1 /*
2  * This file is part of gtkD.
3  *
4  * gtkD is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU Lesser General Public License
6  * as published by the Free Software Foundation; either version 3
7  * of the License, or (at your option) any later version, with
8  * some exceptions, please read the COPYING file.
9  *
10  * gtkD 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
13  * GNU Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public License
16  * along with gtkD; if not, write to the Free Software
17  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA
18  */
19 
20 // generated automatically - do not change
21 // find conversion definition on APILookup.txt
22 // implement new conversion functionalities on the wrap.utils pakage
23 
24 
25 module gio.Socket;
26 
27 private import gio.Cancellable;
28 private import gio.Credentials;
29 private import gio.DatagramBasedIF;
30 private import gio.DatagramBasedT;
31 private import gio.InetAddress;
32 private import gio.InitableIF;
33 private import gio.InitableT;
34 private import gio.SocketAddress;
35 private import gio.SocketConnection;
36 private import gio.SocketControlMessage;
37 private import glib.ConstructionException;
38 private import glib.ErrorG;
39 private import glib.GException;
40 private import glib.Source;
41 private import glib.Str;
42 private import gobject.ObjectG;
43 private import gtkc.gio;
44 public  import gtkc.giotypes;
45 
46 
47 /**
48  * A #GSocket is a low-level networking primitive. It is a more or less
49  * direct mapping of the BSD socket API in a portable GObject based API.
50  * It supports both the UNIX socket implementations and winsock2 on Windows.
51  * 
52  * #GSocket is the platform independent base upon which the higher level
53  * network primitives are based. Applications are not typically meant to
54  * use it directly, but rather through classes like #GSocketClient,
55  * #GSocketService and #GSocketConnection. However there may be cases where
56  * direct use of #GSocket is useful.
57  * 
58  * #GSocket implements the #GInitable interface, so if it is manually constructed
59  * by e.g. g_object_new() you must call g_initable_init() and check the
60  * results before using the object. This is done automatically in
61  * g_socket_new() and g_socket_new_from_fd(), so these functions can return
62  * %NULL.
63  * 
64  * Sockets operate in two general modes, blocking or non-blocking. When
65  * in blocking mode all operations (which don’t take an explicit blocking
66  * parameter) block until the requested operation
67  * is finished or there is an error. In non-blocking mode all calls that
68  * would block return immediately with a %G_IO_ERROR_WOULD_BLOCK error.
69  * To know when a call would successfully run you can call g_socket_condition_check(),
70  * or g_socket_condition_wait(). You can also use g_socket_create_source() and
71  * attach it to a #GMainContext to get callbacks when I/O is possible.
72  * Note that all sockets are always set to non blocking mode in the system, and
73  * blocking mode is emulated in GSocket.
74  * 
75  * When working in non-blocking mode applications should always be able to
76  * handle getting a %G_IO_ERROR_WOULD_BLOCK error even when some other
77  * function said that I/O was possible. This can easily happen in case
78  * of a race condition in the application, but it can also happen for other
79  * reasons. For instance, on Windows a socket is always seen as writable
80  * until a write returns %G_IO_ERROR_WOULD_BLOCK.
81  * 
82  * #GSockets can be either connection oriented or datagram based.
83  * For connection oriented types you must first establish a connection by
84  * either connecting to an address or accepting a connection from another
85  * address. For connectionless socket types the target/source address is
86  * specified or received in each I/O operation.
87  * 
88  * All socket file descriptors are set to be close-on-exec.
89  * 
90  * Note that creating a #GSocket causes the signal %SIGPIPE to be
91  * ignored for the remainder of the program. If you are writing a
92  * command-line utility that uses #GSocket, you may need to take into
93  * account the fact that your program will not automatically be killed
94  * if it tries to write to %stdout after it has been closed.
95  * 
96  * Like most other APIs in GLib, #GSocket is not inherently thread safe. To use
97  * a #GSocket concurrently from multiple threads, you must implement your own
98  * locking.
99  *
100  * Since: 2.22
101  */
102 public class Socket : ObjectG, DatagramBasedIF, InitableIF
103 {
104 	/** the main Gtk struct */
105 	protected GSocket* gSocket;
106 
107 	/** Get the main Gtk struct */
108 	public GSocket* getSocketStruct()
109 	{
110 		return gSocket;
111 	}
112 
113 	/** the main Gtk struct as a void* */
114 	protected override void* getStruct()
115 	{
116 		return cast(void*)gSocket;
117 	}
118 
119 	protected override void setStruct(GObject* obj)
120 	{
121 		gSocket = cast(GSocket*)obj;
122 		super.setStruct(obj);
123 	}
124 
125 	/**
126 	 * Sets our main struct and passes it to the parent class.
127 	 */
128 	public this (GSocket* gSocket, bool ownedRef = false)
129 	{
130 		this.gSocket = gSocket;
131 		super(cast(GObject*)gSocket, ownedRef);
132 	}
133 
134 	// add the DatagramBased capabilities
135 	mixin DatagramBasedT!(GSocket);
136 
137 	// add the Initable capabilities
138 	mixin InitableT!(GSocket);
139 
140 
141 	/** */
142 	public static GType getType()
143 	{
144 		return g_socket_get_type();
145 	}
146 
147 	/**
148 	 * Creates a new #GSocket with the defined family, type and protocol.
149 	 * If @protocol is 0 (%G_SOCKET_PROTOCOL_DEFAULT) the default protocol type
150 	 * for the family and type is used.
151 	 *
152 	 * The @protocol is a family and type specific int that specifies what
153 	 * kind of protocol to use. #GSocketProtocol lists several common ones.
154 	 * Many families only support one protocol, and use 0 for this, others
155 	 * support several and using 0 means to use the default protocol for
156 	 * the family and type.
157 	 *
158 	 * The protocol id is passed directly to the operating
159 	 * system, so you can use protocols not listed in #GSocketProtocol if you
160 	 * know the protocol number used for it.
161 	 *
162 	 * Params:
163 	 *     family = the socket family to use, e.g. %G_SOCKET_FAMILY_IPV4.
164 	 *     type = the socket type to use.
165 	 *     protocol = the id of the protocol to use, or 0 for default.
166 	 *
167 	 * Return: a #GSocket or %NULL on error.
168 	 *     Free the returned object with g_object_unref().
169 	 *
170 	 * Since: 2.22
171 	 *
172 	 * Throws: GException on failure.
173 	 * Throws: ConstructionException GTK+ fails to create the object.
174 	 */
175 	public this(GSocketFamily family, GSocketType type, GSocketProtocol protocol)
176 	{
177 		GError* err = null;
178 		
179 		auto p = g_socket_new(family, type, protocol, &err);
180 		
181 		if (err !is null)
182 		{
183 			throw new GException( new ErrorG(err) );
184 		}
185 		
186 		if(p is null)
187 		{
188 			throw new ConstructionException("null returned by new");
189 		}
190 		
191 		this(cast(GSocket*) p, true);
192 	}
193 
194 	/**
195 	 * Creates a new #GSocket from a native file descriptor
196 	 * or winsock SOCKET handle.
197 	 *
198 	 * This reads all the settings from the file descriptor so that
199 	 * all properties should work. Note that the file descriptor
200 	 * will be set to non-blocking mode, independent on the blocking
201 	 * mode of the #GSocket.
202 	 *
203 	 * On success, the returned #GSocket takes ownership of @fd. On failure, the
204 	 * caller must close @fd themselves.
205 	 *
206 	 * Since GLib 2.46, it is no longer a fatal error to call this on a non-socket
207 	 * descriptor.  Instead, a GError will be set with code %G_IO_ERROR_FAILED
208 	 *
209 	 * Params:
210 	 *     fd = a native socket file descriptor.
211 	 *
212 	 * Return: a #GSocket or %NULL on error.
213 	 *     Free the returned object with g_object_unref().
214 	 *
215 	 * Since: 2.22
216 	 *
217 	 * Throws: GException on failure.
218 	 * Throws: ConstructionException GTK+ fails to create the object.
219 	 */
220 	public this(int fd)
221 	{
222 		GError* err = null;
223 		
224 		auto p = g_socket_new_from_fd(fd, &err);
225 		
226 		if (err !is null)
227 		{
228 			throw new GException( new ErrorG(err) );
229 		}
230 		
231 		if(p is null)
232 		{
233 			throw new ConstructionException("null returned by new_from_fd");
234 		}
235 		
236 		this(cast(GSocket*) p, true);
237 	}
238 
239 	/**
240 	 * Accept incoming connections on a connection-based socket. This removes
241 	 * the first outstanding connection request from the listening socket and
242 	 * creates a #GSocket object for it.
243 	 *
244 	 * The @socket must be bound to a local address with g_socket_bind() and
245 	 * must be listening for incoming connections (g_socket_listen()).
246 	 *
247 	 * If there are no outstanding connections then the operation will block
248 	 * or return %G_IO_ERROR_WOULD_BLOCK if non-blocking I/O is enabled.
249 	 * To be notified of an incoming connection, wait for the %G_IO_IN condition.
250 	 *
251 	 * Params:
252 	 *     cancellable = a %GCancellable or %NULL
253 	 *
254 	 * Return: a new #GSocket, or %NULL on error.
255 	 *     Free the returned object with g_object_unref().
256 	 *
257 	 * Since: 2.22
258 	 *
259 	 * Throws: GException on failure.
260 	 */
261 	public Socket accept(Cancellable cancellable)
262 	{
263 		GError* err = null;
264 		
265 		auto p = g_socket_accept(gSocket, (cancellable is null) ? null : cancellable.getCancellableStruct(), &err);
266 		
267 		if (err !is null)
268 		{
269 			throw new GException( new ErrorG(err) );
270 		}
271 		
272 		if(p is null)
273 		{
274 			return null;
275 		}
276 		
277 		return ObjectG.getDObject!(Socket)(cast(GSocket*) p, true);
278 	}
279 
280 	/**
281 	 * When a socket is created it is attached to an address family, but it
282 	 * doesn't have an address in this family. g_socket_bind() assigns the
283 	 * address (sometimes called name) of the socket.
284 	 *
285 	 * It is generally required to bind to a local address before you can
286 	 * receive connections. (See g_socket_listen() and g_socket_accept() ).
287 	 * In certain situations, you may also want to bind a socket that will be
288 	 * used to initiate connections, though this is not normally required.
289 	 *
290 	 * If @socket is a TCP socket, then @allow_reuse controls the setting
291 	 * of the `SO_REUSEADDR` socket option; normally it should be %TRUE for
292 	 * server sockets (sockets that you will eventually call
293 	 * g_socket_accept() on), and %FALSE for client sockets. (Failing to
294 	 * set this flag on a server socket may cause g_socket_bind() to return
295 	 * %G_IO_ERROR_ADDRESS_IN_USE if the server program is stopped and then
296 	 * immediately restarted.)
297 	 *
298 	 * If @socket is a UDP socket, then @allow_reuse determines whether or
299 	 * not other UDP sockets can be bound to the same address at the same
300 	 * time. In particular, you can have several UDP sockets bound to the
301 	 * same address, and they will all receive all of the multicast and
302 	 * broadcast packets sent to that address. (The behavior of unicast
303 	 * UDP packets to an address with multiple listeners is not defined.)
304 	 *
305 	 * Params:
306 	 *     address = a #GSocketAddress specifying the local address.
307 	 *     allowReuse = whether to allow reusing this address
308 	 *
309 	 * Return: %TRUE on success, %FALSE on error.
310 	 *
311 	 * Since: 2.22
312 	 *
313 	 * Throws: GException on failure.
314 	 */
315 	public bool bind(SocketAddress address, bool allowReuse)
316 	{
317 		GError* err = null;
318 		
319 		auto p = g_socket_bind(gSocket, (address is null) ? null : address.getSocketAddressStruct(), allowReuse, &err) != 0;
320 		
321 		if (err !is null)
322 		{
323 			throw new GException( new ErrorG(err) );
324 		}
325 		
326 		return p;
327 	}
328 
329 	/**
330 	 * Checks and resets the pending connect error for the socket.
331 	 * This is used to check for errors when g_socket_connect() is
332 	 * used in non-blocking mode.
333 	 *
334 	 * Return: %TRUE if no error, %FALSE otherwise, setting @error to the error
335 	 *
336 	 * Since: 2.22
337 	 *
338 	 * Throws: GException on failure.
339 	 */
340 	public bool checkConnectResult()
341 	{
342 		GError* err = null;
343 		
344 		auto p = g_socket_check_connect_result(gSocket, &err) != 0;
345 		
346 		if (err !is null)
347 		{
348 			throw new GException( new ErrorG(err) );
349 		}
350 		
351 		return p;
352 	}
353 
354 	/**
355 	 * Closes the socket, shutting down any active connection.
356 	 *
357 	 * Closing a socket does not wait for all outstanding I/O operations
358 	 * to finish, so the caller should not rely on them to be guaranteed
359 	 * to complete even if the close returns with no error.
360 	 *
361 	 * Once the socket is closed, all other operations will return
362 	 * %G_IO_ERROR_CLOSED. Closing a socket multiple times will not
363 	 * return an error.
364 	 *
365 	 * Sockets will be automatically closed when the last reference
366 	 * is dropped, but you might want to call this function to make sure
367 	 * resources are released as early as possible.
368 	 *
369 	 * Beware that due to the way that TCP works, it is possible for
370 	 * recently-sent data to be lost if either you close a socket while the
371 	 * %G_IO_IN condition is set, or else if the remote connection tries to
372 	 * send something to you after you close the socket but before it has
373 	 * finished reading all of the data you sent. There is no easy generic
374 	 * way to avoid this problem; the easiest fix is to design the network
375 	 * protocol such that the client will never send data "out of turn".
376 	 * Another solution is for the server to half-close the connection by
377 	 * calling g_socket_shutdown() with only the @shutdown_write flag set,
378 	 * and then wait for the client to notice this and close its side of the
379 	 * connection, after which the server can safely call g_socket_close().
380 	 * (This is what #GTcpConnection does if you call
381 	 * g_tcp_connection_set_graceful_disconnect(). But of course, this
382 	 * only works if the client will close its connection after the server
383 	 * does.)
384 	 *
385 	 * Return: %TRUE on success, %FALSE on error
386 	 *
387 	 * Since: 2.22
388 	 *
389 	 * Throws: GException on failure.
390 	 */
391 	public bool close()
392 	{
393 		GError* err = null;
394 		
395 		auto p = g_socket_close(gSocket, &err) != 0;
396 		
397 		if (err !is null)
398 		{
399 			throw new GException( new ErrorG(err) );
400 		}
401 		
402 		return p;
403 	}
404 
405 	/**
406 	 * Checks on the readiness of @socket to perform operations.
407 	 * The operations specified in @condition are checked for and masked
408 	 * against the currently-satisfied conditions on @socket. The result
409 	 * is returned.
410 	 *
411 	 * Note that on Windows, it is possible for an operation to return
412 	 * %G_IO_ERROR_WOULD_BLOCK even immediately after
413 	 * g_socket_condition_check() has claimed that the socket is ready for
414 	 * writing. Rather than calling g_socket_condition_check() and then
415 	 * writing to the socket if it succeeds, it is generally better to
416 	 * simply try writing to the socket right away, and try again later if
417 	 * the initial attempt returns %G_IO_ERROR_WOULD_BLOCK.
418 	 *
419 	 * It is meaningless to specify %G_IO_ERR or %G_IO_HUP in condition;
420 	 * these conditions will always be set in the output if they are true.
421 	 *
422 	 * This call never blocks.
423 	 *
424 	 * Params:
425 	 *     condition = a #GIOCondition mask to check
426 	 *
427 	 * Return: the @GIOCondition mask of the current state
428 	 *
429 	 * Since: 2.22
430 	 */
431 	public GIOCondition conditionCheck(GIOCondition condition)
432 	{
433 		return g_socket_condition_check(gSocket, condition);
434 	}
435 
436 	/**
437 	 * Waits for up to @timeout microseconds for @condition to become true
438 	 * on @socket. If the condition is met, %TRUE is returned.
439 	 *
440 	 * If @cancellable is cancelled before the condition is met, or if
441 	 * @timeout (or the socket's #GSocket:timeout) is reached before the
442 	 * condition is met, then %FALSE is returned and @error, if non-%NULL,
443 	 * is set to the appropriate value (%G_IO_ERROR_CANCELLED or
444 	 * %G_IO_ERROR_TIMED_OUT).
445 	 *
446 	 * If you don't want a timeout, use g_socket_condition_wait().
447 	 * (Alternatively, you can pass -1 for @timeout.)
448 	 *
449 	 * Note that although @timeout is in microseconds for consistency with
450 	 * other GLib APIs, this function actually only has millisecond
451 	 * resolution, and the behavior is undefined if @timeout is not an
452 	 * exact number of milliseconds.
453 	 *
454 	 * Params:
455 	 *     condition = a #GIOCondition mask to wait for
456 	 *     timeout = the maximum time (in microseconds) to wait, or -1
457 	 *     cancellable = a #GCancellable, or %NULL
458 	 *
459 	 * Return: %TRUE if the condition was met, %FALSE otherwise
460 	 *
461 	 * Since: 2.32
462 	 *
463 	 * Throws: GException on failure.
464 	 */
465 	public bool conditionTimedWait(GIOCondition condition, long timeout, Cancellable cancellable)
466 	{
467 		GError* err = null;
468 		
469 		auto p = g_socket_condition_timed_wait(gSocket, condition, timeout, (cancellable is null) ? null : cancellable.getCancellableStruct(), &err) != 0;
470 		
471 		if (err !is null)
472 		{
473 			throw new GException( new ErrorG(err) );
474 		}
475 		
476 		return p;
477 	}
478 
479 	/**
480 	 * Waits for @condition to become true on @socket. When the condition
481 	 * is met, %TRUE is returned.
482 	 *
483 	 * If @cancellable is cancelled before the condition is met, or if the
484 	 * socket has a timeout set and it is reached before the condition is
485 	 * met, then %FALSE is returned and @error, if non-%NULL, is set to
486 	 * the appropriate value (%G_IO_ERROR_CANCELLED or
487 	 * %G_IO_ERROR_TIMED_OUT).
488 	 *
489 	 * See also g_socket_condition_timed_wait().
490 	 *
491 	 * Params:
492 	 *     condition = a #GIOCondition mask to wait for
493 	 *     cancellable = a #GCancellable, or %NULL
494 	 *
495 	 * Return: %TRUE if the condition was met, %FALSE otherwise
496 	 *
497 	 * Since: 2.22
498 	 *
499 	 * Throws: GException on failure.
500 	 */
501 	public bool conditionWait(GIOCondition condition, Cancellable cancellable)
502 	{
503 		GError* err = null;
504 		
505 		auto p = g_socket_condition_wait(gSocket, condition, (cancellable is null) ? null : cancellable.getCancellableStruct(), &err) != 0;
506 		
507 		if (err !is null)
508 		{
509 			throw new GException( new ErrorG(err) );
510 		}
511 		
512 		return p;
513 	}
514 
515 	/**
516 	 * Connect the socket to the specified remote address.
517 	 *
518 	 * For connection oriented socket this generally means we attempt to make
519 	 * a connection to the @address. For a connection-less socket it sets
520 	 * the default address for g_socket_send() and discards all incoming datagrams
521 	 * from other sources.
522 	 *
523 	 * Generally connection oriented sockets can only connect once, but
524 	 * connection-less sockets can connect multiple times to change the
525 	 * default address.
526 	 *
527 	 * If the connect call needs to do network I/O it will block, unless
528 	 * non-blocking I/O is enabled. Then %G_IO_ERROR_PENDING is returned
529 	 * and the user can be notified of the connection finishing by waiting
530 	 * for the G_IO_OUT condition. The result of the connection must then be
531 	 * checked with g_socket_check_connect_result().
532 	 *
533 	 * Params:
534 	 *     address = a #GSocketAddress specifying the remote address.
535 	 *     cancellable = a %GCancellable or %NULL
536 	 *
537 	 * Return: %TRUE if connected, %FALSE on error.
538 	 *
539 	 * Since: 2.22
540 	 *
541 	 * Throws: GException on failure.
542 	 */
543 	public bool connect(SocketAddress address, Cancellable cancellable)
544 	{
545 		GError* err = null;
546 		
547 		auto p = g_socket_connect(gSocket, (address is null) ? null : address.getSocketAddressStruct(), (cancellable is null) ? null : cancellable.getCancellableStruct(), &err) != 0;
548 		
549 		if (err !is null)
550 		{
551 			throw new GException( new ErrorG(err) );
552 		}
553 		
554 		return p;
555 	}
556 
557 	/**
558 	 * Creates a #GSocketConnection subclass of the right type for
559 	 * @socket.
560 	 *
561 	 * Return: a #GSocketConnection
562 	 *
563 	 * Since: 2.22
564 	 */
565 	public SocketConnection connectionFactoryCreateConnection()
566 	{
567 		auto p = g_socket_connection_factory_create_connection(gSocket);
568 		
569 		if(p is null)
570 		{
571 			return null;
572 		}
573 		
574 		return ObjectG.getDObject!(SocketConnection)(cast(GSocketConnection*) p, true);
575 	}
576 
577 	/**
578 	 * Creates a #GSource that can be attached to a %GMainContext to monitor
579 	 * for the availability of the specified @condition on the socket. The #GSource
580 	 * keeps a reference to the @socket.
581 	 *
582 	 * The callback on the source is of the #GSocketSourceFunc type.
583 	 *
584 	 * It is meaningless to specify %G_IO_ERR or %G_IO_HUP in @condition;
585 	 * these conditions will always be reported output if they are true.
586 	 *
587 	 * @cancellable if not %NULL can be used to cancel the source, which will
588 	 * cause the source to trigger, reporting the current condition (which
589 	 * is likely 0 unless cancellation happened at the same time as a
590 	 * condition change). You can check for this in the callback using
591 	 * g_cancellable_is_cancelled().
592 	 *
593 	 * If @socket has a timeout set, and it is reached before @condition
594 	 * occurs, the source will then trigger anyway, reporting %G_IO_IN or
595 	 * %G_IO_OUT depending on @condition. However, @socket will have been
596 	 * marked as having had a timeout, and so the next #GSocket I/O method
597 	 * you call will then fail with a %G_IO_ERROR_TIMED_OUT.
598 	 *
599 	 * Params:
600 	 *     condition = a #GIOCondition mask to monitor
601 	 *     cancellable = a %GCancellable or %NULL
602 	 *
603 	 * Return: a newly allocated %GSource, free with g_source_unref().
604 	 *
605 	 * Since: 2.22
606 	 */
607 	public Source createSource(GIOCondition condition, Cancellable cancellable)
608 	{
609 		auto p = g_socket_create_source(gSocket, condition, (cancellable is null) ? null : cancellable.getCancellableStruct());
610 		
611 		if(p is null)
612 		{
613 			return null;
614 		}
615 		
616 		return new Source(cast(GSource*) p, true);
617 	}
618 
619 	/**
620 	 * Get the amount of data pending in the OS input buffer, without blocking.
621 	 *
622 	 * If @socket is a UDP or SCTP socket, this will return the size of
623 	 * just the next packet, even if additional packets are buffered after
624 	 * that one.
625 	 *
626 	 * Note that on Windows, this function is rather inefficient in the
627 	 * UDP case, and so if you know any plausible upper bound on the size
628 	 * of the incoming packet, it is better to just do a
629 	 * g_socket_receive() with a buffer of that size, rather than calling
630 	 * g_socket_get_available_bytes() first and then doing a receive of
631 	 * exactly the right size.
632 	 *
633 	 * Return: the number of bytes that can be read from the socket
634 	 *     without blocking or truncating, or -1 on error.
635 	 *
636 	 * Since: 2.32
637 	 */
638 	public ptrdiff_t getAvailableBytes()
639 	{
640 		return g_socket_get_available_bytes(gSocket);
641 	}
642 
643 	/**
644 	 * Gets the blocking mode of the socket. For details on blocking I/O,
645 	 * see g_socket_set_blocking().
646 	 *
647 	 * Return: %TRUE if blocking I/O is used, %FALSE otherwise.
648 	 *
649 	 * Since: 2.22
650 	 */
651 	public bool getBlocking()
652 	{
653 		return g_socket_get_blocking(gSocket) != 0;
654 	}
655 
656 	/**
657 	 * Gets the broadcast setting on @socket; if %TRUE,
658 	 * it is possible to send packets to broadcast
659 	 * addresses.
660 	 *
661 	 * Return: the broadcast setting on @socket
662 	 *
663 	 * Since: 2.32
664 	 */
665 	public bool getBroadcast()
666 	{
667 		return g_socket_get_broadcast(gSocket) != 0;
668 	}
669 
670 	/**
671 	 * Returns the credentials of the foreign process connected to this
672 	 * socket, if any (e.g. it is only supported for %G_SOCKET_FAMILY_UNIX
673 	 * sockets).
674 	 *
675 	 * If this operation isn't supported on the OS, the method fails with
676 	 * the %G_IO_ERROR_NOT_SUPPORTED error. On Linux this is implemented
677 	 * by reading the %SO_PEERCRED option on the underlying socket.
678 	 *
679 	 * Other ways to obtain credentials from a foreign peer includes the
680 	 * #GUnixCredentialsMessage type and
681 	 * g_unix_connection_send_credentials() /
682 	 * g_unix_connection_receive_credentials() functions.
683 	 *
684 	 * Return: %NULL if @error is set, otherwise a #GCredentials object
685 	 *     that must be freed with g_object_unref().
686 	 *
687 	 * Since: 2.26
688 	 *
689 	 * Throws: GException on failure.
690 	 */
691 	public Credentials getCredentials()
692 	{
693 		GError* err = null;
694 		
695 		auto p = g_socket_get_credentials(gSocket, &err);
696 		
697 		if (err !is null)
698 		{
699 			throw new GException( new ErrorG(err) );
700 		}
701 		
702 		if(p is null)
703 		{
704 			return null;
705 		}
706 		
707 		return ObjectG.getDObject!(Credentials)(cast(GCredentials*) p, true);
708 	}
709 
710 	/**
711 	 * Gets the socket family of the socket.
712 	 *
713 	 * Return: a #GSocketFamily
714 	 *
715 	 * Since: 2.22
716 	 */
717 	public GSocketFamily getFamily()
718 	{
719 		return g_socket_get_family(gSocket);
720 	}
721 
722 	/**
723 	 * Returns the underlying OS socket object. On unix this
724 	 * is a socket file descriptor, and on Windows this is
725 	 * a Winsock2 SOCKET handle. This may be useful for
726 	 * doing platform specific or otherwise unusual operations
727 	 * on the socket.
728 	 *
729 	 * Return: the file descriptor of the socket.
730 	 *
731 	 * Since: 2.22
732 	 */
733 	public int getFd()
734 	{
735 		return g_socket_get_fd(gSocket);
736 	}
737 
738 	/**
739 	 * Gets the keepalive mode of the socket. For details on this,
740 	 * see g_socket_set_keepalive().
741 	 *
742 	 * Return: %TRUE if keepalive is active, %FALSE otherwise.
743 	 *
744 	 * Since: 2.22
745 	 */
746 	public bool getKeepalive()
747 	{
748 		return g_socket_get_keepalive(gSocket) != 0;
749 	}
750 
751 	/**
752 	 * Gets the listen backlog setting of the socket. For details on this,
753 	 * see g_socket_set_listen_backlog().
754 	 *
755 	 * Return: the maximum number of pending connections.
756 	 *
757 	 * Since: 2.22
758 	 */
759 	public int getListenBacklog()
760 	{
761 		return g_socket_get_listen_backlog(gSocket);
762 	}
763 
764 	/**
765 	 * Try to get the local address of a bound socket. This is only
766 	 * useful if the socket has been bound to a local address,
767 	 * either explicitly or implicitly when connecting.
768 	 *
769 	 * Return: a #GSocketAddress or %NULL on error.
770 	 *     Free the returned object with g_object_unref().
771 	 *
772 	 * Since: 2.22
773 	 *
774 	 * Throws: GException on failure.
775 	 */
776 	public SocketAddress getLocalAddress()
777 	{
778 		GError* err = null;
779 		
780 		auto p = g_socket_get_local_address(gSocket, &err);
781 		
782 		if (err !is null)
783 		{
784 			throw new GException( new ErrorG(err) );
785 		}
786 		
787 		if(p is null)
788 		{
789 			return null;
790 		}
791 		
792 		return ObjectG.getDObject!(SocketAddress)(cast(GSocketAddress*) p, true);
793 	}
794 
795 	/**
796 	 * Gets the multicast loopback setting on @socket; if %TRUE (the
797 	 * default), outgoing multicast packets will be looped back to
798 	 * multicast listeners on the same host.
799 	 *
800 	 * Return: the multicast loopback setting on @socket
801 	 *
802 	 * Since: 2.32
803 	 */
804 	public bool getMulticastLoopback()
805 	{
806 		return g_socket_get_multicast_loopback(gSocket) != 0;
807 	}
808 
809 	/**
810 	 * Gets the multicast time-to-live setting on @socket; see
811 	 * g_socket_set_multicast_ttl() for more details.
812 	 *
813 	 * Return: the multicast time-to-live setting on @socket
814 	 *
815 	 * Since: 2.32
816 	 */
817 	public uint getMulticastTtl()
818 	{
819 		return g_socket_get_multicast_ttl(gSocket);
820 	}
821 
822 	/**
823 	 * Gets the value of an integer-valued option on @socket, as with
824 	 * getsockopt(). (If you need to fetch a  non-integer-valued option,
825 	 * you will need to call getsockopt() directly.)
826 	 *
827 	 * The [<gio/gnetworking.h>][gio-gnetworking.h]
828 	 * header pulls in system headers that will define most of the
829 	 * standard/portable socket options. For unusual socket protocols or
830 	 * platform-dependent options, you may need to include additional
831 	 * headers.
832 	 *
833 	 * Note that even for socket options that are a single byte in size,
834 	 * @value is still a pointer to a #gint variable, not a #guchar;
835 	 * g_socket_get_option() will handle the conversion internally.
836 	 *
837 	 * Params:
838 	 *     level = the "API level" of the option (eg, `SOL_SOCKET`)
839 	 *     optname = the "name" of the option (eg, `SO_BROADCAST`)
840 	 *     value = return location for the option value
841 	 *
842 	 * Return: success or failure. On failure, @error will be set, and
843 	 *     the system error value (`errno` or WSAGetLastError()) will still
844 	 *     be set to the result of the getsockopt() call.
845 	 *
846 	 * Since: 2.36
847 	 *
848 	 * Throws: GException on failure.
849 	 */
850 	public bool getOption(int level, int optname, out int value)
851 	{
852 		GError* err = null;
853 		
854 		auto p = g_socket_get_option(gSocket, level, optname, &value, &err) != 0;
855 		
856 		if (err !is null)
857 		{
858 			throw new GException( new ErrorG(err) );
859 		}
860 		
861 		return p;
862 	}
863 
864 	/**
865 	 * Gets the socket protocol id the socket was created with.
866 	 * In case the protocol is unknown, -1 is returned.
867 	 *
868 	 * Return: a protocol id, or -1 if unknown
869 	 *
870 	 * Since: 2.22
871 	 */
872 	public GSocketProtocol getProtocol()
873 	{
874 		return g_socket_get_protocol(gSocket);
875 	}
876 
877 	/**
878 	 * Try to get the remove address of a connected socket. This is only
879 	 * useful for connection oriented sockets that have been connected.
880 	 *
881 	 * Return: a #GSocketAddress or %NULL on error.
882 	 *     Free the returned object with g_object_unref().
883 	 *
884 	 * Since: 2.22
885 	 *
886 	 * Throws: GException on failure.
887 	 */
888 	public SocketAddress getRemoteAddress()
889 	{
890 		GError* err = null;
891 		
892 		auto p = g_socket_get_remote_address(gSocket, &err);
893 		
894 		if (err !is null)
895 		{
896 			throw new GException( new ErrorG(err) );
897 		}
898 		
899 		if(p is null)
900 		{
901 			return null;
902 		}
903 		
904 		return ObjectG.getDObject!(SocketAddress)(cast(GSocketAddress*) p, true);
905 	}
906 
907 	/**
908 	 * Gets the socket type of the socket.
909 	 *
910 	 * Return: a #GSocketType
911 	 *
912 	 * Since: 2.22
913 	 */
914 	public GSocketType getSocketType()
915 	{
916 		return g_socket_get_socket_type(gSocket);
917 	}
918 
919 	/**
920 	 * Gets the timeout setting of the socket. For details on this, see
921 	 * g_socket_set_timeout().
922 	 *
923 	 * Return: the timeout in seconds
924 	 *
925 	 * Since: 2.26
926 	 */
927 	public uint getTimeout()
928 	{
929 		return g_socket_get_timeout(gSocket);
930 	}
931 
932 	/**
933 	 * Gets the unicast time-to-live setting on @socket; see
934 	 * g_socket_set_ttl() for more details.
935 	 *
936 	 * Return: the time-to-live setting on @socket
937 	 *
938 	 * Since: 2.32
939 	 */
940 	public uint getTtl()
941 	{
942 		return g_socket_get_ttl(gSocket);
943 	}
944 
945 	/**
946 	 * Checks whether a socket is closed.
947 	 *
948 	 * Return: %TRUE if socket is closed, %FALSE otherwise
949 	 *
950 	 * Since: 2.22
951 	 */
952 	public bool isClosed()
953 	{
954 		return g_socket_is_closed(gSocket) != 0;
955 	}
956 
957 	/**
958 	 * Check whether the socket is connected. This is only useful for
959 	 * connection-oriented sockets.
960 	 *
961 	 * If using g_socket_shutdown(), this function will return %TRUE until the
962 	 * socket has been shut down for reading and writing. If you do a non-blocking
963 	 * connect, this function will not return %TRUE until after you call
964 	 * g_socket_check_connect_result().
965 	 *
966 	 * Return: %TRUE if socket is connected, %FALSE otherwise.
967 	 *
968 	 * Since: 2.22
969 	 */
970 	public bool isConnected()
971 	{
972 		return g_socket_is_connected(gSocket) != 0;
973 	}
974 
975 	/**
976 	 * Registers @socket to receive multicast messages sent to @group.
977 	 * @socket must be a %G_SOCKET_TYPE_DATAGRAM socket, and must have
978 	 * been bound to an appropriate interface and port with
979 	 * g_socket_bind().
980 	 *
981 	 * If @iface is %NULL, the system will automatically pick an interface
982 	 * to bind to based on @group.
983 	 *
984 	 * If @source_specific is %TRUE, source-specific multicast as defined
985 	 * in RFC 4604 is used. Note that on older platforms this may fail
986 	 * with a %G_IO_ERROR_NOT_SUPPORTED error.
987 	 *
988 	 * Params:
989 	 *     group = a #GInetAddress specifying the group address to join.
990 	 *     sourceSpecific = %TRUE if source-specific multicast should be used
991 	 *     iface = Name of the interface to use, or %NULL
992 	 *
993 	 * Return: %TRUE on success, %FALSE on error.
994 	 *
995 	 * Since: 2.32
996 	 *
997 	 * Throws: GException on failure.
998 	 */
999 	public bool joinMulticastGroup(InetAddress group, bool sourceSpecific, string iface)
1000 	{
1001 		GError* err = null;
1002 		
1003 		auto p = g_socket_join_multicast_group(gSocket, (group is null) ? null : group.getInetAddressStruct(), sourceSpecific, Str.toStringz(iface), &err) != 0;
1004 		
1005 		if (err !is null)
1006 		{
1007 			throw new GException( new ErrorG(err) );
1008 		}
1009 		
1010 		return p;
1011 	}
1012 
1013 	/**
1014 	 * Removes @socket from the multicast group defined by @group, @iface,
1015 	 * and @source_specific (which must all have the same values they had
1016 	 * when you joined the group).
1017 	 *
1018 	 * @socket remains bound to its address and port, and can still receive
1019 	 * unicast messages after calling this.
1020 	 *
1021 	 * Params:
1022 	 *     group = a #GInetAddress specifying the group address to leave.
1023 	 *     sourceSpecific = %TRUE if source-specific multicast was used
1024 	 *     iface = Interface used
1025 	 *
1026 	 * Return: %TRUE on success, %FALSE on error.
1027 	 *
1028 	 * Since: 2.32
1029 	 *
1030 	 * Throws: GException on failure.
1031 	 */
1032 	public bool leaveMulticastGroup(InetAddress group, bool sourceSpecific, string iface)
1033 	{
1034 		GError* err = null;
1035 		
1036 		auto p = g_socket_leave_multicast_group(gSocket, (group is null) ? null : group.getInetAddressStruct(), sourceSpecific, Str.toStringz(iface), &err) != 0;
1037 		
1038 		if (err !is null)
1039 		{
1040 			throw new GException( new ErrorG(err) );
1041 		}
1042 		
1043 		return p;
1044 	}
1045 
1046 	/**
1047 	 * Marks the socket as a server socket, i.e. a socket that is used
1048 	 * to accept incoming requests using g_socket_accept().
1049 	 *
1050 	 * Before calling this the socket must be bound to a local address using
1051 	 * g_socket_bind().
1052 	 *
1053 	 * To set the maximum amount of outstanding clients, use
1054 	 * g_socket_set_listen_backlog().
1055 	 *
1056 	 * Return: %TRUE on success, %FALSE on error.
1057 	 *
1058 	 * Since: 2.22
1059 	 *
1060 	 * Throws: GException on failure.
1061 	 */
1062 	public bool listen()
1063 	{
1064 		GError* err = null;
1065 		
1066 		auto p = g_socket_listen(gSocket, &err) != 0;
1067 		
1068 		if (err !is null)
1069 		{
1070 			throw new GException( new ErrorG(err) );
1071 		}
1072 		
1073 		return p;
1074 	}
1075 
1076 	/**
1077 	 * Receive data (up to @size bytes) from a socket. This is mainly used by
1078 	 * connection-oriented sockets; it is identical to g_socket_receive_from()
1079 	 * with @address set to %NULL.
1080 	 *
1081 	 * For %G_SOCKET_TYPE_DATAGRAM and %G_SOCKET_TYPE_SEQPACKET sockets,
1082 	 * g_socket_receive() will always read either 0 or 1 complete messages from
1083 	 * the socket. If the received message is too large to fit in @buffer, then
1084 	 * the data beyond @size bytes will be discarded, without any explicit
1085 	 * indication that this has occurred.
1086 	 *
1087 	 * For %G_SOCKET_TYPE_STREAM sockets, g_socket_receive() can return any
1088 	 * number of bytes, up to @size. If more than @size bytes have been
1089 	 * received, the additional data will be returned in future calls to
1090 	 * g_socket_receive().
1091 	 *
1092 	 * If the socket is in blocking mode the call will block until there
1093 	 * is some data to receive, the connection is closed, or there is an
1094 	 * error. If there is no data available and the socket is in
1095 	 * non-blocking mode, a %G_IO_ERROR_WOULD_BLOCK error will be
1096 	 * returned. To be notified when data is available, wait for the
1097 	 * %G_IO_IN condition.
1098 	 *
1099 	 * On error -1 is returned and @error is set accordingly.
1100 	 *
1101 	 * Params:
1102 	 *     buffer = a buffer to
1103 	 *         read data into (which should be at least @size bytes long).
1104 	 *     size = the number of bytes you want to read from the socket
1105 	 *     cancellable = a %GCancellable or %NULL
1106 	 *
1107 	 * Return: Number of bytes read, or 0 if the connection was closed by
1108 	 *     the peer, or -1 on error
1109 	 *
1110 	 * Since: 2.22
1111 	 *
1112 	 * Throws: GException on failure.
1113 	 */
1114 	public ptrdiff_t receive(string buffer, Cancellable cancellable)
1115 	{
1116 		GError* err = null;
1117 		
1118 		auto p = g_socket_receive(gSocket, Str.toStringz(buffer), cast(size_t)buffer.length, (cancellable is null) ? null : cancellable.getCancellableStruct(), &err);
1119 		
1120 		if (err !is null)
1121 		{
1122 			throw new GException( new ErrorG(err) );
1123 		}
1124 		
1125 		return p;
1126 	}
1127 
1128 	/**
1129 	 * Receive data (up to @size bytes) from a socket.
1130 	 *
1131 	 * If @address is non-%NULL then @address will be set equal to the
1132 	 * source address of the received packet.
1133 	 * @address is owned by the caller.
1134 	 *
1135 	 * See g_socket_receive() for additional information.
1136 	 *
1137 	 * Params:
1138 	 *     address = a pointer to a #GSocketAddress
1139 	 *         pointer, or %NULL
1140 	 *     buffer = a buffer to
1141 	 *         read data into (which should be at least @size bytes long).
1142 	 *     size = the number of bytes you want to read from the socket
1143 	 *     cancellable = a %GCancellable or %NULL
1144 	 *
1145 	 * Return: Number of bytes read, or 0 if the connection was closed by
1146 	 *     the peer, or -1 on error
1147 	 *
1148 	 * Since: 2.22
1149 	 *
1150 	 * Throws: GException on failure.
1151 	 */
1152 	public ptrdiff_t receiveFrom(out SocketAddress address, string buffer, Cancellable cancellable)
1153 	{
1154 		GSocketAddress* outaddress = null;
1155 		GError* err = null;
1156 		
1157 		auto p = g_socket_receive_from(gSocket, &outaddress, Str.toStringz(buffer), cast(size_t)buffer.length, (cancellable is null) ? null : cancellable.getCancellableStruct(), &err);
1158 		
1159 		if (err !is null)
1160 		{
1161 			throw new GException( new ErrorG(err) );
1162 		}
1163 		
1164 		address = ObjectG.getDObject!(SocketAddress)(outaddress);
1165 		
1166 		return p;
1167 	}
1168 
1169 	/**
1170 	 * Receive data from a socket.  For receiving multiple messages, see
1171 	 * g_socket_receive_messages(); for easier use, see
1172 	 * g_socket_receive() and g_socket_receive_from().
1173 	 *
1174 	 * If @address is non-%NULL then @address will be set equal to the
1175 	 * source address of the received packet.
1176 	 * @address is owned by the caller.
1177 	 *
1178 	 * @vector must point to an array of #GInputVector structs and
1179 	 * @num_vectors must be the length of this array.  These structs
1180 	 * describe the buffers that received data will be scattered into.
1181 	 * If @num_vectors is -1, then @vectors is assumed to be terminated
1182 	 * by a #GInputVector with a %NULL buffer pointer.
1183 	 *
1184 	 * As a special case, if @num_vectors is 0 (in which case, @vectors
1185 	 * may of course be %NULL), then a single byte is received and
1186 	 * discarded. This is to facilitate the common practice of sending a
1187 	 * single '\0' byte for the purposes of transferring ancillary data.
1188 	 *
1189 	 * @messages, if non-%NULL, will be set to point to a newly-allocated
1190 	 * array of #GSocketControlMessage instances or %NULL if no such
1191 	 * messages was received. These correspond to the control messages
1192 	 * received from the kernel, one #GSocketControlMessage per message
1193 	 * from the kernel. This array is %NULL-terminated and must be freed
1194 	 * by the caller using g_free() after calling g_object_unref() on each
1195 	 * element. If @messages is %NULL, any control messages received will
1196 	 * be discarded.
1197 	 *
1198 	 * @num_messages, if non-%NULL, will be set to the number of control
1199 	 * messages received.
1200 	 *
1201 	 * If both @messages and @num_messages are non-%NULL, then
1202 	 * @num_messages gives the number of #GSocketControlMessage instances
1203 	 * in @messages (ie: not including the %NULL terminator).
1204 	 *
1205 	 * @flags is an in/out parameter. The commonly available arguments
1206 	 * for this are available in the #GSocketMsgFlags enum, but the
1207 	 * values there are the same as the system values, and the flags
1208 	 * are passed in as-is, so you can pass in system-specific flags too
1209 	 * (and g_socket_receive_message() may pass system-specific flags out).
1210 	 * Flags passed in to the parameter affect the receive operation; flags returned
1211 	 * out of it are relevant to the specific returned message.
1212 	 *
1213 	 * As with g_socket_receive(), data may be discarded if @socket is
1214 	 * %G_SOCKET_TYPE_DATAGRAM or %G_SOCKET_TYPE_SEQPACKET and you do not
1215 	 * provide enough buffer space to read a complete message. You can pass
1216 	 * %G_SOCKET_MSG_PEEK in @flags to peek at the current message without
1217 	 * removing it from the receive queue, but there is no portable way to find
1218 	 * out the length of the message other than by reading it into a
1219 	 * sufficiently-large buffer.
1220 	 *
1221 	 * If the socket is in blocking mode the call will block until there
1222 	 * is some data to receive, the connection is closed, or there is an
1223 	 * error. If there is no data available and the socket is in
1224 	 * non-blocking mode, a %G_IO_ERROR_WOULD_BLOCK error will be
1225 	 * returned. To be notified when data is available, wait for the
1226 	 * %G_IO_IN condition.
1227 	 *
1228 	 * On error -1 is returned and @error is set accordingly.
1229 	 *
1230 	 * Params:
1231 	 *     address = a pointer to a #GSocketAddress
1232 	 *         pointer, or %NULL
1233 	 *     vectors = an array of #GInputVector structs
1234 	 *     numVectors = the number of elements in @vectors, or -1
1235 	 *     messages = a pointer which
1236 	 *         may be filled with an array of #GSocketControlMessages, or %NULL
1237 	 *     numMessages = a pointer which will be filled with the number of
1238 	 *         elements in @messages, or %NULL
1239 	 *     flags = a pointer to an int containing #GSocketMsgFlags flags
1240 	 *     cancellable = a %GCancellable or %NULL
1241 	 *
1242 	 * Return: Number of bytes read, or 0 if the connection was closed by
1243 	 *     the peer, or -1 on error
1244 	 *
1245 	 * Since: 2.22
1246 	 *
1247 	 * Throws: GException on failure.
1248 	 */
1249 	public ptrdiff_t receiveMessage(out SocketAddress address, GInputVector[] vectors, out SocketControlMessage[] messages, int* flags, Cancellable cancellable)
1250 	{
1251 		GSocketAddress* outaddress = null;
1252 		GSocketControlMessage** outmessages = null;
1253 		int numMessages;
1254 		GError* err = null;
1255 		
1256 		auto p = g_socket_receive_message(gSocket, &outaddress, vectors.ptr, cast(int)vectors.length, &outmessages, &numMessages, flags, (cancellable is null) ? null : cancellable.getCancellableStruct(), &err);
1257 		
1258 		if (err !is null)
1259 		{
1260 			throw new GException( new ErrorG(err) );
1261 		}
1262 		
1263 		address = ObjectG.getDObject!(SocketAddress)(outaddress);
1264 		
1265 		messages = new SocketControlMessage[numMessages];
1266 		for(size_t i = 0; i < numMessages; i++)
1267 		{
1268 			messages[i] = ObjectG.getDObject!(SocketControlMessage)(cast(GSocketControlMessage*) outmessages[i]);
1269 		}
1270 		
1271 		return p;
1272 	}
1273 
1274 	/**
1275 	 * Receive multiple data messages from @socket in one go.  This is the most
1276 	 * complicated and fully-featured version of this call. For easier use, see
1277 	 * g_socket_receive(), g_socket_receive_from(), and g_socket_receive_message().
1278 	 *
1279 	 * @messages must point to an array of #GInputMessage structs and
1280 	 * @num_messages must be the length of this array. Each #GInputMessage
1281 	 * contains a pointer to an array of #GInputVector structs describing the
1282 	 * buffers that the data received in each message will be written to. Using
1283 	 * multiple #GInputVectors is more memory-efficient than manually copying data
1284 	 * out of a single buffer to multiple sources, and more system-call-efficient
1285 	 * than making multiple calls to g_socket_receive(), such as in scenarios where
1286 	 * a lot of data packets need to be received (e.g. high-bandwidth video
1287 	 * streaming over RTP/UDP).
1288 	 *
1289 	 * @flags modify how all messages are received. The commonly available
1290 	 * arguments for this are available in the #GSocketMsgFlags enum, but the
1291 	 * values there are the same as the system values, and the flags
1292 	 * are passed in as-is, so you can pass in system-specific flags too. These
1293 	 * flags affect the overall receive operation. Flags affecting individual
1294 	 * messages are returned in #GInputMessage.flags.
1295 	 *
1296 	 * The other members of #GInputMessage are treated as described in its
1297 	 * documentation.
1298 	 *
1299 	 * If #GSocket:blocking is %TRUE the call will block until @num_messages have
1300 	 * been received, or the end of the stream is reached.
1301 	 *
1302 	 * If #GSocket:blocking is %FALSE the call will return up to @num_messages
1303 	 * without blocking, or %G_IO_ERROR_WOULD_BLOCK if no messages are queued in the
1304 	 * operating system to be received.
1305 	 *
1306 	 * In blocking mode, if #GSocket:timeout is positive and is reached before any
1307 	 * messages are received, %G_IO_ERROR_TIMED_OUT is returned, otherwise up to
1308 	 * @num_messages are returned. (Note: This is effectively the
1309 	 * behaviour of `MSG_WAITFORONE` with recvmmsg().)
1310 	 *
1311 	 * To be notified when messages are available, wait for the
1312 	 * %G_IO_IN condition. Note though that you may still receive
1313 	 * %G_IO_ERROR_WOULD_BLOCK from g_socket_receive_messages() even if you were
1314 	 * previously notified of a %G_IO_IN condition.
1315 	 *
1316 	 * If the remote peer closes the connection, any messages queued in the
1317 	 * operating system will be returned, and subsequent calls to
1318 	 * g_socket_receive_messages() will return 0 (with no error set).
1319 	 *
1320 	 * On error -1 is returned and @error is set accordingly. An error will only
1321 	 * be returned if zero messages could be received; otherwise the number of
1322 	 * messages successfully received before the error will be returned.
1323 	 *
1324 	 * Params:
1325 	 *     messages = an array of #GInputMessage structs
1326 	 *     numMessages = the number of elements in @messages
1327 	 *     flags = an int containing #GSocketMsgFlags flags for the overall operation
1328 	 *     cancellable = a %GCancellable or %NULL
1329 	 *
1330 	 * Return: number of messages received, or -1 on error. Note that the number
1331 	 *     of messages received may be smaller than @num_messages if in non-blocking
1332 	 *     mode, if the peer closed the connection, or if @num_messages
1333 	 *     was larger than `UIO_MAXIOV` (1024), in which case the caller may re-try
1334 	 *     to receive the remaining messages.
1335 	 *
1336 	 * Since: 2.48
1337 	 *
1338 	 * Throws: GException on failure.
1339 	 */
1340 	public int receiveMessages(GInputMessage[] messages, int flags, Cancellable cancellable)
1341 	{
1342 		GError* err = null;
1343 		
1344 		auto p = g_socket_receive_messages(gSocket, messages.ptr, cast(uint)messages.length, flags, (cancellable is null) ? null : cancellable.getCancellableStruct(), &err);
1345 		
1346 		if (err !is null)
1347 		{
1348 			throw new GException( new ErrorG(err) );
1349 		}
1350 		
1351 		return p;
1352 	}
1353 
1354 	/**
1355 	 * This behaves exactly the same as g_socket_receive(), except that
1356 	 * the choice of blocking or non-blocking behavior is determined by
1357 	 * the @blocking argument rather than by @socket's properties.
1358 	 *
1359 	 * Params:
1360 	 *     buffer = a buffer to
1361 	 *         read data into (which should be at least @size bytes long).
1362 	 *     size = the number of bytes you want to read from the socket
1363 	 *     blocking = whether to do blocking or non-blocking I/O
1364 	 *     cancellable = a %GCancellable or %NULL
1365 	 *
1366 	 * Return: Number of bytes read, or 0 if the connection was closed by
1367 	 *     the peer, or -1 on error
1368 	 *
1369 	 * Since: 2.26
1370 	 *
1371 	 * Throws: GException on failure.
1372 	 */
1373 	public ptrdiff_t receiveWithBlocking(string buffer, bool blocking, Cancellable cancellable)
1374 	{
1375 		GError* err = null;
1376 		
1377 		auto p = g_socket_receive_with_blocking(gSocket, Str.toStringz(buffer), cast(size_t)buffer.length, blocking, (cancellable is null) ? null : cancellable.getCancellableStruct(), &err);
1378 		
1379 		if (err !is null)
1380 		{
1381 			throw new GException( new ErrorG(err) );
1382 		}
1383 		
1384 		return p;
1385 	}
1386 
1387 	/**
1388 	 * Tries to send @size bytes from @buffer on the socket. This is
1389 	 * mainly used by connection-oriented sockets; it is identical to
1390 	 * g_socket_send_to() with @address set to %NULL.
1391 	 *
1392 	 * If the socket is in blocking mode the call will block until there is
1393 	 * space for the data in the socket queue. If there is no space available
1394 	 * and the socket is in non-blocking mode a %G_IO_ERROR_WOULD_BLOCK error
1395 	 * will be returned. To be notified when space is available, wait for the
1396 	 * %G_IO_OUT condition. Note though that you may still receive
1397 	 * %G_IO_ERROR_WOULD_BLOCK from g_socket_send() even if you were previously
1398 	 * notified of a %G_IO_OUT condition. (On Windows in particular, this is
1399 	 * very common due to the way the underlying APIs work.)
1400 	 *
1401 	 * On error -1 is returned and @error is set accordingly.
1402 	 *
1403 	 * Params:
1404 	 *     buffer = the buffer
1405 	 *         containing the data to send.
1406 	 *     size = the number of bytes to send
1407 	 *     cancellable = a %GCancellable or %NULL
1408 	 *
1409 	 * Return: Number of bytes written (which may be less than @size), or -1
1410 	 *     on error
1411 	 *
1412 	 * Since: 2.22
1413 	 *
1414 	 * Throws: GException on failure.
1415 	 */
1416 	public ptrdiff_t send(string buffer, Cancellable cancellable)
1417 	{
1418 		GError* err = null;
1419 		
1420 		auto p = g_socket_send(gSocket, Str.toStringz(buffer), cast(size_t)buffer.length, (cancellable is null) ? null : cancellable.getCancellableStruct(), &err);
1421 		
1422 		if (err !is null)
1423 		{
1424 			throw new GException( new ErrorG(err) );
1425 		}
1426 		
1427 		return p;
1428 	}
1429 
1430 	/**
1431 	 * Send data to @address on @socket.  For sending multiple messages see
1432 	 * g_socket_send_messages(); for easier use, see
1433 	 * g_socket_send() and g_socket_send_to().
1434 	 *
1435 	 * If @address is %NULL then the message is sent to the default receiver
1436 	 * (set by g_socket_connect()).
1437 	 *
1438 	 * @vectors must point to an array of #GOutputVector structs and
1439 	 * @num_vectors must be the length of this array. (If @num_vectors is -1,
1440 	 * then @vectors is assumed to be terminated by a #GOutputVector with a
1441 	 * %NULL buffer pointer.) The #GOutputVector structs describe the buffers
1442 	 * that the sent data will be gathered from. Using multiple
1443 	 * #GOutputVectors is more memory-efficient than manually copying
1444 	 * data from multiple sources into a single buffer, and more
1445 	 * network-efficient than making multiple calls to g_socket_send().
1446 	 *
1447 	 * @messages, if non-%NULL, is taken to point to an array of @num_messages
1448 	 * #GSocketControlMessage instances. These correspond to the control
1449 	 * messages to be sent on the socket.
1450 	 * If @num_messages is -1 then @messages is treated as a %NULL-terminated
1451 	 * array.
1452 	 *
1453 	 * @flags modify how the message is sent. The commonly available arguments
1454 	 * for this are available in the #GSocketMsgFlags enum, but the
1455 	 * values there are the same as the system values, and the flags
1456 	 * are passed in as-is, so you can pass in system-specific flags too.
1457 	 *
1458 	 * If the socket is in blocking mode the call will block until there is
1459 	 * space for the data in the socket queue. If there is no space available
1460 	 * and the socket is in non-blocking mode a %G_IO_ERROR_WOULD_BLOCK error
1461 	 * will be returned. To be notified when space is available, wait for the
1462 	 * %G_IO_OUT condition. Note though that you may still receive
1463 	 * %G_IO_ERROR_WOULD_BLOCK from g_socket_send() even if you were previously
1464 	 * notified of a %G_IO_OUT condition. (On Windows in particular, this is
1465 	 * very common due to the way the underlying APIs work.)
1466 	 *
1467 	 * On error -1 is returned and @error is set accordingly.
1468 	 *
1469 	 * Params:
1470 	 *     address = a #GSocketAddress, or %NULL
1471 	 *     vectors = an array of #GOutputVector structs
1472 	 *     numVectors = the number of elements in @vectors, or -1
1473 	 *     messages = a pointer to an
1474 	 *         array of #GSocketControlMessages, or %NULL.
1475 	 *     numMessages = number of elements in @messages, or -1.
1476 	 *     flags = an int containing #GSocketMsgFlags flags
1477 	 *     cancellable = a %GCancellable or %NULL
1478 	 *
1479 	 * Return: Number of bytes written (which may be less than @size), or -1
1480 	 *     on error
1481 	 *
1482 	 * Since: 2.22
1483 	 *
1484 	 * Throws: GException on failure.
1485 	 */
1486 	public ptrdiff_t sendMessage(SocketAddress address, GOutputVector[] vectors, SocketControlMessage[] messages, int flags, Cancellable cancellable)
1487 	{
1488 		GSocketControlMessage*[] messagesArray = new GSocketControlMessage*[messages.length];
1489 		for ( int i = 0; i < messages.length; i++ )
1490 		{
1491 			messagesArray[i] = messages[i].getSocketControlMessageStruct();
1492 		}
1493 		
1494 		GError* err = null;
1495 		
1496 		auto p = g_socket_send_message(gSocket, (address is null) ? null : address.getSocketAddressStruct(), vectors.ptr, cast(int)vectors.length, messagesArray.ptr, cast(int)messages.length, flags, (cancellable is null) ? null : cancellable.getCancellableStruct(), &err);
1497 		
1498 		if (err !is null)
1499 		{
1500 			throw new GException( new ErrorG(err) );
1501 		}
1502 		
1503 		return p;
1504 	}
1505 
1506 	/**
1507 	 * Send multiple data messages from @socket in one go.  This is the most
1508 	 * complicated and fully-featured version of this call. For easier use, see
1509 	 * g_socket_send(), g_socket_send_to(), and g_socket_send_message().
1510 	 *
1511 	 * @messages must point to an array of #GOutputMessage structs and
1512 	 * @num_messages must be the length of this array. Each #GOutputMessage
1513 	 * contains an address to send the data to, and a pointer to an array of
1514 	 * #GOutputVector structs to describe the buffers that the data to be sent
1515 	 * for each message will be gathered from. Using multiple #GOutputVectors is
1516 	 * more memory-efficient than manually copying data from multiple sources
1517 	 * into a single buffer, and more network-efficient than making multiple
1518 	 * calls to g_socket_send(). Sending multiple messages in one go avoids the
1519 	 * overhead of making a lot of syscalls in scenarios where a lot of data
1520 	 * packets need to be sent (e.g. high-bandwidth video streaming over RTP/UDP),
1521 	 * or where the same data needs to be sent to multiple recipients.
1522 	 *
1523 	 * @flags modify how the message is sent. The commonly available arguments
1524 	 * for this are available in the #GSocketMsgFlags enum, but the
1525 	 * values there are the same as the system values, and the flags
1526 	 * are passed in as-is, so you can pass in system-specific flags too.
1527 	 *
1528 	 * If the socket is in blocking mode the call will block until there is
1529 	 * space for all the data in the socket queue. If there is no space available
1530 	 * and the socket is in non-blocking mode a %G_IO_ERROR_WOULD_BLOCK error
1531 	 * will be returned if no data was written at all, otherwise the number of
1532 	 * messages sent will be returned. To be notified when space is available,
1533 	 * wait for the %G_IO_OUT condition. Note though that you may still receive
1534 	 * %G_IO_ERROR_WOULD_BLOCK from g_socket_send() even if you were previously
1535 	 * notified of a %G_IO_OUT condition. (On Windows in particular, this is
1536 	 * very common due to the way the underlying APIs work.)
1537 	 *
1538 	 * On error -1 is returned and @error is set accordingly. An error will only
1539 	 * be returned if zero messages could be sent; otherwise the number of messages
1540 	 * successfully sent before the error will be returned.
1541 	 *
1542 	 * Params:
1543 	 *     messages = an array of #GOutputMessage structs
1544 	 *     numMessages = the number of elements in @messages
1545 	 *     flags = an int containing #GSocketMsgFlags flags
1546 	 *     cancellable = a %GCancellable or %NULL
1547 	 *
1548 	 * Return: number of messages sent, or -1 on error. Note that the number of
1549 	 *     messages sent may be smaller than @num_messages if the socket is
1550 	 *     non-blocking or if @num_messages was larger than UIO_MAXIOV (1024),
1551 	 *     in which case the caller may re-try to send the remaining messages.
1552 	 *
1553 	 * Since: 2.44
1554 	 *
1555 	 * Throws: GException on failure.
1556 	 */
1557 	public int sendMessages(GOutputMessage[] messages, int flags, Cancellable cancellable)
1558 	{
1559 		GError* err = null;
1560 		
1561 		auto p = g_socket_send_messages(gSocket, messages.ptr, cast(uint)messages.length, flags, (cancellable is null) ? null : cancellable.getCancellableStruct(), &err);
1562 		
1563 		if (err !is null)
1564 		{
1565 			throw new GException( new ErrorG(err) );
1566 		}
1567 		
1568 		return p;
1569 	}
1570 
1571 	/**
1572 	 * Tries to send @size bytes from @buffer to @address. If @address is
1573 	 * %NULL then the message is sent to the default receiver (set by
1574 	 * g_socket_connect()).
1575 	 *
1576 	 * See g_socket_send() for additional information.
1577 	 *
1578 	 * Params:
1579 	 *     address = a #GSocketAddress, or %NULL
1580 	 *     buffer = the buffer
1581 	 *         containing the data to send.
1582 	 *     size = the number of bytes to send
1583 	 *     cancellable = a %GCancellable or %NULL
1584 	 *
1585 	 * Return: Number of bytes written (which may be less than @size), or -1
1586 	 *     on error
1587 	 *
1588 	 * Since: 2.22
1589 	 *
1590 	 * Throws: GException on failure.
1591 	 */
1592 	public ptrdiff_t sendTo(SocketAddress address, string buffer, Cancellable cancellable)
1593 	{
1594 		GError* err = null;
1595 		
1596 		auto p = g_socket_send_to(gSocket, (address is null) ? null : address.getSocketAddressStruct(), Str.toStringz(buffer), cast(size_t)buffer.length, (cancellable is null) ? null : cancellable.getCancellableStruct(), &err);
1597 		
1598 		if (err !is null)
1599 		{
1600 			throw new GException( new ErrorG(err) );
1601 		}
1602 		
1603 		return p;
1604 	}
1605 
1606 	/**
1607 	 * This behaves exactly the same as g_socket_send(), except that
1608 	 * the choice of blocking or non-blocking behavior is determined by
1609 	 * the @blocking argument rather than by @socket's properties.
1610 	 *
1611 	 * Params:
1612 	 *     buffer = the buffer
1613 	 *         containing the data to send.
1614 	 *     size = the number of bytes to send
1615 	 *     blocking = whether to do blocking or non-blocking I/O
1616 	 *     cancellable = a %GCancellable or %NULL
1617 	 *
1618 	 * Return: Number of bytes written (which may be less than @size), or -1
1619 	 *     on error
1620 	 *
1621 	 * Since: 2.26
1622 	 *
1623 	 * Throws: GException on failure.
1624 	 */
1625 	public ptrdiff_t sendWithBlocking(string buffer, bool blocking, Cancellable cancellable)
1626 	{
1627 		GError* err = null;
1628 		
1629 		auto p = g_socket_send_with_blocking(gSocket, Str.toStringz(buffer), cast(size_t)buffer.length, blocking, (cancellable is null) ? null : cancellable.getCancellableStruct(), &err);
1630 		
1631 		if (err !is null)
1632 		{
1633 			throw new GException( new ErrorG(err) );
1634 		}
1635 		
1636 		return p;
1637 	}
1638 
1639 	/**
1640 	 * Sets the blocking mode of the socket. In blocking mode
1641 	 * all operations (which don’t take an explicit blocking parameter) block until
1642 	 * they succeed or there is an error. In
1643 	 * non-blocking mode all functions return results immediately or
1644 	 * with a %G_IO_ERROR_WOULD_BLOCK error.
1645 	 *
1646 	 * All sockets are created in blocking mode. However, note that the
1647 	 * platform level socket is always non-blocking, and blocking mode
1648 	 * is a GSocket level feature.
1649 	 *
1650 	 * Params:
1651 	 *     blocking = Whether to use blocking I/O or not.
1652 	 *
1653 	 * Since: 2.22
1654 	 */
1655 	public void setBlocking(bool blocking)
1656 	{
1657 		g_socket_set_blocking(gSocket, blocking);
1658 	}
1659 
1660 	/**
1661 	 * Sets whether @socket should allow sending to broadcast addresses.
1662 	 * This is %FALSE by default.
1663 	 *
1664 	 * Params:
1665 	 *     broadcast = whether @socket should allow sending to broadcast
1666 	 *         addresses
1667 	 *
1668 	 * Since: 2.32
1669 	 */
1670 	public void setBroadcast(bool broadcast)
1671 	{
1672 		g_socket_set_broadcast(gSocket, broadcast);
1673 	}
1674 
1675 	/**
1676 	 * Sets or unsets the %SO_KEEPALIVE flag on the underlying socket. When
1677 	 * this flag is set on a socket, the system will attempt to verify that the
1678 	 * remote socket endpoint is still present if a sufficiently long period of
1679 	 * time passes with no data being exchanged. If the system is unable to
1680 	 * verify the presence of the remote endpoint, it will automatically close
1681 	 * the connection.
1682 	 *
1683 	 * This option is only functional on certain kinds of sockets. (Notably,
1684 	 * %G_SOCKET_PROTOCOL_TCP sockets.)
1685 	 *
1686 	 * The exact time between pings is system- and protocol-dependent, but will
1687 	 * normally be at least two hours. Most commonly, you would set this flag
1688 	 * on a server socket if you want to allow clients to remain idle for long
1689 	 * periods of time, but also want to ensure that connections are eventually
1690 	 * garbage-collected if clients crash or become unreachable.
1691 	 *
1692 	 * Params:
1693 	 *     keepalive = Value for the keepalive flag
1694 	 *
1695 	 * Since: 2.22
1696 	 */
1697 	public void setKeepalive(bool keepalive)
1698 	{
1699 		g_socket_set_keepalive(gSocket, keepalive);
1700 	}
1701 
1702 	/**
1703 	 * Sets the maximum number of outstanding connections allowed
1704 	 * when listening on this socket. If more clients than this are
1705 	 * connecting to the socket and the application is not handling them
1706 	 * on time then the new connections will be refused.
1707 	 *
1708 	 * Note that this must be called before g_socket_listen() and has no
1709 	 * effect if called after that.
1710 	 *
1711 	 * Params:
1712 	 *     backlog = the maximum number of pending connections.
1713 	 *
1714 	 * Since: 2.22
1715 	 */
1716 	public void setListenBacklog(int backlog)
1717 	{
1718 		g_socket_set_listen_backlog(gSocket, backlog);
1719 	}
1720 
1721 	/**
1722 	 * Sets whether outgoing multicast packets will be received by sockets
1723 	 * listening on that multicast address on the same host. This is %TRUE
1724 	 * by default.
1725 	 *
1726 	 * Params:
1727 	 *     loopback = whether @socket should receive messages sent to its
1728 	 *         multicast groups from the local host
1729 	 *
1730 	 * Since: 2.32
1731 	 */
1732 	public void setMulticastLoopback(bool loopback)
1733 	{
1734 		g_socket_set_multicast_loopback(gSocket, loopback);
1735 	}
1736 
1737 	/**
1738 	 * Sets the time-to-live for outgoing multicast datagrams on @socket.
1739 	 * By default, this is 1, meaning that multicast packets will not leave
1740 	 * the local network.
1741 	 *
1742 	 * Params:
1743 	 *     ttl = the time-to-live value for all multicast datagrams on @socket
1744 	 *
1745 	 * Since: 2.32
1746 	 */
1747 	public void setMulticastTtl(uint ttl)
1748 	{
1749 		g_socket_set_multicast_ttl(gSocket, ttl);
1750 	}
1751 
1752 	/**
1753 	 * Sets the value of an integer-valued option on @socket, as with
1754 	 * setsockopt(). (If you need to set a non-integer-valued option,
1755 	 * you will need to call setsockopt() directly.)
1756 	 *
1757 	 * The [<gio/gnetworking.h>][gio-gnetworking.h]
1758 	 * header pulls in system headers that will define most of the
1759 	 * standard/portable socket options. For unusual socket protocols or
1760 	 * platform-dependent options, you may need to include additional
1761 	 * headers.
1762 	 *
1763 	 * Params:
1764 	 *     level = the "API level" of the option (eg, `SOL_SOCKET`)
1765 	 *     optname = the "name" of the option (eg, `SO_BROADCAST`)
1766 	 *     value = the value to set the option to
1767 	 *
1768 	 * Return: success or failure. On failure, @error will be set, and
1769 	 *     the system error value (`errno` or WSAGetLastError()) will still
1770 	 *     be set to the result of the setsockopt() call.
1771 	 *
1772 	 * Since: 2.36
1773 	 *
1774 	 * Throws: GException on failure.
1775 	 */
1776 	public bool setOption(int level, int optname, int value)
1777 	{
1778 		GError* err = null;
1779 		
1780 		auto p = g_socket_set_option(gSocket, level, optname, value, &err) != 0;
1781 		
1782 		if (err !is null)
1783 		{
1784 			throw new GException( new ErrorG(err) );
1785 		}
1786 		
1787 		return p;
1788 	}
1789 
1790 	/**
1791 	 * Sets the time in seconds after which I/O operations on @socket will
1792 	 * time out if they have not yet completed.
1793 	 *
1794 	 * On a blocking socket, this means that any blocking #GSocket
1795 	 * operation will time out after @timeout seconds of inactivity,
1796 	 * returning %G_IO_ERROR_TIMED_OUT.
1797 	 *
1798 	 * On a non-blocking socket, calls to g_socket_condition_wait() will
1799 	 * also fail with %G_IO_ERROR_TIMED_OUT after the given time. Sources
1800 	 * created with g_socket_create_source() will trigger after
1801 	 * @timeout seconds of inactivity, with the requested condition
1802 	 * set, at which point calling g_socket_receive(), g_socket_send(),
1803 	 * g_socket_check_connect_result(), etc, will fail with
1804 	 * %G_IO_ERROR_TIMED_OUT.
1805 	 *
1806 	 * If @timeout is 0 (the default), operations will never time out
1807 	 * on their own.
1808 	 *
1809 	 * Note that if an I/O operation is interrupted by a signal, this may
1810 	 * cause the timeout to be reset.
1811 	 *
1812 	 * Params:
1813 	 *     timeout = the timeout for @socket, in seconds, or 0 for none
1814 	 *
1815 	 * Since: 2.26
1816 	 */
1817 	public void setTimeout(uint timeout)
1818 	{
1819 		g_socket_set_timeout(gSocket, timeout);
1820 	}
1821 
1822 	/**
1823 	 * Sets the time-to-live for outgoing unicast packets on @socket.
1824 	 * By default the platform-specific default value is used.
1825 	 *
1826 	 * Params:
1827 	 *     ttl = the time-to-live value for all unicast packets on @socket
1828 	 *
1829 	 * Since: 2.32
1830 	 */
1831 	public void setTtl(uint ttl)
1832 	{
1833 		g_socket_set_ttl(gSocket, ttl);
1834 	}
1835 
1836 	/**
1837 	 * Shut down part or all of a full-duplex connection.
1838 	 *
1839 	 * If @shutdown_read is %TRUE then the receiving side of the connection
1840 	 * is shut down, and further reading is disallowed.
1841 	 *
1842 	 * If @shutdown_write is %TRUE then the sending side of the connection
1843 	 * is shut down, and further writing is disallowed.
1844 	 *
1845 	 * It is allowed for both @shutdown_read and @shutdown_write to be %TRUE.
1846 	 *
1847 	 * One example where it is useful to shut down only one side of a connection is
1848 	 * graceful disconnect for TCP connections where you close the sending side,
1849 	 * then wait for the other side to close the connection, thus ensuring that the
1850 	 * other side saw all sent data.
1851 	 *
1852 	 * Params:
1853 	 *     shutdownRead = whether to shut down the read side
1854 	 *     shutdownWrite = whether to shut down the write side
1855 	 *
1856 	 * Return: %TRUE on success, %FALSE on error
1857 	 *
1858 	 * Since: 2.22
1859 	 *
1860 	 * Throws: GException on failure.
1861 	 */
1862 	public bool shutdown(bool shutdownRead, bool shutdownWrite)
1863 	{
1864 		GError* err = null;
1865 		
1866 		auto p = g_socket_shutdown(gSocket, shutdownRead, shutdownWrite, &err) != 0;
1867 		
1868 		if (err !is null)
1869 		{
1870 			throw new GException( new ErrorG(err) );
1871 		}
1872 		
1873 		return p;
1874 	}
1875 
1876 	/**
1877 	 * Checks if a socket is capable of speaking IPv4.
1878 	 *
1879 	 * IPv4 sockets are capable of speaking IPv4.  On some operating systems
1880 	 * and under some combinations of circumstances IPv6 sockets are also
1881 	 * capable of speaking IPv4.  See RFC 3493 section 3.7 for more
1882 	 * information.
1883 	 *
1884 	 * No other types of sockets are currently considered as being capable
1885 	 * of speaking IPv4.
1886 	 *
1887 	 * Return: %TRUE if this socket can be used with IPv4.
1888 	 *
1889 	 * Since: 2.22
1890 	 */
1891 	public bool speaksIpv4()
1892 	{
1893 		return g_socket_speaks_ipv4(gSocket) != 0;
1894 	}
1895 }