//-------------------------------------------------------------------------
// File:        Client.java
//
// Created by:  Tamer Elsharnouby  (sharno@cs.umd.edu)
// 
// Course:      Project 1, CMSC417-0101 Fall 1999
//
// Description: Creates a client that starts a ClientThread (which talks to
//              server), gets queries from user via standard input and passes
//              them to ClientThread. Does NOT get intimation of acks.
//
//-------------------------------------------------------------------------

import java.net.*;
import java.lang.*;
import java.util.*;
import java.io.*;
import ClientThread;

//  Class Client
//  
//  Starts a ClientThread (which talks to server), gets queries from user
//  via standard input and passes them to ClientThread.
//
//  Attributes:
//   cl        : The ClientThread.
//   stdIn     : Standard input buffer.
//
//  Methods:
//   main      : The main method for Client class.
//-----------------------------------------------------------------------

class Client {
  static ClientThread cl = null;
  static BufferedReader stdIn = null;

   //--------------------------------------------------------------------
   // Method: main
   // 
   // Run body of client.  Starts a ClientThread, gets queries from user
   // via standard input and passes them to ClientThread.
   //
   // Parameters: 
   //  args     : Arguments passed to ClientThread indicating server host/port
   //
   // Variables : none
   //
   // Returns    : none

  public static void main (String[] args){
     // create ClientThread and run it
    cl = new ClientThread(args);
    cl.start();

    // create buffer to standard input.
    try {
      stdIn   = new BufferedReader(new InputStreamReader(System.in)); 
    } catch (Exception e) {
      System.err.println ("Failure in constructing System reader");
      e.printStackTrace();
    } 

    try {
      while (true){
         // Get query to be sent
	String str = stdIn.readLine();
         // Pass query to ClientThread
	cl.sendPacket(str);

         // Exit the loop in case query is "Bye"
	if (str.equals("Bye"))
	  break;
      }

        // End ClientThread
      cl.stop();

    } catch (Exception e){
      System.err.println("Out to code");  // "Out to code ???"
      e.printStackTrace();
    }

  }//---------------------- method main ---------------------------------

} //------------------ Class Client -------------------------------------