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-/***************************************************************************
- * _ _ ____ _
- * Project ___| | | | _ \| |
- * / __| | | | |_) | |
- * | (__| |_| | _ <| |___
- * \___|\___/|_| \_\_____|
- *
- * Copyright (C) 1998 - 2012, Daniel Stenberg, <daniel@haxx.se>, et al.
- *
- * This software is licensed as described in the file COPYING, which
- * you should have received as part of this distribution. The terms
- * are also available at http://curl.haxx.se/docs/copyright.html.
- *
- * You may opt to use, copy, modify, merge, publish, distribute and/or sell
- * copies of the Software, and permit persons to whom the Software is
- * furnished to do so, under the terms of the COPYING file.
- *
- * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
- * KIND, either express or implied.
- *
- ***************************************************************************/
-
-#include "curl_setup.h"
-
-#include "curl_urldata.h"
-#include "curl_sendf.h"
-#include "curl_progress.h"
-
-#define _MPRINTF_REPLACE /* use our functions only */
-#include <curl/mprintf.h>
-
-/* Provide a string that is 2 + 1 + 2 + 1 + 2 = 8 letters long (plus the zero
- byte) */
-static void time2str(char *r, curl_off_t seconds)
-{
- curl_off_t d, h, m, s;
- if(seconds <= 0) {
- strcpy(r, "--:--:--");
- return;
- }
- h = seconds / CURL_OFF_T_C(3600);
- if(h <= CURL_OFF_T_C(99)) {
- m = (seconds - (h*CURL_OFF_T_C(3600))) / CURL_OFF_T_C(60);
- s = (seconds - (h*CURL_OFF_T_C(3600))) - (m*CURL_OFF_T_C(60));
- snprintf(r, 9, "%2" FORMAT_OFF_T ":%02" FORMAT_OFF_T ":%02" FORMAT_OFF_T,
- h, m, s);
- }
- else {
- /* this equals to more than 99 hours, switch to a more suitable output
- format to fit within the limits. */
- d = seconds / CURL_OFF_T_C(86400);
- h = (seconds - (d*CURL_OFF_T_C(86400))) / CURL_OFF_T_C(3600);
- if(d <= CURL_OFF_T_C(999))
- snprintf(r, 9, "%3" FORMAT_OFF_T "d %02" FORMAT_OFF_T "h", d, h);
- else
- snprintf(r, 9, "%7" FORMAT_OFF_T "d", d);
- }
-}
-
-/* The point of this function would be to return a string of the input data,
- but never longer than 5 columns (+ one zero byte).
- Add suffix k, M, G when suitable... */
-static char *max5data(curl_off_t bytes, char *max5)
-{
-#define ONE_KILOBYTE CURL_OFF_T_C(1024)
-#define ONE_MEGABYTE (CURL_OFF_T_C(1024) * ONE_KILOBYTE)
-#define ONE_GIGABYTE (CURL_OFF_T_C(1024) * ONE_MEGABYTE)
-#define ONE_TERABYTE (CURL_OFF_T_C(1024) * ONE_GIGABYTE)
-#define ONE_PETABYTE (CURL_OFF_T_C(1024) * ONE_TERABYTE)
-
- if(bytes < CURL_OFF_T_C(100000))
- snprintf(max5, 6, "%5" FORMAT_OFF_T, bytes);
-
- else if(bytes < CURL_OFF_T_C(10000) * ONE_KILOBYTE)
- snprintf(max5, 6, "%4" FORMAT_OFF_T "k", bytes/ONE_KILOBYTE);
-
- else if(bytes < CURL_OFF_T_C(100) * ONE_MEGABYTE)
- /* 'XX.XM' is good as long as we're less than 100 megs */
- snprintf(max5, 6, "%2" FORMAT_OFF_T ".%0" FORMAT_OFF_T "M",
- bytes/ONE_MEGABYTE,
- (bytes%ONE_MEGABYTE) / (ONE_MEGABYTE/CURL_OFF_T_C(10)) );
-
-#if (CURL_SIZEOF_CURL_OFF_T > 4)
-
- else if(bytes < CURL_OFF_T_C(10000) * ONE_MEGABYTE)
- /* 'XXXXM' is good until we're at 10000MB or above */
- snprintf(max5, 6, "%4" FORMAT_OFF_T "M", bytes/ONE_MEGABYTE);
-
- else if(bytes < CURL_OFF_T_C(100) * ONE_GIGABYTE)
- /* 10000 MB - 100 GB, we show it as XX.XG */
- snprintf(max5, 6, "%2" FORMAT_OFF_T ".%0" FORMAT_OFF_T "G",
- bytes/ONE_GIGABYTE,
- (bytes%ONE_GIGABYTE) / (ONE_GIGABYTE/CURL_OFF_T_C(10)) );
-
- else if(bytes < CURL_OFF_T_C(10000) * ONE_GIGABYTE)
- /* up to 10000GB, display without decimal: XXXXG */
- snprintf(max5, 6, "%4" FORMAT_OFF_T "G", bytes/ONE_GIGABYTE);
-
- else if(bytes < CURL_OFF_T_C(10000) * ONE_TERABYTE)
- /* up to 10000TB, display without decimal: XXXXT */
- snprintf(max5, 6, "%4" FORMAT_OFF_T "T", bytes/ONE_TERABYTE);
-
- else
- /* up to 10000PB, display without decimal: XXXXP */
- snprintf(max5, 6, "%4" FORMAT_OFF_T "P", bytes/ONE_PETABYTE);
-
- /* 16384 petabytes (16 exabytes) is the maximum a 64 bit unsigned number
- can hold, but our data type is signed so 8192PB will be the maximum. */
-
-#else
-
- else
- snprintf(max5, 6, "%4" FORMAT_OFF_T "M", bytes/ONE_MEGABYTE);
-
-#endif
-
- return max5;
-}
-
-/*
-
- New proposed interface, 9th of February 2000:
-
- pgrsStartNow() - sets start time
- pgrsSetDownloadSize(x) - known expected download size
- pgrsSetUploadSize(x) - known expected upload size
- pgrsSetDownloadCounter() - amount of data currently downloaded
- pgrsSetUploadCounter() - amount of data currently uploaded
- pgrsUpdate() - show progress
- pgrsDone() - transfer complete
-
-*/
-
-int Curl_pgrsDone(struct connectdata *conn)
-{
- int rc;
- struct SessionHandle *data = conn->data;
- data->progress.lastshow=0;
- rc = Curl_pgrsUpdate(conn); /* the final (forced) update */
- if(rc)
- return rc;
-
- if(!(data->progress.flags & PGRS_HIDE) &&
- !data->progress.callback)
- /* only output if we don't use a progress callback and we're not
- * hidden */
- fprintf(data->set.err, "\n");
-
- data->progress.speeder_c = 0; /* reset the progress meter display */
- return 0;
-}
-
-/* reset all times except redirect, and reset the known transfer sizes */
-void Curl_pgrsResetTimesSizes(struct SessionHandle *data)
-{
- data->progress.t_nslookup = 0.0;
- data->progress.t_connect = 0.0;
- data->progress.t_pretransfer = 0.0;
- data->progress.t_starttransfer = 0.0;
-
- Curl_pgrsSetDownloadSize(data, 0);
- Curl_pgrsSetUploadSize(data, 0);
-}
-
-void Curl_pgrsTime(struct SessionHandle *data, timerid timer)
-{
- struct timeval now = Curl_tvnow();
-
- switch(timer) {
- default:
- case TIMER_NONE:
- /* mistake filter */
- break;
- case TIMER_STARTSINGLE:
- /* This is set at the start of a single fetch */
- data->progress.t_startsingle = now;
- break;
-
- case TIMER_STARTACCEPT:
- data->progress.t_acceptdata = Curl_tvnow();
- break;
-
- case TIMER_NAMELOOKUP:
- data->progress.t_nslookup =
- Curl_tvdiff_secs(now, data->progress.t_startsingle);
- break;
- case TIMER_CONNECT:
- data->progress.t_connect =
- Curl_tvdiff_secs(now, data->progress.t_startsingle);
- break;
- case TIMER_APPCONNECT:
- data->progress.t_appconnect =
- Curl_tvdiff_secs(now, data->progress.t_startsingle);
- break;
- case TIMER_PRETRANSFER:
- data->progress.t_pretransfer =
- Curl_tvdiff_secs(now, data->progress.t_startsingle);
- break;
- case TIMER_STARTTRANSFER:
- data->progress.t_starttransfer =
- Curl_tvdiff_secs(now, data->progress.t_startsingle);
- break;
- case TIMER_POSTRANSFER:
- /* this is the normal end-of-transfer thing */
- break;
- case TIMER_REDIRECT:
- data->progress.t_redirect = Curl_tvdiff_secs(now, data->progress.start);
- break;
- }
-}
-
-void Curl_pgrsStartNow(struct SessionHandle *data)
-{
- data->progress.speeder_c = 0; /* reset the progress meter display */
- data->progress.start = Curl_tvnow();
- /* clear all bits except HIDE and HEADERS_OUT */
- data->progress.flags &= PGRS_HIDE|PGRS_HEADERS_OUT;
-}
-
-void Curl_pgrsSetDownloadCounter(struct SessionHandle *data, curl_off_t size)
-{
- data->progress.downloaded = size;
-}
-
-void Curl_pgrsSetUploadCounter(struct SessionHandle *data, curl_off_t size)
-{
- data->progress.uploaded = size;
-}
-
-void Curl_pgrsSetDownloadSize(struct SessionHandle *data, curl_off_t size)
-{
- data->progress.size_dl = size;
- if(size >= 0)
- data->progress.flags |= PGRS_DL_SIZE_KNOWN;
- else
- data->progress.flags &= ~PGRS_DL_SIZE_KNOWN;
-}
-
-void Curl_pgrsSetUploadSize(struct SessionHandle *data, curl_off_t size)
-{
- data->progress.size_ul = size;
- if(size >= 0)
- data->progress.flags |= PGRS_UL_SIZE_KNOWN;
- else
- data->progress.flags &= ~PGRS_UL_SIZE_KNOWN;
-}
-
-/*
- * Curl_pgrsUpdate() returns 0 for success or the value returned by the
- * progress callback!
- */
-int Curl_pgrsUpdate(struct connectdata *conn)
-{
- struct timeval now;
- int result;
- char max5[6][10];
- curl_off_t dlpercen=0;
- curl_off_t ulpercen=0;
- curl_off_t total_percen=0;
- curl_off_t total_transfer;
- curl_off_t total_expected_transfer;
- curl_off_t timespent;
- struct SessionHandle *data = conn->data;
- int nowindex = data->progress.speeder_c% CURR_TIME;
- int checkindex;
- int countindex; /* amount of seconds stored in the speeder array */
- char time_left[10];
- char time_total[10];
- char time_spent[10];
- curl_off_t ulestimate=0;
- curl_off_t dlestimate=0;
- curl_off_t total_estimate;
- bool shownow=FALSE;
-
- now = Curl_tvnow(); /* what time is it */
-
- /* The time spent so far (from the start) */
- data->progress.timespent =
- (double)(now.tv_sec - data->progress.start.tv_sec) +
- (double)(now.tv_usec - data->progress.start.tv_usec)/1000000.0;
- timespent = (curl_off_t)data->progress.timespent;
-
- /* The average download speed this far */
- data->progress.dlspeed = (curl_off_t)
- ((double)data->progress.downloaded/
- (data->progress.timespent>0?data->progress.timespent:1));
-
- /* The average upload speed this far */
- data->progress.ulspeed = (curl_off_t)
- ((double)data->progress.uploaded/
- (data->progress.timespent>0?data->progress.timespent:1));
-
- /* Calculations done at most once a second, unless end is reached */
- if(data->progress.lastshow != (long)now.tv_sec) {
- shownow = TRUE;
-
- data->progress.lastshow = now.tv_sec;
-
- /* Let's do the "current speed" thing, which should use the fastest
- of the dl/ul speeds. Store the faster speed at entry 'nowindex'. */
- data->progress.speeder[ nowindex ] =
- data->progress.downloaded>data->progress.uploaded?
- data->progress.downloaded:data->progress.uploaded;
-
- /* remember the exact time for this moment */
- data->progress.speeder_time [ nowindex ] = now;
-
- /* advance our speeder_c counter, which is increased every time we get
- here and we expect it to never wrap as 2^32 is a lot of seconds! */
- data->progress.speeder_c++;
-
- /* figure out how many index entries of data we have stored in our speeder
- array. With N_ENTRIES filled in, we have about N_ENTRIES-1 seconds of
- transfer. Imagine, after one second we have filled in two entries,
- after two seconds we've filled in three entries etc. */
- countindex = ((data->progress.speeder_c>=CURR_TIME)?
- CURR_TIME:data->progress.speeder_c) - 1;
-
- /* first of all, we don't do this if there's no counted seconds yet */
- if(countindex) {
- long span_ms;
-
- /* Get the index position to compare with the 'nowindex' position.
- Get the oldest entry possible. While we have less than CURR_TIME
- entries, the first entry will remain the oldest. */
- checkindex = (data->progress.speeder_c>=CURR_TIME)?
- data->progress.speeder_c%CURR_TIME:0;
-
- /* Figure out the exact time for the time span */
- span_ms = Curl_tvdiff(now,
- data->progress.speeder_time[checkindex]);
- if(0 == span_ms)
- span_ms=1; /* at least one millisecond MUST have passed */
-
- /* Calculate the average speed the last 'span_ms' milliseconds */
- {
- curl_off_t amount = data->progress.speeder[nowindex]-
- data->progress.speeder[checkindex];
-
- if(amount > CURL_OFF_T_C(4294967) /* 0xffffffff/1000 */)
- /* the 'amount' value is bigger than would fit in 32 bits if
- multiplied with 1000, so we use the double math for this */
- data->progress.current_speed = (curl_off_t)
- ((double)amount/((double)span_ms/1000.0));
- else
- /* the 'amount' value is small enough to fit within 32 bits even
- when multiplied with 1000 */
- data->progress.current_speed = amount*CURL_OFF_T_C(1000)/span_ms;
- }
- }
- else
- /* the first second we use the main average */
- data->progress.current_speed =
- (data->progress.ulspeed>data->progress.dlspeed)?
- data->progress.ulspeed:data->progress.dlspeed;
-
- } /* Calculations end */
-
- if(!(data->progress.flags & PGRS_HIDE)) {
-
- /* progress meter has not been shut off */
-
- if(data->set.fprogress) {
- /* There's a callback set, so we call that instead of writing
- anything ourselves. This really is the way to go. */
- result= data->set.fprogress(data->set.progress_client,
- (double)data->progress.size_dl,
- (double)data->progress.downloaded,
- (double)data->progress.size_ul,
- (double)data->progress.uploaded);
- if(result)
- failf(data, "Callback aborted");
- return result;
- }
-
- if(!shownow)
- /* only show the internal progress meter once per second */
- return 0;
-
- /* If there's no external callback set, use internal code to show
- progress */
-
- if(!(data->progress.flags & PGRS_HEADERS_OUT)) {
- if(data->state.resume_from) {
- fprintf(data->set.err,
- "** Resuming transfer from byte position %" FORMAT_OFF_T "\n",
- data->state.resume_from);
- }
- fprintf(data->set.err,
- " %% Total %% Received %% Xferd Average Speed "
- "Time Time Time Current\n"
- " Dload Upload "
- "Total Spent Left Speed\n");
- data->progress.flags |= PGRS_HEADERS_OUT; /* headers are shown */
- }
-
- /* Figure out the estimated time of arrival for the upload */
- if((data->progress.flags & PGRS_UL_SIZE_KNOWN) &&
- (data->progress.ulspeed > CURL_OFF_T_C(0))) {
- ulestimate = data->progress.size_ul / data->progress.ulspeed;
-
- if(data->progress.size_ul > CURL_OFF_T_C(10000))
- ulpercen = data->progress.uploaded /
- (data->progress.size_ul/CURL_OFF_T_C(100));
- else if(data->progress.size_ul > CURL_OFF_T_C(0))
- ulpercen = (data->progress.uploaded*100) /
- data->progress.size_ul;
- }
-
- /* ... and the download */
- if((data->progress.flags & PGRS_DL_SIZE_KNOWN) &&
- (data->progress.dlspeed > CURL_OFF_T_C(0))) {
- dlestimate = data->progress.size_dl / data->progress.dlspeed;
-
- if(data->progress.size_dl > CURL_OFF_T_C(10000))
- dlpercen = data->progress.downloaded /
- (data->progress.size_dl/CURL_OFF_T_C(100));
- else if(data->progress.size_dl > CURL_OFF_T_C(0))
- dlpercen = (data->progress.downloaded*100) /
- data->progress.size_dl;
- }
-
- /* Now figure out which of them is slower and use that one for the
- total estimate! */
- total_estimate = ulestimate>dlestimate?ulestimate:dlestimate;
-
- /* create the three time strings */
- time2str(time_left, total_estimate > 0?(total_estimate - timespent):0);
- time2str(time_total, total_estimate);
- time2str(time_spent, timespent);
-
- /* Get the total amount of data expected to get transferred */
- total_expected_transfer =
- (data->progress.flags & PGRS_UL_SIZE_KNOWN?
- data->progress.size_ul:data->progress.uploaded)+
- (data->progress.flags & PGRS_DL_SIZE_KNOWN?
- data->progress.size_dl:data->progress.downloaded);
-
- /* We have transferred this much so far */
- total_transfer = data->progress.downloaded + data->progress.uploaded;
-
- /* Get the percentage of data transferred so far */
- if(total_expected_transfer > CURL_OFF_T_C(10000))
- total_percen = total_transfer /
- (total_expected_transfer/CURL_OFF_T_C(100));
- else if(total_expected_transfer > CURL_OFF_T_C(0))
- total_percen = (total_transfer*100) / total_expected_transfer;
-
- fprintf(data->set.err,
- "\r"
- "%3" FORMAT_OFF_T " %s "
- "%3" FORMAT_OFF_T " %s "
- "%3" FORMAT_OFF_T " %s %s %s %s %s %s %s",
- total_percen, /* 3 letters */ /* total % */
- max5data(total_expected_transfer, max5[2]), /* total size */
- dlpercen, /* 3 letters */ /* rcvd % */
- max5data(data->progress.downloaded, max5[0]), /* rcvd size */
- ulpercen, /* 3 letters */ /* xfer % */
- max5data(data->progress.uploaded, max5[1]), /* xfer size */
- max5data(data->progress.dlspeed, max5[3]), /* avrg dl speed */
- max5data(data->progress.ulspeed, max5[4]), /* avrg ul speed */
- time_total, /* 8 letters */ /* total time */
- time_spent, /* 8 letters */ /* time spent */
- time_left, /* 8 letters */ /* time left */
- max5data(data->progress.current_speed, max5[5]) /* current speed */
- );
-
- /* we flush the output stream to make it appear as soon as possible */
- fflush(data->set.err);
-
- } /* !(data->progress.flags & PGRS_HIDE) */
-
- return 0;
-}
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