craban/cmd/rmsn/rmsn.go

package main

import (
	"flag"
	"fmt"
	"os"
	"os/signal"

	"git.ctrlz.es/mgdelacroix/rmsn/server"
)

func main() {
	configFlag := flag.String("config", "rmsn.yml", "the configuration path")
	flag.Parse()

	srv, err := server.NewServerWithConfigPath(*configFlag)
	if err != nil {
		fmt.Fprintf(os.Stderr, "cannot create server: %s", err)
		os.Exit(1)
	}

	c := make(chan os.Signal, 1)
	signal.Notify(c, os.Interrupt)
	closed := make(chan bool, 1)

	go func() {
		fmt.Println("Starting rmsn")
		if err := srv.Start(); err != nil {
			fmt.Fprintf(os.Stderr, "error running server: %s", err)
			os.Exit(1)
		}
		closed <- true
	}()

	s := <-c
	fmt.Printf("Got signal %s, exiting...\n", s)
	if err := srv.Close(); err != nil {
		fmt.Fprintf(os.Stderr, "error closing server: %s", err)
		os.Exit(1)
	}
	<-closed
}