EVESession.h

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/*
    ------------------------------------------------------------------------------------
    LICENSE:
    ------------------------------------------------------------------------------------
    This file is part of EVEmu: EVE Online Server Emulator
    Copyright 2006 - 2021 The EVEmu Team
    For the latest information visit https://evemu.dev
    ------------------------------------------------------------------------------------
    This program is free software; you can redistribute it and/or modify it under
    the terms of the GNU Lesser 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 Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser 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, or go to
    http://www.gnu.org/copyleft/lesser.txt.
    ------------------------------------------------------------------------------------
    Author:        Zhur
*/

#ifndef __EVE_SESSION_H__INCL__
#define __EVE_SESSION_H__INCL__

#include "network/EVETCPConnection.h"

class PyPacket;
class PyRep;

class VersionExchangeClient;
class VersionExchangeServer;
class CryptoRequestPacket;
class CryptoChallengePacket;
class CryptoHandshakeResult;

class EVEClientSession
{
public:
    typedef TCPConnection::state_t state_t;

    EVEClientSession( EVETCPConnection** n );
    virtual ~EVEClientSession();

    state_t GetState() const { return mNet->GetState(); }
    std::string GetAddress() const { return mNet->GetAddress(); }

    void Reset();

    void QueuePacket( PyPacket* packet );

    PyPacket* PopPacket();

    void CloseClientConnection() { mNet->Disconnect(); }


protected:
    virtual void _GetVersion( VersionExchangeServer& version ) = 0;
    //virtual uint32 GetUserCount() = 0;
    virtual uint32 _GetQueuePosition() = 0;

    virtual bool _VerifyVersion( VersionExchangeClient& version ) = 0;
    virtual bool _VerifyVIPKey( const std::string& vipKey ) = 0;
    virtual bool _VerifyCrypto( CryptoRequestPacket& cr ) = 0;
    virtual bool _VerifyLogin( CryptoChallengePacket& ccp ) = 0;
    virtual bool _VerifyFuncResult( CryptoHandshakeResult& result ) = 0;

    EVETCPConnection* const mNet;

private:
    // State machine facility:
    PyPacket* ( EVEClientSession::*mPacketHandler )( PyRep* rep );

    PyPacket* _HandleVersion( PyRep* rep );
    PyPacket* _HandleCommand( PyRep* rep );
    PyPacket* _HandleCrypto( PyRep* rep );
    PyPacket* _HandleAuthentication( PyRep* rep );
    PyPacket* _HandleFuncResult( PyRep* rep );
    PyPacket* _HandlePacket( PyRep* rep );
};

#endif /* !__EVE_SESSION_H__INCL__ */