seaweedfs/weed/mq/client/sub_client/process.go

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2023-10-01 18:59:19 +00:00
package sub_client
import (
"context"
"fmt"
"github.com/seaweedfs/seaweedfs/weed/pb"
"github.com/seaweedfs/seaweedfs/weed/pb/mq_pb"
"sync"
)
func (sub *TopicSubscriber) doProcess() error {
var wg sync.WaitGroup
for _, brokerPartitionAssignment := range sub.brokerPartitionAssignments {
brokerAddress := brokerPartitionAssignment.LeaderBroker
grpcConnection, err := pb.GrpcDial(context.Background(), brokerAddress, true, sub.SubscriberConfig.GrpcDialOption)
if err != nil {
return fmt.Errorf("dial broker %s: %v", brokerAddress, err)
}
brokerClient := mq_pb.NewSeaweedMessagingClient(grpcConnection)
subscribeClient, err := brokerClient.Subscribe(context.Background(), &mq_pb.SubscribeRequest{
Message: &mq_pb.SubscribeRequest_Init{
Init: &mq_pb.SubscribeRequest_InitMessage{
ConsumerGroup: sub.SubscriberConfig.GroupId,
ConsumerId: sub.SubscriberConfig.GroupInstanceId,
Topic: &mq_pb.Topic{
Namespace: sub.ContentConfig.Namespace,
Name: sub.ContentConfig.Topic,
},
Partition: &mq_pb.Partition{
RingSize: brokerPartitionAssignment.Partition.RingSize,
RangeStart: brokerPartitionAssignment.Partition.RangeStart,
RangeStop: brokerPartitionAssignment.Partition.RangeStop,
},
Filter: sub.ContentConfig.Filter,
Merge accumulated changes related to message queue (#5098) * balance partitions on brokers * prepare topic partition first and then publish, move partition * purge unused APIs * clean up * adjust logs * add BalanceTopics() grpc API * configure topic * configure topic command * refactor * repair missing partitions * sequence of operations to ensure ordering * proto to close publishers and consumers * rename file * topic partition versioned by unixTimeNs * create local topic partition * close publishers * randomize the client name * wait until no publishers * logs * close stop publisher channel * send last ack * comments * comment * comments * support list of brokers * add cli options * Update .gitignore * logs * return io.eof directly * refactor * optionally create topic * refactoring * detect consumer disconnection * sub client wait for more messages * subscribe by time stamp * rename * rename to sub_balancer * rename * adjust comments * rename * fix compilation * rename * rename * SubscriberToSubCoordinator * sticky rebalance * go fmt * add tests * balance partitions on brokers * prepare topic partition first and then publish, move partition * purge unused APIs * clean up * adjust logs * add BalanceTopics() grpc API * configure topic * configure topic command * refactor * repair missing partitions * sequence of operations to ensure ordering * proto to close publishers and consumers * rename file * topic partition versioned by unixTimeNs * create local topic partition * close publishers * randomize the client name * wait until no publishers * logs * close stop publisher channel * send last ack * comments * comment * comments * support list of brokers * add cli options * Update .gitignore * logs * return io.eof directly * refactor * optionally create topic * refactoring * detect consumer disconnection * sub client wait for more messages * subscribe by time stamp * rename * rename to sub_balancer * rename * adjust comments * rename * fix compilation * rename * rename * SubscriberToSubCoordinator * sticky rebalance * go fmt * add tests * tracking topic=>broker * merge * comment
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Offset: &mq_pb.SubscribeRequest_InitMessage_StartTimestampNs{
StartTimestampNs: sub.alreadyProcessedTsNs,
},
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},
},
})
if err != nil {
return fmt.Errorf("create subscribe client: %v", err)
}
wg.Add(1)
go func() {
defer wg.Done()
if sub.OnCompletionFunc != nil {
defer sub.OnCompletionFunc()
}
defer func() {
subscribeClient.SendMsg(&mq_pb.SubscribeRequest{
Message: &mq_pb.SubscribeRequest_Ack{
Ack: &mq_pb.SubscribeRequest_AckMessage{
Sequence: 0,
},
},
})
subscribeClient.CloseSend()
}()
for {
resp, err := subscribeClient.Recv()
if err != nil {
fmt.Printf("subscribe error: %v\n", err)
return
}
if resp.Message == nil {
continue
}
switch m := resp.Message.(type) {
case *mq_pb.SubscribeResponse_Data:
if !sub.OnEachMessageFunc(m.Data.Key, m.Data.Value) {
return
}
Merge accumulated changes related to message queue (#5098) * balance partitions on brokers * prepare topic partition first and then publish, move partition * purge unused APIs * clean up * adjust logs * add BalanceTopics() grpc API * configure topic * configure topic command * refactor * repair missing partitions * sequence of operations to ensure ordering * proto to close publishers and consumers * rename file * topic partition versioned by unixTimeNs * create local topic partition * close publishers * randomize the client name * wait until no publishers * logs * close stop publisher channel * send last ack * comments * comment * comments * support list of brokers * add cli options * Update .gitignore * logs * return io.eof directly * refactor * optionally create topic * refactoring * detect consumer disconnection * sub client wait for more messages * subscribe by time stamp * rename * rename to sub_balancer * rename * adjust comments * rename * fix compilation * rename * rename * SubscriberToSubCoordinator * sticky rebalance * go fmt * add tests * balance partitions on brokers * prepare topic partition first and then publish, move partition * purge unused APIs * clean up * adjust logs * add BalanceTopics() grpc API * configure topic * configure topic command * refactor * repair missing partitions * sequence of operations to ensure ordering * proto to close publishers and consumers * rename file * topic partition versioned by unixTimeNs * create local topic partition * close publishers * randomize the client name * wait until no publishers * logs * close stop publisher channel * send last ack * comments * comment * comments * support list of brokers * add cli options * Update .gitignore * logs * return io.eof directly * refactor * optionally create topic * refactoring * detect consumer disconnection * sub client wait for more messages * subscribe by time stamp * rename * rename to sub_balancer * rename * adjust comments * rename * fix compilation * rename * rename * SubscriberToSubCoordinator * sticky rebalance * go fmt * add tests * tracking topic=>broker * merge * comment
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sub.alreadyProcessedTsNs = m.Data.TsNs
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case *mq_pb.SubscribeResponse_Ctrl:
if m.Ctrl.IsEndOfStream || m.Ctrl.IsEndOfTopic {
return
}
}
}
}()
}
wg.Wait()
return nil
}