mirror of
https://gitee.com/milvus-io/milvus.git
synced 2024-12-04 04:49:08 +08:00
103 lines
2.7 KiB
Go
103 lines
2.7 KiB
Go
// Copyright (C) 2019-2020 Zilliz. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software distributed under the License
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// is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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// or implied. See the License for the specific language governing permissions and limitations under the License.
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package proxyservice
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import (
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"context"
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"sync"
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"go.uber.org/zap"
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"github.com/zilliztech/milvus-distributed/internal/log"
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"github.com/zilliztech/milvus-distributed/internal/msgstream"
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"github.com/zilliztech/milvus-distributed/internal/proto/commonpb"
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"github.com/zilliztech/milvus-distributed/internal/proto/internalpb"
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)
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type TimeTick struct {
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ttBarrier TimeTickBarrier
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channels []msgstream.MsgStream
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wg sync.WaitGroup
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ctx context.Context
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cancel context.CancelFunc
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}
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func (tt *TimeTick) Start() error {
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log.Debug("start time tick ...")
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tt.wg.Add(1)
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go func() {
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defer tt.wg.Done()
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for {
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select {
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case <-tt.ctx.Done():
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log.Debug("time tick loop was canceled by context!")
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return
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default:
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current, err := tt.ttBarrier.GetTimeTick()
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if err != nil {
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log.Error("GetTimeTick error", zap.Error(err))
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break
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}
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msgPack := msgstream.MsgPack{}
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timeTickMsg := &msgstream.TimeTickMsg{
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BaseMsg: msgstream.BaseMsg{
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HashValues: []uint32{0},
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},
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TimeTickMsg: internalpb.TimeTickMsg{
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Base: &commonpb.MsgBase{
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MsgType: commonpb.MsgType_TimeTick,
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MsgID: 0,
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Timestamp: current,
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SourceID: 0,
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},
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},
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}
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msgPack.Msgs = append(msgPack.Msgs, timeTickMsg)
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for _, msg := range msgPack.Msgs {
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log.Debug("proxyservice", zap.Stringer("msg type", msg.Type()))
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}
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for _, channel := range tt.channels {
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err = channel.Broadcast(&msgPack)
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if err != nil {
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log.Error("proxyservice", zap.String("send time tick error", err.Error()))
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}
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}
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}
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}
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}()
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for _, channel := range tt.channels {
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channel.Start()
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}
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err := tt.ttBarrier.Start()
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if err != nil {
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return err
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}
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return nil
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}
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func (tt *TimeTick) Close() {
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for _, channel := range tt.channels {
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channel.Close()
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}
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tt.ttBarrier.Close()
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tt.cancel()
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tt.wg.Wait()
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}
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func newTimeTick(ctx context.Context, ttBarrier TimeTickBarrier, channels ...msgstream.MsgStream) *TimeTick {
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ctx1, cancel := context.WithCancel(ctx)
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return &TimeTick{ctx: ctx1, cancel: cancel, ttBarrier: ttBarrier, channels: channels}
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}
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