gio/gnetworkingprivate.h

   1 /* GIO - GLib Input, Output and Streaming Library
   2  *
   3  * Copyright (C) 2008 Red Hat, Inc.
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library 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 GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General
  16  * Public License along with this library; if not, write to the
  17  * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
  18  * Boston, MA 02111-1307, USA.
  19  */
  20
  21 #ifndef __G_NETWORKINGPRIVATE_H__
  22 #define __G_NETWORKINGPRIVATE_H__
  23
  24 #ifdef G_OS_WIN32
  25
  26 #define _WIN32_WINNT 0x0501
  27 #include <winsock2.h>
  28 #undef interface
  29 #include <ws2tcpip.h>
  30 #include <windns.h>
  31 #include <mswsock.h>
  32
  33 #ifdef HAVE_WSPIAPI_H
  34 /* <wspiapi.h> in the Windows SDK and in mingw-w64 has wrappers for
  35  * inline workarounds for getaddrinfo, getnameinfo and freeaddrinfo if
  36  * they aren't present at run-time (on Windows 2000).
  37  */
  38 #include <wspiapi.h>
  39 #endif
  40
  41 #else /* !G_OS_WIN32 */
  42
  43 #include <sys/types.h>
  44 #include <arpa/inet.h>
  45 #include <arpa/nameser.h>
  46 #if defined(HAVE_ARPA_NAMESER_COMPAT_H) && !defined(GETSHORT)
  47 #include <arpa/nameser_compat.h>
  48 #endif
  49
  50 #ifndef T_SRV
  51 #define T_SRV 33
  52 #endif
  53
  54 /* We're supposed to define _GNU_SOURCE to get EAI_NODATA, but that
  55  * won't actually work since <features.h> has already been included at
  56  * this point. So we define __USE_GNU instead.
  57  */
  58 #define __USE_GNU
  59 #include <netdb.h>
  60 #undef __USE_GNU
  61 #include <netinet/in.h>
  62 #include <netinet/tcp.h>
  63 #include <resolv.h>
  64 #include <sys/socket.h>
  65 #include <sys/un.h>
  66
  67 #ifndef _PATH_RESCONF
  68 #define _PATH_RESCONF "/etc/resolv.conf"
  69 #endif
  70
  71 #ifndef CMSG_LEN
  72 /* CMSG_LEN and CMSG_SPACE are defined by RFC 2292, but missing on
  73  * some older platforms.
  74  */
  75 #define CMSG_LEN(len) ((size_t)CMSG_DATA((struct cmsghdr *)NULL) + (len))
  76
  77 /* CMSG_SPACE must add at least as much padding as CMSG_NXTHDR()
  78  * adds. We overestimate here.
  79  */
  80 #define ALIGN_TO_SIZEOF(len, obj) (((len) + sizeof (obj) - 1) & ~(sizeof (obj) - 1))
  81 #define CMSG_SPACE(len) ALIGN_TO_SIZEOF (CMSG_LEN (len), struct cmsghdr)
  82 #endif
  83 #endif
  84
  85 G_BEGIN_DECLS
  86
  87 extern struct addrinfo _g_resolver_addrinfo_hints;
  88
  89 GList *_g_resolver_addresses_from_addrinfo (const char       *hostname,
  90                                             struct addrinfo  *res,
  91                                             gint              gai_retval,
  92                                             GError          **error);
  93
  94 void   _g_resolver_address_to_sockaddr     (GInetAddress            *address,
  95                                             struct sockaddr_storage *sa,
  96                                             gsize                   *len);
  97 char  *_g_resolver_name_from_nameinfo      (GInetAddress     *address,
  98                                             const gchar      *name,
  99                                             gint              gni_retval,
 100                                             GError          **error);
 101
 102 #if defined(G_OS_UNIX)
 103 GList *_g_resolver_targets_from_res_query  (const gchar      *rrname,
 104                                             guchar           *answer,
 105                                             gint              len,
 106                                             gint              herr,
 107                                             GError          **error);
 108 #elif defined(G_OS_WIN32)
 109 GList *_g_resolver_targets_from_DnsQuery   (const gchar      *rrname,
 110                                             DNS_STATUS        status,
 111                                             DNS_RECORD       *results,
 112                                             GError          **error);
 113 #endif
 114
 115 G_END_DECLS
 116
 117 #endif /* __G_NETWORKINGPRIVATE_H__ */