mirror of
https://gitee.com/milvus-io/milvus.git
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2926a78968
* rename package name from proxynode to proxy Signed-off-by: yudong.cai <yudong.cai@zilliz.com> * move distributed/proxynode to distributed/proxy Signed-off-by: yudong.cai <yudong.cai@zilliz.com> * move internal/proxynode to internal/proxy Signed-off-by: yudong.cai <yudong.cai@zilliz.com> * rename proxynode to proxy Signed-off-by: yudong.cai <yudong.cai@zilliz.com>
152 lines
3.5 KiB
Go
152 lines
3.5 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 proxy
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import (
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"context"
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"sync"
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"time"
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"go.uber.org/zap"
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"github.com/apache/pulsar-client-go/pulsar"
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"github.com/milvus-io/milvus/internal/log"
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"github.com/milvus-io/milvus/internal/msgstream"
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"github.com/milvus-io/milvus/internal/proto/commonpb"
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"github.com/milvus-io/milvus/internal/proto/internalpb"
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)
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type tickCheckFunc = func(Timestamp) bool
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type timeTick struct {
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lastTick Timestamp
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currentTick Timestamp
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interval time.Duration
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pulsarProducer pulsar.Producer
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tsoAllocator *TimestampAllocator
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tickMsgStream msgstream.MsgStream
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msFactory msgstream.Factory
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peerID UniqueID
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wg sync.WaitGroup
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ctx context.Context
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cancel func()
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timer *time.Ticker
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tickLock sync.RWMutex
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checkFunc tickCheckFunc
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}
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func newTimeTick(ctx context.Context,
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tsoAllocator *TimestampAllocator,
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interval time.Duration,
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checkFunc tickCheckFunc,
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factory msgstream.Factory) *timeTick {
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ctx1, cancel := context.WithCancel(ctx)
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t := &timeTick{
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ctx: ctx1,
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cancel: cancel,
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tsoAllocator: tsoAllocator,
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interval: interval,
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peerID: Params.ProxyID,
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checkFunc: checkFunc,
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msFactory: factory,
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}
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t.tickMsgStream, _ = t.msFactory.NewMsgStream(t.ctx)
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t.tickMsgStream.AsProducer(Params.ProxyTimeTickChannelNames)
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log.Debug("proxy", zap.Strings("proxy AsProducer", Params.ProxyTimeTickChannelNames))
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return t
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}
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func (tt *timeTick) tick() error {
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if tt.lastTick == tt.currentTick {
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ts, err := tt.tsoAllocator.AllocOne()
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if err != nil {
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return err
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}
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tt.currentTick = ts
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}
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if !tt.checkFunc(tt.currentTick) {
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return nil
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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{uint32(Params.ProxyID)},
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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: tt.currentTick,
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SourceID: tt.peerID,
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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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err := tt.tickMsgStream.Produce(&msgPack)
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if err != nil {
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log.Warn("proxy", zap.String("error", err.Error()))
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}
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tt.tickLock.Lock()
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defer tt.tickLock.Unlock()
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tt.lastTick = tt.currentTick
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return nil
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}
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func (tt *timeTick) tickLoop() {
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defer tt.wg.Done()
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tt.timer = time.NewTicker(tt.interval)
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for {
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select {
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case <-tt.timer.C:
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if err := tt.tick(); err != nil {
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log.Warn("timeTick error")
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}
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case <-tt.ctx.Done():
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return
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}
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}
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}
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func (tt *timeTick) LastTick() Timestamp {
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tt.tickLock.RLock()
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defer tt.tickLock.RUnlock()
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return tt.lastTick
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}
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func (tt *timeTick) Start() error {
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tt.lastTick = 0
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ts, err := tt.tsoAllocator.AllocOne()
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if err != nil {
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return err
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}
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tt.currentTick = ts
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tt.tickMsgStream.Start()
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tt.wg.Add(1)
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go tt.tickLoop()
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return nil
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}
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func (tt *timeTick) Close() {
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if tt.timer != nil {
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tt.timer.Stop()
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}
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tt.cancel()
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tt.tickMsgStream.Close()
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tt.wg.Wait()
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}
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