View Javadoc

    1   /*
    2    *  Licensed to the Apache Software Foundation (ASF) under one
    3    *  or more contributor license agreements.  See the NOTICE file
    4    *  distributed with this work for additional information
    5    *  regarding copyright ownership.  The ASF licenses this file
    6    *  to you under the Apache License, Version 2.0 (the
    7    *  "License"); you may not use this file except in compliance
    8    *  with the License.  You may obtain a copy of the License at
    9    *
    10   *    http://www.apache.org/licenses/LICENSE-2.0
    11   *
    12   *  Unless required by applicable law or agreed to in writing,
    13   *  software distributed under the License is distributed on an
    14   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    15   *  KIND, either express or implied.  See the License for the
    16   *  specific language governing permissions and limitations
    17   *  under the License.
    18   *
    19   */
    20  package org.apache.mina.core.bio.udp;
    21
    22  import java.io.IOException;
    23  import java.net.DatagramPacket;
    24  import java.net.DatagramSocket;
    25  import java.net.InetAddress;
    26  import java.util.concurrent.CountDownLatch;
    27
    28  import org.apache.mina.core.BenchmarkClient;
    29
    30  /**
    31   * A client that uses a BIO datagram to communicate with the server
    32   *
    33   * @author <a href="http://mina.apache.org">Apache MINA Project</a>
    34   */
    35  public class BioUdpBenchmarkClient implements BenchmarkClient {
    36      // The UDP client
    37      private DatagramSocket sender;
    38
    39      /**
    40       * {@inheritDoc}
    41       */
    42      public void start(int port, final CountDownLatch counter, final byte[] data) throws IOException {
    43          InetAddress serverAddress = InetAddress.getLocalHost();
    44          byte[] buffer = new byte[65507];
    45          sender = new DatagramSocket(port + 1);
    46
    47          DatagramPacket pduSent = new DatagramPacket(data, data.length, serverAddress, port);
    48          DatagramPacket pduReceived = new DatagramPacket(buffer, data.length);
    49          sender.send(pduSent);
    50
    51          boolean done = false;
    52
    53          while (!done) {
    54              try {
    55                  sender.receive(pduReceived);
    56
    57                  for (int i = 0; i < pduReceived.getLength(); ++i) {
    58                      counter.countDown();
    59
    60                      if (counter.getCount() > 0) {
    61                          sender.send(pduSent);
    62                          break;
    63                      } else {
    64                          done = true;
    65                      }
    66                  }
    67              } catch (IOException ioe) {
    68                  // Nothing to do
    69              }
    70          }
    71
    72          sender.close();
    73      }
    74
    75      /**
    76       * {@inheritedDoc}
    77       */
    78      public void stop() throws IOException {
    79      }
    80  }