275 lines
8.2 KiB
C
275 lines
8.2 KiB
C
/*
|
|
* Copyright (c) 1999 Theo de Raadt. All rights reserved.
|
|
* Copyright (c) 1999 Aaron Campbell. 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.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
|
|
*/
|
|
|
|
/*
|
|
* Parts from:
|
|
*
|
|
* Copyright (c) 1983, 1990, 1992, 1993, 1995
|
|
* 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. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 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 "includes.h"
|
|
RCSID("$OpenBSD: progressmeter.c,v 1.2 2003/01/12 16:57:02 markus Exp $");
|
|
|
|
#include <libgen.h>
|
|
|
|
#include "atomicio.h"
|
|
#include "progressmeter.h"
|
|
|
|
/* Number of seconds before xfer considered "stalled". */
|
|
#define STALLTIME 5
|
|
/* alarm() interval for updating progress meter. */
|
|
#define PROGRESSTIME 1
|
|
|
|
/* Signal handler used for updating the progress meter. */
|
|
static void update_progress_meter(int);
|
|
|
|
/* Returns non-zero if we are the foreground process. */
|
|
static int foregroundproc(void);
|
|
|
|
/* Returns width of the terminal (for progress meter calculations). */
|
|
static int get_tty_width(void);
|
|
|
|
/* Visual statistics about files as they are transferred. */
|
|
static void draw_progress_meter(void);
|
|
|
|
/* Time a transfer started. */
|
|
static struct timeval start;
|
|
|
|
/* Number of bytes of current file transferred so far. */
|
|
static volatile off_t *statbytes;
|
|
|
|
/* Total size of current file. */
|
|
static off_t totalbytes;
|
|
|
|
/* Name of current file being transferred. */
|
|
static char *curfile;
|
|
|
|
/* Time of last update. */
|
|
static struct timeval lastupdate;
|
|
|
|
/* Size at the time of the last update. */
|
|
static off_t lastsize;
|
|
|
|
void
|
|
start_progress_meter(char *file, off_t filesize, off_t *counter)
|
|
{
|
|
if ((curfile = basename(file)) == NULL)
|
|
curfile = file;
|
|
|
|
totalbytes = filesize;
|
|
statbytes = counter;
|
|
(void) gettimeofday(&start, (struct timezone *) 0);
|
|
lastupdate = start;
|
|
lastsize = 0;
|
|
|
|
draw_progress_meter();
|
|
signal(SIGALRM, update_progress_meter);
|
|
alarm(PROGRESSTIME);
|
|
}
|
|
|
|
void
|
|
stop_progress_meter()
|
|
{
|
|
alarm(0);
|
|
draw_progress_meter();
|
|
atomicio(write, fileno(stdout), "\n", 1);
|
|
}
|
|
|
|
static void
|
|
update_progress_meter(int ignore)
|
|
{
|
|
int save_errno = errno;
|
|
|
|
draw_progress_meter();
|
|
signal(SIGALRM, update_progress_meter);
|
|
alarm(PROGRESSTIME);
|
|
errno = save_errno;
|
|
}
|
|
|
|
static int
|
|
foregroundproc(void)
|
|
{
|
|
static pid_t pgrp = -1;
|
|
int ctty_pgrp;
|
|
|
|
if (pgrp == -1)
|
|
pgrp = getpgrp();
|
|
|
|
return ((ioctl(STDOUT_FILENO, TIOCGPGRP, &ctty_pgrp) != -1 &&
|
|
ctty_pgrp == pgrp));
|
|
}
|
|
|
|
static void
|
|
draw_progress_meter()
|
|
{
|
|
static const char spaces[] = " "
|
|
" "
|
|
" "
|
|
" "
|
|
" "
|
|
" ";
|
|
static const char prefixes[] = " KMGTP";
|
|
struct timeval now, td, wait;
|
|
off_t cursize, abbrevsize, bytespersec;
|
|
double elapsed;
|
|
int ratio, remaining, i, ai, bi, nspaces;
|
|
char buf[512];
|
|
|
|
if (foregroundproc() == 0)
|
|
return;
|
|
|
|
(void) gettimeofday(&now, (struct timezone *) 0);
|
|
cursize = *statbytes;
|
|
if (totalbytes != 0) {
|
|
ratio = 100.0 * cursize / totalbytes;
|
|
ratio = MAX(ratio, 0);
|
|
ratio = MIN(ratio, 100);
|
|
} else
|
|
ratio = 100;
|
|
|
|
abbrevsize = cursize;
|
|
for (ai = 0; abbrevsize >= 10000 && ai < sizeof(prefixes); ai++)
|
|
abbrevsize >>= 10;
|
|
|
|
timersub(&now, &lastupdate, &wait);
|
|
if (cursize > lastsize) {
|
|
lastupdate = now;
|
|
lastsize = cursize;
|
|
wait.tv_sec = 0;
|
|
}
|
|
timersub(&now, &start, &td);
|
|
elapsed = td.tv_sec + (td.tv_usec / 1000000.0);
|
|
|
|
bytespersec = 0;
|
|
if (cursize > 0) {
|
|
bytespersec = cursize;
|
|
if (elapsed > 0.0)
|
|
bytespersec /= elapsed;
|
|
}
|
|
for (bi = 1; bytespersec >= 1024000 && bi < sizeof(prefixes); bi++)
|
|
bytespersec >>= 10;
|
|
|
|
nspaces = MIN(get_tty_width() - 79, sizeof(spaces) - 1);
|
|
|
|
#ifdef HAVE_LONG_LONG_INT
|
|
snprintf(buf, sizeof(buf),
|
|
"\r%-45.45s%.*s%3d%% %4lld%c%c %3lld.%01d%cB/s",
|
|
curfile,
|
|
nspaces,
|
|
spaces,
|
|
ratio,
|
|
(long long)abbrevsize,
|
|
prefixes[ai],
|
|
ai == 0 ? ' ' : 'B',
|
|
(long long)(bytespersec / 1024),
|
|
(int)((bytespersec % 1024) * 10 / 1024),
|
|
prefixes[bi]
|
|
);
|
|
#else
|
|
/* XXX: Handle integer overflow? */
|
|
snprintf(buf, sizeof(buf),
|
|
"\r%-45.45s%.*s%3d%% %4lu%c%c %3lu.%01d%cB/s",
|
|
curfile,
|
|
nspaces,
|
|
spaces,
|
|
ratio,
|
|
(u_long)abbrevsize,
|
|
prefixes[ai],
|
|
ai == 0 ? ' ' : 'B',
|
|
(u_long)(bytespersec / 1024),
|
|
(int)((bytespersec % 1024) * 10 / 1024),
|
|
prefixes[bi]
|
|
);
|
|
#endif
|
|
|
|
if (cursize <= 0 || elapsed <= 0.0 || cursize > totalbytes) {
|
|
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
|
|
" --:-- ETA");
|
|
} else if (wait.tv_sec >= STALLTIME) {
|
|
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
|
|
" - stalled -");
|
|
} else {
|
|
if (cursize != totalbytes)
|
|
remaining = (int)(totalbytes / (cursize / elapsed) -
|
|
elapsed);
|
|
else
|
|
remaining = elapsed;
|
|
|
|
i = remaining / 3600;
|
|
if (i)
|
|
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
|
|
"%2d:", i);
|
|
else
|
|
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
|
|
" ");
|
|
i = remaining % 3600;
|
|
snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
|
|
"%02d:%02d%s", i / 60, i % 60,
|
|
(cursize != totalbytes) ? " ETA" : " ");
|
|
}
|
|
atomicio(write, fileno(stdout), buf, strlen(buf));
|
|
}
|
|
|
|
static int
|
|
get_tty_width(void)
|
|
{
|
|
struct winsize winsize;
|
|
|
|
if (ioctl(fileno(stdout), TIOCGWINSZ, &winsize) != -1)
|
|
return (winsize.ws_col ? winsize.ws_col : 80);
|
|
else
|
|
return (80);
|
|
}
|