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/***************************************************************************
* _ _ ____ _
* Project ___| | | | _ \| |
* / __| | | | |_) | |
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at https://curl.se/docs/copyright.html.
*
* You may opt to use, copy, modify, merge, publish, distribute and/or sell
* copies of the Software, and permit persons to whom the Software is
* furnished to do so, under the terms of the COPYING file.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
* SPDX-License-Identifier: curl
*
***************************************************************************/
#include "tool_setup.h"
#ifdef HAVE_SYS_IOCTL_H
#include <sys/ioctl.h>
#endif
#define ENABLE_CURLX_PRINTF
/* use our own printf() functions */
#include "curlx.h"
#include "tool_cfgable.h"
#include "tool_cb_prg.h"
#include "tool_util.h"
#include "tool_operate.h"
#include "memdebug.h" /* keep this as LAST include */
#ifdef HAVE_TERMIOS_H
# include <termios.h>
#elif defined(HAVE_TERMIO_H)
# include <termio.h>
#endif
/* 200 values generated by this perl code:
my $pi = 3.1415;
foreach my $i (1 .. 200) {
printf "%d, ", sin($i/200 * 2 * $pi) * 500000 + 500000;
}
*/
static const unsigned int sinus[] = {
515704, 531394, 547052, 562664, 578214, 593687, 609068, 624341, 639491,
654504, 669364, 684057, 698568, 712883, 726989, 740870, 754513, 767906,
781034, 793885, 806445, 818704, 830647, 842265, 853545, 864476, 875047,
885248, 895069, 904500, 913532, 922156, 930363, 938145, 945495, 952406,
958870, 964881, 970434, 975522, 980141, 984286, 987954, 991139, 993840,
996054, 997778, 999011, 999752, 999999, 999754, 999014, 997783, 996060,
993848, 991148, 987964, 984298, 980154, 975536, 970449, 964898, 958888,
952426, 945516, 938168, 930386, 922180, 913558, 904527, 895097, 885277,
875077, 864507, 853577, 842299, 830682, 818739, 806482, 793922, 781072,
767945, 754553, 740910, 727030, 712925, 698610, 684100, 669407, 654548,
639536, 624386, 609113, 593733, 578260, 562710, 547098, 531440, 515751,
500046, 484341, 468651, 452993, 437381, 421830, 406357, 390976, 375703,
360552, 345539, 330679, 315985, 301474, 287158, 273052, 259170, 245525,
232132, 219003, 206152, 193590, 181331, 169386, 157768, 146487, 135555,
124983, 114781, 104959, 95526, 86493, 77868, 69660, 61876, 54525, 47613,
41147, 35135, 29581, 24491, 19871, 15724, 12056, 8868, 6166, 3951, 2225,
990, 248, 0, 244, 982, 2212, 3933, 6144, 8842, 12025, 15690, 19832, 24448,
29534, 35084, 41092, 47554, 54462, 61809, 69589, 77794, 86415, 95445,
104873, 114692, 124891, 135460, 146389, 157667, 169282, 181224, 193480,
206039, 218888, 232015, 245406, 259048, 272928, 287032, 301346, 315856,
330548, 345407, 360419, 375568, 390841, 406221, 421693, 437243, 452854,
468513, 484202, 499907
};
static void fly(struct ProgressData *bar, bool moved)
{
char buf[256];
int pos;
int check = bar->width - 2;
msnprintf(buf, sizeof(buf), "%*s\r", bar->width-1, " ");
memcpy(&buf[bar->bar], "-=O=-", 5);
pos = sinus[bar->tick%200] / (1000000 / check);
buf[pos] = '#';
pos = sinus[(bar->tick + 5)%200] / (1000000 / check);
buf[pos] = '#';
pos = sinus[(bar->tick + 10)%200] / (1000000 / check);
buf[pos] = '#';
pos = sinus[(bar->tick + 15)%200] / (1000000 / check);
buf[pos] = '#';
fputs(buf, bar->out);
bar->tick += 2;
if(bar->tick >= 200)
bar->tick -= 200;
bar->bar += (moved?bar->barmove:0);
if(bar->bar >= (bar->width - 6)) {
bar->barmove = -1;
bar->bar = bar->width - 6;
}
else if(bar->bar < 0) {
bar->barmove = 1;
bar->bar = 0;
}
}
/*
** callback for CURLOPT_XFERINFOFUNCTION
*/
#define MAX_BARLENGTH 256
#if (SIZEOF_CURL_OFF_T < 8)
#error "too small curl_off_t"
#else
/* assume SIZEOF_CURL_OFF_T == 8 */
# define CURL_OFF_T_MAX CURL_OFF_T_C(0x7FFFFFFFFFFFFFFF)
#endif
int tool_progress_cb(void *clientp,
curl_off_t dltotal, curl_off_t dlnow,
curl_off_t ultotal, curl_off_t ulnow)
{
struct timeval now = tvnow();
struct per_transfer *per = clientp;
struct OperationConfig *config = per->config;
struct ProgressData *bar = &per->progressbar;
curl_off_t total;
curl_off_t point;
/* Calculate expected transfer size. initial_size can be less than zero when
indicating that we are expecting to get the filesize from the remote */
if(bar->initial_size < 0) {
if(dltotal || ultotal)
total = dltotal + ultotal;
else
total = CURL_OFF_T_MAX;
}
else if((CURL_OFF_T_MAX - bar->initial_size) < (dltotal + ultotal))
total = CURL_OFF_T_MAX;
else
total = dltotal + ultotal + bar->initial_size;
/* Calculate the current progress. initial_size can be less than zero when
indicating that we are expecting to get the filesize from the remote */
if(bar->initial_size < 0) {
if(dltotal || ultotal)
point = dlnow + ulnow;
else
point = CURL_OFF_T_MAX;
}
else if((CURL_OFF_T_MAX - bar->initial_size) < (dlnow + ulnow))
point = CURL_OFF_T_MAX;
else
point = dlnow + ulnow + bar->initial_size;
if(bar->calls) {
/* after first call... */
if(total) {
/* we know the total data to get... */
if(bar->prev == point)
/* progress didn't change since last invoke */
return 0;
else if((tvdiff(now, bar->prevtime) < 100L) && point < total)
/* limit progress-bar updating to 10 Hz except when we're at 100% */
return 0;
}
else {
/* total is unknown */
if(tvdiff(now, bar->prevtime) < 100L)
/* limit progress-bar updating to 10 Hz */
return 0;
fly(bar, point != bar->prev);
}
}
/* simply count invokes */
bar->calls++;
if((total > 0) && (point != bar->prev)) {
char line[MAX_BARLENGTH + 1];
char format[40];
double frac;
double percent;
int barwidth;
int num;
if(point > total)
/* we have got more than the expected total! */
total = point;
frac = (double)point / (double)total;
percent = frac * 100.0;
barwidth = bar->width - 7;
num = (int) (((double)barwidth) * frac);
if(num > MAX_BARLENGTH)
num = MAX_BARLENGTH;
memset(line, '#', num);
line[num] = '\0';
msnprintf(format, sizeof(format), "\r%%-%ds %%5.1f%%%%", barwidth);
fprintf(bar->out, format, line, percent);
}
fflush(bar->out);
bar->prev = point;
bar->prevtime = now;
if(config->readbusy) {
config->readbusy = FALSE;
curl_easy_pause(per->curl, CURLPAUSE_CONT);
}
return 0;
}
void progressbarinit(struct ProgressData *bar,
struct OperationConfig *config)
{
char *colp;
memset(bar, 0, sizeof(struct ProgressData));
/* pass the resume from value through to the progress function so it can
* display progress towards total file not just the part that's left. */
if(config->use_resume)
bar->initial_size = config->resume_from;
colp = curlx_getenv("COLUMNS");
if(colp) {
char *endptr;
long num = strtol(colp, &endptr, 10);
if((endptr != colp) && (endptr == colp + strlen(colp)) && (num > 20) &&
(num < 10000))
bar->width = (int)num;
curl_free(colp);
}
if(!bar->width) {
int cols = 0;
#ifdef TIOCGSIZE
struct ttysize ts;
if(!ioctl(STDIN_FILENO, TIOCGSIZE, &ts))
cols = ts.ts_cols;
#elif defined(TIOCGWINSZ)
struct winsize ts;
if(!ioctl(STDIN_FILENO, TIOCGWINSZ, &ts))
cols = ts.ws_col;
#elif defined(WIN32)
{
HANDLE stderr_hnd = GetStdHandle(STD_ERROR_HANDLE);
CONSOLE_SCREEN_BUFFER_INFO console_info;
if((stderr_hnd != INVALID_HANDLE_VALUE) &&
GetConsoleScreenBufferInfo(stderr_hnd, &console_info)) {
/*
* Do not use +1 to get the true screen-width since writing a
* character at the right edge will cause a line wrap.
*/
cols = (int)
(console_info.srWindow.Right - console_info.srWindow.Left);
}
}
#endif /* TIOCGSIZE */
if(cols > 20)
bar->width = cols;
}
if(!bar->width)
bar->width = 79;
else if(bar->width > MAX_BARLENGTH)
bar->width = MAX_BARLENGTH;
bar->out = stderr;
bar->tick = 150;
bar->barmove = 1;
}
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