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package org.jgroups.blocks;
import java.util.Map;
import org.jgroups.Address;
import org.jgroups.Channel;
import org.jgroups.Global;
import org.jgroups.JChannel;
import org.jgroups.Message;
import org.jgroups.blocks.mux.MuxMessageDispatcher;
import org.jgroups.blocks.mux.MuxUpHandler;
import org.jgroups.tests.ChannelTestBase;
import org.jgroups.util.Rsp;
import org.jgroups.util.Util;
import org.testng.Assert;
import org.testng.annotations.AfterClass;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.Test;
/**
* @author Paul Ferraro
*/
@Test(groups=Global.STACK_DEPENDENT)
public class MuxMessageDispatcherTest extends ChannelTestBase {
private JChannel[] channels = new JChannel[2];
private MessageDispatcher[] dispatchers = new MessageDispatcher[2];
private MessageDispatcher[][] muxDispatchers = new MessageDispatcher[2][2];
private MethodCall method = new MethodCall("getName", new Object[0], new Class[0]);
@BeforeClass
void setUp() throws Exception {
channels[0] = createChannel(true);
channels[1] = createChannel(channels[0]);
for (int i = 0; i < dispatchers.length; i++) {
dispatchers[i] = new MessageDispatcher(channels[i], null, null, new MuxRequestListener("dispatcher[" + i + "]"));
channels[i].setUpHandler(new MuxUpHandler(dispatchers[i].getProtocolAdapter()));
for (int j = 0; j < muxDispatchers[i].length; j++) {
muxDispatchers[i][j] = new MuxMessageDispatcher((short) j, channels[i], null, null, new MuxRequestListener("muxDispatcher[" + i + "][" + j + "]"));
}
channels[i].connect("MuxMessageDispatcherTest");
Util.sleep(1000);
}
}
@AfterClass
void tearDown() throws Exception {
for (int i = 0; i < dispatchers.length; ++i) {
channels[i].disconnect();
channels[i].close();
dispatchers[i].stop();
for (int j = 0; j < muxDispatchers[i].length; ++j) {
muxDispatchers[i][j].stop();
}
}
}
public void testCastMessage() throws Exception {
Message message = new Message();
// Validate normal dispatchers
Map<Address, Rsp> responses = dispatchers[0].castMessage(null, message, RequestOptions.SYNC());
Assert.assertEquals(responses.size(), 2);
for (int i = 0; i < dispatchers.length; ++i) {
verifyResponse(responses, channels[i], "dispatcher[" + i + "]");
}
// Validate muxed dispatchers
for (int j = 0; j < muxDispatchers[0].length; ++j) {
responses = muxDispatchers[0][j].castMessage(null, message, RequestOptions.SYNC());
Assert.assertEquals(responses.size(), 2);
for (int i = 0; i < dispatchers.length; ++i) {
verifyResponse(responses, channels[i], "muxDispatcher[" + i + "][" + j + "]");
}
}
final Address address = channels[0].getAddress();
RspFilter filter = new RspFilter() {
public boolean isAcceptable(Object response, Address sender) {
return !sender.equals(address);
}
public boolean needMoreResponses() {
return true;
}
};
// Validate muxed rpc dispatchers w/filter
responses = muxDispatchers[0][0].castMessage(null, message, RequestOptions.SYNC().setRspFilter(filter));
Assert.assertEquals(responses.size(), 2);
verifyResponse(responses, channels[0], null);
verifyResponse(responses, channels[1], "muxDispatcher[1][0]");
muxDispatchers[1][0].stop();
// Validate stopped mux dispatcher response is auto-filtered
responses = muxDispatchers[0][0].castMessage(null, message, RequestOptions.SYNC().setRspFilter(null));
Assert.assertEquals(responses.size(), 2);
verifyResponse(responses, channels[0], "muxDispatcher[0][0]");
verifyResponse(responses, channels[1], null);
// Validate stopped mux dispatcher response is auto-filtered and custom filter is applied
responses = muxDispatchers[0][0].castMessage(null, message, RequestOptions.SYNC().setRspFilter(filter));
Assert.assertEquals(responses.size(), 2);
verifyResponse(responses, channels[0], null);
verifyResponse(responses, channels[1], null);
muxDispatchers[1][0].start();
// Validate restarted mux dispatcher functions normally
responses = muxDispatchers[0][0].castMessage(null, message, RequestOptions.SYNC().setRspFilter(null));
Assert.assertEquals(responses.size(), 2);
verifyResponse(responses, channels[0], "muxDispatcher[0][0]");
verifyResponse(responses, channels[1], "muxDispatcher[1][0]");
}
public void testSendMessage() throws Throwable {
final Address address = channels[1].getAddress();
Message message = new Message(address);
// Validate normal dispatchers
Object response = dispatchers[0].sendMessage(message, RequestOptions.SYNC());
Assert.assertEquals(response, "dispatcher[1]");
// Validate muxed dispatchers
for (int j = 0; j < muxDispatchers[0].length; ++j) {
response = muxDispatchers[0][j].sendMessage(message, RequestOptions.SYNC());
Assert.assertEquals(response, "muxDispatcher[1][" + j + "]");
}
// Filter testing is disabled for now pending filter improvements in JGroups 3
// // Validate muxed rpc dispatchers w/filter
//
// RspFilter filter = new RspFilter() {
//
// @Override
// public boolean isAcceptable(Object response, Address sender) {
// return !sender.equals(address);
// }
//
// @Override
// public boolean needMoreResponses() {
// return true;
// }
// };
//
// response = muxDispatchers[0][0].callRemoteMethod(address, method, RequestOptions.SYNC.setRspFilter(filter));
//
// Assert.assertNull(address);
//
// // Validate stopped mux dispatcher response is auto-filtered
// muxDispatchers[1][0].stop();
//
// response = muxDispatchers[0][0].callRemoteMethod(address, method, RequestOptions.SYNC.setRspFilter(null));
//
// Assert.assertNull(address);
//
// // Validate restarted mux dispatcher functions normally
// muxDispatchers[1][0].start();
//
// response = muxDispatchers[0][0].callRemoteMethod(address, method, RequestOptions.SYNC.setRspFilter(null));
//
// Assert.assertEquals(response, "muxDispatcher[1][0]");
}
private static void verifyResponse(Map<Address, Rsp> responses, Channel channel, Object expected) {
Rsp<?> response = responses.get(channel.getAddress());
String address = channel.getAddress().toString();
Assert.assertNotNull(response, address);
Assert.assertFalse(response.wasSuspected(), address);
if (expected != null) {
Assert.assertTrue(response.wasReceived(), address);
Assert.assertEquals(response.getValue(), expected, address);
} else {
Assert.assertFalse(response.wasReceived(), address);
}
}
public static class MuxRequestListener implements RequestHandler {
private final String name;
public MuxRequestListener(String name) {
this.name = name;
}
public Object handle(Message msg) {
return this.name;
}
}
}
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