mdw@git.distorted.org.uk Git - disorder/blob - lib/addr.h

   1 /*
   2  * This file is part of DisOrder.
   3  * Copyright (C) 2004, 2007, 2008, 2013 Richard Kettlewell
   4  *
   5  * This program is free software: you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation, either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18 /** @file lib/addr.h
  19  * @brief Socket address support */
  20
  21 #ifndef ADDR_H
  22 #define ADDR_H
  23
  24 #if HAVE_NETDB_H
  25 # include <netdb.h>
  26 #endif
  27
  28 struct stringlist;
  29
  30 /** @brief A network address */
  31 struct netaddress {
  32   /** @brief Address family
  33    *
  34    * Typically @c AF_UNIX, @c AF_INET, @c AF_INET6 or @c AF_UNSPEC.
  35    * Set to -1 to mean 'no address'.
  36    */
  37   int af;
  38
  39   /** @brief Address or NULL for 'any' */
  40   char *address;
  41
  42   /** @brief Port number */
  43   int port;
  44 };
  45
  46 struct addrinfo *get_address(const struct stringlist *a,
  47                              const struct addrinfo *pref,
  48                              char **namep);
  49
  50 int addrinfocmp(const struct addrinfo *a,
  51                 const struct addrinfo *b);
  52 int sockaddrcmp(const struct sockaddr *a,
  53                 const struct sockaddr *b);
  54
  55 int multicast(const struct sockaddr *sa);
  56 char *format_sockaddr(const struct sockaddr *sa);
  57
  58 int netaddress_parse(struct netaddress *na,
  59                      int nvec,
  60                      char **vec);
  61 void netaddress_format(const struct netaddress *na,
  62                        int *nvecp,
  63                        char ***vecp);
  64 struct addrinfo *netaddress_resolve(const struct netaddress *na,
  65                                     int passive,
  66                                     int protocol);
  67
  68 #endif /* ADDR_H */
  69
  70 /*
  71 Local Variables:
  72 c-basic-offset:2
  73 comment-column:40
  74 End:
  75 */