summaryrefslogtreecommitdiff
path: root/src/tool_cb_prg.c
blob: 505ae751f618b212a84c7ff24b616719aebbc017 (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
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
/***************************************************************************
 *                                  _   _ ____  _
 *  Project                     ___| | | |  _ \| |
 *                             / __| | | | |_) | |
 *                            | (__| |_| |  _ <| |___
 *                             \___|\___/|_| \_\_____|
 *
 * Copyright (C) 1998 - 2019, Daniel Stenberg, <daniel@haxx.se>, et al.
 *
 * This software is licensed as described in the file COPYING, which
 * you should have received as part of this distribution. The terms
 * are also available at https://curl.haxx.se/docs/copyright.html.
 *
 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
 * copies of the Software, and permit persons to whom the Software is
 * furnished to do so, under the terms of the COPYING file.
 *
 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
 * KIND, either express or implied.
 *
 ***************************************************************************/
#include "tool_setup.h"

#ifdef HAVE_SYS_IOCTL_H
#include <sys/ioctl.h>
#endif

#define ENABLE_CURLX_PRINTF
/* use our own printf() functions */
#include "curlx.h"

#include "tool_cfgable.h"
#include "tool_cb_prg.h"
#include "tool_util.h"
#include "tool_operate.h"

#include "memdebug.h" /* keep this as LAST include */

#ifdef HAVE_TERMIOS_H
#  include <termios.h>
#elif defined(HAVE_TERMIO_H)
#  include <termio.h>
#endif

/* 200 values generated by this perl code:

   my $pi = 3.1415;
   foreach my $i (1 .. 200) {
     printf "%d, ", sin($i/200 * 2 * $pi) * 5000 + 5000;
   }
*/
static const unsigned int sinus[] = {
  5157, 5313, 5470, 5626, 5782, 5936, 6090, 6243, 6394, 6545, 6693, 6840, 6985,
  7128, 7269, 7408, 7545, 7679, 7810, 7938, 8064, 8187, 8306, 8422, 8535, 8644,
  8750, 8852, 8950, 9045, 9135, 9221, 9303, 9381, 9454, 9524, 9588, 9648, 9704,
  9755, 9801, 9842, 9879, 9911, 9938, 9960, 9977, 9990, 9997, 9999, 9997, 9990,
  9977, 9960, 9938, 9911, 9879, 9842, 9801, 9755, 9704, 9648, 9588, 9524, 9455,
  9381, 9303, 9221, 9135, 9045, 8950, 8852, 8750, 8645, 8535, 8422, 8306, 8187,
  8064, 7939, 7810, 7679, 7545, 7409, 7270, 7129, 6986, 6841, 6694, 6545, 6395,
  6243, 6091, 5937, 5782, 5627, 5470, 5314, 5157, 5000, 4843, 4686, 4529, 4373,
  4218, 4063, 3909, 3757, 3605, 3455, 3306, 3159, 3014, 2871, 2730, 2591, 2455,
  2321, 2190, 2061, 1935, 1813, 1693, 1577, 1464, 1355, 1249, 1147, 1049, 955,
  864, 778, 696, 618, 545, 476, 411, 351, 295, 244, 198, 157, 120, 88, 61, 39,
  22, 9, 2, 0, 2, 9, 22, 39, 61, 88, 120, 156, 198, 244, 295, 350, 410, 475,
  544, 618, 695, 777, 864, 954, 1048, 1146, 1248, 1354, 1463, 1576, 1692, 1812,
  1934, 2060, 2188, 2320, 2454, 2590, 2729, 2870, 3013, 3158, 3305, 3454, 3604,
  3755, 3908, 4062, 4216, 4372, 4528, 4685, 4842, 4999
};

static void fly(struct ProgressData *bar, bool moved)
{
  char buf[256];
  int pos;
  int check = bar->width - 2;

  msnprintf(buf, sizeof(buf), "%*s\r", bar->width-1, " ");
  memcpy(&buf[bar->bar], "-=O=-", 5);

  pos = sinus[bar->tick%200] / (10000 / check);
  buf[pos] = '#';
  pos = sinus[(bar->tick + 5)%200] / (10000 / check);
  buf[pos] = '#';
  pos = sinus[(bar->tick + 10)%200] / (10000 / check);
  buf[pos] = '#';
  pos = sinus[(bar->tick + 15)%200] / (10000 / check);
  buf[pos] = '#';

  fputs(buf, bar->out);
  bar->tick += 2;
  if(bar->tick >= 200)
    bar->tick -= 200;

  bar->bar += (moved?bar->barmove:0);
  if(bar->bar >= (bar->width - 6)) {
    bar->barmove = -1;
    bar->bar = bar->width - 6;
  }
  else if(bar->bar < 0) {
    bar->barmove = 1;
    bar->bar = 0;
  }
}

/*
** callback for CURLOPT_XFERINFOFUNCTION
*/

#define MAX_BARLENGTH 256

#if (SIZEOF_CURL_OFF_T == 4)
#  define CURL_OFF_T_MAX CURL_OFF_T_C(0x7FFFFFFF)
#else
   /* assume CURL_SIZEOF_CURL_OFF_T == 8 */
#  define CURL_OFF_T_MAX CURL_OFF_T_C(0x7FFFFFFFFFFFFFFF)
#endif

int tool_progress_cb(void *clientp,
                     curl_off_t dltotal, curl_off_t dlnow,
                     curl_off_t ultotal, curl_off_t ulnow)
{
  /* The original progress-bar source code was written for curl by Lars Aas,
     and this new edition inherits some of his concepts. */

  struct timeval now = tvnow();
  struct per_transfer *per = clientp;
  struct OutStruct *outs = &per->outs;
  struct OperationConfig *config = outs->config;
  struct ProgressData *bar = &per->progressbar;
  curl_off_t total;
  curl_off_t point;

  /* Calculate expected transfer size. initial_size can be less than zero
     when indicating that we are expecting to get the filesize from the
     remote */
  if(bar->initial_size < 0 ||
     ((CURL_OFF_T_MAX - bar->initial_size) < (dltotal + ultotal)))
    total = CURL_OFF_T_MAX;
  else
    total = dltotal + ultotal + bar->initial_size;

  /* Calculate the current progress. initial_size can be less than zero when
     indicating that we are expecting to get the filesize from the remote */
  if(bar->initial_size < 0 ||
     ((CURL_OFF_T_MAX - bar->initial_size) < (dlnow + ulnow)))
    point = CURL_OFF_T_MAX;
  else
    point = dlnow + ulnow + bar->initial_size;

  if(bar->calls) {
    /* after first call... */
    if(total) {
      /* we know the total data to get... */
      if(bar->prev == point)
        /* progress didn't change since last invoke */
        return 0;
      else if((tvdiff(now, bar->prevtime) < 100L) && point < total)
        /* limit progress-bar updating to 10 Hz except when we're at 100% */
        return 0;
    }
    else {
      /* total is unknown */
      if(tvdiff(now, bar->prevtime) < 100L)
        /* limit progress-bar updating to 10 Hz */
        return 0;
      fly(bar, point != bar->prev);
    }
  }

  /* simply count invokes */
  bar->calls++;

  if((total > 0) && (point != bar->prev)) {
    char line[MAX_BARLENGTH + 1];
    char format[40];
    double frac;
    double percent;
    int barwidth;
    int num;
    if(point > total)
      /* we have got more than the expected total! */
      total = point;

    frac = (double)point / (double)total;
    percent = frac * 100.0;
    barwidth = bar->width - 7;
    num = (int) (((double)barwidth) * frac);
    if(num > MAX_BARLENGTH)
      num = MAX_BARLENGTH;
    memset(line, '#', num);
    line[num] = '\0';
    msnprintf(format, sizeof(format), "\r%%-%ds %%5.1f%%%%", barwidth);
    fprintf(bar->out, format, line, percent);
  }
  fflush(bar->out);
  bar->prev = point;
  bar->prevtime = now;

  if(config->readbusy) {
    config->readbusy = FALSE;
    curl_easy_pause(per->curl, CURLPAUSE_CONT);
  }

  return 0;
}

void progressbarinit(struct ProgressData *bar,
                     struct OperationConfig *config)
{
  char *colp;
  memset(bar, 0, sizeof(struct ProgressData));

  /* pass this through to progress function so
   * it can display progress towards total file
   * not just the part that's left. (21-may-03, dbyron) */
  if(config->use_resume)
    bar->initial_size = config->resume_from;

  colp = curlx_getenv("COLUMNS");
  if(colp) {
    char *endptr;
    long num = strtol(colp, &endptr, 10);
    if((endptr != colp) && (endptr == colp + strlen(colp)) && (num > 20) &&
       (num < 10000))
      bar->width = (int)num;
    curl_free(colp);
  }

  if(!bar->width) {
    int cols = 0;

#ifdef TIOCGSIZE
    struct ttysize ts;
    if(!ioctl(STDIN_FILENO, TIOCGSIZE, &ts))
      cols = ts.ts_cols;
#elif defined(TIOCGWINSZ)
    struct winsize ts;
    if(!ioctl(STDIN_FILENO, TIOCGWINSZ, &ts))
      cols = ts.ws_col;
#elif defined(WIN32)
    {
      HANDLE  stderr_hnd = GetStdHandle(STD_ERROR_HANDLE);
      CONSOLE_SCREEN_BUFFER_INFO console_info;

      if((stderr_hnd != INVALID_HANDLE_VALUE) &&
         GetConsoleScreenBufferInfo(stderr_hnd, &console_info)) {
        /*
         * Do not use +1 to get the true screen-width since writing a
         * character at the right edge will cause a line wrap.
         */
        cols = (int)
          (console_info.srWindow.Right - console_info.srWindow.Left);
      }
    }
#endif /* TIOCGSIZE */
    bar->width = cols;
  }

  if(!bar->width)
    bar->width = 79;
  else if(bar->width > MAX_BARLENGTH)
    bar->width = MAX_BARLENGTH;

  bar->out = config->global->errors;
  bar->tick = 150;
  bar->barmove = 1;
}