You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
54 lines
2.0 KiB
C++
54 lines
2.0 KiB
C++
/*
|
|
* This file is part of OpenTTD.
|
|
* 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.
|
|
* 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.
|
|
* 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/>.
|
|
*/
|
|
|
|
/**
|
|
* @file tcp_stun.h Basic functions to receive and send TCP packets to/from the STUN server.
|
|
*/
|
|
|
|
#ifndef NETWORK_CORE_TCP_STUN_H
|
|
#define NETWORK_CORE_TCP_STUN_H
|
|
|
|
#include "os_abstraction.h"
|
|
#include "tcp.h"
|
|
#include "packet.h"
|
|
|
|
/** Enum with all types of TCP STUN packets. The order MUST not be changed. **/
|
|
enum PacketStunType : uint8_t {
|
|
PACKET_STUN_SERCLI_STUN, ///< Send a STUN request to the STUN server.
|
|
PACKET_STUN_END, ///< Must ALWAYS be on the end of this list!! (period)
|
|
};
|
|
|
|
/** Base socket handler for all STUN TCP sockets. */
|
|
class NetworkStunSocketHandler : public NetworkTCPSocketHandler {
|
|
protected:
|
|
bool ReceiveInvalidPacket(PacketStunType type);
|
|
|
|
/**
|
|
* Send a STUN request to the STUN server letting the Game Coordinator know
|
|
* what our actually public IP:port is.
|
|
*
|
|
* uint8_t Game Coordinator protocol version.
|
|
* string Token to track the current STUN request.
|
|
* uint8_t Which interface number this is (for example, IPv4 or IPv6).
|
|
* The Game Coordinator relays this number back in later packets.
|
|
*
|
|
* @param p The packet that was just received.
|
|
* @return True upon success, otherwise false.
|
|
*/
|
|
virtual bool Receive_SERCLI_STUN(Packet &p);
|
|
|
|
public:
|
|
/**
|
|
* Create a new cs socket handler for a given cs.
|
|
* @param s the socket we are connected with.
|
|
* @param address IP etc. of the client.
|
|
*/
|
|
NetworkStunSocketHandler(SOCKET s = INVALID_SOCKET) : NetworkTCPSocketHandler(s) {}
|
|
};
|
|
|
|
#endif /* NETWORK_CORE_TCP_STUN_H */
|