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 transfer */
178 data->progress.t_startsingle = timestamp;
179 data->progress.is_t_startransfer_set = false;
180 break;
181 case TIMER_POSTQUEUE:
182 /* Set when the transfer starts (after potentially having been brought
183 back from the waiting queue). It needs to count from t_startop and not
184 t_startsingle since the latter is reset when a connection is brought
185 back from the pending queue. */
186 data->progress.t_postqueue =
187 Curl_timediff_us(timestamp, data->progress.t_startop);
188 break;
189 case TIMER_STARTACCEPT:
190 data->progress.t_acceptdata = timestamp;
191 break;
192 case TIMER_NAMELOOKUP:
193 delta = &data->progress.t_nslookup;
194 break;
195 case TIMER_CONNECT:
196 delta = &data->progress.t_connect;
197 break;
198 case TIMER_APPCONNECT:
199 delta = &data->progress.t_appconnect;
200 break;
201 case TIMER_PRETRANSFER:
202 delta = &data->progress.t_pretransfer;
203 break;
204 case TIMER_STARTTRANSFER:
205 delta = &data->progress.t_starttransfer;
206 /* prevent updating t_starttransfer unless:
207 * 1) this is the first time we're setting t_starttransfer
208 * 2) a redirect has occurred since the last time t_starttransfer was set
209 * This prevents repeated invocations of the function from incorrectly
210 * changing the t_starttransfer time.
211 */
212 if(data->progress.is_t_startransfer_set) {
213 return;
214 }
215 else {
216 data->progress.is_t_startransfer_set = true;
217 break;
218 }
219 case TIMER_POSTRANSFER:
220 /* this is the normal end-of-transfer thing */
221 break;
222 case TIMER_REDIRECT:
223 data->progress.t_redirect = Curl_timediff_us(timestamp,
224 data->progress.start);
225 break;
226 }
227 if(delta) {
228 timediff_t us = Curl_timediff_us(timestamp, data->progress.t_startsingle);
229 if(us < 1)
230 us = 1; /* make sure at least one microsecond passed */
231 *delta += us;
232 }
233 }
234
235 /*
236 *
237 * Curl_pgrsTime(). Store the current time at the given label. This fetches a
238 * fresh "now" and returns it.
239 *
240 * @unittest: 1399
241 */
Curl_pgrsTime(struct Curl_easy * data,timerid timer)242 struct curltime Curl_pgrsTime(struct Curl_easy *data, timerid timer)
243 {
244 struct curltime now = Curl_now();
245
246 Curl_pgrsTimeWas(data, timer, now);
247 return now;
248 }
249
Curl_pgrsStartNow(struct Curl_easy * data)250 void Curl_pgrsStartNow(struct Curl_easy *data)
251 {
252 data->progress.speeder_c = 0; /* reset the progress meter display */
253 data->progress.start = Curl_now();
254 data->progress.is_t_startransfer_set = false;
255 data->progress.ul_limit_start = data->progress.start;
256 data->progress.dl_limit_start = data->progress.start;
257 data->progress.ul_limit_size = 0;
258 data->progress.dl_limit_size = 0;
259 data->progress.downloaded = 0;
260 data->progress.uploaded = 0;
261 /* clear all bits except HIDE and HEADERS_OUT */
262 data->progress.flags &= PGRS_HIDE|PGRS_HEADERS_OUT;
263 Curl_ratelimit(data, data->progress.start);
264 }
265
266 /*
267 * This is used to handle speed limits, calculating how many milliseconds to
268 * wait until we're back under the speed limit, if needed.
269 *
270 * The way it works is by having a "starting point" (time & amount of data
271 * transferred by then) used in the speed computation, to be used instead of
272 * the start of the transfer. This starting point is regularly moved as
273 * transfer goes on, to keep getting accurate values (instead of average over
274 * the entire transfer).
275 *
276 * This function takes the current amount of data transferred, the amount at
277 * the starting point, the limit (in bytes/s), the time of the starting point
278 * and the current time.
279 *
280 * Returns 0 if no waiting is needed or when no waiting is needed but the
281 * starting point should be reset (to current); or the number of milliseconds
282 * to wait to get back under the speed limit.
283 */
Curl_pgrsLimitWaitTime(curl_off_t cursize,curl_off_t startsize,curl_off_t limit,struct curltime start,struct curltime now)284 timediff_t Curl_pgrsLimitWaitTime(curl_off_t cursize,
285 curl_off_t startsize,
286 curl_off_t limit,
287 struct curltime start,
288 struct curltime now)
289 {
290 curl_off_t size = cursize - startsize;
291 timediff_t minimum;
292 timediff_t actual;
293
294 if(!limit || !size)
295 return 0;
296
297 /*
298 * 'minimum' is the number of milliseconds 'size' should take to download to
299 * stay below 'limit'.
300 */
301 if(size < CURL_OFF_T_MAX/1000)
302 minimum = (timediff_t) (CURL_OFF_T_C(1000) * size / limit);
303 else {
304 minimum = (timediff_t) (size / limit);
305 if(minimum < TIMEDIFF_T_MAX/1000)
306 minimum *= 1000;
307 else
308 minimum = TIMEDIFF_T_MAX;
309 }
310
311 /*
312 * 'actual' is the time in milliseconds it took to actually download the
313 * last 'size' bytes.
314 */
315 actual = Curl_timediff_ceil(now, start);
316 if(actual < minimum) {
317 /* if it downloaded the data faster than the limit, make it wait the
318 difference */
319 return (minimum - actual);
320 }
321
322 return 0;
323 }
324
325 /*
326 * Set the number of downloaded bytes so far.
327 */
Curl_pgrsSetDownloadCounter(struct Curl_easy * data,curl_off_t size)328 CURLcode Curl_pgrsSetDownloadCounter(struct Curl_easy *data, curl_off_t size)
329 {
330 data->progress.downloaded = size;
331 return CURLE_OK;
332 }
333
334 /*
335 * Update the timestamp and sizestamp to use for rate limit calculations.
336 */
Curl_ratelimit(struct Curl_easy * data,struct curltime now)337 void Curl_ratelimit(struct Curl_easy *data, struct curltime now)
338 {
339 /* don't set a new stamp unless the time since last update is long enough */
340 if(data->set.max_recv_speed) {
341 if(Curl_timediff(now, data->progress.dl_limit_start) >=
342 MIN_RATE_LIMIT_PERIOD) {
343 data->progress.dl_limit_start = now;
344 data->progress.dl_limit_size = data->progress.downloaded;
345 }
346 }
347 if(data->set.max_send_speed) {
348 if(Curl_timediff(now, data->progress.ul_limit_start) >=
349 MIN_RATE_LIMIT_PERIOD) {
350 data->progress.ul_limit_start = now;
351 data->progress.ul_limit_size = data->progress.uploaded;
352 }
353 }
354 }
355
356 /*
357 * Set the number of uploaded bytes so far.
358 */
Curl_pgrsSetUploadCounter(struct Curl_easy * data,curl_off_t size)359 void Curl_pgrsSetUploadCounter(struct Curl_easy *data, curl_off_t size)
360 {
361 data->progress.uploaded = size;
362 }
363
Curl_pgrsSetDownloadSize(struct Curl_easy * data,curl_off_t size)364 void Curl_pgrsSetDownloadSize(struct Curl_easy *data, curl_off_t size)
365 {
366 if(size >= 0) {
367 data->progress.size_dl = size;
368 data->progress.flags |= PGRS_DL_SIZE_KNOWN;
369 }
370 else {
371 data->progress.size_dl = 0;
372 data->progress.flags &= ~PGRS_DL_SIZE_KNOWN;
373 }
374 }
375
Curl_pgrsSetUploadSize(struct Curl_easy * data,curl_off_t size)376 void Curl_pgrsSetUploadSize(struct Curl_easy *data, curl_off_t size)
377 {
378 if(size >= 0) {
379 data->progress.size_ul = size;
380 data->progress.flags |= PGRS_UL_SIZE_KNOWN;
381 }
382 else {
383 data->progress.size_ul = 0;
384 data->progress.flags &= ~PGRS_UL_SIZE_KNOWN;
385 }
386 }
387
388 /* returns the average speed in bytes / second */
trspeed(curl_off_t size,curl_off_t us)389 static curl_off_t trspeed(curl_off_t size, /* number of bytes */
390 curl_off_t us) /* microseconds */
391 {
392 if(us < 1)
393 return size * 1000000;
394 else if(size < CURL_OFF_T_MAX/1000000)
395 return (size * 1000000) / us;
396 else if(us >= 1000000)
397 return size / (us / 1000000);
398 else
399 return CURL_OFF_T_MAX;
400 }
401
402 /* returns TRUE if it's time to show the progress meter */
progress_calc(struct Curl_easy * data,struct curltime now)403 static bool progress_calc(struct Curl_easy *data, struct curltime now)
404 {
405 bool timetoshow = FALSE;
406 struct Progress * const p = &data->progress;
407
408 /* The time spent so far (from the start) in microseconds */
409 p->timespent = Curl_timediff_us(now, p->start);
410 p->dlspeed = trspeed(p->downloaded, p->timespent);
411 p->ulspeed = trspeed(p->uploaded, p->timespent);
412
413 /* Calculations done at most once a second, unless end is reached */
414 if(p->lastshow != now.tv_sec) {
415 int countindex; /* amount of seconds stored in the speeder array */
416 int nowindex = p->speeder_c% CURR_TIME;
417 p->lastshow = now.tv_sec;
418 timetoshow = TRUE;
419
420 /* Let's do the "current speed" thing, with the dl + ul speeds
421 combined. Store the speed at entry 'nowindex'. */
422 p->speeder[ nowindex ] = p->downloaded + p->uploaded;
423
424 /* remember the exact time for this moment */
425 p->speeder_time [ nowindex ] = now;
426
427 /* advance our speeder_c counter, which is increased every time we get
428 here and we expect it to never wrap as 2^32 is a lot of seconds! */
429 p->speeder_c++;
430
431 /* figure out how many index entries of data we have stored in our speeder
432 array. With N_ENTRIES filled in, we have about N_ENTRIES-1 seconds of
433 transfer. Imagine, after one second we have filled in two entries,
434 after two seconds we've filled in three entries etc. */
435 countindex = ((p->speeder_c >= CURR_TIME)? CURR_TIME:p->speeder_c) - 1;
436
437 /* first of all, we don't do this if there's no counted seconds yet */
438 if(countindex) {
439 int checkindex;
440 timediff_t span_ms;
441 curl_off_t amount;
442
443 /* Get the index position to compare with the 'nowindex' position.
444 Get the oldest entry possible. While we have less than CURR_TIME
445 entries, the first entry will remain the oldest. */
446 checkindex = (p->speeder_c >= CURR_TIME)? p->speeder_c%CURR_TIME:0;
447
448 /* Figure out the exact time for the time span */
449 span_ms = Curl_timediff(now, p->speeder_time[checkindex]);
450 if(0 == span_ms)
451 span_ms = 1; /* at least one millisecond MUST have passed */
452
453 /* Calculate the average speed the last 'span_ms' milliseconds */
454 amount = p->speeder[nowindex]- p->speeder[checkindex];
455
456 if(amount > CURL_OFF_T_C(4294967) /* 0xffffffff/1000 */)
457 /* the 'amount' value is bigger than would fit in 32 bits if
458 multiplied with 1000, so we use the double math for this */
459 p->current_speed = (curl_off_t)
460 ((double)amount/((double)span_ms/1000.0));
461 else
462 /* the 'amount' value is small enough to fit within 32 bits even
463 when multiplied with 1000 */
464 p->current_speed = amount*CURL_OFF_T_C(1000)/span_ms;
465 }
466 else
467 /* the first second we use the average */
468 p->current_speed = p->ulspeed + p->dlspeed;
469
470 } /* Calculations end */
471 return timetoshow;
472 }
473
474 #ifndef CURL_DISABLE_PROGRESS_METER
progress_meter(struct Curl_easy * data)475 static void progress_meter(struct Curl_easy *data)
476 {
477 char max5[6][10];
478 curl_off_t dlpercen = 0;
479 curl_off_t ulpercen = 0;
480 curl_off_t total_percen = 0;
481 curl_off_t total_transfer;
482 curl_off_t total_expected_transfer;
483 char time_left[10];
484 char time_total[10];
485 char time_spent[10];
486 curl_off_t ulestimate = 0;
487 curl_off_t dlestimate = 0;
488 curl_off_t total_estimate;
489 curl_off_t timespent =
490 (curl_off_t)data->progress.timespent/1000000; /* seconds */
491
492 if(!(data->progress.flags & PGRS_HEADERS_OUT)) {
493 if(data->state.resume_from) {
494 fprintf(data->set.err,
495 "** Resuming transfer from byte position %"
496 CURL_FORMAT_CURL_OFF_T "\n", data->state.resume_from);
497 }
498 fprintf(data->set.err,
499 " %% Total %% Received %% Xferd Average Speed "
500 "Time Time Time Current\n"
501 " Dload Upload "
502 "Total Spent Left Speed\n");
503 data->progress.flags |= PGRS_HEADERS_OUT; /* headers are shown */
504 }
505
506 /* Figure out the estimated time of arrival for the upload */
507 if((data->progress.flags & PGRS_UL_SIZE_KNOWN) &&
508 (data->progress.ulspeed > CURL_OFF_T_C(0))) {
509 ulestimate = data->progress.size_ul / data->progress.ulspeed;
510
511 if(data->progress.size_ul > CURL_OFF_T_C(10000))
512 ulpercen = data->progress.uploaded /
513 (data->progress.size_ul/CURL_OFF_T_C(100));
514 else if(data->progress.size_ul > CURL_OFF_T_C(0))
515 ulpercen = (data->progress.uploaded*100) /
516 data->progress.size_ul;
517 }
518
519 /* ... and the download */
520 if((data->progress.flags & PGRS_DL_SIZE_KNOWN) &&
521 (data->progress.dlspeed > CURL_OFF_T_C(0))) {
522 dlestimate = data->progress.size_dl / data->progress.dlspeed;
523
524 if(data->progress.size_dl > CURL_OFF_T_C(10000))
525 dlpercen = data->progress.downloaded /
526 (data->progress.size_dl/CURL_OFF_T_C(100));
527 else if(data->progress.size_dl > CURL_OFF_T_C(0))
528 dlpercen = (data->progress.downloaded*100) /
529 data->progress.size_dl;
530 }
531
532 /* Now figure out which of them is slower and use that one for the
533 total estimate! */
534 total_estimate = ulestimate>dlestimate?ulestimate:dlestimate;
535
536 /* create the three time strings */
537 time2str(time_left, total_estimate > 0?(total_estimate - timespent):0);
538 time2str(time_total, total_estimate);
539 time2str(time_spent, timespent);
540
541 /* Get the total amount of data expected to get transferred */
542 total_expected_transfer =
543 ((data->progress.flags & PGRS_UL_SIZE_KNOWN)?
544 data->progress.size_ul:data->progress.uploaded)+
545 ((data->progress.flags & PGRS_DL_SIZE_KNOWN)?
546 data->progress.size_dl:data->progress.downloaded);
547
548 /* We have transferred this much so far */
549 total_transfer = data->progress.downloaded + data->progress.uploaded;
550
551 /* Get the percentage of data transferred so far */
552 if(total_expected_transfer > CURL_OFF_T_C(10000))
553 total_percen = total_transfer /
554 (total_expected_transfer/CURL_OFF_T_C(100));
555 else if(total_expected_transfer > CURL_OFF_T_C(0))
556 total_percen = (total_transfer*100) / total_expected_transfer;
557
558 fprintf(data->set.err,
559 "\r"
560 "%3" CURL_FORMAT_CURL_OFF_T " %s "
561 "%3" CURL_FORMAT_CURL_OFF_T " %s "
562 "%3" CURL_FORMAT_CURL_OFF_T " %s %s %s %s %s %s %s",
563 total_percen, /* 3 letters */ /* total % */
564 max5data(total_expected_transfer, max5[2]), /* total size */
565 dlpercen, /* 3 letters */ /* rcvd % */
566 max5data(data->progress.downloaded, max5[0]), /* rcvd size */
567 ulpercen, /* 3 letters */ /* xfer % */
568 max5data(data->progress.uploaded, max5[1]), /* xfer size */
569 max5data(data->progress.dlspeed, max5[3]), /* avrg dl speed */
570 max5data(data->progress.ulspeed, max5[4]), /* avrg ul speed */
571 time_total, /* 8 letters */ /* total time */
572 time_spent, /* 8 letters */ /* time spent */
573 time_left, /* 8 letters */ /* time left */
574 max5data(data->progress.current_speed, max5[5])
575 );
576
577 /* we flush the output stream to make it appear as soon as possible */
578 fflush(data->set.err);
579 }
580 #else
581 /* progress bar disabled */
582 #define progress_meter(x) Curl_nop_stmt
583 #endif
584
585
586 /*
587 * Curl_pgrsUpdate() returns 0 for success or the value returned by the
588 * progress callback!
589 */
Curl_pgrsUpdate(struct Curl_easy * data)590 int Curl_pgrsUpdate(struct Curl_easy *data)
591 {
592 struct curltime now = Curl_now(); /* what time is it */
593 bool showprogress = progress_calc(data, now);
594 if(!(data->progress.flags & PGRS_HIDE)) {
595 if(data->set.fxferinfo) {
596 int result;
597 /* There's a callback set, call that */
598 Curl_set_in_callback(data, true);
599 result = data->set.fxferinfo(data->set.progress_client,
600 data->progress.size_dl,
601 data->progress.downloaded,
602 data->progress.size_ul,
603 data->progress.uploaded);
604 Curl_set_in_callback(data, false);
605 if(result != CURL_PROGRESSFUNC_CONTINUE) {
606 if(result)
607 failf(data, "Callback aborted");
608 return result;
609 }
610 }
611 else if(data->set.fprogress) {
612 int result;
613 /* The older deprecated callback is set, call that */
614 Curl_set_in_callback(data, true);
615 result = data->set.fprogress(data->set.progress_client,
616 (double)data->progress.size_dl,
617 (double)data->progress.downloaded,
618 (double)data->progress.size_ul,
619 (double)data->progress.uploaded);
620 Curl_set_in_callback(data, false);
621 if(result != CURL_PROGRESSFUNC_CONTINUE) {
622 if(result)
623 failf(data, "Callback aborted");
624 return result;
625 }
626 }
627
628 if(showprogress)
629 progress_meter(data);
630 }
631
632 return 0;
633 }
634
