mirror of
https://github.com/chrislusf/seaweedfs
synced 2025-06-29 08:12:47 +02:00
02773a6107
* rename * set agent address * refactor * add agent sub * pub messages * grpc new client * can publish records via agent * send init message with session id * fmt * check cancelled request while waiting * use sessionId * handle possible nil stream * subscriber process messages * separate debug port * use atomic int64 * less logs * minor * skip io.EOF * rename * remove unused * use saved offsets * do not reuse session, since always session id is new after restart remove last active ts from SessionEntry * simplify printing * purge unused * just proxy the subscription, skipping the session step * adjust offset types * subscribe offset type and possible value * start after the known tsns * avoid wrongly set startPosition * move * remove * refactor * typo * fix * fix changed path
55 lines
1.5 KiB
Go
55 lines
1.5 KiB
Go
package agent
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import (
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"github.com/seaweedfs/seaweedfs/weed/mq/client/pub_client"
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"github.com/seaweedfs/seaweedfs/weed/mq/client/sub_client"
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"github.com/seaweedfs/seaweedfs/weed/pb"
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"github.com/seaweedfs/seaweedfs/weed/pb/mq_agent_pb"
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"google.golang.org/grpc"
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"sync"
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)
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type SessionId int64
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type SessionEntry[T any] struct {
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entry T
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}
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type MessageQueueAgentOptions struct {
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SeedBrokers []pb.ServerAddress
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}
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type MessageQueueAgent struct {
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mq_agent_pb.UnimplementedSeaweedMessagingAgentServer
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option *MessageQueueAgentOptions
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brokers []pb.ServerAddress
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grpcDialOption grpc.DialOption
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publishers map[SessionId]*SessionEntry[*pub_client.TopicPublisher]
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publishersLock sync.RWMutex
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subscribers map[SessionId]*SessionEntry[*sub_client.TopicSubscriber]
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subscribersLock sync.RWMutex
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}
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func NewMessageQueueAgent(option *MessageQueueAgentOptions, grpcDialOption grpc.DialOption) *MessageQueueAgent {
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// initialize brokers which may change later
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var brokers []pb.ServerAddress
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for _, broker := range option.SeedBrokers {
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brokers = append(brokers, broker)
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}
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return &MessageQueueAgent{
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option: option,
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brokers: brokers,
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grpcDialOption: grpcDialOption,
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publishers: make(map[SessionId]*SessionEntry[*pub_client.TopicPublisher]),
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subscribers: make(map[SessionId]*SessionEntry[*sub_client.TopicSubscriber]),
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}
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}
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func (a *MessageQueueAgent) brokersList() []string {
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var brokers []string
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for _, broker := range a.brokers {
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brokers = append(brokers, broker.String())
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}
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return brokers
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}
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