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wait on local topic partition creation

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chrislu 2024-01-11 23:08:02 -08:00
parent 61dbdd0ff6
commit 7afaad31a4
1 changed files with 24 additions and 5 deletions
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27
weed/mq/broker/broker_grpc_sub.go
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@ -13,10 +13,17 @@ import (
func (b *MessageQueueBroker) SubscribeMessage(req *mq_pb.SubscribeMessageRequest, stream mq_pb.SeaweedMessaging_SubscribeMessageServer) error { func (b *MessageQueueBroker) SubscribeMessage(req *mq_pb.SubscribeMessageRequest, stream mq_pb.SeaweedMessaging_SubscribeMessageServer) error {
ctx := stream.Context()
clientName := fmt.Sprintf("%s/%s-%s", req.GetInit().ConsumerGroup, req.GetInit().ConsumerId, req.GetInit().ClientId)
t := topic.FromPbTopic(req.GetInit().Topic) t := topic.FromPbTopic(req.GetInit().Topic)
partition := topic.FromPbPartition(req.GetInit().GetPartitionOffset().GetPartition()) partition := topic.FromPbPartition(req.GetInit().GetPartitionOffset().GetPartition())
localTopicPartition := b.localTopicManager.GetTopicPartition(t, partition)
if localTopicPartition == nil { glog.V(0).Infof("Subscriber %s on %v %v connected", req.GetInit().ConsumerId, t, partition)
var localTopicPartition *topic.LocalPartition
localTopicPartition = b.localTopicManager.GetTopicPartition(t, partition)
for localTopicPartition == nil {
stream.Send(&mq_pb.SubscribeMessageResponse{ stream.Send(&mq_pb.SubscribeMessageResponse{
Message: &mq_pb.SubscribeMessageResponse_Ctrl{ Message: &mq_pb.SubscribeMessageResponse_Ctrl{
Ctrl: &mq_pb.SubscribeMessageResponse_CtrlMessage{ Ctrl: &mq_pb.SubscribeMessageResponse_CtrlMessage{
@ -24,10 +31,23 @@ func (b *MessageQueueBroker) SubscribeMessage(req *mq_pb.SubscribeMessageRequest
}, },
}, },
}) })
time.Sleep(337 * time.Millisecond)
// Check if the client has disconnected by monitoring the context
select {
case <-ctx.Done():
err := ctx.Err()
if err == context.Canceled {
// Client disconnected
return nil return nil
} }
glog.V(0).Infof("Subscriber %s disconnected: %v", clientName, err)
return nil
default:
// Continue processing the request
}
localTopicPartition = b.localTopicManager.GetTopicPartition(t, partition)
}
clientName := fmt.Sprintf("%s/%s-%s", req.GetInit().ConsumerGroup, req.GetInit().ConsumerId, req.GetInit().ClientId)
localTopicPartition.Subscribers.AddSubscriber(clientName, topic.NewLocalSubscriber()) localTopicPartition.Subscribers.AddSubscriber(clientName, topic.NewLocalSubscriber())
glog.V(0).Infof("Subscriber %s connected on %v %v", clientName, t, partition) glog.V(0).Infof("Subscriber %s connected on %v %v", clientName, t, partition)
isConnected := true isConnected := true
@ -38,7 +58,6 @@ func (b *MessageQueueBroker) SubscribeMessage(req *mq_pb.SubscribeMessageRequest
glog.V(0).Infof("Subscriber %s on %v %v disconnected", clientName, t, partition) glog.V(0).Infof("Subscriber %s on %v %v disconnected", clientName, t, partition)
}() }()
ctx := stream.Context()
var startPosition log_buffer.MessagePosition var startPosition log_buffer.MessagePosition
var inMemoryOnly bool var inMemoryOnly bool
if req.GetInit()!=nil && req.GetInit().GetPartitionOffset() != nil { if req.GetInit()!=nil && req.GetInit().GetPartitionOffset() != nil {