diff options
Diffstat (limited to 'weed/mq/topic/local_partition.go')
| -rw-r--r-- | weed/mq/topic/local_partition.go | 59 |
1 files changed, 36 insertions, 23 deletions
diff --git a/weed/mq/topic/local_partition.go b/weed/mq/topic/local_partition.go index 49b639dfa..aa1274ff5 100644 --- a/weed/mq/topic/local_partition.go +++ b/weed/mq/topic/local_partition.go @@ -11,19 +11,23 @@ import ( type LocalPartition struct { Partition - isLeader bool - FollowerBrokers []pb.ServerAddress - logBuffer *log_buffer.LogBuffer - ConsumerCount int32 + isLeader bool + FollowerBrokers []pb.ServerAddress + logBuffer *log_buffer.LogBuffer + ConsumerCount int32 + StopPublishersCh chan struct{} + Publishers *LocalPartitionPublishers + StopSubscribersCh chan struct{} + Subscribers *LocalPartitionSubscribers } -func NewLocalPartition(topic Topic, partition Partition, isLeader bool, followerBrokers []pb.ServerAddress) *LocalPartition { +func NewLocalPartition(partition Partition, isLeader bool, followerBrokers []pb.ServerAddress) *LocalPartition { return &LocalPartition{ Partition: partition, isLeader: isLeader, FollowerBrokers: followerBrokers, logBuffer: log_buffer.NewLogBuffer( - fmt.Sprintf("%s/%s/%4d-%4d", topic.Namespace, topic.Name, partition.RangeStart, partition.RangeStop), + fmt.Sprintf("%d/%4d-%4d", partition.UnixTimeNs, partition.RangeStart, partition.RangeStop), 2*time.Minute, func(startTime, stopTime time.Time, buf []byte) { @@ -32,34 +36,43 @@ func NewLocalPartition(topic Topic, partition Partition, isLeader bool, follower }, ), + Publishers: NewLocalPartitionPublishers(), + Subscribers: NewLocalPartitionSubscribers(), } } type OnEachMessageFn func(logEntry *filer_pb.LogEntry) error -func (p LocalPartition) Publish(message *mq_pb.DataMessage) { +func (p *LocalPartition) Publish(message *mq_pb.DataMessage) { p.logBuffer.AddToBuffer(message.Key, message.Value, time.Now().UnixNano()) } -func (p LocalPartition) Subscribe(clientName string, startReadTime time.Time, eachMessageFn OnEachMessageFn) { - p.logBuffer.LoopProcessLogData(clientName, startReadTime, 0, func() bool { - return true - }, eachMessageFn) +func (p *LocalPartition) Subscribe(clientName string, startReadTime time.Time, onNoMessageFn func() bool, eachMessageFn OnEachMessageFn) { + p.logBuffer.LoopProcessLogData(clientName, startReadTime, 0, onNoMessageFn, eachMessageFn) } func FromPbBrokerPartitionAssignment(self pb.ServerAddress, assignment *mq_pb.BrokerPartitionAssignment) *LocalPartition { - isLeaer := assignment.LeaderBroker == string(self) - localPartition := &LocalPartition{ - Partition: FromPbPartition(assignment.Partition), - isLeader: isLeaer, - } - if !isLeaer { - return localPartition - } + isLeader := assignment.LeaderBroker == string(self) followers := make([]pb.ServerAddress, len(assignment.FollowerBrokers)) - for i, follower := range assignment.FollowerBrokers { - followers[i] = pb.ServerAddress(follower) + for i, followerBroker := range assignment.FollowerBrokers { + followers[i] = pb.ServerAddress(followerBroker) + } + return NewLocalPartition(FromPbPartition(assignment.Partition), isLeader, followers) +} + +func (p *LocalPartition) closePublishers() { + p.Publishers.SignalShutdown() + close(p.StopPublishersCh) +} +func (p *LocalPartition) closeSubscribers() { + p.Subscribers.SignalShutdown() +} + +func (p *LocalPartition) WaitUntilNoPublishers() { + for { + if p.Publishers.IsEmpty() { + return + } + time.Sleep(113 * time.Millisecond) } - localPartition.FollowerBrokers = followers - return localPartition } |
