1 /* GNIO - GLib Network Layer of GIO
3 * Copyright (C) 2008 Christian Kellner, Samuel Cormier-Iijima
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.
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.
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.
20 * Authors: Christian Kellner <gicmo@gnome.org>
21 * Samuel Cormier-Iijima <sciyoshi@gmail.com>
27 #include <gio/gasynchelper.h>
31 # include <netinet/in.h>
32 # include <arpa/inet.h>
36 # include <sys/types.h>
42 #include "ginetaddress.h"
43 #include "ginet4address.h"
44 #include "ginet6address.h"
46 #include "gnioerror.h"
47 #include "ginetsocketaddress.h"
49 G_DEFINE_TYPE (GSocket, g_socket, G_TYPE_OBJECT);
58 struct _GSocketPrivate
65 g_socket_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
67 GSocket *socket = G_SOCKET (object);
72 g_value_set_int (value, socket->priv->fd);
76 g_value_set_boolean (value, socket->priv->blocking);
80 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
85 g_socket_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
87 GSocket *socket = G_SOCKET (object);
92 socket->priv->fd = g_value_get_int (value);
96 g_socket_set_blocking (socket, g_value_get_boolean (value));
100 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
105 g_socket_finalize (GObject *object)
107 GSocket *socket G_GNUC_UNUSED = G_SOCKET (object);
109 if (G_OBJECT_CLASS (g_socket_parent_class)->finalize)
110 (*G_OBJECT_CLASS (g_socket_parent_class)->finalize) (object);
114 g_socket_dispose (GObject *object)
116 GSocket *socket G_GNUC_UNUSED = G_SOCKET (object);;
118 if (G_OBJECT_CLASS (g_socket_parent_class)->dispose)
119 (*G_OBJECT_CLASS (g_socket_parent_class)->dispose) (object);
123 g_socket_class_init (GSocketClass *klass)
125 GObjectClass *gobject_class G_GNUC_UNUSED = G_OBJECT_CLASS (klass);
127 g_type_class_add_private (klass, sizeof (GSocketPrivate));
129 gobject_class->finalize = g_socket_finalize;
130 gobject_class->dispose = g_socket_dispose;
131 gobject_class->set_property = g_socket_set_property;
132 gobject_class->get_property = g_socket_get_property;
134 g_object_class_install_property (gobject_class, PROP_FD,
135 g_param_spec_int ("fd",
137 "the socket's file descriptor",
141 G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_BLURB | G_PARAM_STATIC_NICK));
143 g_object_class_install_property (gobject_class, PROP_BLOCKING,
144 g_param_spec_boolean ("blocking",
146 "whether or not this socket is blocking",
148 G_PARAM_READWRITE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_BLURB | G_PARAM_STATIC_NICK));
152 g_socket_init (GSocket *socket)
154 socket->priv = G_TYPE_INSTANCE_GET_PRIVATE (socket, G_TYPE_SOCKET, GSocketPrivate);
156 socket->priv->fd = -1;
157 socket->priv->blocking = TRUE;
161 g_socket_new (gint domain, gint type, gint protocol)
165 sock = socket(domain, type, protocol);
170 return G_SOCKET (g_object_new (G_TYPE_SOCKET, "fd", sock, NULL));
174 g_socket_new_from_fd (gint fd)
179 if ((arg = fcntl (fd, F_GETFL, NULL)) < 0)
180 g_warning ("Error getting socket status flags: %s", g_strerror (errno));
182 blocking = ((arg & O_NONBLOCK) != 0);
184 return G_SOCKET (g_object_new (G_TYPE_SOCKET, "blocking", blocking, "fd", fd, NULL));
188 g_socket_set_blocking (GSocket *socket,
193 g_return_if_fail (G_IS_SOCKET (socket));
195 if ((arg = fcntl (socket->priv->fd, F_GETFL, NULL)) < 0)
196 g_warning ("Error getting socket status flags: %s", g_strerror (errno));
198 arg = blocking ? arg & ~O_NONBLOCK : arg | O_NONBLOCK;
200 if (fcntl (socket->priv->fd, F_SETFL, arg) < 0)
201 g_warning ("Error setting socket status flags: %s", g_strerror (errno));
203 socket->priv->blocking = blocking;
207 g_socket_get_blocking (GSocket *socket)
209 g_return_val_if_fail (G_IS_SOCKET (socket), FALSE);
211 return socket->priv->blocking;
215 g_socket_get_peer_address (GSocket *socket,
221 g_return_val_if_fail (G_IS_SOCKET (socket), NULL);
223 if (getpeername (socket->priv->fd, (struct sockaddr *) buffer, &len) < 0)
225 g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errno), "could not get peer address");
229 return g_socket_address_from_native (buffer, len);
233 g_socket_listen (GSocket *socket,
236 g_return_if_fail (G_IS_SOCKET (socket));
238 listen (socket->priv->fd, backlog);
242 g_socket_bind (GSocket *socket,
243 GSocketAddress *address,
246 g_return_val_if_fail (G_IS_SOCKET (socket) && G_IS_SOCKET_ADDRESS (address), FALSE);
251 if (!g_socket_address_to_native (address, addr))
254 if (bind (socket->priv->fd, (struct sockaddr *) addr, g_socket_address_native_size (address)) < 0)
260 g_object_unref (address);
267 g_socket_accept (GSocket *socket,
268 GCancellable *cancellable,
273 if (g_cancellable_set_error_if_cancelled (cancellable, error))
276 if ((ret = accept (socket->priv->fd, NULL, 0)) < 0)
278 g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errno), "error accepting connection");
282 if (g_cancellable_set_error_if_cancelled (cancellable, error))
288 return g_socket_new_from_fd (ret);
292 GAsyncReadyCallback callback;
293 GCancellable *cancellable;
299 accept_callback (AcceptData *data,
300 GIOCondition condition,
304 GSimpleAsyncResult *result;
307 socket = data->socket;
309 if (condition & G_IO_IN)
311 if ((ret = accept (socket->priv->fd, NULL, 0)) < 0)
316 result = g_simple_async_result_new_error (G_OBJECT (socket), data->callback, data->user_data, G_IO_ERROR, g_io_error_from_errno (errno), "error accepting connection");
320 result = g_simple_async_result_new (G_OBJECT (socket), data->callback, data->user_data, g_socket_accept_async);
322 g_simple_async_result_set_op_res_gpointer (result, g_socket_new_from_fd (ret), g_object_unref);
324 g_simple_async_result_complete (result);
326 g_object_unref (result);
333 g_socket_accept_async (GSocket *socket,
334 GCancellable *cancellable,
335 GAsyncReadyCallback callback,
339 GSimpleAsyncResult *result;
343 g_return_if_fail (G_IS_SOCKET (socket));
345 if (g_socket_get_blocking (socket))
346 g_socket_set_blocking (socket, FALSE);
348 if ((ret = accept (socket->priv->fd, NULL, 0)) < 0)
352 source = _g_fd_source_new (socket->priv->fd, G_IO_IN | G_IO_HUP | G_IO_ERR, cancellable);
354 data = g_new (AcceptData, 1);
356 data->socket = socket;
357 data->callback = callback;
358 data->cancellable = cancellable;
359 data->user_data = user_data;
361 g_source_set_callback (source, (GSourceFunc) accept_callback, data, g_free);
363 g_source_attach (source, NULL);
367 g_simple_async_report_error_in_idle (G_OBJECT (socket), callback, user_data, G_IO_ERROR, g_io_error_from_errno (errno), "error accepting connection");
372 result = g_simple_async_result_new (G_OBJECT (socket), callback, user_data, g_socket_accept_async);
374 g_simple_async_result_set_op_res_gpointer (result, g_socket_new_from_fd (ret), g_object_unref);
376 g_simple_async_result_complete_in_idle (result);
378 g_object_unref (result);
383 g_socket_accept_finish (GSocket *socket,
384 GAsyncResult *result,
388 GSimpleAsyncResult *simple;
390 g_return_val_if_fail (G_IS_SOCKET (socket), NULL);
392 simple = G_SIMPLE_ASYNC_RESULT (result);
394 if (g_simple_async_result_propagate_error (simple, error))
397 g_warn_if_fail (g_simple_async_result_get_source_tag (simple) == g_socket_accept_async);
399 new_socket = g_object_ref (g_simple_async_result_get_op_res_gpointer (simple));
405 g_socket_connect (GSocket *socket,
406 GSocketAddress *address,
407 GCancellable *cancellable,
412 g_return_val_if_fail (G_IS_SOCKET (socket) && G_IS_SOCKET_ADDRESS (address), FALSE);
414 g_socket_address_to_native (address, buffer);
416 if (connect (socket->priv->fd, (struct sockaddr *) buffer, g_socket_address_native_size (address)) < 0)
418 if (errno == EINPROGRESS)
419 g_set_error (error, G_IO_ERROR, G_IO_ERROR_PENDING, "connection in progress");
421 g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errno), "error connecting: %s", g_strerror (errno));
429 GAsyncReadyCallback callback;
430 GCancellable *cancellable;
433 gchar address_buffer[256];
434 gsize address_length;
438 connect_callback (ConnectData *data,
439 GIOCondition condition,
443 GSimpleAsyncResult *result = NULL;
445 gsize sockerr_size = 1;
447 socket = data->socket;
449 if (condition & G_IO_OUT)
451 result = g_simple_async_result_new (G_OBJECT (socket), data->callback, data->user_data, g_socket_connect_async);
453 else if (condition & G_IO_ERR)
455 if (getsockopt (socket->priv->fd, SOL_SOCKET, SO_ERROR, (gpointer) &sockerr, &sockerr_size) < 0)
456 g_warning ("getsockopt: %s", g_strerror (errno));
459 result = g_simple_async_result_new_error (G_OBJECT (socket), data->callback, data->user_data, G_IO_ERROR, g_io_error_from_errno (sockerr), "error connecting: %s", g_strerror (sockerr));
461 g_warning ("getsockopt SO_ERROR returned no error, with sockerr = %d", sockerr);
464 g_simple_async_result_complete (result);
466 g_object_unref (result);
472 g_socket_connect_async (GSocket *socket,
473 GSocketAddress *address,
474 GCancellable *cancellable,
475 GAsyncReadyCallback callback,
479 GSimpleAsyncResult *result;
485 g_return_if_fail (G_IS_SOCKET (socket) && G_IS_SOCKET_ADDRESS (address));
487 if (g_socket_get_blocking (socket))
488 g_socket_set_blocking (socket, FALSE);
490 g_socket_address_to_native (address, buffer);
492 len = g_socket_address_native_size (address);
494 if ((ret = connect (socket->priv->fd, (struct sockaddr *) buffer, len)) < 0)
496 if (errno == EINPROGRESS)
498 source = _g_fd_source_new (socket->priv->fd, G_IO_OUT | G_IO_ERR, cancellable);
500 data = g_new (ConnectData, 1);
502 data->socket = socket;
503 data->callback = callback;
504 data->cancellable = cancellable;
505 data->user_data = user_data;
506 data->address_length = len;
507 memcpy (data->address_buffer, buffer, len);
509 g_source_set_callback (source, (GSourceFunc) connect_callback, data, g_free);
511 g_source_attach (source, NULL);
515 g_simple_async_report_error_in_idle (G_OBJECT (socket), callback, user_data, G_IO_ERROR, g_io_error_from_errno (errno), "error connecting: %s", g_strerror (errno));
520 result = g_simple_async_result_new (G_OBJECT (socket), callback, user_data, g_socket_connect_async);
522 g_simple_async_result_complete_in_idle (result);
524 g_object_unref (result);
529 g_socket_connect_finish (GSocket *socket,
530 GAsyncResult *result,
533 GSimpleAsyncResult *simple;
535 g_return_val_if_fail (G_IS_SOCKET (socket), FALSE);
537 simple = G_SIMPLE_ASYNC_RESULT (result);
539 if (g_simple_async_result_propagate_error (simple, error))
542 g_warn_if_fail (g_simple_async_result_get_source_tag (simple) == g_socket_connect_async);