src/pacman/downloadprog.c


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

/*
 *  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 initial_time;

/* pacman options */
extern config_t *config;

#define FILENAME_TRIM_LEN 23

void log_progress(const char *filename, int xfered, int total)
{
  const int infolen = 50;
  char *fname, *p; 

  struct timeval current_time;
  float rate = 0.0;
  unsigned int eta_h = 0, eta_m = 0, eta_s = 0;
  float total_timediff, timediff;

  if(config->noprogressbar) {
    return;
  }

  int percent = (int)((float)xfered) / ((float)total) * 100;

  if(xfered == 0) {
    set_output_padding(1); /* we need padding from pm_fprintf output */
    gettimeofday(&initial_time, NULL);
    xfered_last = 0;
    rate_last = 0.0;
    timediff = get_update_timediff(1);
  } else {
    timediff = get_update_timediff(0);
  }

  if(percent > 0 && percent < 100 && !timediff) {
    /* only update the progress bar when
     * a) we first start
     * b) we end the progress
     * c) it has been long enough since the last call
     */
    return;
  }

  gettimeofday(&current_time, NULL);
  total_timediff = current_time.tv_sec-initial_time.tv_sec
    + (float)(current_time.tv_usec-initial_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 {
    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;
  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';
  }

  /* 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);
  
  fill_progress(percent, getcols() - infolen);
  return;
}

/* vim: set ts=2 sw=2 noet: */