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20 package org.apache.mina.example.echoserver;
21 import static org.junit.Assert.assertEquals;
22
23 import java.io.IOException;
24 import java.net.InetSocketAddress;
25 import java.net.SocketAddress;
26 import java.security.GeneralSecurityException;
27
28 import org.apache.mina.core.buffer.IoBuffer;
29 import org.apache.mina.core.service.IoAcceptor;
30 import org.apache.mina.core.session.IoSession;
31 import org.apache.mina.example.echoserver.ssl.BogusSslContextFactory;
32 import org.apache.mina.filter.ssl.SslFilter;
33 import org.apache.mina.transport.socket.DatagramSessionConfig;
34 import org.apache.mina.transport.socket.nio.NioDatagramAcceptor;
35 import org.apache.mina.transport.socket.nio.NioSocketAcceptor;
36 import org.apache.mina.util.AvailablePortFinder;
37 import org.junit.After;
38 import org.junit.Before;
39 import org.slf4j.Logger;
40 import org.slf4j.LoggerFactory;
41
42
43
44
45
46
47 public abstract class AbstractTest {
48 private final static Logger LOGGER = LoggerFactory.getLogger(AbstractTest.class);
49
50 protected boolean useSSL;
51
52 protected int port;
53
54 protected SocketAddress boundAddress;
55
56 protected IoAcceptor datagramAcceptor;
57
58 protected IoAcceptor socketAcceptor;
59
60 protected AbstractTest() {
61
62 }
63
64 protected static void isEquals(byte[] expected, byte[] actual) {
65 assertEquals(toString(expected), toString(actual));
66 }
67
68 protected static void isEquals(IoBuffer expected, IoBuffer actual) {
69 assertEquals(toString(expected), toString(actual));
70 }
71
72 protected static String toString(byte[] buf) {
73 StringBuilder str = new StringBuilder(buf.length * 4);
74 for (byte element : buf) {
75 str.append(element);
76 str.append(' ');
77 }
78 return str.toString();
79 }
80
81 protected static String toString(IoBuffer buf) {
82 return buf.getHexDump();
83 }
84
85 @Before
86 public void setUp() throws Exception {
87
88 useSSL = false;
89
90 boundAddress = null;
91 datagramAcceptor = new NioDatagramAcceptor();
92 socketAcceptor = new NioSocketAcceptor();
93
94 ((DatagramSessionConfig) datagramAcceptor.getSessionConfig())
95 .setReuseAddress(true);
96 ((NioSocketAcceptor) socketAcceptor).setReuseAddress(true);
97
98
99 boolean socketBound = false;
100 boolean datagramBound = false;
101
102
103
104
105
106 SocketAddress address = null;
107
108
109 port = AvailablePortFinder.getNextAvailable(1024);
110
111 socketBound = false;
112 datagramBound = false;
113
114 address = new InetSocketAddress(port);
115
116 try {
117 socketAcceptor.setHandler(new EchoProtocolHandler() {
118 @Override
119 public void sessionCreated(IoSession session) {
120 if (useSSL) {
121 try {
122 session.getFilterChain().addFirst(
123 "SSL",
124 new SslFilter(BogusSslContextFactory
125 .getInstance(true)));
126 } catch (GeneralSecurityException e) {
127 LOGGER.error("", e);
128 throw new RuntimeException(e);
129 }
130 }
131 }
132
133
134 @Override
135 public void messageReceived(IoSession session, Object message)
136 throws Exception {
137 if (!(message instanceof IoBuffer)) {
138 return;
139 }
140
141 IoBuffer buf = (IoBuffer) message;
142
143 buf.mark();
144
145 if (session.getFilterChain().contains("SSL")
146 && buf.remaining() == 1 && buf.get() == (byte) '.') {
147 LOGGER.info("TLS Reentrance");
148 ((SslFilter) session.getFilterChain().get("SSL"))
149 .startSsl(session);
150
151
152 buf.capacity(1);
153 buf.flip();
154 session.setAttribute(SslFilter.DISABLE_ENCRYPTION_ONCE);
155 session.write(buf);
156 } else {
157 buf.reset();
158 super.messageReceived(session, buf);
159 }
160 }
161 });
162
163 socketAcceptor.bind(address);
164 socketBound = true;
165
166 datagramAcceptor.setHandler(new EchoProtocolHandler());
167 datagramAcceptor.bind(address);
168 datagramBound = true;
169 } catch (IOException e) {
170
171 } finally {
172 if (socketBound && !datagramBound) {
173 socketAcceptor.unbind();
174 }
175 if (datagramBound && !socketBound) {
176 datagramAcceptor.unbind();
177 }
178 }
179
180
181 if (!socketBound || !datagramBound) {
182 throw new IOException("Cannot bind any test port.");
183 }
184
185 boundAddress = address;
186 LOGGER.info("Using port " + port + " for testing.");
187 }
188
189 @After
190 public void tearDown() throws Exception {
191 if (boundAddress != null) {
192 socketAcceptor.dispose();
193 datagramAcceptor.dispose();
194 }
195 }
196 }