mirror of
https://github.com/etcd-io/etcd.git
synced 2024-09-27 06:25:44 +00:00
101 lines
2.5 KiB
Go
101 lines
2.5 KiB
Go
// Copyright 2022 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 linearizability
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import (
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"context"
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"sync"
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"testing"
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"time"
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"go.uber.org/zap"
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"go.etcd.io/etcd/api/v3/mvccpb"
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clientv3 "go.etcd.io/etcd/client/v3"
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"go.etcd.io/etcd/tests/v3/framework/e2e"
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)
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func collectClusterWatchEvents(ctx context.Context, t *testing.T, clus *e2e.EtcdProcessCluster) [][]watchEvent {
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mux := sync.Mutex{}
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var wg sync.WaitGroup
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memberEvents := make([][]watchEvent, len(clus.Procs))
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for i, member := range clus.Procs {
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c, err := clientv3.New(clientv3.Config{
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Endpoints: member.EndpointsV3(),
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Logger: zap.NewNop(),
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DialKeepAliveTime: 1 * time.Millisecond,
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DialKeepAliveTimeout: 5 * time.Millisecond,
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})
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if err != nil {
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t.Fatal(err)
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}
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wg.Add(1)
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go func(i int, c *clientv3.Client) {
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defer wg.Done()
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defer c.Close()
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events := collectMemberWatchEvents(ctx, t, c)
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mux.Lock()
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memberEvents[i] = events
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mux.Unlock()
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}(i, c)
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}
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wg.Wait()
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return memberEvents
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}
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func collectMemberWatchEvents(ctx context.Context, t *testing.T, c *clientv3.Client) []watchEvent {
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events := []watchEvent{}
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var lastRevision int64 = 1
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for {
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select {
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case <-ctx.Done():
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return events
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default:
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}
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for resp := range c.Watch(ctx, "", clientv3.WithPrefix(), clientv3.WithRev(lastRevision)) {
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lastRevision = resp.Header.Revision
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time := time.Now()
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for _, event := range resp.Events {
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var op OperationType
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switch event.Type {
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case mvccpb.PUT:
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op = Put
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case mvccpb.DELETE:
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op = Delete
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}
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events = append(events, watchEvent{
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Time: time,
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Revision: event.Kv.ModRevision,
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Op: EtcdOperation{
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Type: op,
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Key: string(event.Kv.Key),
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Value: string(event.Kv.Value),
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},
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})
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}
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if resp.Err() != nil {
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t.Logf("Watch error: %v", resp.Err())
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}
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}
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}
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}
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type watchEvent struct {
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Op EtcdOperation
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Revision int64
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Time time.Time
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}
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