1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
|
/* GIO - GLib Input, Output and Streaming Library
*
* Copyright © 2008 Christian Kellner, Samuel Cormier-Iijima
* © 2009 codethink
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
*
* Authors: Christian Kellner <gicmo@gnome.org>
* Samuel Cormier-Iijima <sciyoshi@gmail.com>
* Ryan Lortie <desrt@desrt.ca>
*/
#include "config.h"
#include "gsocketinputstream.h"
#include "glibintl.h"
#include "gcancellable.h"
#include "gpollableinputstream.h"
#include "gioerror.h"
#include "gfiledescriptorbased.h"
struct _GSocketInputStreamPrivate
{
GSocket *socket;
/* pending operation metadata */
gpointer buffer;
gsize count;
};
static void g_socket_input_stream_pollable_iface_init (GPollableInputStreamInterface *iface);
#ifdef G_OS_UNIX
static void g_socket_input_stream_file_descriptor_based_iface_init (GFileDescriptorBasedIface *iface);
#endif
#define g_socket_input_stream_get_type _g_socket_input_stream_get_type
#ifdef G_OS_UNIX
G_DEFINE_TYPE_WITH_CODE (GSocketInputStream, g_socket_input_stream, G_TYPE_INPUT_STREAM,
G_ADD_PRIVATE (GSocketInputStream)
G_IMPLEMENT_INTERFACE (G_TYPE_POLLABLE_INPUT_STREAM, g_socket_input_stream_pollable_iface_init)
G_IMPLEMENT_INTERFACE (G_TYPE_FILE_DESCRIPTOR_BASED, g_socket_input_stream_file_descriptor_based_iface_init)
)
#else
G_DEFINE_TYPE_WITH_CODE (GSocketInputStream, g_socket_input_stream, G_TYPE_INPUT_STREAM,
G_ADD_PRIVATE (GSocketInputStream)
G_IMPLEMENT_INTERFACE (G_TYPE_POLLABLE_INPUT_STREAM, g_socket_input_stream_pollable_iface_init)
)
#endif
enum
{
PROP_0,
PROP_SOCKET
};
static void
g_socket_input_stream_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GSocketInputStream *stream = G_SOCKET_INPUT_STREAM (object);
switch (prop_id)
{
case PROP_SOCKET:
g_value_set_object (value, stream->priv->socket);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
g_socket_input_stream_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GSocketInputStream *stream = G_SOCKET_INPUT_STREAM (object);
switch (prop_id)
{
case PROP_SOCKET:
stream->priv->socket = g_value_dup_object (value);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
}
}
static void
g_socket_input_stream_finalize (GObject *object)
{
GSocketInputStream *stream = G_SOCKET_INPUT_STREAM (object);
if (stream->priv->socket)
g_object_unref (stream->priv->socket);
G_OBJECT_CLASS (g_socket_input_stream_parent_class)->finalize (object);
}
static gssize
g_socket_input_stream_read (GInputStream *stream,
void *buffer,
gsize count,
GCancellable *cancellable,
GError **error)
{
GSocketInputStream *input_stream = G_SOCKET_INPUT_STREAM (stream);
return g_socket_receive_with_blocking (input_stream->priv->socket,
buffer, count, TRUE,
cancellable, error);
}
static gboolean
g_socket_input_stream_pollable_is_readable (GPollableInputStream *pollable)
{
GSocketInputStream *input_stream = G_SOCKET_INPUT_STREAM (pollable);
return g_socket_condition_check (input_stream->priv->socket, G_IO_IN);
}
static GSource *
g_socket_input_stream_pollable_create_source (GPollableInputStream *pollable,
GCancellable *cancellable)
{
GSocketInputStream *input_stream = G_SOCKET_INPUT_STREAM (pollable);
GSource *socket_source, *pollable_source;
pollable_source = g_pollable_source_new (G_OBJECT (input_stream));
socket_source = g_socket_create_source (input_stream->priv->socket,
G_IO_IN, cancellable);
g_source_set_dummy_callback (socket_source);
g_source_add_child_source (pollable_source, socket_source);
g_source_unref (socket_source);
return pollable_source;
}
static gssize
g_socket_input_stream_pollable_read_nonblocking (GPollableInputStream *pollable,
void *buffer,
gsize size,
GError **error)
{
GSocketInputStream *input_stream = G_SOCKET_INPUT_STREAM (pollable);
return g_socket_receive_with_blocking (input_stream->priv->socket,
buffer, size, FALSE,
NULL, error);
}
#ifdef G_OS_UNIX
static int
g_socket_input_stream_get_fd (GFileDescriptorBased *fd_based)
{
GSocketInputStream *input_stream = G_SOCKET_INPUT_STREAM (fd_based);
return g_socket_get_fd (input_stream->priv->socket);
}
#endif
static void
g_socket_input_stream_class_init (GSocketInputStreamClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
GInputStreamClass *ginputstream_class = G_INPUT_STREAM_CLASS (klass);
gobject_class->finalize = g_socket_input_stream_finalize;
gobject_class->get_property = g_socket_input_stream_get_property;
gobject_class->set_property = g_socket_input_stream_set_property;
ginputstream_class->read_fn = g_socket_input_stream_read;
g_object_class_install_property (gobject_class, PROP_SOCKET,
g_param_spec_object ("socket",
P_("socket"),
P_("The socket that this stream wraps"),
G_TYPE_SOCKET, G_PARAM_CONSTRUCT_ONLY |
G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS));
}
#ifdef G_OS_UNIX
static void
g_socket_input_stream_file_descriptor_based_iface_init (GFileDescriptorBasedIface *iface)
{
iface->get_fd = g_socket_input_stream_get_fd;
}
#endif
static void
g_socket_input_stream_pollable_iface_init (GPollableInputStreamInterface *iface)
{
iface->is_readable = g_socket_input_stream_pollable_is_readable;
iface->create_source = g_socket_input_stream_pollable_create_source;
iface->read_nonblocking = g_socket_input_stream_pollable_read_nonblocking;
}
static void
g_socket_input_stream_init (GSocketInputStream *stream)
{
stream->priv = g_socket_input_stream_get_instance_private (stream);
}
GSocketInputStream *
_g_socket_input_stream_new (GSocket *socket)
{
return g_object_new (G_TYPE_SOCKET_INPUT_STREAM, "socket", socket, NULL);
}
|
