+// Run Main function called to run agent
+func (ctx *Context) Run() (int, error) {
+ var err error
+
+ // Logs redirected into a file when logfile option or logsDir config is set
+ ctx.Config.LogVerboseOut = os.Stderr
+ if ctx.Config.FileConf.LogsDir != "" {
+ if ctx.Config.Options.LogFile != "stdout" {
+ logFile := ctx.Config.Options.LogFile
+
+ fdL, err := os.OpenFile(logFile, os.O_CREATE|os.O_TRUNC|os.O_WRONLY, 0666)
+ if err != nil {
+ msgErr := fmt.Errorf("Cannot create log file %s", logFile)
+ return int(syscall.EPERM), msgErr
+ }
+ ctx.Log.Out = fdL
+
+ ctx._logPrint("Logging file: %s\n", logFile)
+ }
+
+ logFileHTTPReq := filepath.Join(ctx.Config.FileConf.LogsDir, "xds-agent-verbose.log")
+ fdLH, err := os.OpenFile(logFileHTTPReq, os.O_CREATE|os.O_TRUNC|os.O_WRONLY, 0666)
+ if err != nil {
+ msgErr := fmt.Errorf("Cannot create log file %s", logFileHTTPReq)
+ return int(syscall.EPERM), msgErr
+ }
+ ctx.Config.LogVerboseOut = fdLH
+
+ ctx._logPrint("Logging file for HTTP requests: %s\n", logFileHTTPReq)
+ }
+
+ // Create events management
+ ctx.events = NewEvents(ctx)
+
+ // Create syncthing instance when section "syncthing" is present in agent-config.json
+ if ctx.Config.FileConf.SThgConf != nil {
+ ctx.SThg = st.NewSyncThing(ctx.Config, ctx.Log)
+ }
+
+ // Start local instance of Syncthing and Syncthing-notify
+ if ctx.SThg != nil {
+ ctx.Log.Infof("Starting Syncthing...")
+ ctx.SThgCmd, err = ctx.SThg.Start()
+ if err != nil {
+ return 2, err
+ }
+ fmt.Printf("Syncthing started (PID %d)\n", ctx.SThgCmd.Process.Pid)
+
+ ctx.Log.Infof("Starting Syncthing-inotify...")
+ ctx.SThgInotCmd, err = ctx.SThg.StartInotify()
+ if err != nil {
+ return 2, err
+ }
+ fmt.Printf("Syncthing-inotify started (PID %d)\n", ctx.SThgInotCmd.Process.Pid)
+
+ // Establish connection with local Syncthing (retry if connection fail)
+ time.Sleep(3 * time.Second)
+ maxRetry := 30
+ retry := maxRetry
+ for retry > 0 {
+ if err := ctx.SThg.Connect(); err == nil {
+ break
+ }
+ ctx.Log.Infof("Establishing connection to Syncthing (retry %d/%d)", retry, maxRetry)
+ time.Sleep(time.Second)
+ retry--
+ }
+ if err != nil || retry == 0 {
+ return 2, err
+ }
+
+ // Retrieve Syncthing config
+ id, err := ctx.SThg.IDGet()
+ if err != nil {
+ return 2, err
+ }
+ ctx.Log.Infof("Local Syncthing ID: %s", id)
+
+ } else {
+ ctx.Log.Infof("Cloud Sync / Syncthing not supported")
+ }
+
+ // Create Web Server
+ ctx.webServer = NewWebServer(ctx)
+
+ // Sessions manager
+ ctx.sessions = NewClientSessions(ctx, cookieMaxAge)
+
+ // Create projects management
+ ctx.projects = NewProjects(ctx, ctx.SThg)
+
+ // Run Web Server until exit requested (blocking call)
+ if err = ctx.webServer.Serve(); err != nil {
+ log.Println(err)
+ return 3, err
+ }
+
+ return 4, fmt.Errorf("Program exited")
+}
+
+// Helper function to log message on both stdout and logger
+func (ctx *Context) _logPrint(format string, args ...interface{}) {
+ fmt.Printf(format, args...)
+ if ctx.Log.Out != os.Stdout {
+ ctx.Log.Infof(format, args...)
+ }
+}
+