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This is an automated cherry-pick of pingcap#2415
Signed-off-by: ti-chi-bot <ti-community-prow-bot@tidb.io>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,164 @@ | ||
| // Copyright 2021 PingCAP, Inc. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| package pipeline | ||
|
|
||
| import ( | ||
| "context" | ||
| "errors" | ||
| "sync" | ||
| "sync/atomic" | ||
| "time" | ||
|
|
||
| "github.com/pingcap/check" | ||
| "github.com/pingcap/log" | ||
| "github.com/pingcap/ticdc/cdc/model" | ||
| cdcContext "github.com/pingcap/ticdc/pkg/context" | ||
| "github.com/pingcap/ticdc/pkg/pipeline" | ||
| "github.com/pingcap/ticdc/pkg/retry" | ||
| "github.com/pingcap/ticdc/pkg/util/testleak" | ||
| "go.uber.org/zap" | ||
| ) | ||
|
|
||
| type mounterNodeSuite struct{} | ||
|
|
||
| var _ = check.Suite(&mounterNodeSuite{}) | ||
|
|
||
| type checkNode struct { | ||
| c *check.C | ||
| count int | ||
| expected int | ||
| } | ||
|
|
||
| func (n *checkNode) Init(ctx pipeline.NodeContext) error { | ||
| // do nothing | ||
| return nil | ||
| } | ||
|
|
||
| func (n *checkNode) Receive(ctx pipeline.NodeContext) error { | ||
| message := ctx.Message() | ||
| if message.Tp == pipeline.MessageTypePolymorphicEvent { | ||
| if message.PolymorphicEvent.RawKV.OpType == model.OpTypeResolved { | ||
| n.c.Assert(n.count, check.Equals, n.expected) | ||
| return errors.New("finished") | ||
| } | ||
| n.c.Assert(message.PolymorphicEvent.Row, check.NotNil) | ||
| } | ||
|
|
||
| if n.count%100 == 0 { | ||
| log.Info("message received", zap.Int("count", n.count)) | ||
| } | ||
|
|
||
| if n.count == basicsTestMessageCount/2 { | ||
| log.Info("sleeping for 5 seconds to simulate blocking") | ||
| time.Sleep(time.Second * 5) | ||
| } | ||
| n.count++ | ||
| return nil | ||
| } | ||
|
|
||
| func (n *checkNode) Destroy(ctx pipeline.NodeContext) error { | ||
| return nil | ||
| } | ||
|
|
||
| const ( | ||
| basicsTestMessageCount = 10000 | ||
| ) | ||
|
|
||
| func generateMockRawKV(ts uint64) *model.RawKVEntry { | ||
| return &model.RawKVEntry{ | ||
| OpType: model.OpTypePut, | ||
| Key: []byte{}, | ||
| Value: []byte{}, | ||
| OldValue: nil, | ||
| StartTs: ts - 5, | ||
| CRTs: ts, | ||
| RegionID: 0, | ||
| } | ||
| } | ||
|
|
||
| func (s *mounterNodeSuite) TestMounterNodeBasics(c *check.C) { | ||
| defer testleak.AfterTest(c)() | ||
|
|
||
| ctx, cancel := cdcContext.WithCancel(cdcContext.NewBackendContext4Test(false)) | ||
| defer cancel() | ||
|
|
||
| ctx = cdcContext.WithErrorHandler(ctx, func(err error) error { | ||
| return nil | ||
| }) | ||
| runnersSize, outputChannelSize := 2, 64 | ||
| p := pipeline.NewPipeline(ctx, 0, runnersSize, outputChannelSize) | ||
| mounterNode := newMounterNode() | ||
| p.AppendNode(ctx, "mounter", mounterNode) | ||
|
|
||
| checkNode := &checkNode{ | ||
| c: c, | ||
| count: 0, | ||
| expected: basicsTestMessageCount, | ||
| } | ||
| p.AppendNode(ctx, "check", checkNode) | ||
|
|
||
| var sentCount int64 | ||
| sendMsg := func(p *pipeline.Pipeline, msg pipeline.Message) { | ||
| err := retry.Do(context.Background(), func() error { | ||
| return p.SendToFirstNode(msg) | ||
| }, retry.WithBackoffBaseDelay(10), retry.WithBackoffMaxDelay(60*1000), retry.WithMaxTries(100)) | ||
| atomic.AddInt64(&sentCount, 1) | ||
| c.Assert(err, check.IsNil) | ||
| } | ||
|
|
||
| mockMounterInput := make(chan *model.PolymorphicEvent, 10240) | ||
| var wg sync.WaitGroup | ||
| wg.Add(1) | ||
| go func() { | ||
| defer wg.Done() | ||
| for i := 0; i < basicsTestMessageCount; i++ { | ||
| var msg pipeline.Message | ||
| if i%100 == 0 { | ||
| // generates a control message | ||
| msg = pipeline.TickMessage() | ||
| } else { | ||
| msg = pipeline.PolymorphicEventMessage(model.NewPolymorphicEvent(generateMockRawKV(uint64(i << 5)))) | ||
| msg.PolymorphicEvent.SetUpFinishedChan() | ||
| select { | ||
| case <-ctx.Done(): | ||
| return | ||
| case mockMounterInput <- msg.PolymorphicEvent: | ||
| } | ||
| } | ||
| sendMsg(p, msg) | ||
| } | ||
| msg := pipeline.PolymorphicEventMessage(model.NewResolvedPolymorphicEvent(0, (basicsTestMessageCount<<5)+1)) | ||
| sendMsg(p, msg) | ||
| c.Assert(atomic.LoadInt64(&sentCount), check.Equals, int64(basicsTestMessageCount+1)) | ||
| log.Info("finished sending") | ||
| }() | ||
|
|
||
| wg.Add(1) | ||
| go func() { | ||
| defer wg.Done() | ||
| for { | ||
| select { | ||
| case <-ctx.Done(): | ||
| return | ||
| case event := <-mockMounterInput: | ||
| event.Row = &model.RowChangedEvent{} // mocked row | ||
| event.PrepareFinished() | ||
| } | ||
| } | ||
| }() | ||
|
|
||
| p.Wait() | ||
| cancel() | ||
| wg.Wait() | ||
| } |
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