mono/utils/networking.c

   1 /**
   2  * \file
   3  * Portable networking functions
   4  *
   5  * Author:
   6  *      Rodrigo Kumpera (kumpera@gmail.com)
   7  *
   8  * (C) 2015 Xamarin
   9  */
  10
  11 #include <mono/utils/networking.h>
  12 #include <glib.h>
  13
  14 int
  15 mono_address_size_for_family (int family)
  16 {
  17         switch (family) {
  18         case AF_INET:
  19                 return sizeof (struct in_addr);
  20 #ifdef HAVE_STRUCT_SOCKADDR_IN6
  21         case AF_INET6:
  22                 return sizeof (struct in6_addr);
  23 #endif
  24         }
  25         return 0;
  26 }
  27
  28
  29 void
  30 mono_free_address_info (MonoAddressInfo *ai)
  31 {
  32         MonoAddressEntry *cur = ai->entries, *next;
  33         while (cur) {
  34                 next = cur->next;
  35                 g_free ((void*)cur->canonical_name);
  36                 g_free (cur);
  37                 cur = next;
  38         }
  39         g_strfreev (ai->aliases);
  40         g_free (ai);
  41 }
  42
  43
  44 /* port in host order, address in network order */
  45 void
  46 mono_socket_address_init (MonoSocketAddress *sa, socklen_t *len, int family, const void *address, int port)
  47 {
  48         memset (sa, 0, sizeof (MonoSocketAddress));
  49         if (family == AF_INET) {
  50                 *len = sizeof (struct sockaddr_in);
  51
  52                 sa->v4.sin_family = family;
  53                 sa->v4.sin_addr = *(struct in_addr*)address;
  54                 sa->v4.sin_port = htons (port);
  55 #if HAVE_SOCKADDR_IN_SIN_LEN
  56                 sa->v4.sin_len = sizeof (*len);
  57 #endif
  58 #ifdef HAVE_STRUCT_SOCKADDR_IN6
  59         } else if (family == AF_INET6) {
  60                 *len = sizeof (struct sockaddr_in6);
  61
  62                 sa->v6.sin6_family = family;
  63                 sa->v6.sin6_addr = *(struct in6_addr*)address;
  64                 sa->v6.sin6_port = htons (port);
  65 #if HAVE_SOCKADDR_IN6_SIN_LEN
  66                 sa->v6.sin6_len = sizeof (*len);
  67 #endif
  68 #endif
  69         } else {
  70                 g_error ("Cannot handle address family %d", family);
  71         }
  72 }
  73
  74 void
  75 mono_address_init (MonoAddress *out_addr, int family, void *in_addr)
  76 {
  77         memset (out_addr, 0, sizeof (MonoAddress));
  78         out_addr->family = family;
  79         memcpy (&out_addr->addr, in_addr, mono_address_size_for_family (family));
  80 }