ships_backend/main.go

package main

import (
	"fmt"
	"log"
	"os"

	"daydev.org/shipsgs/internal/config"
	"daydev.org/shipsgs/internal/gameServer"
	"daydev.org/shipsgs/internal/server"
	"daydev.org/shipsgs/internal/utils"
	"github.com/xlab/closer"
)

var Logger *utils.Logger
var ch_sighup *chan bool

//GameServer Public Global Instance
var GS *gameServer.GameServer

func main() {
	logFile, err := os.OpenFile("runlog.log", os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
	if err != nil {
		fmt.Println(err)
	} else {
		log.SetOutput(logFile)
	}
	defer logFile.Close()

	closer.Bind(cleanup)

	//Can be optimised to NEW instead of MAKE
	sighup := make(chan bool)
	ch_sighup = &sighup

	//If debug - fill Stdout too - LOG to use?
	//Logger = utils.New(os.Stdout, utils.LevelInfo)

	config.ReadConfig()

	GS = new(gameServer.GameServer)
	GS.Init(Logger, &config.Config)
	go GS.Update()

	log.Println("Starting Healthy")

	//closer.Hold()
	server.SetupAndRun(":8080", ch_sighup)

	GS.WG.Wait()

}

func cleanup() {
	fmt.Println("Shutting down ")

	//Investigate why no messages on correct closing
	GS.Shutdown <- true

	// Main function has to be closed the last
	*ch_sighup <- true

	Logger.PrintInfo("main", map[string]string{
		"Info": "Closing Application Normally",
	})

}