nats.docs/_examples/request_reply.html

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	<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(&#34;demo.nats.io&#34;)
if err != nil {
	log.Fatal(err)
}
defer nc.Close()

// Send the request
msg, err := nc.Request(&#34;time&#34;, nil, time.Second)
if err != nil {
	log.Fatal(err)
}

// Use the response
log.Printf(&#34;Reply: %s&#34;, msg.Data)

// Close the connection
nc.Close()
</code></pre>
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	<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(&#34;nats://demo.nats.io:4222&#34;);

// Send the request
Message msg = nc.request(&#34;time&#34;, null, Duration.ofSeconds(1));

// Use the response
System.out.println(new String(msg.getData(), StandardCharsets.UTF_8));

// Close the connection
nc.close();
</code></pre>
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	<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#L66-80"><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 = NATS.connect({url: &#34;nats://demo.nats.io:4222&#34;});

// set up a subscription to process the request
nc.subscribe(&#39;time&#39;, (msg, reply) =&gt; {
    if(reply) {
        nc.publish(reply, new Date().toLocaleTimeString());
    }
});

nc.requestOne(&#39;time&#39;, (msg) =&gt; {
    t.log(&#39;the time is&#39;, msg);
    nc.close();
});
</code></pre>
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	<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&#39;response&#39;)

await nc.connect(servers=[&#34;nats://demo.nats.io:4222&#34;])
await nc.subscribe(&#34;time&#34;, cb=sub)

# Send the request
try:
  msg = await nc.request(&#34;time&#34;, b&#39;&#39;, timeout=1)
  # Use the response
  print(&#34;Reply:&#34;, msg)
except asyncio.TimeoutError:
  print(&#34;Timed out waiting for response&#34;)

</code></pre>
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	<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 &#39;nats/client&#39;
require &#39;fiber&#39;

NATS.start(servers:[&#34;nats://127.0.0.1:4222&#34;]) do |nc|
  nc.subscribe(&#34;time&#34;) do |msg, reply|
    nc.publish(reply, &#34;response&#34;)
  end

  Fiber.new do
    # Use the response
    msg = nc.request(&#34;time&#34;, &#34;&#34;)
    puts &#34;Reply: #{msg}&#34;
  end.resume
end

</code></pre>
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	<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#L78-82"><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">let msg = await nc.request(&#39;time&#39;, 1000);
t.log(&#39;the time is&#39;, msg.data);
nc.close();
</code></pre>
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