mono/utils/networking.c

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