mirror of https://github.com/aria2/aria2
92 lines
2.7 KiB
C++
92 lines
2.7 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 "ConsoleDownloadEngine.h"
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#include "Util.h"
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ConsoleDownloadEngine::ConsoleDownloadEngine() {}
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ConsoleDownloadEngine::~ConsoleDownloadEngine() {}
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void ConsoleDownloadEngine::sendStatistics(long long int currentSize, long long int totalSize) {
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printf("\r ");
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printf("\r");
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printf("%s/%s Bytes %d%% %s %.2f KB/s %d connections",
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Util::llitos(currentSize, true).c_str(),
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Util::llitos(totalSize, true).c_str(),
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(totalSize == 0 ? 0 : (int)((currentSize*100)/totalSize)),
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avgSpeed == 0 ? "-" : Util::secfmt(eta).c_str(),
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speed/1024.0,
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commands.size());
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fflush(stdout);
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}
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void ConsoleDownloadEngine::initStatistics() {
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cp.tv_sec = cp.tv_usec = 0;
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speed = 0;
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psize = 0;
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avgSpeed = 0;
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eta = 0;
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startupLength = 0;
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isStartupLengthSet = false;
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gettimeofday(&startup, NULL);
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}
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void ConsoleDownloadEngine::calculateStatistics() {
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long long int dlSize = segmentMan->getDownloadedSize();
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if(!isStartupLengthSet && dlSize > 0) {
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startupLength = dlSize;
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isStartupLengthSet = true;
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}
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struct timeval now;
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gettimeofday(&now, NULL);
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if(cp.tv_sec == 0 && cp.tv_usec == 0) {
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cp = now;
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psize = dlSize;
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} else {
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int elapsed = Util::difftvsec(now, cp);
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if(elapsed >= 1) {
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int nspeed = (int)((dlSize-psize)/elapsed);
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speed = (nspeed+speed)/2;
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cp = now;
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psize = dlSize;
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avgSpeed = (int)((dlSize-startupLength)/Util::difftvsec(now, startup));
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if(avgSpeed < 0) {
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avgSpeed = 0;
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} else if(avgSpeed != 0 && segmentMan->totalSize > 0) {
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eta = (segmentMan->totalSize-dlSize)/avgSpeed;
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}
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sendStatistics(dlSize, segmentMan->totalSize);
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}
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}
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}
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void ConsoleDownloadEngine::onEndOfRun() {
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segmentMan->diskWriter->closeFile();
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if(segmentMan->finished()) {
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segmentMan->remove();
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} else {
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segmentMan->save();
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}
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}
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