xref: /third_party/curl/lib/progress.c (revision 13498266)
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) */
40static 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... */
70static 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
133int 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 */
152void 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 */
162void 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 */
242struct 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
250void 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 */
284timediff_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 */
328CURLcode 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 */
337void 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 */
359void Curl_pgrsSetUploadCounter(struct Curl_easy *data, curl_off_t size)
360{
361  data->progress.uploaded = size;
362}
363
364void 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
376void 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 */
389static 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 */
403static 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
475static 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 */
590int 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