mirror of
https://github.com/yunionio/cloudpods.git
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57 lines
1.6 KiB
Go
57 lines
1.6 KiB
Go
// Copyright 2019 Yunion
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// 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 appsrv
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import (
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"fmt"
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"github.com/serialx/hashring"
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"yunion.io/x/pkg/util/stringutils"
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)
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type SHashedWorkerManager struct {
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workers []*SWorkerManager
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workerRing *hashring.HashRing
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indexMap map[string]int
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}
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func NewHashWorkerManager(name string, workerCount int, subWorkerCnt int, backlog int, dbWorker bool) *SHashedWorkerManager {
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workers := make([]*SWorkerManager, workerCount)
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syncWorkerIndexes := make([]string, workerCount)
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indexMap := map[string]int{}
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for i := range workers {
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workers[i] = NewWorkerManager(
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fmt.Sprintf("%s-%d", name, i+1),
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subWorkerCnt,
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backlog,
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dbWorker,
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)
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syncWorkerIndexes[i] = stringutils.UUID4()
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indexMap[syncWorkerIndexes[i]] = i
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}
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workerRing := hashring.New(syncWorkerIndexes)
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return &SHashedWorkerManager{
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workers: workers,
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workerRing: workerRing,
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indexMap: indexMap,
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}
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}
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func (man *SHashedWorkerManager) GetWorkerManager(key string) *SWorkerManager {
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nodeIdxStr, _ := man.workerRing.GetNode(key)
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return man.workers[man.indexMap[nodeIdxStr]]
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}
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