Golang SnifferSetup.Stop方法代码示例

func main() {

	// Use our own FlagSet, because some libraries pollute the global one
	var cmdLine = flag.NewFlagSet(os.Args[0], flag.ExitOnError)

	cfgfile.CmdLineFlags(cmdLine, Name)
	logp.CmdLineFlags(cmdLine)
	service.CmdLineFlags(cmdLine)
	publisher.CmdLineFlags(cmdLine)

	file := cmdLine.String("I", "", "file")
	loop := cmdLine.Int("l", 1, "Loop file. 0 - loop forever")
	oneAtAtime := cmdLine.Bool("O", false, "Read packets one at a time (press Enter)")
	topSpeed := cmdLine.Bool("t", false, "Read packets as fast as possible, without sleeping")
	printVersion := cmdLine.Bool("version", false, "Print version and exit")
	dumpfile := cmdLine.String("dump", "", "Write all captured packets to this libpcap file.")

	cmdLine.Parse(os.Args[1:])

	sniff := new(sniffer.SnifferSetup)

	if *printVersion {
		fmt.Printf("Packetbeat version %s (%s)\n", Version, runtime.GOARCH)
		return
	}

	err := cfgfile.Read(&config.ConfigSingleton)

	logp.Init(Name, &config.ConfigSingleton.Logging)

	// CLI flags over-riding config
	if *topSpeed {
		config.ConfigSingleton.Interfaces.TopSpeed = true
	}
	if len(*file) > 0 {
		config.ConfigSingleton.Interfaces.File = *file
	}
	config.ConfigSingleton.Interfaces.Loop = *loop
	config.ConfigSingleton.Interfaces.OneAtATime = *oneAtAtime
	if len(*dumpfile) > 0 {
		config.ConfigSingleton.Interfaces.Dumpfile = *dumpfile
	}

	logp.Debug("main", "Initializing output plugins")
	if err = publisher.Publisher.Init(config.ConfigSingleton.Output, config.ConfigSingleton.Shipper); err != nil {

		logp.Critical(err.Error())
		os.Exit(1)
	}

	if err = procs.ProcWatcher.Init(config.ConfigSingleton.Procs); err != nil {
		logp.Critical(err.Error())
		os.Exit(1)
	}

	logp.Debug("main", "Initializing protocol plugins")
	for proto, plugin := range EnabledProtocolPlugins {
		err = plugin.Init(false, publisher.Publisher.Queue)
		if err != nil {
			logp.Critical("Initializing plugin %s failed: %v", proto, err)
			os.Exit(1)
		}
		protos.Protos.Register(proto, plugin)
	}

	tcpProc, err := tcp.NewTcp(&protos.Protos)
	if err != nil {
		logp.Critical(err.Error())
		os.Exit(1)
	}
	udpProc, err := udp.NewUdp(&protos.Protos)
	if err != nil {
		logp.Critical(err.Error())
		os.Exit(1)
	}

	over := make(chan bool)

	stopCb := func() {
		sniff.Stop()
	}

	logp.Debug("main", "Initializing filters")
	afterInputsQueue, err := filters.FiltersRun(
		config.ConfigSingleton.Filter,
		EnabledFilterPlugins,
		publisher.Publisher.Queue,
		stopCb)
	if err != nil {
		logp.Critical("%v", err)
		os.Exit(1)
	}

	logp.Debug("main", "Initializing sniffer")
	err = sniff.Init(false, afterInputsQueue, tcpProc, udpProc)
	if err != nil {
		logp.Critical("Initializing sniffer failed: %v", err)
		os.Exit(1)
	}

//.........这里部分代码省略.........

//.........这里部分代码省略.........
		if err != nil {
			logp.Critical("Initializing plugin %s failed: %v", proto, err)
			os.Exit(1)
		}
		protos.Protos.Register(proto, plugin)
	}

	if err = tcp.TcpInit(); err != nil {
		logp.Critical(err.Error())
		os.Exit(1)
	}

	over := make(chan bool)

	logp.Debug("main", "Initializing filters plugins")
	for filter, plugin := range EnabledFilterPlugins {
		filters.Filters.Register(filter, plugin)
	}
	filters_plugins, err :=
		LoadConfiguredFilters(config.ConfigSingleton.Filter)
	if err != nil {
		logp.Critical("Error loading filters plugins: %v", err)
		os.Exit(1)
	}
	logp.Debug("main", "Filters plugins order: %v", filters_plugins)
	var afterInputsQueue chan common.MapStr
	if len(filters_plugins) > 0 {
		runner := NewFilterRunner(publisher.Publisher.Queue, filters_plugins)
		go func() {
			err := runner.Run()
			if err != nil {
				logp.Critical("Filters runner failed: %v", err)
				// shutting doen
				sniff.Stop()
			}
		}()
		afterInputsQueue = runner.FiltersQueue
	} else {
		// short-circuit the runner
		afterInputsQueue = publisher.Publisher.Queue
	}

	logp.Debug("main", "Initializing sniffer")
	err = sniff.Init(false, afterInputsQueue)
	if err != nil {
		logp.Critical("Initializing sniffer failed: %v", err)
		os.Exit(1)
	}

	// This needs to be after the sniffer Init but before the sniffer Run.
	if err = droppriv.DropPrivileges(config.ConfigSingleton.RunOptions); err != nil {
		logp.Critical(err.Error())
		os.Exit(1)
	}

	// Up to here was the initialization, now about running

	if *testConfig {
		// all good, exit with 0
		os.Exit(0)
	}

	if *cpuprofile != "" {
		f, err := os.Create(*cpuprofile)
		if err != nil {
			log.Fatal(err)