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This is an automated cherry-pick of pingcap#8005
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 +1,99 @@ | ||
| // Copyright 2022 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 p2p | ||
|
|
||
| import ( | ||
| "context" | ||
| "time" | ||
|
|
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| "github.com/pingcap/tiflow/pkg/errors" | ||
| "github.com/pingcap/tiflow/pkg/p2p" | ||
| "github.com/pingcap/tiflow/pkg/security" | ||
| ) | ||
|
|
||
| // MessageSender is used to send a message of a given topic to a given node. | ||
| type MessageSender interface { | ||
| // TODO investigate whether we need to implement a barrier mechanism | ||
|
|
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| // SendToNode sends a message to a given node. Returns whether it is successful and a possible error. | ||
| // A `would-block` error will not be returned. (false, nil) would be returned instead. | ||
| SendToNode(ctx context.Context, targetNodeID NodeID, topic Topic, message interface{}) (bool, error) | ||
|
|
||
| // SendToNodeB sends a message to a given node in a blocking way | ||
| SendToNodeB(ctx context.Context, targetNodeID NodeID, topic Topic, message interface{}) error | ||
| } | ||
|
|
||
| type messageSenderImpl struct { | ||
| router MessageRouter | ||
| } | ||
|
|
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| // NewMessageSender returns a new message sender. | ||
| func NewMessageSender(router MessageRouter) MessageSender { | ||
| return &messageSenderImpl{router: router} | ||
| } | ||
|
|
||
| // SendToNodeB implements MessageSender.SendToNodeB | ||
| // Note the blocking send may have performance issue, BE CAUTION when using this function. | ||
| func (m *messageSenderImpl) SendToNodeB( | ||
| ctx context.Context, targetNodeID NodeID, topic Topic, message interface{}, | ||
| ) error { | ||
| client := m.router.GetClient(targetNodeID) | ||
| if client == nil { | ||
| return errors.ErrExecutorNotFoundForMessage.GenWithStackByArgs() | ||
| } | ||
|
|
||
| // TODO: blocking send in p2p library may have performance issue | ||
| _, err := client.SendMessage(ctx, topic, message) | ||
| return err | ||
| } | ||
|
|
||
| func (m *messageSenderImpl) SendToNode(ctx context.Context, targetNodeID NodeID, topic Topic, message interface{}) (bool, error) { | ||
| client := m.router.GetClient(targetNodeID) | ||
| if client == nil { | ||
| return false, nil | ||
| } | ||
|
|
||
| _, err := client.TrySendMessage(ctx, topic, message) | ||
| if err != nil { | ||
| if errors.Is(err, errors.ErrPeerMessageSendTryAgain) { | ||
| return false, nil | ||
| } | ||
| return false, errors.Trace(err) | ||
| } | ||
| return true, nil | ||
| } | ||
|
|
||
| // MessageRouter alias to p2p.MessageRouter | ||
| type MessageRouter = p2p.MessageRouter | ||
|
|
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| var defaultClientConfig = &p2p.MessageClientConfig{ | ||
| SendChannelSize: 128, | ||
| BatchSendInterval: 100 * time.Millisecond, // essentially disables flushing | ||
| MaxBatchBytes: 8 * 1024 * 1024, // 8MB | ||
| MaxBatchCount: 4096, | ||
| RetryRateLimitPerSecond: 1.0, // once per second | ||
| ClientVersion: "v5.4.0", // a fake version | ||
| MaxRecvMsgSize: 4 * 1024 * 1024, // 4MB | ||
| } | ||
|
|
||
| // NewMessageRouter creates a new MessageRouter instance via tiflow p2p API | ||
| func NewMessageRouter(nodeID NodeID, advertisedAddr string) MessageRouter { | ||
| config := *defaultClientConfig // copy | ||
| config.AdvertisedAddr = advertisedAddr | ||
| return p2p.NewMessageRouter( | ||
| nodeID, | ||
| &security.Credential{ /* TLS not supported for now */ }, | ||
| &config, | ||
| ) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,97 @@ | ||
| // Copyright 2022 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 p2p | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "math" | ||
| "net" | ||
| "sync" | ||
| "testing" | ||
| "time" | ||
|
|
||
| "github.com/phayes/freeport" | ||
| p2pImpl "github.com/pingcap/tiflow/pkg/p2p" | ||
| "github.com/pingcap/tiflow/pkg/security" | ||
| "github.com/stretchr/testify/require" | ||
| "go.uber.org/atomic" | ||
| ) | ||
|
|
||
| func makeListenerForServerTests(t *testing.T) (l net.Listener, addr string) { | ||
| port := freeport.GetPort() | ||
| addr = fmt.Sprintf("127.0.0.1:%d", port) | ||
| l, err := net.Listen("tcp", addr) | ||
| require.NoError(t, err) | ||
| return | ||
| } | ||
|
|
||
| // read only | ||
| var clientConfigForUnitTesting = &p2pImpl.MessageClientConfig{ | ||
| SendChannelSize: 1, | ||
| BatchSendInterval: time.Second, | ||
| MaxBatchBytes: math.MaxInt64, | ||
| MaxBatchCount: math.MaxInt64, | ||
| RetryRateLimitPerSecond: 999.0, | ||
| ClientVersion: "v5.4.0", // a fake version | ||
| AdvertisedAddr: "fake-addr:8300", | ||
| MaxRecvMsgSize: 4 * 1024 * 1024, // 4MB | ||
| } | ||
|
|
||
| func TestMessageRPCServiceBasics(t *testing.T) { | ||
| ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second) | ||
| defer cancel() | ||
|
|
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| l, addr := makeListenerForServerTests(t) | ||
| messageSrvc, err := NewMessageRPCService("test-node-1", &security.Credential{} /* no TLS */) | ||
| require.NoError(t, err) | ||
|
|
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| var wg sync.WaitGroup | ||
| wg.Add(1) | ||
| go func() { | ||
| defer wg.Done() | ||
| err := messageSrvc.Serve(ctx, l) | ||
| require.Error(t, err) | ||
| require.Regexp(t, ".*canceled.*", err.Error()) | ||
| }() | ||
|
|
||
| var called atomic.Bool | ||
| handlerManager := messageSrvc.MakeHandlerManager() | ||
| ok, err := handlerManager.RegisterHandler(ctx, "test-topic-1", &msgContent{}, func(sender NodeID, value MessageValue) error { | ||
| require.Equal(t, "test-client-1", sender) | ||
| require.IsType(t, &msgContent{}, value) | ||
| require.False(t, called.Swap(true)) | ||
| return nil | ||
| }) | ||
| require.NoError(t, err) | ||
| require.True(t, ok) | ||
|
|
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| client := p2pImpl.NewMessageClient("test-client-1", clientConfigForUnitTesting) | ||
| wg.Add(1) | ||
| go func() { | ||
| defer wg.Done() | ||
| err := client.Run(ctx, "tcp", addr, "test-node-1", &security.Credential{} /* no TLS */) | ||
| require.Error(t, err) | ||
| require.Regexp(t, ".*canceled.*", err.Error()) | ||
| }() | ||
|
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| _, err = client.SendMessage(ctx, "test-topic-1", &msgContent{}) | ||
| require.NoError(t, err) | ||
| require.Eventually(t, func() bool { | ||
| return called.Load() | ||
| }, 5*time.Second, 10*time.Millisecond) | ||
|
|
||
| cancel() | ||
| wg.Wait() | ||
| } |
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