aria2/src/StreamFileAllocationEntry.cc

74 lines
2.9 KiB
C++

/* <!-- 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 "StreamFileAllocationEntry.h"
#include "CUIDCounter.h"
#include "Command.h"
#include "DownloadEngine.h"
#include "Option.h"
#include "Request.h"
#include "prefs.h"
#include "RequestGroup.h"
#include "InitiateConnectionCommandFactory.h"
StreamFileAllocationEntry::StreamFileAllocationEntry(const RequestHandle& currentRequest,
RequestGroup* requestGroup,
Command* nextCommand):
FileAllocationEntry(requestGroup, nextCommand),
_currentRequest(currentRequest)
{}
StreamFileAllocationEntry::~StreamFileAllocationEntry() {}
Commands StreamFileAllocationEntry::prepareForNextAction(DownloadEngine* e)
{
Commands commands;
if(_timer.difference() <= e->option->getAsInt(PREF_DIRECT_DOWNLOAD_TIMEOUT) &&
_nextCommand) {
commands.push_back(popNextCommand());
} else {
if(_currentRequest.isNull()) {
commands = _requestGroup->createNextCommandWithAdj(e, 0);
} else {
Commands streamCommands = _requestGroup->createNextCommandWithAdj(e, -1);
Command* command = InitiateConnectionCommandFactory::createInitiateConnectionCommand(CUIDCounterSingletonHolder::instance()->newID(),
_currentRequest, _requestGroup, e);
commands.push_back(command);
copy(streamCommands.begin(), streamCommands.end(), back_inserter(commands));
}
}
return commands;
}