src/include/libpq/ip.h

   1 /*-------------------------------------------------------------------------
   2  *
   3  * ip.h
   4  *        Definitions for IPv6-aware network access.
   5  *
   6  * These definitions are used by both frontend and backend code.  Be careful
   7  * what you include here!
   8  *
   9  * Copyright (c) 2003-2008, PostgreSQL Global Development Group
  10  *
  11  * $PostgreSQL$
  12  *
  13  *-------------------------------------------------------------------------
  14  */
  15 #ifndef IP_H
  16 #define IP_H
  17
  18 #include "getaddrinfo.h"
  19 #include "libpq/pqcomm.h"
  20
  21
  22 extern int pg_getaddrinfo_all(const char *hostname, const char *servname,
  23                                    const struct addrinfo * hintp,
  24                                    struct addrinfo ** result);
  25 extern void pg_freeaddrinfo_all(int hint_ai_family, struct addrinfo * ai);
  26
  27 extern int pg_getnameinfo_all(const struct sockaddr_storage * addr, int salen,
  28                                    char *node, int nodelen,
  29                                    char *service, int servicelen,
  30                                    int flags);
  31
  32 extern int pg_range_sockaddr(const struct sockaddr_storage * addr,
  33                                   const struct sockaddr_storage * netaddr,
  34                                   const struct sockaddr_storage * netmask);
  35
  36 extern int pg_sockaddr_cidr_mask(struct sockaddr_storage * mask,
  37                                           char *numbits, int family);
  38
  39 #ifdef HAVE_IPV6
  40 extern void pg_promote_v4_to_v6_addr(struct sockaddr_storage * addr);
  41 extern void pg_promote_v4_to_v6_mask(struct sockaddr_storage * addr);
  42 #endif
  43
  44 #ifdef  HAVE_UNIX_SOCKETS
  45 #define IS_AF_UNIX(fam) ((fam) == AF_UNIX)
  46 #else
  47 #define IS_AF_UNIX(fam) (0)
  48 #endif
  49
  50 #endif   /* IP_H */