content: /*
   * 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.artemis.tests.soak.clientFailure;
  
  import javax.jms.Connection;
  import javax.jms.ConnectionFactory;
  import javax.jms.MessageConsumer;
  import javax.jms.Session;
  import java.util.concurrent.CyclicBarrier;
  import java.util.concurrent.ExecutorService;
  import java.util.concurrent.Executors;
  import java.util.concurrent.TimeUnit;
  
  import org.apache.activemq.ActiveMQConnectionFactory;
  import org.apache.activemq.RedeliveryPolicy;
  import org.apache.activemq.artemis.tests.util.CFUtil;
  import org.apache.activemq.artemis.utils.RandomUtil;
  
  public class ClientFailureSoakTestClient {
  
     static void exitVM(int code) {
        // flipping a coin between halt and exit
        if (RandomUtil.randomBoolean()) {
           System.out.println("returning halt " + code);
           Runtime.getRuntime().halt(code);
        } else {
           System.out.println("returning exit " + code);
           System.exit(code);
        }
     }
  
     public static final int RETURN_OK = 1;
     public static final int RETURN_ERROR = 2;
  
     public static void main(String[] arg) {
        String protocol = arg[0];
        int numberOfThreads = Integer.parseInt(arg[1]);
        int numberOfConsumers = Integer.parseInt(arg[2]);
        String queueName = arg[3];
  
        try {
           ConnectionFactory cf = CFUtil.createConnectionFactory(protocol, "tcp://localhost:61616");
           if (protocol.equals("OPENWIRE")) {
              RedeliveryPolicy inifinitePolicy = new RedeliveryPolicy();
              inifinitePolicy.setMaximumRedeliveries(-1);
              ((ActiveMQConnectionFactory)cf).setRedeliveryPolicy(inifinitePolicy);
           }
           ExecutorService service = Executors.newFixedThreadPool(numberOfThreads);
  
           CyclicBarrier consumersCreated = new CyclicBarrier(numberOfThreads + 1);
  
           for (int i = 0; i < numberOfThreads; i++) {
              service.execute(() -> {
                 try {
                    boolean tx = RandomUtil.randomBoolean(); // flip a coin if we are using TX or Auto-ACK
                    Connection connection = cf.createConnection();
                    connection.start();
  
                    Session session = tx ? connection.createSession(true, Session.SESSION_TRANSACTED) : connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
  
                    for (int consI = 0; consI < numberOfConsumers; consI++) {
                       MessageConsumer consumer = session.createConsumer(session.createQueue(queueName));
                       if (consI == 0) {
                          System.out.println("Consumers created");
                          Session anotherSession = connection.createSession(true, Session.SESSION_TRANSACTED);
                          MessageConsumer anotherConsumer = anotherSession.createConsumer(session.createQueue(queueName));
                          consumersCreated.await(30, TimeUnit.SECONDS);
                       }
  
                       if (tx) {
                          if (consumer.receiveNoWait() == null) {
                             System.out.println("Nothing received");
                          } else {
                             System.out.println("received");
                          }
                       }
  
                       if (RandomUtil.randomBoolean()) {
                          connection.close();
                          break;
                       }
                    }
                 } catch (Throwable e) {
                    System.out.println("FAILURE:" + e.getMessage());
                    e.printStackTrace(System.out);
                    exitVM(RETURN_ERROR);
                 }
              });
  
           }
  
           System.out.println("Sleeping");
           consumersCreated.await(30, TimeUnit.SECONDS);
           System.out.println("Done");
  
           exitVM(RETURN_OK);
        } catch (Throwable e) {
           System.out.println("FAILURE:" + e.getMessage());
           e.printStackTrace(System.out);
           exitVM(RETURN_ERROR);
        }
     }
  
  }
  