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 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 #include <netdb.h>
  25
  26 struct stringlist;
  27
  28 /** @brief A network address */
  29 struct netaddress {
  30   /** @brief Address family
  31    *
  32    * Typically @c AF_UNIX, @c AF_INET, @c AF_INET6 or @c AF_UNSPEC.
  33    * Set to -1 to mean 'no address'.
  34    */
  35   int af;
  36
  37   /** @brief Address or NULL for 'any' */
  38   char *address;
  39
  40   /** @brief Port number */
  41   int port;
  42 };
  43
  44 struct addrinfo *get_address(const struct stringlist *a,
  45                              const struct addrinfo *pref,
  46                              char **namep);
  47
  48 int addrinfocmp(const struct addrinfo *a,
  49                 const struct addrinfo *b);
  50 int sockaddrcmp(const struct sockaddr *a,
  51                 const struct sockaddr *b);
  52
  53 int multicast(const struct sockaddr *sa);
  54 char *format_sockaddr(const struct sockaddr *sa);
  55
  56 int netaddress_parse(struct netaddress *na,
  57                      int nvec,
  58                      char **vec);
  59 void netaddress_format(const struct netaddress *na,
  60                        int *nvecp,
  61                        char ***vecp);
  62 struct addrinfo *netaddress_resolve(const struct netaddress *na,
  63                                     int passive,
  64                                     int protocol);
  65
  66 #endif /* ADDR_H */
  67
  68 /*
  69 Local Variables:
  70 c-basic-offset:2
  71 comment-column:40
  72 End:
  73 */