aria2/src/FtpDownloadCommand.cc

94 lines
3.3 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 "FtpDownloadCommand.h"
#include "Request.h"
#include "SocketCore.h"
#include "Segment.h"
#include "DownloadEngine.h"
#include "RequestGroup.h"
#include "prefs.h"
#include "Option.h"
#include "FtpFinishDownloadCommand.h"
#include "FtpConnection.h"
#include "Logger.h"
#include "FileEntry.h"
#include "SocketRecvBuffer.h"
namespace aria2 {
FtpDownloadCommand::FtpDownloadCommand
(cuid_t cuid,
const std::shared_ptr<Request>& req,
const std::shared_ptr<FileEntry>& fileEntry,
RequestGroup* requestGroup,
const std::shared_ptr<FtpConnection>& ftpConnection,
DownloadEngine* e,
const std::shared_ptr<SocketCore>& dataSocket,
const std::shared_ptr<SocketCore>& ctrlSocket)
:DownloadCommand(cuid, req, fileEntry, requestGroup, e, dataSocket,
std::shared_ptr<SocketRecvBuffer>
(new SocketRecvBuffer(dataSocket))),
ftpConnection_(ftpConnection),
ctrlSocket_(ctrlSocket) {}
FtpDownloadCommand::~FtpDownloadCommand() {}
bool FtpDownloadCommand::prepareForNextSegment()
{
if(getOption()->getAsBool(PREF_FTP_REUSE_CONNECTION) &&
getFileEntry()->gtoloff(getSegments().front()->getPositionToWrite()) ==
getFileEntry()->getLength()) {
getDownloadEngine()->addCommand
(make_unique<FtpFinishDownloadCommand>
(getCuid(), getRequest(), getFileEntry(), getRequestGroup(),
ftpConnection_, getDownloadEngine(), ctrlSocket_));
if(getRequestGroup()->downloadFinished()) {
// To run checksum checking, we had to call following function here.
DownloadCommand::prepareForNextSegment();
}
return true;
} else {
return DownloadCommand::prepareForNextSegment();
}
}
int64_t FtpDownloadCommand::getRequestEndOffset() const
{
return getFileEntry()->getLength();
}
} // namespace aria2