text: /*
   * Copyright (c) 1991-1997 Regents of the University of California.
   * All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   * 3. All advertising materials mentioning features or use of this software
   *    must display the following acknowledgement:
   *	This product includes software developed by the Computer Systems
   *	Engineering Group at Lawrence Berkeley Laboratory.
   * 4. Neither the name of the University nor of the Laboratory may be used
   *    to endorse or promote products derived from this software without
   *    specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   * SUCH DAMAGE.
   *
   * @(#) $Header: /cvsroot/nsnam/ns-2/baytcp/ftp.h,v 1.3 2001/07/19 17:57:02 haldar Exp $ (LBL)
   */
  #ifndef ns_ftp_h
  #define ns_ftp_h
  
  #include "packet.h"
  #include "agent.h"
  
  /* states */
  #define REQ_SENT 0 
  #define DATA_RCVD 1 
  #define END_RCVD 2 
  /* events */
  #define NEW_FILE 0
  
  class FtpClientAgent;
  
  class NewFileTimer : public TimerHandler {
  public:
    NewFileTimer(FtpClientAgent *a) : TimerHandler() {a_ = a;}
  protected:
    virtual void expire(Event *e);
    FtpClientAgent *a_;
  };
  
  
  /* added int to recv -kmn 6/8/00 */
  
  class FtpClientAgent : public BayTcpAppAgent {
   public:
  	FtpClientAgent();
  	int command(int argc, const char*const* argv);
  	virtual void recv(Packet*, BayFullTcpAgent*, int);
  	//virtual void recv(Packet*, BayFullTcpAgent*);
          virtual void timeout(int);
   protected:
  
  	void start();
  	void stop();
  	double now() { return Scheduler::instance().clock(); }
  	int sendget();
  	int running_;
  	double start_trans_;
  	int state_;
  	BayFullTcpAgent* tcp_;
          NewFileTimer newfile_timer_;
  };
  
  #endif
  