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/* <!-- copyright */
/*
* aria2 - The high speed download utility
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL. If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. If you
* do not wish to do so, delete this exception statement from your
* version. If you delete this exception statement from all source
* files in the program, then also delete it here.
*/
/* copyright --> */
#include "ConsoleDownloadEngine.h"
#include "Util.h"
#include <signal.h>
volatile sig_atomic_t haltRequested = 0;
ConsoleDownloadEngine::ConsoleDownloadEngine() {}
ConsoleDownloadEngine::~ConsoleDownloadEngine() {}
void ConsoleDownloadEngine::sendStatistics(long long int currentSize, long long int totalSize) {
printf("\r ");
printf("\r");
printf("%s/%s Bytes %d%% %s %.2f KB/s %d connections",
Util::llitos(currentSize, true).c_str(),
Util::llitos(totalSize, true).c_str(),
(totalSize == 0 ? 0 : (int)((currentSize*100)/totalSize)),
avgSpeed == 0 ? "-" : Util::secfmt(eta).c_str(),
speed/1024.0,
commands.size());
fflush(stdout);
}
void ConsoleDownloadEngine::initStatistics() {
cp.reset();
startup.reset();
speed = 0;
psize = 0;
avgSpeed = 0;
eta = 0;
startupLength = 0;
isStartupLengthSet = false;
}
void ConsoleDownloadEngine::calculateStatistics() {
long long int dlSize = segmentMan->getDownloadLength();
if(!isStartupLengthSet && dlSize > 0) {
startupLength = dlSize;
psize = dlSize;
isStartupLengthSet = true;
}
int elapsed = cp.difference();
if(elapsed >= 1) {
int nspeed = (int)((dlSize-psize)/elapsed);
if(nspeed < 0) {
nspeed = 0;
}
speed = (nspeed+speed)/2;
cp.reset();
psize = dlSize;
int elapsedFromStartup = startup.difference();
if(elapsedFromStartup > 0) {
avgSpeed = (int)((dlSize-startupLength)/elapsedFromStartup);
}
if(avgSpeed < 0) {
avgSpeed = 0;
} else if(avgSpeed != 0 && segmentMan->totalSize > 0) {
eta = (segmentMan->totalSize-dlSize)/avgSpeed;
}
sendStatistics(dlSize, segmentMan->totalSize);
}
}
void ConsoleDownloadEngine::onEndOfRun() {
segmentMan->diskWriter->closeFile();
if(segmentMan->finished()) {
segmentMan->remove();
} else {
segmentMan->save();
}
}
void ConsoleDownloadEngine::afterEachIteration() {
if(haltRequested) {
printf(_("\nstopping application...\n"));
fflush(stdout);
segmentMan->save();
segmentMan->diskWriter->closeFile();
printf(_("done\n"));
exit(EXIT_SUCCESS);
}
}
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