sonet/cmd/chat/main.go

package main

import (
	"context"
	clientv3 "go.etcd.io/etcd/client/v3"
	"sonet/api/gen/chat"
	"sonet/internal/chat/logic"
	"sonet/pkg/config"
	"sonet/pkg/grpc/discovery"
	"sonet/pkg/protocol/deliver"
	"sonet/pkg/utils/shutdown"
)

func main() {
	conf := config.LoadConfig(nil, "cmd/chat")

	// registry and run...
	etcdClient, err := clientv3.New(conf.Etcd)
	if err != nil {
		panic(err)
	}
	shutdown.AddHook(func() {
		if err := etcdClient.Close(); err != nil {
			panic(err)
		}
	}, shutdown.WithOrderBack())

	// etcd discovery
	dis := discovery.NewEtcdDiscovery(etcdClient)

	deli := deliver.NewDeliver(chat.Chat_ServiceDesc.ServiceName)
	if err := deli.InitWithResolver(context.Background(), dis); err != nil {
		panic(err)
	}
	chatServer := logic.NewChatServer(deli)

	go func() {
		err = chatServer.Run(conf.Grpc, dis)
		if err != nil {
			panic(err)
		}
	}()

	shutdown.Await()
}