RemCliTest.java

package patrick;

import common.*;
import common.messages.*;

import java.lang.reflect.Array;
import java.net.*;
import java.io.*;
import java.nio.*;
import java.nio.channels.*;
import java.nio.charset.Charset;
import java.util.*;

class RemCliTest {
    public static final int PORT = 44000;
    public static void main (String [] args){
	try {
	    System.out.println("CliTest.java");
	    // create TCP socket channel
	    SocketChannel channel = SocketChannel.open();
	    //System.out.println("CliTest.java: channel created");
	    channel.connect(new InetSocketAddress(InetAddress.getByName("fraser.sfu.ca"),PORT));
	    //System.out.println("CliTest.java: channel socket connected");
	    // create objectoutputstream & objectinputstream for TCP channel
	    ObjectOutputStream ostream = new ObjectOutputStream(channel.socket().getOutputStream());
	    //System.out.println("CliTest.java: ObjectOutputStream created");

	    // create  & send a login message
	    byte [] bytes = LoginMessage.getLoginMessage("user1","password1");
	    //System.out.println("CliTest.java: login message created");
	    System.out.println(LoginMessage.getMessageString(bytes));
	    ostream.writeObject(bytes);

	    // read reply message
	    ObjectInputStream istream = new ObjectInputStream(channel.socket().getInputStream());
	    System.out.println("CliTest.java: ObjectInputStream created");
	    Object obj = istream.readObject();
	    int numBytes = Array.getLength(obj);
	    byte [] inputbytes = new byte[numBytes];
	    for (int i=0; i< numBytes; i++)
		inputbytes[i] = Array.getByte(obj,i);
	    // if login was successful
	    if (LoginMessage.isLoginSuccessMessage(inputbytes)){
		// get remote port number from success message
	        int port = LoginMessage.getPort(inputbytes);
	        System.out.printf("Port Number: %d\n", port);
		// create datagram channel & connect to rem port
		DatagramChannel dchannel = DatagramChannel.open();
                //dchannel.socket().bind(new InetSocketAddress("localhost",44001));
		dchannel.socket().connect(new InetSocketAddress(channel.socket().getInetAddress(),port));
		// get localport of datagram socket
		int localport = dchannel.socket().getLocalPort();
		System.out.printf("UDP local port: %d\n", localport);
		// send success message to send port number to server
		//bytes = LoginMessage.getLoginSuccessMessage(localport);
		//ostream.writeObject(bytes);
        //ostream.writeObject((new DeathMessage( (byte) 1, (byte) 1, (byte) 1 )).getByteMessage());
//        ostream.writeObject((new DeathMessage( (byte) 2, (byte) 2, (byte) 2 )).getByteMessage());
//        ostream.writeObject((new DeathMessage( (byte) 3, (byte) 3, (byte) 3 )).getByteMessage());
//        ostream.writeObject((new DeathMessage( (byte) 4, (byte) 4, (byte) 4 )).getByteMessage());
	    }
	    else{
		System.out.println("Message was not LOGIN Success");
	    }

	    channel.close();
	}
	catch (Exception e){
	    e.printStackTrace();
	}
    }
}