LinDol's 실험실

TestClient.java

package kr.appcreator.client;
 
import java.io.IOException;
import java.io.OutputStream;
import java.net.Socket;
import java.net.UnknownHostException;
 
import kr.appcreator.net.PacketMaker;
 
public class TestClient {
 
	public static void main(String args[]){
 
 
		PacketMaker packet= new PacketMaker();
		packet.setCommand(1000);
		packet.putString("재밋는 프로그래밍 시그");
 
		byte[] data= packet.build();
		System.out.println("send Data: " + data.length);
		int port= 7787;
 
		TestClient t= new TestClient();
		t.send( data, port );
 
	}
 
	private void send(byte[] data, int port) {
 
		Socket s;
		try {
			s = new Socket("210.118.73.202", port);
 
			OutputStream out= s.getOutputStream();
			out.write(data);
 
			s.close();
			try {
				Thread.sleep(1000);
			} catch (InterruptedException e) {
				e.printStackTrace();
			}
 
		} catch (UnknownHostException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
}

PacketMaker.java

package kr.appcreator.net;
 
public class PacketMaker {
 
	private static final int INIT_POSITION = 4;
 
	private int command_;
 
	private byte[] buffer_= new byte[1024];
 
	private int position_= INIT_POSITION;
 
	public PacketMaker(byte[] readData) {
		position_= INIT_POSITION;
		buffer_= readData;
	}
 
	public PacketMaker() {
		position_= INIT_POSITION;
	}
 
	public void setCommand(int command) {
 
		// something code..
	}
 
	public void putString(String string) {
 
		// something code..
 
	}
 
	public byte[] build() {
 
		byte[] resultData= new byte[position_];
 
		// something code .. or new code?
 
		return resultData;
	}
 
	public int getCommand() {
 
                // something code .. or new code ?
 
		return 0;
	}
 
	public String getString() {
 
 
                 return null;
	}
 
	public void putInt(int value) {
 
		buffer_[position_++]= (byte)((value >> 24) & 0xFF);		
		buffer_[position_++]= (byte)((value >> 16) & 0xFF);
		buffer_[position_++]= (byte)((value >> 8) & 0xFF);
		buffer_[position_++]= (byte)(value & 0xFF);
	}
 
	public int getInt() {
 
		int value= (get() << 24 & 0xFF000000);
		value = value | ((get() << 16) & 0x00FF0000);
		value = value | ((get() << 8) & 0x0000FF00);
		value = value | (get() & 0x000000FF);
 
		return value;
	}
 
	private int get() {
                 // something code ..
		return 0;
	}
 
	private void put(byte data) {
		// something code..
	}
 
}