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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 --> */
#ifndef _D_FTP_NEGOTIATION_COMMAND_H_
#define _D_FTP_NEGOTIATION_COMMAND_H_
#include "AbstractCommand.h"
#include "FtpConnection.h"
class FtpNegotiationCommand : public AbstractCommand {
private:
enum Seq {
SEQ_RECV_GREETING,
SEQ_SEND_USER,
SEQ_RECV_USER,
SEQ_SEND_PASS,
SEQ_RECV_PASS,
SEQ_SEND_TYPE,
SEQ_RECV_TYPE,
SEQ_SEND_CWD,
SEQ_RECV_CWD,
SEQ_SEND_SIZE,
SEQ_RECV_SIZE,
SEQ_SEND_PORT,
SEQ_RECV_PORT,
SEQ_SEND_PASV,
SEQ_RECV_PASV,
SEQ_SEND_REST_PASV,
SEQ_SEND_REST,
SEQ_RECV_REST,
SEQ_SEND_RETR,
SEQ_RECV_RETR,
SEQ_NEGOTIATION_COMPLETED,
SEQ_RETRY,
SEQ_HEAD_OK
};
bool recvGreeting();
bool sendUser();
bool recvUser();
bool sendPass();
bool recvPass();
bool sendType();
bool recvType();
bool sendCwd();
bool recvCwd();
bool sendSize();
bool recvSize();
bool sendPort();
bool recvPort();
bool sendPasv();
bool recvPasv();
bool sendRest(const SegmentHandle& segment);
bool sendRestPasv(const SegmentHandle& segment);
bool recvRest();
bool sendRetr();
bool recvRetr();
bool processSequence(const SegmentHandle& segment);
SocketHandle dataSocket;
SocketHandle serverSocket;
int sequence;
FtpConnection* ftp;
protected:
virtual bool executeInternal();
public:
FtpNegotiationCommand(int cuid,
const RequestHandle& req,
DownloadEngine* e,
const SocketHandle& s);
virtual ~FtpNegotiationCommand();
};
#endif // _D_FTP_NEGOTIATION_COMMAND_H_
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