main.go

// SPDX-License-Identifier: MIT
// SPDX-FileCopyrightText: 2022 mochi-mqtt, mochi-co
// SPDX-FileContributor: mochi-co, werbenhu

package main

import (
	"log"
	"os"
	"os/signal"
	"syscall"
	"time"

	mqtt "github.com/mochi-mqtt/server/v2"
	"github.com/mochi-mqtt/server/v2/hooks/auth"
	"github.com/mochi-mqtt/server/v2/hooks/storage/bolt"
	"github.com/mochi-mqtt/server/v2/listeners"
	"go.etcd.io/bbolt"
)

func main() {
	boltPath := ".bolt"
	defer os.RemoveAll(boltPath) // remove the example db files at the end

	sigs := make(chan os.Signal, 1)
	done := make(chan bool, 1)
	signal.Notify(sigs, syscall.SIGINT, syscall.SIGTERM)
	go func() {
		<-sigs
		done <- true
	}()

	server := mqtt.New(nil)
	_ = server.AddHook(new(auth.AllowHook), nil)

	err := server.AddHook(new(bolt.Hook), &bolt.Options{
		Path: boltPath,
		Options: &bbolt.Options{
			Timeout: 500 * time.Millisecond,
		},
	})
	if err != nil {
		log.Fatal(err)
	}

	tcp := listeners.NewTCP(listeners.Config{
		ID:      "t1",
		Address: ":1883",
	})
	err = server.AddListener(tcp)
	if err != nil {
		log.Fatal(err)
	}

	go func() {
		err := server.Serve()
		if err != nil {
			log.Fatal(err)
		}
	}()

	<-done
	server.Log.Warn("caught signal, stopping...")
	_ = server.Close()
	server.Log.Info("main.go finished")
}