mirror of
https://github.com/sheumann/hush.git
synced 2024-08-14 11:28:58 +00:00
function old new delta bb_progress_update 706 768 +62 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
206 lines
6.6 KiB
C
206 lines
6.6 KiB
C
/* vi: set sw=4 ts=4: */
|
|
/*
|
|
* Progress bar code.
|
|
*/
|
|
/* Original copyright notice which applies to the CONFIG_FEATURE_WGET_STATUSBAR stuff,
|
|
* much of which was blatantly stolen from openssh.
|
|
*/
|
|
/*-
|
|
* Copyright (c) 1992, 1993
|
|
* The 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. BSD Advertising Clause omitted per the July 22, 1999 licensing change
|
|
* ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
|
|
*
|
|
* 4. Neither the name of the University nor the names of its contributors
|
|
* 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.
|
|
*/
|
|
#include "libbb.h"
|
|
#include "unicode.h"
|
|
|
|
enum {
|
|
/* Seconds when xfer considered "stalled" */
|
|
STALLTIME = 5
|
|
};
|
|
|
|
void FAST_FUNC bb_progress_init(bb_progress_t *p, const char *curfile)
|
|
{
|
|
#if ENABLE_UNICODE_SUPPORT
|
|
init_unicode();
|
|
p->curfile = unicode_conv_to_printable_fixedwidth(/*NULL,*/ curfile, 20);
|
|
#else
|
|
p->curfile = curfile;
|
|
#endif
|
|
p->start_sec = monotonic_sec();
|
|
p->last_update_sec = p->start_sec;
|
|
p->last_change_sec = p->start_sec;
|
|
p->last_size = 0;
|
|
}
|
|
|
|
/* File already had beg_size bytes.
|
|
* Then we started downloading.
|
|
* We downloaded "transferred" bytes so far.
|
|
* Download is expected to stop when total size (beg_size + transferred)
|
|
* will be "totalsize" bytes.
|
|
* If totalsize == 0, then it is unknown.
|
|
*/
|
|
void FAST_FUNC bb_progress_update(bb_progress_t *p,
|
|
uoff_t beg_size,
|
|
uoff_t transferred,
|
|
uoff_t totalsize)
|
|
{
|
|
uoff_t beg_and_transferred;
|
|
unsigned since_last_update, elapsed;
|
|
int notty;
|
|
int kiloscale;
|
|
|
|
//transferred = 1234; /* use for stall detection testing */
|
|
//totalsize = 0; /* use for unknown size download testing */
|
|
|
|
elapsed = monotonic_sec();
|
|
since_last_update = elapsed - p->last_update_sec;
|
|
p->last_update_sec = elapsed;
|
|
|
|
if (totalsize != 0 && transferred >= totalsize - beg_size) {
|
|
/* Last call. Do not skip this update */
|
|
transferred = totalsize - beg_size; /* sanitize just in case */
|
|
}
|
|
else if (since_last_update == 0) {
|
|
/*
|
|
* Do not update on every call
|
|
* (we can be called on every network read!)
|
|
*/
|
|
return;
|
|
}
|
|
|
|
kiloscale = 0;
|
|
/*
|
|
* Scale sizes down if they are close to overflowing.
|
|
* This allows calculations like (100 * transferred / totalsize)
|
|
* without risking overflow: we guarantee 10 highest bits to be 0.
|
|
* Introduced error is less than 1 / 2^12 ~= 0.025%
|
|
*/
|
|
if (ULONG_MAX > 0xffffffff || sizeof(off_t) == 4 || sizeof(off_t) != 8) {
|
|
/*
|
|
* 64-bit CPU || small off_t: in either case,
|
|
* >> is cheap, single-word operation.
|
|
* ... || strange off_t: also use this code
|
|
* (it is safe, just suboptimal wrt code size),
|
|
* because 32/64 optimized one works only for 64-bit off_t.
|
|
*/
|
|
if (totalsize >= (1 << 22)) {
|
|
totalsize >>= 10;
|
|
beg_size >>= 10;
|
|
transferred >>= 10;
|
|
kiloscale = 1;
|
|
}
|
|
} else {
|
|
/* 32-bit CPU and 64-bit off_t.
|
|
* Use a 40-bit shift, it is easier to do on 32-bit CPU.
|
|
*/
|
|
/* ONE suppresses "warning: shift count >= width of type" */
|
|
#define ONE (sizeof(off_t) > 4)
|
|
if (totalsize >= (uoff_t)(1ULL << 54*ONE)) {
|
|
totalsize = (uint32_t)(totalsize >> 32*ONE) >> 8;
|
|
beg_size = (uint32_t)(beg_size >> 32*ONE) >> 8;
|
|
transferred = (uint32_t)(transferred >> 32*ONE) >> 8;
|
|
kiloscale = 4;
|
|
}
|
|
}
|
|
|
|
notty = !isatty(STDERR_FILENO);
|
|
|
|
if (ENABLE_UNICODE_SUPPORT)
|
|
fprintf(stderr, "\r%s" + notty, p->curfile);
|
|
else
|
|
fprintf(stderr, "\r%-20.20s" + notty, p->curfile);
|
|
|
|
beg_and_transferred = beg_size + transferred;
|
|
|
|
if (totalsize != 0) {
|
|
int barlength;
|
|
unsigned ratio = 100 * beg_and_transferred / totalsize;
|
|
fprintf(stderr, "%4u%%", ratio);
|
|
|
|
barlength = get_terminal_width(2) - 49;
|
|
if (barlength > 0) {
|
|
/* god bless gcc for variable arrays :) */
|
|
char buf[barlength + 1];
|
|
unsigned stars = (unsigned)barlength * beg_and_transferred / totalsize;
|
|
memset(buf, ' ', barlength);
|
|
buf[barlength] = '\0';
|
|
memset(buf, '*', stars);
|
|
fprintf(stderr, " |%s|", buf);
|
|
}
|
|
}
|
|
|
|
while (beg_and_transferred >= 100000) {
|
|
beg_and_transferred >>= 10;
|
|
kiloscale++;
|
|
}
|
|
/* see http://en.wikipedia.org/wiki/Tera */
|
|
fprintf(stderr, "%6u%c", (unsigned)beg_and_transferred, " kMGTPEZY"[kiloscale]);
|
|
#define beg_and_transferred dont_use_beg_and_transferred_below()
|
|
|
|
since_last_update = elapsed - p->last_change_sec;
|
|
if ((unsigned)transferred != p->last_size) {
|
|
p->last_change_sec = elapsed;
|
|
p->last_size = (unsigned)transferred;
|
|
if (since_last_update >= STALLTIME) {
|
|
/* We "cut out" these seconds from elapsed time
|
|
* by adjusting start time */
|
|
p->start_sec += since_last_update;
|
|
}
|
|
since_last_update = 0; /* we are un-stalled now */
|
|
}
|
|
|
|
elapsed -= p->start_sec; /* now it's "elapsed since start" */
|
|
|
|
if (since_last_update >= STALLTIME) {
|
|
fprintf(stderr, " - stalled -");
|
|
} else if (!totalsize || !transferred || (int)elapsed < 0) {
|
|
fprintf(stderr, " --:--:-- ETA");
|
|
} else {
|
|
unsigned eta, secs, hours;
|
|
|
|
totalsize -= beg_size; /* now it's "total to upload" */
|
|
|
|
/* Estimated remaining time =
|
|
* estimated_sec_to_dl_totalsize_bytes - elapsed_sec =
|
|
* totalsize / average_bytes_sec_so_far - elapsed =
|
|
* totalsize / (transferred/elapsed) - elapsed =
|
|
* totalsize * elapsed / transferred - elapsed
|
|
*/
|
|
eta = totalsize * elapsed / transferred - elapsed;
|
|
if (eta >= 1000*60*60)
|
|
eta = 1000*60*60 - 1;
|
|
secs = eta % 3600;
|
|
hours = eta / 3600;
|
|
fprintf(stderr, "%3u:%02u:%02u ETA", hours, secs / 60, secs % 60);
|
|
}
|
|
if (notty)
|
|
fputc('\n', stderr);
|
|
}
|