func (service *service) Execute(args []string, r <-chan svc.ChangeRequest, s chan<- svc.Status) (bool, uint32) { if service.interactive { if err := log.Start(true); err != nil { fmt.Fprintf(os.Stderr, "Failed to start event log: %s\n", err) return false, 1 } } else { if err := log.Start(false); err != nil { fmt.Fprintf(os.Stderr, "Failed to start event log: %s\n", err) return false, 1 } } defer log.Stop() config, configFilename, err := lib.GetConfig(service.context) if err != nil { fmt.Fprintf(os.Stderr, "Failed to read config file: %s\n", err) return false, 1 } logLevel, ok := log.LevelFromString(config.LogLevel) if !ok { fmt.Fprintf(os.Stderr, "Log level %s is not recognized\n", config.LogLevel) return false, 1 } log.SetLevel(logLevel) if configFilename == "" { log.Info("No config file was found, so using defaults") } else { log.Infof("Using config file %s", configFilename) } completeConfig, _ := json.MarshalIndent(config, "", " ") log.Debugf("Config: %s", string(completeConfig)) log.Info(lib.FullName) if !config.CloudPrintingEnable && !config.LocalPrintingEnable { log.Fatal("Cannot run connector with both local_printing_enable and cloud_printing_enable set to false") return false, 1 } else if config.LocalPrintingEnable { log.Fatal("Local printing has not been implemented in this version of the Windows connector.") return false, 1 } jobs := make(chan *lib.Job, 10) xmppNotifications := make(chan xmpp.PrinterNotification, 5) var g *gcp.GoogleCloudPrint var x *xmpp.XMPP if config.CloudPrintingEnable { xmppPingTimeout, err := time.ParseDuration(config.XMPPPingTimeout) if err != nil { log.Fatalf("Failed to parse xmpp ping timeout: %s", err) return false, 1 } xmppPingInterval, err := time.ParseDuration(config.XMPPPingInterval) if err != nil { log.Fatalf("Failed to parse xmpp ping interval default: %s", err) return false, 1 } g, err = gcp.NewGoogleCloudPrint(config.GCPBaseURL, config.RobotRefreshToken, config.UserRefreshToken, config.ProxyName, config.GCPOAuthClientID, config.GCPOAuthClientSecret, config.GCPOAuthAuthURL, config.GCPOAuthTokenURL, config.GCPMaxConcurrentDownloads, jobs) if err != nil { log.Fatal(err) return false, 1 } x, err = xmpp.NewXMPP(config.XMPPJID, config.ProxyName, config.XMPPServer, config.XMPPPort, xmppPingTimeout, xmppPingInterval, g.GetRobotAccessToken, xmppNotifications) if err != nil { log.Fatal(err) return false, 1 } defer x.Quit() } ws, err := winspool.NewWinSpool(*config.PrefixJobIDToJobTitle, config.DisplayNamePrefix, config.PrinterBlacklist, config.PrinterWhitelist) if err != nil { log.Fatal(err) return false, 1 } nativePrinterPollInterval, err := time.ParseDuration(config.NativePrinterPollInterval) if err != nil { log.Fatalf("Failed to parse printer poll interval: %s", err) return false, 1 } pm, err := manager.NewPrinterManager(ws, g, nil, nativePrinterPollInterval, config.NativeJobQueueSize, *config.CUPSJobFullUsername, config.ShareScope, jobs, xmppNotifications) if err != nil { log.Fatal(err) return false, 1 } defer pm.Quit() if config.CloudPrintingEnable { if config.LocalPrintingEnable { log.Infof("Ready to rock as proxy '%s' and in local mode", config.ProxyName) } else { log.Infof("Ready to rock as proxy '%s'", config.ProxyName) } } else { log.Info("Ready to rock in local-only mode") } s <- runningStatus for { request := <-r switch request.Cmd { case svc.Interrogate: s <- runningStatus case svc.Stop: s <- stoppingStatus log.Info("Shutting down") time.AfterFunc(time.Second*30, func() { log.Fatal("Failed to stop quickly; stopping forcefully") os.Exit(1) }) return false, 0 default: log.Errorf("Received unsupported service command from service control manager: %d", request.Cmd) } } }
func connector(context *cli.Context) int { config, configFilename, err := lib.GetConfig(context) if err != nil { fmt.Fprintf(os.Stderr, "Failed to read config file: %s", err) return 1 } logToJournal := *config.LogToJournal && journal.Enabled() logToConsole := context.Bool("log-to-console") if logToJournal { log.SetJournalEnabled(true) if logToConsole { log.SetWriter(os.Stderr) } else { log.SetWriter(ioutil.Discard) } } else { logFileMaxBytes := config.LogFileMaxMegabytes * 1024 * 1024 var logWriter io.Writer logWriter, err = log.NewLogRoller(config.LogFileName, logFileMaxBytes, config.LogMaxFiles) if err != nil { fmt.Fprintf(os.Stderr, "Failed to start log roller: %s", err) return 1 } if logToConsole { logWriter = io.MultiWriter(logWriter, os.Stderr) } log.SetWriter(logWriter) } logLevel, ok := log.LevelFromString(config.LogLevel) if !ok { fmt.Fprintf(os.Stderr, "Log level %s is not recognized", config.LogLevel) return 1 } log.SetLevel(logLevel) if configFilename == "" { log.Info("No config file was found, so using defaults") } else { log.Infof("Using config file %s", configFilename) } completeConfig, _ := json.MarshalIndent(config, "", " ") log.Debugf("Config: %s", string(completeConfig)) log.Info(lib.FullName) fmt.Println(lib.FullName) if !config.CloudPrintingEnable && !config.LocalPrintingEnable { log.Fatal("Cannot run connector with both local_printing_enable and cloud_printing_enable set to false") return 1 } if _, err := os.Stat(config.MonitorSocketFilename); !os.IsNotExist(err) { if err != nil { log.Fatalf("Failed to stat monitor socket: %s", err) } else { log.Fatalf( "A connector is already running, or the monitoring socket %s wasn't cleaned up properly", config.MonitorSocketFilename) } return 1 } jobs := make(chan *lib.Job, 10) xmppNotifications := make(chan xmpp.PrinterNotification, 5) var g *gcp.GoogleCloudPrint var x *xmpp.XMPP if config.CloudPrintingEnable { xmppPingTimeout, err := time.ParseDuration(config.XMPPPingTimeout) if err != nil { log.Fatalf("Failed to parse xmpp ping timeout: %s", err) return 1 } xmppPingInterval, err := time.ParseDuration(config.XMPPPingInterval) if err != nil { log.Fatalf("Failed to parse xmpp ping interval default: %s", err) return 1 } g, err = gcp.NewGoogleCloudPrint(config.GCPBaseURL, config.RobotRefreshToken, config.UserRefreshToken, config.ProxyName, config.GCPOAuthClientID, config.GCPOAuthClientSecret, config.GCPOAuthAuthURL, config.GCPOAuthTokenURL, config.GCPMaxConcurrentDownloads, jobs) if err != nil { log.Fatal(err) return 1 } x, err = xmpp.NewXMPP(config.XMPPJID, config.ProxyName, config.XMPPServer, config.XMPPPort, xmppPingTimeout, xmppPingInterval, g.GetRobotAccessToken, xmppNotifications) if err != nil { log.Fatal(err) return 1 } defer x.Quit() } cupsConnectTimeout, err := time.ParseDuration(config.CUPSConnectTimeout) if err != nil { log.Fatalf("Failed to parse CUPS connect timeout: %s", err) return 1 } c, err := cups.NewCUPS(*config.CUPSCopyPrinterInfoToDisplayName, *config.PrefixJobIDToJobTitle, config.DisplayNamePrefix, config.CUPSPrinterAttributes, config.CUPSMaxConnections, cupsConnectTimeout, config.PrinterBlacklist, config.PrinterWhitelist, *config.CUPSIgnoreRawPrinters, *config.CUPSIgnoreClassPrinters) if err != nil { log.Fatal(err) return 1 } defer c.Quit() var priv *privet.Privet if config.LocalPrintingEnable { if g == nil { priv, err = privet.NewPrivet(jobs, config.LocalPortLow, config.LocalPortHigh, config.GCPBaseURL, nil) } else { priv, err = privet.NewPrivet(jobs, config.LocalPortLow, config.LocalPortHigh, config.GCPBaseURL, g.ProximityToken) } if err != nil { log.Fatal(err) return 1 } defer priv.Quit() } nativePrinterPollInterval, err := time.ParseDuration(config.NativePrinterPollInterval) if err != nil { log.Fatalf("Failed to parse CUPS printer poll interval: %s", err) return 1 } pm, err := manager.NewPrinterManager(c, g, priv, nativePrinterPollInterval, config.NativeJobQueueSize, *config.CUPSJobFullUsername, config.ShareScope, jobs, xmppNotifications) if err != nil { log.Fatal(err) return 1 } defer pm.Quit() m, err := monitor.NewMonitor(c, g, priv, pm, config.MonitorSocketFilename) if err != nil { log.Fatal(err) return 1 } defer m.Quit() if config.CloudPrintingEnable { if config.LocalPrintingEnable { log.Infof("Ready to rock as proxy '%s' and in local mode", config.ProxyName) fmt.Printf("Ready to rock as proxy '%s' and in local mode\n", config.ProxyName) } else { log.Infof("Ready to rock as proxy '%s'", config.ProxyName) fmt.Printf("Ready to rock as proxy '%s'\n", config.ProxyName) } } else { log.Info("Ready to rock in local-only mode") fmt.Println("Ready to rock in local-only mode") } waitIndefinitely() log.Info("Shutting down") fmt.Println("") fmt.Println("Shutting down") return 0 }