Files
android_external_rsync/progress.c
2004-01-13 18:25:03 +00:00

127 lines
3.5 KiB
C

/* -*- c-file-style: "linux" -*-
*
* Copyright (C) 1996-2000 by Andrew Tridgell
* Copyright (C) Paul Mackerras 1996
* Copyright (C) 2001, 2002 by Martin Pool <mbp@samba.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "rsync.h"
extern struct stats stats;
extern int am_server;
static OFF_T last_ofs;
static struct timeval print_time;
static struct timeval start_time;
static OFF_T start_ofs;
static unsigned long msdiff(struct timeval *t1, struct timeval *t2)
{
return (t2->tv_sec - t1->tv_sec) * 1000
+ (t2->tv_usec - t1->tv_usec) / 1000;
}
/**
* @param ofs Current position in file
* @param size Total size of file
* @param is_last True if this is the last time progress will be
* printed for this file, so we should output a newline. (Not
* necessarily the same as all bytes being received.)
**/
static void rprint_progress(OFF_T ofs, OFF_T size, struct timeval *now,
int is_last)
{
char eol[256];
int pct = (ofs == size) ? 100 : (int)((100.0*ofs)/size);
unsigned long diff = msdiff(&start_time, now);
double rate = diff ? (double) (ofs-start_ofs) * 1000.0 / diff / 1024.0 : 0;
const char *units;
/* If we've finished transferring this file, show the time taken;
* otherwise show expected time to complete. That's kind of
* inconsistent, but people can probably cope. Hopefully we'll
* get more consistent and complete progress reporting soon. --
* mbp */
double remain = is_last ? (double) diff / 1000.0
: rate ? (double) (size-ofs) / rate / 1000.0 : 0.0;
int remain_h, remain_m, remain_s;
if (rate > 1024*1024) {
rate /= 1024.0 * 1024.0;
units = "GB/s";
} else if (rate > 1024) {
rate /= 1024.0;
units = "MB/s";
} else {
units = "kB/s";
}
remain_s = (int) remain % 60;
remain_m = (int) (remain / 60.0) % 60;
remain_h = (int) (remain / 3600.0);
if (is_last) {
snprintf(eol, sizeof eol, " (%d, %.1f%% of %d)\n",
stats.num_transferred_files,
(float)(stats.current_file_index * 100) / stats.num_files,
stats.num_files);
} else
strcpy(eol, "\r");
rprintf(FINFO, "%12.0f %3d%% %7.2f%s %4d:%02d:%02d%s",
(double) ofs, pct, rate, units,
remain_h, remain_m, remain_s, eol);
}
void end_progress(OFF_T size)
{
if (!am_server) {
struct timeval now;
gettimeofday(&now, NULL);
rprint_progress(size, size, &now, True);
}
last_ofs = 0;
start_ofs = 0;
print_time.tv_sec = print_time.tv_usec = 0;
start_time.tv_sec = start_time.tv_usec = 0;
}
void show_progress(OFF_T ofs, OFF_T size)
{
struct timeval now;
if (!start_time.tv_sec) {
gettimeofday(&now, NULL);
start_time.tv_sec = now.tv_sec;
start_time.tv_usec = now.tv_usec;
start_ofs = ofs;
if (am_server)
return;
}
else {
if (am_server)
return;
gettimeofday(&now, NULL);
}
if (ofs > last_ofs + 1000 && msdiff(&print_time, &now) > 250) {
rprint_progress(ofs, size, &now, False);
last_ofs = ofs;
print_time.tv_sec = now.tv_sec;
print_time.tv_usec = now.tv_usec;
}
}