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/* <!-- 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 "TorrentConsoleDownloadEngine.h"
#include "Util.h"
TorrentConsoleDownloadEngine::TorrentConsoleDownloadEngine() {}
TorrentConsoleDownloadEngine::~TorrentConsoleDownloadEngine() {}
void TorrentConsoleDownloadEngine::printStatistics() {
printf("\r ");
printf("\r");
if(torrentMan->downloadComplete()) {
printf("Download Completed ");
} else {
printf("%s/%sB %d%% DW:%.2f",
Util::llitos(torrentMan->getDownloadLength(), true).c_str(),
Util::llitos(torrentMan->getTotalLength(), true).c_str(),
(torrentMan->getTotalLength() == 0 ?
0 : (int)((torrentMan->getDownloadLength()*100)/torrentMan->getTotalLength())),
downloadSpeed/1000.0);
}
printf(" UP:%.2f(%s) %dpeers",
uploadSpeed/1000.0,
Util::llitos(torrentMan->getUploadLength(), true).c_str(),
torrentMan->connections);
fflush(stdout);
}
void TorrentConsoleDownloadEngine::initStatistics() {
downloadSpeed = 0;
uploadSpeed = 0;
lastElapsed = 0;
gettimeofday(&cp[0], NULL);
gettimeofday(&cp[1], NULL);
sessionDownloadLengthArray[0] = 0;
sessionDownloadLengthArray[1] = 0;
sessionUploadLengthArray[0] = 0;
sessionUploadLengthArray[1] = 0;
currentCp = 0;
}
int TorrentConsoleDownloadEngine::calculateSpeed(long long int sessionLength, long long int elapsed) {
int nowSpeed = (int)(sessionLength/(elapsed/1000000.0));
return nowSpeed;
}
void TorrentConsoleDownloadEngine::calculateStatistics() {
struct timeval now;
gettimeofday(&now, NULL);
long long int elapsed = Util::difftv(now, cp[currentCp]);
sessionDownloadLengthArray[0] += torrentMan->getDeltaDownloadLength();
sessionUploadLengthArray[0] += torrentMan->getDeltaUploadLength();
sessionDownloadLengthArray[1] += torrentMan->getDeltaDownloadLength();
sessionUploadLengthArray[1] += torrentMan->getDeltaUploadLength();
downloadSpeed = calculateSpeed(sessionDownloadLengthArray[currentCp], elapsed);
uploadSpeed = calculateSpeed(sessionUploadLengthArray[currentCp], elapsed);
torrentMan->resetDeltaDownloadLength();
torrentMan->resetDeltaUploadLength();
if(elapsed-lastElapsed >= 1000000) {
printStatistics();
lastElapsed = elapsed;
}
if(elapsed > 15*1000000) {
sessionDownloadLengthArray[currentCp] = 0;
sessionUploadLengthArray[currentCp] = 0;
cp[currentCp] = now;
lastElapsed = 0;
currentCp = currentCp ? 0 : 1;
}
}
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