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/* <!-- copyright */
/*
* aria2 - a simple utility for downloading files faster
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* 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
};
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 Segment& segment);
bool sendRestPasv(const Segment& segment);
bool recvRest();
bool sendRetr();
bool recvRetr();
bool processSequence(const Segment& segment);
Socket* dataSocket;
Socket* serverSocket;
int sequence;
FtpConnection* ftp;
protected:
bool executeInternal(Segment segment);
public:
FtpNegotiationCommand(int cuid, Request* req, DownloadEngine* e, Socket* s);
~FtpNegotiationCommand();
};
#endif // _D_FTP_NEGOTIATION_COMMAND_H_
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