mirror of
https://gitee.com/milvus-io/milvus.git
synced 2024-12-03 04:19:18 +08:00
124 lines
3.4 KiB
Go
124 lines
3.4 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 datanode
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import (
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"context"
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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/datapb"
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"github.com/milvus-io/milvus/internal/util/flowgraph"
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"go.uber.org/zap"
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)
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type dataSyncService struct {
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ctx context.Context
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fg *flowgraph.TimeTickedFlowGraph
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flushChan <-chan *flushMsg
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replica Replica
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idAllocator allocatorInterface
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msFactory msgstream.Factory
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collectionID UniqueID
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}
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func newDataSyncService(ctx context.Context,
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flushChan <-chan *flushMsg,
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replica Replica,
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alloc allocatorInterface,
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factory msgstream.Factory,
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vchan *datapb.VchannelInfo) *dataSyncService {
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service := &dataSyncService{
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ctx: ctx,
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fg: nil,
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flushChan: flushChan,
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replica: replica,
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idAllocator: alloc,
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msFactory: factory,
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collectionID: vchan.GetCollectionID(),
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}
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service.initNodes(vchan)
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return service
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}
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func (dsService *dataSyncService) start() {
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log.Debug("Data Sync Service Start Successfully")
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if dsService.fg != nil {
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dsService.fg.Start()
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} else {
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log.Debug("Data Sync Service flowgraph nil")
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}
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}
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func (dsService *dataSyncService) close() {
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if dsService.fg != nil {
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dsService.fg.Close()
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}
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}
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func (dsService *dataSyncService) initNodes(vchanPair *datapb.VchannelInfo) {
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// TODO: add delete pipeline support
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dsService.fg = flowgraph.NewTimeTickedFlowGraph(dsService.ctx)
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m := map[string]interface{}{
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"PulsarAddress": Params.PulsarAddress,
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"ReceiveBufSize": 1024,
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"PulsarBufSize": 1024,
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}
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err := dsService.msFactory.SetParams(m)
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if err != nil {
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panic(err)
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}
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var dmStreamNode Node = newDmInputNode(dsService.ctx, dsService.msFactory, vchanPair.GetChannelName(), vchanPair.GetCheckPoints())
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var ddNode Node = newDDNode()
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var insertBufferNode Node = newInsertBufferNode(dsService.ctx, dsService.replica, dsService.msFactory, dsService.idAllocator, dsService.flushChan)
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dsService.fg.AddNode(dmStreamNode)
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dsService.fg.AddNode(ddNode)
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dsService.fg.AddNode(insertBufferNode)
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// ddStreamNode
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err = dsService.fg.SetEdges(dmStreamNode.Name(),
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[]string{},
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[]string{ddNode.Name()},
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)
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if err != nil {
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log.Error("set edges failed in node", zap.String("name", dmStreamNode.Name()), zap.Error(err))
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panic("set edges faild in the node")
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}
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// ddNode
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err = dsService.fg.SetEdges(ddNode.Name(),
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[]string{dmStreamNode.Name()},
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[]string{insertBufferNode.Name()},
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)
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if err != nil {
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log.Error("set edges failed in node", zap.String("name", ddNode.Name()), zap.Error(err))
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panic("set edges faild in the node")
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}
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// insertBufferNode
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err = dsService.fg.SetEdges(insertBufferNode.Name(),
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[]string{ddNode.Name()},
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[]string{},
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)
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if err != nil {
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log.Error("set edges failed in node", zap.String("name", insertBufferNode.Name()), zap.Error(err))
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panic("set edges faild in the node")
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}
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}
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