mirror of
https://github.com/etcd-io/etcd.git
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90 lines
2.0 KiB
Go
90 lines
2.0 KiB
Go
// Copyright 2018 The etcd Authors
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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 tester
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import "sync"
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// compositeStresser implements a Stresser that runs a slice of
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// stressing clients concurrently.
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type compositeStresser struct {
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stressers []Stresser
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}
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func (cs *compositeStresser) Stress() error {
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for i, s := range cs.stressers {
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if err := s.Stress(); err != nil {
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for j := 0; j < i; j++ {
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cs.stressers[j].Close()
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}
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return err
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}
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}
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return nil
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}
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func (cs *compositeStresser) Pause() (ems map[string]int) {
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ems = make(map[string]int)
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var wg sync.WaitGroup
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wg.Add(len(cs.stressers))
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for i := range cs.stressers {
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go func(s Stresser) {
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defer wg.Done()
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errs := s.Pause()
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for k, v := range errs {
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ems[k] += v
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}
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}(cs.stressers[i])
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}
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wg.Wait()
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return ems
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}
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func (cs *compositeStresser) Close() (ems map[string]int) {
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ems = make(map[string]int)
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var wg sync.WaitGroup
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wg.Add(len(cs.stressers))
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for i := range cs.stressers {
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go func(s Stresser) {
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defer wg.Done()
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errs := s.Close()
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for k, v := range errs {
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ems[k] += v
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}
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}(cs.stressers[i])
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}
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wg.Wait()
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return ems
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}
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func (cs *compositeStresser) ModifiedKeys() (modifiedKey int64) {
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for _, stress := range cs.stressers {
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modifiedKey += stress.ModifiedKeys()
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}
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return modifiedKey
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}
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func (cs *compositeStresser) Checker() Checker {
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var chks []Checker
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for _, s := range cs.stressers {
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if chk := s.Checker(); chk != nil {
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chks = append(chks, chk)
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}
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}
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if len(chks) == 0 {
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return nil
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}
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return newCompositeChecker(chks)
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}
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