forked from 0ad/0ad
bb
157c6af18e
Avoid cases of filenames Update years in terms and other legal(ish) documents Don't update years in license headers, since change is not meaningful Will add linter rule in seperate commit Happy recompiling everyone! Original Patch By: Nescio Comment By: Gallaecio Differential Revision: D2620 This was SVN commit r27786.
54 lines
1.8 KiB
C++
54 lines
1.8 KiB
C++
/* Copyright (C) 2021 Wildfire Games.
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* Copyright (C) 2013-2016 SuperTuxKart-Team.
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* This file is part of 0 A.D.
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*
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* 0 A.D. is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* 0 A.D. 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 General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with 0 A.D. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef STUNCLIENT_H
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#define STUNCLIENT_H
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#include "ps/CStrForward.h"
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#include <string>
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typedef struct _ENetHost ENetHost;
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namespace StunClient
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{
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/**
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* Return the publicly accessible IP of the given ENet host/socket.
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* This is done by contacting STUN server.
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* The return IP & port should only be considered valid for the give host/socket.
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*/
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bool FindPublicIP(ENetHost& enetClient, CStr8& ip, u16& port);
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/**
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* Send a message to the target server with the given ENet host/socket.
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* This will open a port on the local gateway (if any) to receive trafic,
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* allowing the recipient to answer (thus 'punching a hole' in the NAT).
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* NB: this assumes consistent NAT, i.e. the outgoing port is always the same for the given client,
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* thus allowing the IP discovered via STUN to be sent to the target server.
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*/
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void SendHolePunchingMessages(ENetHost& enetClient, const std::string& serverAddress, u16 serverPort);
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/**
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* Return the local IP.
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* Technically not a STUN method, but convenient to define here.
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*/
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bool FindLocalIP(CStr8& ip);
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}
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#endif // STUNCLIENT_H
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