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    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.example.echoserver;
    21
    22  import static org.junit.Assert.assertEquals;
    23  import static org.junit.Assert.assertTrue;
    24  import static org.junit.Assert.fail;
    25
    26  import java.net.DatagramPacket;
    27  import java.net.DatagramSocket;
    28  import java.net.InetSocketAddress;
    29  import java.net.Socket;
    30  import java.net.SocketTimeoutException;
    31  import java.util.Arrays;
    32
    33  import org.apache.mina.example.echoserver.ssl.SslServerSocketFactory;
    34  import org.apache.mina.example.echoserver.ssl.SslSocketFactory;
    35  import org.junit.Test;
    36
    37  /**
    38   * Tests echo server example.
    39   *
    40   * @author <a href="http://mina.apache.org">Apache MINA Project</a>
    41   */
    42  public class AcceptorTest extends AbstractTest {
    43      public AcceptorTest() {
    44      }
    45
    46      @Test
    47      public void testTCP() throws Exception {
    48          testTCP0(new Socket("127.0.0.1", port));
    49      }
    50
    51      @Test
    52      public void testTCPWithSSL() throws Exception {
    53          // Add an SSL filter
    54          useSSL = true;
    55
    56          // Create a echo client with SSL factory and test it.
    57          SslSocketFactory.setSslEnabled(true);
    58          SslServerSocketFactory.setSslEnabled(true);
    59          testTCP0(SslSocketFactory.getSocketFactory().createSocket(
    60                  "localhost", port));
    61      }
    62
    63      private void testTCP0(Socket client) throws Exception {
    64          client.setSoTimeout(3000);
    65          byte[] writeBuf = new byte[16];
    66
    67          for (int i = 0; i < 10; i++) {
    68              fillWriteBuffer(writeBuf, i);
    69              client.getOutputStream().write(writeBuf);
    70          }
    71
    72          byte[] readBuf = new byte[writeBuf.length];
    73
    74          for (int i = 0; i < 10; i++) {
    75              fillWriteBuffer(writeBuf, i);
    76
    77              int readBytes = 0;
    78              while (readBytes < readBuf.length) {
    79                  int nBytes = client.getInputStream().read(readBuf, readBytes,
    80                          readBuf.length - readBytes);
    81
    82                  if (nBytes < 0) {
    83                      fail("Unexpected disconnection.");
    84                  }
    85
    86                  readBytes += nBytes;
    87              }
    88
    89              assertTrue(Arrays.equals( writeBuf, readBuf));
    90          }
    91
    92          client.setSoTimeout(500);
    93
    94          try {
    95              client.getInputStream().read();
    96              fail("Unexpected incoming data.");
    97          } catch (SocketTimeoutException e) {
    98          }
    99
    100         client.getInputStream().close();
    101         client.close();
    102     }
    103
    104     public void testUDP() throws Exception {
    105         DatagramSocket client = new DatagramSocket();
    106         client.connect(new InetSocketAddress("127.0.0.1", port));
    107         client.setSoTimeout(500);
    108
    109         byte[] writeBuf = new byte[16];
    110         byte[] readBuf = new byte[writeBuf.length];
    111         DatagramPacket wp = new DatagramPacket(writeBuf, writeBuf.length);
    112         DatagramPacket rp = new DatagramPacket(readBuf, readBuf.length);
    113
    114         for (int i = 0; i < 10; i++) {
    115             fillWriteBuffer(writeBuf, i);
    116             client.send(wp);
    117
    118             client.receive(rp);
    119             assertEquals(writeBuf.length, rp.getLength());
    120             assertTrue(Arrays.equals(writeBuf, readBuf));
    121         }
    122
    123         try {
    124             client.receive(rp);
    125             fail("Unexpected incoming data.");
    126         } catch (SocketTimeoutException e) {
    127         }
    128
    129         client.close();
    130     }
    131
    132     private void fillWriteBuffer(byte[] writeBuf, int i) {
    133         for (int j = writeBuf.length - 1; j >= 0; j--) {
    134             writeBuf[j] = (byte) (j + i);
    135         }
    136     }
    137 }