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
|
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
/* NetworkManager -- Network link manager
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright (C) 2007 - 2008 Novell, Inc.
* Copyright (C) 2008 - 2012 Red Hat, Inc.
*/
#include <string.h>
#include <stdio.h>
#include <dbus/dbus-glib.h>
#ifdef DEBUG
#include "nm-logging.h"
#endif
#include "nm-properties-changed-signal.h"
#include "nm-dbus-glib-types.h"
#define NM_DBUS_PROPERTY_CHANGED "NM_DBUS_PROPERTY_CHANGED"
typedef struct {
GHashTable *hash;
gulong signal_id;
guint idle_id;
} PropertiesChangedInfo;
static void
destroy_value (gpointer data)
{
GValue *val = (GValue *) data;
g_value_unset (val);
g_slice_free (GValue, val);
}
static PropertiesChangedInfo *
properties_changed_info_new (void)
{
PropertiesChangedInfo *info;
info = g_slice_new0 (PropertiesChangedInfo);
info->hash = g_hash_table_new_full (g_str_hash, g_str_equal,
(GDestroyNotify) g_free,
destroy_value);
return info;
}
static void
properties_changed_info_destroy (gpointer data)
{
PropertiesChangedInfo *info = (PropertiesChangedInfo *) data;
if (info->idle_id)
g_source_remove (info->idle_id);
g_hash_table_destroy (info->hash);
g_slice_free (PropertiesChangedInfo, info);
}
#ifdef DEBUG
static void
add_to_string (gpointer key, gpointer value, gpointer user_data)
{
char *buf = (char *) user_data;
GValue str_val = { 0, };
g_value_init (&str_val, G_TYPE_STRING);
if (!g_value_transform ((GValue *) value, &str_val)) {
if (G_VALUE_HOLDS_OBJECT (value)) {
GObject *obj = g_value_get_object (value);
if (g_value_get_object (value)) {
sprintf (buf + strlen (buf), "{%s: %p (%s)}, ",
(const char *) key, obj, G_OBJECT_TYPE_NAME (obj));
} else {
sprintf (buf + strlen (buf), "{%s: %p}, ", (const char *) key, obj);
}
} else
sprintf (buf + strlen (buf), "{%s: <transform error>}, ", (const char *) key);
} else {
sprintf (buf + strlen (buf), "{%s: %s}, ", (const char *) key, g_value_get_string (&str_val));
}
g_value_unset (&str_val);
}
#endif
static gboolean
properties_changed (gpointer data)
{
GObject *object = G_OBJECT (data);
PropertiesChangedInfo *info = (PropertiesChangedInfo *) g_object_get_data (object, NM_DBUS_PROPERTY_CHANGED);
g_assert (info);
#ifdef DEBUG
{
char buf[2048] = { 0, };
g_hash_table_foreach (info->hash, add_to_string, &buf);
nm_log_dbg (LOGD_CORE, "%s -> %s", G_OBJECT_TYPE_NAME (object), buf);
}
#endif
g_signal_emit (object, info->signal_id, 0, info->hash);
g_hash_table_remove_all (info->hash);
return FALSE;
}
static void
idle_id_reset (gpointer data)
{
GObject *object = G_OBJECT (data);
PropertiesChangedInfo *info = (PropertiesChangedInfo *) g_object_get_data (object, NM_DBUS_PROPERTY_CHANGED);
/* info is unset when the object is being destroyed */
if (info)
info->idle_id = 0;
}
static char*
uscore_to_wincaps (const char *uscore)
{
const char *p;
GString *str;
gboolean last_was_uscore;
last_was_uscore = TRUE;
str = g_string_new (NULL);
p = uscore;
while (p && *p) {
if (*p == '-' || *p == '_')
last_was_uscore = TRUE;
else {
if (last_was_uscore) {
g_string_append_c (str, g_ascii_toupper (*p));
last_was_uscore = FALSE;
} else
g_string_append_c (str, *p);
}
++p;
}
return g_string_free (str, FALSE);
}
static void
notify (GObject *object, GParamSpec *pspec)
{
PropertiesChangedInfo *info;
GValue *value;
/* Ignore properties that shouldn't be exported */
if (pspec->flags & NM_PROPERTY_PARAM_NO_EXPORT)
return;
info = (PropertiesChangedInfo *) g_object_get_data (object, NM_DBUS_PROPERTY_CHANGED);
if (!info) {
info = properties_changed_info_new ();
g_object_set_data_full (object, NM_DBUS_PROPERTY_CHANGED, info, properties_changed_info_destroy);
info->signal_id = g_signal_lookup ("properties-changed", G_OBJECT_TYPE (object));
g_assert (info->signal_id);
}
value = g_slice_new0 (GValue);
g_value_init (value, pspec->value_type);
g_object_get_property (object, pspec->name, value);
g_hash_table_insert (info->hash, uscore_to_wincaps (pspec->name), value);
if (!info->idle_id)
info->idle_id = g_idle_add_full (G_PRIORITY_DEFAULT_IDLE, properties_changed, object, idle_id_reset);
}
guint
nm_properties_changed_signal_new (GObjectClass *object_class,
guint class_offset)
{
guint id;
object_class->notify = notify;
id = g_signal_new ("properties-changed",
G_OBJECT_CLASS_TYPE (object_class),
G_SIGNAL_RUN_FIRST,
class_offset,
NULL, NULL,
g_cclosure_marshal_VOID__BOXED,
G_TYPE_NONE, 1, DBUS_TYPE_G_MAP_OF_VARIANT);
return id;
}
|
