- now = Curl_tvnow(); /* what time is it */
-
- /* The exact time spent so far (from the start) */
- timespent = (double)Curl_tvdiff (now, data->progress.start)/1000;
-
- data->progress.timespent = timespent;
-
- /* The average download speed this far */
- data->progress.dlspeed =
- data->progress.downloaded/(timespent>0.01?timespent:1);
-
- /* The average upload speed this far */
- data->progress.ulspeed =
- data->progress.uploaded/(timespent>0.01?timespent:1);
-
- if(data->progress.lastshow == Curl_tvlong(now))
- return 0; /* never update this more than once a second if the end isn't
- reached */
- 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 fasted 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 'countindex' seconds */
- data->progress.current_speed =
- (data->progress.speeder[nowindex]-
- data->progress.speeder[checkindex])/((double)span_ms/1000);
- }
- 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;
-
- if(data->progress.flags & PGRS_HIDE)
- return 0;
-
- else 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;
- }
-