mirror of https://github.com/aria2/aria2
127 lines
4.2 KiB
C++
127 lines
4.2 KiB
C++
/* <!-- copyright */
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/*
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* aria2 - a simple utility for downloading files faster
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*
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* Copyright (C) 2006 Tatsuhiro Tsujikawa
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/* copyright --> */
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#include "TorrentConsoleDownloadEngine.h"
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#include "Util.h"
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TorrentConsoleDownloadEngine::TorrentConsoleDownloadEngine() {}
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TorrentConsoleDownloadEngine::~TorrentConsoleDownloadEngine() {}
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void TorrentConsoleDownloadEngine::onPartialDownloadingCompletes() {
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printf("Download of specified files has completed. Continue normal download operation.\n");
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}
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void TorrentConsoleDownloadEngine::printStatistics() {
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printf("\r ");
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printf("\r");
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if(torrentMan->downloadComplete()) {
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printf("Download Completed ");
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} else {
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printf("%s/%sB %d%% %s D:%.2f",
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Util::llitos(downloadLength, true).c_str(),
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Util::llitos(totalLength, true).c_str(),
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(totalLength == 0 ?
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0 : (int)((downloadLength*100)/totalLength)),
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avgSpeed == 0 ? "-" : Util::secfmt(eta).c_str(),
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downloadSpeed/1024.0);
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}
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printf(" U:%.2f(%s) %dpeers",
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uploadSpeed/1024.0,
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Util::llitos(torrentMan->getUploadLength(), true).c_str(),
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torrentMan->connections);
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fflush(stdout);
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}
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void TorrentConsoleDownloadEngine::initStatistics() {
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downloadSpeed = 0;
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uploadSpeed = 0;
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lastElapsed = 0;
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gettimeofday(&cp[0], NULL);
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gettimeofday(&cp[1], NULL);
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gettimeofday(&startup, NULL);
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sessionDownloadLengthArray[0] = 0;
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sessionDownloadLengthArray[1] = 0;
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sessionUploadLengthArray[0] = 0;
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sessionUploadLengthArray[1] = 0;
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currentCp = 0;
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eta = 0;
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avgSpeed = 0;
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sessionDownloadLength = 0;
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downloadLength = 0;
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totalLength = 0;
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if(torrentMan->isPartialDownloadingMode()) {
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partialDownloadLengthDiff = torrentMan->getDownloadLength()-torrentMan->getCompletedLength();
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partialTotalLength = torrentMan->getPartialTotalLength();
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}
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}
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int TorrentConsoleDownloadEngine::calculateSpeed(long long int sessionLength, long long int elapsed) {
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int nowSpeed = (int)(sessionLength/(elapsed/1000000.0));
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return nowSpeed;
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}
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void TorrentConsoleDownloadEngine::calculateStatistics() {
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struct timeval now;
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gettimeofday(&now, NULL);
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long long int elapsed = Util::difftv(now, cp[currentCp]);
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sessionDownloadLengthArray[0] += torrentMan->getDeltaDownloadLength();
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sessionUploadLengthArray[0] += torrentMan->getDeltaUploadLength();
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sessionDownloadLengthArray[1] += torrentMan->getDeltaDownloadLength();
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sessionUploadLengthArray[1] += torrentMan->getDeltaUploadLength();
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sessionDownloadLength += torrentMan->getDeltaDownloadLength();
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downloadSpeed = calculateSpeed(sessionDownloadLengthArray[currentCp], elapsed);
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uploadSpeed = calculateSpeed(sessionUploadLengthArray[currentCp], elapsed);
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torrentMan->resetDeltaDownloadLength();
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torrentMan->resetDeltaUploadLength();
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if(torrentMan->isPartialDownloadingMode()) {
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downloadLength = torrentMan->getDownloadLength()-partialDownloadLengthDiff;
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totalLength = partialTotalLength;
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} else {
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downloadLength = torrentMan->getDownloadLength();
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totalLength = torrentMan->getTotalLength();
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}
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avgSpeed = calculateSpeed(sessionDownloadLength,
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Util::difftv(now, startup));
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if(avgSpeed != 0) {
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eta = (totalLength-downloadLength)/avgSpeed;
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}
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if(elapsed-lastElapsed >= 1000000) {
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printStatistics();
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lastElapsed = elapsed;
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}
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if(elapsed > 15*1000000) {
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sessionDownloadLengthArray[currentCp] = 0;
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sessionUploadLengthArray[currentCp] = 0;
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cp[currentCp] = now;
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lastElapsed = 0;
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currentCp = currentCp ? 0 : 1;
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}
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}
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