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