release/src/router/miniupnpd/natpmp.h

   1 /* $Id: natpmp.h,v 1.13 2014/05/19 13:38:03 nanard Exp $ */
   2 /* MiniUPnP project
   3  * author : Thomas Bernard
   4  * website : http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/
   5  */
   6 #ifndef NATPMP_H_INCLUDED
   7 #define NATPMP_H_INCLUDED
   8
   9 /* The NAT-PMP specification which can be found at the url :
  10  * http://files.dns-sd.org/draft-cheshire-nat-pmp.txt
  11  * draft version 3 of April 2008
  12  * define 5351 as listening port for the gateway,
  13  * and the 224.0.0.1 port 5350 as the local link
  14  * multicast address for address change announces.
  15  * Previous versions of the specification defined 5351
  16  * as the port for address change announces. */
  17 #define NATPMP_PORT (5351)
  18 #define NATPMP_NOTIF_PORT       (5350)
  19 #define NATPMP_NOTIF_ADDR       ("224.0.0.1")
  20
  21 int OpenAndConfNATPMPSockets(int * sockets);
  22
  23 /* receiveraddr is only used with IPV6 sockets */
  24 int ReceiveNATPMPOrPCPPacket(int s, struct sockaddr * senderaddr,
  25                              socklen_t * senderaddrlen,
  26                              struct sockaddr_in6 * receiveraddr,
  27                              unsigned char * msg_buff, size_t msg_buff_size);
  28
  29 void ProcessIncomingNATPMPPacket(int s, unsigned char * msg_buff, int len,
  30                                  struct sockaddr_in * senderaddr);
  31
  32 void SendNATPMPPublicAddressChangeNotification(int * sockets, int n_sockets);
  33
  34 #endif
  35