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 <gnio/gnio.h>
28 #include "gasynchelper.h"
29 #include "gnioenumtypes.h"
33 # include <netinet/in.h>
34 # include <arpa/inet.h>
38 # include <sys/types.h>
44 #include "ginetaddress.h"
45 #include "ginet4address.h"
46 #include "ginet6address.h"
48 #include "gnioerror.h"
49 #include "ginetsocketaddress.h"
51 G_DEFINE_TYPE (GSocket, g_socket, G_TYPE_OBJECT);
67 struct _GSocketPrivate
75 gboolean reuse_address;
77 GSocketAddress *local_address;
78 GSocketAddress *remote_address;
82 <<<<<<< HEAD:gnio/gsocket.c
83 g_socket_constructed (GObject *object)
85 GSocket *sock = G_SOCKET (object);
87 static GStaticMutex getprotobyname_mutex = G_STATIC_MUTEX_INIT;
88 gint fd, native_domain, native_type, native_protocol;
90 if (sock->priv->fd >= 0)
92 // we've been constructed from an existing file descriptor
96 // TODO: set the socket type with getsockopt (SO_TYPE)
97 // TODO: what should we do about domain and protocol?
99 if ((arg = fcntl (sock->priv->fd, F_GETFL, NULL)) < 0)
100 g_warning ("Error getting socket status flags: %s", g_strerror (errno));
102 blocking = ((arg & O_NONBLOCK) == 0);
107 switch (sock->priv->domain)
109 case G_SOCKET_DOMAIN_INET:
110 native_domain = PF_INET;
113 case G_SOCKET_DOMAIN_INET6:
114 native_domain = PF_INET6;
117 case G_SOCKET_DOMAIN_UNIX:
118 native_domain = PF_UNIX;
122 g_set_error (&error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED, "unsupported socket domain");
126 switch (sock->priv->type)
128 case G_SOCKET_TYPE_STREAM:
129 native_type = SOCK_STREAM;
132 case G_SOCKET_TYPE_DATAGRAM:
133 native_type = SOCK_DGRAM;
136 case G_SOCKET_TYPE_SEQPACKET:
137 native_type = SOCK_SEQPACKET;
141 g_set_error (&error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED, "unsupported socket type");
145 if (sock->priv->protocol == NULL)
149 struct protoent *ent;
150 g_static_mutex_lock (&getprotobyname_mutex);
151 if (!(ent = getprotobyname (sock->priv->protocol)))
153 g_static_mutex_unlock (&getprotobyname_mutex);
154 g_set_error (&error, G_IO_ERROR, G_IO_ERROR_NOT_SUPPORTED, "unsupported socket protocol");
157 native_protocol = ent->p_proto;
158 g_static_mutex_unlock (&getprotobyname_mutex);
161 fd = socket (native_domain, native_type, native_protocol);
165 g_set_error (&error, G_IO_ERROR, g_io_error_from_errno (errno), "unable to create socket: %s", g_strerror (errno));
173 g_socket_get_property (GObject *object,
178 GSocket *socket = G_SOCKET (object);
183 g_value_set_enum (value, socket->priv->domain);
187 g_value_set_enum (value, socket->priv->type);
191 g_value_set_string (value, socket->priv->protocol);
195 g_value_set_int (value, socket->priv->fd);
199 g_value_set_boolean (value, socket->priv->blocking);
203 g_value_set_int (value, socket->priv->backlog);
206 case PROP_REUSE_ADDRESS:
207 g_value_set_boolean (value, socket->priv->reuse_address);
210 case PROP_LOCAL_ADDRESS:
211 g_value_set_object (value, socket->priv->local_address);
214 case PROP_REMOTE_ADDRESS:
215 g_value_set_object (value, socket->priv->remote_address);
219 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
224 g_socket_set_property (GObject *object,
229 GSocket *socket = G_SOCKET (object);
234 socket->priv->domain = g_value_get_enum (value);
238 socket->priv->type = g_value_get_enum (value);
242 socket->priv->protocol = g_value_dup_string (value);
246 socket->priv->fd = g_value_get_int (value);
250 g_socket_set_blocking (socket, g_value_get_boolean (value));
254 socket->priv->backlog = g_value_get_int (value);
257 case PROP_REUSE_ADDRESS:
258 g_socket_set_reuse_address (socket, g_value_get_boolean (value));
262 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
267 g_socket_finalize (GObject *object)
269 GSocket *socket = G_SOCKET (object);
271 if (socket->priv->local_address)
272 g_object_unref (socket->priv->local_address);
274 if (socket->priv->remote_address)
275 g_object_unref (socket->priv->remote_address);
277 if (G_OBJECT_CLASS (g_socket_parent_class)->finalize)
278 (*G_OBJECT_CLASS (g_socket_parent_class)->finalize) (object);
282 g_socket_dispose (GObject *object)
284 GSocket *socket = G_SOCKET (object);
286 g_free (socket->priv->protocol);
288 g_clear_error (&socket->priv->error);
290 g_socket_close (socket);
292 if (G_OBJECT_CLASS (g_socket_parent_class)->dispose)
293 (*G_OBJECT_CLASS (g_socket_parent_class)->dispose) (object);
297 g_socket_class_init (GSocketClass *klass)
299 GObjectClass *gobject_class G_GNUC_UNUSED = G_OBJECT_CLASS (klass);
303 g_type_class_add_private (klass, sizeof (GSocketPrivate));
305 gobject_class->finalize = g_socket_finalize;
306 gobject_class->dispose = g_socket_dispose;
307 gobject_class->constructed = g_socket_constructed;
308 gobject_class->set_property = g_socket_set_property;
309 gobject_class->get_property = g_socket_get_property;
311 g_object_class_install_property (gobject_class, PROP_DOMAIN,
312 g_param_spec_enum ("domain",
314 "the socket's domain",
315 G_TYPE_SOCKET_DOMAIN,
316 G_SOCKET_DOMAIN_INET,
317 G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_BLURB | G_PARAM_STATIC_NICK));
319 g_object_class_install_property (gobject_class, PROP_TYPE,
320 g_param_spec_enum ("type",
324 G_SOCKET_TYPE_STREAM,
325 G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_BLURB | G_PARAM_STATIC_NICK));
327 g_object_class_install_property (gobject_class, PROP_PROTOCOL,
328 g_param_spec_string ("protocol",
330 "the socket's protocol",
332 G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_BLURB | G_PARAM_STATIC_NICK));
334 g_object_class_install_property (gobject_class, PROP_FD,
335 g_param_spec_int ("fd",
337 "the socket's file descriptor",
341 G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_BLURB | G_PARAM_STATIC_NICK));
343 g_object_class_install_property (gobject_class, PROP_BLOCKING,
344 g_param_spec_boolean ("blocking",
346 "whether or not this socket is blocking",
348 G_PARAM_READWRITE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_BLURB | G_PARAM_STATIC_NICK));
350 g_object_class_install_property (gobject_class, PROP_BACKLOG,
351 g_param_spec_int ("backlog",
353 "outstanding connections in the listen queue",
357 G_PARAM_READWRITE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_BLURB | G_PARAM_STATIC_NICK));
359 g_object_class_install_property (gobject_class, PROP_REUSE_ADDRESS,
360 g_param_spec_boolean ("reuse-address",
362 "allow reuse of local addresses when binding",
364 G_PARAM_READWRITE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_BLURB | G_PARAM_STATIC_NICK));
366 g_object_class_install_property (gobject_class, PROP_LOCAL_ADDRESS,
367 g_param_spec_object ("local-address",
369 "the local address the socket is bound to",
370 G_TYPE_SOCKET_ADDRESS,
371 G_PARAM_READABLE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_BLURB | G_PARAM_STATIC_NICK));
373 g_object_class_install_property (gobject_class, PROP_REMOTE_ADDRESS,
374 g_param_spec_object ("remote-address",
376 "the remote address the socket is connected to",
377 G_TYPE_SOCKET_ADDRESS,
378 G_PARAM_READABLE | G_PARAM_STATIC_NAME | G_PARAM_STATIC_BLURB | G_PARAM_STATIC_NICK));
382 g_socket_init (GSocket *socket)
384 socket->priv = G_TYPE_INSTANCE_GET_PRIVATE (socket, G_TYPE_SOCKET, GSocketPrivate);
386 socket->priv->fd = -1;
387 socket->priv->blocking = TRUE;
388 socket->priv->backlog = 10;
389 socket->priv->reuse_address = FALSE;
390 socket->priv->error = NULL;
391 socket->priv->remote_address = NULL;
392 socket->priv->local_address = NULL;
396 g_socket_new (GSocketDomain domain, GSocketType type, const gchar *protocol)
398 return G_SOCKET (g_object_new (G_TYPE_SOCKET, "domain", domain, "type", type, "protocol", protocol, NULL));
402 g_socket_new_from_fd (gint fd)
404 return G_SOCKET (g_object_new (G_TYPE_SOCKET, "fd", fd, NULL));
408 g_socket_set_blocking (GSocket *socket,
413 g_return_if_fail (G_IS_SOCKET (socket));
415 if ((arg = fcntl (socket->priv->fd, F_GETFL, NULL)) < 0)
416 g_warning ("Error getting socket status flags: %s", g_strerror (errno));
418 arg = blocking ? arg & ~O_NONBLOCK : arg | O_NONBLOCK;
420 if (fcntl (socket->priv->fd, F_SETFL, arg) < 0)
421 g_warning ("Error setting socket status flags: %s", g_strerror (errno));
423 socket->priv->blocking = blocking;
427 g_socket_get_blocking (GSocket *socket)
429 g_return_val_if_fail (G_IS_SOCKET (socket), FALSE);
431 return socket->priv->blocking;
435 g_socket_set_reuse_address (GSocket *socket,
438 gint value = (gint) reuse;
440 g_return_if_fail (G_IS_SOCKET (socket));
442 if (setsockopt (socket->priv->fd, SOL_SOCKET, SO_REUSEADDR, (gpointer) &value, sizeof (value)) < 0)
443 g_warning ("error setting reuse address: %s", g_strerror (errno));
445 socket->priv->reuse_address = reuse;
449 g_socket_get_reuse_address (GSocket *socket)
451 g_return_val_if_fail (G_IS_SOCKET (socket), FALSE);
453 return socket->priv->reuse_address;
457 g_socket_get_local_address (GSocket *socket,
463 g_return_val_if_fail (G_IS_SOCKET (socket), NULL);
465 if (socket->priv->local_address)
466 return socket->priv->local_address;
468 if (getsockname (socket->priv->fd, (struct sockaddr *) buffer, &len) < 0)
470 g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errno), "could not get local address: %s", g_strerror (errno));
474 return (socket->priv->local_address = g_object_ref_sink (g_socket_address_from_native (buffer, len)));
478 g_socket_get_remote_address (GSocket *socket,
484 g_return_val_if_fail (G_IS_SOCKET (socket), NULL);
486 if (socket->priv->remote_address)
487 return socket->priv->remote_address;
489 if (getpeername (socket->priv->fd, (struct sockaddr *) buffer, &len) < 0)
491 g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errno), "could not get remote address: %s", g_strerror (errno));
495 return (socket->priv->remote_address = g_object_ref_sink (g_socket_address_from_native (buffer, len)));
499 g_socket_has_error (GSocket *socket,
502 g_return_val_if_fail (G_IS_SOCKET (socket), FALSE);
504 if (!socket->priv->error)
511 g_socket_listen (GSocket *socket,
514 g_return_val_if_fail (G_IS_SOCKET (socket), FALSE);
516 if (g_socket_has_error (socket, error))
519 if (listen (socket->priv->fd, socket->priv->backlog) < 0)
521 g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errno), "could not listen: %s", g_strerror (errno));
529 g_socket_bind (GSocket *socket,
530 GSocketAddress *address,
533 g_return_val_if_fail (G_IS_SOCKET (socket) && G_IS_SOCKET_ADDRESS (address), FALSE);
535 if (g_socket_has_error (socket, error))
541 if (!g_socket_address_to_native (address, addr))
544 if (bind (socket->priv->fd, (struct sockaddr *) addr, g_socket_address_native_size (address)) < 0)
546 g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errno), "error binding to address: %s", g_strerror (errno));
550 g_object_ref_sink (address);
552 socket->priv->local_address = address;
559 g_socket_accept (GSocket *socket,
564 g_return_val_if_fail (G_IS_SOCKET (socket), NULL);
566 if (g_socket_has_error (socket, error))
569 if ((ret = accept (socket->priv->fd, NULL, 0)) < 0)
571 g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errno), "error accepting connection: %s", g_strerror (errno));
575 return g_socket_new_from_fd (ret);
579 g_socket_connect (GSocket *socket,
580 GSocketAddress *address,
585 g_return_val_if_fail (G_IS_SOCKET (socket) && G_IS_SOCKET_ADDRESS (address), FALSE);
587 if (g_socket_has_error (socket, error))
590 g_socket_address_to_native (address, buffer);
592 if (connect (socket->priv->fd, (struct sockaddr *) buffer, g_socket_address_native_size (address)) < 0)
594 if (errno == EINPROGRESS)
595 g_set_error (error, G_IO_ERROR, G_IO_ERROR_PENDING, "connection in progress");
597 g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errno), "error connecting: %s", g_strerror (errno));
601 socket->priv->remote_address = g_object_ref_sink (address);
607 g_socket_receive (GSocket *socket,
614 g_return_val_if_fail (G_IS_SOCKET (socket) && buffer != NULL, FALSE);
616 if ((ret = recv (socket->priv->fd, buffer, size, 0)) < 0)
618 g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errno), "error receiving data: %s", g_strerror (errno));
626 g_socket_send (GSocket *socket,
633 g_return_val_if_fail (G_IS_SOCKET (socket) && buffer != NULL, FALSE);
635 if ((ret = send (socket->priv->fd, buffer, size, 0)) < 0)
637 g_set_error (error, G_IO_ERROR, g_io_error_from_errno (errno), "error sending data: %s", g_strerror (errno));
645 g_socket_close (GSocket *socket)
647 g_return_if_fail (G_IS_SOCKET (socket));
650 closesocket (socket->priv->fd);
652 close (socket->priv->fd);
657 g_socket_create_source (GSocket *socket,
658 GIOCondition condition,
659 GCancellable *cancellable)
661 g_return_val_if_fail (G_IS_SOCKET (socket) && (cancellable == NULL || G_IS_CANCELLABLE (cancellable)), NULL);
663 return _g_fd_source_new (socket->priv->fd, G_IO_IN | G_IO_HUP | G_IO_ERR, cancellable);