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, see <http://www.gnu.org/licenses/>.
19 * Authors: Christian Kellner <gicmo@gnome.org>
20 * Samuel Cormier-Iijima <sciyoshi@gmail.com>
21 * Ryan Lortie <desrt@desrt.ca>
25 #include "goutputstream.h"
26 #include "gsocketoutputstream.h"
30 #include "gcancellable.h"
31 #include "gpollableinputstream.h"
32 #include "gpollableoutputstream.h"
35 #include "gfiledescriptorbased.h"
37 struct _GSocketOutputStreamPrivate
41 /* pending operation metadata */
46 static void g_socket_output_stream_pollable_iface_init (GPollableOutputStreamInterface *iface);
48 static void g_socket_output_stream_file_descriptor_based_iface_init (GFileDescriptorBasedIface *iface);
51 #define g_socket_output_stream_get_type _g_socket_output_stream_get_type
54 G_DEFINE_TYPE_WITH_CODE (GSocketOutputStream, g_socket_output_stream, G_TYPE_OUTPUT_STREAM,
55 G_ADD_PRIVATE (GSocketOutputStream)
56 G_IMPLEMENT_INTERFACE (G_TYPE_POLLABLE_OUTPUT_STREAM, g_socket_output_stream_pollable_iface_init)
57 G_IMPLEMENT_INTERFACE (G_TYPE_FILE_DESCRIPTOR_BASED, g_socket_output_stream_file_descriptor_based_iface_init)
60 G_DEFINE_TYPE_WITH_CODE (GSocketOutputStream, g_socket_output_stream, G_TYPE_OUTPUT_STREAM,
61 G_ADD_PRIVATE (GSocketOutputStream)
62 G_IMPLEMENT_INTERFACE (G_TYPE_POLLABLE_OUTPUT_STREAM, g_socket_output_stream_pollable_iface_init)
73 g_socket_output_stream_get_property (GObject *object,
78 GSocketOutputStream *stream = G_SOCKET_OUTPUT_STREAM (object);
83 g_value_set_object (value, stream->priv->socket);
87 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
92 g_socket_output_stream_set_property (GObject *object,
97 GSocketOutputStream *stream = G_SOCKET_OUTPUT_STREAM (object);
102 stream->priv->socket = g_value_dup_object (value);
106 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
111 g_socket_output_stream_finalize (GObject *object)
113 GSocketOutputStream *stream = G_SOCKET_OUTPUT_STREAM (object);
115 if (stream->priv->socket)
116 g_object_unref (stream->priv->socket);
118 G_OBJECT_CLASS (g_socket_output_stream_parent_class)->finalize (object);
122 g_socket_output_stream_write (GOutputStream *stream,
125 GCancellable *cancellable,
128 GSocketOutputStream *onput_stream = G_SOCKET_OUTPUT_STREAM (stream);
130 return g_socket_send_with_blocking (onput_stream->priv->socket,
136 g_socket_output_stream_pollable_is_writable (GPollableOutputStream *pollable)
138 GSocketOutputStream *output_stream = G_SOCKET_OUTPUT_STREAM (pollable);
140 return g_socket_condition_check (output_stream->priv->socket, G_IO_OUT);
144 g_socket_output_stream_pollable_write_nonblocking (GPollableOutputStream *pollable,
149 GSocketOutputStream *output_stream = G_SOCKET_OUTPUT_STREAM (pollable);
151 return g_socket_send_with_blocking (output_stream->priv->socket,
157 g_socket_output_stream_pollable_create_source (GPollableOutputStream *pollable,
158 GCancellable *cancellable)
160 GSocketOutputStream *output_stream = G_SOCKET_OUTPUT_STREAM (pollable);
161 GSource *socket_source, *pollable_source;
163 pollable_source = g_pollable_source_new (G_OBJECT (output_stream));
164 socket_source = g_socket_create_source (output_stream->priv->socket,
165 G_IO_OUT, cancellable);
166 g_source_set_dummy_callback (socket_source);
167 g_source_add_child_source (pollable_source, socket_source);
168 g_source_unref (socket_source);
170 return pollable_source;
175 g_socket_output_stream_get_fd (GFileDescriptorBased *fd_based)
177 GSocketOutputStream *output_stream = G_SOCKET_OUTPUT_STREAM (fd_based);
179 return g_socket_get_fd (output_stream->priv->socket);
184 g_socket_output_stream_class_init (GSocketOutputStreamClass *klass)
186 GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
187 GOutputStreamClass *goutputstream_class = G_OUTPUT_STREAM_CLASS (klass);
189 gobject_class->finalize = g_socket_output_stream_finalize;
190 gobject_class->get_property = g_socket_output_stream_get_property;
191 gobject_class->set_property = g_socket_output_stream_set_property;
193 goutputstream_class->write_fn = g_socket_output_stream_write;
195 g_object_class_install_property (gobject_class, PROP_SOCKET,
196 g_param_spec_object ("socket",
198 P_("The socket that this stream wraps"),
199 G_TYPE_SOCKET, G_PARAM_CONSTRUCT_ONLY |
200 G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
205 g_socket_output_stream_file_descriptor_based_iface_init (GFileDescriptorBasedIface *iface)
207 iface->get_fd = g_socket_output_stream_get_fd;
212 g_socket_output_stream_pollable_iface_init (GPollableOutputStreamInterface *iface)
214 iface->is_writable = g_socket_output_stream_pollable_is_writable;
215 iface->create_source = g_socket_output_stream_pollable_create_source;
216 iface->write_nonblocking = g_socket_output_stream_pollable_write_nonblocking;
220 g_socket_output_stream_init (GSocketOutputStream *stream)
222 stream->priv = g_socket_output_stream_get_instance_private (stream);
225 GSocketOutputStream *
226 _g_socket_output_stream_new (GSocket *socket)
228 return g_object_new (G_TYPE_SOCKET_OUTPUT_STREAM, "socket", socket, NULL);