1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20 package org.apache.mina.transport.bio;
21
22 import static org.junit.Assert.*;
23
24 import java.io.IOException;
25 import java.net.DatagramPacket;
26 import java.net.DatagramSocket;
27 import java.net.InetSocketAddress;
28 import java.nio.ByteBuffer;
29 import java.util.concurrent.CountDownLatch;
30 import java.util.concurrent.TimeUnit;
31
32 import org.apache.mina.api.AbstractIoFilter;
33 import org.apache.mina.api.IdleStatus;
34 import org.apache.mina.api.IoSession;
35 import org.apache.mina.filterchain.ReadFilterChainController;
36 import org.apache.mina.filterchain.WriteFilterChainController;
37 import org.apache.mina.session.WriteRequest;
38 import org.junit.Test;
39 import org.slf4j.Logger;
40 import org.slf4j.LoggerFactory;
41
42
43
44
45
46
47 public class BioUdpServerFilterEventTest {
48
49 private static final Logger LOG = LoggerFactory.getLogger(BioUdpServerFilterEventTest.class);
50
51 private static final int CLIENT_COUNT = 1;
52
53 private static final int WAIT_TIME = 10000;
54
55 private CountDownLatch msgSentLatch = new CountDownLatch(CLIENT_COUNT);
56
57 private CountDownLatch msgReadLatch = new CountDownLatch(CLIENT_COUNT);
58
59 private CountDownLatch openLatch = new CountDownLatch(CLIENT_COUNT);
60
61 private CountDownLatch closedLatch = new CountDownLatch(CLIENT_COUNT);
62
63 @Test
64 public void generate_all_kind_of_server_event() throws IOException, InterruptedException {
65 final BioUdpServer server = new BioUdpServer();
66 server.getSessionConfig().setIdleTimeInMillis(IdleStatus.READ_IDLE, 2000);
67 server.setFilters(new MyCodec(), new Handler());
68 server.bind(0);
69
70 Thread.sleep(100);
71
72 long t0 = System.currentTimeMillis();
73 final int port = server.getDatagramChannel().socket().getLocalPort();
74
75 System.err.println("port : " + port);
76 final DatagramSocket[] clients = new DatagramSocket[CLIENT_COUNT];
77
78 InetSocketAddress serverAddy = new InetSocketAddress("127.0.0.1", port);
79
80 for (int i = 0; i < CLIENT_COUNT; i++) {
81 try {
82 clients[i] = new DatagramSocket();
83 } catch (Exception e) {
84 e.printStackTrace();
85 System.out.println("Creation client " + i + " failed");
86 }
87 }
88
89
90 for (int i = 0; i < CLIENT_COUNT; i++) {
91 byte[] data = ("test:" + i).getBytes();
92 clients[i].send(new DatagramPacket(data, data.length, serverAddy));
93 }
94
95
96 assertTrue(openLatch.await(WAIT_TIME, TimeUnit.MILLISECONDS));
97
98
99 assertTrue(msgReadLatch.await(WAIT_TIME, TimeUnit.MILLISECONDS));
100
101
102 assertTrue(msgSentLatch.await(WAIT_TIME, TimeUnit.MILLISECONDS));
103
104
105 final byte[] buffer = new byte[1024];
106
107 for (int i = 0; i < CLIENT_COUNT; i++) {
108 DatagramPacket dp = new DatagramPacket(buffer, buffer.length);
109 clients[i].receive(dp);
110 final String text = new String(buffer, 0, dp.getLength());
111 assertEquals("test:" + i, text);
112 }
113
114 msgReadLatch = new CountDownLatch(CLIENT_COUNT);
115
116
117
118 for (int i = 0; i < CLIENT_COUNT; i++) {
119 byte[] data = ("test:" + i).getBytes();
120 clients[i].send(new DatagramPacket(data, data.length, serverAddy));
121 }
122
123
124 assertTrue(msgReadLatch.await(WAIT_TIME, TimeUnit.MILLISECONDS));
125
126
127
128
129 assertEquals(CLIENT_COUNT, closedLatch.getCount());
130 for (int i = 0; i < CLIENT_COUNT; i++) {
131 clients[i].close();
132 }
133
134
135 assertTrue(closedLatch.await(WAIT_TIME, TimeUnit.MILLISECONDS));
136
137 long t1 = System.currentTimeMillis();
138
139 System.out.println("Delta = " + (t1 - t0));
140
141 server.unbind();
142 }
143
144 private class MyCodec extends AbstractIoFilter {
145
146 @Override
147 public void messageReceived(final IoSession session, final Object message,
148 final ReadFilterChainController controller) {
149 if (message instanceof ByteBuffer) {
150 final ByteBuffer in = (ByteBuffer) message;
151 final byte[] buffer = new byte[in.remaining()];
152 in.get(buffer);
153 controller.callReadNextFilter(new String(buffer));
154 } else {
155 fail();
156 }
157 }
158
159 @Override
160 public void messageWriting(IoSession session, WriteRequest writeRequest, WriteFilterChainController controller) {
161 writeRequest.setMessage(ByteBuffer.wrap(writeRequest.getMessage().toString().getBytes()));
162 controller.callWriteNextFilter(writeRequest);
163 }
164 }
165
166 private class Handler extends AbstractIoFilter {
167
168 @Override
169 public void sessionOpened(final IoSession session) {
170 LOG.info("** session open");
171 openLatch.countDown();
172 }
173
174 @Override
175 public void sessionClosed(final IoSession session) {
176 LOG.info("** session closed");
177 closedLatch.countDown();
178 }
179
180 @Override
181 public void messageReceived(final IoSession session, final Object message,
182 final ReadFilterChainController controller) {
183 LOG.info("** message received {}", message);
184 msgReadLatch.countDown();
185 session.write(message.toString());
186 }
187
188 @Override
189 public void messageSent(final IoSession session, final Object message) {
190 LOG.info("** message sent {}", message);
191 msgSentLatch.countDown();
192 }
193
194 @Override
195 public void sessionIdle(IoSession session, IdleStatus status) {
196 LOG.info("** sesssion idle {}", session);
197 session.close(false);
198 }
199 }
200 }