mirror of
https://gitee.com/milvus-io/milvus.git
synced 2024-12-04 12:59:23 +08:00
99 lines
2.6 KiB
Go
99 lines
2.6 KiB
Go
// Copyright (C) 2019-2020 Zilliz. All rights reserved.
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance
|
|
// with the License. You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software distributed under the License
|
|
// is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
|
|
// or implied. See the License for the specific language governing permissions and limitations under the License.
|
|
|
|
package timesync
|
|
|
|
import (
|
|
"context"
|
|
"sync"
|
|
|
|
"github.com/milvus-io/milvus/internal/logutil"
|
|
"go.uber.org/zap"
|
|
|
|
"github.com/milvus-io/milvus/internal/log"
|
|
ms "github.com/milvus-io/milvus/internal/msgstream"
|
|
"github.com/milvus-io/milvus/internal/proto/commonpb"
|
|
"github.com/milvus-io/milvus/internal/proto/internalpb"
|
|
)
|
|
|
|
type MsgProducer struct {
|
|
ctx context.Context
|
|
cancel context.CancelFunc
|
|
wg sync.WaitGroup
|
|
ttBarrier TimeTickBarrier
|
|
watchers []TimeTickWatcher
|
|
}
|
|
|
|
func NewTimeSyncMsgProducer(ttBarrier TimeTickBarrier, watchers ...TimeTickWatcher) (*MsgProducer, error) {
|
|
return &MsgProducer{
|
|
ttBarrier: ttBarrier,
|
|
watchers: watchers,
|
|
}, nil
|
|
}
|
|
|
|
func (producer *MsgProducer) broadcastMsg() {
|
|
defer logutil.LogPanic()
|
|
defer producer.wg.Done()
|
|
for {
|
|
select {
|
|
case <-producer.ctx.Done():
|
|
log.Debug("broadcast context done, exit")
|
|
return
|
|
default:
|
|
}
|
|
tt, err := producer.ttBarrier.GetTimeTick()
|
|
if err != nil {
|
|
log.Debug("broadcast get time tick error", zap.Error(err))
|
|
return
|
|
}
|
|
baseMsg := ms.BaseMsg{
|
|
BeginTimestamp: tt,
|
|
EndTimestamp: tt,
|
|
HashValues: []uint32{0},
|
|
}
|
|
timeTickResult := internalpb.TimeTickMsg{
|
|
Base: &commonpb.MsgBase{
|
|
MsgType: commonpb.MsgType_TimeTick,
|
|
MsgID: 0,
|
|
Timestamp: tt,
|
|
SourceID: 0,
|
|
},
|
|
}
|
|
timeTickMsg := &ms.TimeTickMsg{
|
|
BaseMsg: baseMsg,
|
|
TimeTickMsg: timeTickResult,
|
|
}
|
|
for _, watcher := range producer.watchers {
|
|
watcher.Watch(timeTickMsg)
|
|
}
|
|
}
|
|
}
|
|
|
|
func (producer *MsgProducer) Start(ctx context.Context) {
|
|
producer.ctx, producer.cancel = context.WithCancel(ctx)
|
|
producer.wg.Add(1 + len(producer.watchers))
|
|
for _, watcher := range producer.watchers {
|
|
go producer.startWatcher(watcher)
|
|
}
|
|
go producer.broadcastMsg()
|
|
}
|
|
|
|
func (producer *MsgProducer) startWatcher(watcher TimeTickWatcher) {
|
|
defer logutil.LogPanic()
|
|
defer producer.wg.Done()
|
|
watcher.StartBackgroundLoop(producer.ctx)
|
|
}
|
|
|
|
func (producer *MsgProducer) Close() {
|
|
producer.cancel()
|
|
producer.wg.Wait()
|
|
}
|