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 java.io.IOException;
23  import java.net.InetAddress;
24  import java.net.ServerSocket;
25  import java.net.Socket;
26  import java.net.SocketTimeoutException;
27  import java.net.UnknownHostException;
28  
29  import javax.net.ServerSocketFactory;
30  import javax.net.SocketFactory;
31  
32  import org.apache.commons.net.EchoTCPClient;
33  import org.apache.commons.net.EchoUDPClient;
34  import org.apache.mina.example.echoserver.ssl.SSLServerSocketFactory;
35  import org.apache.mina.example.echoserver.ssl.SSLSocketFactory;
36  
37  /**
38   * Tests echo server example.
39   * 
40   * @author The Apache Directory Project (mina-dev@directory.apache.org)
41   * @version $Rev:448075 $, $Date:2006-09-20 05:26:53Z $
42   */
43  public class AcceptorTest extends AbstractTest {
44      public AcceptorTest() {
45      }
46  
47      public void testTCP() throws Exception {
48          EchoTCPClient client = new EchoTCPClient();
49          testTCP0(client);
50      }
51  
52      public void testTCPWithSSL() throws Exception {
53          // Add an SSL filter
54          useSSL = true;
55  
56          // Create a commons-net socket factory
57          SSLSocketFactory.setSslEnabled(true);
58          SSLServerSocketFactory.setSslEnabled(true);
59          org.apache.commons.net.SocketFactory factory = new org.apache.commons.net.SocketFactory() {
60  
61              private SocketFactory f = SSLSocketFactory.getSocketFactory();
62  
63              private ServerSocketFactory ssf = SSLServerSocketFactory
64                      .getServerSocketFactory();
65  
66              public Socket createSocket(String arg0, int arg1)
67                      throws UnknownHostException, IOException {
68                  return f.createSocket(arg0, arg1);
69              }
70  
71              public Socket createSocket(InetAddress arg0, int arg1)
72                      throws IOException {
73                  return f.createSocket(arg0, arg1);
74              }
75  
76              public Socket createSocket(String arg0, int arg1, InetAddress arg2,
77                      int arg3) throws UnknownHostException, IOException {
78                  return f.createSocket(arg0, arg1, arg2, arg3);
79              }
80  
81              public Socket createSocket(InetAddress arg0, int arg1,
82                      InetAddress arg2, int arg3) throws IOException {
83                  return f.createSocket(arg0, arg1, arg2, arg3);
84              }
85  
86              public ServerSocket createServerSocket(int arg0) throws IOException {
87                  return ssf.createServerSocket(arg0);
88              }
89  
90              public ServerSocket createServerSocket(int arg0, int arg1)
91                      throws IOException {
92                  return ssf.createServerSocket(arg0, arg1);
93              }
94  
95              public ServerSocket createServerSocket(int arg0, int arg1,
96                      InetAddress arg2) throws IOException {
97                  return ssf.createServerSocket(arg0, arg1, arg2);
98              }
99  
100         };
101 
102         // Create a echo client with SSL factory and test it.
103         EchoTCPClient client = new EchoTCPClient();
104         client.setSocketFactory(factory);
105         testTCP0(client);
106     }
107 
108     private void testTCP0(EchoTCPClient client) throws Exception {
109         client.connect("localhost", port);
110         byte[] writeBuf = new byte[16];
111 
112         for (int i = 0; i < 10; i++) {
113             fillWriteBuffer(writeBuf, i);
114             client.getOutputStream().write(writeBuf);
115         }
116 
117         client.setSoTimeout(30000);
118 
119         byte[] readBuf = new byte[writeBuf.length];
120 
121         for (int i = 0; i < 10; i++) {
122             fillWriteBuffer(writeBuf, i);
123 
124             int readBytes = 0;
125             while (readBytes < readBuf.length) {
126                 int nBytes = client.getInputStream().read(readBuf, readBytes,
127                         readBuf.length - readBytes);
128 
129                 if (nBytes < 0)
130                     fail("Unexpected disconnection.");
131 
132                 readBytes += nBytes;
133             }
134 
135             assertEquals(writeBuf, readBuf);
136         }
137 
138         client.setSoTimeout(500);
139 
140         try {
141             client.getInputStream().read();
142             fail("Unexpected incoming data.");
143         } catch (SocketTimeoutException e) {
144         }
145 
146         client.disconnect();
147     }
148 
149     public void testUDP() throws Exception {
150         EchoUDPClient client = new EchoUDPClient();
151         client.open();
152         client.setSoTimeout(3000);
153 
154         byte[] writeBuf = new byte[16];
155         byte[] readBuf = new byte[writeBuf.length];
156 
157         client.setSoTimeout(500);
158 
159         for (int i = 0; i < 10; i++) {
160             fillWriteBuffer(writeBuf, i);
161             client.send(writeBuf, writeBuf.length, InetAddress.getByName(null),
162                     port);
163 
164             assertEquals(readBuf.length, client
165                     .receive(readBuf, readBuf.length));
166             assertEquals(writeBuf, readBuf);
167         }
168 
169         try {
170             client.receive(readBuf);
171             fail("Unexpected incoming data.");
172         } catch (SocketTimeoutException e) {
173         }
174 
175         client.close();
176     }
177 
178     private void fillWriteBuffer(byte[] writeBuf, int i) {
179         for (int j = writeBuf.length - 1; j >= 0; j--) {
180             writeBuf[j] = (byte) (j + i);
181         }
182     }
183 
184     public static void main(String[] args) {
185         junit.textui.TestRunner.run(AcceptorTest.class);
186     }
187 }