clean up dead code

weed/mq/client/sub_client/subscribe.go

@@ -1,13 +1,5 @@
 package sub_client
 
-import (
-	"fmt"
-	"github.com/seaweedfs/seaweedfs/weed/util"
-	"io"
-	"log"
-	"time"
-)
-
 // Subscribe subscribes to a topic's specified partitions.
 // If a partition is moved to another broker, the subscriber will automatically reconnect to the new broker.
 
@@ -15,39 +7,5 @@ func (sub *TopicSubscriber) Subscribe() error {
 	// loop forever
 	sub.doKeepConnectedToSubCoordinator()
 
-
-
-	index := -1
-	util.RetryUntil("subscribe", func() error {
-		index++
-		index = index % len(sub.bootstrapBrokers)
-		// ask balancer for brokers of the topic
-		if err := sub.doLookup(sub.bootstrapBrokers[index]); err != nil {
-			return fmt.Errorf("lookup topic %s/%s: %v", sub.ContentConfig.Namespace, sub.ContentConfig.Topic, err)
-		}
-		if len(sub.brokerPartitionAssignments) == 0 {
-			if sub.waitForMoreMessage {
-				time.Sleep(1 * time.Second)
-				return fmt.Errorf("no broker partition assignments")
-			} else {
-				return nil
-			}
-		}
-		// treat the first broker as the topic leader
-		// connect to the leader broker
-
-		// subscribe to the topic
-		if err := sub.doProcess(); err != nil {
-			return fmt.Errorf("subscribe topic %s/%s: %v", sub.ContentConfig.Namespace, sub.ContentConfig.Topic, err)
-		}
-		return nil
-	}, func(err error) bool {
-		if err == io.EOF {
-			log.Printf("subscriber %s/%s: %v", sub.ContentConfig.Namespace, sub.ContentConfig.Topic, err)
-			sub.waitForMoreMessage = false
-			return false
-		}
-		return true
-	})
 	return nil
 }