summaryrefslogtreecommitdiff
path: root/src/pacman/downloadprog.c
blob: ae9f20054a8a2f11ac4b0c3aa5e000f6987212a9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
/*
 *  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(&current_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: */