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20 package org.apache.mina.example.tcp.perf;
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22 import java.net.InetSocketAddress;
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24 import org.apache.mina.core.buffer.IoBuffer;
25 import org.apache.mina.core.future.ConnectFuture;
26 import org.apache.mina.core.service.IoConnector;
27 import org.apache.mina.core.service.IoHandlerAdapter;
28 import org.apache.mina.core.session.IdleStatus;
29 import org.apache.mina.core.session.IoSession;
30 import org.apache.mina.transport.socket.nio.NioSocketConnector;
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40 public class TcpClient extends IoHandlerAdapter {
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42 private IoConnector connector;
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45 private static IoSession session;
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47 private boolean received = false;
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52 public TcpClient() {
53 connector = new NioSocketConnector();
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55 connector.setHandler(this);
56 ConnectFuture connFuture = connector.connect(new InetSocketAddress("localhost", TcpServer.PORT));
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58 connFuture.awaitUninterruptibly();
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60 session = connFuture.getSession();
61 }
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66 @Override
67 public void exceptionCaught(IoSession session, Throwable cause) throws Exception {
68 cause.printStackTrace();
69 }
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74 @Override
75 public void messageReceived(IoSession session, Object message) throws Exception {
76 received = true;
77 }
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82 @Override
83 public void messageSent(IoSession session, Object message) throws Exception {
84 }
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89 @Override
90 public void sessionClosed(IoSession session) throws Exception {
91 }
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96 @Override
97 public void sessionCreated(IoSession session) throws Exception {
98 }
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103 @Override
104 public void sessionIdle(IoSession session, IdleStatus status) throws Exception {
105 }
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110 @Override
111 public void sessionOpened(IoSession session) throws Exception {
112 }
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120 public static void main(String[] args) throws Exception {
121 TcpClient client = new TcpClient();
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123 long t0 = System.currentTimeMillis();
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125 for (int i = 0; i <= TcpServer.MAX_RECEIVED; i++) {
126 IoBuffer buffer = IoBuffer.allocate(4);
127 buffer.putInt(i);
128 buffer.flip();
129 session.write(buffer);
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131 while (client.received == false) {
132 Thread.sleep(1);
133 }
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135 client.received = false;
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137 if (i % 10000 == 0) {
138 System.out.println("Sent " + i + " messages");
139 }
140 }
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142 long t1 = System.currentTimeMillis();
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144 System.out.println("Sent messages delay : " + (t1 - t0));
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146 Thread.sleep(100000);
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148 client.connector.dispose(true);
149 }
150 }