deliver group

api/chat.proto

@@ -23,9 +23,10 @@ service Chat {
 }
 
 message ChatMessage {
-  string sender = 1;
+  int32 type = 1; // 0默认单聊消息, 1群消息
-  string content = 7;
+  string sender = 2;
-//  Message message = 8;
+  string gid = 3;
+  string content = 15;
 }
 
 message ReqSend {

cmd/chat/main.go

@@ -32,7 +32,7 @@ func main() {
 	if err := deli.InitWithResolver(context.Background(), dis); err != nil {
 		panic(err)
 	}
-	chatServer := logic.NewChatServer(deli)
+	chatServer := logic.NewChatServer(deli, nil)
 
 	go func() {
 		err = chatServer.Run(conf.Grpc, dis)

cmd/gateway_ws/config.toml

@@ -1,6 +1,6 @@
 [app]
 httpPort = 7001
-endpointAddress = "127.0.0.1:7001"
+endpointAddress = "192.168.110.41:7001"
 subjectCacheTopic = "wsgate:subject:"
 subjectLrcExpiration = "10m"
 subjectLrcCleanupInterval = "5m"

cmd/mahjong/main.go

@@ -34,6 +34,7 @@ func main() {
 	if err != nil {
 		panic(err)
 	}
+
 	deli := deliver.NewDeliver(mahjong.Mahjong_ServiceDesc.ServiceName)
 	if err := deli.InitWithResolver(context.Background(), dis); err != nil {
 		panic(err)
@@ -49,7 +50,7 @@ func main() {
 	if err != nil {
 		panic(err)
 	}
-	mahjongServer := logic.NewMahjongServer(mjStore, deli, auth.NewAuthClient(authConn))
+	mahjongServer := logic.NewMahjongServer(mjStore, auth.NewAuthClient(authConn), deli)
 	go func() {
 		err = mahjongServer.Run(conf.Grpc, dis)
 		if err != nil {

internal/chat/logic/chat_server.go

@@ -2,6 +2,7 @@ package logic
 
 import (
 	"context"
+	"fmt"
 	"google.golang.org/grpc"
 	"google.golang.org/grpc/reflection"
 	"google.golang.org/protobuf/types/known/emptypb"
@@ -12,18 +13,29 @@ import (
 	"sonet/pkg/grpc/interceptor"
 	"sonet/pkg/protocol/deliver"
 	"sonet/pkg/protocol/session"
+	"sonet/pkg/utils/collect"
 	"sonet/pkg/utils/logger"
 	"sonet/pkg/utils/shutdown"
+	"strconv"
+	"sync/atomic"
+	"time"
 )
 
 type ChatServer struct {
 	chat.UnimplementedChatServer
 	deliver      *deliver.Deliver
+	deliverGroup *deliver.GroupDeliver
+	roomId       int64
+	rooms        *collect.ConcurrentMap[string, *chat.Group]
 }
 
-func NewChatServer(deliver *deliver.Deliver) *ChatServer {
+func NewChatServer(deliver *deliver.Deliver, deliverGroup *deliver.GroupDeliver) *ChatServer {
+	rooms := collect.NewConcurrentMap[string, *chat.Group](32, func(k string) string { return k })
 	return &ChatServer{
 		deliver:      deliver,
+		deliverGroup: deliverGroup,
+		roomId:       90000,
+		rooms:        rooms,
 	}
 }
 
@@ -71,7 +83,7 @@ func (s *ChatServer) Send(ctx context.Context, req *chat.ReqSend) (*chat.ResSend
 		return nil, err
 	}
 
-	// TODO 存储消息，ack 队列重发(可异步发送)，asc超时第二次发送时同步判断是否不在线？
+	// TODO 消息队列消峰发送，ack 队列重发(可异步发送)，asc超时第二次发送时同步判断是否不在线？
 
 	// 投递消息
 	message := &chat.ChatMessage{Sender: subject.Uid, Content: req.Content}
@@ -83,30 +95,104 @@ func (s *ChatServer) Send(ctx context.Context, req *chat.ReqSend) (*chat.ResSend
 	return &chat.ResSend{}, nil
 }
 
-func (s *ChatServer) RoomSend(ctx context.Context, send *chat.ReqRoomSend) (*chat.ResSend, error) {
+func (s *ChatServer) RoomSend(ctx context.Context, req *chat.ReqRoomSend) (res *chat.ResSend, err error) {
-	return nil, nil
+	subject, err := session.GetSubject(ctx)
+	if err != nil {
+		return nil, err
+	}
+	gMessage := &chat.ChatMessage{
+		Type:    1,
+		Sender:  subject.Uid,
+		Gid:     req.Gid,
+		Content: req.Message,
+	}
+	err = s.deliverGroup.DeliverGroup(ctx, req.Gid, gMessage)
+	return
+}
+
+func (s *ChatServer) RoomCreate(ctx context.Context, req *chat.ReqRoomCreate) (res *chat.ResRoomCreate, err error) {
+	subject, err := session.GetSubject(ctx)
+	if err != nil {
+		return nil, err
+	}
+	logger.Infof("create room: %s", req.Gname)
+
+	group := &chat.Group{
+		Gid:       strconv.Itoa(int(atomic.AddInt64(&s.roomId, 1))),
+		MasterUid: subject.Uid,
+		UserLimit: 10000,
+		UserNum:   1,
+		Gname:     req.Gname,
+		CreateUid: subject.Uid,
+		CreateAt:  time.Now().UnixMilli(),
+	}
+
+	// join postal group
+	err = s.deliverGroup.GroupJoin(ctx, subject.Uid, []string{group.Gid})
+	if err != nil {
+		return
+	}
+
+	s.rooms.Store(group.Gid, group)
+	res = &chat.ResRoomCreate{Group: group}
+	return
+}
+
+func (s *ChatServer) RoomJoin(ctx context.Context, req *chat.ReqRoomJoin) (_ *emptypb.Empty, err error) {
+	subject, err := session.GetSubject(ctx)
+	if err != nil {
+		return nil, err
 	}
 
-func (s *ChatServer) RoomCreate(ctx context.Context, create *chat.ReqRoomCreate) (*chat.ResRoomCreate, error) {
+	room, ok := s.rooms.Load(req.Gid)
-	return nil, nil
+	if !ok {
+		err = fmt.Errorf("room %s not exists", req.Gid)
+		return
 	}
+	atomic.AddInt32(&room.UserNum, 1)
 
-func (s *ChatServer) RoomJoin(ctx context.Context, join *chat.ReqRoomJoin) (*emptypb.Empty, error) {
+	err = s.deliverGroup.GroupJoin(ctx, subject.Uid, []string{req.Gid})
-	return nil, nil
+	return
 }
 
-func (s *ChatServer) RoomLeave(ctx context.Context, leave *chat.ReqRoomLeave) (*emptypb.Empty, error) {
+func (s *ChatServer) RoomLeave(ctx context.Context, req *chat.ReqRoomLeave) (_ *emptypb.Empty, err error) {
-	return nil, nil
+	subject, err := session.GetSubject(ctx)
+	if err != nil {
+		return nil, err
 	}
 
-func (s *ChatServer) RoomKickOut(ctx context.Context, out *chat.ReqRoomKickOut) (*emptypb.Empty, error) {
+	room, ok := s.rooms.Load(req.Gid)
-	return nil, nil
+	if !ok {
+		err = fmt.Errorf("room %s not exists", req.Gid)
+		return
 	}
+	atomic.AddInt32(&room.UserNum, -1)
 
-func (s *ChatServer) RoomInfo(ctx context.Context, info *chat.ReqRoomInfo) (*chat.ResRoomInfo, error) {
+	err = s.deliverGroup.GroupLeave(ctx, subject.Uid, []string{req.Gid})
-	return nil, nil
+	return
 }
 
-func (s *ChatServer) RoomList(ctx context.Context, list *chat.ReqRoomList) (*chat.ResRoomList, error) {
+func (s *ChatServer) RoomKickOut(ctx context.Context, req *chat.ReqRoomKickOut) (_ *emptypb.Empty, err error) {
-	return nil, nil
+	return
+}
+
+func (s *ChatServer) RoomInfo(ctx context.Context, req *chat.ReqRoomInfo) (res *chat.ResRoomInfo, err error) {
+	room, ok := s.rooms.Load(req.Gid)
+	if !ok {
+		err = fmt.Errorf("room %s not exists", req.Gid)
+		return
+	}
+
+	res = &chat.ResRoomInfo{Group: room}
+	return
+}
+
+func (s *ChatServer) RoomList(ctx context.Context, req *chat.ReqRoomList) (res *chat.ResRoomList, err error) {
+	rooms := make([]*chat.Group, 16)
+	s.rooms.Range(func(_ string, room *chat.Group) bool {
+		rooms = append(rooms, room)
+		return true
+	})
+	res = &chat.ResRoomList{Groups: rooms}
+	return
 }

internal/gateway_http/logic/http_server.go

@@ -9,6 +9,7 @@ import (
 	"sonet/pkg/protocol/session"
 	"sonet/pkg/utils/resp"
 	"sonet/pkg/utils/strs"
+	"time"
 )
 
 type GrpcGenericHandler struct {
@@ -39,11 +40,14 @@ func (h *GrpcGenericHandler) handler(c *gin.Context) {
 		return
 	}
 
-	grpcClient, err := h.grpcFactory.GetClient(ctx, svc)
+	ctx2, cancel := context.WithTimeout(ctx, time.Second*3)
+	defer cancel()
+	grpcClient, err := h.grpcFactory.GetClient(ctx2, svc)
 	if err != nil {
 		c.JSON(http.StatusForbidden, resp.Error(err.Error()))
 		return
 	}
+
 	body := make(map[string]interface{})
 	err = c.BindJSON(&body)
 	if err != nil {
@@ -51,7 +55,9 @@ func (h *GrpcGenericHandler) handler(c *gin.Context) {
 		return
 	}
 
-	res, err := grpcClient.InvokeUnaryJson(ctx, method, body)
+	ctx3, cancel := context.WithTimeout(ctx, time.Second*10)
+	defer cancel()
+	res, err := grpcClient.InvokeUnaryJson(ctx3, method, body)
 	if err != nil {
 		c.JSON(http.StatusInternalServerError, resp.Error(err.Error()))
 		return

internal/gateway_http/logic/postal_monitor.go

@@ -1,80 +0,0 @@
-package logic
-
-import (
-	"context"
-	"go.etcd.io/etcd/api/v3/mvccpb"
-	clientv3 "go.etcd.io/etcd/client/v3"
-	"sonet/api/gen/postal"
-	"sonet/pkg/grpc/discovery"
-	"sonet/pkg/utils/logger"
-)
-
-type PostalMonitor struct {
-	client    *clientv3.Client
-	keyPrefix string
-}
-
-func NewPostalMonitor(client *clientv3.Client) *PostalMonitor {
-	return &PostalMonitor{
-		client: client,
-	}
-}
-
-func (m *PostalMonitor) Init(ctx context.Context) (err error) {
-	m.keyPrefix = discovery.BuildPrefix(discovery.Server{Name: postal.Postal_ServiceDesc.ServiceName})
-	go m.watch(ctx)
-	m.build(ctx)
-	return
-}
-
-func (m *PostalMonitor) Next() {
-
-}
-
-func (m *PostalMonitor) build(ctx context.Context) {
-	res, err := m.client.Get(ctx, m.keyPrefix, clientv3.WithPrefix())
-	if err != nil {
-		return
-	}
-	//for _, kv := range res.Kvs {
-	//
-	//}
-	m.update(res.Kvs)
-
-}
-
-func (m *PostalMonitor) watch(ctx context.Context) {
-	w := m.client.Watch(ctx, m.keyPrefix, clientv3.WithPrefix())
-	cancelCh := ctx.Done()
-
-	for {
-		select {
-		case <-cancelCh:
-			return
-		case res := <-w:
-			if err := res.Err(); err != nil {
-				logger.Errorf("watch etcd instance error: %v\n", err)
-				continue
-			}
-			rebuild := false
-		eLoop:
-			for _, event := range res.Events {
-				switch event.Type {
-				case clientv3.EventTypePut:
-					fallthrough
-				case clientv3.EventTypeDelete:
-					rebuild = true
-					break eLoop
-				}
-			}
-			if rebuild {
-				go m.build(ctx)
-			}
-		}
-	}
-
-}
-
-func (m *PostalMonitor) update(value []*mvccpb.KeyValue) {
-
-}

internal/gateway_ws/gws_server/conn_handler.go

@@ -110,7 +110,9 @@ func (c *GwsHandler) OnMessage(socket *gws.Conn, message *gws.Message) {
 
 	// grpc generic call
 	ctx := context.Background()
-	grpcClient, err := c.grpcFactory.GetClient(ctx, service)
+	ctx2, cancel2 := context.WithTimeout(ctx, time.Second*3)
+	defer cancel2()
+	grpcClient, err := c.grpcFactory.GetClient(ctx2, service)
 	if err != nil {
 		logger.Error("get grpc generic client error: ", err)
 		writeError(conn, header.SeqId, fmt.Sprintf("service %s not avaliable: %s", header.Svc, err.Error()))
@@ -120,7 +122,10 @@ func (c *GwsHandler) OnMessage(socket *gws.Conn, message *gws.Message) {
 	if authorized {
 		ctx = session.PutSubject(ctx, session.NewRpcSubject(sessionUid))
 	}
-	resp, err := grpcClient.InvokeUnary(ctx, header.Target, payload.Body)
+
+	ctx3, cancel3 := context.WithTimeout(ctx, time.Second*10)
+	defer cancel3()
+	resp, err := grpcClient.InvokeUnary(ctx3, header.Target, payload.Body)
 	if err != nil {
 		writeError(conn, header.SeqId, unwrapRpcError(err.Error()))
 		logger.Error("grpc generic call error: ", err)

internal/gateway_ws/server/ws_server.go

@@ -97,7 +97,9 @@ func (c *ConnHandler) handleConn(conn *websocket.Conn) {
 
 		// grpc generic call
 		ctx := context.Background()
-		grpcClient, err := c.grpcFactory.GetClient(ctx, service)
+		ctx2, cancel2 := context.WithTimeout(ctx, time.Second*3)
+		grpcClient, err := c.grpcFactory.GetClient(ctx2, service)
+		cancel2()
 		if err != nil {
 			logger.Error("get grpc generic client error: ", err)
 			writeError(wsConn, header.SeqId, fmt.Sprintf("service %s not avaliable: %s", header.Svc, err.Error()))
@@ -107,7 +109,9 @@ func (c *ConnHandler) handleConn(conn *websocket.Conn) {
 		if sessionUid != "" {
 			ctx = session.PutSubject(ctx, session.NewRpcSubject(sessionUid))
 		}
-		resp, err := grpcClient.InvokeUnary(ctx, header.Target, payload.Body)
+		ctx3, cancel3 := context.WithTimeout(ctx, time.Second*10)
+		resp, err := grpcClient.InvokeUnary(ctx3, header.Target, payload.Body)
+		cancel3()
 		if err != nil {
 			writeError(wsConn, header.SeqId, unwrapRpcError(err.Error()))
 			logger.Error("grpc generic call error: ", err)
@@ -172,16 +176,16 @@ func (c *ConnHandler) extractAuthVerify(conn *wsConn, resp []byte) (sessionUid s
 	}
 
 	// 关闭旧的链接
-	oldConn, ok := c.sessionStore.Load(sessionUid)
+	oldChannel, ok := c.sessionStore.Load(sessionUid)
 	if ok {
 		// TODO nats offline / force load subject target cluster call offline
-		if err = oldConn.(*wsConn).conn.Close(); err != nil {
+		if err = oldChannel.Conn.(*wsConn).conn.Close(); err != nil {
 			logger.Error("old conn close error: ", err)
 		}
 		logger.Infof("close subject old conn: %s\n", sessionUid)
 	}
 	// 存储session到内存
-	c.sessionStore.Store(sessionUid, conn)
+	c.sessionStore.Store(sessionUid, session.NewChannel(sessionUid, conn))
 	logger.Infof("subject online: %s\n", sessionUid)
 	return
 }

internal/mahjong/logic/mahjong_server.go

@@ -26,15 +26,18 @@ import (
 type MahjongServer struct {
 	mahjong.UnimplementedMahjongServer
 	store      *store.Store
-	deliver    *deliver.Deliver
 	authClient auth.AuthClient
+	deliver    *deliver.Deliver
 }
 
-func NewMahjongServer(store *store.Store, deliver *deliver.Deliver, authClient auth.AuthClient) *MahjongServer {
+func NewMahjongServer(
+	store *store.Store,
+	authClient auth.AuthClient,
+	deliver *deliver.Deliver) *MahjongServer {
 	return &MahjongServer{
 		store:      store,
-		deliver:    deliver,
 		authClient: authClient,
+		deliver:    deliver,
 	}
 }
 

internal/postal/logic/postal_server.go

@@ -16,6 +16,7 @@ import (
 	"sonet/pkg/plugins/cache"
 	"sonet/pkg/plugins/mq"
 	"sonet/pkg/protocol"
+	"sonet/pkg/protocol/event"
 	"sonet/pkg/protocol/session"
 	"sonet/pkg/utils/collect"
 	"sonet/pkg/utils/logger"
@@ -101,8 +102,16 @@ func (s *PostalServer) processSessionStoreEvent(ctx context.Context) {
 
 		case uid := <-s.sessionStore.OnStore():
 			logger.Info("uid %s online", uid)
-			// todo mq event..., delay 5s
+			// publish mq online event todo delay 5s
-			// s.producer.Publish()
+			online := &event.Online{Uid: uid}
+			data, err := online.MarshalBinary()
+			if err != nil {
+				logger.Errorf("marshal %s online event error: %v", uid, err)
+				continue
+			}
+			if err = s.producer.Publish(online.Topic(), data); err != nil {
+				logger.Errorf("publish %s online event error: %v", uid, err)
+			}
 
 		case channel := <-s.sessionStore.OnDelete():
 			logger.Info("uid %s offline", channel.Uid)
@@ -111,7 +120,16 @@ func (s *PostalServer) processSessionStoreEvent(ctx context.Context) {
 					g.Leave(channel.Uid)
 				}
 			}
-			// todo mq event...
+			// publish mq offline event todo delay 5s
+			offline := event.Offline{Uid: channel.Uid}
+			data, err := offline.MarshalBinary()
+			if err != nil {
+				logger.Errorf("marshal %s offline event error: %v", channel.Uid, err)
+				continue
+			}
+			if err = s.producer.Publish(offline.Topic(), data); err != nil {
+				logger.Errorf("publish %s offline event error: %v", channel.Uid, err)
+			}
 		}
 	}
 }

pkg/grpc/generic/generic_client.go

@@ -117,8 +117,8 @@ func (c *GrpcGenericClient) invokeUnary0(ctx context.Context, method string, req
 	if err != nil {
 		return
 	}
-	ctx, cancel := context.WithTimeout(ctx, 10*time.Second)
+	// ctx, cancel := context.WithTimeout(ctx, 10*time.Second)
-	defer cancel()
+	// defer cancel()
 	res, err := caller.Stub.InvokeRpc(ctx, caller.Mtd, request, opts...)
 	if err != nil {
 		return

pkg/plugins/mq/nats_jet_stream.go

@@ -144,6 +144,7 @@ func (mq *NatsJetStreamConsumer) Subscribe(filterSubject string, channel string,
 	}
 
 	consumeContext, err := consumer.Consume(func(msg jetstream.Msg) {
+		// todo recover error
 		message := &Message{
 			Body: msg.Data(),
 			Time: time.Now().UnixMilli(),

pkg/protocol/deliver/deliver_group.go

@@ -9,35 +9,46 @@ import (
 	"sonet/api/gen/postal"
 	"sonet/pkg/grpc/balancer"
 	"sonet/pkg/grpc/discovery"
+	"sonet/pkg/plugins/mq"
+	"sonet/pkg/protocol/event"
 	"sonet/pkg/utils/logger"
 	"sync"
+	"sync/atomic"
 )
 
 type GroupLoader interface {
-	Load(uid string) (groupIds []string)
+	Load(uid string) (groupIds []string, err error)
 }
 
 type GroupDeliver struct {
 	svcName                 string
 	groupLoader             GroupLoader
+	consumer                mq.Consumer
 	resolver                discovery.Resolver
 	postal                  postal.PostalClient // postal consistent hash client
-	postalDialOptions []grpc.DialOption
+	directPostalDialOptions []grpc.DialOption
-	postals           map[string]*Postal
+	directPostals           *atomic.Value //map[string]*Postal , postal server 直连客户端
 	lock                    *sync.RWMutex
 }
 
 func NewGroupDeliver(
 	msgInServiceName string,
 	groupLoader GroupLoader,
+	consumer mq.Consumer,
 	resolver discovery.Resolver,
-	postalDialOptions []grpc.DialOption,
+	directPostalDialOptions []grpc.DialOption,
 ) *GroupDeliver {
+	directPostals := &atomic.Value{}
+	directPostals.Store(make(map[string]*Postal, 3))
+
 	return &GroupDeliver{
 		svcName:                 msgInServiceName,
 		groupLoader:             groupLoader,
+		consumer:                consumer,
 		resolver:                resolver,
-		postalDialOptions: postalDialOptions,
+		directPostalDialOptions: directPostalDialOptions,
+		directPostals:           directPostals,
+		lock:                    &sync.RWMutex{},
 	}
 }
 
@@ -59,9 +70,39 @@ func (d *GroupDeliver) Init(ctx context.Context, grpcResolver discovery.GrpcReso
 	if err != nil {
 		return
 	}
+
+	err = d.subscribe()
 	return
 }
 
+// toPostalGid 加上 svc name 前缀避免和其他服务群组冲突
+func (d *GroupDeliver) toPostalGid(gid string) string {
+	return d.svcName + "." + gid
+}
+
+// subscribe postal online events
+func (d *GroupDeliver) subscribe() error {
+	consumerChannel := fmt.Sprintf("%s:%s", "deliver", d.svcName)
+	return d.consumer.Subscribe(event.TopicOnline, consumerChannel, func(message *mq.Message) (err error) {
+		online := &event.Online{}
+		if e := online.UnmarshalBinary(message.Body); e != nil {
+			logger.Error("deliver unmarshal online event payload error: ", e)
+			return
+		}
+		// load uid groups join to postal
+		groupIds, err := d.groupLoader.Load(online.Uid)
+		if err != nil {
+			logger.Error("deliver load groups error:", err)
+			return
+		}
+		if err = d.GroupJoin(context.Background(), online.Uid, groupIds); err != nil {
+			logger.Errorf("deliver uid %s group join error: %v", online.Uid, err)
+			return
+		}
+		return
+	})
+}
+
 func (d *GroupDeliver) initPostal(ctx context.Context, resolver discovery.GrpcResolver, opts ...grpc.DialOption) (err error) {
 	balancer.InitConsistentHashBuilder()
 	rb, err := resolver.Resolver()
@@ -105,13 +146,14 @@ func (d *GroupDeliver) watchPostal(ctx context.Context) (err error) {
 
 func (d *GroupDeliver) buildPostals(servers []discovery.Server) {
 	postals := make(map[string]*Postal)
+	directPostals := d.directPostals.Load().(map[string]*Postal)
 	for _, server := range servers {
-		if p, ok := d.postals[server.Addr]; ok {
+		if p, ok := directPostals[server.Addr]; ok {
 			postals[server.Addr] = p
 			continue
 		}
 		// new connection
-		conn, err := grpc.DialContext(context.Background(), server.Addr, d.postalDialOptions...)
+		conn, err := grpc.DialContext(context.Background(), server.Addr, d.directPostalDialOptions...)
 		if err != nil {
 			logger.Errorf("dial postal server %+v error: %v", server.Addr, err)
 			continue
@@ -120,39 +162,49 @@ func (d *GroupDeliver) buildPostals(servers []discovery.Server) {
 	}
 
 	// close old connection
-	oldPostals := d.postals
+	oldPostals := directPostals
-	d.postals = postals
+	d.directPostals.Store(postals)
 	for addr, p := range oldPostals {
-		if _, ok := d.postals[addr]; !ok {
+		if _, ok := postals[addr]; !ok {
 			p.Close()
 		}
 	}
 }
 
 func (d *GroupDeliver) DeliverGroup(ctx context.Context, gid string, msg proto.Message, options ...Option) (err error) {
+	gid = d.toPostalGid(gid)
+
 	// deliver to all postal
 	message, err := protoMessage2Deliver(d.svcName, msg)
 	if err != nil {
 		return
 	}
 	req := postal.ReqDeliverGroup{Gid: gid, Msg: message}
-	for _, p := range d.postals {
+	for _, p := range d.directPostals.Load().(map[string]*Postal) {
 		p.DeliverGroup(&req)
 	}
 	return
 }
 
 func (d *GroupDeliver) GroupDissolve(gid string) {
+	gid = d.toPostalGid(gid)
+
 	req := postal.ReqGroupDissolve{Gid: gid}
-	for _, p := range d.postals {
+	for _, p := range d.directPostals.Load().(map[string]*Postal) {
 		p.GroupDissolve(&req)
 	}
 }
 
 func (d *GroupDeliver) GroupJoin(ctx context.Context, uid string, gids []string) (err error) {
-	req := &postal.ReqGroupJoin{Uid: uid, Gids: gids}
+	if len(gids) == 0 {
+		return
+	}
+	for i := 0; i < len(gids); i++ {
+		gids[i] = d.toPostalGid(gids[i])
+	}
 
 	ctx = context.WithValue(ctx, balancer.ConsistentHashKey, uid)
+	req := &postal.ReqGroupJoin{Uid: uid, Gids: gids}
 	_, err = d.postal.GroupJoin(ctx, req)
 	return
 }

pkg/protocol/event/event.go

@@ -1,22 +1,52 @@
 package event
 
-type Event[T any] interface {
+import (
+	"encoding"
+	"github.com/bytedance/sonic"
+)
+
+const (
+	TopicOnline  = "postal:event:online"
+	TopicOffline = "postal:event:offline"
+)
+
+type Event interface {
 	Topic() string
-	Payload2Bytes(T) []byte
+	encoding.BinaryMarshaler
-	Bytes2Payload([]byte) T
+	encoding.BinaryUnmarshaler
+}
+
+// Online ==================================================== Online
+type Online struct {
+	Uid string
+}
+
+func (o *Online) Topic() string {
+	return TopicOnline
+}
+func (o *Online) MarshalBinary() (data []byte, err error) {
+	data, err = sonic.Marshal(o)
+	return
+}
+
+func (o *Online) UnmarshalBinary(data []byte) error {
+	return sonic.Unmarshal(data, o)
 }
 
-type online struct {
+// Offline ==================================================== Offline
+type Offline struct {
+	Uid string
 }
 
-func (o *online) Topic() string {
+func (o *Offline) Topic() string {
-	return "postal_event_online"
+	return TopicOffline
 }
 
-func (o *online) Payload2Bytes(t string) []byte {
+func (o *Offline) MarshalBinary() (data []byte, err error) {
-	return []byte(t)
+	data, err = sonic.Marshal(o)
+	return
 }
 
-func (o *online) Bytes2Payload(bytes []byte) string {
+func (o *Offline) UnmarshalBinary(data []byte) error {
-	return string(bytes)
+	return sonic.Unmarshal(data, o)
 }