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78
tikv-client/src/main/java/com/pingcap/tikv/TiFlashClient.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,78 @@ | ||
| /* | ||
| * Copyright 2023 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, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
||
| package com.pingcap.tikv; | ||
|
|
||
| import java.util.concurrent.TimeUnit; | ||
| import java.util.function.Supplier; | ||
| import org.slf4j.Logger; | ||
| import org.slf4j.LoggerFactory; | ||
| import org.tikv.common.AbstractGRPCClient; | ||
| import org.tikv.common.PDClient; | ||
| import org.tikv.common.TiConfiguration; | ||
| import org.tikv.common.region.TiStore; | ||
| import org.tikv.common.util.ChannelFactory; | ||
| import org.tikv.kvproto.Mpp; | ||
| import org.tikv.kvproto.TikvGrpc; | ||
| import org.tikv.shade.io.grpc.ManagedChannel; | ||
| import org.tikv.shade.io.grpc.stub.ClientCalls; | ||
|
|
||
| public class TiFlashClient | ||
| extends AbstractGRPCClient<TikvGrpc.TikvBlockingStub, TikvGrpc.TikvFutureStub> { | ||
|
|
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| private static final Logger logger = LoggerFactory.getLogger(TiFlashClient.class); | ||
| protected final PDClient pdClient; | ||
| protected TiStore store; | ||
|
|
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| public TiFlashClient( | ||
| TiConfiguration conf, TiStore store, ChannelFactory channelFactory, PDClient pdClient) { | ||
| super(conf, channelFactory); | ||
| this.pdClient = pdClient; | ||
| this.store = store; | ||
| String addressStr = store.getStore().getAddress(); | ||
| ManagedChannel channel = channelFactory.getChannel(addressStr, pdClient.getHostMapping()); | ||
| this.blockingStub = TikvGrpc.newBlockingStub(channel); | ||
| this.asyncStub = TikvGrpc.newFutureStub(channel); | ||
| } | ||
|
|
||
| @Override | ||
| protected TikvGrpc.TikvBlockingStub getBlockingStub() { | ||
| return blockingStub.withDeadlineAfter(getTimeout(), TimeUnit.MILLISECONDS); | ||
| } | ||
|
|
||
| @Override | ||
| protected TikvGrpc.TikvFutureStub getAsyncStub() { | ||
| return asyncStub.withDeadlineAfter(getTimeout(), TimeUnit.MILLISECONDS); | ||
| } | ||
|
|
||
| @Override | ||
| public void close() throws Exception {} | ||
|
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| public static boolean isMppAlive(ManagedChannel channel) { | ||
| TikvGrpc.TikvBlockingStub stub = | ||
| TikvGrpc.newBlockingStub(channel).withDeadlineAfter(500, TimeUnit.MILLISECONDS); | ||
| Supplier<Mpp.IsAliveRequest> factory = () -> Mpp.IsAliveRequest.newBuilder().build(); | ||
| try { | ||
| Mpp.IsAliveResponse resp = | ||
| ClientCalls.blockingUnaryCall( | ||
| stub.getChannel(), TikvGrpc.getIsAliveMethod(), stub.getCallOptions(), factory.get()); | ||
| return resp != null && resp.getAvailable(); | ||
| } catch (Exception e) { | ||
| logger.warn("Call mpp isAlive fail with Exception", e); | ||
| return false; | ||
| } | ||
| } | ||
| } |
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