package org.jivesoftware.smack.keepalive; import static org.custommonkey.xmlunit.XMLAssert.assertXMLEqual; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertTrue; import java.util.Properties; import java.util.concurrent.CountDownLatch; import java.util.concurrent.TimeUnit; import org.jivesoftware.smack.Connection; import org.jivesoftware.smack.DummyConnection; import org.jivesoftware.smack.PacketInterceptor; import org.jivesoftware.smack.PacketListener; import org.jivesoftware.smack.SmackConfiguration; import org.jivesoftware.smack.TestUtils; import org.jivesoftware.smack.ThreadedDummyConnection; import org.jivesoftware.smack.filter.IQTypeFilter; import org.jivesoftware.smack.filter.PacketTypeFilter; import org.jivesoftware.smack.keepalive.KeepAliveManager; import org.jivesoftware.smack.packet.IQ; import org.jivesoftware.smack.packet.Packet; import org.jivesoftware.smack.ping.PingFailedListener; import org.jivesoftware.smack.ping.packet.Ping; import org.jivesoftware.smack.util.PacketParserUtils; import org.junit.After; import org.junit.Before; import org.junit.Test; public class KeepaliveTest { private static final long PING_MINIMUM = 1000; private static String TO = "juliet@capulet.lit/balcony"; private static String ID = "s2c1"; private static Properties outputProperties = new Properties(); { outputProperties.put(javax.xml.transform.OutputKeys.OMIT_XML_DECLARATION, "yes"); } private int originalTimeout; @Before public void resetProperties() { SmackConfiguration.setKeepAliveInterval(-1); originalTimeout = SmackConfiguration.getPacketReplyTimeout(); SmackConfiguration.setPacketReplyTimeout(1000); } @After public void restoreProperties() { SmackConfiguration.setPacketReplyTimeout(originalTimeout); } /* * Stanza copied from spec */ @Test public void validatePingStanzaXML() throws Exception { // @formatter:off String control = "" + ""; // @formatter:on Ping ping = new Ping(TO); ping.setPacketID(ID); assertXMLEqual(control, ping.toXML()); } @Test public void serverPingFailSingleConnection() throws Exception { DummyConnection connection = getConnection(); CountDownLatch latch = new CountDownLatch(2); addInterceptor(connection, latch); addPingFailedListener(connection, latch); // Time based testing kind of sucks, but this should be reliable on a DummyConnection since there // is no actual server involved. This will provide enough time to ping and wait for the lack of response. assertTrue(latch.await(getWaitTime(), TimeUnit.MILLISECONDS)); } @Test public void serverPingSuccessfulSingleConnection() throws Exception { ThreadedDummyConnection connection = getThreadedConnection(); final CountDownLatch latch = new CountDownLatch(1); connection.addPacketListener(new PacketListener() { @Override public void processPacket(Packet packet) { latch.countDown(); } }, new IQTypeFilter(IQ.Type.RESULT)); // Time based testing kind of sucks, but this should be reliable on a DummyConnection since there // is no actual server involved. This will provide enough time to ping and wait for the lack of response. assertTrue(latch.await(getWaitTime(), TimeUnit.MILLISECONDS)); } @Test public void serverPingFailMultipleConnection() throws Exception { CountDownLatch latch = new CountDownLatch(6); SmackConfiguration.setPacketReplyTimeout(15000); DummyConnection con1 = getConnection(); addInterceptor(con1, latch); addPingFailedListener(con1, latch); DummyConnection con2 = getConnection(); addInterceptor(con2, latch); addPingFailedListener(con2, latch); DummyConnection con3 = getConnection(); addInterceptor(con3, latch); addPingFailedListener(con2, latch); assertTrue(latch.await(getWaitTime(), TimeUnit.MILLISECONDS)); } private void addPingFailedListener(DummyConnection con, final CountDownLatch latch) { KeepAliveManager manager = KeepAliveManager.getInstanceFor(con); manager.addPingFailedListener(new PingFailedListener() { @Override public void pingFailed() { latch.countDown(); } }); } private DummyConnection getConnection() { DummyConnection con = new DummyConnection(); KeepAliveManager mgr = KeepAliveManager.getInstanceFor(con); mgr.setPingInterval(PING_MINIMUM); return con; } private ThreadedDummyConnection getThreadedConnection() { ThreadedDummyConnection con = new ThreadedDummyConnection(); KeepAliveManager mgr = KeepAliveManager.getInstanceFor(con); mgr.setPingInterval(PING_MINIMUM); return con; } private void addInterceptor(final Connection con, final CountDownLatch latch) { con.addPacketInterceptor(new PacketInterceptor() { @Override public void interceptPacket(Packet packet) { con.removePacketInterceptor(this); latch.countDown(); } }, new PacketTypeFilter(Ping.class)); } private long getWaitTime() { return PING_MINIMUM + SmackConfiguration.getPacketReplyTimeout() + 3000; } }