/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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 under the License.
*/
package org.apache.activemq.transport.ws;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.io.IOException;
import java.util.UUID;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
import org.apache.activemq.util.Wait;
import org.eclipse.jetty.util.ssl.SslContextFactory;
import org.eclipse.jetty.websocket.client.ClientUpgradeRequest;
import org.eclipse.jetty.websocket.client.WebSocketClient;
import org.fusesource.hawtbuf.UTF8Buffer;
import org.fusesource.mqtt.codec.CONNACK;
import org.fusesource.mqtt.codec.CONNECT;
import org.fusesource.mqtt.codec.MQTTFrame;
import org.fusesource.mqtt.codec.PINGREQ;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
public class MQTTWSTransportTest extends WSTransportTestSupport {
protected WebSocketClient wsClient;
protected MQTTWSConnection wsMQTTConnection;
protected ClientUpgradeRequest request;
@Override
@Before
public void setUp() throws Exception {
super.setUp();
wsClient = new WebSocketClient(new SslContextFactory(true));
wsClient.start();
request = new ClientUpgradeRequest();
request.setSubProtocols("mqttv3.1");
wsMQTTConnection = new MQTTWSConnection();
wsClient.connect(wsMQTTConnection, wsConnectUri, request);
if (!wsMQTTConnection.awaitConnection(30, TimeUnit.SECONDS)) {
throw new IOException("Could not connect to MQTT WS endpoint");
}
}
@Override
@After
public void tearDown() throws Exception {
if (wsMQTTConnection != null) {
wsMQTTConnection.close();
wsMQTTConnection = null;
wsClient = null;
}
super.tearDown();
}
@Test(timeout = 60000)
public void testConnectCycles() throws Exception {
for (int i = 0; i < 10; ++i) {
testConnect();
wsMQTTConnection = new MQTTWSConnection();
wsClient.connect(wsMQTTConnection, wsConnectUri, request);
if (!wsMQTTConnection.awaitConnection(30, TimeUnit.SECONDS)) {
throw new IOException("Could not connect to MQTT WS endpoint");
}
}
}
@Test(timeout = 60000)
public void testConnect() throws Exception {
wsMQTTConnection.connect();
assertTrue("Connection should close", Wait.waitFor(new Wait.Condition() {
@Override
public boolean isSatisified() throws Exception {
return getProxyToBroker().getCurrentConnectionsCount() == 1;
}
}));
wsMQTTConnection.disconnect();
wsMQTTConnection.close();
assertTrue("Connection should close", Wait.waitFor(new Wait.Condition() {
@Override
public boolean isSatisified() throws Exception {
return getProxyToBroker().getCurrentConnectionsCount() == 0;
}
}));
}
@Test(timeout = 60000)
public void testConnectWithNoHeartbeatsClosesConnection() throws Exception {
CONNECT command = new CONNECT();
command.clientId(new UTF8Buffer(UUID.randomUUID().toString()));
command.cleanSession(false);
command.version(3);
command.keepAlive((short) 2);
wsMQTTConnection.sendFrame(command.encode());
MQTTFrame received = wsMQTTConnection.receive(15, TimeUnit.SECONDS);
if (received == null || received.messageType() != CONNACK.TYPE) {
fail("Client did not get expected CONNACK");
}
assertTrue("Connection should open", Wait.waitFor(new Wait.Condition() {
@Override
public boolean isSatisified() throws Exception {
return getProxyToBroker().getCurrentConnectionsCount() == 1;
}
}));
assertTrue("Connection should close", Wait.waitFor(new Wait.Condition() {
@Override
public boolean isSatisified() throws Exception {
return getProxyToBroker().getCurrentConnectionsCount() == 0;
}
}));
assertTrue("Client Connection should close", Wait.waitFor(new Wait.Condition() {
@Override
public boolean isSatisified() throws Exception {
return !wsMQTTConnection.isConnected();
}
}));
}
@Test(timeout = 60000)
public void testConnectWithHeartbeatsKeepsConnectionAlive() throws Exception {
final AtomicBoolean done = new AtomicBoolean();
CONNECT command = new CONNECT();
command.clientId(new UTF8Buffer(UUID.randomUUID().toString()));
command.cleanSession(false);
command.version(3);
command.keepAlive((short) 2);
wsMQTTConnection.sendFrame(command.encode());
MQTTFrame received = wsMQTTConnection.receive(15, TimeUnit.SECONDS);
if (received == null || received.messageType() != CONNACK.TYPE) {
fail("Client did not get expected CONNACK");
}
Thread pinger = new Thread(new Runnable() {
@Override
public void run() {
try {
while (!done.get()) {
TimeUnit.SECONDS.sleep(1);
wsMQTTConnection.sendFrame(new PINGREQ().encode());
}
} catch (Exception e) {
}
}
});
pinger.start();
assertTrue("Connection should open", Wait.waitFor(new Wait.Condition() {
@Override
public boolean isSatisified() throws Exception {
return getProxyToBroker().getCurrentConnectionsCount() == 1;
}
}));
TimeUnit.SECONDS.sleep(10);
assertTrue("Connection should still open", Wait.waitFor(new Wait.Condition() {
@Override
public boolean isSatisified() throws Exception {
return getProxyToBroker().getCurrentConnectionsCount() == 1;
}
}));
wsMQTTConnection.disconnect();
wsMQTTConnection.close();
done.set(true);
assertTrue("Connection should close", Wait.waitFor(new Wait.Condition() {
@Override
public boolean isSatisified() throws Exception {
return getProxyToBroker().getCurrentConnectionsCount() == 0;
}
}));
assertTrue("Client Connection should close", Wait.waitFor(new Wait.Condition() {
@Override
public boolean isSatisified() throws Exception {
return !wsMQTTConnection.isConnected();
}
}));
}
}