/* client.java - a simple stream client */
import java.io.*;
import java.net.*;

public class client {
    public static void main(String[] args) throws IOException
	{
        Socket sock = null;
        PrintWriter out = null;
        BufferedReader in = null;
        int port=0;
        String msg = "Hello from the client";

        if (args.length != 2) {
            System.err.println("usage java client host port");
	    System.exit(0);
	}
        try {
           port = Integer.parseInt(args[1]);
        }
        catch (NumberFormatException e) {
	    System.err.println("Second Arg was not a number");
            System.exit(0);
        }
        try {
            sock = new Socket(args[0],port);
            out = new PrintWriter(sock.getOutputStream(), true);
            in = new BufferedReader(new InputStreamReader(
                                        sock.getInputStream()));
        } catch (UnknownHostException e) {
            System.err.println("Don't know about host: " + args[0]);
            System.exit(1);
        } catch (IOException e) {
            System.err.println("Couldn't get I/O for "
                               + "the connection to: " + args[0]);
            System.exit(1);
        }
        try {
          out.println(msg);
          char buffer[] = new char[4096];
          int n;
          n = in.read(buffer,0,4096);
          String s = new String(buffer,0,n);
          System.out.println("Read " + n + " chars from the socket: " + s);
        }
        catch(IOException e) {
	    System.err.println("Error reading from the socket");
            System.exit(0);
        }
	out.close();
	in.close();
	sock.close();
    }
}