1 /***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) 1998 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
9 *
10 * This software is licensed as described in the file COPYING, which
11 * you should have received as part of this distribution. The terms
12 * are also available at https://curl.haxx.se/docs/copyright.html.
13 *
14 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
15 * copies of the Software, and permit persons to whom the Software is
16 * furnished to do so, under the terms of the COPYING file.
17 *
18 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
19 * KIND, either express or implied.
20 *
21 ***************************************************************************/
22 #include "tool_setup.h"
23
24 #ifdef HAVE_SYS_IOCTL_H
25 #include <sys/ioctl.h>
26 #endif
27
28 #define ENABLE_CURLX_PRINTF
29 /* use our own printf() functions */
30 #include "curlx.h"
31
32 #include "tool_cfgable.h"
33 #include "tool_cb_prg.h"
34 #include "tool_util.h"
35
36 #include "memdebug.h" /* keep this as LAST include */
37
38 /* 200 values generated by this perl code:
39
40 my $pi = 3.1415;
41 foreach my $i (1 .. 200) {
42 printf "%d, ", sin($i/200 * 2 * $pi) * 5000 + 5000;
43 }
44 */
45 static const unsigned int sinus[] = {
46 5157, 5313, 5470, 5626, 5782, 5936, 6090, 6243, 6394, 6545, 6693, 6840, 6985,
47 7128, 7269, 7408, 7545, 7679, 7810, 7938, 8064, 8187, 8306, 8422, 8535, 8644,
48 8750, 8852, 8950, 9045, 9135, 9221, 9303, 9381, 9454, 9524, 9588, 9648, 9704,
49 9755, 9801, 9842, 9879, 9911, 9938, 9960, 9977, 9990, 9997, 9999, 9997, 9990,
50 9977, 9960, 9938, 9911, 9879, 9842, 9801, 9755, 9704, 9648, 9588, 9524, 9455,
51 9381, 9303, 9221, 9135, 9045, 8950, 8852, 8750, 8645, 8535, 8422, 8306, 8187,
52 8064, 7939, 7810, 7679, 7545, 7409, 7270, 7129, 6986, 6841, 6694, 6545, 6395,
53 6243, 6091, 5937, 5782, 5627, 5470, 5314, 5157, 5000, 4843, 4686, 4529, 4373,
54 4218, 4063, 3909, 3757, 3605, 3455, 3306, 3159, 3014, 2871, 2730, 2591, 2455,
55 2321, 2190, 2061, 1935, 1813, 1693, 1577, 1464, 1355, 1249, 1147, 1049, 955,
56 864, 778, 696, 618, 545, 476, 411, 351, 295, 244, 198, 157, 120, 88, 61, 39,
57 22, 9, 2, 0, 2, 9, 22, 39, 61, 88, 120, 156, 198, 244, 295, 350, 410, 475,
58 544, 618, 695, 777, 864, 954, 1048, 1146, 1248, 1354, 1463, 1576, 1692, 1812,
59 1934, 2060, 2188, 2320, 2454, 2590, 2729, 2870, 3013, 3158, 3305, 3454, 3604,
60 3755, 3908, 4062, 4216, 4372, 4528, 4685, 4842, 4999
61 };
62
fly(struct ProgressData * bar,bool moved)63 static void fly(struct ProgressData *bar, bool moved)
64 {
65 char buf[256];
66 int pos;
67 int check = bar->width - 2;
68
69 snprintf(buf, sizeof(buf), "%*s\r", bar->width-1, " ");
70 memcpy(&buf[bar->bar], "-=O=-", 5);
71
72 pos = sinus[bar->tick%200] / (10000 / check);
73 buf[pos] = '#';
74 pos = sinus[(bar->tick + 5)%200] / (10000 / check);
75 buf[pos] = '#';
76 pos = sinus[(bar->tick + 10)%200] / (10000 / check);
77 buf[pos] = '#';
78 pos = sinus[(bar->tick + 15)%200] / (10000 / check);
79 buf[pos] = '#';
80
81 fputs(buf, stderr);
82 bar->tick += 2;
83 if(bar->tick >= 200)
84 bar->tick -= 200;
85
86 bar->bar += (moved?bar->barmove:0);
87 if(bar->bar >= (bar->width - 6)) {
88 bar->barmove = -1;
89 bar->bar = bar->width - 6;
90 }
91 else if(bar->bar < 0) {
92 bar->barmove = 1;
93 bar->bar = 0;
94 }
95 }
96
97 /*
98 ** callback for CURLOPT_XFERINFOFUNCTION
99 */
100
101 #define MAX_BARLENGTH 256
102
tool_progress_cb(void * clientp,curl_off_t dltotal,curl_off_t dlnow,curl_off_t ultotal,curl_off_t ulnow)103 int tool_progress_cb(void *clientp,
104 curl_off_t dltotal, curl_off_t dlnow,
105 curl_off_t ultotal, curl_off_t ulnow)
106 {
107 /* The original progress-bar source code was written for curl by Lars Aas,
108 and this new edition inherits some of his concepts. */
109
110 char line[MAX_BARLENGTH + 1];
111 char format[40];
112 double frac;
113 double percent;
114 int barwidth;
115 int num;
116 struct timeval now = tvnow();
117 struct ProgressData *bar = (struct ProgressData *)clientp;
118 curl_off_t total;
119 curl_off_t point;
120
121 /* expected transfer size */
122 total = dltotal + ultotal + bar->initial_size;
123
124 /* we've come this far */
125 point = dlnow + ulnow + bar->initial_size;
126
127 if(bar->calls) {
128 /* after first call... */
129 if(total) {
130 /* we know the total data to get... */
131 if(bar->prev == point)
132 /* progress didn't change since last invoke */
133 return 0;
134 else if((tvdiff(now, bar->prevtime) < 100L) && point < total)
135 /* limit progress-bar updating to 10 Hz except when we're at 100% */
136 return 0;
137 }
138 else {
139 /* total is unknown */
140 if(tvdiff(now, bar->prevtime) < 100L)
141 /* limit progress-bar updating to 10 Hz */
142 return 0;
143 fly(bar, point != bar->prev);
144 }
145 }
146
147 /* simply count invokes */
148 bar->calls++;
149
150 if((total > 0) && (point != bar->prev)) {
151 if(point > total)
152 /* we have got more than the expected total! */
153 total = point;
154
155 frac = (double)point / (double)total;
156 percent = frac * 100.0;
157 barwidth = bar->width - 7;
158 num = (int) (((double)barwidth) * frac);
159 if(num > MAX_BARLENGTH)
160 num = MAX_BARLENGTH;
161 memset(line, '#', num);
162 line[num] = '\0';
163 snprintf(format, sizeof(format), "\r%%-%ds %%5.1f%%%%", barwidth);
164 fprintf(bar->out, format, line, percent);
165 }
166 fflush(bar->out);
167 bar->prev = point;
168 bar->prevtime = now;
169
170 return 0;
171 }
172
progressbarinit(struct ProgressData * bar,struct OperationConfig * config)173 void progressbarinit(struct ProgressData *bar,
174 struct OperationConfig *config)
175 {
176 char *colp;
177 memset(bar, 0, sizeof(struct ProgressData));
178
179 /* pass this through to progress function so
180 * it can display progress towards total file
181 * not just the part that's left. (21-may-03, dbyron) */
182 if(config->use_resume)
183 bar->initial_size = config->resume_from;
184
185 colp = curlx_getenv("COLUMNS");
186 if(colp) {
187 char *endptr;
188 long num = strtol(colp, &endptr, 10);
189 if((endptr != colp) && (endptr == colp + strlen(colp)) && (num > 20))
190 bar->width = (int)num;
191 curl_free(colp);
192 }
193
194 if(!bar->width) {
195 int cols = 0;
196
197 #ifdef TIOCGSIZE
198 struct ttysize ts;
199 if(!ioctl(STDIN_FILENO, TIOCGSIZE, &ts))
200 cols = ts.ts_cols;
201 #elif defined(TIOCGWINSZ)
202 struct winsize ts;
203 if(!ioctl(STDIN_FILENO, TIOCGWINSZ, &ts))
204 cols = ts.ws_col;
205 #elif defined(_WIN32)
206 {
207 HANDLE stderr_hnd = GetStdHandle(STD_ERROR_HANDLE);
208 CONSOLE_SCREEN_BUFFER_INFO console_info;
209
210 if((stderr_hnd != INVALID_HANDLE_VALUE) &&
211 GetConsoleScreenBufferInfo(stderr_hnd, &console_info)) {
212 /*
213 * Do not use +1 to get the true screen-width since writing a
214 * character at the right edge will cause a line wrap.
215 */
216 cols = (int)
217 (console_info.srWindow.Right - console_info.srWindow.Left);
218 }
219 }
220 #endif /* TIOCGSIZE */
221 bar->width = cols;
222 }
223
224 if(!bar->width)
225 bar->width = 79;
226 else if(bar->width > MAX_BARLENGTH)
227 bar->width = MAX_BARLENGTH;
228
229 bar->out = config->global->errors;
230 bar->tick = 150;
231 bar->barmove = 1;
232 }
233