diff options
Diffstat (limited to 'libs/libcurl/src/progress.c')
| -rw-r--r-- | libs/libcurl/src/progress.c | 86 |
1 files changed, 38 insertions, 48 deletions
diff --git a/libs/libcurl/src/progress.c b/libs/libcurl/src/progress.c index cc040a8733..4bcd615eba 100644 --- a/libs/libcurl/src/progress.c +++ b/libs/libcurl/src/progress.c @@ -241,6 +241,8 @@ void Curl_pgrsStartNow(struct Curl_easy *data) data->progress.is_t_startransfer_set = false; data->progress.ul_limit_start = data->progress.start; data->progress.dl_limit_start = data->progress.start; + data->progress.ul_limit_size = 0; + data->progress.dl_limit_size = 0; data->progress.downloaded = 0; data->progress.uploaded = 0; /* clear all bits except HIDE and HEADERS_OUT */ @@ -369,94 +371,82 @@ void Curl_pgrsSetUploadSize(struct Curl_easy *data, curl_off_t size) } } +/* returns the average speed in bytes / second */ +static curl_off_t trspeed(curl_off_t size, /* number of bytes */ + curl_off_t us) /* microseconds */ +{ + if(us < 1) + return size * 1000000; + return (curl_off_t)((long double)size/us * 1000000); +} + /* returns TRUE if it's time to show the progress meter */ static bool progress_calc(struct Curl_easy *data, struct curltime now) { - curl_off_t timespent; - curl_off_t timespent_ms; /* milliseconds */ - curl_off_t dl = data->progress.downloaded; - curl_off_t ul = data->progress.uploaded; bool timetoshow = FALSE; + struct Progress * const p = &data->progress; - /* The time spent so far (from the start) */ - data->progress.timespent = Curl_timediff_us(now, data->progress.start); - timespent = (curl_off_t)data->progress.timespent/1000000; /* seconds */ - timespent_ms = (curl_off_t)data->progress.timespent/1000; /* ms */ - - /* The average download speed this far */ - if(dl < CURL_OFF_T_MAX/1000) - data->progress.dlspeed = (dl * 1000 / (timespent_ms>0?timespent_ms:1)); - else - data->progress.dlspeed = (dl / (timespent>0?timespent:1)); - - /* The average upload speed this far */ - if(ul < CURL_OFF_T_MAX/1000) - data->progress.ulspeed = (ul * 1000 / (timespent_ms>0?timespent_ms:1)); - else - data->progress.ulspeed = (ul / (timespent>0?timespent:1)); + /* The time spent so far (from the start) in microseconds */ + p->timespent = Curl_timediff_us(now, p->start); + p->dlspeed = trspeed(p->downloaded, p->timespent); + p->ulspeed = trspeed(p->uploaded, p->timespent); /* Calculations done at most once a second, unless end is reached */ - if(data->progress.lastshow != now.tv_sec) { + if(p->lastshow != now.tv_sec) { int countindex; /* amount of seconds stored in the speeder array */ - int nowindex = data->progress.speeder_c% CURR_TIME; - data->progress.lastshow = now.tv_sec; + int nowindex = p->speeder_c% CURR_TIME; + p->lastshow = now.tv_sec; timetoshow = TRUE; /* Let's do the "current speed" thing, with the dl + ul speeds combined. Store the speed at entry 'nowindex'. */ - data->progress.speeder[ nowindex ] = - data->progress.downloaded + data->progress.uploaded; + p->speeder[ nowindex ] = p->downloaded + p->uploaded; /* remember the exact time for this moment */ - data->progress.speeder_time [ nowindex ] = now; + p->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++; + p->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; + countindex = ((p->speeder_c >= CURR_TIME)? CURR_TIME:p->speeder_c) - 1; /* first of all, we don't do this if there's no counted seconds yet */ if(countindex) { int checkindex; timediff_t span_ms; + curl_off_t amount; /* 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; + checkindex = (p->speeder_c >= CURR_TIME)? p->speeder_c%CURR_TIME:0; /* Figure out the exact time for the time span */ - span_ms = Curl_timediff(now, data->progress.speeder_time[checkindex]); + span_ms = Curl_timediff(now, p->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; - } + amount = p->speeder[nowindex]- p->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 */ + p->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 */ + p->current_speed = amount*CURL_OFF_T_C(1000)/span_ms; } else /* the first second we use the average */ - data->progress.current_speed = - data->progress.ulspeed + data->progress.dlspeed; + p->current_speed = p->ulspeed + p->dlspeed; } /* Calculations end */ return timetoshow; |