dissertation-2-code/main.go

package main

import (
	"github.com/sevlyar/go-daemon"
	"log"
	"mpbl3p/config"
	"mpbl3p/flags"
	"os"
	"os/signal"
	"syscall"
)

func main() {
	log.SetFlags(log.Ldate | log.Ltime | log.Llongfile)

	o, err := flags.ParseFlags()
	if err != nil {
		panic(err)
	}

	log.Println("loading config...")

	c, err := config.LoadConfig(o.ConfigFile)
	if err != nil {
		panic(err)
	}

	log.Println("building config...")
	p, err := c.Build(o)
	if err != nil {
		panic(err)
	}

	log.Println("starting...")
	p.Start()

	log.Println("forking...")

	ctx := &daemon.Context{
		PidFileName: o.PidFile,
		PidFilePerm: 0644,
	}

	d, err := ctx.Reborn()
	if err != nil {
		panic(err)
	}

	if d != nil {
		return
	}

	signals := make(chan os.Signal)
	signal.Notify(signals, syscall.SIGTERM, syscall.SIGINT)

	<-signals
}