90 lines
2.6 KiB
C++
90 lines
2.6 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#ifndef NL_UDP_SIM_SOCK_H
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#define NL_UDP_SIM_SOCK_H
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#include "nel/misc/config_file.h"
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#include <queue>
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#include "sock.h"
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#include "udp_sock.h"
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namespace NLNET {
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struct CBufferizedOutPacket;
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/**
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* CUdpSimSock: Unreliable datagram socket via UDP but packet lost, lag simulation.
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* See class CUdpSock.
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*
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* Notes: InLag must be >0 to use the InPacketLoss variable
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*
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* \author Vianney Lecroart
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* \author Nevrax France
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* \date 2002
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*/
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class CUdpSimSock
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{
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public:
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CUdpSimSock (bool logging = true) : UdpSock(logging) { }
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// this function is to call to set the simulation values
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static void setSimValues (NLMISC::CConfigFile &cf);
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// CUdpSock functions wrapping
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void connect( const CInetAddress& addr );
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void close();
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bool dataAvailable();
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bool receive( uint8 *buffer, uint32& len, bool throw_exception=true );
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CSock::TSockResult send( const uint8 *buffer, uint32& len, bool throw_exception=true );
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void sendTo (const uint8 *buffer, uint32& len, const CInetAddress& addr);
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bool connected();
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const CInetAddress& localAddr() const { return UdpSock.localAddr(); }
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// Used to call CUdpSock functions that are not wrapped in this class
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CUdpSock UdpSock;
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private:
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std::queue<CBufferizedOutPacket*> _BufferizedOutPackets;
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std::queue<CBufferizedOutPacket*> _BufferizedInPackets;
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static uint32 _InLag;
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static uint8 _InPacketLoss;
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static uint32 _OutLag;
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static uint8 _OutPacketLoss;
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static uint8 _OutPacketDuplication;
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static uint8 _OutPacketDisordering;
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void updateBufferizedPackets ();
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void sendUDP (const uint8 *buffer, uint32& len, const CInetAddress *addr = NULL);
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void sendUDPNow (const uint8 *buffer, uint32 len, const CInetAddress *addr = NULL);
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friend void cbSimVar (NLMISC::CConfigFile::CVar &var);
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};
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} // NLNET
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#endif // NL_SIM_SOCK_H
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/* End of udp_sim_sock.h */
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