gio/ginetsocketaddress.c

   1 /* GIO - GLib Input, Output and Streaming Library
   2  *
   3  * Copyright (C) 2008 Christian Kellner, Samuel Cormier-Iijima
   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  * Authors: Christian Kellner <gicmo@gnome.org>
  21  *          Samuel Cormier-Iijima <sciyoshi@gmail.com>
  22  */
  23
  24 #include <config.h>
  25 #include <glib.h>
  26 #include <string.h>
  27
  28 #include "ginetsocketaddress.h"
  29 #include "ginetaddress.h"
  30 #include "gnetworkingprivate.h"
  31
  32 #include "gioalias.h"
  33
  34 /**
  35  * SECTION:ginetsocketaddress
  36  * @short_description: Internet socket addresses
  37  *
  38  * An IPv4 or IPv6 socket address; that is, the combination of a
  39  * #GInetAddress and a port number.
  40  **/
  41
  42 /**
  43  * GInetSocketAddress:
  44  *
  45  * An IPv4 or IPv6 socket address, corresponding to a <type>struct
  46  * sockaddr_in</type> or <type>struct sockaddr_in6</type>.
  47  **/
  48 G_DEFINE_TYPE (GInetSocketAddress, g_inet_socket_address, G_TYPE_SOCKET_ADDRESS);
  49
  50 enum {
  51   PROP_0,
  52   PROP_ADDRESS,
  53   PROP_PORT
  54 };
  55
  56 struct _GInetSocketAddressPrivate
  57 {
  58   GInetAddress *address;
  59   guint16       port;
  60 };
  61
  62 static void
  63 g_inet_socket_address_finalize (GObject *object)
  64 {
  65   GInetSocketAddress *address G_GNUC_UNUSED = G_INET_SOCKET_ADDRESS (object);
  66
  67   if (G_OBJECT_CLASS (g_inet_socket_address_parent_class)->finalize)
  68     (*G_OBJECT_CLASS (g_inet_socket_address_parent_class)->finalize) (object);
  69 }
  70
  71 static void
  72 g_inet_socket_address_dispose (GObject *object)
  73 {
  74   GInetSocketAddress *address G_GNUC_UNUSED = G_INET_SOCKET_ADDRESS (object);
  75
  76   g_object_unref (address->priv->address);
  77
  78   if (G_OBJECT_CLASS (g_inet_socket_address_parent_class)->dispose)
  79     (*G_OBJECT_CLASS (g_inet_socket_address_parent_class)->dispose) (object);
  80 }
  81
  82 static void
  83 g_inet_socket_address_get_property (GObject    *object,
  84                                     guint       prop_id,
  85                                     GValue     *value,
  86                                     GParamSpec *pspec)
  87 {
  88   GInetSocketAddress *address = G_INET_SOCKET_ADDRESS (object);
  89
  90   switch (prop_id)
  91     {
  92       case PROP_ADDRESS:
  93         g_value_set_object (value, address->priv->address);
  94         break;
  95
  96       case PROP_PORT:
  97         g_value_set_uint (value, address->priv->port);
  98         break;
  99
 100       default:
 101         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 102     }
 103 }
 104
 105 static void
 106 g_inet_socket_address_set_property (GObject      *object,
 107                                     guint         prop_id,
 108                                     const GValue *value,
 109                                     GParamSpec   *pspec)
 110 {
 111   GInetSocketAddress *address = G_INET_SOCKET_ADDRESS (object);
 112
 113   switch (prop_id)
 114     {
 115       case PROP_ADDRESS:
 116         address->priv->address = g_object_ref (g_value_get_object (value));
 117         break;
 118
 119       case PROP_PORT:
 120         address->priv->port = (guint16) g_value_get_uint (value);
 121         break;
 122
 123       default:
 124         G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
 125     }
 126 }
 127
 128 static GSocketFamily
 129 g_inet_socket_address_get_family (GSocketAddress *address)
 130 {
 131   GInetSocketAddress *addr;
 132
 133   g_return_val_if_fail (G_IS_INET_SOCKET_ADDRESS (address), 0);
 134
 135   addr = G_INET_SOCKET_ADDRESS (address);
 136
 137   return g_inet_address_get_family (addr->priv->address);
 138 }
 139
 140 static gssize
 141 g_inet_socket_address_get_native_size (GSocketAddress *address)
 142 {
 143   GInetSocketAddress *addr;
 144   GSocketFamily family;
 145
 146   g_return_val_if_fail (G_IS_INET_SOCKET_ADDRESS (address), 0);
 147
 148   addr = G_INET_SOCKET_ADDRESS (address);
 149   family = g_inet_address_get_family (addr->priv->address);
 150
 151   if (family == AF_INET)
 152     return sizeof (struct sockaddr_in);
 153   else if (family == AF_INET6)
 154     return sizeof (struct sockaddr_in6);
 155   else
 156     return -1;
 157 }
 158
 159 static gboolean
 160 g_inet_socket_address_to_native (GSocketAddress *address,
 161                                  gpointer        dest,
 162                                  gsize           destlen)
 163 {
 164   GInetSocketAddress *addr;
 165   GSocketFamily family;
 166
 167   g_return_val_if_fail (G_IS_INET_SOCKET_ADDRESS (address), 0);
 168
 169   addr = G_INET_SOCKET_ADDRESS (address);
 170   family = g_inet_address_get_family (addr->priv->address);
 171
 172   if (family == AF_INET)
 173     {
 174       struct sockaddr_in *sock = (struct sockaddr_in *) dest;
 175
 176       if (destlen < sizeof (*sock))
 177         return FALSE;
 178
 179       sock->sin_family = AF_INET;
 180       sock->sin_port = g_htons (addr->priv->port);
 181       memcpy (&(sock->sin_addr.s_addr), g_inet_address_to_bytes (addr->priv->address), sizeof (sock->sin_addr));
 182       memset (sock->sin_zero, 0, sizeof (sock->sin_zero));
 183       return TRUE;
 184     }
 185   else if (family == AF_INET6)
 186     {
 187       struct sockaddr_in6 *sock = (struct sockaddr_in6 *) dest;
 188
 189       if (destlen < sizeof (*sock))
 190         return FALSE;
 191
 192       memset (sock, 0, sizeof (sock));
 193       sock->sin6_family = AF_INET6;
 194       sock->sin6_port = g_htons (addr->priv->port);
 195       memcpy (&(sock->sin6_addr.s6_addr), g_inet_address_to_bytes (addr->priv->address), sizeof (sock->sin6_addr));
 196       return TRUE;
 197     }
 198   else
 199     return FALSE;
 200 }
 201
 202 static void
 203 g_inet_socket_address_class_init (GInetSocketAddressClass *klass)
 204 {
 205   GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
 206   GSocketAddressClass *gsocketaddress_class = G_SOCKET_ADDRESS_CLASS (klass);
 207
 208   g_type_class_add_private (klass, sizeof (GInetSocketAddressPrivate));
 209
 210   gobject_class->finalize = g_inet_socket_address_finalize;
 211   gobject_class->dispose = g_inet_socket_address_dispose;
 212   gobject_class->set_property = g_inet_socket_address_set_property;
 213   gobject_class->get_property = g_inet_socket_address_get_property;
 214
 215   gsocketaddress_class->get_family = g_inet_socket_address_get_family;
 216   gsocketaddress_class->to_native = g_inet_socket_address_to_native;
 217   gsocketaddress_class->get_native_size = g_inet_socket_address_get_native_size;
 218
 219   g_object_class_install_property (gobject_class, PROP_ADDRESS,
 220                                    g_param_spec_object ("address",
 221                                                         "address",
 222                                                         "address",
 223                                                         G_TYPE_INET_ADDRESS,
 224                                                         G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_BLURB | G_PARAM_STATIC_NICK));
 225
 226   g_object_class_install_property (gobject_class, PROP_PORT,
 227                                    g_param_spec_uint ("port",
 228                                                       "port",
 229                                                       "port",
 230                                                       0,
 231                                                       65535,
 232                                                       0,
 233                                                       G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_BLURB | G_PARAM_STATIC_NICK));
 234 }
 235
 236 static void
 237 g_inet_socket_address_init (GInetSocketAddress *address)
 238 {
 239   address->priv = G_TYPE_INSTANCE_GET_PRIVATE (address,
 240                                                G_TYPE_INET_SOCKET_ADDRESS,
 241                                                GInetSocketAddressPrivate);
 242
 243   address->priv->address = NULL;
 244   address->priv->port = 0;
 245 }
 246
 247 /**
 248  * g_inet_socket_address_new:
 249  * @address: a #GInetAddress
 250  * @port: a port number
 251  *
 252  * Creates a new #GInetSocketAddress for @address and @port.
 253  *
 254  * Returns: a new #GInetSocketAddress
 255  *
 256  * Since: 2.22
 257  */
 258 GSocketAddress *
 259 g_inet_socket_address_new (GInetAddress *address,
 260                            guint16       port)
 261 {
 262   return g_object_new (G_TYPE_INET_SOCKET_ADDRESS,
 263                        "address", address,
 264                        "port", port,
 265                        NULL);
 266 }
 267
 268 /**
 269  * g_inet_socket_address_get_address:
 270  * @address: a #GInetSocketAddress
 271  *
 272  * Gets @address's #GInetAddress.
 273  *
 274  * Returns: the #GInetAddress for @address, which must be
 275  * g_object_ref()'d if it will be stored
 276  *
 277  * Since: 2.22
 278  */
 279 GInetAddress *
 280 g_inet_socket_address_get_address (GInetSocketAddress *address)
 281 {
 282   g_return_val_if_fail (G_IS_INET_SOCKET_ADDRESS (address), NULL);
 283
 284   return address->priv->address;
 285 }
 286
 287 /**
 288  * g_inet_socket_address_get_port:
 289  * @address: a #GInetSocketAddress
 290  *
 291  * Gets @address's port.
 292  *
 293  * Returns: the port for @address
 294  *
 295  * Since: 2.22
 296  */
 297 guint16
 298 g_inet_socket_address_get_port (GInetSocketAddress *address)
 299 {
 300   g_return_val_if_fail (G_IS_INET_SOCKET_ADDRESS (address), 0);
 301
 302   return address->priv->port;
 303 }
 304
 305 #define __G_INET_SOCKET_ADDRESS_C__
 306 #include "gioaliasdef.c"