344 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			344 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*****************************************************************************
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 *                                  _   _ ____  _     
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 *  Project                     ___| | | |  _ \| |    
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 *                             / __| | | | |_) | |    
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 *                            | (__| |_| |  _ <| |___ 
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 *                             \___|\___/|_| \_\_____|
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 *
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 *  The contents of this file are subject to the Mozilla Public License
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 *  Version 1.0 (the "License"); you may not use this file except in
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 *  compliance with the License. You may obtain a copy of the License at
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 *  http://www.mozilla.org/MPL/
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 *
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 *  Software distributed under the License is distributed on an "AS IS"
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 *  basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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 *  License for the specific language governing rights and limitations
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 *  under the License.
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 *
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 *  The Original Code is Curl.
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 *
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 *  The Initial Developer of the Original Code is Daniel Stenberg.
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 *
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 *  Portions created by the Initial Developer are Copyright (C) 1998.
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 *  All Rights Reserved.
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 *
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 * ------------------------------------------------------------
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 * Main author:
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 * - Daniel Stenberg <daniel@haxx.se>
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 *
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 * 	http://curl.haxx.se
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 *
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 * $Source$
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 * $Revision$
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 * $Date$
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 * $Author$
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 * $State$
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 * $Locker$
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 *
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 * ------------------------------------------------------------
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 ****************************************************************************/
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#include "setup.h"
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#include <string.h>
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#if defined(WIN32) && !defined(__GNUC__) || defined(__MINGW32__)
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#if defined(__MINGW32__)
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#include <winsock.h>
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#endif
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#include <time.h>
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#endif
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/* 20000318 mgs
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 * later we use _scrsize to determine the screen width, this emx library
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 * function needs stdlib.h to be included */
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#if defined(__EMX__)
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#include <stdlib.h>
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#endif
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#include <curl/curl.h>
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#include "urldata.h"
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#include "sendf.h"
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#include "progress.h"
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void time2str(char *r, int t)
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{
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  int h = (t/3600);
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  int m = (t-(h*3600))/60;
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  int s = (t-(h*3600)-(m*60));
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  sprintf(r,"%2d:%02d:%02d",h,m,s);
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}
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/* The point of this function would be to return a string of the input data,
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   but never longer than 5 columns. Add suffix k, M, G when suitable... */
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char *max5data(double bytes, char *max5)
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{
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#define ONE_KILOBYTE 1024
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#define ONE_MEGABYTE (1024*1024)
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  if(bytes < 100000) {
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    sprintf(max5, "%5d", (int)bytes);
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    return max5;
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  }
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  if(bytes < (9999*ONE_KILOBYTE)) {
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    sprintf(max5, "%4dk", (int)bytes/ONE_KILOBYTE);
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    return max5;
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  }
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  if(bytes < (100*ONE_MEGABYTE)) {
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    /* 'XX.XM' is good as long as we're less than 100 megs */
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    sprintf(max5, "%2.1fM", bytes/ONE_MEGABYTE);
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    return max5;
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  }
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  sprintf(max5, "%4dM", (int)bytes/ONE_MEGABYTE);
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  return max5;
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}
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/* 
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   New proposed interface, 9th of February 2000:
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   pgrsStartNow() - sets start time
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   pgrsSetDownloadSize(x) - known expected download size
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   pgrsSetUploadSize(x) - known expected upload size
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   pgrsSetDownloadCounter() - amount of data currently downloaded
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   pgrsSetUploadCounter() - amount of data currently uploaded
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   pgrsUpdate() - show progress
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   pgrsDone() - transfer complete
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*/
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void pgrsDone(struct UrlData *data)
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{
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  if(!(data->progress.flags & PGRS_HIDE)) {
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    data->progress.lastshow=0;
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    pgrsUpdate(data); /* the final (forced) update */
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    fprintf(data->err, "\n");
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  }
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}
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void pgrsTime(struct UrlData *data, timerid timer)
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{
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  switch(timer) {
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  default:
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  case TIMER_NONE:
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    /* mistake filter */
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    break;
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  case TIMER_STARTSINGLE:
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    /* This is set at the start of a single fetch, there may be several
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       fetches within an operation, why we add all other times relative
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       to this one */
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    data->progress.t_startsingle = tvnow();
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    break;
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  case TIMER_NAMELOOKUP:
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    data->progress.t_nslookup += tvdiff(tvnow(),
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                                        data->progress.t_startsingle);
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    break;
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  case TIMER_CONNECT:
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    data->progress.t_connect += tvdiff(tvnow(),
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                                       data->progress.t_startsingle);
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    break;
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  case TIMER_PRETRANSFER:
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    data->progress.t_pretransfer += tvdiff(tvnow(),
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                                           data->progress.t_startsingle);
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    break;
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  case TIMER_POSTRANSFER:
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    /* this is the normal end-of-transfer thing */
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    break;
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  }
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}
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void pgrsStartNow(struct UrlData *data)
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{
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  data->progress.start = tvnow();
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}
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void pgrsSetDownloadCounter(struct UrlData *data, double size)
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{
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  data->progress.downloaded = size;
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}
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void pgrsSetUploadCounter(struct UrlData *data, double size)
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{
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  data->progress.uploaded = size;
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}
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void pgrsSetDownloadSize(struct UrlData *data, double size)
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{
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  if(size > 0) {
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    data->progress.size_dl = size;
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    data->progress.flags |= PGRS_DL_SIZE_KNOWN;
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  }
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}
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void pgrsSetUploadSize(struct UrlData *data, double size)
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{
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  if(size > 0) {
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    data->progress.size_ul = size;
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    data->progress.flags |= PGRS_UL_SIZE_KNOWN;
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  }
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}
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/* EXAMPLE OUTPUT to follow:
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  % Total    % Received % Xferd  Average Speed          Time             Curr.
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                                 Dload  Upload Total    Current  Left    Speed
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100 12345  100 12345  100 12345  12345  12345 12:12:12 12:12:12 12:12:12 12345
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 */
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int pgrsUpdate(struct UrlData *data)
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{
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  struct timeval now;
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  int result;
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  char max5[6][10];
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  double dlpercen=0;
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  double ulpercen=0;
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  double total_percen=0;
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  double total_transfer;
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  double total_expected_transfer;
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  int nowindex = data->progress.speeder_c% CURR_TIME;
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  int checkindex;
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  int count;
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  char time_left[10];
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  char time_total[10];
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  char time_current[10];
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  double ulestimate=0;
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  double dlestimate=0;
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  double total_estimate;
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  if(data->progress.flags & PGRS_HIDE)
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    ; /* We do enter this function even if we don't wanna see anything, since
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         this is were lots of the calculations are being made that will be used
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         even when not displayed! */
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  else if(!(data->progress.flags & PGRS_HEADERS_OUT)) {
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    if (!data->progress.callback) {
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      fprintf(data->err,
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              "  %% Total    %% Received %% Xferd  Average Speed          Time             Curr.\n"
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              "                                 Dload  Upload Total    Current  Left    Speed\n");
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    }
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    data->progress.flags |= PGRS_HEADERS_OUT; /* headers are shown */
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  }
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  now = tvnow(); /* what time is it */
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  if(data->progress.lastshow == tvlong(now))
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    return 0; /* never update this more than once a second if the end isn't 
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                 reached */
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  data->progress.lastshow = now.tv_sec;
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  /* The exact time spent so far */
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  data->progress.timespent = tvdiff (now, data->progress.start);
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  /* The average download speed this far */
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  data->progress.dlspeed = data->progress.downloaded/(data->progress.timespent!=0.0?data->progress.timespent:1.0);
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  /* The average upload speed this far */
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  data->progress.ulspeed = data->progress.uploaded/(data->progress.timespent!=0.0?data->progress.timespent:1.0);
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  /* Let's do the "current speed" thing, which should use the fastest
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         of the dl/ul speeds */
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  data->progress.speeder[ nowindex ] =
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    data->progress.downloaded>data->progress.uploaded?
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    data->progress.downloaded:data->progress.uploaded;
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  data->progress.speeder_c++; /* increase */
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  count = ((data->progress.speeder_c>=CURR_TIME)?
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           CURR_TIME:data->progress.speeder_c) - 1;
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  checkindex = (data->progress.speeder_c>=CURR_TIME)?
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    data->progress.speeder_c%CURR_TIME:0;
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  /* find out the average speed the last CURR_TIME seconds */
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  data->progress.current_speed =
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    (data->progress.speeder[nowindex]-
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     data->progress.speeder[checkindex])/(count?count:1);
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  if(data->progress.flags & PGRS_HIDE)
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    return 0;
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  else if(data->fprogress) {
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    result= data->fprogress(data->progress_client,
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                            data->progress.size_dl,
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                            data->progress.downloaded,
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                            data->progress.size_ul,
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                            data->progress.uploaded);
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    if(result)
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      failf(data, "Callback aborted");
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    return result;
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  }
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      /* Figure out the estimated time of arrival for the upload */
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  if(data->progress.flags & PGRS_UL_SIZE_KNOWN) {
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    if(!data->progress.ulspeed)
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      data->progress.ulspeed=1;
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    ulestimate = data->progress.size_ul / data->progress.ulspeed;
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    ulpercen = (data->progress.uploaded / data->progress.size_ul)*100;
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  }
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  /* ... and the download */
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  if(data->progress.flags & PGRS_DL_SIZE_KNOWN) {
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    if(!data->progress.dlspeed)
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      data->progress.dlspeed=1;
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    dlestimate = data->progress.size_dl / data->progress.dlspeed;
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    dlpercen = (data->progress.downloaded / data->progress.size_dl)*100;
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  }
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  /* Now figure out which of them that is slower and use for the for
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         total estimate! */
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  total_estimate = ulestimate>dlestimate?ulestimate:dlestimate;
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  /* If we have a total estimate, we can display that and the expected
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         time left */
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  if(total_estimate) {
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    time2str(time_left, total_estimate-(int) data->progress.timespent); 
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    time2str(time_total, total_estimate);
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  }
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  else {
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    /* otherwise we blank those times */
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    strcpy(time_left,  "--:--:--");
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    strcpy(time_total, "--:--:--");
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  }
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  /* The time spent so far is always known */
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  time2str(time_current, data->progress.timespent);
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  /* Get the total amount of data expected to get transfered */
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  total_expected_transfer = 
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    (data->progress.flags & PGRS_UL_SIZE_KNOWN?
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     data->progress.size_ul:data->progress.uploaded)+
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    (data->progress.flags & PGRS_DL_SIZE_KNOWN?
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     data->progress.size_dl:data->progress.downloaded);
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  /* We have transfered this much so far */
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  total_transfer = data->progress.downloaded + data->progress.uploaded;
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  /* Get the percentage of data transfered so far */
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  if(total_expected_transfer)
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    total_percen=(double)(total_transfer/total_expected_transfer)*100;
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  fprintf(data->err,
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          "\r%3d %s  %3d %s  %3d %s  %s  %s %s %s %s %s",
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          (int)total_percen,                            /* total % */
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          max5data(total_expected_transfer, max5[2]),   /* total size */
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          (int)dlpercen,                                /* rcvd % */
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          max5data(data->progress.downloaded, max5[0]), /* rcvd size */
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          (int)ulpercen,                                /* xfer % */
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          max5data(data->progress.uploaded, max5[1]),   /* xfer size */
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          max5data(data->progress.dlspeed, max5[3]), /* avrg dl speed */
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          max5data(data->progress.ulspeed, max5[4]), /* avrg ul speed */
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          time_total,                           /* total time */
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          time_current,                         /* current time */
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          time_left,                            /* time left */
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          max5data(data->progress.current_speed, max5[5]) /* current speed */
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          );
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  return 0;
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}
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