seaweedfs/weed/mq/sub_coordinator/consumer_group.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

42 lines
1.3 KiB
Go

package sub_coordinator
import (
cmap "github.com/orcaman/concurrent-map/v2"
"github.com/seaweedfs/seaweedfs/weed/mq/pub_balancer"
"github.com/seaweedfs/seaweedfs/weed/mq/topic"
"github.com/seaweedfs/seaweedfs/weed/pb/mq_pb"
)
type ConsumerGroupInstance struct {
InstanceId string
// the consumer group instance may not have an active partition
Partitions []*topic.Partition
ResponseChan chan *mq_pb.SubscriberToSubCoordinatorResponse
}
type ConsumerGroup struct {
// map a consumer group instance id to a consumer group instance
ConsumerGroupInstances cmap.ConcurrentMap[string, *ConsumerGroupInstance]
mapping *PartitionConsumerMapping
}
func NewConsumerGroup() *ConsumerGroup {
return &ConsumerGroup{
ConsumerGroupInstances: cmap.New[*ConsumerGroupInstance](),
mapping: NewPartitionConsumerMapping(pub_balancer.MaxPartitionCount),
}
}
func NewConsumerGroupInstance(instanceId string) *ConsumerGroupInstance {
return &ConsumerGroupInstance{
InstanceId: instanceId,
ResponseChan: make(chan *mq_pb.SubscriberToSubCoordinatorResponse, 1),
}
}
func (cg *ConsumerGroup) OnAddConsumerGroupInstance(consumerGroupInstance string, topic *mq_pb.Topic) {
}
func (cg *ConsumerGroup) OnRemoveConsumerGroupInstance(consumerGroupInstance string, topic *mq_pb.Topic) {
}
func (cg *ConsumerGroup) OnPartitionListChange() {
}