seaweedfs/weed/mq/topic/local_partition_publishers.go
Chris Lu 580940bf82
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
2023-12-11 12:05:54 -08:00

53 lines
1.1 KiB
Go

package topic
import "sync"
type LocalPartitionPublishers struct {
publishers map[string]*LocalPublisher
publishersLock sync.RWMutex
}
type LocalPublisher struct {
}
func NewLocalPublisher() *LocalPublisher {
return &LocalPublisher{}
}
func (p *LocalPublisher) SignalShutdown() {
}
func NewLocalPartitionPublishers() *LocalPartitionPublishers {
return &LocalPartitionPublishers{
publishers: make(map[string]*LocalPublisher),
}
}
func (p *LocalPartitionPublishers) AddPublisher(clientName string, publisher *LocalPublisher) {
p.publishersLock.Lock()
defer p.publishersLock.Unlock()
p.publishers[clientName] = publisher
}
func (p *LocalPartitionPublishers) RemovePublisher(clientName string) {
p.publishersLock.Lock()
defer p.publishersLock.Unlock()
delete(p.publishers, clientName)
}
func (p *LocalPartitionPublishers) SignalShutdown() {
p.publishersLock.RLock()
defer p.publishersLock.RUnlock()
for _, publisher := range p.publishers {
publisher.SignalShutdown()
}
}
func (p *LocalPartitionPublishers) IsEmpty() bool {
p.publishersLock.RLock()
defer p.publishersLock.RUnlock()
return len(p.publishers) == 0
}