miniupnp/miniupnpd/natpmp.h at master · symform/miniupnp

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/* $Id: natpmp.h,v 1.11 2014/02/01 17:17:35 nanard Exp $ */

/* MiniUPnP project

* author : Thomas Bernard

* website : http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/

#ifndef NATPMP_H_INCLUDED

#define NATPMP_H_INCLUDED

/* The NAT-PMP specification which can be found at the url :

* http://files.dns-sd.org/draft-cheshire-nat-pmp.txt

* draft version 3 of April 2008

* define 5351 as listening port for the gateway,

* and the 224.0.0.1 port 5350 as the local link

* multicast address for address change announces.

* Previous versions of the specification defined 5351

* as the port for address change announces. */

#define NATPMP_PORT (5351)

#define NATPMP_NOTIF_PORT (5350)

#define NATPMP_NOTIF_ADDR ("224.0.0.1")

int OpenAndConfNATPMPSockets(int * sockets);

int ReceiveNATPMPOrPCPPacket(int s, struct sockaddr_in* senderaddr,

unsigned char *msg_buff, size_t msg_buff_size);

void ProcessIncomingNATPMPPacket(int s, unsigned char *msg_buff, int len,

struct sockaddr_in *senderaddr);

void SendNATPMPPublicAddressChangeNotification(int * sockets, int n_sockets);

#endif