2 This file is part of GNUnet.
3 (C) 2007, 2008, 2009 Christian Grothoff (and other contributing authors)
5 GNUnet is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published
7 by the Free Software Foundation; either version 3, or (at your
8 option) any later version.
10 GNUnet is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with GNUnet; see the file COPYING. If not, write to the
17 Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA.
23 * @brief Library handling UPnP and NAT-PMP port forwarding and
24 * external IP address retrieval
25 * @author Milan Bouchet-Valat
31 #define DEBUG GNUNET_YES
34 * Used to communicate with the UPnP and NAT-PMP plugins
36 enum GNUNET_NAT_PortState
38 GNUNET_NAT_PORT_ERROR,
41 * the port isn't forwarded
43 GNUNET_NAT_PORT_UNMAPPED,
46 * we're cancelling the port forwarding
48 GNUNET_NAT_PORT_UNMAPPING,
51 * we're in the process of trying to set up port forwarding
53 GNUNET_NAT_PORT_MAPPING,
56 * we've successfully forwarded the port
58 GNUNET_NAT_PORT_MAPPED
63 * Compare the sin(6)_addr fields of AF_INET or AF_INET(6) sockaddr.
65 * @param a first sockaddr
66 * @param b second sockaddr
67 * @return 0 if addresses are equal, non-null value otherwise
69 int GNUNET_NAT_cmp_addr (const struct sockaddr *a, const struct sockaddr *b);