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curl/lib/progress.c

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/*****************************************************************************
* _ _ ____ _
* 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@haxx.nu>
*
* http://curl.haxx.nu
*
* $Source$
* $Revision$
* $Date$
* $Author$
* $State$
* $Locker$
*
* ------------------------------------------------------------
****************************************************************************/
#include <string.h>
#include "setup.h"
#if defined(WIN32) && !defined(__GNUC__) || defined(__MINGW32__)
#if defined(__MINGW32__)
#include <winsock.h>
#endif
#include <time.h>
#endif
/* 20000318 mgs
* later we use _scrsize to determine the screen width, this emx library
* function needs stdlib.h to be included */
#if defined(__EMX__)
#include <stdlib.h>
#endif
#include <curl/curl.h>
#include "urldata.h"
#include "progress.h"
void time2str(char *r, int t)
{
int h = (t/3600);
int m = (t-(h*3600))/60;
int s = (t-(h*3600)-(m*60));
sprintf(r,"%2d:%02d:%02d",h,m,s);
}
/* The point of this function would be to return a string of the input data,
but never longer than 5 columns. Add suffix k, M, G when suitable... */
char *max5data(double bytes, char *max5)
{
#define ONE_KILOBYTE 1024
#define ONE_MEGABYTE (1024*1024)
if(bytes < 100000) {
sprintf(max5, "%5d", (int)bytes);
return max5;
}
if(bytes < (9999*ONE_KILOBYTE)) {
sprintf(max5, "%4dk", (int)bytes/ONE_KILOBYTE);
return max5;
}
if(bytes < (100*ONE_MEGABYTE)) {
/* 'XX.XM' is good as long as we're less than 100 megs */
sprintf(max5, "%2.1fM", bytes/ONE_MEGABYTE);
return max5;
}
sprintf(max5, "%4dM", (int)bytes/ONE_MEGABYTE);
return max5;
}
/*
New proposed interface, 9th of February 2000:
pgrsStartNow() - sets start time
pgrsMode(type) - kind of display
pgrsSetDownloadSize(x) - known expected download size
pgrsSetUploadSize(x) - known expected upload size
pgrsSetDownloadCounter() - amount of data currently downloaded
pgrsSetUploadCounter() - amount of data currently uploaded
pgrsUpdate() - show progress
pgrsDone() - transfer complete
*/
#if 1
void pgrsDone(struct UrlData *data)
{
if(!(data->progress.flags & PGRS_HIDE)) {
data->progress.lastshow=0;
pgrsUpdate(data); /* the final (forced) update */
fprintf(stderr, "\n");
}
}
void pgrsMode(struct UrlData *data, int mode)
{
/* mode should include a hidden mode as well */
if(data->bits.hide_progress || data->bits.mute)
data->progress.flags |= PGRS_HIDE; /* don't show anything */
else {
data->progress.mode = mode; /* store type */
}
}
void pgrsTime(struct UrlData *data, timerid timer)
{
switch(timer) {
default:
case TIMER_NONE:
/* mistake filter */
break;
case TIMER_NAMELOOKUP:
data->progress.t_nslookup = tvnow();
break;
case TIMER_CONNECT:
data->progress.t_connect = tvnow();
break;
case TIMER_PRETRANSFER:
data->progress.t_pretransfer = tvnow();
break;
case TIMER_POSTRANSFER:
/* this is the normal end-of-transfer thing */
break;
}
}
void pgrsStartNow(struct UrlData *data)
{
data->progress.start = tvnow();
}
void pgrsSetDownloadCounter(struct UrlData *data, double size)
{
data->progress.downloaded = size;
}
void pgrsSetUploadCounter(struct UrlData *data, double size)
{
data->progress.uploaded = size;
}
void pgrsSetDownloadSize(struct UrlData *data, double size)
{
if(size > 0) {
data->progress.size_dl = size;
data->progress.flags |= PGRS_DL_SIZE_KNOWN;
}
}
void pgrsSetUploadSize(struct UrlData *data, double size)
{
if(size > 0) {
data->progress.size_ul = size;
data->progress.flags |= PGRS_UL_SIZE_KNOWN;
}
}
/* EXAMPLE OUTPUT to follow:
% Total % Received % Xferd Average Speed Time Curr.
Dload Upload Total Current Left Speed
100 12345 100 12345 100 12345 12345 12345 12:12:12 12:12:12 12:12:12 12345
*/
int pgrsUpdate(struct UrlData *data)
{
struct timeval now;
char max5[6][6];
double dlpercen=0;
double ulpercen=0;
double total_percen=0;
double total_transfer;
double total_expected_transfer;
#define CURR_TIME 5
static double speeder[ CURR_TIME ];
static int speeder_c=0;
int nowindex = speeder_c% CURR_TIME;
int checkindex;
int count;
char time_left[10];
char time_total[10];
char time_current[10];
double ulestimate=0;
double dlestimate=0;
double total_estimate;
if(data->progress.flags & PGRS_HIDE)
; /* We do enter this function even if we don't wanna see anything, since
this is were lots of the calculations are being made that will be used
even when not displayed! */
else if(!(data->progress.flags & PGRS_HEADERS_OUT)) {
if ( data->progress.mode == CURL_PROGRESS_STATS ) {
fprintf(data->err,
" %% Total %% Received %% Xferd Average Speed Time Curr.\n"
" Dload Upload Total Current Left Speed\n");
}
data->progress.flags |= PGRS_HEADERS_OUT; /* headers are shown */
}
now = tvnow(); /* what time is it */
if(data->progress.lastshow == tvlong(now))
return 0; /* never update this more than once a second if the end isn't
reached */
data->progress.lastshow = now.tv_sec;
/* The exact time spent so far */
data->progress.timespent = tvdiff (now, data->progress.start);
/* The average download speed this far */
data->progress.dlspeed = data->progress.downloaded/(data->progress.timespent!=0.0?data->progress.timespent:1.0);
/* The average upload speed this far */
data->progress.ulspeed = data->progress.uploaded/(data->progress.timespent!=0.0?data->progress.timespent:1.0);
/* Let's do the "current speed" thing, which should use the fastest
of the dl/ul speeds */
speeder[ nowindex ] = data->progress.downloaded>data->progress.uploaded?
data->progress.downloaded:data->progress.uploaded;
speeder_c++; /* increase */
count = ((speeder_c>=CURR_TIME)?CURR_TIME:speeder_c) - 1;
checkindex = (speeder_c>=CURR_TIME)?speeder_c%CURR_TIME:0;
/* find out the average speed the last CURR_TIME seconds */
data->progress.current_speed =
(speeder[nowindex]-speeder[checkindex])/(count?count:1);
if(data->progress.flags & PGRS_HIDE)
return 0;
else if(data->fprogress) {
return data->fprogress(data->progress_client,
data->progress.size_dl,
data->progress.downloaded,
data->progress.size_ul,
data->progress.uploaded);
}
/* Figure out the estimated time of arrival for the upload */
if(data->progress.flags & PGRS_UL_SIZE_KNOWN) {
if(!data->progress.ulspeed)
data->progress.ulspeed=1;
ulestimate = data->progress.size_ul / data->progress.ulspeed;
ulpercen = (data->progress.uploaded / data->progress.size_ul)*100;
}
/* ... and the download */
if(data->progress.flags & PGRS_DL_SIZE_KNOWN) {
if(!data->progress.dlspeed)
data->progress.dlspeed=1;
dlestimate = data->progress.size_dl / data->progress.dlspeed;
dlpercen = (data->progress.downloaded / data->progress.size_dl)*100;
}
/* Now figure out which of them that is slower and use for the for
total estimate! */
total_estimate = ulestimate>dlestimate?ulestimate:dlestimate;
/* If we have a total estimate, we can display that and the expected
time left */
if(total_estimate) {
time2str(time_left, total_estimate-(int) data->progress.timespent);
time2str(time_total, total_estimate);
}
else {
/* otherwise we blank those times */
strcpy(time_left, "--:--:--");
strcpy(time_total, "--:--:--");
}
/* The time spent so far is always known */
time2str(time_current, data->progress.timespent);
/* Get the total amount of data expected to get transfered */
total_expected_transfer =
(data->progress.flags & PGRS_UL_SIZE_KNOWN?
data->progress.size_ul:data->progress.uploaded)+
(data->progress.flags & PGRS_DL_SIZE_KNOWN?
data->progress.size_dl:data->progress.downloaded);
/* We have transfered this much so far */
total_transfer = data->progress.downloaded + data->progress.uploaded;
/* Get the percentage of data transfered so far */
if(total_expected_transfer)
total_percen=(double)(total_transfer/total_expected_transfer)*100;
fprintf(stderr,
"\r%3d %s %3d %s %3d %s %s %s %s %s %s %s",
(int)total_percen, /* total % */
max5data(total_expected_transfer, max5[2]), /* total size */
(int)dlpercen, /* rcvd % */
max5data(data->progress.downloaded, max5[0]), /* rcvd size */
(int)ulpercen, /* xfer % */
max5data(data->progress.uploaded, max5[1]), /* xfer size */
max5data(data->progress.dlspeed, max5[3]), /* avrg dl speed */
max5data(data->progress.ulspeed, max5[4]), /* avrg ul speed */
time_total, /* total time */
time_current, /* current time */
time_left, /* time left */
max5data(data->progress.current_speed, max5[5]) /* current speed */
);
#if 0
case CURL_PROGRESS_BAR:
/* original progress bar code by Lars Aas */
if (progressmax == -1) {
int prevblock = prev / 1024;
int thisblock = point / 1024;
while ( thisblock > prevblock ) {
fprintf( data->err, "#" );
prevblock++;
}
prev = point;
}
else {
char line[256];
char outline[256];
char format[40];
float frac = (float) point / (float) progressmax;
float percent = frac * 100.0f;
int barwidth = width - 7;
int num = (int) (((float)barwidth) * frac);
int i = 0;
for ( i = 0; i < num; i++ ) {
line[i] = '#';
}
line[i] = '\0';
sprintf( format, "%%-%ds %%5.1f%%%%", barwidth );
sprintf( outline, format, line, percent );
fprintf( data->err, "\r%s", outline );
}
prev = point;
break;
#endif
return 0;
}
#endif
#if 0
/* --- start of (the former) progress routines --- */
int progressmax=-1;
static int prev = 0;
static int width = 0;
void ProgressInit(struct UrlData *data, int max/*, int options, int moremax*/)
{
#ifdef __EMX__
/* 20000318 mgs */
int scr_size [2];
#endif
if(data->conf&(CONF_NOPROGRESS|CONF_MUTE))
return;
prev = 0;
/* TODO: get terminal width through ansi escapes or something similar.
try to update width when xterm is resized... - 19990617 larsa */
#ifndef __EMX__
/* 20000318 mgs
* OS/2 users most likely won't have this env var set, and besides that
* we're using our own way to determine screen width */
if (curl_GetEnv("COLUMNS") != NULL)
width = atoi(curl_GetEnv("COLUMNS"));
else
width = 79;
#else
/* 20000318 mgs
* We use this emx library call to get the screen width, and subtract
* one from what we got in order to avoid a problem with the cursor
* advancing to the next line if we print a string that is as long as
* the screen is wide. */
_scrsize(scr_size);
width = scr_size[0] - 1;
#endif
progressmax = max;
if(-1 == max)
return;
if(progressmax <= LEAST_SIZE_PROGRESS) {
progressmax = -1; /* disable */
return;
}
if ( data->progressmode == CURL_PROGRESS_STATS )
fprintf(data->err,
" %% Received Total Speed Estimated Time Left Curr.Speed\n");
}
void ProgressShow(struct UrlData *data,
int point, struct timeval start, struct timeval now, bool force)
{
switch ( data->progressmode ) {
case CURL_PROGRESS_STATS:
{
static long lastshow;
double percen;
double spent;
double speed;
#define CURR_TIME 5
static int speeder[ CURR_TIME ];
static int speeder_c=0;
int nowindex = speeder_c% CURR_TIME;
int checkindex;
int count;
if(!force && (point != progressmax) && (lastshow == tvlong(now)))
return; /* never update this more than once a second if the end isn't
reached */
spent = tvdiff (now, start);
speed = point/(spent!=0.0?spent:1.0);
if(!speed)
speed=1;
/* point is where we are right now */
speeder[ nowindex ] = point;
speeder_c++; /* increase */
count = ((speeder_c>=CURR_TIME)?CURR_TIME:speeder_c) - 1;
checkindex = (speeder_c>=CURR_TIME)?speeder_c%CURR_TIME:0;
/* find out the average speed the last CURR_TIME seconds */
data->current_speed = (speeder[nowindex]-speeder[checkindex])/(count?count:1);
#if 0
printf("NOW %d(%d) THEN %d(%d) DIFF %lf COUNT %d\n",
speeder[nowindex], nowindex,
speeder[checkindex], checkindex,
data->current_speed, count);
#endif
if(data->conf&(CONF_NOPROGRESS|CONF_MUTE))
return;
if(-1 != progressmax) {
char left[20];
char estim[20];
char timespent[20];
int estimate = progressmax/(int) speed;
time2str(left,estimate-(int) spent);
time2str(estim,estimate);
time2str(timespent,spent);
percen=(double)point/progressmax;
percen=percen*100;
fprintf(stderr, "\r%3d %10d %10d %6.0lf %s %s %s %6.0lf ",
(int)percen, point, progressmax,
speed, estim, timespent, left, data->current_speed);
}
else
fprintf(data->err,
"\r%d bytes received in %.3lf seconds (%.0lf bytes/sec)",
point, spent, speed);
lastshow = now.tv_sec;
break;
}
case CURL_PROGRESS_BAR: /* 19990617 larsa */
{
if (point == prev) break;
if (progressmax == -1) {
int prevblock = prev / 1024;
int thisblock = point / 1024;
while ( thisblock > prevblock ) {
fprintf( data->err, "#" );
prevblock++;
}
prev = point;
} else {
char line[256];
char outline[256];
char format[40];
float frac = (float) point / (float) progressmax;
float percent = frac * 100.0f;
int barwidth = width - 7;
int num = (int) (((float)barwidth) * frac);
int i = 0;
for ( i = 0; i < num; i++ ) {
line[i] = '#';
}
line[i] = '\0';
sprintf( format, "%%-%ds %%5.1f%%%%", barwidth );
sprintf( outline, format, line, percent );
fprintf( data->err, "\r%s", outline );
}
prev = point;
break;
}
default: /* 19990617 larsa */
{
int prevblock = prev / 1024;
int thisblock = point / 1024;
if (prev == point) break;
while ( thisblock > prevblock ) {
fprintf( data->err, "#" );
prevblock++;
}
prev = point;
break;
}
}
}
void ProgressEnd(struct UrlData *data)
{
if(data->conf&(CONF_NOPROGRESS|CONF_MUTE))
return;
fputs("\n", data->err);
}
/* --- end of progress routines --- */
#endif
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