RetroShare/libretroshare/src/pqi/pqistunner.h

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/*
* "$Id: pqistunner.h,v 1.2 2007-02-18 21:46:50 rmf24 Exp $"
*
* 3P/PQI network interface for RetroShare.
*
* Copyright 2004-2006 by Robert Fernie.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License Version 2 as published by the Free Software Foundation.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA.
*
* Please report all bugs and problems to "retroshare@lunamutt.com".
*
*/
#include "pqi/pqinetwork.h"
class pqistunner
{
public:
pqistunner(struct sockaddr_in addr);
int setListenAddr(struct sockaddr_in addr);
int setuplisten();
int resetlisten();
int stun(struct sockaddr_in stun_addr);
bool response(void *stun_pkt, int size, struct sockaddr_in &addr);
int recvfrom(void *data, int *size, struct sockaddr_in &addr);
int reply(void *data, int size, struct sockaddr_in &addr);
private:
/************************** Basic Functionality ******************/
bool generate_stun_pkt(void *stun_pkt, int *len);
void * generate_stun_reply(struct sockaddr_in *stun_addr, int *len);
int sockfd;
bool active;
void *stunpkt;
unsigned int stunpktlen;
struct sockaddr_in laddr, stun_addr;
};