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progress.c 21 KB

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