/*****************************************************************************
 *                                  _   _ ____  _     
 *  Project                     ___| | | |  _ \| |    
 *                             / __| | | | |_) | |    
 *                            | (__| |_| |  _ <| |___ 
 *                             \___|\___/|_| \_\_____|
 *
 *  The contents of this file are subject to the Mozilla Public License
 *  Version 1.0 (the "License"); you may not use this file except in
 *  compliance with the License. You may obtain a copy of the License at
 *  http://www.mozilla.org/MPL/
 *
 *  Software distributed under the License is distributed on an "AS IS"
 *  basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
 *  License for the specific language governing rights and limitations
 *  under the License.
 *
 *  The Original Code is Curl.
 *
 *  The Initial Developer of the Original Code is Daniel Stenberg.
 *
 *  Portions created by the Initial Developer are Copyright (C) 1998.
 *  All Rights Reserved.
 *
 * ------------------------------------------------------------
 * Main author:
 * - Daniel Stenberg <Daniel.Stenberg@sth.frontec.se>
 *
 * 	http://www.fts.frontec.se/~dast/curl/
 *
 * $Source: /cvs/curl/curl/lib/speedcheck.c,v $
 * $Revision: 1.3 $
 * $Date: 1999/04/05 15:50:32 $
 * $Author: dast $
 * $State: Exp $
 * $Locker:  $
 *
 * ------------------------------------------------------------
 ****************************************************************************/

#include <stdio.h>

#include "../include/curl.h"
#include "urldata.h"
#include "sendf.h"
#include "speedcheck.h"

UrgError speedcheck(struct UrlData *data,
                    struct timeval now)
{
  static struct timeval keeps_speed;

  if((data->current_speed >= 0) &&
     data->low_speed_time &&
     (tvlong(keeps_speed) != 0) &&
     (data->current_speed < data->low_speed_limit)) {

    /* We are now below the "low speed limit". If we are below it
       for "low speed time" seconds we consider that enough reason
       to abort the download. */
    
    if( tvdiff(now, keeps_speed) > data->low_speed_time) {
      /* we have been this slow for long enough, now die */
      failf(data,
	    "Operation too slow. "
	    "Less than %d bytes/sec transfered the last %d seconds",
	    data->low_speed_limit,
	    data->low_speed_time);
      return URG_OPERATION_TIMEOUTED;
    }
  }
  else {
    /* we keep up the required speed all right */
    keeps_speed = now;
  }
#if 0
  if (data->conf & CONF_VERBOSE) {
    fprintf(stderr, "* %lf > %d\n",
	    data->current_speed, data->low_speed_limit);
  }
#endif
  return URG_OK;
}

