1 /***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) 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.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 * SPDX-License-Identifier: curl
22 *
23 ***************************************************************************/
24
25 #include "curl_setup.h"
26
27 #include "urldata.h"
28 #include "sendf.h"
29 #include "multiif.h"
30 #include "progress.h"
31 #include "timeval.h"
32 #include "curl_printf.h"
33
34 /* check rate limits within this many recent milliseconds, at minimum. */
35 #define MIN_RATE_LIMIT_PERIOD 3000
36
37 #ifndef CURL_DISABLE_PROGRESS_METER
38 /* Provide a string that is 2 + 1 + 2 + 1 + 2 = 8 letters long (plus the zero
39 byte) */
time2str(char * r,curl_off_t seconds)40 static void time2str(char *r, curl_off_t seconds)
41 {
42 curl_off_t h;
43 if(seconds <= 0) {
44 strcpy(r, "--:--:--");
45 return;
46 }
47 h = seconds / CURL_OFF_T_C(3600);
48 if(h <= CURL_OFF_T_C(99)) {
49 curl_off_t m = (seconds - (h*CURL_OFF_T_C(3600))) / CURL_OFF_T_C(60);
50 curl_off_t s = (seconds - (h*CURL_OFF_T_C(3600))) - (m*CURL_OFF_T_C(60));
51 msnprintf(r, 9, "%2" CURL_FORMAT_CURL_OFF_T ":%02" CURL_FORMAT_CURL_OFF_T
52 ":%02" CURL_FORMAT_CURL_OFF_T, h, m, s);
53 }
54 else {
55 /* this equals to more than 99 hours, switch to a more suitable output
56 format to fit within the limits. */
57 curl_off_t d = seconds / CURL_OFF_T_C(86400);
58 h = (seconds - (d*CURL_OFF_T_C(86400))) / CURL_OFF_T_C(3600);
59 if(d <= CURL_OFF_T_C(999))
60 msnprintf(r, 9, "%3" CURL_FORMAT_CURL_OFF_T
61 "d %02" CURL_FORMAT_CURL_OFF_T "h", d, h);
62 else
63 msnprintf(r, 9, "%7" CURL_FORMAT_CURL_OFF_T "d", d);
64 }
65 }
66
67 /* The point of this function would be to return a string of the input data,
68 but never longer than 5 columns (+ one zero byte).
69 Add suffix k, M, G when suitable... */
max5data(curl_off_t bytes,char * max5)70 static char *max5data(curl_off_t bytes, char *max5)
71 {
72 #define ONE_KILOBYTE CURL_OFF_T_C(1024)
73 #define ONE_MEGABYTE (CURL_OFF_T_C(1024) * ONE_KILOBYTE)
74 #define ONE_GIGABYTE (CURL_OFF_T_C(1024) * ONE_MEGABYTE)
75 #define ONE_TERABYTE (CURL_OFF_T_C(1024) * ONE_GIGABYTE)
76 #define ONE_PETABYTE (CURL_OFF_T_C(1024) * ONE_TERABYTE)
77
78 if(bytes < CURL_OFF_T_C(100000))
79 msnprintf(max5, 6, "%5" CURL_FORMAT_CURL_OFF_T, bytes);
80
81 else if(bytes < CURL_OFF_T_C(10000) * ONE_KILOBYTE)
82 msnprintf(max5, 6, "%4" CURL_FORMAT_CURL_OFF_T "k", bytes/ONE_KILOBYTE);
83
84 else if(bytes < CURL_OFF_T_C(100) * ONE_MEGABYTE)
85 /* 'XX.XM' is good as long as we're less than 100 megs */
86 msnprintf(max5, 6, "%2" CURL_FORMAT_CURL_OFF_T ".%0"
87 CURL_FORMAT_CURL_OFF_T "M", bytes/ONE_MEGABYTE,
88 (bytes%ONE_MEGABYTE) / (ONE_MEGABYTE/CURL_OFF_T_C(10)) );
89
90 else if(bytes < CURL_OFF_T_C(10000) * ONE_MEGABYTE)
91 /* 'XXXXM' is good until we're at 10000MB or above */
92 msnprintf(max5, 6, "%4" CURL_FORMAT_CURL_OFF_T "M", bytes/ONE_MEGABYTE);
93
94 else if(bytes < CURL_OFF_T_C(100) * ONE_GIGABYTE)
95 /* 10000 MB - 100 GB, we show it as XX.XG */
96 msnprintf(max5, 6, "%2" CURL_FORMAT_CURL_OFF_T ".%0"
97 CURL_FORMAT_CURL_OFF_T "G", bytes/ONE_GIGABYTE,
98 (bytes%ONE_GIGABYTE) / (ONE_GIGABYTE/CURL_OFF_T_C(10)) );
99
100 else if(bytes < CURL_OFF_T_C(10000) * ONE_GIGABYTE)
101 /* up to 10000GB, display without decimal: XXXXG */
102 msnprintf(max5, 6, "%4" CURL_FORMAT_CURL_OFF_T "G", bytes/ONE_GIGABYTE);
103
104 else if(bytes < CURL_OFF_T_C(10000) * ONE_TERABYTE)
105 /* up to 10000TB, display without decimal: XXXXT */
106 msnprintf(max5, 6, "%4" CURL_FORMAT_CURL_OFF_T "T", bytes/ONE_TERABYTE);
107
108 else
109 /* up to 10000PB, display without decimal: XXXXP */
110 msnprintf(max5, 6, "%4" CURL_FORMAT_CURL_OFF_T "P", bytes/ONE_PETABYTE);
111
112 /* 16384 petabytes (16 exabytes) is the maximum a 64 bit unsigned number can
113 hold, but our data type is signed so 8192PB will be the maximum. */
114
115 return max5;
116 }
117 #endif
118
119 /*
120
121 New proposed interface, 9th of February 2000:
122
123 pgrsStartNow() - sets start time
124 pgrsSetDownloadSize(x) - known expected download size
125 pgrsSetUploadSize(x) - known expected upload size
126 pgrsSetDownloadCounter() - amount of data currently downloaded
127 pgrsSetUploadCounter() - amount of data currently uploaded
128 pgrsUpdate() - show progress
129 pgrsDone() - transfer complete
130
131 */
132
Curl_pgrsDone(struct Curl_easy * data)133 int Curl_pgrsDone(struct Curl_easy *data)
134 {
135 int rc;
136 data->progress.lastshow = 0;
137 rc = Curl_pgrsUpdate(data); /* the final (forced) update */
138 if(rc)
139 return rc;
140
141 if(!(data->progress.flags & PGRS_HIDE) &&
142 !data->progress.callback)
143 /* only output if we don't use a progress callback and we're not
144 * hidden */
145 fprintf(data->set.err, "\n");
146
147 data->progress.speeder_c = 0; /* reset the progress meter display */
148 return 0;
149 }
150
151 /* reset the known transfer sizes */
Curl_pgrsResetTransferSizes(struct Curl_easy * data)152 void Curl_pgrsResetTransferSizes(struct Curl_easy *data)
153 {
154 Curl_pgrsSetDownloadSize(data, -1);
155 Curl_pgrsSetUploadSize(data, -1);
156 }
157
158 /*
159 *
160 * Curl_pgrsTimeWas(). Store the timestamp time at the given label.
161 */
Curl_pgrsTimeWas(struct Curl_easy * data,timerid timer,struct curltime timestamp)162 void Curl_pgrsTimeWas(struct Curl_easy *data, timerid timer,
163 struct curltime timestamp)
164 {
165 timediff_t *delta = NULL;
166
167 switch(timer) {
168 default:
169 case TIMER_NONE:
170 /* mistake filter */
171 break;
172 case TIMER_STARTOP:
173 /* This is set at the start of a transfer */
174 data->progress.t_startop = timestamp;
175 break;
176 case TIMER_STARTSINGLE:
177 /* This is set at the start of each single fetch */
178 data->progress.t_startsingle = timestamp;
179 data->progress.is_t_startransfer_set = false;
180 break;
181 case TIMER_STARTACCEPT:
182 data->progress.t_acceptdata = timestamp;
183 break;
184 case TIMER_NAMELOOKUP:
185 delta = &data->progress.t_nslookup;
186 break;
187 case TIMER_CONNECT:
188 delta = &data->progress.t_connect;
189 break;
190 case TIMER_APPCONNECT:
191 delta = &data->progress.t_appconnect;
192 break;
193 case TIMER_PRETRANSFER:
194 delta = &data->progress.t_pretransfer;
195 break;
196 case TIMER_STARTTRANSFER:
197 delta = &data->progress.t_starttransfer;
198 /* prevent updating t_starttransfer unless:
199 * 1) this is the first time we're setting t_starttransfer
200 * 2) a redirect has occurred since the last time t_starttransfer was set
201 * This prevents repeated invocations of the function from incorrectly
202 * changing the t_starttransfer time.
203 */
204 if(data->progress.is_t_startransfer_set) {
205 return;
206 }
207 else {
208 data->progress.is_t_startransfer_set = true;
209 break;
210 }
211 case TIMER_POSTRANSFER:
212 /* this is the normal end-of-transfer thing */
213 break;
214 case TIMER_REDIRECT:
215 data->progress.t_redirect = Curl_timediff_us(timestamp,
216 data->progress.start);
217 break;
218 }
219 if(delta) {
220 timediff_t us = Curl_timediff_us(timestamp, data->progress.t_startsingle);
221 if(us < 1)
222 us = 1; /* make sure at least one microsecond passed */
223 *delta += us;
224 }
225 }
226
227 /*
228 *
229 * Curl_pgrsTime(). Store the current time at the given label. This fetches a
230 * fresh "now" and returns it.
231 *
232 * @unittest: 1399
233 */
Curl_pgrsTime(struct Curl_easy * data,timerid timer)234 struct curltime Curl_pgrsTime(struct Curl_easy *data, timerid timer)
235 {
236 struct curltime now = Curl_now();
237
238 Curl_pgrsTimeWas(data, timer, now);
239 return now;
240 }
241
Curl_pgrsStartNow(struct Curl_easy * data)242 void Curl_pgrsStartNow(struct Curl_easy *data)
243 {
244 data->progress.speeder_c = 0; /* reset the progress meter display */
245 data->progress.start = Curl_now();
246 data->progress.is_t_startransfer_set = false;
247 data->progress.ul_limit_start = data->progress.start;
248 data->progress.dl_limit_start = data->progress.start;
249 data->progress.ul_limit_size = 0;
250 data->progress.dl_limit_size = 0;
251 data->progress.downloaded = 0;
252 data->progress.uploaded = 0;
253 /* clear all bits except HIDE and HEADERS_OUT */
254 data->progress.flags &= PGRS_HIDE|PGRS_HEADERS_OUT;
255 Curl_ratelimit(data, data->progress.start);
256 }
257
258 /*
259 * This is used to handle speed limits, calculating how many milliseconds to
260 * wait until we're back under the speed limit, if needed.
261 *
262 * The way it works is by having a "starting point" (time & amount of data
263 * transferred by then) used in the speed computation, to be used instead of
264 * the start of the transfer. This starting point is regularly moved as
265 * transfer goes on, to keep getting accurate values (instead of average over
266 * the entire transfer).
267 *
268 * This function takes the current amount of data transferred, the amount at
269 * the starting point, the limit (in bytes/s), the time of the starting point
270 * and the current time.
271 *
272 * Returns 0 if no waiting is needed or when no waiting is needed but the
273 * starting point should be reset (to current); or the number of milliseconds
274 * to wait to get back under the speed limit.
275 */
Curl_pgrsLimitWaitTime(curl_off_t cursize,curl_off_t startsize,curl_off_t limit,struct curltime start,struct curltime now)276 timediff_t Curl_pgrsLimitWaitTime(curl_off_t cursize,
277 curl_off_t startsize,
278 curl_off_t limit,
279 struct curltime start,
280 struct curltime now)
281 {
282 curl_off_t size = cursize - startsize;
283 timediff_t minimum;
284 timediff_t actual;
285
286 if(!limit || !size)
287 return 0;
288
289 /*
290 * 'minimum' is the number of milliseconds 'size' should take to download to
291 * stay below 'limit'.
292 */
293 if(size < CURL_OFF_T_MAX/1000)
294 minimum = (timediff_t) (CURL_OFF_T_C(1000) * size / limit);
295 else {
296 minimum = (timediff_t) (size / limit);
297 if(minimum < TIMEDIFF_T_MAX/1000)
298 minimum *= 1000;
299 else
300 minimum = TIMEDIFF_T_MAX;
301 }
302
303 /*
304 * 'actual' is the time in milliseconds it took to actually download the
305 * last 'size' bytes.
306 */
307 actual = Curl_timediff(now, start);
308 if(actual < minimum) {
309 /* if it downloaded the data faster than the limit, make it wait the
310 difference */
311 return (minimum - actual);
312 }
313
314 return 0;
315 }
316
317 /*
318 * Set the number of downloaded bytes so far.
319 */
Curl_pgrsSetDownloadCounter(struct Curl_easy * data,curl_off_t size)320 CURLcode Curl_pgrsSetDownloadCounter(struct Curl_easy *data, curl_off_t size)
321 {
322 if(data->set.max_filesize && (size > data->set.max_filesize)) {
323 failf(data, "Exceeded the maximum allowed file size "
324 "(%" CURL_FORMAT_CURL_OFF_T ")",
325 data->set.max_filesize);
326 return CURLE_FILESIZE_EXCEEDED;
327 }
328 data->progress.downloaded = size;
329 return CURLE_OK;
330 }
331
332 /*
333 * Update the timestamp and sizestamp to use for rate limit calculations.
334 */
Curl_ratelimit(struct Curl_easy * data,struct curltime now)335 void Curl_ratelimit(struct Curl_easy *data, struct curltime now)
336 {
337 /* don't set a new stamp unless the time since last update is long enough */
338 if(data->set.max_recv_speed) {
339 if(Curl_timediff(now, data->progress.dl_limit_start) >=
340 MIN_RATE_LIMIT_PERIOD) {
341 data->progress.dl_limit_start = now;
342 data->progress.dl_limit_size = data->progress.downloaded;
343 }
344 }
345 if(data->set.max_send_speed) {
346 if(Curl_timediff(now, data->progress.ul_limit_start) >=
347 MIN_RATE_LIMIT_PERIOD) {
348 data->progress.ul_limit_start = now;
349 data->progress.ul_limit_size = data->progress.uploaded;
350 }
351 }
352 }
353
354 /*
355 * Set the number of uploaded bytes so far.
356 */
Curl_pgrsSetUploadCounter(struct Curl_easy * data,curl_off_t size)357 void Curl_pgrsSetUploadCounter(struct Curl_easy *data, curl_off_t size)
358 {
359 data->progress.uploaded = size;
360 }
361
Curl_pgrsSetDownloadSize(struct Curl_easy * data,curl_off_t size)362 void Curl_pgrsSetDownloadSize(struct Curl_easy *data, curl_off_t size)
363 {
364 if(size >= 0) {
365 data->progress.size_dl = size;
366 data->progress.flags |= PGRS_DL_SIZE_KNOWN;
367 }
368 else {
369 data->progress.size_dl = 0;
370 data->progress.flags &= ~PGRS_DL_SIZE_KNOWN;
371 }
372 }
373
Curl_pgrsSetUploadSize(struct Curl_easy * data,curl_off_t size)374 void Curl_pgrsSetUploadSize(struct Curl_easy *data, curl_off_t size)
375 {
376 if(size >= 0) {
377 data->progress.size_ul = size;
378 data->progress.flags |= PGRS_UL_SIZE_KNOWN;
379 }
380 else {
381 data->progress.size_ul = 0;
382 data->progress.flags &= ~PGRS_UL_SIZE_KNOWN;
383 }
384 }
385
386 /* returns the average speed in bytes / second */
trspeed(curl_off_t size,curl_off_t us)387 static curl_off_t trspeed(curl_off_t size, /* number of bytes */
388 curl_off_t us) /* microseconds */
389 {
390 if(us < 1)
391 return size * 1000000;
392 else if(size < CURL_OFF_T_MAX/1000000)
393 return (size * 1000000) / us;
394 else if(us >= 1000000)
395 return size / (us / 1000000);
396 else
397 return CURL_OFF_T_MAX;
398 }
399
400 /* returns TRUE if it's time to show the progress meter */
progress_calc(struct Curl_easy * data,struct curltime now)401 static bool progress_calc(struct Curl_easy *data, struct curltime now)
402 {
403 bool timetoshow = FALSE;
404 struct Progress * const p = &data->progress;
405
406 /* The time spent so far (from the start) in microseconds */
407 p->timespent = Curl_timediff_us(now, p->start);
408 p->dlspeed = trspeed(p->downloaded, p->timespent);
409 p->ulspeed = trspeed(p->uploaded, p->timespent);
410
411 /* Calculations done at most once a second, unless end is reached */
412 if(p->lastshow != now.tv_sec) {
413 int countindex; /* amount of seconds stored in the speeder array */
414 int nowindex = p->speeder_c% CURR_TIME;
415 p->lastshow = now.tv_sec;
416 timetoshow = TRUE;
417
418 /* Let's do the "current speed" thing, with the dl + ul speeds
419 combined. Store the speed at entry 'nowindex'. */
420 p->speeder[ nowindex ] = p->downloaded + p->uploaded;
421
422 /* remember the exact time for this moment */
423 p->speeder_time [ nowindex ] = now;
424
425 /* advance our speeder_c counter, which is increased every time we get
426 here and we expect it to never wrap as 2^32 is a lot of seconds! */
427 p->speeder_c++;
428
429 /* figure out how many index entries of data we have stored in our speeder
430 array. With N_ENTRIES filled in, we have about N_ENTRIES-1 seconds of
431 transfer. Imagine, after one second we have filled in two entries,
432 after two seconds we've filled in three entries etc. */
433 countindex = ((p->speeder_c >= CURR_TIME)? CURR_TIME:p->speeder_c) - 1;
434
435 /* first of all, we don't do this if there's no counted seconds yet */
436 if(countindex) {
437 int checkindex;
438 timediff_t span_ms;
439 curl_off_t amount;
440
441 /* Get the index position to compare with the 'nowindex' position.
442 Get the oldest entry possible. While we have less than CURR_TIME
443 entries, the first entry will remain the oldest. */
444 checkindex = (p->speeder_c >= CURR_TIME)? p->speeder_c%CURR_TIME:0;
445
446 /* Figure out the exact time for the time span */
447 span_ms = Curl_timediff(now, p->speeder_time[checkindex]);
448 if(0 == span_ms)
449 span_ms = 1; /* at least one millisecond MUST have passed */
450
451 /* Calculate the average speed the last 'span_ms' milliseconds */
452 amount = p->speeder[nowindex]- p->speeder[checkindex];
453
454 if(amount > CURL_OFF_T_C(4294967) /* 0xffffffff/1000 */)
455 /* the 'amount' value is bigger than would fit in 32 bits if
456 multiplied with 1000, so we use the double math for this */
457 p->current_speed = (curl_off_t)
458 ((double)amount/((double)span_ms/1000.0));
459 else
460 /* the 'amount' value is small enough to fit within 32 bits even
461 when multiplied with 1000 */
462 p->current_speed = amount*CURL_OFF_T_C(1000)/span_ms;
463 }
464 else
465 /* the first second we use the average */
466 p->current_speed = p->ulspeed + p->dlspeed;
467
468 } /* Calculations end */
469 return timetoshow;
470 }
471
472 #ifndef CURL_DISABLE_PROGRESS_METER
progress_meter(struct Curl_easy * data)473 static void progress_meter(struct Curl_easy *data)
474 {
475 char max5[6][10];
476 curl_off_t dlpercen = 0;
477 curl_off_t ulpercen = 0;
478 curl_off_t total_percen = 0;
479 curl_off_t total_transfer;
480 curl_off_t total_expected_transfer;
481 char time_left[10];
482 char time_total[10];
483 char time_spent[10];
484 curl_off_t ulestimate = 0;
485 curl_off_t dlestimate = 0;
486 curl_off_t total_estimate;
487 curl_off_t timespent =
488 (curl_off_t)data->progress.timespent/1000000; /* seconds */
489
490 if(!(data->progress.flags & PGRS_HEADERS_OUT)) {
491 if(data->state.resume_from) {
492 fprintf(data->set.err,
493 "** Resuming transfer from byte position %"
494 CURL_FORMAT_CURL_OFF_T "\n", data->state.resume_from);
495 }
496 fprintf(data->set.err,
497 " %% Total %% Received %% Xferd Average Speed "
498 "Time Time Time Current\n"
499 " Dload Upload "
500 "Total Spent Left Speed\n");
501 data->progress.flags |= PGRS_HEADERS_OUT; /* headers are shown */
502 }
503
504 /* Figure out the estimated time of arrival for the upload */
505 if((data->progress.flags & PGRS_UL_SIZE_KNOWN) &&
506 (data->progress.ulspeed > CURL_OFF_T_C(0))) {
507 ulestimate = data->progress.size_ul / data->progress.ulspeed;
508
509 if(data->progress.size_ul > CURL_OFF_T_C(10000))
510 ulpercen = data->progress.uploaded /
511 (data->progress.size_ul/CURL_OFF_T_C(100));
512 else if(data->progress.size_ul > CURL_OFF_T_C(0))
513 ulpercen = (data->progress.uploaded*100) /
514 data->progress.size_ul;
515 }
516
517 /* ... and the download */
518 if((data->progress.flags & PGRS_DL_SIZE_KNOWN) &&
519 (data->progress.dlspeed > CURL_OFF_T_C(0))) {
520 dlestimate = data->progress.size_dl / data->progress.dlspeed;
521
522 if(data->progress.size_dl > CURL_OFF_T_C(10000))
523 dlpercen = data->progress.downloaded /
524 (data->progress.size_dl/CURL_OFF_T_C(100));
525 else if(data->progress.size_dl > CURL_OFF_T_C(0))
526 dlpercen = (data->progress.downloaded*100) /
527 data->progress.size_dl;
528 }
529
530 /* Now figure out which of them is slower and use that one for the
531 total estimate! */
532 total_estimate = ulestimate>dlestimate?ulestimate:dlestimate;
533
534 /* create the three time strings */
535 time2str(time_left, total_estimate > 0?(total_estimate - timespent):0);
536 time2str(time_total, total_estimate);
537 time2str(time_spent, timespent);
538
539 /* Get the total amount of data expected to get transferred */
540 total_expected_transfer =
541 ((data->progress.flags & PGRS_UL_SIZE_KNOWN)?
542 data->progress.size_ul:data->progress.uploaded)+
543 ((data->progress.flags & PGRS_DL_SIZE_KNOWN)?
544 data->progress.size_dl:data->progress.downloaded);
545
546 /* We have transferred this much so far */
547 total_transfer = data->progress.downloaded + data->progress.uploaded;
548
549 /* Get the percentage of data transferred so far */
550 if(total_expected_transfer > CURL_OFF_T_C(10000))
551 total_percen = total_transfer /
552 (total_expected_transfer/CURL_OFF_T_C(100));
553 else if(total_expected_transfer > CURL_OFF_T_C(0))
554 total_percen = (total_transfer*100) / total_expected_transfer;
555
556 fprintf(data->set.err,
557 "\r"
558 "%3" CURL_FORMAT_CURL_OFF_T " %s "
559 "%3" CURL_FORMAT_CURL_OFF_T " %s "
560 "%3" CURL_FORMAT_CURL_OFF_T " %s %s %s %s %s %s %s",
561 total_percen, /* 3 letters */ /* total % */
562 max5data(total_expected_transfer, max5[2]), /* total size */
563 dlpercen, /* 3 letters */ /* rcvd % */
564 max5data(data->progress.downloaded, max5[0]), /* rcvd size */
565 ulpercen, /* 3 letters */ /* xfer % */
566 max5data(data->progress.uploaded, max5[1]), /* xfer size */
567 max5data(data->progress.dlspeed, max5[3]), /* avrg dl speed */
568 max5data(data->progress.ulspeed, max5[4]), /* avrg ul speed */
569 time_total, /* 8 letters */ /* total time */
570 time_spent, /* 8 letters */ /* time spent */
571 time_left, /* 8 letters */ /* time left */
572 max5data(data->progress.current_speed, max5[5])
573 );
574
575 /* we flush the output stream to make it appear as soon as possible */
576 fflush(data->set.err);
577 }
578 #else
579 /* progress bar disabled */
580 #define progress_meter(x) Curl_nop_stmt
581 #endif
582
583
584 /*
585 * Curl_pgrsUpdate() returns 0 for success or the value returned by the
586 * progress callback!
587 */
Curl_pgrsUpdate(struct Curl_easy * data)588 int Curl_pgrsUpdate(struct Curl_easy *data)
589 {
590 struct curltime now = Curl_now(); /* what time is it */
591 bool showprogress = progress_calc(data, now);
592 if(!(data->progress.flags & PGRS_HIDE)) {
593 if(data->set.fxferinfo) {
594 int result;
595 /* There's a callback set, call that */
596 Curl_set_in_callback(data, true);
597 result = data->set.fxferinfo(data->set.progress_client,
598 data->progress.size_dl,
599 data->progress.downloaded,
600 data->progress.size_ul,
601 data->progress.uploaded);
602 Curl_set_in_callback(data, false);
603 if(result != CURL_PROGRESSFUNC_CONTINUE) {
604 if(result)
605 failf(data, "Callback aborted");
606 return result;
607 }
608 }
609 else if(data->set.fprogress) {
610 int result;
611 /* The older deprecated callback is set, call that */
612 Curl_set_in_callback(data, true);
613 result = data->set.fprogress(data->set.progress_client,
614 (double)data->progress.size_dl,
615 (double)data->progress.downloaded,
616 (double)data->progress.size_ul,
617 (double)data->progress.uploaded);
618 Curl_set_in_callback(data, false);
619 if(result != CURL_PROGRESSFUNC_CONTINUE) {
620 if(result)
621 failf(data, "Callback aborted");
622 return result;
623 }
624 }
625
626 if(showprogress)
627 progress_meter(data);
628 }
629
630 return 0;
631 }
632