devel/libmdw/trunk/libmdw/src/TelnetProtocol.cpp

/***************************************************************************
 *   Copyright (C) 2010 by Jean-Baptiste Wons   *
 *   wonsjb@gmail.com   *
 *                                                                         *
 *   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.             *
 ***************************************************************************/
#include "TelnetProtocol.h"

namespace mdw
{

namespace
{
// From RFC854 - Telnet Protocol Specification
const unsigned char SE = 240;
const unsigned char NOP = 241;
const unsigned char DataMark = 242;
const unsigned char Break = 243;
const unsigned char InterruptProcess = 244;
const unsigned char AbortOutput = 245;
const unsigned char AreYouThere = 246;
const unsigned char EraseCharacter = 247;
const unsigned char EraseLine = 248;
const unsigned char GoAhead = 249;
const unsigned char SB = 250;
const unsigned char WILL = 251;
const unsigned char WONT = 252;
const unsigned char DO = 253;
const unsigned char DONT = 254;
const unsigned char IAC = 255;
// RFC856 - Telnet Binary Transmission
const unsigned char TransmitBinary = 0;
// RFC857 - Telnet Echo Option
const unsigned char Echo = 1;
// RFC858 - Telnet Suppress Go Ahead Option
const unsigned char SuppressGoAhead = 3;
// RFC859 - Telnet Status Option
const unsigned char Status = 5;
// RFC860 - Telnet Timing Mark Option
const unsigned char TimingMark = 6;
// RFC861 - Telnet Extended Options: List Option
const unsigned char ExtendedOptionList = 255;
// RFC726 - Remote Controlled Transmission and Echoing Telnet option
const unsigned char RCTE = 7;

}

TelnetProtocol::TelnetProtocol (StreamServer &server) : _server (server)
{
}

TelnetProtocol::~TelnetProtocol()
{
}

void TelnetProtocol::visitRead (char * buffer, int size, StreamInfo &info)
{
    _currentVisitor->visitRead(buffer, size, info);
}
void TelnetProtocol::visitConnect (StreamInfo &info)
{
    _currentVisitor->visitConnect(info);
}
void TelnetProtocol::visitDisconnect (StreamInfo &info)
{
    _currentVisitor->visitDisconnect(info);
}

void TelnetProtocol::accept (StreamServerVisitor &visitor, int timeOutSec, int timeOutMicro)
{
    _currentVisitor = &visitor;
    _server.accept (*this, timeOutSec, timeOutMicro);
}
void TelnetProtocol::write (const char * buffer, int size, int streamId)
{
    _server.write (buffer, size, streamId);
}
void TelnetProtocol::close (int streamId)
{
    _server.close (streamId);
}

Stream &TelnetProtocol::outStream (int streamId)
{
    return _server.outStream (streamId);
}

}

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