client1.java

利用mina框架写的一个通信实例。初学者的一个好教程。

/*
 *   @(#) $Id: Client.java 357871 2005-12-20 01:56:40Z trustin $
 *
 *   Copyright 2004 The Apache Software Foundation
 *
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 *
 */
package org.apache.mina.examples.call;

import java.net.InetSocketAddress;

import org.apache.mina.common.IdleStatus;
import org.apache.mina.examples.call.message.ActiveTestMessage;
import org.apache.mina.io.filter.IoThreadPoolFilter;
import org.apache.mina.io.socket.SocketConnector;
import org.apache.mina.protocol.ProtocolProvider;
import org.apache.mina.protocol.ProtocolSession;
import org.apache.mina.protocol.filter.ProtocolThreadPoolFilter;
import org.apache.mina.protocol.io.IoProtocolConnector;

/**
 * (<strong>Entry Point</strong>) Starts SumUp client.
 * 
 * @author The Apache Directory Project
 * @version $Rev: 357871 $, $Date: 2005-12-20 10:56:40 +0900 (Tue, 20 Dec 2005) $
 */
public class Client1 {
	private static final String HOSTNAME = "localhost";

	private static final int PORT = 7610;

	private static final int CONNECT_TIMEOUT = 2; // 30 seconds //monify lk

	public static void main(String[] args) throws Throwable {

		// Create I/O and Protocol thread pool filter.
		IoThreadPoolFilter ioThreadPoolFilter = new IoThreadPoolFilter();
		ProtocolThreadPoolFilter protocolThreadPoolFilter = new ProtocolThreadPoolFilter();

		// and start both.
		ioThreadPoolFilter.start();
		protocolThreadPoolFilter.start();

		// init connector
		IoProtocolConnector connector = new IoProtocolConnector(
				new SocketConnector());

		// add I/O thread pool performs encoding and decoding of messages.
		connector.getIoConnector().getFilterChain().addFirst("threadPool",
				ioThreadPoolFilter);

		// add Protocol thread pool performs actual protocol flow.
		connector.getFilterChain().addFirst("threadPool",
				protocolThreadPoolFilter);

		// connect to server
		//System.out.println("1");	// add lk
		ProtocolProvider protocolProvider = new ClientProtocolProvider1();		// lk
		//System.out.println("2");	// add lk
		ProtocolSession session;
		//System.out.println("3");	// add lk
		session = connector.connect(new InetSocketAddress(HOSTNAME, PORT),		// 连接server	lk
				CONNECT_TIMEOUT, protocolProvider);
		//System.out.println("4");	// add lk

		// wait until the summation is done
		
		while (session.isConnected()) {
			System.out.println(session.getLastIoTime());	// add lk
			Thread.sleep(5000);		// modify lk
			
			//add seg. lk
			/*
			System.out.println("--info client session send SendActiveMsg... ");
			ActiveTestMessage activeMessage = new ActiveTestMessage();

			activeMessage.setHead_len(Constants.MESSAGE_LEN_ACTIVE_TEST);
			activeMessage.setHead_command(Constants.TYPE_ACTIVE_TEST);
			activeMessage.setHead_sequence(Constants.nextSequenceId++);
			System.out.println("activeMessage: head_len:" + activeMessage.getHead_len() + ";head_command:" + activeMessage.getHead_command()+ ";head_sequ:"  + activeMessage.getHead_sequence() );
			session.write(activeMessage);
			
			*/
		}
		
		//add seg. lk
		/*
		while (session.isIdle(IdleStatus.BOTH_IDLE)){
			System.out.println("client session is Idleing..");	// add lk
			System.out.println("--info client session send SendActiveMsg... ");
			ActiveTestMessage activeMessage = new ActiveTestMessage();

			activeMessage.setHead_len(Constants.MESSAGE_LEN_ACTIVE_TEST);
			activeMessage.setHead_command(Constants.TYPE_ACTIVE_TEST);
			activeMessage.setHead_sequence(Constants.nextSequenceId++);


			session.write(activeMessage);
			Thread.sleep(5000);		// modify lk
			
		}*/
		
			

		ioThreadPoolFilter.stop();
		protocolThreadPoolFilter.stop();
		System.out.println("Client disconnected!");
	}
	
	// add seg.lk
	public void testSendActiveMsg(ProtocolSession session) {
		//System.out.println("--info client SendActiveMsg");
		// send callIn request
		System.out.println("--info client session send SendActiveMsg... ");
		ActiveTestMessage activeMessage = new ActiveTestMessage();

		activeMessage.setHead_len(Constants.MESSAGE_LEN_ACTIVE_TEST);
		activeMessage.setHead_command(Constants.TYPE_ACTIVE_TEST);
		activeMessage.setHead_sequence(Constants.nextSequenceId++);		
		session.write(activeMessage);
	}
}