aria2/src/FtpFinishDownloadCommand.cc

125 lines
4.1 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 "FtpFinishDownloadCommand.h"
#include <map>
#include "Request.h"
#include "DownloadEngine.h"
#include "prefs.h"
#include "Option.h"
#include "FtpConnection.h"
#include "message.h"
#include "fmt.h"
#include "DlAbortEx.h"
#include "SocketCore.h"
#include "RequestGroup.h"
#include "Logger.h"
#include "LogFactory.h"
#include "util.h"
#include "wallclock.h"
#include "SocketRecvBuffer.h"
namespace aria2 {
FtpFinishDownloadCommand::FtpFinishDownloadCommand(
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>& socket)
: AbstractCommand(cuid, req, fileEntry, requestGroup, e, socket),
ftpConnection_(ftpConnection)
{
}
FtpFinishDownloadCommand::~FtpFinishDownloadCommand() = default;
// overrides AbstractCommand::execute().
// AbstractCommand::_segments is empty.
bool FtpFinishDownloadCommand::execute()
{
if (getRequestGroup()->isHaltRequested()) {
return true;
}
try {
if (readEventEnabled() || hupEventEnabled()) {
getCheckPoint() = global::wallclock();
int status = ftpConnection_->receiveResponse();
if (status == 0) {
addCommandSelf();
return false;
}
if (status == 226) {
if (getOption()->getAsBool(PREF_FTP_REUSE_CONNECTION)) {
getDownloadEngine()->poolSocket(
getRequest(), ftpConnection_->getUser(), createProxyRequest(),
getSocket(), ftpConnection_->getBaseWorkingDir());
}
}
else {
A2_LOG_INFO(fmt("CUID#%" PRId64 " - Bad status for transfer complete.",
getCuid()));
}
}
else if (getCheckPoint().difference(global::wallclock()) >= getTimeout()) {
A2_LOG_INFO(fmt("CUID#%" PRId64
" - Timeout before receiving transfer complete.",
getCuid()));
}
else {
addCommandSelf();
return false;
}
}
catch (RecoverableException& e) {
A2_LOG_INFO_EX(fmt("CUID#%" PRId64
" - Exception was thrown, but download was"
" finished, so we can ignore the exception.",
getCuid()),
e);
}
if (getRequestGroup()->downloadFinished()) {
return true;
}
else {
return prepareForRetry(0);
}
}
// This function never be called.
bool FtpFinishDownloadCommand::executeInternal() { return true; }
} // namespace aria2