2009-11-08 15:34:43 +00:00
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/* vi: set sw=4 ts=4: */
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/*
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* Progress bar code.
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*/
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/* Original copyright notice which applies to the CONFIG_FEATURE_WGET_STATUSBAR stuff,
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* much of which was blatantly stolen from openssh.
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*/
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/*-
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* Copyright (c) 1992, 1993
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2010-10-28 16:57:19 +00:00
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* The Regents of the University of California. All rights reserved.
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2009-11-08 15:34:43 +00:00
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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2010-10-28 16:57:19 +00:00
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* 3. BSD Advertising Clause omitted per the July 22, 1999 licensing change
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* ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
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2009-11-08 15:34:43 +00:00
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*
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include "libbb.h"
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#include "unicode.h"
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enum {
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/* Seconds when xfer considered "stalled" */
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STALLTIME = 5
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};
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static unsigned int get_tty2_width(void)
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{
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unsigned width;
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get_terminal_width_height(2, &width, NULL);
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return width;
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}
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void FAST_FUNC bb_progress_init(bb_progress_t *p)
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{
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p->start_sec = monotonic_sec();
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p->lastupdate_sec = p->start_sec;
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p->lastsize = 0;
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2010-03-05 22:38:54 +00:00
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p->inited = 1;
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2009-11-08 15:34:43 +00:00
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}
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void FAST_FUNC bb_progress_update(bb_progress_t *p,
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const char *curfile,
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2011-02-10 13:25:51 +00:00
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uoff_t beg_range,
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uoff_t transferred,
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uoff_t totalsize)
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2009-11-08 15:34:43 +00:00
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{
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2010-08-08 00:51:20 +00:00
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uoff_t beg_and_transferred;
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2009-11-08 15:34:43 +00:00
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unsigned since_last_update, elapsed;
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unsigned ratio;
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2011-02-10 13:25:51 +00:00
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int barlength;
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int kiloscale;
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2009-11-08 15:34:43 +00:00
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2010-08-08 00:51:20 +00:00
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/* totalsize == 0 if it is unknown */
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2011-02-10 13:25:51 +00:00
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beg_and_transferred = beg_range + transferred;
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2010-08-08 00:51:20 +00:00
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elapsed = monotonic_sec();
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since_last_update = elapsed - p->lastupdate_sec;
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/* Do not update on every call
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2010-08-08 02:21:50 +00:00
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* (we can be called on every network read!) */
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2011-02-10 13:25:51 +00:00
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if (since_last_update == 0 && beg_and_transferred < totalsize)
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2011-01-10 11:51:44 +00:00
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return;
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2010-08-08 00:51:20 +00:00
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2011-02-10 13:25:51 +00:00
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/* Scale sizes down if they are close to overflowing.
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* If off_t is only 32 bits, this allows calculations
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* like (100 * transferred / totalsize) without risking overflow.
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* Introduced error is < 0.1%
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*/
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kiloscale = 0;
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if (totalsize >= (1 << 20)) {
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totalsize >>= 10;
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beg_range >>= 10;
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transferred >>= 10;
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beg_and_transferred >>= 10;
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kiloscale++;
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2009-11-08 15:34:43 +00:00
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}
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2011-02-10 13:25:51 +00:00
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if (beg_and_transferred >= totalsize)
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beg_and_transferred = totalsize;
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ratio = 100 * beg_and_transferred / totalsize;
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2010-03-26 13:06:56 +00:00
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#if ENABLE_UNICODE_SUPPORT
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2010-01-04 19:49:58 +00:00
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init_unicode();
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2009-11-08 15:34:43 +00:00
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{
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2011-01-11 12:08:28 +00:00
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char *buf = unicode_conv_to_printable_fixedwidth(/*NULL,*/ curfile, 20);
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2011-01-10 15:10:29 +00:00
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fprintf(stderr, "\r%s%4u%% ", buf, ratio);
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2009-11-08 15:34:43 +00:00
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free(buf);
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}
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#else
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2010-08-08 00:51:20 +00:00
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fprintf(stderr, "\r%-20.20s%4u%% ", curfile, ratio);
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2009-11-08 15:34:43 +00:00
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#endif
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barlength = get_tty2_width() - 49;
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if (barlength > 0) {
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/* god bless gcc for variable arrays :) */
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2010-08-08 02:21:50 +00:00
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char buf[barlength + 1];
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2011-02-10 13:25:51 +00:00
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unsigned stars = (unsigned)barlength * beg_and_transferred / totalsize;
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2010-08-08 02:21:50 +00:00
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memset(buf, ' ', barlength);
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buf[barlength] = '\0';
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memset(buf, '*', stars);
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fprintf(stderr, "|%s|", buf);
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2009-11-08 15:34:43 +00:00
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}
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2010-08-08 02:21:50 +00:00
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2010-08-08 00:51:20 +00:00
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while (beg_and_transferred >= 100000) {
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2011-02-10 13:25:51 +00:00
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kiloscale++;
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2010-08-08 00:51:20 +00:00
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beg_and_transferred >>= 10;
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2009-11-08 15:34:43 +00:00
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}
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/* see http://en.wikipedia.org/wiki/Tera */
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2011-02-10 13:25:51 +00:00
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fprintf(stderr, "%6u%c ", (unsigned)beg_and_transferred, " kMGTPEZY"[kiloscale]);
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#define beg_and_transferred dont_use_beg_and_transferred_below()
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2009-11-08 15:34:43 +00:00
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if (transferred > p->lastsize) {
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p->lastupdate_sec = elapsed;
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p->lastsize = transferred;
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if (since_last_update >= STALLTIME) {
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/* We "cut off" these seconds from elapsed time
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* by adjusting start time */
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p->start_sec += since_last_update;
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}
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since_last_update = 0; /* we are un-stalled now */
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}
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elapsed -= p->start_sec; /* now it's "elapsed since start" */
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if (since_last_update >= STALLTIME) {
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fprintf(stderr, " - stalled -");
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} else {
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2011-02-10 13:25:51 +00:00
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uoff_t to_download = totalsize - beg_range;
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if (!totalsize || (int)elapsed <= 0 || transferred > to_download) {
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2009-11-08 15:34:43 +00:00
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fprintf(stderr, "--:--:-- ETA");
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} else {
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/* to_download / (transferred/elapsed) - elapsed: */
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2011-02-10 13:25:51 +00:00
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unsigned eta = to_download * elapsed / transferred - elapsed;
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2010-08-08 02:21:50 +00:00
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unsigned secs = eta % 3600;
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2011-01-10 15:10:29 +00:00
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unsigned hours = eta / 3600;
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fprintf(stderr, "%02u:%02u:%02u ETA", hours, secs / 60, secs % 60);
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2009-11-08 15:34:43 +00:00
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}
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}
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}
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