mirror of
https://gitee.com/milvus-io/milvus.git
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92 lines
2.5 KiB
Go
92 lines
2.5 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "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
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package querycoord
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import (
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"sync"
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"github.com/milvus-io/milvus/internal/proto/querypb"
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)
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type replicaSlice = []*querypb.ReplicaInfo
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type ReplicaInfos struct {
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globalGuard sync.RWMutex // We have to make sure atomically update replicas and index
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// Persistent Info
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replicas map[UniqueID]*querypb.ReplicaInfo // replica_id -> *ReplicaInfo
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// Non-persistent info
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nodeIndex map[UniqueID][]*querypb.ReplicaInfo // node_id -> []*ReplicaInfo
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}
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func NewReplicaInfos() *ReplicaInfos {
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return &ReplicaInfos{
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globalGuard: sync.RWMutex{},
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replicas: make(map[int64]*querypb.ReplicaInfo),
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nodeIndex: make(map[int64][]*querypb.ReplicaInfo),
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}
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}
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func (rep *ReplicaInfos) Get(replicaID UniqueID) (*querypb.ReplicaInfo, bool) {
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rep.globalGuard.RLock()
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defer rep.globalGuard.RUnlock()
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info, ok := rep.replicas[replicaID]
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return info, ok
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}
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// Make sure atomically update replica and index
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func (rep *ReplicaInfos) Insert(info *querypb.ReplicaInfo) {
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rep.globalGuard.Lock()
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defer rep.globalGuard.Unlock()
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old, ok := rep.replicas[info.ReplicaId]
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// This updates ReplicaInfo, not inserts a new one
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// No need to update nodeIndex
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if ok {
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*old = *info
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return
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}
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rep.replicas[info.ReplicaId] = info
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for _, nodeID := range info.NodeIds {
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replicas, ok := rep.nodeIndex[nodeID]
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if !ok {
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replicas = make([]*querypb.ReplicaInfo, 0)
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rep.nodeIndex[nodeID] = replicas
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}
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replicas = append(replicas, info)
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rep.nodeIndex[nodeID] = replicas
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}
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}
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func (rep *ReplicaInfos) GetReplicasByNodeID(nodeID UniqueID) []*querypb.ReplicaInfo {
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rep.globalGuard.RLock()
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defer rep.globalGuard.RUnlock()
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// Avoid to create entry if nodeID not found
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replicas, ok := rep.nodeIndex[nodeID]
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if !ok {
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return nil
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}
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return replicas
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}
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