summaryrefslogtreecommitdiff
path: root/lib/curl_progress.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/curl_progress.c')
-rw-r--r--lib/curl_progress.c474
1 files changed, 474 insertions, 0 deletions
diff --git a/lib/curl_progress.c b/lib/curl_progress.c
new file mode 100644
index 000000000..88f802d0a
--- /dev/null
+++ b/lib/curl_progress.c
@@ -0,0 +1,474 @@
+/***************************************************************************
+ * _ _ ____ _
+ * 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;
+}
View Lorry Controller Status