1 /* vi: set sw=4 ts=4: */
5 /* Original copyright notice which applies to the CONFIG_FEATURE_WGET_STATUSBAR stuff,
6 * much of which was blatantly stolen from openssh.
9 * Copyright (c) 1992, 1993
10 * The Regents of the University of California. All rights reserved.
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
21 * 3. <BSD Advertising Clause omitted per the July 22, 1999 licensing change
22 * ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change>
24 * 4. Neither the name of the University nor the names of its contributors
25 * may be used to endorse or promote products derived from this software
26 * without specific prior written permission.
28 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
29 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
32 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
36 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
37 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
44 /* Seconds when xfer considered "stalled" */
48 static unsigned int get_tty2_width(void)
51 get_terminal_width_height(2, &width, NULL);
55 void FAST_FUNC bb_progress_init(bb_progress_t *p)
57 p->start_sec = monotonic_sec();
58 p->lastupdate_sec = p->start_sec;
63 void FAST_FUNC bb_progress_update(bb_progress_t *p,
69 uoff_t beg_and_transferred;
70 unsigned since_last_update, elapsed;
74 /* totalsize == 0 if it is unknown */
76 elapsed = monotonic_sec();
77 since_last_update = elapsed - p->lastupdate_sec;
78 /* Do not update on every call
79 * (we can be called on every network read!) */
80 if (since_last_update == 0 && !totalsize)
83 beg_and_transferred = beg_range + transferred;
85 if (beg_and_transferred < totalsize) {
86 /* Do not update on every call
87 * (we can be called on every network read!) */
88 if (since_last_update == 0)
90 /* long long helps to have it working even if !LFS */
91 ratio = 100ULL * beg_and_transferred / (uoff_t)totalsize;
94 #if ENABLE_UNICODE_SUPPORT
96 /* libbb candidate? */
99 char *buf = xstrdup(curfile);
102 /* trim to 20 wide chars max (sets wbuf21[20] to 0)
103 * also, in case mbstowcs fails, we at least
104 * dont get garbage */
105 memset(wbuf21, 0, sizeof(wbuf21));
106 /* convert to wide chars, no more than 20 */
107 len = mbstowcs(wbuf21, curfile, 20); /* NB: may return -1 */
108 /* back to multibyte; cant overflow */
109 wcstombs(buf, wbuf21, INT_MAX);
110 len = (len > 20) ? 0 : 20 - len;
111 fprintf(stderr, "\r%s%*s%4u%% ", buf, len, "", ratio);
115 fprintf(stderr, "\r%-20.20s%4u%% ", curfile, ratio);
118 barlength = get_tty2_width() - 49;
120 /* god bless gcc for variable arrays :) */
121 char buf[barlength + 1];
122 unsigned stars = (unsigned)barlength * ratio / (unsigned)100;
123 memset(buf, ' ', barlength);
124 buf[barlength] = '\0';
125 memset(buf, '*', stars);
126 fprintf(stderr, "|%s|", buf);
130 while (beg_and_transferred >= 100000) {
132 beg_and_transferred >>= 10;
134 /* see http://en.wikipedia.org/wiki/Tera */
135 fprintf(stderr, "%6u%c ", (unsigned)beg_and_transferred, " kMGTPEZY"[i]);
136 #define beg_and_transferred dont_use_beg_and_transferred_below
138 if (transferred > p->lastsize) {
139 p->lastupdate_sec = elapsed;
140 p->lastsize = transferred;
141 if (since_last_update >= STALLTIME) {
142 /* We "cut off" these seconds from elapsed time
143 * by adjusting start time */
144 p->start_sec += since_last_update;
146 since_last_update = 0; /* we are un-stalled now */
148 elapsed -= p->start_sec; /* now it's "elapsed since start" */
150 if (since_last_update >= STALLTIME) {
151 fprintf(stderr, " - stalled -");
153 off_t to_download = totalsize - beg_range;
154 if (!totalsize || transferred <= 0 || (int)elapsed <= 0 || transferred > to_download) {
155 fprintf(stderr, "--:--:-- ETA");
157 /* to_download / (transferred/elapsed) - elapsed: */
158 /* (long long helps to have working ETA even if !LFS) */
159 unsigned eta = (unsigned long long)to_download*elapsed/(uoff_t)transferred - elapsed;
160 unsigned secs = eta % 3600;
161 fprintf(stderr, "%02u:%02u:%02u ETA", eta / 3600, secs / 60, secs % 60);