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new file 100644
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/*
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* This file is part of OpenTTD.
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* OpenTTD 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, version 2.
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* OpenTTD 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.
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* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file tcp_stun.h Basic functions to receive and send TCP packets to/from the STUN server.
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*/
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#ifndef NETWORK_CORE_TCP_STUN_H
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#define NETWORK_CORE_TCP_STUN_H
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#include "os_abstraction.h"
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#include "tcp.h"
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#include "packet.h"
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/** Enum with all types of TCP STUN packets. The order MUST not be changed. **/
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enum PacketStunType {
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PACKET_STUN_SERCLI_STUN, ///< Send a STUN request to the STUN server.
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PACKET_STUN_END, ///< Must ALWAYS be on the end of this list!! (period)
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};
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/** Base socket handler for all STUN TCP sockets. */
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class NetworkStunSocketHandler : public NetworkTCPSocketHandler {
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protected:
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bool ReceiveInvalidPacket(PacketStunType type);
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/**
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* Send a STUN request to the STUN server letting the Game Coordinator know
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* what our actually public IP:port is.
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*
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* uint8 Game Coordinator protocol version.
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* string Token to track the current STUN request.
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* uint8 Which interface number this is (for example, IPv4 or IPv6).
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* The Game Coordinator relays this number back in later packets.
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*
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* @param p The packet that was just received.
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* @return True upon success, otherwise false.
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*/
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virtual bool Receive_SERCLI_STUN(Packet *p);
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public:
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/**
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* Create a new cs socket handler for a given cs.
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* @param s the socket we are connected with.
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* @param address IP etc. of the client.
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*/
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NetworkStunSocketHandler(SOCKET s = INVALID_SOCKET) : NetworkTCPSocketHandler(s) {}
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};
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#endif /* NETWORK_CORE_TCP_STUN_H */
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