org.eclipse.paho.client.mqttv3.TimerPingSender Java Examples

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Example #1
Source File: MoquetteConnectivityTest.java    From rxmqtt with Apache License 2.0 4 votes vote down vote up 
/**
* This test is unreliable because the subscriptions
* don't always arrive.
* Need to investigate why this is and reinstate.
*/

@Ignore
@Test
public void whenAutoReconnectAndCleanSessionFalseThenNoNeedToResubscribe() throws Throwable {
	
	// Create a latch and a way to count subscription receipts
	CountDownLatch latch = new CountDownLatch(2);
	List<SubscribeMessage> subscribes = new ArrayList<>();
    
    // Create client with re-connect and dirty sessions
    MqttConnectOptions options = new MqttConnectOptions();
    options.setAutomaticReconnect(true);
    options.setCleanSession(false);
    options.setKeepAliveInterval(1);
    options.setConnectionTimeout(1);
    
    // Topic
    String topic = "topical";
    
    // Create clients
    String proxyUrl = "tcp://" + PROXY_HOST + ":" + PROXY_PORT;
    MqttAsyncClient publisher = new MqttAsyncClient(proxyUrl, "test-publisher-id", new MemoryPersistence(), new TimerPingSender());
    MqttAsyncClient subscriber = new MqttAsyncClient(proxyUrl, "test-subscriber-id", new MemoryPersistence(), new TimerPingSender());
    ObservableMqttClient publisherObs = observableClient(publisher, options);
    ObservableMqttClient subscriberObs = observableClient(subscriber, options);
    
    // Connect, subscribe, publish test message
    publisherObs.connect().blockingAwait();
    subscriberObs.connect().blockingAwait();
    Assert.assertTrue(subscriberObs.isConnected());
    Assert.assertTrue(publisherObs.isConnected());
    subscriberObs.subscribe(topic, 1).subscribe(m -> {
    	System.out.println(m);
    	subscribes.add(m);
    	latch.countDown();
    });
    publisherObs.publish(topic, PublishMessage.create("Test Message 1".getBytes(), 1, false)).blockingGet();
    Assert.assertEquals(1, broker.getMessages().size());
    
    // Stop the proxy, wait, check status
    brokerProxy.disable();
    Thread.sleep(3000);
    Assert.assertFalse(publisherObs.isConnected());
    Assert.assertFalse(subscriberObs.isConnected());
 
    // Restart the broker, wait, check status
    brokerProxy.enable();
    Thread.sleep(10000);
    Assert.assertTrue(publisherObs.isConnected());
    Assert.assertTrue(subscriberObs.isConnected());
    
    // Publish and check for subscription
    publisherObs.publish(topic, PublishMessage.create("Test Message 2".getBytes(), 1, false)).blockingGet();
    Assert.assertEquals(2, broker.getMessages().size());
    
    // Check we got all the messages on the subscription
    latch.await(3, TimeUnit.SECONDS);	
    Assert.assertEquals(2, subscribes.size());
}