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* this work for additional information regarding copyright
* ownership. Elasticsearch licenses this file to you 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
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package org.elasticsearch.transport.netty4;
import org.elasticsearch.cluster.node.DiscoveryNode;
import org.elasticsearch.common.io.stream.NamedWriteableRegistry;
import org.elasticsearch.common.lease.Releasables;
import org.elasticsearch.common.network.NetworkService;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.util.BigArrays;
import org.elasticsearch.indices.breaker.CircuitBreakerService;
import org.elasticsearch.indices.breaker.NoneCircuitBreakerService;
import org.elasticsearch.test.ESTestCase;
import org.elasticsearch.test.transport.MockTransportService;
import org.elasticsearch.threadpool.TestThreadPool;
import org.elasticsearch.threadpool.ThreadPool;
import org.elasticsearch.transport.TcpTransport;
import org.elasticsearch.transport.TransportChannel;
import org.elasticsearch.transport.TransportException;
import org.elasticsearch.transport.TransportRequest;
import org.elasticsearch.transport.TransportRequestHandler;
import org.elasticsearch.transport.TransportRequestOptions;
import org.elasticsearch.transport.TransportResponse;
import org.elasticsearch.transport.TransportResponseHandler;
import org.elasticsearch.transport.TransportResponseOptions;
import org.elasticsearch.transport.TransportService;
import org.elasticsearch.transport.TransportSettings;
import java.io.IOException;
import java.util.Collections;
import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.greaterThan;
public class Netty4ScheduledPingTests extends ESTestCase {
public void testScheduledPing() throws Exception {
ThreadPool threadPool = new TestThreadPool(getClass().getName());
Settings settings = Settings.builder()
.put(TcpTransport.PING_SCHEDULE.getKey(), "5ms")
.put(TransportSettings.PORT.getKey(), 0)
.put("cluster.name", "test")
.build();
CircuitBreakerService circuitBreakerService = new NoneCircuitBreakerService();
NamedWriteableRegistry registry = new NamedWriteableRegistry(Collections.emptyList());
final Netty4Transport nettyA = new Netty4Transport(settings, threadPool, new NetworkService(settings, Collections.emptyList()),
BigArrays.NON_RECYCLING_INSTANCE, registry, circuitBreakerService);
MockTransportService serviceA = new MockTransportService(settings, nettyA, threadPool, TransportService.NOOP_TRANSPORT_INTERCEPTOR,
null);
serviceA.start();
serviceA.acceptIncomingRequests();
final Netty4Transport nettyB = new Netty4Transport(settings, threadPool, new NetworkService(settings, Collections.emptyList()),
BigArrays.NON_RECYCLING_INSTANCE, registry, circuitBreakerService);
MockTransportService serviceB = new MockTransportService(settings, nettyB, threadPool, TransportService.NOOP_TRANSPORT_INTERCEPTOR,
null);
serviceB.start();
serviceB.acceptIncomingRequests();
DiscoveryNode nodeA = serviceA.getLocalDiscoNode();
DiscoveryNode nodeB = serviceB.getLocalDiscoNode();
serviceA.connectToNode(nodeB);
serviceB.connectToNode(nodeA);
assertBusy(new Runnable() {
@Override
public void run() {
assertThat(nettyA.getPing().getSuccessfulPings(), greaterThan(100L));
assertThat(nettyB.getPing().getSuccessfulPings(), greaterThan(100L));
}
});
assertThat(nettyA.getPing().getFailedPings(), equalTo(0L));
assertThat(nettyB.getPing().getFailedPings(), equalTo(0L));
serviceA.registerRequestHandler("sayHello", TransportRequest.Empty::new, ThreadPool.Names.GENERIC,
new TransportRequestHandler<TransportRequest.Empty>() {
@Override
public void messageReceived(TransportRequest.Empty request, TransportChannel channel) {
try {
channel.sendResponse(TransportResponse.Empty.INSTANCE, TransportResponseOptions.EMPTY);
} catch (IOException e) {
logger.error("Unexpected failure", e);
fail(e.getMessage());
}
}
});
int rounds = scaledRandomIntBetween(100, 5000);
for (int i = 0; i < rounds; i++) {
serviceB.submitRequest(nodeA, "sayHello",
TransportRequest.Empty.INSTANCE, TransportRequestOptions.builder().withCompress(randomBoolean()).build(),
new TransportResponseHandler<TransportResponse.Empty>() {
@Override
public TransportResponse.Empty newInstance() {
return TransportResponse.Empty.INSTANCE;
}
@Override
public String executor() {
return ThreadPool.Names.GENERIC;
}
@Override
public void handleResponse(TransportResponse.Empty response) {
}
@Override
public void handleException(TransportException exp) {
logger.error("Unexpected failure", exp);
fail("got exception instead of a response: " + exp.getMessage());
}
}).txGet();
}
assertBusy(() -> {
assertThat(nettyA.getPing().getSuccessfulPings(), greaterThan(200L));
assertThat(nettyB.getPing().getSuccessfulPings(), greaterThan(200L));
});
assertThat(nettyA.getPing().getFailedPings(), equalTo(0L));
assertThat(nettyB.getPing().getFailedPings(), equalTo(0L));
Releasables.close(serviceA, serviceB);
terminate(threadPool);
}
}