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20 package org.apache.mina.transport.nio;
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 NioUdpServerFilterEventTest {
48
49 private static final Logger LOG = LoggerFactory.getLogger(NioUdpServerFilterEventTest.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 @Test
62 public void generate_all_kind_of_server_event() throws IOException, InterruptedException {
63 final NioUdpServer server = new NioUdpServer();
64 server.getSessionConfig().setIdleTimeInMillis(IdleStatus.READ_IDLE, 2000);
65 server.setFilters(new MyCodec(), new Handler());
66 server.bind(0);
67
68
69
70 final int port = server.getDatagramChannel().socket().getLocalPort();
71
72 final DatagramSocket[] clients = new DatagramSocket[CLIENT_COUNT];
73
74 InetSocketAddress serverAddy = new InetSocketAddress("127.0.0.1", port);
75
76 for (int i = 0; i < CLIENT_COUNT; i++) {
77 try {
78 clients[i] = new DatagramSocket();
79 } catch (Exception e) {
80 e.printStackTrace();
81 System.out.println("Creation client " + i + " failed");
82 }
83 }
84
85
86 for (int i = 0; i < CLIENT_COUNT; i++) {
87 byte[] data = ("test:" + i).getBytes();
88 clients[i].send(new DatagramPacket(data, data.length, serverAddy));
89 }
90
91
92 assertTrue(openLatch.await(WAIT_TIME, TimeUnit.MILLISECONDS));
93
94
95 assertTrue(msgReadLatch.await(WAIT_TIME, TimeUnit.MILLISECONDS));
96
97
98 assertTrue(msgSentLatch.await(WAIT_TIME, TimeUnit.MILLISECONDS));
99
100
101 final byte[] buffer = new byte[1024];
102
103 for (int i = 0; i < CLIENT_COUNT; i++) {
104 DatagramPacket dp = new DatagramPacket(buffer, buffer.length);
105 clients[i].receive(dp);
106 final String text = new String(buffer, 0, dp.getLength());
107 assertEquals("test:" + i, text);
108 }
109
110 msgReadLatch = new CountDownLatch(CLIENT_COUNT);
111
112
113
114 for (int i = 0; i < CLIENT_COUNT; i++) {
115 byte[] data = ("test:" + i).getBytes();
116 clients[i].send(new DatagramPacket(data, data.length, serverAddy));
117 }
118
119
120 assertTrue(msgReadLatch.await(WAIT_TIME, TimeUnit.MILLISECONDS));
121
122
123
124
125 for (int i = 0; i < CLIENT_COUNT; i++) {
126 clients[i].close();
127 }
128
129 server.unbind();
130 }
131
132 private class MyCodec extends AbstractIoFilter {
133
134 @Override
135 public void messageReceived(final IoSession session, final Object message,
136 final ReadFilterChainController controller) {
137 if (message instanceof ByteBuffer) {
138 final ByteBuffer in = (ByteBuffer) message;
139 final byte[] buffer = new byte[in.remaining()];
140 in.get(buffer);
141 controller.callReadNextFilter(new String(buffer));
142 } else {
143 fail();
144 }
145 }
146
147 @Override
148 public void messageWriting(IoSession session, WriteRequest writeRequest, WriteFilterChainController controller) {
149 writeRequest.setMessage(ByteBuffer.wrap(writeRequest.getMessage().toString().getBytes()));
150 controller.callWriteNextFilter(writeRequest);
151 }
152 }
153
154 private class Handler extends AbstractIoFilter {
155
156 @Override
157 public void sessionOpened(final IoSession session) {
158 LOG.info("** session open");
159 openLatch.countDown();
160 }
161
162 @Override
163 public void sessionClosed(final IoSession session) {
164 LOG.info("** session closed");
165 }
166
167 @Override
168 public void messageReceived(final IoSession session, final Object message,
169 final ReadFilterChainController controller) {
170 LOG.info("** message received {}", message);
171 msgReadLatch.countDown();
172 session.write(message.toString());
173 }
174
175 @Override
176 public void messageSent(final IoSession session, final Object message) {
177 LOG.info("** message sent {}", message);
178 msgSentLatch.countDown();
179 }
180
181 @Override
182 public void sessionIdle(IoSession session, IdleStatus status) {
183 LOG.info("** sesssion idle {}", session);
184 session.close(false);
185 }
186 }
187 }