package main import ( "flag" "syscall" "time" "log" "os" "github.com/mattermost/mattermost-octo-tasks/server/server" "github.com/mattermost/mattermost-octo-tasks/server/services/config" ) // ---------------------------------------------------------------------------------------------------- // WebSocket OnChange listener func isProcessRunning(pid int) bool { process, err := os.FindProcess(pid) if err != nil { return false } err = process.Signal(syscall.Signal(0)) return err == nil } func monitorPid(pid int) { log.Printf("Monitoring PID: %d", pid) go func() { for { if !isProcessRunning(pid) { log.Printf("Monitored process not found, exiting.") os.Exit(1) } time.Sleep(2 * time.Second) } }() } func main() { // config.json file config, err := config.ReadConfigFile() if err != nil { log.Fatal("Unable to read the config file: ", err) return } // Command line args pMonitorPid := flag.Int("monitorpid", -1, "a process ID") pPort := flag.Int("port", config.Port, "the port number") flag.Parse() if pMonitorPid != nil && *pMonitorPid > 0 { monitorPid(*pMonitorPid) } if pPort != nil && *pPort > 0 && *pPort != config.Port { // Override port log.Printf("Port from commandline: %d", *pPort) config.Port = *pPort } server, err := server.New(config) if err != nil { log.Fatal("ListenAndServeTLS: ", err) } if err := server.Start(); err != nil { log.Fatal("ListenAndServeTLS: ", err) } }