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);
60 struct _GSocketPrivate
64 GSocketAddress *local_address;
65 GSocketAddress *remote_address;
69 g_socket_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
71 GSocket *socket = G_SOCKET (object);
76 g_value_set_int (value, socket->priv->fd);
80 g_value_set_boolean (value, socket->priv->blocking);
83 case PROP_LOCAL_ADDRESS:
84 g_value_set_object (value, socket->priv->local_address);
87 case PROP_REMOTE_ADDRESS:
88 g_value_set_object (value, socket->priv->remote_address);
92 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
97 g_socket_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
99 GSocket *socket = G_SOCKET (object);
104 socket->priv->fd = g_value_get_int (value);
108 g_socket_set_blocking (socket, g_value_get_boolean (value));
112 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
117 g_socket_finalize (GObject *object)
119 GSocket *socket G_GNUC_UNUSED = G_SOCKET (object);
121 if (G_OBJECT_CLASS (g_socket_parent_class)->finalize)
122 (*G_OBJECT_CLASS (g_socket_parent_class)->finalize) (object);
126 g_socket_dispose (GObject *object)
128 GSocket *socket G_GNUC_UNUSED = G_SOCKET (object);;
130 if (G_OBJECT_CLASS (g_socket_parent_class)->dispose)
131 (*G_OBJECT_CLASS (g_socket_parent_class)->dispose) (object);
135 g_socket_class_init (GSocketClass *klass)
137 GObjectClass *gobject_class G_GNUC_UNUSED = G_OBJECT_CLASS (klass);
141 g_type_class_add_private (klass, sizeof (GSocketPrivate));
143 gobject_class->finalize = g_socket_finalize;
144 gobject_class->dispose = g_socket_dispose;
145 gobject_class->set_property = g_socket_set_property;
146 gobject_class->get_property = g_socket_get_property;
148 g_object_class_install_property (gobject_class, PROP_FD,
149 g_param_spec_int ("fd",
151 "the socket's file descriptor",
155 G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_BLURB | G_PARAM_STATIC_NICK));
157 g_object_class_install_property (gobject_class, PROP_BLOCKING,
158 g_param_spec_boolean ("blocking",
160 "whether or not this socket is blocking",
162 G_PARAM_READWRITE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_BLURB | G_PARAM_STATIC_NICK));
164 g_object_class_install_property (gobject_class, PROP_LOCAL_ADDRESS,
165 g_param_spec_object ("local-address",
167 "the local address the socket is bound to",
168 G_TYPE_SOCKET_ADDRESS,
169 G_PARAM_READABLE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_BLURB | G_PARAM_STATIC_NICK));
171 g_object_class_install_property (gobject_class, PROP_REMOTE_ADDRESS,
172 g_param_spec_object ("remote-address",
174 "the remote address the socket is connected to",
175 G_TYPE_SOCKET_ADDRESS,
176 G_PARAM_READABLE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_BLURB | G_PARAM_STATIC_NICK));
180 g_socket_init (GSocket *socket)
182 socket->priv = G_TYPE_INSTANCE_GET_PRIVATE (socket, G_TYPE_SOCKET, GSocketPrivate);
184 socket->priv->fd = -1;
185 socket->priv->blocking = TRUE;
186 socket->priv->remote_address = NULL;
187 socket->priv->local_address = NULL;
191 g_socket_new (GSocketDomain domain, GSocketType type, const gchar *protocol, GError **error)
193 static GStaticMutex getprotobyname_mutex = G_STATIC_MUTEX_INIT;
194 gint fd, native_domain, native_type, native_protocol;
198 case G_SOCKET_DOMAIN_INET:
199 native_domain = PF_INET;
202 case G_SOCKET_DOMAIN_INET6:
203 native_domain = PF_INET6;
206 case G_SOCKET_DOMAIN_UNIX:
207 native_domain = PF_UNIX;
211 g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED, "unsupported socket domain");
217 case G_SOCKET_TYPE_STREAM:
218 native_type = SOCK_STREAM;
221 case G_SOCKET_TYPE_DATAGRAM:
222 native_type = SOCK_DGRAM;
225 case G_SOCKET_TYPE_SEQPACKET:
226 native_type = SOCK_SEQPACKET;
230 g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED, "unsupported socket type");
234 if (protocol == NULL)
238 struct protoent *ent;
239 g_static_mutex_lock (&getprotobyname_mutex);
240 if (!(ent = getprotobyname (protocol)))
242 g_static_mutex_unlock (&getprotobyname_mutex);
243 g_set_error (error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED, "unsupported socket protocol");
246 native_protocol = ent->p_proto;
247 g_static_mutex_unlock (&getprotobyname_mutex);
250 fd = socket(native_domain, native_type, native_protocol);
254 g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errno), "unable to create socket: %s", g_strerror (errno));
258 return G_SOCKET (g_object_new (G_TYPE_SOCKET, "fd", fd, "blocking", TRUE, NULL));
262 g_socket_new_from_fd (gint fd)
267 if ((arg = fcntl (fd, F_GETFL, NULL)) < 0)
268 g_warning ("Error getting socket status flags: %s", g_strerror (errno));
270 blocking = ((arg & O_NONBLOCK) == 0);
272 return G_SOCKET (g_object_new (G_TYPE_SOCKET, "fd", fd, "blocking", blocking, NULL));
276 g_socket_set_blocking (GSocket *socket,
281 g_return_if_fail (G_IS_SOCKET (socket));
283 if ((arg = fcntl (socket->priv->fd, F_GETFL, NULL)) < 0)
284 g_warning ("Error getting socket status flags: %s", g_strerror (errno));
286 arg = blocking ? arg & ~O_NONBLOCK : arg | O_NONBLOCK;
288 if (fcntl (socket->priv->fd, F_SETFL, arg) < 0)
289 g_warning ("Error setting socket status flags: %s", g_strerror (errno));
291 socket->priv->blocking = blocking;
295 g_socket_get_blocking (GSocket *socket)
297 g_return_val_if_fail (G_IS_SOCKET (socket), FALSE);
299 return socket->priv->blocking;
303 g_socket_get_local_address (GSocket *socket,
309 g_return_val_if_fail (G_IS_SOCKET (socket), NULL);
311 if (socket->priv->local_address)
312 return socket->priv->local_address;
314 if (getsockname (socket->priv->fd, (struct sockaddr *) buffer, &len) < 0)
316 g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errno), "could not get local address: %s", g_strerror (errno));
320 return (socket->priv->local_address = g_object_ref_sink (g_socket_address_from_native (buffer, len)));
324 g_socket_get_remote_address (GSocket *socket,
330 g_return_val_if_fail (G_IS_SOCKET (socket), NULL);
332 if (socket->priv->remote_address)
333 return socket->priv->remote_address;
335 if (getpeername (socket->priv->fd, (struct sockaddr *) buffer, &len) < 0)
337 g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errno), "could not get remote address: %s", g_strerror (errno));
341 return (socket->priv->remote_address = g_object_ref_sink (g_socket_address_from_native (buffer, len)));
345 g_socket_listen (GSocket *socket,
348 g_return_if_fail (G_IS_SOCKET (socket));
350 listen (socket->priv->fd, backlog);
354 g_socket_bind (GSocket *socket,
355 GSocketAddress *address,
358 g_return_val_if_fail (G_IS_SOCKET (socket) && G_IS_SOCKET_ADDRESS (address), FALSE);
363 if (!g_socket_address_to_native (address, addr))
366 if (bind (socket->priv->fd, (struct sockaddr *) addr, g_socket_address_native_size (address)) < 0)
368 g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errno), "error binding to address: %s", g_strerror (errno));
372 g_object_ref_sink (address);
374 socket->priv->local_address = address;
381 g_socket_accept (GSocket *socket,
386 if ((ret = accept (socket->priv->fd, NULL, 0)) < 0)
388 g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errno), "error accepting connection");
392 return g_socket_new_from_fd (ret);
396 g_socket_connect (GSocket *socket,
397 GSocketAddress *address,
402 g_return_val_if_fail (G_IS_SOCKET (socket) && G_IS_SOCKET_ADDRESS (address), FALSE);
404 g_socket_address_to_native (address, buffer);
406 if (connect (socket->priv->fd, (struct sockaddr *) buffer, g_socket_address_native_size (address)) < 0)
408 if (errno == EINPROGRESS)
409 g_set_error (error, G_IO_ERROR, G_IO_ERROR_PENDING, "connection in progress");
411 g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errno), "error connecting: %s", g_strerror (errno));
415 socket->priv->remote_address = g_object_ref_sink (address);
421 g_socket_receive (GSocket *socket,
428 g_return_val_if_fail (G_IS_SOCKET (socket) && buffer != NULL, FALSE);
430 if ((ret = recv (socket->priv->fd, buffer, size, 0)) < 0)
432 g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errno), "error receiving data: %s", g_strerror (errno));
440 g_socket_send (GSocket *socket,
447 g_return_val_if_fail (G_IS_SOCKET (socket) && buffer != NULL, FALSE);
449 if ((ret = send (socket->priv->fd, buffer, size, 0)) < 0)
451 g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errno), "error receiving data: %s", g_strerror (errno));
459 g_socket_close (GSocket *socket)
461 g_return_if_fail (G_IS_SOCKET (socket));
464 closesocket (socket->priv->fd);
466 close (socket->priv->fd);