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Diffstat (limited to 'weed/messaging/broker/topic_lock.go')
-rw-r--r--weed/messaging/broker/topic_lock.go103
1 files changed, 0 insertions, 103 deletions
diff --git a/weed/messaging/broker/topic_lock.go b/weed/messaging/broker/topic_lock.go
deleted file mode 100644
index f8a5aa171..000000000
--- a/weed/messaging/broker/topic_lock.go
+++ /dev/null
@@ -1,103 +0,0 @@
-package broker
-
-import (
- "fmt"
- "sync"
- "time"
-
- "github.com/chrislusf/seaweedfs/weed/filer2"
- "github.com/chrislusf/seaweedfs/weed/glog"
- "github.com/chrislusf/seaweedfs/weed/pb/messaging_pb"
- "github.com/chrislusf/seaweedfs/weed/util/log_buffer"
-)
-
-type TopicPartition struct {
- Namespace string
- Topic string
- Partition int32
-}
-type TopicLock struct {
- sync.Mutex
- cond *sync.Cond
- subscriberCount int
- publisherCount int
- logBuffer *log_buffer.LogBuffer
-}
-
-type TopicLocks struct {
- sync.Mutex
- locks map[TopicPartition]*TopicLock
- broker *MessageBroker
-}
-
-func NewTopicLocks(messageBroker *MessageBroker) *TopicLocks {
- return &TopicLocks{
- locks: make(map[TopicPartition]*TopicLock),
- broker: messageBroker,
- }
-}
-
-func (locks *TopicLocks) buildLogBuffer(tl *TopicLock, tp TopicPartition, topicConfig *messaging_pb.TopicConfiguration) *log_buffer.LogBuffer {
-
- flushFn := func(startTime, stopTime time.Time, buf []byte) {
-
- if topicConfig.IsTransient {
- // return
- }
-
- // fmt.Printf("flushing with topic config %+v\n", topicConfig)
-
- targetFile := fmt.Sprintf(
- "%s/%s/%s/%04d-%02d-%02d/%02d-%02d.part%02d",
- filer2.TopicsDir, tp.Namespace, tp.Topic,
- startTime.Year(), startTime.Month(), startTime.Day(), startTime.Hour(), startTime.Minute(),
- tp.Partition,
- )
-
- if err := locks.broker.appendToFile(targetFile, topicConfig, buf); err != nil {
- glog.V(0).Infof("log write failed %s: %v", targetFile, err)
- }
- }
- logBuffer := log_buffer.NewLogBuffer(time.Minute, flushFn, func() {
- tl.cond.Broadcast()
- })
-
- return logBuffer
-}
-
-func (tl *TopicLocks) RequestLock(partition TopicPartition, topicConfig *messaging_pb.TopicConfiguration, isPublisher bool) *TopicLock {
- tl.Lock()
- defer tl.Unlock()
-
- lock, found := tl.locks[partition]
- if !found {
- lock = &TopicLock{}
- lock.cond = sync.NewCond(&lock.Mutex)
- tl.locks[partition] = lock
- lock.logBuffer = tl.buildLogBuffer(lock, partition, topicConfig)
- }
- if isPublisher {
- lock.publisherCount++
- } else {
- lock.subscriberCount++
- }
- return lock
-}
-
-func (tl *TopicLocks) ReleaseLock(partition TopicPartition, isPublisher bool) {
- tl.Lock()
- defer tl.Unlock()
-
- lock, found := tl.locks[partition]
- if !found {
- return
- }
- if isPublisher {
- lock.publisherCount--
- } else {
- lock.subscriberCount--
- }
- if lock.subscriberCount <= 0 && lock.publisherCount <= 0 {
- delete(tl.locks, partition)
- }
-}