修改

ipb/helper.go

@@ -1,5 +1,7 @@
 package ipb
 
+import "encoding/json"
+
 func MakeMsg(serviceName string, connId uint32, userId int64, msgId int32, msg []byte) *InternalMsg {
 	return &InternalMsg{
 		ServiceName: serviceName,
@@ -10,14 +12,15 @@ func MakeMsg(serviceName string, connId uint32, userId int64, msgId int32, msg [
 	}
 }
 
-//func MakeRpcMsg(serviceName string, connId uint32, userId int64, msgId int32, msg []byte) *InternalMsg {
-//	return &InternalMsg{
-//		ServiceName: serviceName,
-//		ConnId:      connId,
-//		UserId:      userId,
-//		MsgId:       msgId,
-//		Msg:         msg,
-//		Type:        MsgType_RpcMsg,
-//		RetRpcMsgId: genRpcId(),
-//	}
-//}
+func MakeRpcMsg[T any](rpcMsgId string, userId int64, msg *T) *InternalMsg {
+	data, _ := json.Marshal(msg)
+	return &InternalMsg{
+		ServiceName: "",
+		ConnId:      0,
+		UserId:      userId,
+		MsgId:       0,
+		Msg:         data,
+		Type:        MsgType_RpcMsg,
+		RpcMsgId:    rpcMsgId,
+	}
+}

ipb/helper_test.go

@@ -13,4 +13,6 @@ func TestWipeWarn(t *testing.T) {
 
 	password := fmt.Sprintf("%x", md5.Sum([]byte(username)))
 	t.Log(password)
+	s := "hello world"
+	t.Log(MakeRpcMsg[string]("test.rpc", 0, &s))
 }

service/natsService.go

@@ -144,6 +144,9 @@ func (s *NatsService) Send(topic string, msg *ipb.InternalMsg) error {
 	return s.nats.Publish(topic, data)
 }
 
+// call会阻塞主协程，需要起新协程去等待返回值，业务逻辑则转回主协程处理。
+// 不要将处理返回值的业务逻辑放到新协程，避免业务逻辑中有数据并发问题
+// 比如并发call拉用户数据，然后操作本地的user map
 func (s *NatsService) Call(rpcTopic string, timeout time.Duration, msg *ipb.InternalMsg) (*ipb.InternalMsg, error) {
 	data, _ := proto.Marshal(msg)
 	response, err := s.nats.Rpc(rpcTopic, timeout, data)