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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.messagebus.jdisc;
import com.yahoo.jdisc.application.ContainerBuilder;
import com.yahoo.jdisc.handler.FutureResponse;
import com.yahoo.jdisc.handler.ResponseHandler;
import com.yahoo.jdisc.test.TestDriver;
import com.yahoo.messagebus.DestinationSession;
import com.yahoo.messagebus.DestinationSessionParams;
import com.yahoo.messagebus.Message;
import com.yahoo.messagebus.MessageBus;
import com.yahoo.messagebus.MessageBusParams;
import com.yahoo.messagebus.MessageHandler;
import com.yahoo.messagebus.SourceSessionParams;
import com.yahoo.messagebus.network.local.LocalNetwork;
import com.yahoo.messagebus.network.local.LocalWire;
import com.yahoo.messagebus.routing.Route;
import com.yahoo.messagebus.shared.SharedMessageBus;
import com.yahoo.messagebus.shared.SharedSourceSession;
import com.yahoo.messagebus.test.SimpleMessage;
import com.yahoo.messagebus.test.SimpleProtocol;
import org.junit.Ignore;
import org.junit.Test;
import java.net.URI;
import java.util.LinkedList;
import java.util.List;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;
import java.util.concurrent.TimeUnit;
import static org.junit.Assert.assertTrue;
/**
* @author Simon Thoresen Hult
*/
public class ClientThreadingTestCase {
private static final int NUM_THREADS = 32;
private static final int NUM_REQUESTS = 1000;
@Test
@Ignore
public void requireThatClientIsThreadSafe() throws Exception {
final LocalWire wire = new LocalWire();
final Client client = new Client(wire);
final Server server = new Server(wire);
final List<Callable<Boolean>> lst = new LinkedList<>();
final Route route = Route.parse(server.session.getConnectionSpec());
for (int i = 0; i < NUM_THREADS; ++i) {
lst.add(new RequestTask(client, route));
}
final ExecutorService executor = Executors.newFixedThreadPool(NUM_THREADS);
for (final Future<Boolean> res : executor.invokeAll(lst, 60, TimeUnit.SECONDS)) {
assertTrue(res.get());
}
assertTrue(client.close());
assertTrue(server.close());
}
private static final class RequestTask implements Callable<Boolean> {
final Client client;
final Route route;
RequestTask(final Client client, final Route route) {
this.client = client;
this.route = route;
}
@Override
public Boolean call() throws Exception {
for (int i = 0; i < NUM_REQUESTS; ++i) {
final FutureResponse responseHandler = new FutureResponse();
client.send(new SimpleMessage("foo").setRoute(route), responseHandler);
responseHandler.get(60, TimeUnit.SECONDS);
}
return true;
}
}
private static class Client {
final MbusClient delegate;
final TestDriver driver;
Client(final LocalWire wire) {
driver = TestDriver.newSimpleApplicationInstanceWithoutOsgi();
delegate = newMbusClient(wire);
final ContainerBuilder builder = driver.newContainerBuilder();
builder.clientBindings().bind("mbus://*/*", delegate);
driver.activateContainer(builder);
delegate.start();
}
void send(final Message msg, final ResponseHandler handler) {
final MbusRequest request = new MbusRequest(driver, URI.create("mbus://remote/"), msg, false);
request.connect(handler).close(null);
request.release();
}
boolean close() {
delegate.release();
return driver.close();
}
}
private static class Server implements MessageHandler {
final MessageBus mbus;
final DestinationSession session;
Server(final LocalWire wire) {
mbus = new MessageBus(
new LocalNetwork(wire),
new MessageBusParams().addProtocol(new SimpleProtocol()));
session = mbus.createDestinationSession(
new DestinationSessionParams().setMessageHandler(this));
}
@Override
public void handleMessage(final Message msg) {
session.acknowledge(msg);
}
boolean close() {
return session.destroy() && mbus.destroy();
}
}
private static MbusClient newMbusClient(final LocalWire wire) {
final SharedMessageBus mbus = new SharedMessageBus(new MessageBus(
new LocalNetwork(wire),
new MessageBusParams().addProtocol(new SimpleProtocol())));
final SharedSourceSession session = mbus.newSourceSession(
new SourceSessionParams());
final MbusClient client = new MbusClient(session);
session.release();
mbus.release();
return client;
}
}
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