo.nats.io:1223",
|
||||
"nats://demo.nats.io:1224"
|
||||
],
|
||||
dont_randomize=True,
|
||||
)
|
||||
|
||||
# Do something with the connection
|
||||
|
||||
await nc.close()
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="reconnect_no_random_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/reconnect_no_random.rb#L1-10"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby">require 'nats/client'
|
||||
|
||||
NATS.start(servers: ["nats://127.0.0.1:1222", "nats://127.0.0.1:1223", "nats://127.0.0.1:1224"], dont_randomize_servers: true) do |nc|
|
||||
# Do something with the connection
|
||||
|
||||
# Close the connection
|
||||
nc.close
|
||||
end
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="reconnect_no_random_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/reconnect_samples.ts#L6-15"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">// will throw an exception if connection fails
|
||||
let nc = await connect({
|
||||
noRandomize: false,
|
||||
servers: ["nats://127.0.0.1:4443",
|
||||
"nats://demo.nats.io:4222"
|
||||
]
|
||||
});
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
110
developer/examples/reconnect_none.html
Normal file
110
developer/examples/reconnect_none.html
Normal file
@@ -0,0 +1,110 @@
|
||||
|
||||
<div class="tab-wrap">
|
||||
|
||||
|
||||
<input type="radio" id="reconnect_none_go" name="reconnect_none" class="tab" checked>
|
||||
|
||||
<label for="reconnect_none_go" class="api-lang" data-language="go">Go</label>
|
||||
|
||||
|
||||
<input type="radio" id="reconnect_none_java" name="reconnect_none" class="tab">
|
||||
|
||||
<label for="reconnect_none_java" class="api-lang" data-language="java">Java</label>
|
||||
|
||||
|
||||
<input type="radio" id="reconnect_none_js" name="reconnect_none" class="tab">
|
||||
|
||||
<label for="reconnect_none_js" class="api-lang" data-language="js">JavaScript</label>
|
||||
|
||||
|
||||
<input type="radio" id="reconnect_none_py" name="reconnect_none" class="tab">
|
||||
|
||||
<label for="reconnect_none_py" class="api-lang" data-language="py">Python</label>
|
||||
|
||||
|
||||
<input type="radio" id="reconnect_none_ruby" name="reconnect_none" class="tab">
|
||||
|
||||
<label for="reconnect_none_ruby" class="api-lang" data-language="ruby">Ruby</label>
|
||||
|
||||
|
||||
<input type="radio" id="reconnect_none_ts" name="reconnect_none" class="tab">
|
||||
|
||||
<label for="reconnect_none_ts" class="api-lang" data-language="ts">TypeScript</label>
|
||||
|
||||
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="reconnect_none_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/reconnect_none/main.go#L10-20"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">// Disable reconnect attempts
|
||||
nc, err := nats.Connect("demo.nats.io", nats.NoReconnect())
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
defer nc.Close()
|
||||
|
||||
// Do something with the connection
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="reconnect_none_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/ReconnectNone.java#L11-21"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java">Options options = new Options.Builder().
|
||||
server("nats://demo.nats.io:4222").
|
||||
noReconnect(). // Disable reconnect attempts
|
||||
build();
|
||||
Connection nc = Nats.connect(options);
|
||||
|
||||
// Do something with the connection
|
||||
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="reconnect_none_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/reconnect_samples.js#L25-30"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">let nc = NATS.connect({
|
||||
reconnect: false,
|
||||
servers: ["nats://demo.nats.io:4222"]
|
||||
});
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="reconnect_none_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/reconnect_none.py#L5-20"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python">nc = NATS()
|
||||
await nc.connect(
|
||||
servers=[
|
||||
"nats://demo.nats.io:1222",
|
||||
"nats://demo.nats.io:1223",
|
||||
"nats://demo.nats.io:1224"
|
||||
],
|
||||
allow_reconnect=False,
|
||||
)
|
||||
|
||||
# Do something with the connection
|
||||
|
||||
await nc.close()
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="reconnect_none_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/reconnect_none.rb#L1-10"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby">require 'nats/client'
|
||||
|
||||
NATS.start(servers: ["nats://127.0.0.1:1222", "nats://127.0.0.1:1223", "nats://127.0.0.1:1224"], reconnect: false) do |nc|
|
||||
# Do something with the connection
|
||||
|
||||
# Close the connection
|
||||
nc.close
|
||||
end
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="reconnect_none_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/reconnect_samples.ts#L20-27"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">// will throw an exception if connection fails
|
||||
let nc = await connect({
|
||||
reconnect: false,
|
||||
servers: ["nats://demo.nats.io:4222"]
|
||||
});
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
125
developer/examples/request_reply.html
Normal file
125
developer/examples/request_reply.html
Normal file
@@ -0,0 +1,125 @@
|
||||
|
||||
<div class="tab-wrap">
|
||||
|
||||
|
||||
<input type="radio" id="request_reply_go" name="request_reply" class="tab" checked>
|
||||
|
||||
<label for="request_reply_go" class="api-lang" data-language="go">Go</label>
|
||||
|
||||
|
||||
<input type="radio" id="request_reply_java" name="request_reply" class="tab">
|
||||
|
||||
<label for="request_reply_java" class="api-lang" data-language="java">Java</label>
|
||||
|
||||
|
||||
<input type="radio" id="request_reply_js" name="request_reply" class="tab">
|
||||
|
||||
<label for="request_reply_js" class="api-lang" data-language="js">JavaScript</label>
|
||||
|
||||
|
||||
<input type="radio" id="request_reply_py" name="request_reply" class="tab">
|
||||
|
||||
<label for="request_reply_py" class="api-lang" data-language="py">Python</label>
|
||||
|
||||
|
||||
<input type="radio" id="request_reply_ruby" name="request_reply" class="tab">
|
||||
|
||||
<label for="request_reply_ruby" class="api-lang" data-language="ruby">Ruby</label>
|
||||
|
||||
|
||||
<input type="radio" id="request_reply_ts" name="request_reply" class="tab">
|
||||
|
||||
<label for="request_reply_ts" class="api-lang" data-language="ts">TypeScript</label>
|
||||
|
||||
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="request_reply_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/request_reply/main.go#L11-29"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">nc, err := nats.Connect("demo.nats.io")
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
defer nc.Close()
|
||||
|
||||
// Send the request
|
||||
msg, err := nc.Request("time", nil, time.Second)
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
|
||||
// Use the response
|
||||
log.Printf("Reply: %s", msg.Data)
|
||||
|
||||
// Close the connection
|
||||
nc.Close()
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="request_reply_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/RequestReply.java#L14-25"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java">Connection nc = Nats.connect("nats://demo.nats.io:4222");
|
||||
|
||||
// Send the request
|
||||
Message msg = nc.request("time", null, Duration.ofSeconds(1));
|
||||
|
||||
// Use the response
|
||||
System.out.println(new String(msg.getData(), StandardCharsets.UTF_8));
|
||||
|
||||
// Close the connection
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="request_reply_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/publisher_samples.js#L77-82"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">nc.requestOne('time', (msg) => {
|
||||
t.log('the time is', msg);
|
||||
nc.close();
|
||||
});
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="request_reply_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/request_reply.py#L8-25"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python">nc = NATS()
|
||||
|
||||
async def sub(msg):
|
||||
await nc.publish(msg.reply, b'response')
|
||||
|
||||
await nc.connect(servers=["nats://demo.nats.io:4222"])
|
||||
await nc.subscribe("time", cb=sub)
|
||||
|
||||
# Send the request
|
||||
try:
|
||||
msg = await nc.request("time", b'', timeout=1)
|
||||
# Use the response
|
||||
print("Reply:", msg)
|
||||
except asyncio.TimeoutError:
|
||||
print("Timed out waiting for response")
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="request_reply_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/request_reply.rb#L1-17"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby">require 'nats/client'
|
||||
require 'fiber'
|
||||
|
||||
NATS.start(servers:["nats://127.0.0.1:4222"]) do |nc|
|
||||
nc.subscribe("time") do |msg, reply|
|
||||
nc.publish(reply, "response")
|
||||
end
|
||||
|
||||
Fiber.new do
|
||||
# Use the response
|
||||
msg = nc.request("time", "")
|
||||
puts "Reply: #{msg}"
|
||||
end.resume
|
||||
end
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="request_reply_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/publisher_samples.ts#L81-85"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">let msg = await nc.request('time', 1000);
|
||||
t.log('the time is', msg.data);
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
111
developer/examples/servers_added.html
Normal file
111
developer/examples/servers_added.html
Normal file
@@ -0,0 +1,111 @@
|
||||
|
||||
<div class="tab-wrap">
|
||||
|
||||
|
||||
<input type="radio" id="servers_added_go" name="servers_added" class="tab" checked>
|
||||
|
||||
<label for="servers_added_go" class="api-lang" data-language="go">Go</label>
|
||||
|
||||
|
||||
<input type="radio" id="servers_added_java" name="servers_added" class="tab">
|
||||
|
||||
<label for="servers_added_java" class="api-lang" data-language="java">Java</label>
|
||||
|
||||
|
||||
<input type="radio" id="servers_added_js" name="servers_added" class="tab">
|
||||
|
||||
<label for="servers_added_js" class="api-lang" data-language="js">JavaScript</label>
|
||||
|
||||
|
||||
<input type="radio" id="servers_added_py" name="servers_added" class="tab">
|
||||
|
||||
<label for="servers_added_py" class="api-lang" data-language="py">Python</label>
|
||||
|
||||
|
||||
<input type="radio" id="servers_added_ruby" name="servers_added" class="tab">
|
||||
|
||||
<label for="servers_added_ruby" class="api-lang" data-language="ruby">Ruby</label>
|
||||
|
||||
|
||||
<input type="radio" id="servers_added_ts" name="servers_added" class="tab">
|
||||
|
||||
<label for="servers_added_ts" class="api-lang" data-language="ts">TypeScript</label>
|
||||
|
||||
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="servers_added_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/servers_added/main.go#L10-25"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">// Be notified if a new server joins the cluster.
|
||||
// Print all the known servers and the only the ones that were discovered.
|
||||
nc, err := nats.Connect("demo.nats.io",
|
||||
nats.DiscoveredServersHandler(func(nc *nats.Conn) {
|
||||
log.Printf("Known servers: %v\n", nc.Servers())
|
||||
log.Printf("Discovered servers: %v\n", nc.DiscoveredServers())
|
||||
}))
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
defer nc.Close()
|
||||
|
||||
// Do something with the connection
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="servers_added_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/ListenForNewServers.java#L8-37"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java">class ServersAddedListener implements ConnectionListener {
|
||||
public void connectionEvent(Connection nc, Events event) {
|
||||
if (event == Events.DISCOVERED_SERVERS) {
|
||||
for (String server : nc.getServers()) {
|
||||
System.out.println("Known server: "+server);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public class ListenForNewServers {
|
||||
public static void main(String[] args) {
|
||||
|
||||
try {
|
||||
Options options = new Options.Builder().
|
||||
server("nats://demo.nats.io:4222").
|
||||
connectionListener(new ServersAddedListener()). // Set the listener
|
||||
build();
|
||||
Connection nc = Nats.connect(options);
|
||||
|
||||
// Do something with the connection
|
||||
|
||||
nc.close();
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
}
|
||||
}
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="servers_added_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/event_samples.js#L56-61"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">let nc = NATS.connect("nats://demo.nats.io:4222");
|
||||
nc.on('serversDiscovered', (urls) => {
|
||||
t.log('serversDiscovered', urls);
|
||||
});
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="servers_added_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/notapplicable.txt#L13-15"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python"># Asyncio NATS client does not support discovered servers handler right now
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="servers_added_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/notapplicable.txt#L25-27"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby"># The Ruby NATS client does not support discovered servers handler right now
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="servers_added_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/event_samples.ts#L36-40"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">nc.on('serversChanged', (ce) => {
|
||||
t.log('servers changed\n', 'added: ',ce.added, 'removed:', ce.removed);
|
||||
});
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
154
developer/examples/slow_listener.html
Normal file
154
developer/examples/slow_listener.html
Normal file
@@ -0,0 +1,154 @@
|
||||
|
||||
<div class="tab-wrap">
|
||||
|
||||
|
||||
<input type="radio" id="slow_listener_go" name="slow_listener" class="tab" checked>
|
||||
|
||||
<label for="slow_listener_go" class="api-lang" data-language="go">Go</label>
|
||||
|
||||
|
||||
<input type="radio" id="slow_listener_java" name="slow_listener" class="tab">
|
||||
|
||||
<label for="slow_listener_java" class="api-lang" data-language="java">Java</label>
|
||||
|
||||
|
||||
<input type="radio" id="slow_listener_js" name="slow_listener" class="tab">
|
||||
|
||||
<label for="slow_listener_js" class="api-lang" data-language="js">JavaScript</label>
|
||||
|
||||
|
||||
<input type="radio" id="slow_listener_py" name="slow_listener" class="tab">
|
||||
|
||||
<label for="slow_listener_py" class="api-lang" data-language="py">Python</label>
|
||||
|
||||
|
||||
<input type="radio" id="slow_listener_ruby" name="slow_listener" class="tab">
|
||||
|
||||
<label for="slow_listener_ruby" class="api-lang" data-language="ruby">Ruby</label>
|
||||
|
||||
|
||||
<input type="radio" id="slow_listener_ts" name="slow_listener" class="tab">
|
||||
|
||||
<label for="slow_listener_ts" class="api-lang" data-language="ts">TypeScript</label>
|
||||
|
||||
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="slow_listener_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/slow_listener/main.go#L10-27"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">// Set the callback that will be invoked when an asynchronous error occurs.
|
||||
nc, err := nats.Connect("demo.nats.io",
|
||||
nats.ErrorHandler(func(nc *nats.Conn, sub *nats.Subscription, err error) {
|
||||
if err == nats.ErrSlowConsumer {
|
||||
dropped, _ := sub.Dropped()
|
||||
log.Printf("Slow consumer on subject %s dropped %d messages\n",
|
||||
sub.Subject, dropped)
|
||||
}
|
||||
}))
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
defer nc.Close()
|
||||
|
||||
// Do something with the connection
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="slow_listener_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/SlowConsumerListener.java#L9-43"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java">class SlowConsumerReporter implements ErrorListener {
|
||||
public void errorOccurred(Connection conn, String error)
|
||||
{
|
||||
}
|
||||
|
||||
public void exceptionOccurred(Connection conn, Exception exp) {
|
||||
}
|
||||
|
||||
// Detect slow consumers
|
||||
public void slowConsumerDetected(Connection conn, Consumer consumer) {
|
||||
// Get the dropped count
|
||||
System.out.println("A slow consumer dropped messages: "+ consumer.getDroppedCount());
|
||||
}
|
||||
}
|
||||
|
||||
public class SlowConsumerListener {
|
||||
public static void main(String[] args) {
|
||||
|
||||
try {
|
||||
Options options = new Options.Builder().
|
||||
server("nats://demo.nats.io:4222").
|
||||
errorListener(new SlowConsumerReporter()). // Set the listener
|
||||
build();
|
||||
Connection nc = Nats.connect(options);
|
||||
|
||||
// Do something with the connection
|
||||
|
||||
nc.close();
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
}
|
||||
}
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="slow_listener_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/options_samples.js#L114-116"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">// slow consumer detection is not configurable on node-nats
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="slow_listener_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/slow_listener.py#L7-50"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python">
|
||||
nc = NATS()
|
||||
|
||||
async def error_cb(e):
|
||||
if type(e) is nats.aio.errors.ErrSlowConsumer:
|
||||
print("Slow consumer error, unsubscribing from handling further messages...")
|
||||
await nc.unsubscribe(e.sid)
|
||||
|
||||
await nc.connect(
|
||||
servers=["nats://demo.nats.io:4222"],
|
||||
error_cb=error_cb,
|
||||
)
|
||||
|
||||
msgs = []
|
||||
future = asyncio.Future()
|
||||
async def cb(msg):
|
||||
nonlocal msgs
|
||||
nonlocal future
|
||||
print(msg)
|
||||
msgs.append(msg)
|
||||
|
||||
if len(msgs) == 3:
|
||||
# Head of line blocking on other messages caused
|
||||
# by single message proccesing taking long...
|
||||
await asyncio.sleep(1)
|
||||
|
||||
await nc.subscribe("updates", cb=cb, pending_msgs_limit=5)
|
||||
|
||||
for i in range(0, 10):
|
||||
await nc.publish("updates", "msg #{}".format(i).encode())
|
||||
await asyncio.sleep(0)
|
||||
|
||||
try:
|
||||
await asyncio.wait_for(future, 1)
|
||||
except asyncio.TimeoutError:
|
||||
pass
|
||||
|
||||
for msg in msgs:
|
||||
print("[Received]", msg)
|
||||
|
||||
await nc.close()
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="slow_listener_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/notapplicable.txt#L21-23"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby"># The Ruby NATS client currently does not have option to customize slow consumer limits per sub.
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="slow_listener_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/options_samples.ts#L82-84"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">// slow consumer detection is not configurable on ts-nats
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
121
developer/examples/slow_pending_limits.html
Normal file
121
developer/examples/slow_pending_limits.html
Normal file
@@ -0,0 +1,121 @@
|
||||
|
||||
<div class="tab-wrap">
|
||||
|
||||
|
||||
<input type="radio" id="slow_pending_limits_go" name="slow_pending_limits" class="tab" checked>
|
||||
|
||||
<label for="slow_pending_limits_go" class="api-lang" data-language="go">Go</label>
|
||||
|
||||
|
||||
<input type="radio" id="slow_pending_limits_java" name="slow_pending_limits" class="tab">
|
||||
|
||||
<label for="slow_pending_limits_java" class="api-lang" data-language="java">Java</label>
|
||||
|
||||
|
||||
<input type="radio" id="slow_pending_limits_js" name="slow_pending_limits" class="tab">
|
||||
|
||||
<label for="slow_pending_limits_js" class="api-lang" data-language="js">JavaScript</label>
|
||||
|
||||
|
||||
<input type="radio" id="slow_pending_limits_py" name="slow_pending_limits" class="tab">
|
||||
|
||||
<label for="slow_pending_limits_py" class="api-lang" data-language="py">Python</label>
|
||||
|
||||
|
||||
<input type="radio" id="slow_pending_limits_ruby" name="slow_pending_limits" class="tab">
|
||||
|
||||
<label for="slow_pending_limits_ruby" class="api-lang" data-language="ruby">Ruby</label>
|
||||
|
||||
|
||||
<input type="radio" id="slow_pending_limits_ts" name="slow_pending_limits" class="tab">
|
||||
|
||||
<label for="slow_pending_limits_ts" class="api-lang" data-language="ts">TypeScript</label>
|
||||
|
||||
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="slow_pending_limits_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/sub_pending_limits/main.go#L10-37"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">nc, err := nats.Connect("demo.nats.io")
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
defer nc.Close()
|
||||
|
||||
// Subscribe
|
||||
sub1, err := nc.Subscribe("updates", func(m *nats.Msg) {})
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
|
||||
// Set limits of 1000 messages or 5MB, whichever comes first
|
||||
sub1.SetPendingLimits(1000, 5*1024*1024)
|
||||
|
||||
// Subscribe
|
||||
sub2, err := nc.Subscribe("updates", func(m *nats.Msg) {})
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
|
||||
// Set no limits for this subscription
|
||||
sub2.SetPendingLimits(-1, -1)
|
||||
|
||||
// Close the connection
|
||||
nc.Close()
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="slow_pending_limits_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/SetPendingLimits.java#L12-32"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java">Connection nc = Nats.connect("nats://demo.nats.io:4222");
|
||||
|
||||
Dispatcher d = nc.createDispatcher((msg) -> {
|
||||
// do something
|
||||
});
|
||||
|
||||
d.subscribe("updates");
|
||||
|
||||
d.setPendingLimits(1_000, 5 * 1024 * 1024); // Set limits on a dispatcher
|
||||
|
||||
// Subscribe
|
||||
Subscription sub = nc.subscribe("updates");
|
||||
|
||||
sub.setPendingLimits(1_000, 5 * 1024 * 1024); // Set limits on a subscription
|
||||
|
||||
// Do something
|
||||
|
||||
// Close the connection
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="slow_pending_limits_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/options_samples.js#L107-109"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">// slow pending limits are not configurable on node-nats
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="slow_pending_limits_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/sub_pending_limits.py#L6-20"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python">nc = NATS()
|
||||
|
||||
await nc.connect(servers=["nats://demo.nats.io:4222"])
|
||||
|
||||
future = asyncio.Future()
|
||||
|
||||
async def cb(msg):
|
||||
nonlocal future
|
||||
future.set_result(msg)
|
||||
|
||||
# Set limits of 1000 messages or 5MB
|
||||
await nc.subscribe("updates", cb=cb, pending_bytes_limit=5*1024*1024, pending_msgs_limit=1000)
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="slow_pending_limits_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/notapplicable.txt#L17-19"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby"># The Ruby NATS client currently does not have option to customize slow consumer limits per sub.
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="slow_pending_limits_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/options_samples.ts#L75-77"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">// slow pending limits are not configurable on ts-nats
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
195
developer/examples/subscribe_arrow.html
Normal file
195
developer/examples/subscribe_arrow.html
Normal file
@@ -0,0 +1,195 @@
|
||||
|
||||
<div class="tab-wrap">
|
||||
|
||||
|
||||
<input type="radio" id="subscribe_arrow_go" name="subscribe_arrow" class="tab" checked>
|
||||
|
||||
<label for="subscribe_arrow_go" class="api-lang" data-language="go">Go</label>
|
||||
|
||||
|
||||
<input type="radio" id="subscribe_arrow_java" name="subscribe_arrow" class="tab">
|
||||
|
||||
<label for="subscribe_arrow_java" class="api-lang" data-language="java">Java</label>
|
||||
|
||||
|
||||
<input type="radio" id="subscribe_arrow_js" name="subscribe_arrow" class="tab">
|
||||
|
||||
<label for="subscribe_arrow_js" class="api-lang" data-language="js">JavaScript</label>
|
||||
|
||||
|
||||
<input type="radio" id="subscribe_arrow_py" name="subscribe_arrow" class="tab">
|
||||
|
||||
<label for="subscribe_arrow_py" class="api-lang" data-language="py">Python</label>
|
||||
|
||||
|
||||
<input type="radio" id="subscribe_arrow_ruby" name="subscribe_arrow" class="tab">
|
||||
|
||||
<label for="subscribe_arrow_ruby" class="api-lang" data-language="ruby">Ruby</label>
|
||||
|
||||
|
||||
<input type="radio" id="subscribe_arrow_ts" name="subscribe_arrow" class="tab">
|
||||
|
||||
<label for="subscribe_arrow_ts" class="api-lang" data-language="ts">TypeScript</label>
|
||||
|
||||
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="subscribe_arrow_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/subscribe_arrow/main.go#L11-35"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">nc, err := nats.Connect("demo.nats.io")
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
defer nc.Close()
|
||||
|
||||
// Use a WaitGroup to wait for 4 messages to arrive
|
||||
wg := sync.WaitGroup{}
|
||||
wg.Add(4)
|
||||
|
||||
// Subscribe
|
||||
if _, err := nc.Subscribe("time.>", func(m *nats.Msg) {
|
||||
log.Printf("%s: %s", m.Subject, m.Data)
|
||||
wg.Done()
|
||||
}); err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
|
||||
// Wait for the 4 messages to come in
|
||||
wg.Wait()
|
||||
|
||||
// Close the connection
|
||||
nc.Close()
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="subscribe_arrow_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/SubscribeArrow.java#L14-36"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java">Connection nc = Nats.connect("nats://demo.nats.io:4222");
|
||||
|
||||
// Use a latch to wait for 4 messages to arrive
|
||||
CountDownLatch latch = new CountDownLatch(4);
|
||||
|
||||
// Create a dispatcher and inline message handler
|
||||
Dispatcher d = nc.createDispatcher((msg) -> {
|
||||
String subject = msg.getSubject();
|
||||
String str = new String(msg.getData(), StandardCharsets.UTF_8);
|
||||
System.out.println(subject + ": " + str);
|
||||
latch.countDown();
|
||||
});
|
||||
|
||||
// Subscribe
|
||||
d.subscribe("time.>");
|
||||
|
||||
// Wait for messages to come in
|
||||
latch.await();
|
||||
|
||||
// Close the connection
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="subscribe_arrow_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/subscriber_samples.js#L176-199"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">nc.subscribe('time.>', (msg, reply, subject) => {
|
||||
// converting timezones correctly in node requires a library
|
||||
// this doesn't take into account *many* things.
|
||||
let time = "";
|
||||
switch (subject) {
|
||||
case 'time.us.east':
|
||||
time = new Date().toLocaleTimeString("en-us", {timeZone: "America/New_York"});
|
||||
break;
|
||||
case 'time.us.central':
|
||||
time = new Date().toLocaleTimeString("en-us", {timeZone: "America/Chicago"});
|
||||
break;
|
||||
case 'time.us.mountain':
|
||||
time = new Date().toLocaleTimeString("en-us", {timeZone: "America/Denver"});
|
||||
break;
|
||||
case 'time.us.west':
|
||||
time = new Date().toLocaleTimeString("en-us", {timeZone: "America/Los_Angeles"});
|
||||
break;
|
||||
default:
|
||||
time = "I don't know what you are talking about Willis";
|
||||
}
|
||||
t.log(subject, time);
|
||||
});
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="subscribe_arrow_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/subscribe_arrow.py#L6-30"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python">nc = NATS()
|
||||
|
||||
await nc.connect(servers=["nats://demo.nats.io:4222"])
|
||||
|
||||
# Use queue to wait for 4 messages to arrive
|
||||
queue = asyncio.Queue()
|
||||
async def cb(msg):
|
||||
await queue.put(msg)
|
||||
|
||||
await nc.subscribe("time.>", cb=cb)
|
||||
|
||||
# Send 2 messages and wait for them to come in
|
||||
await nc.publish("time.A.east", b'A')
|
||||
await nc.publish("time.B.east", b'B')
|
||||
await nc.publish("time.C.west", b'C')
|
||||
await nc.publish("time.D.west", b'D')
|
||||
|
||||
for i in range(0, 4):
|
||||
msg = await queue.get()
|
||||
print("Msg:", msg)
|
||||
|
||||
await nc.close()
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="subscribe_arrow_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/subscribe_arrow.rb#L1-26"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby">require 'nats/client'
|
||||
require 'fiber'
|
||||
|
||||
NATS.start(servers:["nats://127.0.0.1:4222"]) do |nc|
|
||||
Fiber.new do
|
||||
f = Fiber.current
|
||||
|
||||
nc.subscribe("time.>") do |msg, reply|
|
||||
f.resume Time.now.to_f
|
||||
end
|
||||
|
||||
nc.publish("time.A.east", "A")
|
||||
nc.publish("time.B.east", "B")
|
||||
nc.publish("time.C.west", "C")
|
||||
nc.publish("time.D.west", "D")
|
||||
|
||||
# Use the response
|
||||
4.times do
|
||||
msg = Fiber.yield
|
||||
puts "Msg: #{msg}"
|
||||
end
|
||||
end.resume
|
||||
end
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="subscribe_arrow_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/subscriber_samples.ts#L156-179"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">await nc.subscribe('time.>', (err, msg) => {
|
||||
// converting timezones correctly in node requires a library
|
||||
// this doesn't take into account *many* things.
|
||||
let time = "";
|
||||
switch (msg.subject) {
|
||||
case 'time.us.east':
|
||||
time = new Date().toLocaleTimeString("en-us", {timeZone: "America/New_York"});
|
||||
break;
|
||||
case 'time.us.central':
|
||||
time = new Date().toLocaleTimeString("en-us", {timeZone: "America/Chicago"});
|
||||
break;
|
||||
case 'time.us.mountain':
|
||||
time = new Date().toLocaleTimeString("en-us", {timeZone: "America/Denver"});
|
||||
break;
|
||||
case 'time.us.west':
|
||||
time = new Date().toLocaleTimeString("en-us", {timeZone: "America/Los_Angeles"});
|
||||
break;
|
||||
default:
|
||||
time = "I don't know what you are talking about Willis";
|
||||
}
|
||||
t.log(msg.subject, time);
|
||||
});
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
140
developer/examples/subscribe_async.html
Normal file
140
developer/examples/subscribe_async.html
Normal file
@@ -0,0 +1,140 @@
|
||||
|
||||
<div class="tab-wrap">
|
||||
|
||||
|
||||
<input type="radio" id="subscribe_async_go" name="subscribe_async" class="tab" checked>
|
||||
|
||||
<label for="subscribe_async_go" class="api-lang" data-language="go">Go</label>
|
||||
|
||||
|
||||
<input type="radio" id="subscribe_async_java" name="subscribe_async" class="tab">
|
||||
|
||||
<label for="subscribe_async_java" class="api-lang" data-language="java">Java</label>
|
||||
|
||||
|
||||
<input type="radio" id="subscribe_async_js" name="subscribe_async" class="tab">
|
||||
|
||||
<label for="subscribe_async_js" class="api-lang" data-language="js">JavaScript</label>
|
||||
|
||||
|
||||
<input type="radio" id="subscribe_async_py" name="subscribe_async" class="tab">
|
||||
|
||||
<label for="subscribe_async_py" class="api-lang" data-language="py">Python</label>
|
||||
|
||||
|
||||
<input type="radio" id="subscribe_async_ruby" name="subscribe_async" class="tab">
|
||||
|
||||
<label for="subscribe_async_ruby" class="api-lang" data-language="ruby">Ruby</label>
|
||||
|
||||
|
||||
<input type="radio" id="subscribe_async_ts" name="subscribe_async" class="tab">
|
||||
|
||||
<label for="subscribe_async_ts" class="api-lang" data-language="ts">TypeScript</label>
|
||||
|
||||
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="subscribe_async_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/subscribe_async/main.go#L11-34"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">nc, err := nats.Connect("demo.nats.io")
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
defer nc.Close()
|
||||
|
||||
// Use a WaitGroup to wait for a message to arrive
|
||||
wg := sync.WaitGroup{}
|
||||
wg.Add(1)
|
||||
|
||||
// Subscribe
|
||||
if _, err := nc.Subscribe("updates", func(m *nats.Msg) {
|
||||
wg.Done()
|
||||
}); err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
|
||||
// Wait for a message to come in
|
||||
wg.Wait()
|
||||
|
||||
// Close the connection
|
||||
nc.Close()
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="subscribe_async_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/SubscribeAsync.java#L14-35"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java">Connection nc = Nats.connect("nats://demo.nats.io:4222");
|
||||
|
||||
// Use a latch to wait for a message to arrive
|
||||
CountDownLatch latch = new CountDownLatch(1);
|
||||
|
||||
// Create a dispatcher and inline message handler
|
||||
Dispatcher d = nc.createDispatcher((msg) -> {
|
||||
String str = new String(msg.getData(), StandardCharsets.UTF_8);
|
||||
System.out.println(str);
|
||||
latch.countDown();
|
||||
});
|
||||
|
||||
// Subscribe
|
||||
d.subscribe("updates");
|
||||
|
||||
// Wait for a message to come in
|
||||
latch.await();
|
||||
|
||||
// Close the connection
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="subscribe_async_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/subscriber_samples.js#L9-13"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">nc.subscribe("updates", (msg) => {
|
||||
t.log(msg);
|
||||
});
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="subscribe_async_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/subscribe_async.py#L6-24"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python">nc = NATS()
|
||||
|
||||
await nc.connect(servers=["nats://demo.nats.io:4222"])
|
||||
|
||||
future = asyncio.Future()
|
||||
|
||||
async def cb(msg):
|
||||
nonlocal future
|
||||
future.set_result(msg)
|
||||
|
||||
await nc.subscribe("updates", cb=cb)
|
||||
await nc.publish("updates", b'All is Well')
|
||||
await nc.flush()
|
||||
|
||||
# Wait for message to come in
|
||||
msg = await asyncio.wait_for(future, 1)
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="subscribe_async_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/subscribe_async.rb#L1-13"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby">require 'nats/client'
|
||||
|
||||
NATS.start(servers:["nats://127.0.0.1:4222"]) do |nc|
|
||||
nc.subscribe("updates") do |msg|
|
||||
puts msg
|
||||
nc.close
|
||||
end
|
||||
|
||||
nc.publish("updates", "All is Well")
|
||||
end
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="subscribe_async_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/subscriber_samples.ts#L9-17"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">nc.subscribe("updates", (err, msg) => {
|
||||
if(err) {
|
||||
console.log('error', err);
|
||||
} else {
|
||||
t.log(msg.data);
|
||||
}
|
||||
});
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
189
developer/examples/subscribe_json.html
Normal file
189
developer/examples/subscribe_json.html
Normal file
@@ -0,0 +1,189 @@
|
||||
|
||||
<div class="tab-wrap">
|
||||
|
||||
|
||||
<input type="radio" id="subscribe_json_go" name="subscribe_json" class="tab" checked>
|
||||
|
||||
<label for="subscribe_json_go" class="api-lang" data-language="go">Go</label>
|
||||
|
||||
|
||||
<input type="radio" id="subscribe_json_java" name="subscribe_json" class="tab">
|
||||
|
||||
<label for="subscribe_json_java" class="api-lang" data-language="java">Java</label>
|
||||
|
||||
|
||||
<input type="radio" id="subscribe_json_js" name="subscribe_json" class="tab">
|
||||
|
||||
<label for="subscribe_json_js" class="api-lang" data-language="js">JavaScript</label>
|
||||
|
||||
|
||||
<input type="radio" id="subscribe_json_py" name="subscribe_json" class="tab">
|
||||
|
||||
<label for="subscribe_json_py" class="api-lang" data-language="py">Python</label>
|
||||
|
||||
|
||||
<input type="radio" id="subscribe_json_ruby" name="subscribe_json" class="tab">
|
||||
|
||||
<label for="subscribe_json_ruby" class="api-lang" data-language="ruby">Ruby</label>
|
||||
|
||||
|
||||
<input type="radio" id="subscribe_json_ts" name="subscribe_json" class="tab">
|
||||
|
||||
<label for="subscribe_json_ts" class="api-lang" data-language="ts">TypeScript</label>
|
||||
|
||||
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="subscribe_json_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/subscribe_json/main.go#L11-45"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">nc, err := nats.Connect("demo.nats.io")
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
defer nc.Close()
|
||||
ec, err := nats.NewEncodedConn(nc, nats.JSON_ENCODER)
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
defer ec.Close()
|
||||
|
||||
// Define the object
|
||||
type stock struct {
|
||||
Symbol string
|
||||
Price int
|
||||
}
|
||||
|
||||
wg := sync.WaitGroup{}
|
||||
wg.Add(1)
|
||||
|
||||
// Subscribe
|
||||
if _, err := ec.Subscribe("updates", func(s *stock) {
|
||||
log.Printf("Stock: %s - Price: %v", s.Symbol, s.Price)
|
||||
wg.Done()
|
||||
}); err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
|
||||
// Wait for a message to come in
|
||||
wg.Wait()
|
||||
|
||||
// Close the connection
|
||||
ec.Close()
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="subscribe_json_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/SubscribeJSON.java#L12-57"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java">class StockForJsonSub {
|
||||
public String symbol;
|
||||
public float price;
|
||||
|
||||
public String toString() {
|
||||
return symbol + " is at " + price;
|
||||
}
|
||||
}
|
||||
|
||||
public class SubscribeJSON {
|
||||
public static void main(String[] args) {
|
||||
|
||||
try {
|
||||
Connection nc = Nats.connect("nats://demo.nats.io:4222");
|
||||
|
||||
// Use a latch to wait for 10 messages to arrive
|
||||
CountDownLatch latch = new CountDownLatch(10);
|
||||
|
||||
// Create a dispatcher and inline message handler
|
||||
Dispatcher d = nc.createDispatcher((msg) -> {
|
||||
Gson gson = new Gson();
|
||||
|
||||
String json = new String(msg.getData(), StandardCharsets.UTF_8);
|
||||
StockForJsonSub stk = gson.fromJson(json, StockForJsonSub.class);
|
||||
|
||||
// Use the object
|
||||
System.out.println(stk);
|
||||
|
||||
latch.countDown();
|
||||
});
|
||||
|
||||
// Subscribe
|
||||
d.subscribe("updates");
|
||||
|
||||
// Wait for a message to come in
|
||||
latch.await();
|
||||
|
||||
// Close the connection
|
||||
nc.close();
|
||||
} catch (Exception e) {
|
||||
e.printStackTrace();
|
||||
}
|
||||
}
|
||||
}
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="subscribe_json_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/subscriber_samples.js#L76-88"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">let nc = NATS.connect({
|
||||
url: "nats://demo.nats.io:4222",
|
||||
json: true
|
||||
});
|
||||
|
||||
nc.subscribe('updates', (msg) => {
|
||||
if(msg && msg.ticker === 'TSLA') {
|
||||
t.log('got message:', msg);
|
||||
}
|
||||
});
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="subscribe_json_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/subscribe_json.py#L1-23"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python">import asyncio
|
||||
import json
|
||||
from nats.aio.client import Client as NATS
|
||||
from nats.aio.errors import ErrTimeout
|
||||
|
||||
async def run(loop):
|
||||
nc = NATS()
|
||||
|
||||
await nc.connect(servers=["nats://127.0.0.1:4222"], loop=loop)
|
||||
|
||||
async def message_handler(msg):
|
||||
data = json.loads(msg.data.decode())
|
||||
print(data)
|
||||
|
||||
sid = await nc.subscribe("updates", cb=message_handler)
|
||||
await nc.flush()
|
||||
|
||||
await nc.auto_unsubscribe(sid, 2)
|
||||
await nc.publish("updates", json.dumps({"symbol": "GOOG", "price": 1200 }).encode())
|
||||
await asyncio.sleep(1, loop=loop)
|
||||
await nc.close()
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="subscribe_json_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/subscribe_json.rb#L1-13"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby">require 'nats/client'
|
||||
require 'json'
|
||||
|
||||
NATS.start(servers:["nats://127.0.0.1:4222"]) do |nc|
|
||||
nc.subscribe("updates") do |msg|
|
||||
m = JSON.parse(msg)
|
||||
|
||||
# {"symbol"=>"GOOG", "price"=>12}
|
||||
p m
|
||||
end
|
||||
end
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="subscribe_json_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/subscriber_samples.ts#L70-80"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">let nc = await connect({
|
||||
url: "nats://demo.nats.io:4222",
|
||||
payload: Payload.JSON
|
||||
});
|
||||
|
||||
nc.subscribe('updates', (err, msg) => {
|
||||
t.log('got message:', msg.data ? msg.data : "no payload");
|
||||
});
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
143
developer/examples/subscribe_queue.html
Normal file
143
developer/examples/subscribe_queue.html
Normal file
@@ -0,0 +1,143 @@
|
||||
|
||||
<div class="tab-wrap">
|
||||
|
||||
|
||||
<input type="radio" id="subscribe_queue_go" name="subscribe_queue" class="tab" checked>
|
||||
|
||||
<label for="subscribe_queue_go" class="api-lang" data-language="go">Go</label>
|
||||
|
||||
|
||||
<input type="radio" id="subscribe_queue_java" name="subscribe_queue" class="tab">
|
||||
|
||||
<label for="subscribe_queue_java" class="api-lang" data-language="java">Java</label>
|
||||
|
||||
|
||||
<input type="radio" id="subscribe_queue_js" name="subscribe_queue" class="tab">
|
||||
|
||||
<label for="subscribe_queue_js" class="api-lang" data-language="js">JavaScript</label>
|
||||
|
||||
|
||||
<input type="radio" id="subscribe_queue_py" name="subscribe_queue" class="tab">
|
||||
|
||||
<label for="subscribe_queue_py" class="api-lang" data-language="py">Python</label>
|
||||
|
||||
|
||||
<input type="radio" id="subscribe_queue_ruby" name="subscribe_queue" class="tab">
|
||||
|
||||
<label for="subscribe_queue_ruby" class="api-lang" data-language="ruby">Ruby</label>
|
||||
|
||||
|
||||
<input type="radio" id="subscribe_queue_ts" name="subscribe_queue" class="tab">
|
||||
|
||||
<label for="subscribe_queue_ts" class="api-lang" data-language="ts">TypeScript</label>
|
||||
|
||||
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="subscribe_queue_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/subscribe_queue/main.go#L11-34"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">nc, err := nats.Connect("demo.nats.io")
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
defer nc.Close()
|
||||
|
||||
// Use a WaitGroup to wait for 10 messages to arrive
|
||||
wg := sync.WaitGroup{}
|
||||
wg.Add(10)
|
||||
|
||||
// Create a queue subscription on "updates" with queue name "workers"
|
||||
if _, err := nc.QueueSubscribe("updates", "worker", func(m *nats.Msg) {
|
||||
wg.Done()
|
||||
}); err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
|
||||
// Wait for messages to come in
|
||||
wg.Wait()
|
||||
|
||||
// Close the connection
|
||||
nc.Close()
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="subscribe_queue_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/SubscribeQueue.java#L14-35"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java">Connection nc = Nats.connect("nats://demo.nats.io:4222");
|
||||
|
||||
// Use a latch to wait for 10 messages to arrive
|
||||
CountDownLatch latch = new CountDownLatch(10);
|
||||
|
||||
// Create a dispatcher and inline message handler
|
||||
Dispatcher d = nc.createDispatcher((msg) -> {
|
||||
String str = new String(msg.getData(), StandardCharsets.UTF_8);
|
||||
System.out.println(str);
|
||||
latch.countDown();
|
||||
});
|
||||
|
||||
// Subscribe
|
||||
d.subscribe("updates", "workers");
|
||||
|
||||
// Wait for a message to come in
|
||||
latch.await();
|
||||
|
||||
// Close the connection
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="subscribe_queue_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/subscriber_samples.js#L217-221"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">nc.subscribe('updates', {queue: "workers"}, (msg) => {
|
||||
t.log('worker got message', msg);
|
||||
});
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="subscribe_queue_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/subscribe_queue.py#L6-23"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python">nc = NATS()
|
||||
|
||||
await nc.connect(servers=["nats://demo.nats.io:4222"])
|
||||
|
||||
future = asyncio.Future()
|
||||
|
||||
async def cb(msg):
|
||||
nonlocal future
|
||||
future.set_result(msg)
|
||||
|
||||
await nc.subscribe("updates", queue="workers", cb=cb)
|
||||
await nc.publish("updates", b'All is Well')
|
||||
|
||||
msg = await asyncio.wait_for(future, 1)
|
||||
print("Msg", msg)
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="subscribe_queue_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/subscribe_queue.rb#L1-21"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby">require 'nats/client'
|
||||
require 'fiber'
|
||||
|
||||
NATS.start(servers:["nats://127.0.0.1:4222"]) do |nc|
|
||||
Fiber.new do
|
||||
f = Fiber.current
|
||||
|
||||
nc.subscribe("updates", queue: "worker") do |msg, reply|
|
||||
f.resume Time.now
|
||||
end
|
||||
|
||||
nc.publish("updates", "A")
|
||||
|
||||
# Use the response
|
||||
msg = Fiber.yield
|
||||
puts "Msg: #{msg}"
|
||||
end.resume
|
||||
end
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="subscribe_queue_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/subscriber_samples.ts#L193-197"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">await nc.subscribe('updates', (err, msg) => {
|
||||
t.log('worker got message', msg.data);
|
||||
}, {queue: "workers"});
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
193
developer/examples/subscribe_star.html
Normal file
193
developer/examples/subscribe_star.html
Normal file
@@ -0,0 +1,193 @@
|
||||
|
||||
<div class="tab-wrap">
|
||||
|
||||
|
||||
<input type="radio" id="subscribe_star_go" name="subscribe_star" class="tab" checked>
|
||||
|
||||
<label for="subscribe_star_go" class="api-lang" data-language="go">Go</label>
|
||||
|
||||
|
||||
<input type="radio" id="subscribe_star_java" name="subscribe_star" class="tab">
|
||||
|
||||
<label for="subscribe_star_java" class="api-lang" data-language="java">Java</label>
|
||||
|
||||
|
||||
<input type="radio" id="subscribe_star_js" name="subscribe_star" class="tab">
|
||||
|
||||
<label for="subscribe_star_js" class="api-lang" data-language="js">JavaScript</label>
|
||||
|
||||
|
||||
<input type="radio" id="subscribe_star_py" name="subscribe_star" class="tab">
|
||||
|
||||
<label for="subscribe_star_py" class="api-lang" data-language="py">Python</label>
|
||||
|
||||
|
||||
<input type="radio" id="subscribe_star_ruby" name="subscribe_star" class="tab">
|
||||
|
||||
<label for="subscribe_star_ruby" class="api-lang" data-language="ruby">Ruby</label>
|
||||
|
||||
|
||||
<input type="radio" id="subscribe_star_ts" name="subscribe_star" class="tab">
|
||||
|
||||
<label for="subscribe_star_ts" class="api-lang" data-language="ts">TypeScript</label>
|
||||
|
||||
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="subscribe_star_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/subscribe_star/main.go#L11-35"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">nc, err := nats.Connect("demo.nats.io")
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
defer nc.Close()
|
||||
|
||||
// Use a WaitGroup to wait for 2 messages to arrive
|
||||
wg := sync.WaitGroup{}
|
||||
wg.Add(2)
|
||||
|
||||
// Subscribe
|
||||
if _, err := nc.Subscribe("time.*.east", func(m *nats.Msg) {
|
||||
log.Printf("%s: %s", m.Subject, m.Data)
|
||||
wg.Done()
|
||||
}); err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
|
||||
// Wait for the 2 messages to come in
|
||||
wg.Wait()
|
||||
|
||||
// Close the connection
|
||||
nc.Close()
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="subscribe_star_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/SubscribeStar.java#L14-36"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java">Connection nc = Nats.connect("nats://demo.nats.io:4222");
|
||||
|
||||
// Use a latch to wait for 2 messages to arrive
|
||||
CountDownLatch latch = new CountDownLatch(2);
|
||||
|
||||
// Create a dispatcher and inline message handler
|
||||
Dispatcher d = nc.createDispatcher((msg) -> {
|
||||
String subject = msg.getSubject();
|
||||
String str = new String(msg.getData(), StandardCharsets.UTF_8);
|
||||
System.out.println(subject + ": " + str);
|
||||
latch.countDown();
|
||||
});
|
||||
|
||||
// Subscribe
|
||||
d.subscribe("time.*.east");
|
||||
|
||||
// Wait for messages to come in
|
||||
latch.await();
|
||||
|
||||
// Close the connection
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="subscribe_star_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/subscriber_samples.js#L134-157"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">nc.subscribe('time.us.*', (msg, reply, subject) => {
|
||||
// converting timezones correctly in node requires a library
|
||||
// this doesn't take into account *many* things.
|
||||
let time = "";
|
||||
switch (subject) {
|
||||
case 'time.us.east':
|
||||
time = new Date().toLocaleTimeString("en-us", {timeZone: "America/New_York"});
|
||||
break;
|
||||
case 'time.us.central':
|
||||
time = new Date().toLocaleTimeString("en-us", {timeZone: "America/Chicago"});
|
||||
break;
|
||||
case 'time.us.mountain':
|
||||
time = new Date().toLocaleTimeString("en-us", {timeZone: "America/Denver"});
|
||||
break;
|
||||
case 'time.us.west':
|
||||
time = new Date().toLocaleTimeString("en-us", {timeZone: "America/Los_Angeles"});
|
||||
break;
|
||||
default:
|
||||
time = "I don't know what you are talking about Willis";
|
||||
}
|
||||
t.log(subject, time);
|
||||
});
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="subscribe_star_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/subscribe_star.py#L6-28"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python">nc = NATS()
|
||||
|
||||
await nc.connect(servers=["nats://demo.nats.io:4222"])
|
||||
|
||||
# Use queue to wait for 2 messages to arrive
|
||||
queue = asyncio.Queue()
|
||||
async def cb(msg):
|
||||
await queue.put_nowait(msg)
|
||||
|
||||
await nc.subscribe("time.*.east", cb=cb)
|
||||
|
||||
# Send 2 messages and wait for them to come in
|
||||
await nc.publish("time.A.east", b'A')
|
||||
await nc.publish("time.B.east", b'B')
|
||||
|
||||
msg_A = await queue.get()
|
||||
msg_B = await queue.get()
|
||||
|
||||
print("Msg A:", msg_A)
|
||||
print("Msg B:", msg_B)
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="subscribe_star_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/subscribe_star.rb#L1-26"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby">require 'nats/client'
|
||||
require 'fiber'
|
||||
|
||||
NATS.start(servers:["nats://127.0.0.1:4222"]) do |nc|
|
||||
Fiber.new do
|
||||
f = Fiber.current
|
||||
|
||||
nc.subscribe("time.*.east") do |msg, reply|
|
||||
f.resume Time.now
|
||||
end
|
||||
|
||||
nc.publish("time.A.east", "A")
|
||||
nc.publish("time.B.east", "B")
|
||||
|
||||
# Use the response
|
||||
msg_A = Fiber.yield
|
||||
puts "Msg A: #{msg_A}"
|
||||
|
||||
msg_B = Fiber.yield
|
||||
puts "Msg B: #{msg_B}"
|
||||
|
||||
end.resume
|
||||
end
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="subscribe_star_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/subscriber_samples.ts#L119-142"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">await nc.subscribe('time.us.*', (err, msg) => {
|
||||
// converting timezones correctly in node requires a library
|
||||
// this doesn't take into account *many* things.
|
||||
let time = "";
|
||||
switch (msg.subject) {
|
||||
case 'time.us.east':
|
||||
time = new Date().toLocaleTimeString("en-us", {timeZone: "America/New_York"});
|
||||
break;
|
||||
case 'time.us.central':
|
||||
time = new Date().toLocaleTimeString("en-us", {timeZone: "America/Chicago"});
|
||||
break;
|
||||
case 'time.us.mountain':
|
||||
time = new Date().toLocaleTimeString("en-us", {timeZone: "America/Denver"});
|
||||
break;
|
||||
case 'time.us.west':
|
||||
time = new Date().toLocaleTimeString("en-us", {timeZone: "America/Los_Angeles"});
|
||||
break;
|
||||
default:
|
||||
time = "I don't know what you are talking about Willis";
|
||||
}
|
||||
console.log(msg.subject, time);
|
||||
});
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
100
developer/examples/subscribe_sync.html
Normal file
100
developer/examples/subscribe_sync.html
Normal file
@@ -0,0 +1,100 @@
|
||||
|
||||
<div class="tab-wrap">
|
||||
|
||||
|
||||
<input type="radio" id="subscribe_sync_go" name="subscribe_sync" class="tab" checked>
|
||||
|
||||
<label for="subscribe_sync_go" class="api-lang" data-language="go">Go</label>
|
||||
|
||||
|
||||
<input type="radio" id="subscribe_sync_java" name="subscribe_sync" class="tab">
|
||||
|
||||
<label for="subscribe_sync_java" class="api-lang" data-language="java">Java</label>
|
||||
|
||||
|
||||
<input type="radio" id="subscribe_sync_js" name="subscribe_sync" class="tab">
|
||||
|
||||
<label for="subscribe_sync_js" class="api-lang" data-language="js">JavaScript</label>
|
||||
|
||||
|
||||
<input type="radio" id="subscribe_sync_py" name="subscribe_sync" class="tab">
|
||||
|
||||
<label for="subscribe_sync_py" class="api-lang" data-language="py">Python</label>
|
||||
|
||||
|
||||
<input type="radio" id="subscribe_sync_ruby" name="subscribe_sync" class="tab">
|
||||
|
||||
<label for="subscribe_sync_ruby" class="api-lang" data-language="ruby">Ruby</label>
|
||||
|
||||
|
||||
<input type="radio" id="subscribe_sync_ts" name="subscribe_sync" class="tab">
|
||||
|
||||
<label for="subscribe_sync_ts" class="api-lang" data-language="ts">TypeScript</label>
|
||||
|
||||
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="subscribe_sync_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/subscribe_sync/main.go#L11-35"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">nc, err := nats.Connect("demo.nats.io")
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
defer nc.Close()
|
||||
|
||||
// Subscribe
|
||||
sub, err := nc.SubscribeSync("updates")
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
|
||||
// Wait for a message
|
||||
msg, err := sub.NextMsg(10 * time.Second)
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
|
||||
// Use the response
|
||||
log.Printf("Reply: %s", msg.Data)
|
||||
|
||||
// Close the connection
|
||||
nc.Close()
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="subscribe_sync_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/SubscribeSync.java#L15-29"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java">Connection nc = Nats.connect("nats://demo.nats.io:4222");
|
||||
|
||||
// Subscribe
|
||||
Subscription sub = nc.subscribe("updates");
|
||||
|
||||
// Read a message
|
||||
Message msg = sub.nextMessage(Duration.ZERO);
|
||||
|
||||
String str = new String(msg.getData(), StandardCharsets.UTF_8);
|
||||
System.out.println(str);
|
||||
|
||||
// Close the connection
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="subscribe_sync_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/subscriber_samples.js#L246-248"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">// node-nats subscriptions are always async.
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="subscribe_sync_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/notapplicable.txt#L9-11"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python"># Asyncio NATS client currently does not have a sync subscribe API
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="subscribe_sync_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/notapplicable.txt#L13-15"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby"># The Ruby NATS client subscriptions are all async.
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="subscribe_sync_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/subscriber_samples.ts#L238-240"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">// ts-nats subscriptions are always async.
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
162
developer/examples/subscribe_w_reply.html
Normal file
162
developer/examples/subscribe_w_reply.html
Normal file
@@ -0,0 +1,162 @@
|
||||
|
||||
<div class="tab-wrap">
|
||||
|
||||
|
||||
<input type="radio" id="subscribe_w_reply_go" name="subscribe_w_reply" class="tab" checked>
|
||||
|
||||
<label for="subscribe_w_reply_go" class="api-lang" data-language="go">Go</label>
|
||||
|
||||
|
||||
<input type="radio" id="subscribe_w_reply_java" name="subscribe_w_reply" class="tab">
|
||||
|
||||
<label for="subscribe_w_reply_java" class="api-lang" data-language="java">Java</label>
|
||||
|
||||
|
||||
<input type="radio" id="subscribe_w_reply_js" name="subscribe_w_reply" class="tab">
|
||||
|
||||
<label for="subscribe_w_reply_js" class="api-lang" data-language="js">JavaScript</label>
|
||||
|
||||
|
||||
<input type="radio" id="subscribe_w_reply_py" name="subscribe_w_reply" class="tab">
|
||||
|
||||
<label for="subscribe_w_reply_py" class="api-lang" data-language="py">Python</label>
|
||||
|
||||
|
||||
<input type="radio" id="subscribe_w_reply_ruby" name="subscribe_w_reply" class="tab">
|
||||
|
||||
<label for="subscribe_w_reply_ruby" class="api-lang" data-language="ruby">Ruby</label>
|
||||
|
||||
|
||||
<input type="radio" id="subscribe_w_reply_ts" name="subscribe_w_reply" class="tab">
|
||||
|
||||
<label for="subscribe_w_reply_ts" class="api-lang" data-language="ts">TypeScript</label>
|
||||
|
||||
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="subscribe_w_reply_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/subscribe_w_reply/main.go#L11-39"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">nc, err := nats.Connect("demo.nats.io")
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
defer nc.Close()
|
||||
|
||||
// Subscribe
|
||||
sub, err := nc.SubscribeSync("time")
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
|
||||
// Read a message
|
||||
msg, err := sub.NextMsg(10 * time.Second)
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
|
||||
// Get the time
|
||||
timeAsBytes := []byte(time.Now().String())
|
||||
|
||||
// Send the time
|
||||
nc.Publish(msg.Reply, timeAsBytes)
|
||||
|
||||
// Flush and close the connection
|
||||
nc.Flush()
|
||||
nc.Close()
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="subscribe_w_reply_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/SubscribeWithReply.java#L17-37"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java">Connection nc = Nats.connect("nats://demo.nats.io:4222");
|
||||
|
||||
// Subscribe
|
||||
Subscription sub = nc.subscribe("time");
|
||||
|
||||
// Read a message
|
||||
Message msg = sub.nextMessage(Duration.ZERO);
|
||||
|
||||
// Get the time
|
||||
Calendar cal = Calendar.getInstance();
|
||||
SimpleDateFormat sdf = new SimpleDateFormat("HH:mm:ss");
|
||||
byte[] timeAsBytes = sdf.format(cal.getTime()).getBytes(StandardCharsets.UTF_8);
|
||||
|
||||
// Send the time
|
||||
nc.publish(msg.getReplyTo(), timeAsBytes);
|
||||
|
||||
// Flush and close the connection
|
||||
nc.flush(Duration.ZERO);
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="subscribe_w_reply_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/subscriber_samples.js#L28-35"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">// set up a subscription to process a request
|
||||
nc.subscribe('time', (msg, reply) => {
|
||||
if (msg.reply) {
|
||||
nc.publish(msg.reply, new Date().toLocaleTimeString());
|
||||
}
|
||||
});
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="subscribe_w_reply_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/subscribe_w_reply.py#L8-31"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python">nc = NATS()
|
||||
|
||||
await nc.connect(servers=["nats://demo.nats.io:4222"])
|
||||
|
||||
future = asyncio.Future()
|
||||
|
||||
async def cb(msg):
|
||||
nonlocal future
|
||||
future.set_result(msg)
|
||||
|
||||
await nc.subscribe("time", cb=cb)
|
||||
|
||||
await nc.publish_request("time", new_inbox(), b'What is the time?')
|
||||
await nc.flush()
|
||||
|
||||
# Read the message
|
||||
msg = await asyncio.wait_for(future, 1)
|
||||
|
||||
# Send the time
|
||||
time_as_bytes = "{}".format(datetime.now()).encode()
|
||||
await nc.publish(msg.reply, time_as_bytes)
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="subscribe_w_reply_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/subscribe_w_reply.rb#L1-22"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby">require 'nats/client'
|
||||
require 'fiber'
|
||||
|
||||
NATS.start(servers:["nats://127.0.0.1:4222"]) do |nc|
|
||||
Fiber.new do
|
||||
f = Fiber.current
|
||||
|
||||
nc.subscribe("time") do |msg, reply|
|
||||
f.resume Time.now
|
||||
end
|
||||
|
||||
nc.publish("time", 'What is the time?', NATS.create_inbox)
|
||||
|
||||
# Use the response
|
||||
msg = Fiber.yield
|
||||
puts "Reply: #{msg}"
|
||||
|
||||
end.resume
|
||||
end
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="subscribe_w_reply_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/subscriber_samples.ts#L29-38"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">// set up a subscription to process a request
|
||||
await nc.subscribe('time', (err, msg) => {
|
||||
if (msg.reply) {
|
||||
nc.publish(msg.reply, new Date().toLocaleTimeString());
|
||||
} else {
|
||||
t.log('got a request for the time, but no reply subject was set.');
|
||||
}
|
||||
});
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
168
developer/examples/unsubscribe.html
Normal file
168
developer/examples/unsubscribe.html
Normal file
@@ -0,0 +1,168 @@
|
||||
|
||||
<div class="tab-wrap">
|
||||
|
||||
|
||||
<input type="radio" id="unsubscribe_go" name="unsubscribe" class="tab" checked>
|
||||
|
||||
<label for="unsubscribe_go" class="api-lang" data-language="go">Go</label>
|
||||
|
||||
|
||||
<input type="radio" id="unsubscribe_java" name="unsubscribe" class="tab">
|
||||
|
||||
<label for="unsubscribe_java" class="api-lang" data-language="java">Java</label>
|
||||
|
||||
|
||||
<input type="radio" id="unsubscribe_js" name="unsubscribe" class="tab">
|
||||
|
||||
<label for="unsubscribe_js" class="api-lang" data-language="js">JavaScript</label>
|
||||
|
||||
|
||||
<input type="radio" id="unsubscribe_py" name="unsubscribe" class="tab">
|
||||
|
||||
<label for="unsubscribe_py" class="api-lang" data-language="py">Python</label>
|
||||
|
||||
|
||||
<input type="radio" id="unsubscribe_ruby" name="unsubscribe" class="tab">
|
||||
|
||||
<label for="unsubscribe_ruby" class="api-lang" data-language="ruby">Ruby</label>
|
||||
|
||||
|
||||
<input type="radio" id="unsubscribe_ts" name="unsubscribe" class="tab">
|
||||
|
||||
<label for="unsubscribe_ts" class="api-lang" data-language="ts">TypeScript</label>
|
||||
|
||||
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="unsubscribe_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/unsubscribe/main.go#L10-37"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">nc, err := nats.Connect("demo.nats.io")
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
defer nc.Close()
|
||||
|
||||
// Sync Subscription
|
||||
sub, err := nc.SubscribeSync("updates")
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
if err := sub.Unsubscribe(); err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
|
||||
// Async Subscription
|
||||
sub, err = nc.Subscribe("updates", func(_ *nats.Msg) {})
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
if err := sub.Unsubscribe(); err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
|
||||
// Close the connection
|
||||
nc.Close()
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="unsubscribe_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/Unsubscribe.java#L14-31"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java">Connection nc = Nats.connect("nats://demo.nats.io:4222");
|
||||
Dispatcher d = nc.createDispatcher((msg) -> {
|
||||
String str = new String(msg.getData(), StandardCharsets.UTF_8);
|
||||
System.out.println(str);
|
||||
});
|
||||
|
||||
// Sync Subscription
|
||||
Subscription sub = nc.subscribe("updates");
|
||||
sub.unsubscribe();
|
||||
|
||||
// Async Subscription
|
||||
d.subscribe("updates");
|
||||
d.unsubscribe("updates");
|
||||
|
||||
// Close the connection
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="unsubscribe_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/subscriber_samples.js#L54-65"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">// set up a subscription to process a request
|
||||
let sub = nc.subscribe(NATS.createInbox(), (msg, reply) => {
|
||||
if (msg.reply) {
|
||||
nc.publish(reply, new Date().toLocaleTimeString());
|
||||
}
|
||||
});
|
||||
|
||||
// without arguments the subscription will cancel when the server receives it
|
||||
// you can also specify how many messages are expected by the subscription
|
||||
nc.unsubscribe(sub);
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="unsubscribe_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/unsubscribe.py#L6-26"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python">nc = NATS()
|
||||
|
||||
await nc.connect(servers=["nats://demo.nats.io:4222"])
|
||||
|
||||
future = asyncio.Future()
|
||||
|
||||
async def cb(msg):
|
||||
nonlocal future
|
||||
future.set_result(msg)
|
||||
|
||||
sid = await nc.subscribe("updates", cb=cb)
|
||||
await nc.publish("updates", b'All is Well')
|
||||
|
||||
# Remove interest in subject
|
||||
await nc.unsubscribe(sid)
|
||||
|
||||
# Won't be received...
|
||||
await nc.publish("updates", b'...')
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="unsubscribe_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/unsubscribe.rb#L1-27"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby">require 'nats/client'
|
||||
require 'fiber'
|
||||
|
||||
NATS.start(servers:["nats://127.0.0.1:4222"]) do |nc|
|
||||
Fiber.new do
|
||||
f = Fiber.current
|
||||
|
||||
sid = nc.subscribe("time") do |msg, reply|
|
||||
f.resume Time.now
|
||||
end
|
||||
|
||||
nc.publish("time", 'What is the time?', NATS.create_inbox)
|
||||
|
||||
# Use the response
|
||||
msg = Fiber.yield
|
||||
puts "Reply: #{msg}"
|
||||
|
||||
nc.unsubscribe(sid)
|
||||
|
||||
# Won't be received
|
||||
nc.publish("time", 'What is the time?', NATS.create_inbox)
|
||||
|
||||
end.resume
|
||||
end
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="unsubscribe_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/subscriber_samples.ts#L51-64"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">// set up a subscription to process a request
|
||||
let sub = await nc.subscribe(createInbox(), (err, msg) => {
|
||||
if (msg.reply) {
|
||||
nc.publish(msg.reply, new Date().toLocaleTimeString());
|
||||
} else {
|
||||
t.log('got a request for the time, but no reply subject was set.');
|
||||
}
|
||||
});
|
||||
|
||||
// without arguments the subscription will cancel when the server receives it
|
||||
// you can also specify how many messages are expected by the subscription
|
||||
sub.unsubscribe();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
167
developer/examples/unsubscribe_auto.html
Normal file
167
developer/examples/unsubscribe_auto.html
Normal file
@@ -0,0 +1,167 @@
|
||||
|
||||
<div class="tab-wrap">
|
||||
|
||||
|
||||
<input type="radio" id="unsubscribe_auto_go" name="unsubscribe_auto" class="tab" checked>
|
||||
|
||||
<label for="unsubscribe_auto_go" class="api-lang" data-language="go">Go</label>
|
||||
|
||||
|
||||
<input type="radio" id="unsubscribe_auto_java" name="unsubscribe_auto" class="tab">
|
||||
|
||||
<label for="unsubscribe_auto_java" class="api-lang" data-language="java">Java</label>
|
||||
|
||||
|
||||
<input type="radio" id="unsubscribe_auto_js" name="unsubscribe_auto" class="tab">
|
||||
|
||||
<label for="unsubscribe_auto_js" class="api-lang" data-language="js">JavaScript</label>
|
||||
|
||||
|
||||
<input type="radio" id="unsubscribe_auto_py" name="unsubscribe_auto" class="tab">
|
||||
|
||||
<label for="unsubscribe_auto_py" class="api-lang" data-language="py">Python</label>
|
||||
|
||||
|
||||
<input type="radio" id="unsubscribe_auto_ruby" name="unsubscribe_auto" class="tab">
|
||||
|
||||
<label for="unsubscribe_auto_ruby" class="api-lang" data-language="ruby">Ruby</label>
|
||||
|
||||
|
||||
<input type="radio" id="unsubscribe_auto_ts" name="unsubscribe_auto" class="tab">
|
||||
|
||||
<label for="unsubscribe_auto_ts" class="api-lang" data-language="ts">TypeScript</label>
|
||||
|
||||
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="unsubscribe_auto_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/unsubscribe_auto/main.go#L10-37"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">nc, err := nats.Connect("demo.nats.io")
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
defer nc.Close()
|
||||
|
||||
// Sync Subscription
|
||||
sub, err := nc.SubscribeSync("updates")
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
if err := sub.AutoUnsubscribe(1); err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
|
||||
// Async Subscription
|
||||
sub, err = nc.Subscribe("updates", func(_ *nats.Msg) {})
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
if err := sub.AutoUnsubscribe(1); err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
|
||||
// Close the connection
|
||||
nc.Close()
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="unsubscribe_auto_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/AutoUnsubscribe.java#L14-31"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java">Connection nc = Nats.connect("nats://demo.nats.io:4222");
|
||||
Dispatcher d = nc.createDispatcher((msg) -> {
|
||||
String str = new String(msg.getData(), StandardCharsets.UTF_8);
|
||||
System.out.println(str);
|
||||
});
|
||||
|
||||
// Sync Subscription
|
||||
Subscription sub = nc.subscribe("updates");
|
||||
sub.unsubscribe(1);
|
||||
|
||||
// Async Subscription
|
||||
d.subscribe("updates");
|
||||
d.unsubscribe("updates", 1);
|
||||
|
||||
// Close the connection
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="unsubscribe_auto_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/subscriber_samples.js#L105-120"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">// `max` specifies the number of messages that the server will forward.
|
||||
// The server will auto-cancel.
|
||||
let opts = {max: 10};
|
||||
let sub = nc.subscribe(NATS.createInbox(), opts, (msg) => {
|
||||
t.log(msg);
|
||||
});
|
||||
|
||||
// another way after 10 messages
|
||||
let sub2 = nc.subscribe(NATS.createInbox(), (err, msg) => {
|
||||
t.log(msg.data);
|
||||
});
|
||||
// if the subscription already received 10 messages, the handler
|
||||
// won't get any more messages
|
||||
nc.unsubscribe(sub2, 10);
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="unsubscribe_auto_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/unsubscribe_auto.py#L6-21"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python">nc = NATS()
|
||||
|
||||
await nc.connect(servers=["nats://demo.nats.io:4222"])
|
||||
|
||||
async def cb(msg):
|
||||
print(msg)
|
||||
|
||||
sid = await nc.subscribe("updates", cb=cb)
|
||||
await nc.auto_unsubscribe(sid, 1)
|
||||
await nc.publish("updates", b'All is Well')
|
||||
|
||||
# Won't be received...
|
||||
await nc.publish("updates", b'...')
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="unsubscribe_auto_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/unsubscribe_auto.rb#L1-25"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby">require 'nats/client'
|
||||
require 'fiber'
|
||||
|
||||
NATS.start(servers:["nats://127.0.0.1:4222"]) do |nc|
|
||||
Fiber.new do
|
||||
f = Fiber.current
|
||||
|
||||
nc.subscribe("time", max: 1) do |msg, reply|
|
||||
f.resume Time.now
|
||||
end
|
||||
|
||||
nc.publish("time", 'What is the time?', NATS.create_inbox)
|
||||
|
||||
# Use the response
|
||||
msg = Fiber.yield
|
||||
puts "Reply: #{msg}"
|
||||
|
||||
# Won't be received
|
||||
nc.publish("time", 'What is the time?', NATS.create_inbox)
|
||||
|
||||
end.resume
|
||||
end
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="unsubscribe_auto_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/subscriber_samples.ts#L94-109"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">// `max` specifies the number of messages that the server will forward.
|
||||
// The server will auto-cancel.
|
||||
let opts = {max: 10};
|
||||
let sub = await nc.subscribe(createInbox(), (err, msg) => {
|
||||
t.log(msg.data);
|
||||
}, opts);
|
||||
|
||||
// another way after 10 messages
|
||||
let sub2 = await nc.subscribe(createInbox(), (err, msg) => {
|
||||
t.log(msg.data);
|
||||
});
|
||||
// if the subscription already received 10 messages, the handler
|
||||
// won't get any more messages
|
||||
sub2.unsubscribe(10);
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
134
developer/examples/wildcard_tester.html
Normal file
134
developer/examples/wildcard_tester.html
Normal file
@@ -0,0 +1,134 @@
|
||||
|
||||
<div class="tab-wrap">
|
||||
|
||||
|
||||
<input type="radio" id="wildcard_tester_go" name="wildcard_tester" class="tab" checked>
|
||||
|
||||
<label for="wildcard_tester_go" class="api-lang" data-language="go">Go</label>
|
||||
|
||||
|
||||
<input type="radio" id="wildcard_tester_java" name="wildcard_tester" class="tab">
|
||||
|
||||
<label for="wildcard_tester_java" class="api-lang" data-language="java">Java</label>
|
||||
|
||||
|
||||
<input type="radio" id="wildcard_tester_js" name="wildcard_tester" class="tab">
|
||||
|
||||
<label for="wildcard_tester_js" class="api-lang" data-language="js">JavaScript</label>
|
||||
|
||||
|
||||
<input type="radio" id="wildcard_tester_py" name="wildcard_tester" class="tab">
|
||||
|
||||
<label for="wildcard_tester_py" class="api-lang" data-language="py">Python</label>
|
||||
|
||||
|
||||
<input type="radio" id="wildcard_tester_ruby" name="wildcard_tester" class="tab">
|
||||
|
||||
<label for="wildcard_tester_ruby" class="api-lang" data-language="ruby">Ruby</label>
|
||||
|
||||
|
||||
<input type="radio" id="wildcard_tester_ts" name="wildcard_tester" class="tab">
|
||||
|
||||
<label for="wildcard_tester_ts" class="api-lang" data-language="ts">TypeScript</label>
|
||||
|
||||
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="wildcard_tester_go_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/go-nats-examples/blob/master/api-examples/wildcard_tester/main.go#L11-41"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-go">nc, err := nats.Connect("demo.nats.io")
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
defer nc.Close()
|
||||
|
||||
zoneID, err := time.LoadLocation("America/New_York")
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
now := time.Now()
|
||||
zoneDateTime := now.In(zoneID)
|
||||
formatted := zoneDateTime.String()
|
||||
|
||||
nc.Publish("time.us.east", []byte(formatted))
|
||||
nc.Publish("time.us.east.atlanta", []byte(formatted))
|
||||
|
||||
zoneID, err = time.LoadLocation("Europe/Warsaw")
|
||||
if err != nil {
|
||||
log.Fatal(err)
|
||||
}
|
||||
zoneDateTime = now.In(zoneID)
|
||||
formatted = zoneDateTime.String()
|
||||
|
||||
nc.Publish("time.eu.east", []byte(formatted))
|
||||
nc.Publish("time.eu.east.warsaw", []byte(formatted))
|
||||
|
||||
// Close the connection
|
||||
nc.Close()
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="wildcard_tester_java_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/java-nats-examples/blob/master/src/main/java/io/nats/examples/PublishForWildcards.java#L17-34"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-java">Connection nc = Nats.connect("nats://demo.nats.io:4222");
|
||||
ZoneId zoneId = ZoneId.of("America/New_York");
|
||||
ZonedDateTime zonedDateTime = ZonedDateTime.ofInstant(Instant.now(), zoneId);
|
||||
String formatted = zonedDateTime.format(DateTimeFormatter.ISO_ZONED_DATE_TIME);
|
||||
|
||||
nc.publish("time.us.east", formatted.getBytes(StandardCharsets.UTF_8));
|
||||
nc.publish("time.us.east.atlanta", formatted.getBytes(StandardCharsets.UTF_8));
|
||||
|
||||
zoneId = ZoneId.of("Europe/Warsaw");
|
||||
zonedDateTime = ZonedDateTime.ofInstant(Instant.now(), zoneId);
|
||||
formatted = zonedDateTime.format(DateTimeFormatter.ISO_ZONED_DATE_TIME);
|
||||
nc.publish("time.eu.east", formatted.getBytes(StandardCharsets.UTF_8));
|
||||
nc.publish("time.eu.east.warsaw", formatted.getBytes(StandardCharsets.UTF_8));
|
||||
|
||||
nc.flush(Duration.ZERO);
|
||||
nc.close();
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="wildcard_tester_js_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/node-nats-examples/blob/master/src/publisher_samples.js#L138-143"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">nc.publish('time.us.east');
|
||||
nc.publish('time.us.central');
|
||||
nc.publish('time.us.mountain');
|
||||
nc.publish('time.us.west');
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="wildcard_tester_py_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/asyncio-nats-examples/blob/master/wildcard_tester.py#L6-19"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-python">nc = NATS()
|
||||
|
||||
await nc.connect(servers=["nats://demo.nats.io:4222"])
|
||||
|
||||
await nc.publish("time.us.east", b'...')
|
||||
await nc.publish("time.us.east.atlanta", b'...')
|
||||
|
||||
await nc.publish("time.eu.east", b'...')
|
||||
await nc.publish("time.eu.east.warsaw", b'...')
|
||||
|
||||
await nc.close()
|
||||
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="wildcard_tester_ruby_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ruby-nats-examples/blob/master/wildcard_tester.rb#L2-12"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-ruby">NATS.start do |nc|
|
||||
nc.publish("time.us.east", '...')
|
||||
nc.publish("time.us.east.atlanta", '...')
|
||||
|
||||
nc.publish("time.eu.east", '...')
|
||||
nc.publish("time.eu.east.warsaw", '...')
|
||||
|
||||
nc.drain
|
||||
end
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
<div class="tab__content">
|
||||
<pre id="wildcard_tester_ts_content"><a class="toolbar-icons pull-right" target="_blank" href="https://github.com/nats-io/ts-nats-examples/blob/master/src/publisher_samples.ts#L139-144"><i class="mdi mdi-github-circle" title="View on GitHub"></i></a><a class="toolbar-icons pull-right"><i class="mdi mdi-content-copy js-copy" title="Copy to Clipboard"></i></a><span class="copy-msg pull-right"></span><code class="language-javascript">nc.publish('time.us.east');
|
||||
nc.publish('time.us.central');
|
||||
nc.publish('time.us.mountain');
|
||||
nc.publish('time.us.west');
|
||||
</code></pre>
|
||||
</div>
|
||||
|
||||
</div>
|
||||
Reference in New Issue
Block a user