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/*
* downloadprog.c
*
* Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.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., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
* USA.
*/
#include "config.h"
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <unistd.h>
#include <time.h>
#include <sys/time.h>
#include <libintl.h>
#include <alpm.h>
/* pacman */
#include "util.h"
#include "log.h"
#include "downloadprog.h"
#include "conf.h"
/* progress bar */
static float rate_last;
static int xfered_last;
static struct timeval last_time;
static struct timeval initial_time;
/* pacman options */
extern config_t *config;
#define FILENAME_TRIM_LEN 21
#define UPDATE_SPEED_SEC 0.1
void log_progress(const char *filename, int xfered, int total)
{
static unsigned int lasthash = 0, mouth = 0;
unsigned int i, hash;
unsigned int chomp = 0;
char *fname, *p;
unsigned int maxcols = getcols();
unsigned int progresslen = maxcols - 57;
int percent = (int)((float)xfered) / ((float)total) * 100;
struct timeval current_time;
float rate = 0.0;
unsigned int eta_h = 0, eta_m = 0, eta_s = 0;
float total_timediff, timediff;
if(xfered == 0) {
set_output_padding(1); /* we need padding from pm_fprintf output */
gettimeofday(&initial_time, NULL);
gettimeofday(&last_time, NULL);
xfered_last = 0;
rate_last = 0.0;
}
if(config->noprogressbar) {
return;
}
/* a little hard to conceal easter eggs in open-source software, but they're still fun. ;) */
chomp = alpm_option_get_chomp();
gettimeofday(¤t_time, NULL);
total_timediff = current_time.tv_sec-initial_time.tv_sec
+ (float)(current_time.tv_usec-initial_time.tv_usec) / 1000000;
timediff = current_time.tv_sec-last_time.tv_sec
+ (float)(current_time.tv_usec-last_time.tv_usec) / 1000000;
if(xfered == total) {
/* compute final values */
rate = (float)total / (total_timediff * 1024);
eta_s = (unsigned int)total_timediff;
set_output_padding(0); /* shut off padding */
} else if(timediff < UPDATE_SPEED_SEC) {
/* we avoid computing the ETA on too small periods of time, so that
results are more significant */
return;
} else {
rate = (float)(xfered - xfered_last) / (timediff * 1024);
rate = (float)(rate + 2*rate_last) / 3;
eta_s = (unsigned int)(total - xfered) / (rate * 1024);
}
rate_last = rate;
last_time = current_time;
xfered_last = xfered;
/* fix up time for display */
eta_h = eta_s / 3600;
eta_s -= eta_h * 3600;
eta_m = eta_s / 60;
eta_s -= eta_m * 60;
fname = strdup(filename);
if((p = strstr(fname, PM_EXT_PKG)) || (p = strstr(fname, PM_EXT_DB))) {
*p = '\0';
}
if(strlen(fname) > FILENAME_TRIM_LEN) {
fname[FILENAME_TRIM_LEN] = '\0';
}
/* hide the cursor i - prevent flicker
printf("\033[?25l\033[?1c");
*/
/*
* DL rate cap, for printf formatting - this should be sane for a while
* if anything we can change to MB/s if we need a higher rate
*/
if(rate > 9999.9) {
rate = 9999.9;
}
printf(" %-*s %6dK %#6.1fK/s %02u:%02u:%02u [", FILENAME_TRIM_LEN, fname,
xfered/1024, rate, eta_h, eta_m, eta_s);
free(fname);
hash = (unsigned int)percent*progresslen/100;
for(i = progresslen; i > 0; --i) {
if(chomp) {
if(i > progresslen - hash) {
printf("-");
} else if(i == progresslen - hash) {
if(lasthash == hash) {
if(mouth) {
printf("\033[1;33mC\033[m");
} else {
printf("\033[1;33mc\033[m");
}
} else {
lasthash = hash;
mouth = mouth == 1 ? 0 : 1;
if(mouth) {
printf("\033[1;33mC\033[m");
} else {
printf("\033[1;33mc\033[m");
}
}
} else if(i%3 == 0) {
printf("\033[0;37mo\033[m");
} else {
printf("\033[0;37m \033[m");
}
} else if(i > progresslen - hash) {
printf("#");
} else {
printf("-");
}
}
printf("] %3d%%\r", percent);
if(percent == 100) {
printf("\n");
}
fflush(stdout);
return;
}
/* vim: set ts=2 sw=2 noet: */
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