gsh-digital-services/seaweedFS
5
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

able to read chan and write chan

Browse Source
This commit is contained in:
Chris Lu
2020-05-08 02:47:22 -07:00
parent a8bc8eb351
commit dfccc3c263
23 changed files with 734 additions and 260 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
weed/messaging/msgclient/subscriber.go
View File

@@ -5,6 +5,7 @@ import (
"io"
"time"
"google.golang.org/grpc"
"github.com/chrislusf/seaweedfs/weed/pb/messaging_pb"
)
@@ -13,6 +14,7 @@ type Subscriber struct {
subscriberId string
}
/*
func (mc *MessagingClient) NewSubscriber(subscriberId, namespace, topic string, startTime time.Time) (*Subscriber, error) {
// read topic configuration
topicConfiguration := &messaging_pb.TopicConfiguration{
@@ -36,9 +38,9 @@ func (mc *MessagingClient) NewSubscriber(subscriberId, namespace, topic string,
func (mc *MessagingClient) setupSubscriberClient(subscriberId, namespace, topic string, partition int32, startTime time.Time) (messaging_pb.SeaweedMessaging_SubscribeClient, error) {
stream, newBroker, err := mc.initSubscriberClient(subscriberId, namespace, topic, partition, startTime)
stream, err := setupSubscriberClient(subscriberId, namespace, topic, partition, startTime)
if err != nil {
return client, err
return stream, err
}
if newBroker != nil {
@@ -47,6 +49,7 @@ func (mc *MessagingClient) setupSubscriberClient(subscriberId, namespace, topic
return stream, nil
}
*/
func setupSubscriberClient(grpcConnection *grpc.ClientConn, subscriberId string, namespace string, topic string, partition int32, startTime time.Time) (stream messaging_pb.SeaweedMessaging_SubscribeClient, err error) {
stream, err = messaging_pb.NewSeaweedMessagingClient(grpcConnection).Subscribe(context.Background())
@@ -70,13 +73,10 @@ func setupSubscriberClient(grpcConnection *grpc.ClientConn, subscriberId string,
}
// process init response
initResponse, err := stream.Recv()
_, err = stream.Recv()
if err != nil {
return
}
if initResponse.Redirect != nil {
// TODO follow redirection
}
return stream, nil
}