mirror of
https://github.com/gogrlx/nats-server.git
synced 2026-04-02 03:38:42 -07:00
113 lines
3.6 KiB
Go
113 lines
3.6 KiB
Go
// Copyright 2012-2013 Apcera Inc. All rights reserved.
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package main
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import (
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"flag"
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"strings"
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"github.com/apcera/gnatsd/logger"
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"github.com/apcera/gnatsd/server"
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)
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func main() {
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// Server Options
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opts := server.Options{}
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var showVersion bool
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var debugAndTrace bool
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var configFile string
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// Parse flags
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flag.IntVar(&opts.Port, "port", 0, "Port to listen on.")
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flag.IntVar(&opts.Port, "p", 0, "Port to listen on.")
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flag.StringVar(&opts.Host, "addr", "", "Network host to listen on.")
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flag.StringVar(&opts.Host, "a", "", "Network host to listen on.")
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flag.StringVar(&opts.Host, "net", "", "Network host to listen on.")
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flag.BoolVar(&opts.Debug, "D", false, "Enable Debug logging.")
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flag.BoolVar(&opts.Debug, "debug", false, "Enable Debug logging.")
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flag.BoolVar(&opts.Trace, "V", false, "Enable Trace logging.")
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flag.BoolVar(&opts.Trace, "trace", false, "Enable Trace logging.")
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flag.BoolVar(&debugAndTrace, "DV", false, "Enable Debug and Trace logging.")
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flag.BoolVar(&opts.Logtime, "T", true, "Timestamp log entries.")
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flag.BoolVar(&opts.Logtime, "logtime", true, "Timestamp log entries.")
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flag.StringVar(&opts.Username, "user", "", "Username required for connection.")
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flag.StringVar(&opts.Password, "pass", "", "Password required for connection.")
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flag.StringVar(&opts.Authorization, "auth", "", "Authorization token required for connection.")
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flag.IntVar(&opts.HTTPPort, "m", 0, "HTTP Port for /varz, /connz endpoints.")
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flag.IntVar(&opts.HTTPPort, "http_port", 0, "HTTP Port for /varz, /connz endpoints.")
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flag.StringVar(&configFile, "c", "", "Configuration file.")
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flag.StringVar(&configFile, "config", "", "Configuration file.")
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flag.StringVar(&opts.PidFile, "P", "", "File to store process pid.")
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flag.StringVar(&opts.PidFile, "pid", "", "File to store process pid.")
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flag.StringVar(&opts.LogFile, "l", "", "File to store logging output.")
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flag.StringVar(&opts.LogFile, "log", "", "File to store logging output.")
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flag.BoolVar(&opts.Syslog, "syslog", false, "Enable syslog as log method.")
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flag.BoolVar(&showVersion, "version", false, "Print version information.")
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flag.BoolVar(&showVersion, "v", false, "Print version information.")
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flag.IntVar(&opts.ProfPort, "profile", 0, "Profiling HTTP port")
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flag.Usage = server.Usage
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flag.Parse()
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// Show version and exit
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if showVersion {
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server.PrintServerAndExit()
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}
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// One flag can set multiple options.
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if debugAndTrace {
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opts.Trace, opts.Debug = true, true
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}
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// Process args looking for non-flag options,
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// 'version' and 'help' only for now
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for _, arg := range flag.Args() {
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switch strings.ToLower(arg) {
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case "version":
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server.PrintServerAndExit()
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case "help":
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server.Usage()
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}
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}
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// Parse config if given
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if configFile != "" {
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fileOpts, err := server.ProcessConfigFile(configFile)
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if err != nil {
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server.PrintAndDie(err.Error())
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}
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opts = *server.MergeOptions(fileOpts, &opts)
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}
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// Remove any host/ip that points to itself in Route
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newroutes, err := server.RemoveSelfReference(opts.ClusterPort, opts.Routes)
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if err != nil {
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server.PrintAndDie(err.Error())
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}
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opts.Routes = newroutes
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// Create the server with appropriate options.
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s := server.New(&opts)
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// Builds and set the logger based on the flags
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s.SetLogger(buildLogger(&opts), opts.Debug, opts.Trace)
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// Start things up. Block here until done.
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s.Start()
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}
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func buildLogger(opts *server.Options) server.Logger {
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if opts.Syslog {
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return logger.NewSysLogger(opts.Debug, opts.Trace)
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}
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if opts.LogFile != "" {
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return logger.NewFileLogger(opts.LogFile, opts.Logtime, opts.Debug, opts.Trace)
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}
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return logger.NewStdLogger(opts.Logtime, opts.Debug, opts.Trace, true)
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}
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