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+/*
+ *
+ * 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.qpid.ping;
+
+import junit.framework.Assert;
+import junit.framework.Test;
+import junit.framework.TestSuite;
+
+import org.apache.log4j.Logger;
+
+import org.apache.qpid.requestreply.PingPongProducer;
+
+import org.apache.qpid.junit.extensions.AsymptoticTestCase;
+import org.apache.qpid.junit.extensions.TestThreadAware;
+import org.apache.qpid.junit.extensions.util.ParsedProperties;
+import org.apache.qpid.junit.extensions.util.TestContextProperties;
+
+import javax.jms.*;
+
+/**
+ * PingTestPerf is a ping test, that has been written with the intention of being scaled up to run many times
+ * simultaneously to simluate many clients/producers/connections.
+ *
+ * <p/>A single run of the test using the default JUnit test runner will result in the sending and timing of a single
+ * full round trip ping. This test may be scaled up using a suitable JUnit test runner.
+ *
+ * <p/>The setup/teardown cycle establishes a connection to a broker and sets up a queue to send ping messages to and a
+ * temporary queue for replies. This setup is only established once for all the test repeats/threads that may be run,
+ * except if the connection is lost in which case an attempt to re-establish the setup is made.
+ *
+ * <p/>The test cycle is: Connects to a queue, creates a temporary queue, creates messages containing a property that
+ * is the name of the temporary queue, fires off a message on the original queue and waits for a response on the
+ * temporary queue.
+ *
+ * <p/>Configurable test properties: message size, transacted or not, persistent or not. Broker connection details.
+ *
+ * <p><table id="crc"><caption>CRC Card</caption>
+ * <tr><th> Responsibilities <th> Collaborations
+ * </table>
+ */
+public class PingTestPerf extends AsymptoticTestCase implements TestThreadAware
+{
+ private static Logger _logger = Logger.getLogger(PingTestPerf.class);
+
+ /** Thread local to hold the per-thread test setup fields. */
+ ThreadLocal<PerThreadSetup> threadSetup = new ThreadLocal<PerThreadSetup>();
+
+ /** Holds a property reader to extract the test parameters from. */
+ protected ParsedProperties testParameters =
+ TestContextProperties.getInstance(PingPongProducer.defaults /*System.getProperties()*/);
+
+ public PingTestPerf(String name)
+ {
+ super(name);
+
+ _logger.debug("testParameters = " + testParameters);
+ }
+
+ /**
+ * Compile all the tests into a test suite.
+ * @return The test method testPingOk.
+ */
+ public static Test suite()
+ {
+ // Build a new test suite
+ TestSuite suite = new TestSuite("Ping Performance Tests");
+
+ // Run performance tests in read committed mode.
+ suite.addTest(new PingTestPerf("testPingOk"));
+
+ return suite;
+ }
+
+ public void testPingOk(int numPings) throws Exception
+ {
+ if (numPings == 0)
+ {
+ Assert.fail("Number of pings requested was zero.");
+ }
+
+ // Get the per thread test setup to run the test through.
+ PerThreadSetup perThreadSetup = threadSetup.get();
+
+ if (perThreadSetup == null)
+ {
+ Assert.fail("Could not get per thread test setup, it was null.");
+ }
+
+ // Generate a sample message. This message is already time stamped and has its reply-to destination set.
+ Message msg =
+ perThreadSetup._pingClient.getTestMessage(perThreadSetup._pingClient.getReplyDestinations().get(0),
+ testParameters.getPropertyAsInteger(PingPongProducer.MESSAGE_SIZE_PROPNAME),
+ testParameters.getPropertyAsBoolean(PingPongProducer.PERSISTENT_MODE_PROPNAME));
+
+ // start the test
+ long timeout = Long.parseLong(testParameters.getProperty(PingPongProducer.TIMEOUT_PROPNAME));
+ int numReplies = perThreadSetup._pingClient.pingAndWaitForReply(msg, numPings, timeout, null);
+
+ // Fail the test if the timeout was exceeded.
+ if (numReplies != perThreadSetup._pingClient.getExpectedNumPings(numPings))
+ {
+ Assert.fail("The ping timed out after " + timeout + " ms. Messages Sent = " + numPings + ", MessagesReceived = "
+ + numReplies);
+ }
+ }
+
+ /**
+ * Performs test fixture creation on a per thread basis. This will only be called once for each test thread.
+ */
+ public void threadSetUp()
+ {
+ _logger.debug("public void threadSetUp(): called");
+
+ try
+ {
+ PerThreadSetup perThreadSetup = new PerThreadSetup();
+
+ // This is synchronized because there is a race condition, which causes one connection to sleep if
+ // all threads try to create connection concurrently.
+ synchronized (this)
+ {
+ // Establish a client to ping a Destination and listen the reply back from same Destination
+ perThreadSetup._pingClient = new PingClient(testParameters);
+ perThreadSetup._pingClient.establishConnection(true, true);
+ }
+ // Start the client connection
+ perThreadSetup._pingClient.start();
+
+ // Attach the per-thread set to the thread.
+ threadSetup.set(perThreadSetup);
+ }
+ catch (Exception e)
+ {
+ _logger.warn("There was an exception during per thread setup.", e);
+ }
+ }
+
+ /**
+ * Performs test fixture clean
+ */
+ public void threadTearDown()
+ {
+ _logger.debug("public void threadTearDown(): called");
+
+ try
+ {
+ // Get the per thread test fixture.
+ PerThreadSetup perThreadSetup = threadSetup.get();
+
+ // Close the pingers so that it cleans up its connection cleanly.
+ synchronized (this)
+ {
+ if ((perThreadSetup != null) && (perThreadSetup._pingClient != null))
+ {
+ perThreadSetup._pingClient.close();
+ }
+ }
+ }
+ catch (JMSException e)
+ {
+ _logger.warn("There was an exception during per thread tear down.");
+ }
+ finally
+ {
+ // Ensure the per thread fixture is reclaimed.
+ threadSetup.remove();
+ }
+ }
+
+ protected static class PerThreadSetup
+ {
+ /**
+ * Holds the test ping client.
+ */
+ protected PingClient _pingClient;
+ protected String _correlationId;
+ }
+}