1 /* GIO - GLib Input, Output and Streaming Library
3 * Copyright © 2008 Christian Kellner, Samuel Cormier-Iijima
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General
17 * Public License along with this library; if not, write to the
18 * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
19 * Boston, MA 02111-1307, USA.
21 * Authors: Christian Kellner <gicmo@gnome.org>
22 * Samuel Cormier-Iijima <sciyoshi@gmail.com>
23 * Ryan Lortie <desrt@desrt.ca>
27 #include "goutputstream.h"
28 #include "gsocketoutputstream.h"
31 #include "gsimpleasyncresult.h"
32 #include "gcancellable.h"
33 #include "gpollableinputstream.h"
34 #include "gpollableoutputstream.h"
39 static void g_socket_output_stream_pollable_iface_init (GPollableOutputStreamInterface *iface);
41 #define g_socket_output_stream_get_type _g_socket_output_stream_get_type
42 G_DEFINE_TYPE_WITH_CODE (GSocketOutputStream, g_socket_output_stream, G_TYPE_OUTPUT_STREAM,
43 G_IMPLEMENT_INTERFACE (G_TYPE_POLLABLE_OUTPUT_STREAM, g_socket_output_stream_pollable_iface_init)
52 struct _GSocketOutputStreamPrivate
56 /* pending operation metadata */
57 GSimpleAsyncResult *result;
58 GCancellable *cancellable;
64 g_socket_output_stream_get_property (GObject *object,
69 GSocketOutputStream *stream = G_SOCKET_OUTPUT_STREAM (object);
74 g_value_set_object (value, stream->priv->socket);
78 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
83 g_socket_output_stream_set_property (GObject *object,
88 GSocketOutputStream *stream = G_SOCKET_OUTPUT_STREAM (object);
93 stream->priv->socket = g_value_dup_object (value);
97 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
102 g_socket_output_stream_finalize (GObject *object)
104 GSocketOutputStream *stream = G_SOCKET_OUTPUT_STREAM (object);
106 if (stream->priv->socket)
107 g_object_unref (stream->priv->socket);
109 if (G_OBJECT_CLASS (g_socket_output_stream_parent_class)->finalize)
110 (*G_OBJECT_CLASS (g_socket_output_stream_parent_class)->finalize) (object);
114 g_socket_output_stream_write (GOutputStream *stream,
117 GCancellable *cancellable,
120 GSocketOutputStream *onput_stream = G_SOCKET_OUTPUT_STREAM (stream);
122 return g_socket_send_with_blocking (onput_stream->priv->socket,
128 g_socket_output_stream_write_ready (GSocket *socket,
129 GIOCondition condition,
130 GSocketOutputStream *stream)
132 GSimpleAsyncResult *simple;
133 GError *error = NULL;
136 result = g_socket_send_with_blocking (stream->priv->socket,
137 stream->priv->buffer,
140 stream->priv->cancellable,
143 if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_WOULD_BLOCK))
146 simple = stream->priv->result;
147 stream->priv->result = NULL;
150 g_simple_async_result_set_op_res_gssize (simple, result);
153 g_simple_async_result_take_error (simple, error);
155 if (stream->priv->cancellable)
156 g_object_unref (stream->priv->cancellable);
158 g_simple_async_result_complete (simple);
159 g_object_unref (simple);
165 g_socket_output_stream_write_async (GOutputStream *stream,
169 GCancellable *cancellable,
170 GAsyncReadyCallback callback,
173 GSocketOutputStream *output_stream = G_SOCKET_OUTPUT_STREAM (stream);
176 g_assert (output_stream->priv->result == NULL);
178 output_stream->priv->result =
179 g_simple_async_result_new (G_OBJECT (stream), callback, user_data,
180 g_socket_output_stream_write_async);
182 g_object_ref (cancellable);
183 output_stream->priv->cancellable = cancellable;
184 output_stream->priv->buffer = buffer;
185 output_stream->priv->count = count;
187 source = g_socket_create_source (output_stream->priv->socket,
188 G_IO_OUT | G_IO_HUP | G_IO_ERR,
190 g_source_set_callback (source,
191 (GSourceFunc) g_socket_output_stream_write_ready,
192 g_object_ref (output_stream), g_object_unref);
193 g_source_attach (source, g_main_context_get_thread_default ());
194 g_source_unref (source);
198 g_socket_output_stream_write_finish (GOutputStream *stream,
199 GAsyncResult *result,
202 GSimpleAsyncResult *simple;
205 g_return_val_if_fail (G_IS_SOCKET_OUTPUT_STREAM (stream), -1);
207 simple = G_SIMPLE_ASYNC_RESULT (result);
209 g_warn_if_fail (g_simple_async_result_get_source_tag (simple) == g_socket_output_stream_write_async);
211 count = g_simple_async_result_get_op_res_gssize (simple);
217 g_socket_output_stream_pollable_is_writable (GPollableOutputStream *pollable)
219 GSocketOutputStream *output_stream = G_SOCKET_OUTPUT_STREAM (pollable);
221 return g_socket_condition_check (output_stream->priv->socket, G_IO_OUT);
225 g_socket_output_stream_pollable_create_source (GPollableOutputStream *pollable,
226 GCancellable *cancellable)
228 GSocketOutputStream *output_stream = G_SOCKET_OUTPUT_STREAM (pollable);
229 GSource *socket_source, *pollable_source;
231 pollable_source = g_pollable_source_new (G_OBJECT (output_stream));
232 socket_source = g_socket_create_source (output_stream->priv->socket,
233 G_IO_OUT, cancellable);
234 g_source_set_dummy_callback (socket_source);
235 g_source_add_child_source (pollable_source, socket_source);
236 g_source_unref (socket_source);
238 return pollable_source;
242 g_socket_output_stream_pollable_write_nonblocking (GPollableOutputStream *pollable,
247 GSocketOutputStream *output_stream = G_SOCKET_OUTPUT_STREAM (pollable);
249 return g_socket_send_with_blocking (output_stream->priv->socket,
255 g_socket_output_stream_class_init (GSocketOutputStreamClass *klass)
257 GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
258 GOutputStreamClass *goutputstream_class = G_OUTPUT_STREAM_CLASS (klass);
260 g_type_class_add_private (klass, sizeof (GSocketOutputStreamPrivate));
262 gobject_class->finalize = g_socket_output_stream_finalize;
263 gobject_class->get_property = g_socket_output_stream_get_property;
264 gobject_class->set_property = g_socket_output_stream_set_property;
266 goutputstream_class->write_fn = g_socket_output_stream_write;
267 goutputstream_class->write_async = g_socket_output_stream_write_async;
268 goutputstream_class->write_finish = g_socket_output_stream_write_finish;
270 g_object_class_install_property (gobject_class, PROP_SOCKET,
271 g_param_spec_object ("socket",
273 P_("The socket that this stream wraps"),
274 G_TYPE_SOCKET, G_PARAM_CONSTRUCT_ONLY |
275 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
279 g_socket_output_stream_pollable_iface_init (GPollableOutputStreamInterface *iface)
281 iface->is_writable = g_socket_output_stream_pollable_is_writable;
282 iface->create_source = g_socket_output_stream_pollable_create_source;
283 iface->write_nonblocking = g_socket_output_stream_pollable_write_nonblocking;
287 g_socket_output_stream_init (GSocketOutputStream *stream)
289 stream->priv = G_TYPE_INSTANCE_GET_PRIVATE (stream, G_TYPE_SOCKET_OUTPUT_STREAM, GSocketOutputStreamPrivate);
292 GSocketOutputStream *
293 _g_socket_output_stream_new (GSocket *socket)
295 return G_SOCKET_OUTPUT_STREAM (g_object_new (G_TYPE_SOCKET_OUTPUT_STREAM, "socket", socket, NULL));