pimd/pim_sock.h

/*
  PIM for Quagga
  Copyright (C) 2008  Everton da Silva Marques

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2 of the License, or
  (at your option) any later version.

  This program 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
  General Public License for more details.
  
  You should have received a copy of the GNU General Public License
  along with this program; see the file COPYING; if not, write to the
  Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
  MA 02110-1301 USA
  
  $QuaggaId: $Format:%an, %ai, %h$ $
*/

#ifndef PIM_SOCK_H
#define PIM_SOCK_H

#include <netinet/in.h>

#define PIM_SOCK_ERR_NONE    (0)  /* No error */
#define PIM_SOCK_ERR_SOCKET  (-1) /* socket() */
#define PIM_SOCK_ERR_RA      (-2) /* Router Alert option */
#define PIM_SOCK_ERR_REUSE   (-3) /* Reuse option */
#define PIM_SOCK_ERR_TTL     (-4) /* TTL option */
#define PIM_SOCK_ERR_LOOP    (-5) /* Loopback option */
#define PIM_SOCK_ERR_IFACE   (-6) /* Outgoing interface option */
#define PIM_SOCK_ERR_DSTADDR (-7) /* Outgoing interface option */
#define PIM_SOCK_ERR_NONBLOCK_GETFL (-8) /* Get O_NONBLOCK */
#define PIM_SOCK_ERR_NONBLOCK_SETFL (-9) /* Set O_NONBLOCK */
#define PIM_SOCK_ERR_NAME    (-10) /* Socket name (getsockname) */

int pim_socket_raw(int protocol);
int pim_socket_mcast(int protocol, struct in_addr ifaddr, int loop);
int pim_socket_join(int fd, struct in_addr group,
		    struct in_addr ifaddr, int ifindex);
int pim_socket_join_source(int fd, int ifindex,
			   struct in_addr group_addr,
			   struct in_addr source_addr,
			   const char *ifname);
int pim_socket_recvfromto(int fd, char *buf, size_t len,
			  struct sockaddr_in *from, socklen_t *fromlen,
			  struct sockaddr_in *to, socklen_t *tolen,
			  int *ifindex);

int pim_socket_mcastloop_get(int fd);

int pim_socket_getsockname(int fd, struct sockaddr *name, int *namelen);

#endif /* PIM_SOCK_H */