func doMain() error {
if err := logging.Init(); err != nil {
return err
}
// Schedule cleanup actions
handleSignals()
addExitFunc(func() {
if err := logging.Close(); err != nil {
log.Debugf("Error closing log: %v", err)
}
})
addExitFunc(quitSystray)
i18nInit()
if showui {
if err := configureSystemTray(); err != nil {
return err
}
}
displayVersion()
parseFlags()
cfg, err := config.Init(packageVersion)
if err != nil {
return fmt.Errorf("Unable to initialize configuration: %v", err)
}
go func() {
err := config.Run(func(updated *config.Config) {
configUpdates <- updated
})
if err != nil {
exit(err)
}
}()
if *help || cfg.Addr == "" || (cfg.Role != "server" && cfg.Role != "client") {
flag.Usage()
return fmt.Errorf("Wrong arguments")
}
finishProfiling := profiling.Start(cfg.CpuProfile, cfg.MemProfile)
defer finishProfiling()
// Configure stats initially
if err := statreporter.Configure(cfg.Stats); err != nil {
return err
}
log.Debug("Running proxy")
if cfg.IsDownstream() {
// This will open a proxy on the address and port given by -addr
go runClientProxy(cfg)
} else {
go runServerProxy(cfg)
}
return waitForExit()
}
func logPanic(msg string) {
cfg, err := config.Init(packageVersion)
if err != nil {
panic("Error initializing config")
}
if err := logging.Init(); err != nil {
panic("Error initializing logging")
}
<-logging.Configure("", "", cfg.InstanceId, version, revisionDate)
log.Error(msg)
logging.Flush()
_ = logging.Close()
}