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/*
* Copyright 2017 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 org.tikv.common;
import io.grpc.Server;
import io.grpc.ServerBuilder;
import io.grpc.Status;
import io.grpc.stub.StreamObserver;
import java.io.IOException;
import java.net.ServerSocket;
import java.util.Deque;
import java.util.Optional;
import java.util.concurrent.LinkedBlockingDeque;
import org.tikv.kvproto.PDGrpc;
import org.tikv.kvproto.Pdpb.*;
public class PDMockServer extends PDGrpc.PDImplBase {
public int port;
private long clusterId;
private Server server;
public void addGetMemberResp(GetMembersResponse r) {
getMembersResp.addLast(Optional.ofNullable(r));
}
private final Deque<java.util.Optional<GetMembersResponse>> getMembersResp =
new LinkedBlockingDeque<java.util.Optional<GetMembersResponse>>();
@Override
public void getMembers(GetMembersRequest request, StreamObserver<GetMembersResponse> resp) {
try {
resp.onNext(getMembersResp.removeFirst().get());
resp.onCompleted();
} catch (Exception e) {
resp.onError(Status.INTERNAL.asRuntimeException());
}
}
@Override
public StreamObserver<TsoRequest> tso(StreamObserver<TsoResponse> resp) {
return new StreamObserver<TsoRequest>() {
private int physical = 1;
private int logical = 0;
@Override
public void onNext(TsoRequest value) {}
@Override
public void onError(Throwable t) {}
@Override
public void onCompleted() {
resp.onNext(GrpcUtils.makeTsoResponse(clusterId, physical++, logical++));
resp.onCompleted();
}
};
}
public void addGetRegionResp(GetRegionResponse r) {
getRegionResp.addLast(r);
}
private final Deque<GetRegionResponse> getRegionResp = new LinkedBlockingDeque<>();
@Override
public void getRegion(GetRegionRequest request, StreamObserver<GetRegionResponse> resp) {
try {
resp.onNext(getRegionResp.removeFirst());
resp.onCompleted();
} catch (Exception e) {
resp.onError(Status.INTERNAL.asRuntimeException());
}
}
public void addGetRegionByIDResp(GetRegionResponse r) {
getRegionByIDResp.addLast(r);
}
private final Deque<GetRegionResponse> getRegionByIDResp = new LinkedBlockingDeque<>();
@Override
public void getRegionByID(GetRegionByIDRequest request, StreamObserver<GetRegionResponse> resp) {
try {
resp.onNext(getRegionByIDResp.removeFirst());
resp.onCompleted();
} catch (Exception e) {
resp.onError(Status.INTERNAL.asRuntimeException());
}
}
public void addGetStoreResp(GetStoreResponse r) {
getStoreResp.addLast(Optional.ofNullable(r));
}
private final Deque<Optional<GetStoreResponse>> getStoreResp = new LinkedBlockingDeque<>();
public void getStore(GetStoreRequest request, StreamObserver<GetStoreResponse> resp) {
try {
resp.onNext(getStoreResp.removeFirst().get());
resp.onCompleted();
} catch (Exception e) {
resp.onError(Status.INTERNAL.asRuntimeException());
}
}
public void start(long clusterId) throws IOException {
try (ServerSocket s = new ServerSocket(0)) {
port = s.getLocalPort();
}
this.clusterId = clusterId;
server = ServerBuilder.forPort(port).addService(this).build().start();
Runtime.getRuntime().addShutdownHook(new Thread(PDMockServer.this::stop));
}
public void stop() {
if (server != null) {
server.shutdown();
}
}
public long getClusterId() {
return clusterId;
}
}