You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 

116 lines
3.5 KiB

package topic
import (
cmap "github.com/orcaman/concurrent-map/v2"
"github.com/seaweedfs/seaweedfs/weed/pb/mq_pb"
"github.com/seaweedfs/seaweedfs/weed/pb/schema_pb"
"github.com/shirou/gopsutil/v3/cpu"
"time"
)
// LocalTopicManager manages topics on local broker
type LocalTopicManager struct {
topics cmap.ConcurrentMap[string, *LocalTopic]
}
// NewLocalTopicManager creates a new LocalTopicManager
func NewLocalTopicManager() *LocalTopicManager {
return &LocalTopicManager{
topics: cmap.New[*LocalTopic](),
}
}
// AddLocalPartition adds a topic to the local topic manager
func (manager *LocalTopicManager) AddLocalPartition(topic Topic, localPartition *LocalPartition) {
localTopic, ok := manager.topics.Get(topic.String())
if !ok {
localTopic = NewLocalTopic(topic)
}
if !manager.topics.SetIfAbsent(topic.String(), localTopic) {
localTopic, _ = manager.topics.Get(topic.String())
}
localTopic.addPartition(localPartition)
}
// GetLocalPartition gets a topic from the local topic manager
func (manager *LocalTopicManager) GetLocalPartition(topic Topic, partition Partition) *LocalPartition {
localTopic, ok := manager.topics.Get(topic.String())
if !ok {
return nil
}
return localTopic.findPartition(partition)
}
// RemoveTopic removes a topic from the local topic manager
func (manager *LocalTopicManager) RemoveTopic(topic Topic) {
manager.topics.Remove(topic.String())
}
func (manager *LocalTopicManager) RemoveLocalPartition(topic Topic, partition Partition) (removed bool) {
localTopic, ok := manager.topics.Get(topic.String())
if !ok {
return false
}
return localTopic.removePartition(partition)
}
func (manager *LocalTopicManager) ClosePublishers(topic Topic, unixTsNs int64) (removed bool) {
localTopic, ok := manager.topics.Get(topic.String())
if !ok {
return false
}
return localTopic.closePartitionPublishers(unixTsNs)
}
func (manager *LocalTopicManager) CloseSubscribers(topic Topic, unixTsNs int64) (removed bool) {
localTopic, ok := manager.topics.Get(topic.String())
if !ok {
return false
}
return localTopic.closePartitionSubscribers(unixTsNs)
}
func (manager *LocalTopicManager) CollectStats(duration time.Duration) *mq_pb.BrokerStats {
stats := &mq_pb.BrokerStats{
Stats: make(map[string]*mq_pb.TopicPartitionStats),
}
// collect current broker's cpu usage
// this needs to be in front, so the following stats can be more accurate
usages, err := cpu.Percent(duration, false)
if err == nil && len(usages) > 0 {
stats.CpuUsagePercent = int32(usages[0])
}
// collect current broker's topics and partitions
manager.topics.IterCb(func(topic string, localTopic *LocalTopic) {
for _, localPartition := range localTopic.Partitions {
topicPartition := &TopicPartition{
Topic: Topic{Namespace: localTopic.Namespace, Name: localTopic.Name},
Partition: localPartition.Partition,
}
stats.Stats[topicPartition.TopicPartitionId()] = &mq_pb.TopicPartitionStats{
Topic: &schema_pb.Topic{
Namespace: string(localTopic.Namespace),
Name: localTopic.Name,
},
Partition: localPartition.Partition.ToPbPartition(),
PublisherCount: int32(localPartition.Publishers.Size()),
SubscriberCount: int32(localPartition.Subscribers.Size()),
Follower: localPartition.Follower,
}
// fmt.Printf("collect topic %+v partition %+v\n", topicPartition, localPartition.Partition)
}
})
return stats
}
func (manager *LocalTopicManager) WaitUntilNoPublishers(topic Topic) {
localTopic, ok := manager.topics.Get(topic.String())
if !ok {
return
}
localTopic.WaitUntilNoPublishers()
}