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 "gsocketinputstream.h"
30 #include <gio/gsimpleasyncresult.h>
31 #include <gio/gcancellable.h>
32 #include <gio/gioerror.h>
35 #define g_socket_input_stream_get_type _g_socket_input_stream_get_type
36 G_DEFINE_TYPE (GSocketInputStream, g_socket_input_stream, G_TYPE_INPUT_STREAM);
44 struct _GSocketInputStreamPrivate
48 /* pending operation metadata */
49 GSimpleAsyncResult *result;
50 GCancellable *cancellable;
56 g_socket_input_stream_get_property (GObject *object,
61 GSocketInputStream *stream = G_SOCKET_INPUT_STREAM (object);
66 g_value_set_object (value, stream->priv->socket);
70 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
75 g_socket_input_stream_set_property (GObject *object,
80 GSocketInputStream *stream = G_SOCKET_INPUT_STREAM (object);
85 stream->priv->socket = g_value_dup_object (value);
89 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
94 g_socket_input_stream_finalize (GObject *object)
96 GSocketInputStream *stream = G_SOCKET_INPUT_STREAM (object);
98 if (stream->priv->socket)
99 g_object_unref (stream->priv->socket);
101 if (G_OBJECT_CLASS (g_socket_input_stream_parent_class)->finalize)
102 (*G_OBJECT_CLASS (g_socket_input_stream_parent_class)->finalize) (object);
106 g_socket_input_stream_read (GInputStream *stream,
109 GCancellable *cancellable,
112 GSocketInputStream *input_stream = G_SOCKET_INPUT_STREAM (stream);
114 return g_socket_receive (input_stream->priv->socket, buffer, count,
119 g_socket_input_stream_read_ready (GSocket *socket,
120 GIOCondition condition,
121 GSocketInputStream *stream)
123 GSimpleAsyncResult *simple;
124 GError *error = NULL;
127 result = g_socket_receive (stream->priv->socket,
128 stream->priv->buffer,
130 stream->priv->cancellable,
133 if (g_error_matches (error, G_IO_ERROR, G_IO_ERROR_WOULD_BLOCK))
136 simple = stream->priv->result;
137 stream->priv->result = NULL;
140 g_simple_async_result_set_op_res_gssize (simple, result);
144 g_simple_async_result_set_from_error (simple, error);
145 g_error_free (error);
148 if (stream->priv->cancellable)
149 g_object_unref (stream->priv->cancellable);
151 g_simple_async_result_complete (simple);
152 g_object_unref (simple);
158 g_socket_input_stream_read_async (GInputStream *stream,
162 GCancellable *cancellable,
163 GAsyncReadyCallback callback,
166 GSocketInputStream *input_stream = G_SOCKET_INPUT_STREAM (stream);
169 g_assert (input_stream->priv->result == NULL);
171 input_stream->priv->result =
172 g_simple_async_result_new (G_OBJECT (stream), callback, user_data,
173 g_socket_input_stream_read_async);
175 g_object_ref (cancellable);
176 input_stream->priv->cancellable = cancellable;
177 input_stream->priv->buffer = buffer;
178 input_stream->priv->count = count;
180 source = g_socket_create_source (input_stream->priv->socket,
181 G_IO_IN | G_IO_HUP | G_IO_ERR,
183 g_source_set_callback (source,
184 (GSourceFunc) g_socket_input_stream_read_ready,
185 g_object_ref (input_stream), g_object_unref);
186 g_source_attach (source, g_main_context_get_thread_default ());
187 g_source_unref (source);
191 g_socket_input_stream_read_finish (GInputStream *stream,
192 GAsyncResult *result,
195 GSimpleAsyncResult *simple;
198 g_return_val_if_fail (G_IS_SOCKET_INPUT_STREAM (stream), -1);
200 simple = G_SIMPLE_ASYNC_RESULT (result);
202 g_warn_if_fail (g_simple_async_result_get_source_tag (simple) == g_socket_input_stream_read_async);
204 count = g_simple_async_result_get_op_res_gssize (simple);
210 g_socket_input_stream_class_init (GSocketInputStreamClass *klass)
212 GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
213 GInputStreamClass *ginputstream_class = G_INPUT_STREAM_CLASS (klass);
215 g_type_class_add_private (klass, sizeof (GSocketInputStreamPrivate));
217 gobject_class->finalize = g_socket_input_stream_finalize;
218 gobject_class->get_property = g_socket_input_stream_get_property;
219 gobject_class->set_property = g_socket_input_stream_set_property;
221 ginputstream_class->read_fn = g_socket_input_stream_read;
222 ginputstream_class->read_async = g_socket_input_stream_read_async;
223 ginputstream_class->read_finish = g_socket_input_stream_read_finish;
225 g_object_class_install_property (gobject_class, PROP_SOCKET,
226 g_param_spec_object ("socket",
228 P_("The socket that this stream wraps"),
229 G_TYPE_SOCKET, G_PARAM_CONSTRUCT_ONLY |
230 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
234 g_socket_input_stream_init (GSocketInputStream *stream)
236 stream->priv = G_TYPE_INSTANCE_GET_PRIVATE (stream, G_TYPE_SOCKET_INPUT_STREAM, GSocketInputStreamPrivate);
240 _g_socket_input_stream_new (GSocket *socket)
242 return G_SOCKET_INPUT_STREAM (g_object_new (G_TYPE_SOCKET_INPUT_STREAM, "socket", socket, NULL));