remove old code

1 files changed, 0 insertions, 120 deletions

diff --git a/weed/mq/msgclient/subscriber.go b/weed/mq/msgclient/subscriber.go
deleted file mode 100644
index f3da40fb3..000000000
--- a/weed/mq/msgclient/subscriber.go
+++ /dev/null
@@ -1,120 +0,0 @@
-package msgclient
-
-import (
-	"context"
-	"io"
-	"sync"
-	"time"
-
-	"github.com/chrislusf/seaweedfs/weed/mq/broker"
-	"github.com/chrislusf/seaweedfs/weed/pb/mq_pb"
-	"google.golang.org/grpc"
-)
-
-type Subscriber struct {
-	subscriberClients []mq_pb.SeaweedMessaging_SubscribeClient
-	subscriberCancels []context.CancelFunc
-	subscriberId      string
-}
-
-func (mc *MessagingClient) NewSubscriber(subscriberId, namespace, topic string, partitionId int, startTime time.Time) (*Subscriber, error) {
-	// read topic configuration
-	topicConfiguration := &mq_pb.TopicConfiguration{
-		PartitionCount: 4,
-	}
-	subscriberClients := make([]mq_pb.SeaweedMessaging_SubscribeClient, topicConfiguration.PartitionCount)
-	subscriberCancels := make([]context.CancelFunc, topicConfiguration.PartitionCount)
-
-	for i := 0; i < int(topicConfiguration.PartitionCount); i++ {
-		if partitionId >= 0 && i != partitionId {
-			continue
-		}
-		tp := broker.TopicPartition{
-			Namespace: namespace,
-			Topic:     topic,
-			Partition: int32(i),
-		}
-		grpcClientConn, err := mc.findBroker(tp)
-		if err != nil {
-			return nil, err
-		}
-		ctx, cancel := context.WithCancel(context.Background())
-		client, err := setupSubscriberClient(ctx, grpcClientConn, tp, subscriberId, startTime)
-		if err != nil {
-			return nil, err
-		}
-		subscriberClients[i] = client
-		subscriberCancels[i] = cancel
-	}
-
-	return &Subscriber{
-		subscriberClients: subscriberClients,
-		subscriberCancels: subscriberCancels,
-		subscriberId:      subscriberId,
-	}, nil
-}
-
-func setupSubscriberClient(ctx context.Context, grpcConnection *grpc.ClientConn, tp broker.TopicPartition, subscriberId string, startTime time.Time) (stream mq_pb.SeaweedMessaging_SubscribeClient, err error) {
-	stream, err = mq_pb.NewSeaweedMessagingClient(grpcConnection).Subscribe(ctx)
-	if err != nil {
-		return
-	}
-
-	// send init message
-	err = stream.Send(&mq_pb.SubscriberMessage{
-		Init: &mq_pb.SubscriberMessage_InitMessage{
-			Namespace:     tp.Namespace,
-			Topic:         tp.Topic,
-			Partition:     tp.Partition,
-			StartPosition: mq_pb.SubscriberMessage_InitMessage_TIMESTAMP,
-			TimestampNs:   startTime.UnixNano(),
-			SubscriberId:  subscriberId,
-		},
-	})
-	if err != nil {
-		return
-	}
-
-	return stream, nil
-}
-
-func doSubscribe(subscriberClient mq_pb.SeaweedMessaging_SubscribeClient, processFn func(m *mq_pb.Message)) error {
-	for {
-		resp, listenErr := subscriberClient.Recv()
-		if listenErr == io.EOF {
-			return nil
-		}
-		if listenErr != nil {
-			println(listenErr.Error())
-			return listenErr
-		}
-		if resp.Data == nil {
-			// this could be heartbeat from broker
-			continue
-		}
-		processFn(resp.Data)
-	}
-}
-
-// Subscribe starts goroutines to process the messages
-func (s *Subscriber) Subscribe(processFn func(m *mq_pb.Message)) {
-	var wg sync.WaitGroup
-	for i := 0; i < len(s.subscriberClients); i++ {
-		if s.subscriberClients[i] != nil {
-			wg.Add(1)
-			go func(subscriberClient mq_pb.SeaweedMessaging_SubscribeClient) {
-				defer wg.Done()
-				doSubscribe(subscriberClient, processFn)
-			}(s.subscriberClients[i])
-		}
-	}
-	wg.Wait()
-}
-
-func (s *Subscriber) Shutdown() {
-	for i := 0; i < len(s.subscriberClients); i++ {
-		if s.subscriberCancels[i] != nil {
-			s.subscriberCancels[i]()
-		}
-	}
-}