// tcpClient.java
// uso : java tcpClient <server> <port>
// asume puerto 1500

import java.net.*;
import java.io.*;

public class tcpClient {

    public static void main(String[] args) {

	int port = 1500;
	String server = "localhost";
	Socket socket = null;
	String lineToBeSent;
	BufferedReader input;
	PrintWriter output;
	int ERROR = 1;

	if(args.length == 2) {
	    server = args[0];
	    try {
    		port = Integer.parseInt(args[1]);
	    }
	    catch (Exception e) {
	    	System.out.println("Puerto = 1500");
		    port = 1500;
	    }
	}

	try {
	    socket = new Socket(server, port);
	    System.out.println("Conectado con servidor " +
				   socket.getInetAddress() +
				   ":" + socket.getPort());
	}
	catch (UnknownHostException e) {
	    System.out.println(e);
	    System.exit(ERROR);
	}
	catch (IOException e) {
	    System.out.println(e);
	    System.exit(ERROR);
	}

	try {
	    input = new BufferedReader(new InputStreamReader(System.in));
	    output = new PrintWriter(socket.getOutputStream(),true);

	    // lee entrada y transmite al servidor
	    while(true) {
		    lineToBeSent = input.readLine();
    		// detiene si la entrada es "."
	    	if(lineToBeSent.equals(".")) break;
	      	output.println(lineToBeSent);
	    }
	}
	catch (IOException e) {
	    System.out.println(e);
	}

	try {
	    socket.close();
	}
	catch (IOException e) {
	    System.out.println(e);
	}
    }
}