// backfillConfigFile opens the config file, adds all missing keys
// and default values, then writes the config file back.
func backfillConfigFile(context *cli.Context) {
config, cfBefore, err := lib.GetConfig(context)
if err != nil {
log.Fatalln(err)
}
if cfBefore == "" {
fmt.Println("Could not find a config file to backfill")
return
}
// Same config in []byte format.
configRaw, err := ioutil.ReadFile(cfBefore)
if err != nil {
log.Fatalln(err)
}
// Same config in map format so that we can detect missing keys.
var configMap map[string]interface{}
if err = json.Unmarshal(configRaw, &configMap); err != nil {
log.Fatalln(err)
}
if cfWritten, err := config.Backfill(configMap).ToFile(context); err != nil {
fmt.Printf("Failed to write config file: %s\n", err)
} else {
fmt.Printf("Wrote %s\n", cfWritten)
}
}
// getConfig returns a config object
func getConfig(context *cli.Context) *lib.Config {
config, _, err := lib.GetConfig(context)
if err != nil {
log.Fatalln(err)
}
return config
}
// sparseConfigFile opens the config file, removes most keys
// that have default values, then writes the config file back.
func sparseConfigFile(context *cli.Context) {
config, cfBefore, err := lib.GetConfig(context)
if err != nil {
log.Fatalln(err)
}
if cfBefore == "" {
fmt.Println("Could not find a config file to sparse")
return
}
if cfWritten, err := config.Sparse(context).ToFile(context); err != nil {
fmt.Printf("Failed to write config file: %s\n", err)
} else {
fmt.Printf("Wrote %s\n", cfWritten)
}
}
func monitorConnector(context *cli.Context) {
config, filename, err := lib.GetConfig(context)
if err != nil {
log.Fatalf("Failed to read config file: %s\n", err)
}
if filename == "" {
fmt.Println("No config file was found, so using defaults")
}
if _, err := os.Stat(config.MonitorSocketFilename); err != nil {
if !os.IsNotExist(err) {
log.Fatalln(err)
}
log.Fatalf(
"No connector is running, or the monitoring socket %s is mis-configured\n",
config.MonitorSocketFilename)
}
timer := time.AfterFunc(context.Duration("monitor-timeout"), func() {
log.Fatalf("Timeout after %s\n", context.Duration("monitor-timeout").String())
})
conn, err := net.DialTimeout("unix", config.MonitorSocketFilename, time.Second)
if err != nil {
log.Fatalf(
"No connector is running, or it is not listening to socket %s\n",
config.MonitorSocketFilename)
}
defer conn.Close()
buf, err := ioutil.ReadAll(conn)
if err != nil {
log.Fatalln(err)
}
timer.Stop()
fmt.Printf(string(buf))
}
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
}