add follower id info

weed/mq/broker/broker_grpc_pub_follow.go

@@ -23,7 +23,7 @@ func (b *MessageQueueBroker) PublishFollowMe(c context.Context, request *mq_pb.P
 			Message: &mq_pb.FollowInMemoryMessagesRequest_Init{
 				Init: &mq_pb.FollowInMemoryMessagesRequest_InitMessage{
 					ConsumerGroup: string(b.option.BrokerAddress()),
-					ConsumerId:    fmt.Sprintf("followMe-%d", followerId),
+					ConsumerId:    fmt.Sprintf("followMe@%s-%d", b.option.BrokerAddress(), followerId),
 					FollowerId:    followerId,
 					Topic:         request.Topic,
 					PartitionOffset: &mq_pb.PartitionOffset{
@@ -52,7 +52,7 @@ func (b *MessageQueueBroker) PublishFollowMe(c context.Context, request *mq_pb.P
 		}
 		wg.Done()
 
-		b.doFollowInMemoryMessage(context.Background(), subscribeClient)
+		b.doFollowInMemoryMessage(context.Background(), followerId, subscribeClient)
 
 		return nil
 	})
@@ -60,7 +60,7 @@ func (b *MessageQueueBroker) PublishFollowMe(c context.Context, request *mq_pb.P
 	return &mq_pb.PublishFollowMeResponse{}, ret
 }
 
-func (b *MessageQueueBroker) doFollowInMemoryMessage(c context.Context, client mq_pb.SeaweedMessaging_FollowInMemoryMessagesClient) {
+func (b *MessageQueueBroker) doFollowInMemoryMessage(c context.Context, followerId int32, client mq_pb.SeaweedMessaging_FollowInMemoryMessagesClient) {
 	for {
 		resp, err := client.Recv()
 		if err != nil {
@@ -87,9 +87,11 @@ func (b *MessageQueueBroker) doFollowInMemoryMessage(c context.Context, client m
 				}
 				if m.Ctrl.FollowerChangedToId != 0 {
 					// follower changed
-					glog.V(0).Infof("doFollowInMemoryMessage follower changed to %d", m.Ctrl.FollowerChangedToId)
+					glog.V(0).Infof("doFollowInMemoryMessage follower changed from %d to %d", followerId, m.Ctrl.FollowerChangedToId)
 					return
 				}
+			default:
+				glog.V(0).Infof("doFollowInMemoryMessage unknown message type: %v", m)
 			}
 		}
 	}