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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 "FillRequestGroupCommand.h"
#include "DownloadEngine.h"
#include "RequestGroupMan.h"
#include "RequestGroup.h"
#include "RecoverableException.h"
#include "message.h"
#include "Logger.h"
#include "LogFactory.h"
#include "DownloadContext.h"
#include "fmt.h"
#include "wallclock.h"
namespace aria2 {
FillRequestGroupCommand::FillRequestGroupCommand(cuid_t cuid, DownloadEngine* e)
: Command(cuid), e_(e)
{
setStatusRealtime();
}
FillRequestGroupCommand::~FillRequestGroupCommand() {}
bool FillRequestGroupCommand::execute()
{
if (e_->isHaltRequested()) {
return true;
}
auto& rgman = e_->getRequestGroupMan();
if (rgman->queueCheckRequested()) {
while (rgman->queueCheckRequested()) {
try {
// During adding RequestGroup,
// RequestGroupMan::requestQueueCheck() might be called, so
// first clear it here.
rgman->clearQueueCheck();
rgman->fillRequestGroupFromReserver(e_);
}
catch (RecoverableException& ex) {
A2_LOG_ERROR_EX(EX_EXCEPTION_CAUGHT, ex);
// Re-request queue check to fulfill the requests of all
// downloads, some might come after this exception.
rgman->requestQueueCheck();
}
}
if (rgman->downloadFinished()) {
return true;
}
}
e_->addRoutineCommand(std::unique_ptr<Command>(this));
// let's make sure we come back here every second or so
// if we use the optimize-concurrent-download option
if (rgman->getOptimizeConcurrentDownloads()) {
const auto& now = global::wallclock();
if (std::chrono::duration_cast<std::chrono::seconds>(
lastExecTime.difference(now)) >= 1_s) {
lastExecTime = now;
rgman->requestQueueCheck();
}
}
return false;
}
} // namespace aria2
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