wait 3 seconds before shutting down publish client, to wait for all messages to be received

weed/mq/broker/broker_grpc_pub.go

@@ -7,10 +7,10 @@ import (
 	"github.com/seaweedfs/seaweedfs/weed/mq/topic"
 	"github.com/seaweedfs/seaweedfs/weed/pb/mq_pb"
 	"google.golang.org/grpc/peer"
+	"io"
 	"math/rand"
 	"net"
 	"sync/atomic"
-	"time"
 )
 
 // PUB
@@ -75,14 +75,17 @@ func (b *MessageQueueBroker) PublishMessage(stream mq_pb.SeaweedMessaging_Publis
 	respChan := make(chan *mq_pb.PublishMessageResponse, 128)
 	defer func() {
 		atomic.StoreInt32(&isStopping, 1)
+		respChan <- &mq_pb.PublishMessageResponse{
+			AckSequence: ackSequence,
+		}
 		close(respChan)
 		localTopicPartition.Publishers.RemovePublisher(clientName)
 		if localTopicPartition.MaybeShutdownLocalPartition() {
 			b.localTopicManager.RemoveTopicPartition(t, p)
 		}
+		glog.V(0).Infof("topic %v partition %v published %d messges.", initMessage.Topic, initMessage.Partition, ackSequence)
 	}()
 	go func() {
-		ticker := time.NewTicker(1 * time.Second)
 		for {
 			select {
 			case resp := <-respChan:
@@ -93,15 +96,6 @@ func (b *MessageQueueBroker) PublishMessage(stream mq_pb.SeaweedMessaging_Publis
 				} else {
 					return
 				}
-			case <-ticker.C:
-				if atomic.LoadInt32(&isStopping) == 0 {
-					response := &mq_pb.PublishMessageResponse{
-						AckSequence: ackSequence,
-					}
-					respChan <- response
-				} else {
-					return
-				}
 			case <-localTopicPartition.StopPublishersCh:
 				respChan <- &mq_pb.PublishMessageResponse{
 					AckSequence: ackSequence,
@@ -116,6 +110,10 @@ func (b *MessageQueueBroker) PublishMessage(stream mq_pb.SeaweedMessaging_Publis
 		// receive a message
 		req, err := stream.Recv()
 		if err != nil {
+			if err == io.EOF {
+				break
+			}
+			glog.V(0).Infof("topic %v partition %v publish stream error: %v", initMessage.Topic, initMessage.Partition, err)
 			return err
 		}
 

weed/mq/client/pub_client/scheduler.go

@@ -158,7 +158,7 @@ func (p *TopicPublisher) doPublishToPartition(job *EachPartitionPublishJob) erro
 
 	go func() {
 		for {
-			_, err := publishClient.Recv()
+			ackResp, err := publishClient.Recv()
 			if err != nil {
 				e, ok := status.FromError(err)
 				if ok && e.Code() == codes.Unknown && e.Message() == "EOF" {
@@ -168,9 +168,18 @@ func (p *TopicPublisher) doPublishToPartition(job *EachPartitionPublishJob) erro
 				fmt.Printf("publish to %s error: %v\n", publishClient.Broker, err)
 				return
 			}
+			if ackResp.Error != "" {
+				publishClient.Err = fmt.Errorf("ack error: %v", ackResp.Error)
+				fmt.Printf("publish to %s error: %v\n", publishClient.Broker, ackResp.Error)
+				return
+			}
+			if ackResp.AckSequence > 0 {
+				log.Printf("ack %d", ackResp.AckSequence)
+			}
 		}
 	}()
 
+	publishCounter := 0
 	for data, hasData := job.inputQueue.Dequeue(); hasData; data, hasData = job.inputQueue.Dequeue() {
 		if err := publishClient.Send(&mq_pb.PublishMessageRequest{
 			Message: &mq_pb.PublishMessageRequest_Data{
@@ -179,7 +188,17 @@ func (p *TopicPublisher) doPublishToPartition(job *EachPartitionPublishJob) erro
 		}); err != nil {
 			return fmt.Errorf("send publish data: %v", err)
 		}
+		publishCounter++
 	}
+
+	if err := publishClient.CloseSend(); err != nil {
+		return fmt.Errorf("close send: %v", err)
+	}
+
+	time.Sleep(3 * time.Second)
+
+	log.Printf("published %d messages to %v for topic partition %+v", publishCounter, job.LeaderBroker, job.Partition)
+
 	return nil
 }