mirror of
https://github.com/aria2/aria2.git
synced 2026-04-04 19:58:46 +00:00
125 lines
3.8 KiB
C++
125 lines
3.8 KiB
C++
/* <!-- copyright */
|
|
/*
|
|
* aria2 - a simple utility for downloading files faster
|
|
*
|
|
* Copyright (C) 2006 Tatsuhiro Tsujikawa
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
/* copyright --> */
|
|
#include "TorrentDownloadEngine.h"
|
|
#include "Util.h"
|
|
|
|
void TorrentDownloadEngine::onEndOfRun() {
|
|
torrentMan->diskAdaptor->closeFile();
|
|
if(filenameFixed && torrentMan->downloadComplete()) {
|
|
torrentMan->remove();
|
|
} else {
|
|
torrentMan->save();
|
|
}
|
|
}
|
|
|
|
void TorrentDownloadEngine::afterEachIteration() {
|
|
if(!filenameFixed && torrentMan->downloadComplete()) {
|
|
if(torrentMan->isSelectiveDownloadingMode()) {
|
|
onSelectiveDownloadingCompletes();
|
|
}
|
|
logger->info("The download was complete.");
|
|
torrentMan->onDownloadComplete();
|
|
if(torrentMan->downloadComplete()) {
|
|
filenameFixed = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
void TorrentDownloadEngine::initStatistics() {
|
|
downloadSpeed = 0;
|
|
uploadSpeed = 0;
|
|
lastElapsed = 0;
|
|
gettimeofday(&cp[0], NULL);
|
|
gettimeofday(&cp[1], NULL);
|
|
gettimeofday(&startup, NULL);
|
|
sessionDownloadLengthArray[0] = 0;
|
|
sessionDownloadLengthArray[1] = 0;
|
|
sessionUploadLengthArray[0] = 0;
|
|
sessionUploadLengthArray[1] = 0;
|
|
currentCp = 0;
|
|
eta = 0;
|
|
avgSpeed = 0;
|
|
sessionDownloadLength = 0;
|
|
downloadLength = 0;
|
|
totalLength = 0;
|
|
if(torrentMan->isSelectiveDownloadingMode()) {
|
|
selectedDownloadLengthDiff = torrentMan->getDownloadLength()-torrentMan->getCompletedLength();
|
|
selectedTotalLength = torrentMan->getSelectedTotalLength();
|
|
}
|
|
}
|
|
|
|
int TorrentDownloadEngine::calculateSpeed(long long int sessionLength, int elapsed) {
|
|
int nowSpeed = (int)(sessionLength/elapsed);
|
|
return nowSpeed;
|
|
}
|
|
|
|
void TorrentDownloadEngine::calculateStatistics() {
|
|
struct timeval now;
|
|
gettimeofday(&now, NULL);
|
|
int elapsed = Util::difftvsec(now, cp[currentCp]);
|
|
|
|
sessionDownloadLengthArray[0] += torrentMan->getDeltaDownloadLength();
|
|
sessionUploadLengthArray[0] += torrentMan->getDeltaUploadLength();
|
|
sessionDownloadLengthArray[1] += torrentMan->getDeltaDownloadLength();
|
|
sessionUploadLengthArray[1] += torrentMan->getDeltaUploadLength();
|
|
|
|
sessionDownloadLength += torrentMan->getDeltaDownloadLength();
|
|
|
|
|
|
torrentMan->resetDeltaDownloadLength();
|
|
torrentMan->resetDeltaUploadLength();
|
|
|
|
if(torrentMan->isSelectiveDownloadingMode()) {
|
|
downloadLength = torrentMan->getDownloadLength()-selectedDownloadLengthDiff;
|
|
totalLength = selectedTotalLength;
|
|
} else {
|
|
downloadLength = torrentMan->getDownloadLength();
|
|
totalLength = torrentMan->getTotalLength();
|
|
}
|
|
|
|
if(elapsed > 0) {
|
|
downloadSpeed = calculateSpeed(sessionDownloadLengthArray[currentCp], elapsed);
|
|
uploadSpeed = calculateSpeed(sessionUploadLengthArray[currentCp], elapsed);
|
|
}
|
|
|
|
if(elapsed-lastElapsed >= 1) {
|
|
avgSpeed = calculateSpeed(sessionDownloadLength,
|
|
Util::difftvsec(now, startup));
|
|
if(avgSpeed < 0) {
|
|
avgSpeed = 0;
|
|
} else if(avgSpeed != 0) {
|
|
eta = (totalLength-downloadLength)/avgSpeed;
|
|
}
|
|
|
|
sendStatistics();
|
|
lastElapsed = elapsed;
|
|
}
|
|
|
|
if(elapsed > 15) {
|
|
sessionDownloadLengthArray[currentCp] = 0;
|
|
sessionUploadLengthArray[currentCp] = 0;
|
|
cp[currentCp] = now;
|
|
lastElapsed = 0;
|
|
currentCp = currentCp ? 0 : 1;
|
|
}
|
|
}
|