src/include/libpq/ifaddr.h

   1 /*-------------------------------------------------------------------------
   2  *
   3  * ifaddr.h
   4  *        IP netmask calculations, and enumerating network interfaces.
   5  *
   6  * Copyright (c) 2003-2019, PostgreSQL Global Development Group
   7  *
   8  * src/include/libpq/ifaddr.h
   9  *
  10  *-------------------------------------------------------------------------
  11  */
  12 #ifndef IFADDR_H
  13 #define IFADDR_H
  14
  15 #include "libpq/pqcomm.h"               /* pgrminclude ignore */
  16
  17 typedef void (*PgIfAddrCallback) (struct sockaddr *addr,
  18                                                                   struct sockaddr *netmask,
  19                                                                   void *cb_data);
  20
  21 extern int      pg_range_sockaddr(const struct sockaddr_storage *addr,
  22                                                           const struct sockaddr_storage *netaddr,
  23                                                           const struct sockaddr_storage *netmask);
  24
  25 extern int      pg_sockaddr_cidr_mask(struct sockaddr_storage *mask,
  26                                                                   char *numbits, int family);
  27
  28 extern int      pg_foreach_ifaddr(PgIfAddrCallback callback, void *cb_data);
  29
  30 #endif                                                  /* IFADDR_H */