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>
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;
51 gboolean from_mainloop;
57 g_socket_input_stream_get_property (GObject *object,
62 GSocketInputStream *stream = G_SOCKET_INPUT_STREAM (object);
67 g_value_set_object (value, stream->priv->socket);
71 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
76 g_socket_input_stream_set_property (GObject *object,
81 GSocketInputStream *stream = G_SOCKET_INPUT_STREAM (object);
86 stream->priv->socket = g_value_dup_object (value);
90 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
95 g_socket_input_stream_finalize (GObject *object)
97 GSocketInputStream *stream = G_SOCKET_INPUT_STREAM (object);
99 if (stream->priv->socket)
100 g_object_unref (stream->priv->socket);
102 if (G_OBJECT_CLASS (g_socket_input_stream_parent_class)->finalize)
103 (*G_OBJECT_CLASS (g_socket_input_stream_parent_class)->finalize) (object);
107 g_socket_input_stream_read (GInputStream *stream,
110 GCancellable *cancellable,
113 GSocketInputStream *input_stream = G_SOCKET_INPUT_STREAM (stream);
115 return g_socket_receive (input_stream->priv->socket, buffer, count,
120 g_socket_input_stream_read_ready (GSocket *socket,
121 GIOCondition condition,
122 GSocketInputStream *stream)
124 GSimpleAsyncResult *simple;
125 GError *error = NULL;
128 simple = stream->priv->result;
129 stream->priv->result = NULL;
131 result = g_socket_receive (stream->priv->socket,
132 stream->priv->buffer,
134 stream->priv->cancellable,
137 g_simple_async_result_set_op_res_gssize (simple, result);
141 g_simple_async_result_set_from_error (simple, error);
142 g_error_free (error);
145 if (stream->priv->cancellable)
146 g_object_unref (stream->priv->cancellable);
148 if (stream->priv->from_mainloop)
149 g_simple_async_result_complete (simple);
151 g_simple_async_result_complete_in_idle (simple);
153 g_object_unref (simple);
159 g_socket_input_stream_read_async (GInputStream *stream,
163 GCancellable *cancellable,
164 GAsyncReadyCallback callback,
167 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 if (!g_socket_condition_check (input_stream->priv->socket, G_IO_IN))
184 input_stream->priv->from_mainloop = TRUE;
185 source = g_socket_create_source (input_stream->priv->socket,
186 G_IO_IN | G_IO_HUP | G_IO_ERR,
188 g_source_set_callback (source,
189 (GSourceFunc) g_socket_input_stream_read_ready,
190 g_object_ref (input_stream), g_object_unref);
191 g_source_attach (source, g_main_context_get_thread_default ());
192 g_source_unref (source);
196 input_stream->priv->from_mainloop = FALSE;
197 g_socket_input_stream_read_ready (input_stream->priv->socket, G_IO_IN, input_stream);
202 g_socket_input_stream_read_finish (GInputStream *stream,
203 GAsyncResult *result,
206 GSimpleAsyncResult *simple;
209 g_return_val_if_fail (G_IS_SOCKET_INPUT_STREAM (stream), -1);
211 simple = G_SIMPLE_ASYNC_RESULT (result);
213 g_warn_if_fail (g_simple_async_result_get_source_tag (simple) == g_socket_input_stream_read_async);
215 count = g_simple_async_result_get_op_res_gssize (simple);
221 g_socket_input_stream_class_init (GSocketInputStreamClass *klass)
223 GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
224 GInputStreamClass *ginputstream_class = G_INPUT_STREAM_CLASS (klass);
226 g_type_class_add_private (klass, sizeof (GSocketInputStreamPrivate));
228 gobject_class->finalize = g_socket_input_stream_finalize;
229 gobject_class->get_property = g_socket_input_stream_get_property;
230 gobject_class->set_property = g_socket_input_stream_set_property;
232 ginputstream_class->read_fn = g_socket_input_stream_read;
233 ginputstream_class->read_async = g_socket_input_stream_read_async;
234 ginputstream_class->read_finish = g_socket_input_stream_read_finish;
236 g_object_class_install_property (gobject_class, PROP_SOCKET,
237 g_param_spec_object ("socket",
239 P_("The socket that this stream wraps"),
240 G_TYPE_SOCKET, G_PARAM_CONSTRUCT_ONLY |
241 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
245 g_socket_input_stream_init (GSocketInputStream *stream)
247 stream->priv = G_TYPE_INSTANCE_GET_PRIVATE (stream, G_TYPE_SOCKET_INPUT_STREAM, GSocketInputStreamPrivate);
251 _g_socket_input_stream_new (GSocket *socket)
253 return G_SOCKET_INPUT_STREAM (g_object_new (G_TYPE_SOCKET_INPUT_STREAM, "socket", socket, NULL));
256 #define __G_SOCKET_INPUT_STREAM_C__
257 #include "gioaliasdef.c"