Example #1
0
func Run() {
	PreLoadConfig()
	confInit()
	PostLoadConfig()
	runtime.GOMAXPROCS(runtime.NumCPU())
	log.Infof("MineGate %s started.", version_full)
	go ServerSocket()
	sig := make(chan os.Signal, 1)
	signal.Notify(sig, syscall.SIGHUP, syscall.SIGUSR1)
	for {
		cur := <-sig
		switch cur {
		case syscall.SIGHUP:
			log.Warn("SIGHUP caught, reloading config...")
			PreLoadConfig()
			ConfReload()
			PostLoadConfig()
		case syscall.SIGUSR1:
			log.Warn("SIGUSR1 caught, rotating log...")
			log.Rotate()
		default:
			log.Errorf("Trapped unexpected signal: %s", cur.String())
			continue
		}
	}
}
Example #2
0
func ConfReload() {
	// Do not panic!
	defer func() {
		if r := recover(); r != nil {
			log.Errorf("paniced when reloading config %s, recovered.", config_file)
			log.Errorf("panic: %s", r)
		}
	}()
	log.Warn("Reloading config")
	content, err := ioutil.ReadFile(config_file)
	if err != nil {
		log.Errorf("unable to reload config %s: %s", config_file, err.Error())
		return
	}
	prev_listen := config.Listen_addr
	config_lock.Lock()
	err = yaml.Unmarshal(content, &config)
	if err != nil {
		log.Errorf("error when parsing config file %s: %s", config_file, err.Error())
		return
	}
	validateConfig()
	config_lock.Unlock()
	log.Info("config reloaded.")
	if config.Listen_addr != prev_listen {
		log.Warnf("config reload will not reopen server socket, thus no effect on listen address")
	}
	log.Infof("%d upstream server(s) found", len(config.Upstream))
}
Example #3
0
func validateConfig() {
	invalid_upstreams := make([]int, 0, len(config.Upstream))
	for idx, upstream := range config.Upstream {
		if !upstream.Validate() {
			log.Errorf("Upstream %s is not activated.", upstream.Server)
			invalid_upstreams = append(invalid_upstreams, idx)
		}
	}
	for delta, idx := range invalid_upstreams {
		idx -= delta
		config.Upstream[idx] = nil
		config.Upstream = append(config.Upstream[:idx], config.Upstream[idx+1:]...)
	}
	if config.NotFound.Text == "" {
		log.Warn("Empty error text for not found error, use default string")
		config.NotFound.Text = "No such host."
	}
	config.chatNotFound = ToChatMsg(&config.NotFound)
}
Example #4
0
func loadConfig() {
	new_brust, err := minegate.GetExtraConf("conntrack.brust")
	if err != nil {
		log.Info("[conntrack] Using default brust: 5")
		brust = 5
	} else {
		nb := minegate.ToUint(new_brust)
		log.Infof("[conntrack] Using brust: %d", nb)
		brust = nb
	}
	new_limit, err := minegate.GetExtraConf("conntrack.limit")
	if err != nil {
		log.Info("[conntrack] Using default limit: 5")
		limit = 5
	} else {
		nl := minegate.ToUint(new_limit)
		if nl != 0 {
			log.Infof("[conntrack] Using limit: %d", nl)
			limit = nl
		} else {
			log.Info("[conntrack] Limit = 0, disabling conntrack.")
			limit = 0
		}
	}
	new_delta, err := minegate.GetExtraConf("conntrack.interval")
	if err != nil {
		log.Info("[conntrack] Using default delta: 60")
		delta = 60
	} else {
		nd := minegate.ToUint(new_delta)
		if nd < 15 {
			log.Warn("[conntrack] Minimal interval is 15.")
			nd = 15
		}
		log.Infof("[conntrack] Using interval %d", nd)
		delta = nd
	}
}