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);
62 struct _GSocketPrivate
67 gboolean reuse_address;
68 GSocketAddress *local_address;
69 GSocketAddress *remote_address;
73 g_socket_get_property (GObject *object,
78 GSocket *socket = G_SOCKET (object);
83 g_value_set_int (value, socket->priv->fd);
87 g_value_set_boolean (value, socket->priv->blocking);
91 g_value_set_int (value, socket->priv->backlog);
94 case PROP_REUSE_ADDRESS:
95 g_value_set_boolean (value, socket->priv->reuse_address);
98 case PROP_LOCAL_ADDRESS:
99 g_value_set_object (value, socket->priv->local_address);
102 case PROP_REMOTE_ADDRESS:
103 g_value_set_object (value, socket->priv->remote_address);
107 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
112 g_socket_set_property (GObject *object,
117 GSocket *socket = G_SOCKET (object);
122 socket->priv->fd = g_value_get_int (value);
126 g_socket_set_blocking (socket, g_value_get_boolean (value));
130 socket->priv->backlog = g_value_get_int (value);
133 case PROP_REUSE_ADDRESS:
134 g_socket_set_reuse_address (socket, g_value_get_boolean (value));
138 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
143 g_socket_finalize (GObject *object)
145 GSocket *socket = G_SOCKET (object);
147 if (socket->priv->local_address)
148 g_object_unref (socket->priv->local_address);
150 if (socket->priv->remote_address)
151 g_object_unref (socket->priv->remote_address);
153 if (G_OBJECT_CLASS (g_socket_parent_class)->finalize)
154 (*G_OBJECT_CLASS (g_socket_parent_class)->finalize) (object);
158 g_socket_dispose (GObject *object)
160 GSocket *socket = G_SOCKET (object);
162 g_socket_close (socket);
164 if (G_OBJECT_CLASS (g_socket_parent_class)->dispose)
165 (*G_OBJECT_CLASS (g_socket_parent_class)->dispose) (object);
169 g_socket_class_init (GSocketClass *klass)
171 GObjectClass *gobject_class G_GNUC_UNUSED = G_OBJECT_CLASS (klass);
175 g_type_class_add_private (klass, sizeof (GSocketPrivate));
177 gobject_class->finalize = g_socket_finalize;
178 gobject_class->dispose = g_socket_dispose;
179 gobject_class->set_property = g_socket_set_property;
180 gobject_class->get_property = g_socket_get_property;
182 g_object_class_install_property (gobject_class, PROP_FD,
183 g_param_spec_int ("fd",
185 "the socket's file descriptor",
189 G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_BLURB | G_PARAM_STATIC_NICK));
191 g_object_class_install_property (gobject_class, PROP_BLOCKING,
192 g_param_spec_boolean ("blocking",
194 "whether or not this socket is blocking",
196 G_PARAM_READWRITE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_BLURB | G_PARAM_STATIC_NICK));
198 g_object_class_install_property (gobject_class, PROP_BACKLOG,
199 g_param_spec_int ("backlog",
201 "outstanding connections in the listen queue",
205 G_PARAM_READWRITE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_BLURB | G_PARAM_STATIC_NICK));
207 g_object_class_install_property (gobject_class, PROP_REUSE_ADDRESS,
208 g_param_spec_boolean ("reuse-address",
210 "allow reuse of local addresses when binding",
212 G_PARAM_READWRITE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_BLURB | G_PARAM_STATIC_NICK));
214 g_object_class_install_property (gobject_class, PROP_LOCAL_ADDRESS,
215 g_param_spec_object ("local-address",
217 "the local address the socket is bound to",
218 G_TYPE_SOCKET_ADDRESS,
219 G_PARAM_READABLE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_BLURB | G_PARAM_STATIC_NICK));
221 g_object_class_install_property (gobject_class, PROP_REMOTE_ADDRESS,
222 g_param_spec_object ("remote-address",
224 "the remote address the socket is connected to",
225 G_TYPE_SOCKET_ADDRESS,
226 G_PARAM_READABLE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_BLURB | G_PARAM_STATIC_NICK));
230 g_socket_init (GSocket *socket)
232 socket->priv = G_TYPE_INSTANCE_GET_PRIVATE (socket, G_TYPE_SOCKET, GSocketPrivate);
234 socket->priv->fd = -1;
235 socket->priv->blocking = TRUE;
236 socket->priv->backlog = 10;
237 socket->priv->remote_address = NULL;
238 socket->priv->local_address = NULL;
242 g_socket_new (GSocketDomain domain, GSocketType type, const gchar *protocol, GError **error)
244 static GStaticMutex getprotobyname_mutex = G_STATIC_MUTEX_INIT;
245 gint fd, native_domain, native_type, native_protocol;
249 case G_SOCKET_DOMAIN_INET:
250 native_domain = PF_INET;
253 case G_SOCKET_DOMAIN_INET6:
254 native_domain = PF_INET6;
257 case G_SOCKET_DOMAIN_UNIX:
258 native_domain = PF_UNIX;
262 g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED, "unsupported socket domain");
268 case G_SOCKET_TYPE_STREAM:
269 native_type = SOCK_STREAM;
272 case G_SOCKET_TYPE_DATAGRAM:
273 native_type = SOCK_DGRAM;
276 case G_SOCKET_TYPE_SEQPACKET:
277 native_type = SOCK_SEQPACKET;
281 g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED, "unsupported socket type");
285 if (protocol == NULL)
289 struct protoent *ent;
290 g_static_mutex_lock (&getprotobyname_mutex);
291 if (!(ent = getprotobyname (protocol)))
293 g_static_mutex_unlock (&getprotobyname_mutex);
294 g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED, "unsupported socket protocol");
297 native_protocol = ent->p_proto;
298 g_static_mutex_unlock (&getprotobyname_mutex);
301 fd = socket(native_domain, native_type, native_protocol);
305 g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errno), "unable to create socket: %s", g_strerror (errno));
309 return G_SOCKET (g_object_new (G_TYPE_SOCKET, "fd", fd, "blocking", TRUE, NULL));
313 g_socket_new_from_fd (gint fd)
318 if ((arg = fcntl (fd, F_GETFL, NULL)) < 0)
319 g_warning ("Error getting socket status flags: %s", g_strerror (errno));
321 blocking = ((arg & O_NONBLOCK) == 0);
323 return G_SOCKET (g_object_new (G_TYPE_SOCKET, "fd", fd, "blocking", blocking, NULL));
327 g_socket_set_blocking (GSocket *socket,
332 g_return_if_fail (G_IS_SOCKET (socket));
334 if ((arg = fcntl (socket->priv->fd, F_GETFL, NULL)) < 0)
335 g_warning ("Error getting socket status flags: %s", g_strerror (errno));
337 arg = blocking ? arg & ~O_NONBLOCK : arg | O_NONBLOCK;
339 if (fcntl (socket->priv->fd, F_SETFL, arg) < 0)
340 g_warning ("Error setting socket status flags: %s", g_strerror (errno));
342 socket->priv->blocking = blocking;
346 g_socket_get_blocking (GSocket *socket)
348 g_return_val_if_fail (G_IS_SOCKET (socket), FALSE);
350 return socket->priv->blocking;
354 g_socket_set_reuse_address (GSocket *socket,
357 gint value = (gint) reuse;
359 g_return_if_fail (G_IS_SOCKET (socket));
361 if (setsockopt (socket->priv->fd, SOL_SOCKET, SO_REUSEADDR, (gpointer) &value, sizeof (value)) < 0)
362 g_warning ("error setting reuse address: %s", g_strerror (errno));
364 socket->priv->reuse_address = reuse;
368 g_socket_get_reuse_address (GSocket *socket)
370 g_return_val_if_fail (G_IS_SOCKET (socket), FALSE);
372 return socket->priv->reuse_address;
376 g_socket_get_local_address (GSocket *socket,
382 g_return_val_if_fail (G_IS_SOCKET (socket), NULL);
384 if (socket->priv->local_address)
385 return socket->priv->local_address;
387 if (getsockname (socket->priv->fd, (struct sockaddr *) buffer, &len) < 0)
389 g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errno), "could not get local address: %s", g_strerror (errno));
393 return (socket->priv->local_address = g_object_ref_sink (g_socket_address_from_native (buffer, len)));
397 g_socket_get_remote_address (GSocket *socket,
403 g_return_val_if_fail (G_IS_SOCKET (socket), NULL);
405 if (socket->priv->remote_address)
406 return socket->priv->remote_address;
408 if (getpeername (socket->priv->fd, (struct sockaddr *) buffer, &len) < 0)
410 g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errno), "could not get remote address: %s", g_strerror (errno));
414 return (socket->priv->remote_address = g_object_ref_sink (g_socket_address_from_native (buffer, len)));
418 g_socket_listen (GSocket *socket,
421 g_return_val_if_fail (G_IS_SOCKET (socket), FALSE);
423 if (listen (socket->priv->fd, socket->priv->backlog) < 0)
425 g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errno), "could not listen: %s", g_strerror (errno));
433 g_socket_bind (GSocket *socket,
434 GSocketAddress *address,
437 g_return_val_if_fail (G_IS_SOCKET (socket) && G_IS_SOCKET_ADDRESS (address), FALSE);
442 if (!g_socket_address_to_native (address, addr))
445 if (bind (socket->priv->fd, (struct sockaddr *) addr, g_socket_address_native_size (address)) < 0)
447 g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errno), "error binding to address: %s", g_strerror (errno));
451 g_object_ref_sink (address);
453 socket->priv->local_address = address;
460 g_socket_accept (GSocket *socket,
465 if ((ret = accept (socket->priv->fd, NULL, 0)) < 0)
467 g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errno), "error accepting connection: %s", g_strerror (errno));
471 return g_socket_new_from_fd (ret);
475 g_socket_connect (GSocket *socket,
476 GSocketAddress *address,
481 g_return_val_if_fail (G_IS_SOCKET (socket) && G_IS_SOCKET_ADDRESS (address), FALSE);
483 g_socket_address_to_native (address, buffer);
485 if (connect (socket->priv->fd, (struct sockaddr *) buffer, g_socket_address_native_size (address)) < 0)
487 if (errno == EINPROGRESS)
488 g_set_error (error, G_IO_ERROR, G_IO_ERROR_PENDING, "connection in progress");
490 g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errno), "error connecting: %s", g_strerror (errno));
494 socket->priv->remote_address = g_object_ref_sink (address);
500 g_socket_receive (GSocket *socket,
507 g_return_val_if_fail (G_IS_SOCKET (socket) && buffer != NULL, FALSE);
509 if ((ret = recv (socket->priv->fd, buffer, size, 0)) < 0)
511 g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errno), "error receiving data: %s", g_strerror (errno));
519 g_socket_send (GSocket *socket,
526 g_return_val_if_fail (G_IS_SOCKET (socket) && buffer != NULL, FALSE);
528 if ((ret = send (socket->priv->fd, buffer, size, 0)) < 0)
530 g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errno), "error sending data: %s", g_strerror (errno));
538 g_socket_close (GSocket *socket)
540 g_return_if_fail (G_IS_SOCKET (socket));
543 closesocket (socket->priv->fd);
545 close (socket->priv->fd);
550 g_socket_create_source (GSocket *socket,
551 GIOCondition condition,
552 GCancellable *cancellable)
554 g_return_val_if_fail (G_IS_SOCKET (socket) && (cancellable == NULL || G_IS_CANCELLABLE (cancellable)), NULL);
556 return _g_fd_source_new (socket->priv->fd, G_IO_IN | G_IO_HUP | G_IO_ERR, cancellable);