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1 | 2f28d2ff | Anthony Liguori | /*
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2 | 2f28d2ff | Anthony Liguori | * QEMU Object Model
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3 | 2f28d2ff | Anthony Liguori | *
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4 | 2f28d2ff | Anthony Liguori | * Copyright IBM, Corp. 2011
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5 | 2f28d2ff | Anthony Liguori | *
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6 | 2f28d2ff | Anthony Liguori | * Authors:
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7 | 2f28d2ff | Anthony Liguori | * Anthony Liguori <aliguori@us.ibm.com>
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8 | 2f28d2ff | Anthony Liguori | *
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9 | 2f28d2ff | Anthony Liguori | * This work is licensed under the terms of the GNU GPL, version 2 or later.
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10 | 2f28d2ff | Anthony Liguori | * See the COPYING file in the top-level directory.
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11 | 2f28d2ff | Anthony Liguori | */
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12 | 2f28d2ff | Anthony Liguori | |
13 | 14cccb61 | Paolo Bonzini | #include "qom/object.h" |
14 | 2f28d2ff | Anthony Liguori | #include "qemu-common.h" |
15 | 7b1b5d19 | Paolo Bonzini | #include "qapi/visitor.h" |
16 | b2cd7dee | Paolo Bonzini | #include "qapi/string-input-visitor.h" |
17 | b2cd7dee | Paolo Bonzini | #include "qapi/string-output-visitor.h" |
18 | 7b1b5d19 | Paolo Bonzini | #include "qapi/qmp/qerror.h" |
19 | 2f28d2ff | Anthony Liguori | |
20 | 7b7b7d18 | Paolo Bonzini | /* TODO: replace QObject with a simpler visitor to avoid a dependency
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21 | 7b7b7d18 | Paolo Bonzini | * of the QOM core on QObject? */
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22 | 14cccb61 | Paolo Bonzini | #include "qom/qom-qobject.h" |
23 | 7b1b5d19 | Paolo Bonzini | #include "qapi/qmp/qobject.h" |
24 | 7b1b5d19 | Paolo Bonzini | #include "qapi/qmp/qbool.h" |
25 | 7b1b5d19 | Paolo Bonzini | #include "qapi/qmp/qint.h" |
26 | 7b1b5d19 | Paolo Bonzini | #include "qapi/qmp/qstring.h" |
27 | 7b7b7d18 | Paolo Bonzini | |
28 | 2f28d2ff | Anthony Liguori | #define MAX_INTERFACES 32 |
29 | 2f28d2ff | Anthony Liguori | |
30 | 2f28d2ff | Anthony Liguori | typedef struct InterfaceImpl InterfaceImpl; |
31 | 2f28d2ff | Anthony Liguori | typedef struct TypeImpl TypeImpl; |
32 | 2f28d2ff | Anthony Liguori | |
33 | 2f28d2ff | Anthony Liguori | struct InterfaceImpl
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34 | 2f28d2ff | Anthony Liguori | { |
35 | 33e95c63 | Anthony Liguori | const char *typename; |
36 | 2f28d2ff | Anthony Liguori | }; |
37 | 2f28d2ff | Anthony Liguori | |
38 | 2f28d2ff | Anthony Liguori | struct TypeImpl
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39 | 2f28d2ff | Anthony Liguori | { |
40 | 2f28d2ff | Anthony Liguori | const char *name; |
41 | 2f28d2ff | Anthony Liguori | |
42 | 2f28d2ff | Anthony Liguori | size_t class_size; |
43 | 2f28d2ff | Anthony Liguori | |
44 | 2f28d2ff | Anthony Liguori | size_t instance_size; |
45 | 2f28d2ff | Anthony Liguori | |
46 | 2f28d2ff | Anthony Liguori | void (*class_init)(ObjectClass *klass, void *data); |
47 | 3b50e311 | Paolo Bonzini | void (*class_base_init)(ObjectClass *klass, void *data); |
48 | 2f28d2ff | Anthony Liguori | void (*class_finalize)(ObjectClass *klass, void *data); |
49 | 2f28d2ff | Anthony Liguori | |
50 | 2f28d2ff | Anthony Liguori | void *class_data;
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51 | 2f28d2ff | Anthony Liguori | |
52 | 2f28d2ff | Anthony Liguori | void (*instance_init)(Object *obj);
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53 | 2f28d2ff | Anthony Liguori | void (*instance_finalize)(Object *obj);
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54 | 2f28d2ff | Anthony Liguori | |
55 | 2f28d2ff | Anthony Liguori | bool abstract;
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56 | 2f28d2ff | Anthony Liguori | |
57 | 2f28d2ff | Anthony Liguori | const char *parent; |
58 | 2f28d2ff | Anthony Liguori | TypeImpl *parent_type; |
59 | 2f28d2ff | Anthony Liguori | |
60 | 2f28d2ff | Anthony Liguori | ObjectClass *class; |
61 | 2f28d2ff | Anthony Liguori | |
62 | 2f28d2ff | Anthony Liguori | int num_interfaces;
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63 | 2f28d2ff | Anthony Liguori | InterfaceImpl interfaces[MAX_INTERFACES]; |
64 | 2f28d2ff | Anthony Liguori | }; |
65 | 2f28d2ff | Anthony Liguori | |
66 | 9970bd88 | Paolo Bonzini | static Type type_interface;
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67 | 9970bd88 | Paolo Bonzini | |
68 | 2f28d2ff | Anthony Liguori | static GHashTable *type_table_get(void) |
69 | 2f28d2ff | Anthony Liguori | { |
70 | 2f28d2ff | Anthony Liguori | static GHashTable *type_table;
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71 | 2f28d2ff | Anthony Liguori | |
72 | 2f28d2ff | Anthony Liguori | if (type_table == NULL) { |
73 | 2f28d2ff | Anthony Liguori | type_table = g_hash_table_new(g_str_hash, g_str_equal); |
74 | 2f28d2ff | Anthony Liguori | } |
75 | 2f28d2ff | Anthony Liguori | |
76 | 2f28d2ff | Anthony Liguori | return type_table;
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77 | 2f28d2ff | Anthony Liguori | } |
78 | 2f28d2ff | Anthony Liguori | |
79 | 2f28d2ff | Anthony Liguori | static void type_table_add(TypeImpl *ti) |
80 | 2f28d2ff | Anthony Liguori | { |
81 | 2f28d2ff | Anthony Liguori | g_hash_table_insert(type_table_get(), (void *)ti->name, ti);
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82 | 2f28d2ff | Anthony Liguori | } |
83 | 2f28d2ff | Anthony Liguori | |
84 | 2f28d2ff | Anthony Liguori | static TypeImpl *type_table_lookup(const char *name) |
85 | 2f28d2ff | Anthony Liguori | { |
86 | 2f28d2ff | Anthony Liguori | return g_hash_table_lookup(type_table_get(), name);
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87 | 2f28d2ff | Anthony Liguori | } |
88 | 2f28d2ff | Anthony Liguori | |
89 | 049cb3cf | Paolo Bonzini | static TypeImpl *type_register_internal(const TypeInfo *info) |
90 | 2f28d2ff | Anthony Liguori | { |
91 | 2f28d2ff | Anthony Liguori | TypeImpl *ti = g_malloc0(sizeof(*ti));
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92 | 33e95c63 | Anthony Liguori | int i;
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93 | 2f28d2ff | Anthony Liguori | |
94 | 2f28d2ff | Anthony Liguori | g_assert(info->name != NULL);
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95 | 2f28d2ff | Anthony Liguori | |
96 | 73093354 | Anthony Liguori | if (type_table_lookup(info->name) != NULL) { |
97 | 73093354 | Anthony Liguori | fprintf(stderr, "Registering `%s' which already exists\n", info->name);
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98 | 73093354 | Anthony Liguori | abort(); |
99 | 73093354 | Anthony Liguori | } |
100 | 73093354 | Anthony Liguori | |
101 | 2f28d2ff | Anthony Liguori | ti->name = g_strdup(info->name); |
102 | 2f28d2ff | Anthony Liguori | ti->parent = g_strdup(info->parent); |
103 | 2f28d2ff | Anthony Liguori | |
104 | 2f28d2ff | Anthony Liguori | ti->class_size = info->class_size; |
105 | 2f28d2ff | Anthony Liguori | ti->instance_size = info->instance_size; |
106 | 2f28d2ff | Anthony Liguori | |
107 | 2f28d2ff | Anthony Liguori | ti->class_init = info->class_init; |
108 | 3b50e311 | Paolo Bonzini | ti->class_base_init = info->class_base_init; |
109 | 2f28d2ff | Anthony Liguori | ti->class_finalize = info->class_finalize; |
110 | 2f28d2ff | Anthony Liguori | ti->class_data = info->class_data; |
111 | 2f28d2ff | Anthony Liguori | |
112 | 2f28d2ff | Anthony Liguori | ti->instance_init = info->instance_init; |
113 | 2f28d2ff | Anthony Liguori | ti->instance_finalize = info->instance_finalize; |
114 | 2f28d2ff | Anthony Liguori | |
115 | 2f28d2ff | Anthony Liguori | ti->abstract = info->abstract; |
116 | 2f28d2ff | Anthony Liguori | |
117 | 33e95c63 | Anthony Liguori | for (i = 0; info->interfaces && info->interfaces[i].type; i++) { |
118 | 33e95c63 | Anthony Liguori | ti->interfaces[i].typename = g_strdup(info->interfaces[i].type); |
119 | 2f28d2ff | Anthony Liguori | } |
120 | 33e95c63 | Anthony Liguori | ti->num_interfaces = i; |
121 | 2f28d2ff | Anthony Liguori | |
122 | 2f28d2ff | Anthony Liguori | type_table_add(ti); |
123 | 2f28d2ff | Anthony Liguori | |
124 | 2f28d2ff | Anthony Liguori | return ti;
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125 | 2f28d2ff | Anthony Liguori | } |
126 | 2f28d2ff | Anthony Liguori | |
127 | 049cb3cf | Paolo Bonzini | TypeImpl *type_register(const TypeInfo *info)
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128 | 049cb3cf | Paolo Bonzini | { |
129 | 049cb3cf | Paolo Bonzini | assert(info->parent); |
130 | 049cb3cf | Paolo Bonzini | return type_register_internal(info);
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131 | 049cb3cf | Paolo Bonzini | } |
132 | 049cb3cf | Paolo Bonzini | |
133 | 2f28d2ff | Anthony Liguori | TypeImpl *type_register_static(const TypeInfo *info)
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134 | 2f28d2ff | Anthony Liguori | { |
135 | 2f28d2ff | Anthony Liguori | return type_register(info);
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136 | 2f28d2ff | Anthony Liguori | } |
137 | 2f28d2ff | Anthony Liguori | |
138 | 2f28d2ff | Anthony Liguori | static TypeImpl *type_get_by_name(const char *name) |
139 | 2f28d2ff | Anthony Liguori | { |
140 | 2f28d2ff | Anthony Liguori | if (name == NULL) { |
141 | 2f28d2ff | Anthony Liguori | return NULL; |
142 | 2f28d2ff | Anthony Liguori | } |
143 | 2f28d2ff | Anthony Liguori | |
144 | 2f28d2ff | Anthony Liguori | return type_table_lookup(name);
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145 | 2f28d2ff | Anthony Liguori | } |
146 | 2f28d2ff | Anthony Liguori | |
147 | 2f28d2ff | Anthony Liguori | static TypeImpl *type_get_parent(TypeImpl *type)
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148 | 2f28d2ff | Anthony Liguori | { |
149 | 2f28d2ff | Anthony Liguori | if (!type->parent_type && type->parent) {
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150 | 2f28d2ff | Anthony Liguori | type->parent_type = type_get_by_name(type->parent); |
151 | 2f28d2ff | Anthony Liguori | g_assert(type->parent_type != NULL);
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152 | 2f28d2ff | Anthony Liguori | } |
153 | 2f28d2ff | Anthony Liguori | |
154 | 2f28d2ff | Anthony Liguori | return type->parent_type;
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155 | 2f28d2ff | Anthony Liguori | } |
156 | 2f28d2ff | Anthony Liguori | |
157 | 2f28d2ff | Anthony Liguori | static bool type_has_parent(TypeImpl *type) |
158 | 2f28d2ff | Anthony Liguori | { |
159 | 2f28d2ff | Anthony Liguori | return (type->parent != NULL); |
160 | 2f28d2ff | Anthony Liguori | } |
161 | 2f28d2ff | Anthony Liguori | |
162 | 2f28d2ff | Anthony Liguori | static size_t type_class_get_size(TypeImpl *ti)
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163 | 2f28d2ff | Anthony Liguori | { |
164 | 2f28d2ff | Anthony Liguori | if (ti->class_size) {
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165 | 2f28d2ff | Anthony Liguori | return ti->class_size;
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166 | 2f28d2ff | Anthony Liguori | } |
167 | 2f28d2ff | Anthony Liguori | |
168 | 2f28d2ff | Anthony Liguori | if (type_has_parent(ti)) {
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169 | 2f28d2ff | Anthony Liguori | return type_class_get_size(type_get_parent(ti));
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170 | 2f28d2ff | Anthony Liguori | } |
171 | 2f28d2ff | Anthony Liguori | |
172 | 2f28d2ff | Anthony Liguori | return sizeof(ObjectClass); |
173 | 2f28d2ff | Anthony Liguori | } |
174 | 2f28d2ff | Anthony Liguori | |
175 | aca59af6 | Igor Mitsyanko | static size_t type_object_get_size(TypeImpl *ti)
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176 | aca59af6 | Igor Mitsyanko | { |
177 | aca59af6 | Igor Mitsyanko | if (ti->instance_size) {
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178 | aca59af6 | Igor Mitsyanko | return ti->instance_size;
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179 | aca59af6 | Igor Mitsyanko | } |
180 | aca59af6 | Igor Mitsyanko | |
181 | aca59af6 | Igor Mitsyanko | if (type_has_parent(ti)) {
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182 | aca59af6 | Igor Mitsyanko | return type_object_get_size(type_get_parent(ti));
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183 | aca59af6 | Igor Mitsyanko | } |
184 | aca59af6 | Igor Mitsyanko | |
185 | aca59af6 | Igor Mitsyanko | return 0; |
186 | aca59af6 | Igor Mitsyanko | } |
187 | aca59af6 | Igor Mitsyanko | |
188 | 33e95c63 | Anthony Liguori | static bool type_is_ancestor(TypeImpl *type, TypeImpl *target_type) |
189 | 2f28d2ff | Anthony Liguori | { |
190 | 33e95c63 | Anthony Liguori | assert(target_type); |
191 | 33e95c63 | Anthony Liguori | |
192 | 33e95c63 | Anthony Liguori | /* Check if typename is a direct ancestor of type */
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193 | 33e95c63 | Anthony Liguori | while (type) {
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194 | 33e95c63 | Anthony Liguori | if (type == target_type) {
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195 | 33e95c63 | Anthony Liguori | return true; |
196 | 33e95c63 | Anthony Liguori | } |
197 | 2f28d2ff | Anthony Liguori | |
198 | 33e95c63 | Anthony Liguori | type = type_get_parent(type); |
199 | 33e95c63 | Anthony Liguori | } |
200 | 33e95c63 | Anthony Liguori | |
201 | 33e95c63 | Anthony Liguori | return false; |
202 | 33e95c63 | Anthony Liguori | } |
203 | 33e95c63 | Anthony Liguori | |
204 | 33e95c63 | Anthony Liguori | static void type_initialize(TypeImpl *ti); |
205 | 33e95c63 | Anthony Liguori | |
206 | 33e95c63 | Anthony Liguori | static void type_initialize_interface(TypeImpl *ti, const char *parent) |
207 | 33e95c63 | Anthony Liguori | { |
208 | 33e95c63 | Anthony Liguori | InterfaceClass *new_iface; |
209 | 33e95c63 | Anthony Liguori | TypeInfo info = { }; |
210 | 33e95c63 | Anthony Liguori | TypeImpl *iface_impl; |
211 | 33e95c63 | Anthony Liguori | |
212 | 33e95c63 | Anthony Liguori | info.parent = parent; |
213 | 33e95c63 | Anthony Liguori | info.name = g_strdup_printf("%s::%s", ti->name, info.parent);
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214 | 33e95c63 | Anthony Liguori | info.abstract = true;
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215 | 33e95c63 | Anthony Liguori | |
216 | 33e95c63 | Anthony Liguori | iface_impl = type_register(&info); |
217 | 33e95c63 | Anthony Liguori | type_initialize(iface_impl); |
218 | 33e95c63 | Anthony Liguori | g_free((char *)info.name);
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219 | 33e95c63 | Anthony Liguori | |
220 | 33e95c63 | Anthony Liguori | new_iface = (InterfaceClass *)iface_impl->class; |
221 | 33e95c63 | Anthony Liguori | new_iface->concrete_class = ti->class; |
222 | 33e95c63 | Anthony Liguori | |
223 | 33e95c63 | Anthony Liguori | ti->class->interfaces = g_slist_append(ti->class->interfaces, |
224 | 33e95c63 | Anthony Liguori | iface_impl->class); |
225 | 2f28d2ff | Anthony Liguori | } |
226 | 2f28d2ff | Anthony Liguori | |
227 | ac451033 | Igor Mitsyanko | static void type_initialize(TypeImpl *ti) |
228 | 2f28d2ff | Anthony Liguori | { |
229 | 745549c8 | Paolo Bonzini | TypeImpl *parent; |
230 | 2f28d2ff | Anthony Liguori | |
231 | 2f28d2ff | Anthony Liguori | if (ti->class) {
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232 | 2f28d2ff | Anthony Liguori | return;
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233 | 2f28d2ff | Anthony Liguori | } |
234 | 2f28d2ff | Anthony Liguori | |
235 | 2f28d2ff | Anthony Liguori | ti->class_size = type_class_get_size(ti); |
236 | aca59af6 | Igor Mitsyanko | ti->instance_size = type_object_get_size(ti); |
237 | 2f28d2ff | Anthony Liguori | |
238 | 2f28d2ff | Anthony Liguori | ti->class = g_malloc0(ti->class_size); |
239 | 2f28d2ff | Anthony Liguori | |
240 | 745549c8 | Paolo Bonzini | parent = type_get_parent(ti); |
241 | 745549c8 | Paolo Bonzini | if (parent) {
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242 | ac451033 | Igor Mitsyanko | type_initialize(parent); |
243 | 33e95c63 | Anthony Liguori | GSList *e; |
244 | 33e95c63 | Anthony Liguori | int i;
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245 | 2f28d2ff | Anthony Liguori | |
246 | 2f28d2ff | Anthony Liguori | g_assert(parent->class_size <= ti->class_size); |
247 | 745549c8 | Paolo Bonzini | memcpy(ti->class, parent->class, parent->class_size); |
248 | 33e95c63 | Anthony Liguori | |
249 | 33e95c63 | Anthony Liguori | for (e = parent->class->interfaces; e; e = e->next) {
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250 | 33e95c63 | Anthony Liguori | ObjectClass *iface = e->data; |
251 | 33e95c63 | Anthony Liguori | type_initialize_interface(ti, object_class_get_name(iface)); |
252 | 33e95c63 | Anthony Liguori | } |
253 | 33e95c63 | Anthony Liguori | |
254 | 33e95c63 | Anthony Liguori | for (i = 0; i < ti->num_interfaces; i++) { |
255 | 33e95c63 | Anthony Liguori | TypeImpl *t = type_get_by_name(ti->interfaces[i].typename); |
256 | 33e95c63 | Anthony Liguori | for (e = ti->class->interfaces; e; e = e->next) {
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257 | 33e95c63 | Anthony Liguori | TypeImpl *target_type = OBJECT_CLASS(e->data)->type; |
258 | 33e95c63 | Anthony Liguori | |
259 | 33e95c63 | Anthony Liguori | if (type_is_ancestor(target_type, t)) {
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260 | 33e95c63 | Anthony Liguori | break;
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261 | 33e95c63 | Anthony Liguori | } |
262 | 33e95c63 | Anthony Liguori | } |
263 | 33e95c63 | Anthony Liguori | |
264 | 33e95c63 | Anthony Liguori | if (e) {
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265 | 33e95c63 | Anthony Liguori | continue;
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266 | 33e95c63 | Anthony Liguori | } |
267 | 33e95c63 | Anthony Liguori | |
268 | 33e95c63 | Anthony Liguori | type_initialize_interface(ti, ti->interfaces[i].typename); |
269 | 33e95c63 | Anthony Liguori | } |
270 | 745549c8 | Paolo Bonzini | } |
271 | 2f28d2ff | Anthony Liguori | |
272 | 745549c8 | Paolo Bonzini | ti->class->type = ti; |
273 | 3b50e311 | Paolo Bonzini | |
274 | 745549c8 | Paolo Bonzini | while (parent) {
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275 | 745549c8 | Paolo Bonzini | if (parent->class_base_init) {
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276 | 745549c8 | Paolo Bonzini | parent->class_base_init(ti->class, ti->class_data); |
277 | 3b50e311 | Paolo Bonzini | } |
278 | 745549c8 | Paolo Bonzini | parent = type_get_parent(parent); |
279 | 2f28d2ff | Anthony Liguori | } |
280 | 2f28d2ff | Anthony Liguori | |
281 | 2f28d2ff | Anthony Liguori | if (ti->class_init) {
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282 | 2f28d2ff | Anthony Liguori | ti->class_init(ti->class, ti->class_data); |
283 | 2f28d2ff | Anthony Liguori | } |
284 | 2f28d2ff | Anthony Liguori | |
285 | 2f28d2ff | Anthony Liguori | |
286 | 2f28d2ff | Anthony Liguori | } |
287 | 2f28d2ff | Anthony Liguori | |
288 | 2f28d2ff | Anthony Liguori | static void object_init_with_type(Object *obj, TypeImpl *ti) |
289 | 2f28d2ff | Anthony Liguori | { |
290 | 2f28d2ff | Anthony Liguori | if (type_has_parent(ti)) {
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291 | 2f28d2ff | Anthony Liguori | object_init_with_type(obj, type_get_parent(ti)); |
292 | 2f28d2ff | Anthony Liguori | } |
293 | 2f28d2ff | Anthony Liguori | |
294 | 2f28d2ff | Anthony Liguori | if (ti->instance_init) {
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295 | 2f28d2ff | Anthony Liguori | ti->instance_init(obj); |
296 | 2f28d2ff | Anthony Liguori | } |
297 | 2f28d2ff | Anthony Liguori | } |
298 | 2f28d2ff | Anthony Liguori | |
299 | 2f28d2ff | Anthony Liguori | void object_initialize_with_type(void *data, TypeImpl *type) |
300 | 2f28d2ff | Anthony Liguori | { |
301 | 2f28d2ff | Anthony Liguori | Object *obj = data; |
302 | 2f28d2ff | Anthony Liguori | |
303 | 2f28d2ff | Anthony Liguori | g_assert(type != NULL);
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304 | ac451033 | Igor Mitsyanko | type_initialize(type); |
305 | aca59af6 | Igor Mitsyanko | |
306 | aca59af6 | Igor Mitsyanko | g_assert(type->instance_size >= sizeof(Object));
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307 | 2f28d2ff | Anthony Liguori | g_assert(type->abstract == false);
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308 | 2f28d2ff | Anthony Liguori | |
309 | 2f28d2ff | Anthony Liguori | memset(obj, 0, type->instance_size);
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310 | 2f28d2ff | Anthony Liguori | obj->class = type->class; |
311 | 764b6312 | Paolo Bonzini | object_ref(obj); |
312 | 57c9fafe | Anthony Liguori | QTAILQ_INIT(&obj->properties); |
313 | 2f28d2ff | Anthony Liguori | object_init_with_type(obj, type); |
314 | 2f28d2ff | Anthony Liguori | } |
315 | 2f28d2ff | Anthony Liguori | |
316 | 2f28d2ff | Anthony Liguori | void object_initialize(void *data, const char *typename) |
317 | 2f28d2ff | Anthony Liguori | { |
318 | 2f28d2ff | Anthony Liguori | TypeImpl *type = type_get_by_name(typename); |
319 | 2f28d2ff | Anthony Liguori | |
320 | 2f28d2ff | Anthony Liguori | object_initialize_with_type(data, type); |
321 | 2f28d2ff | Anthony Liguori | } |
322 | 2f28d2ff | Anthony Liguori | |
323 | 5d9d3f47 | Andreas Fรคrber | static inline bool object_property_is_child(ObjectProperty *prop) |
324 | 5d9d3f47 | Andreas Fรคrber | { |
325 | 5d9d3f47 | Andreas Fรคrber | return strstart(prop->type, "child<", NULL); |
326 | 5d9d3f47 | Andreas Fรคrber | } |
327 | 5d9d3f47 | Andreas Fรคrber | |
328 | 5d9d3f47 | Andreas Fรคrber | static inline bool object_property_is_link(ObjectProperty *prop) |
329 | 5d9d3f47 | Andreas Fรคrber | { |
330 | 5d9d3f47 | Andreas Fรคrber | return strstart(prop->type, "link<", NULL); |
331 | 5d9d3f47 | Andreas Fรคrber | } |
332 | 5d9d3f47 | Andreas Fรคrber | |
333 | 57c9fafe | Anthony Liguori | static void object_property_del_all(Object *obj) |
334 | 57c9fafe | Anthony Liguori | { |
335 | 57c9fafe | Anthony Liguori | while (!QTAILQ_EMPTY(&obj->properties)) {
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336 | 57c9fafe | Anthony Liguori | ObjectProperty *prop = QTAILQ_FIRST(&obj->properties); |
337 | 57c9fafe | Anthony Liguori | |
338 | 57c9fafe | Anthony Liguori | QTAILQ_REMOVE(&obj->properties, prop, node); |
339 | 57c9fafe | Anthony Liguori | |
340 | 57c9fafe | Anthony Liguori | if (prop->release) {
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341 | 57c9fafe | Anthony Liguori | prop->release(obj, prop->name, prop->opaque); |
342 | 57c9fafe | Anthony Liguori | } |
343 | 57c9fafe | Anthony Liguori | |
344 | 57c9fafe | Anthony Liguori | g_free(prop->name); |
345 | 57c9fafe | Anthony Liguori | g_free(prop->type); |
346 | 57c9fafe | Anthony Liguori | g_free(prop); |
347 | 57c9fafe | Anthony Liguori | } |
348 | 57c9fafe | Anthony Liguori | } |
349 | 57c9fafe | Anthony Liguori | |
350 | 57c9fafe | Anthony Liguori | static void object_property_del_child(Object *obj, Object *child, Error **errp) |
351 | 57c9fafe | Anthony Liguori | { |
352 | 57c9fafe | Anthony Liguori | ObjectProperty *prop; |
353 | 57c9fafe | Anthony Liguori | |
354 | 57c9fafe | Anthony Liguori | QTAILQ_FOREACH(prop, &obj->properties, node) { |
355 | 5d9d3f47 | Andreas Fรคrber | if (object_property_is_child(prop) && prop->opaque == child) {
|
356 | 57c9fafe | Anthony Liguori | object_property_del(obj, prop->name, errp); |
357 | 6c1fdcf9 | Paolo Bonzini | break;
|
358 | 57c9fafe | Anthony Liguori | } |
359 | 57c9fafe | Anthony Liguori | } |
360 | 57c9fafe | Anthony Liguori | } |
361 | 57c9fafe | Anthony Liguori | |
362 | 57c9fafe | Anthony Liguori | void object_unparent(Object *obj)
|
363 | 57c9fafe | Anthony Liguori | { |
364 | 57c9fafe | Anthony Liguori | if (obj->parent) {
|
365 | 57c9fafe | Anthony Liguori | object_property_del_child(obj->parent, obj, NULL);
|
366 | 57c9fafe | Anthony Liguori | } |
367 | 667d22d1 | Paolo Bonzini | if (obj->class->unparent) {
|
368 | 667d22d1 | Paolo Bonzini | (obj->class->unparent)(obj); |
369 | 667d22d1 | Paolo Bonzini | } |
370 | 57c9fafe | Anthony Liguori | } |
371 | 57c9fafe | Anthony Liguori | |
372 | 2f28d2ff | Anthony Liguori | static void object_deinit(Object *obj, TypeImpl *type) |
373 | 2f28d2ff | Anthony Liguori | { |
374 | 2f28d2ff | Anthony Liguori | if (type->instance_finalize) {
|
375 | 2f28d2ff | Anthony Liguori | type->instance_finalize(obj); |
376 | 2f28d2ff | Anthony Liguori | } |
377 | 2f28d2ff | Anthony Liguori | |
378 | 2f28d2ff | Anthony Liguori | if (type_has_parent(type)) {
|
379 | 2f28d2ff | Anthony Liguori | object_deinit(obj, type_get_parent(type)); |
380 | 2f28d2ff | Anthony Liguori | } |
381 | 2f28d2ff | Anthony Liguori | } |
382 | 2f28d2ff | Anthony Liguori | |
383 | 339c2708 | Paolo Bonzini | static void object_finalize(void *data) |
384 | 2f28d2ff | Anthony Liguori | { |
385 | 2f28d2ff | Anthony Liguori | Object *obj = data; |
386 | 2f28d2ff | Anthony Liguori | TypeImpl *ti = obj->class->type; |
387 | 2f28d2ff | Anthony Liguori | |
388 | 2f28d2ff | Anthony Liguori | object_deinit(obj, ti); |
389 | 57c9fafe | Anthony Liguori | object_property_del_all(obj); |
390 | db85b575 | Anthony Liguori | |
391 | db85b575 | Anthony Liguori | g_assert(obj->ref == 0);
|
392 | fde9bf44 | Paolo Bonzini | if (obj->free) {
|
393 | fde9bf44 | Paolo Bonzini | obj->free(obj); |
394 | fde9bf44 | Paolo Bonzini | } |
395 | 2f28d2ff | Anthony Liguori | } |
396 | 2f28d2ff | Anthony Liguori | |
397 | 2f28d2ff | Anthony Liguori | Object *object_new_with_type(Type type) |
398 | 2f28d2ff | Anthony Liguori | { |
399 | 2f28d2ff | Anthony Liguori | Object *obj; |
400 | 2f28d2ff | Anthony Liguori | |
401 | 2f28d2ff | Anthony Liguori | g_assert(type != NULL);
|
402 | ac451033 | Igor Mitsyanko | type_initialize(type); |
403 | 2f28d2ff | Anthony Liguori | |
404 | 2f28d2ff | Anthony Liguori | obj = g_malloc(type->instance_size); |
405 | 2f28d2ff | Anthony Liguori | object_initialize_with_type(obj, type); |
406 | fde9bf44 | Paolo Bonzini | obj->free = g_free; |
407 | 2f28d2ff | Anthony Liguori | |
408 | 2f28d2ff | Anthony Liguori | return obj;
|
409 | 2f28d2ff | Anthony Liguori | } |
410 | 2f28d2ff | Anthony Liguori | |
411 | 2f28d2ff | Anthony Liguori | Object *object_new(const char *typename) |
412 | 2f28d2ff | Anthony Liguori | { |
413 | 2f28d2ff | Anthony Liguori | TypeImpl *ti = type_get_by_name(typename); |
414 | 2f28d2ff | Anthony Liguori | |
415 | 2f28d2ff | Anthony Liguori | return object_new_with_type(ti);
|
416 | 2f28d2ff | Anthony Liguori | } |
417 | 2f28d2ff | Anthony Liguori | |
418 | 2f28d2ff | Anthony Liguori | void object_delete(Object *obj)
|
419 | 2f28d2ff | Anthony Liguori | { |
420 | da5a44e8 | Paolo Bonzini | object_unparent(obj); |
421 | da5a44e8 | Paolo Bonzini | g_assert(obj->ref == 1);
|
422 | db85b575 | Anthony Liguori | object_unref(obj); |
423 | 2f28d2ff | Anthony Liguori | } |
424 | 2f28d2ff | Anthony Liguori | |
425 | 2f28d2ff | Anthony Liguori | Object *object_dynamic_cast(Object *obj, const char *typename) |
426 | 2f28d2ff | Anthony Liguori | { |
427 | b7f43fe4 | Paolo Bonzini | if (obj && object_class_dynamic_cast(object_get_class(obj), typename)) {
|
428 | acc4af3f | Paolo Bonzini | return obj;
|
429 | acc4af3f | Paolo Bonzini | } |
430 | acc4af3f | Paolo Bonzini | |
431 | 2f28d2ff | Anthony Liguori | return NULL; |
432 | 2f28d2ff | Anthony Liguori | } |
433 | 2f28d2ff | Anthony Liguori | |
434 | 2f28d2ff | Anthony Liguori | Object *object_dynamic_cast_assert(Object *obj, const char *typename) |
435 | 2f28d2ff | Anthony Liguori | { |
436 | 2f28d2ff | Anthony Liguori | Object *inst; |
437 | 2f28d2ff | Anthony Liguori | |
438 | 2f28d2ff | Anthony Liguori | inst = object_dynamic_cast(obj, typename); |
439 | 2f28d2ff | Anthony Liguori | |
440 | b7f43fe4 | Paolo Bonzini | if (!inst && obj) {
|
441 | 2f28d2ff | Anthony Liguori | fprintf(stderr, "Object %p is not an instance of type %s\n",
|
442 | 2f28d2ff | Anthony Liguori | obj, typename); |
443 | 2f28d2ff | Anthony Liguori | abort(); |
444 | 2f28d2ff | Anthony Liguori | } |
445 | 2f28d2ff | Anthony Liguori | |
446 | 2f28d2ff | Anthony Liguori | return inst;
|
447 | 2f28d2ff | Anthony Liguori | } |
448 | 2f28d2ff | Anthony Liguori | |
449 | 2f28d2ff | Anthony Liguori | ObjectClass *object_class_dynamic_cast(ObjectClass *class, |
450 | 2f28d2ff | Anthony Liguori | const char *typename) |
451 | 2f28d2ff | Anthony Liguori | { |
452 | 2f28d2ff | Anthony Liguori | TypeImpl *target_type = type_get_by_name(typename); |
453 | 2f28d2ff | Anthony Liguori | TypeImpl *type = class->type; |
454 | 33e95c63 | Anthony Liguori | ObjectClass *ret = NULL;
|
455 | 2f28d2ff | Anthony Liguori | |
456 | 33e95c63 | Anthony Liguori | if (type->num_interfaces && type_is_ancestor(target_type, type_interface)) {
|
457 | 33e95c63 | Anthony Liguori | int found = 0; |
458 | 33e95c63 | Anthony Liguori | GSList *i; |
459 | 2f28d2ff | Anthony Liguori | |
460 | 33e95c63 | Anthony Liguori | for (i = class->interfaces; i; i = i->next) {
|
461 | 33e95c63 | Anthony Liguori | ObjectClass *target_class = i->data; |
462 | 33e95c63 | Anthony Liguori | |
463 | 33e95c63 | Anthony Liguori | if (type_is_ancestor(target_class->type, target_type)) {
|
464 | 33e95c63 | Anthony Liguori | ret = target_class; |
465 | 33e95c63 | Anthony Liguori | found++; |
466 | 33e95c63 | Anthony Liguori | } |
467 | 33e95c63 | Anthony Liguori | } |
468 | 33e95c63 | Anthony Liguori | |
469 | 33e95c63 | Anthony Liguori | /* The match was ambiguous, don't allow a cast */
|
470 | 33e95c63 | Anthony Liguori | if (found > 1) { |
471 | 33e95c63 | Anthony Liguori | ret = NULL;
|
472 | 33e95c63 | Anthony Liguori | } |
473 | 33e95c63 | Anthony Liguori | } else if (type_is_ancestor(type, target_type)) { |
474 | 33e95c63 | Anthony Liguori | ret = class; |
475 | 2f28d2ff | Anthony Liguori | } |
476 | 2f28d2ff | Anthony Liguori | |
477 | 33e95c63 | Anthony Liguori | return ret;
|
478 | 2f28d2ff | Anthony Liguori | } |
479 | 2f28d2ff | Anthony Liguori | |
480 | 2f28d2ff | Anthony Liguori | ObjectClass *object_class_dynamic_cast_assert(ObjectClass *class, |
481 | 2f28d2ff | Anthony Liguori | const char *typename) |
482 | 2f28d2ff | Anthony Liguori | { |
483 | 2f28d2ff | Anthony Liguori | ObjectClass *ret = object_class_dynamic_cast(class, typename); |
484 | 2f28d2ff | Anthony Liguori | |
485 | 2f28d2ff | Anthony Liguori | if (!ret) {
|
486 | 2f28d2ff | Anthony Liguori | fprintf(stderr, "Object %p is not an instance of type %s\n",
|
487 | 2f28d2ff | Anthony Liguori | class, typename); |
488 | 2f28d2ff | Anthony Liguori | abort(); |
489 | 2f28d2ff | Anthony Liguori | } |
490 | 2f28d2ff | Anthony Liguori | |
491 | 2f28d2ff | Anthony Liguori | return ret;
|
492 | 2f28d2ff | Anthony Liguori | } |
493 | 2f28d2ff | Anthony Liguori | |
494 | 2f28d2ff | Anthony Liguori | const char *object_get_typename(Object *obj) |
495 | 2f28d2ff | Anthony Liguori | { |
496 | 2f28d2ff | Anthony Liguori | return obj->class->type->name;
|
497 | 2f28d2ff | Anthony Liguori | } |
498 | 2f28d2ff | Anthony Liguori | |
499 | 2f28d2ff | Anthony Liguori | ObjectClass *object_get_class(Object *obj) |
500 | 2f28d2ff | Anthony Liguori | { |
501 | 2f28d2ff | Anthony Liguori | return obj->class;
|
502 | 2f28d2ff | Anthony Liguori | } |
503 | 2f28d2ff | Anthony Liguori | |
504 | 17862378 | Andreas Fรคrber | bool object_class_is_abstract(ObjectClass *klass)
|
505 | 17862378 | Andreas Fรคrber | { |
506 | 17862378 | Andreas Fรคrber | return klass->type->abstract;
|
507 | 17862378 | Andreas Fรคrber | } |
508 | 17862378 | Andreas Fรคrber | |
509 | 2f28d2ff | Anthony Liguori | const char *object_class_get_name(ObjectClass *klass) |
510 | 2f28d2ff | Anthony Liguori | { |
511 | 2f28d2ff | Anthony Liguori | return klass->type->name;
|
512 | 2f28d2ff | Anthony Liguori | } |
513 | 2f28d2ff | Anthony Liguori | |
514 | 2f28d2ff | Anthony Liguori | ObjectClass *object_class_by_name(const char *typename) |
515 | 2f28d2ff | Anthony Liguori | { |
516 | 2f28d2ff | Anthony Liguori | TypeImpl *type = type_get_by_name(typename); |
517 | 2f28d2ff | Anthony Liguori | |
518 | 2f28d2ff | Anthony Liguori | if (!type) {
|
519 | 2f28d2ff | Anthony Liguori | return NULL; |
520 | 2f28d2ff | Anthony Liguori | } |
521 | 2f28d2ff | Anthony Liguori | |
522 | ac451033 | Igor Mitsyanko | type_initialize(type); |
523 | 2f28d2ff | Anthony Liguori | |
524 | 2f28d2ff | Anthony Liguori | return type->class;
|
525 | 2f28d2ff | Anthony Liguori | } |
526 | 2f28d2ff | Anthony Liguori | |
527 | e7cce67f | Paolo Bonzini | ObjectClass *object_class_get_parent(ObjectClass *class) |
528 | e7cce67f | Paolo Bonzini | { |
529 | e7cce67f | Paolo Bonzini | TypeImpl *type = type_get_parent(class->type); |
530 | e7cce67f | Paolo Bonzini | |
531 | e7cce67f | Paolo Bonzini | if (!type) {
|
532 | e7cce67f | Paolo Bonzini | return NULL; |
533 | e7cce67f | Paolo Bonzini | } |
534 | e7cce67f | Paolo Bonzini | |
535 | e7cce67f | Paolo Bonzini | type_initialize(type); |
536 | e7cce67f | Paolo Bonzini | |
537 | e7cce67f | Paolo Bonzini | return type->class;
|
538 | e7cce67f | Paolo Bonzini | } |
539 | e7cce67f | Paolo Bonzini | |
540 | 2f28d2ff | Anthony Liguori | typedef struct OCFData |
541 | 2f28d2ff | Anthony Liguori | { |
542 | 2f28d2ff | Anthony Liguori | void (*fn)(ObjectClass *klass, void *opaque); |
543 | 93c511a1 | Anthony Liguori | const char *implements_type; |
544 | 93c511a1 | Anthony Liguori | bool include_abstract;
|
545 | 2f28d2ff | Anthony Liguori | void *opaque;
|
546 | 2f28d2ff | Anthony Liguori | } OCFData; |
547 | 2f28d2ff | Anthony Liguori | |
548 | 2f28d2ff | Anthony Liguori | static void object_class_foreach_tramp(gpointer key, gpointer value, |
549 | 2f28d2ff | Anthony Liguori | gpointer opaque) |
550 | 2f28d2ff | Anthony Liguori | { |
551 | 2f28d2ff | Anthony Liguori | OCFData *data = opaque; |
552 | 2f28d2ff | Anthony Liguori | TypeImpl *type = value; |
553 | 93c511a1 | Anthony Liguori | ObjectClass *k; |
554 | 2f28d2ff | Anthony Liguori | |
555 | ac451033 | Igor Mitsyanko | type_initialize(type); |
556 | 93c511a1 | Anthony Liguori | k = type->class; |
557 | 2f28d2ff | Anthony Liguori | |
558 | 93c511a1 | Anthony Liguori | if (!data->include_abstract && type->abstract) {
|
559 | 93c511a1 | Anthony Liguori | return;
|
560 | 93c511a1 | Anthony Liguori | } |
561 | 93c511a1 | Anthony Liguori | |
562 | 93c511a1 | Anthony Liguori | if (data->implements_type &&
|
563 | 93c511a1 | Anthony Liguori | !object_class_dynamic_cast(k, data->implements_type)) { |
564 | 93c511a1 | Anthony Liguori | return;
|
565 | 93c511a1 | Anthony Liguori | } |
566 | 93c511a1 | Anthony Liguori | |
567 | 93c511a1 | Anthony Liguori | data->fn(k, data->opaque); |
568 | 2f28d2ff | Anthony Liguori | } |
569 | 2f28d2ff | Anthony Liguori | |
570 | 2f28d2ff | Anthony Liguori | void object_class_foreach(void (*fn)(ObjectClass *klass, void *opaque), |
571 | 93c511a1 | Anthony Liguori | const char *implements_type, bool include_abstract, |
572 | 2f28d2ff | Anthony Liguori | void *opaque)
|
573 | 2f28d2ff | Anthony Liguori | { |
574 | 93c511a1 | Anthony Liguori | OCFData data = { fn, implements_type, include_abstract, opaque }; |
575 | 2f28d2ff | Anthony Liguori | |
576 | 2f28d2ff | Anthony Liguori | g_hash_table_foreach(type_table_get(), object_class_foreach_tramp, &data); |
577 | 2f28d2ff | Anthony Liguori | } |
578 | 57c9fafe | Anthony Liguori | |
579 | 32efc535 | Paolo Bonzini | int object_child_foreach(Object *obj, int (*fn)(Object *child, void *opaque), |
580 | 32efc535 | Paolo Bonzini | void *opaque)
|
581 | 32efc535 | Paolo Bonzini | { |
582 | 32efc535 | Paolo Bonzini | ObjectProperty *prop; |
583 | 32efc535 | Paolo Bonzini | int ret = 0; |
584 | 32efc535 | Paolo Bonzini | |
585 | 32efc535 | Paolo Bonzini | QTAILQ_FOREACH(prop, &obj->properties, node) { |
586 | 32efc535 | Paolo Bonzini | if (object_property_is_child(prop)) {
|
587 | 32efc535 | Paolo Bonzini | ret = fn(prop->opaque, opaque); |
588 | 32efc535 | Paolo Bonzini | if (ret != 0) { |
589 | 32efc535 | Paolo Bonzini | break;
|
590 | 32efc535 | Paolo Bonzini | } |
591 | 32efc535 | Paolo Bonzini | } |
592 | 32efc535 | Paolo Bonzini | } |
593 | 32efc535 | Paolo Bonzini | return ret;
|
594 | 32efc535 | Paolo Bonzini | } |
595 | 32efc535 | Paolo Bonzini | |
596 | 418ba9e5 | Andreas Fรคrber | static void object_class_get_list_tramp(ObjectClass *klass, void *opaque) |
597 | 418ba9e5 | Andreas Fรคrber | { |
598 | 418ba9e5 | Andreas Fรคrber | GSList **list = opaque; |
599 | 418ba9e5 | Andreas Fรคrber | |
600 | 418ba9e5 | Andreas Fรคrber | *list = g_slist_prepend(*list, klass); |
601 | 418ba9e5 | Andreas Fรคrber | } |
602 | 418ba9e5 | Andreas Fรคrber | |
603 | 418ba9e5 | Andreas Fรคrber | GSList *object_class_get_list(const char *implements_type, |
604 | 418ba9e5 | Andreas Fรคrber | bool include_abstract)
|
605 | 418ba9e5 | Andreas Fรคrber | { |
606 | 418ba9e5 | Andreas Fรคrber | GSList *list = NULL;
|
607 | 418ba9e5 | Andreas Fรคrber | |
608 | 418ba9e5 | Andreas Fรคrber | object_class_foreach(object_class_get_list_tramp, |
609 | 418ba9e5 | Andreas Fรคrber | implements_type, include_abstract, &list); |
610 | 418ba9e5 | Andreas Fรคrber | return list;
|
611 | 418ba9e5 | Andreas Fรคrber | } |
612 | 418ba9e5 | Andreas Fรคrber | |
613 | 57c9fafe | Anthony Liguori | void object_ref(Object *obj)
|
614 | 57c9fafe | Anthony Liguori | { |
615 | 57c9fafe | Anthony Liguori | obj->ref++; |
616 | 57c9fafe | Anthony Liguori | } |
617 | 57c9fafe | Anthony Liguori | |
618 | 57c9fafe | Anthony Liguori | void object_unref(Object *obj)
|
619 | 57c9fafe | Anthony Liguori | { |
620 | 57c9fafe | Anthony Liguori | g_assert(obj->ref > 0);
|
621 | 57c9fafe | Anthony Liguori | obj->ref--; |
622 | 57c9fafe | Anthony Liguori | |
623 | 57c9fafe | Anthony Liguori | /* parent always holds a reference to its children */
|
624 | 57c9fafe | Anthony Liguori | if (obj->ref == 0) { |
625 | 57c9fafe | Anthony Liguori | object_finalize(obj); |
626 | 57c9fafe | Anthony Liguori | } |
627 | 57c9fafe | Anthony Liguori | } |
628 | 57c9fafe | Anthony Liguori | |
629 | 57c9fafe | Anthony Liguori | void object_property_add(Object *obj, const char *name, const char *type, |
630 | 57c9fafe | Anthony Liguori | ObjectPropertyAccessor *get, |
631 | 57c9fafe | Anthony Liguori | ObjectPropertyAccessor *set, |
632 | 57c9fafe | Anthony Liguori | ObjectPropertyRelease *release, |
633 | 57c9fafe | Anthony Liguori | void *opaque, Error **errp)
|
634 | 57c9fafe | Anthony Liguori | { |
635 | 57c9fafe | Anthony Liguori | ObjectProperty *prop = g_malloc0(sizeof(*prop));
|
636 | 57c9fafe | Anthony Liguori | |
637 | 57c9fafe | Anthony Liguori | prop->name = g_strdup(name); |
638 | 57c9fafe | Anthony Liguori | prop->type = g_strdup(type); |
639 | 57c9fafe | Anthony Liguori | |
640 | 57c9fafe | Anthony Liguori | prop->get = get; |
641 | 57c9fafe | Anthony Liguori | prop->set = set; |
642 | 57c9fafe | Anthony Liguori | prop->release = release; |
643 | 57c9fafe | Anthony Liguori | prop->opaque = opaque; |
644 | 57c9fafe | Anthony Liguori | |
645 | 57c9fafe | Anthony Liguori | QTAILQ_INSERT_TAIL(&obj->properties, prop, node); |
646 | 57c9fafe | Anthony Liguori | } |
647 | 57c9fafe | Anthony Liguori | |
648 | 89bfe000 | Paolo Bonzini | ObjectProperty *object_property_find(Object *obj, const char *name, |
649 | 89bfe000 | Paolo Bonzini | Error **errp) |
650 | 57c9fafe | Anthony Liguori | { |
651 | 57c9fafe | Anthony Liguori | ObjectProperty *prop; |
652 | 57c9fafe | Anthony Liguori | |
653 | 57c9fafe | Anthony Liguori | QTAILQ_FOREACH(prop, &obj->properties, node) { |
654 | 57c9fafe | Anthony Liguori | if (strcmp(prop->name, name) == 0) { |
655 | 57c9fafe | Anthony Liguori | return prop;
|
656 | 57c9fafe | Anthony Liguori | } |
657 | 57c9fafe | Anthony Liguori | } |
658 | 57c9fafe | Anthony Liguori | |
659 | 89bfe000 | Paolo Bonzini | error_set(errp, QERR_PROPERTY_NOT_FOUND, "", name);
|
660 | 57c9fafe | Anthony Liguori | return NULL; |
661 | 57c9fafe | Anthony Liguori | } |
662 | 57c9fafe | Anthony Liguori | |
663 | 57c9fafe | Anthony Liguori | void object_property_del(Object *obj, const char *name, Error **errp) |
664 | 57c9fafe | Anthony Liguori | { |
665 | 89bfe000 | Paolo Bonzini | ObjectProperty *prop = object_property_find(obj, name, errp); |
666 | 0866aca1 | Anthony Liguori | if (prop == NULL) { |
667 | 0866aca1 | Anthony Liguori | return;
|
668 | 0866aca1 | Anthony Liguori | } |
669 | 57c9fafe | Anthony Liguori | |
670 | 0866aca1 | Anthony Liguori | if (prop->release) {
|
671 | 0866aca1 | Anthony Liguori | prop->release(obj, name, prop->opaque); |
672 | 0866aca1 | Anthony Liguori | } |
673 | 0866aca1 | Anthony Liguori | |
674 | 0866aca1 | Anthony Liguori | QTAILQ_REMOVE(&obj->properties, prop, node); |
675 | 57c9fafe | Anthony Liguori | |
676 | 57c9fafe | Anthony Liguori | g_free(prop->name); |
677 | 57c9fafe | Anthony Liguori | g_free(prop->type); |
678 | 57c9fafe | Anthony Liguori | g_free(prop); |
679 | 57c9fafe | Anthony Liguori | } |
680 | 57c9fafe | Anthony Liguori | |
681 | 57c9fafe | Anthony Liguori | void object_property_get(Object *obj, Visitor *v, const char *name, |
682 | 57c9fafe | Anthony Liguori | Error **errp) |
683 | 57c9fafe | Anthony Liguori | { |
684 | 89bfe000 | Paolo Bonzini | ObjectProperty *prop = object_property_find(obj, name, errp); |
685 | 57c9fafe | Anthony Liguori | if (prop == NULL) { |
686 | 57c9fafe | Anthony Liguori | return;
|
687 | 57c9fafe | Anthony Liguori | } |
688 | 57c9fafe | Anthony Liguori | |
689 | 57c9fafe | Anthony Liguori | if (!prop->get) {
|
690 | 57c9fafe | Anthony Liguori | error_set(errp, QERR_PERMISSION_DENIED); |
691 | 57c9fafe | Anthony Liguori | } else {
|
692 | 57c9fafe | Anthony Liguori | prop->get(obj, v, prop->opaque, name, errp); |
693 | 57c9fafe | Anthony Liguori | } |
694 | 57c9fafe | Anthony Liguori | } |
695 | 57c9fafe | Anthony Liguori | |
696 | 57c9fafe | Anthony Liguori | void object_property_set(Object *obj, Visitor *v, const char *name, |
697 | 57c9fafe | Anthony Liguori | Error **errp) |
698 | 57c9fafe | Anthony Liguori | { |
699 | 89bfe000 | Paolo Bonzini | ObjectProperty *prop = object_property_find(obj, name, errp); |
700 | 57c9fafe | Anthony Liguori | if (prop == NULL) { |
701 | 57c9fafe | Anthony Liguori | return;
|
702 | 57c9fafe | Anthony Liguori | } |
703 | 57c9fafe | Anthony Liguori | |
704 | 57c9fafe | Anthony Liguori | if (!prop->set) {
|
705 | 57c9fafe | Anthony Liguori | error_set(errp, QERR_PERMISSION_DENIED); |
706 | 57c9fafe | Anthony Liguori | } else {
|
707 | 57c9fafe | Anthony Liguori | prop->set(obj, v, prop->opaque, name, errp); |
708 | 57c9fafe | Anthony Liguori | } |
709 | 57c9fafe | Anthony Liguori | } |
710 | 57c9fafe | Anthony Liguori | |
711 | 7b7b7d18 | Paolo Bonzini | void object_property_set_str(Object *obj, const char *value, |
712 | 7b7b7d18 | Paolo Bonzini | const char *name, Error **errp) |
713 | 7b7b7d18 | Paolo Bonzini | { |
714 | 7b7b7d18 | Paolo Bonzini | QString *qstr = qstring_from_str(value); |
715 | 7b7b7d18 | Paolo Bonzini | object_property_set_qobject(obj, QOBJECT(qstr), name, errp); |
716 | 7b7b7d18 | Paolo Bonzini | |
717 | 7b7b7d18 | Paolo Bonzini | QDECREF(qstr); |
718 | 7b7b7d18 | Paolo Bonzini | } |
719 | 7b7b7d18 | Paolo Bonzini | |
720 | 7b7b7d18 | Paolo Bonzini | char *object_property_get_str(Object *obj, const char *name, |
721 | 7b7b7d18 | Paolo Bonzini | Error **errp) |
722 | 7b7b7d18 | Paolo Bonzini | { |
723 | 7b7b7d18 | Paolo Bonzini | QObject *ret = object_property_get_qobject(obj, name, errp); |
724 | 7b7b7d18 | Paolo Bonzini | QString *qstring; |
725 | 7b7b7d18 | Paolo Bonzini | char *retval;
|
726 | 7b7b7d18 | Paolo Bonzini | |
727 | 7b7b7d18 | Paolo Bonzini | if (!ret) {
|
728 | 7b7b7d18 | Paolo Bonzini | return NULL; |
729 | 7b7b7d18 | Paolo Bonzini | } |
730 | 7b7b7d18 | Paolo Bonzini | qstring = qobject_to_qstring(ret); |
731 | 7b7b7d18 | Paolo Bonzini | if (!qstring) {
|
732 | 7b7b7d18 | Paolo Bonzini | error_set(errp, QERR_INVALID_PARAMETER_TYPE, name, "string");
|
733 | 7b7b7d18 | Paolo Bonzini | retval = NULL;
|
734 | 7b7b7d18 | Paolo Bonzini | } else {
|
735 | 7b7b7d18 | Paolo Bonzini | retval = g_strdup(qstring_get_str(qstring)); |
736 | 7b7b7d18 | Paolo Bonzini | } |
737 | 7b7b7d18 | Paolo Bonzini | |
738 | 7b7b7d18 | Paolo Bonzini | QDECREF(qstring); |
739 | 7b7b7d18 | Paolo Bonzini | return retval;
|
740 | 7b7b7d18 | Paolo Bonzini | } |
741 | 7b7b7d18 | Paolo Bonzini | |
742 | 1d9c5a12 | Paolo Bonzini | void object_property_set_link(Object *obj, Object *value,
|
743 | 1d9c5a12 | Paolo Bonzini | const char *name, Error **errp) |
744 | 1d9c5a12 | Paolo Bonzini | { |
745 | 1d9c5a12 | Paolo Bonzini | object_property_set_str(obj, object_get_canonical_path(value), |
746 | 1d9c5a12 | Paolo Bonzini | name, errp); |
747 | 1d9c5a12 | Paolo Bonzini | } |
748 | 1d9c5a12 | Paolo Bonzini | |
749 | 1d9c5a12 | Paolo Bonzini | Object *object_property_get_link(Object *obj, const char *name, |
750 | 1d9c5a12 | Paolo Bonzini | Error **errp) |
751 | 1d9c5a12 | Paolo Bonzini | { |
752 | 1d9c5a12 | Paolo Bonzini | char *str = object_property_get_str(obj, name, errp);
|
753 | 1d9c5a12 | Paolo Bonzini | Object *target = NULL;
|
754 | 1d9c5a12 | Paolo Bonzini | |
755 | 1d9c5a12 | Paolo Bonzini | if (str && *str) {
|
756 | 1d9c5a12 | Paolo Bonzini | target = object_resolve_path(str, NULL);
|
757 | 1d9c5a12 | Paolo Bonzini | if (!target) {
|
758 | 1d9c5a12 | Paolo Bonzini | error_set(errp, QERR_DEVICE_NOT_FOUND, str); |
759 | 1d9c5a12 | Paolo Bonzini | } |
760 | 1d9c5a12 | Paolo Bonzini | } |
761 | 1d9c5a12 | Paolo Bonzini | |
762 | 1d9c5a12 | Paolo Bonzini | g_free(str); |
763 | 1d9c5a12 | Paolo Bonzini | return target;
|
764 | 1d9c5a12 | Paolo Bonzini | } |
765 | 1d9c5a12 | Paolo Bonzini | |
766 | 7b7b7d18 | Paolo Bonzini | void object_property_set_bool(Object *obj, bool value, |
767 | 7b7b7d18 | Paolo Bonzini | const char *name, Error **errp) |
768 | 7b7b7d18 | Paolo Bonzini | { |
769 | 7b7b7d18 | Paolo Bonzini | QBool *qbool = qbool_from_int(value); |
770 | 7b7b7d18 | Paolo Bonzini | object_property_set_qobject(obj, QOBJECT(qbool), name, errp); |
771 | 7b7b7d18 | Paolo Bonzini | |
772 | 7b7b7d18 | Paolo Bonzini | QDECREF(qbool); |
773 | 7b7b7d18 | Paolo Bonzini | } |
774 | 7b7b7d18 | Paolo Bonzini | |
775 | 7b7b7d18 | Paolo Bonzini | bool object_property_get_bool(Object *obj, const char *name, |
776 | 7b7b7d18 | Paolo Bonzini | Error **errp) |
777 | 7b7b7d18 | Paolo Bonzini | { |
778 | 7b7b7d18 | Paolo Bonzini | QObject *ret = object_property_get_qobject(obj, name, errp); |
779 | 7b7b7d18 | Paolo Bonzini | QBool *qbool; |
780 | 7b7b7d18 | Paolo Bonzini | bool retval;
|
781 | 7b7b7d18 | Paolo Bonzini | |
782 | 7b7b7d18 | Paolo Bonzini | if (!ret) {
|
783 | 7b7b7d18 | Paolo Bonzini | return false; |
784 | 7b7b7d18 | Paolo Bonzini | } |
785 | 7b7b7d18 | Paolo Bonzini | qbool = qobject_to_qbool(ret); |
786 | 7b7b7d18 | Paolo Bonzini | if (!qbool) {
|
787 | 7b7b7d18 | Paolo Bonzini | error_set(errp, QERR_INVALID_PARAMETER_TYPE, name, "boolean");
|
788 | 7b7b7d18 | Paolo Bonzini | retval = false;
|
789 | 7b7b7d18 | Paolo Bonzini | } else {
|
790 | 7b7b7d18 | Paolo Bonzini | retval = qbool_get_int(qbool); |
791 | 7b7b7d18 | Paolo Bonzini | } |
792 | 7b7b7d18 | Paolo Bonzini | |
793 | 7b7b7d18 | Paolo Bonzini | QDECREF(qbool); |
794 | 7b7b7d18 | Paolo Bonzini | return retval;
|
795 | 7b7b7d18 | Paolo Bonzini | } |
796 | 7b7b7d18 | Paolo Bonzini | |
797 | 7b7b7d18 | Paolo Bonzini | void object_property_set_int(Object *obj, int64_t value,
|
798 | 7b7b7d18 | Paolo Bonzini | const char *name, Error **errp) |
799 | 7b7b7d18 | Paolo Bonzini | { |
800 | 7b7b7d18 | Paolo Bonzini | QInt *qint = qint_from_int(value); |
801 | 7b7b7d18 | Paolo Bonzini | object_property_set_qobject(obj, QOBJECT(qint), name, errp); |
802 | 7b7b7d18 | Paolo Bonzini | |
803 | 7b7b7d18 | Paolo Bonzini | QDECREF(qint); |
804 | 7b7b7d18 | Paolo Bonzini | } |
805 | 7b7b7d18 | Paolo Bonzini | |
806 | 7b7b7d18 | Paolo Bonzini | int64_t object_property_get_int(Object *obj, const char *name, |
807 | 7b7b7d18 | Paolo Bonzini | Error **errp) |
808 | 7b7b7d18 | Paolo Bonzini | { |
809 | 7b7b7d18 | Paolo Bonzini | QObject *ret = object_property_get_qobject(obj, name, errp); |
810 | 7b7b7d18 | Paolo Bonzini | QInt *qint; |
811 | 7b7b7d18 | Paolo Bonzini | int64_t retval; |
812 | 7b7b7d18 | Paolo Bonzini | |
813 | 7b7b7d18 | Paolo Bonzini | if (!ret) {
|
814 | 7b7b7d18 | Paolo Bonzini | return -1; |
815 | 7b7b7d18 | Paolo Bonzini | } |
816 | 7b7b7d18 | Paolo Bonzini | qint = qobject_to_qint(ret); |
817 | 7b7b7d18 | Paolo Bonzini | if (!qint) {
|
818 | 7b7b7d18 | Paolo Bonzini | error_set(errp, QERR_INVALID_PARAMETER_TYPE, name, "int");
|
819 | 7b7b7d18 | Paolo Bonzini | retval = -1;
|
820 | 7b7b7d18 | Paolo Bonzini | } else {
|
821 | 7b7b7d18 | Paolo Bonzini | retval = qint_get_int(qint); |
822 | 7b7b7d18 | Paolo Bonzini | } |
823 | 7b7b7d18 | Paolo Bonzini | |
824 | 7b7b7d18 | Paolo Bonzini | QDECREF(qint); |
825 | 7b7b7d18 | Paolo Bonzini | return retval;
|
826 | b2cd7dee | Paolo Bonzini | } |
827 | b2cd7dee | Paolo Bonzini | |
828 | b2cd7dee | Paolo Bonzini | void object_property_parse(Object *obj, const char *string, |
829 | b2cd7dee | Paolo Bonzini | const char *name, Error **errp) |
830 | b2cd7dee | Paolo Bonzini | { |
831 | b2cd7dee | Paolo Bonzini | StringInputVisitor *mi; |
832 | b2cd7dee | Paolo Bonzini | mi = string_input_visitor_new(string); |
833 | b2cd7dee | Paolo Bonzini | object_property_set(obj, string_input_get_visitor(mi), name, errp); |
834 | b2cd7dee | Paolo Bonzini | |
835 | b2cd7dee | Paolo Bonzini | string_input_visitor_cleanup(mi); |
836 | b2cd7dee | Paolo Bonzini | } |
837 | b2cd7dee | Paolo Bonzini | |
838 | b2cd7dee | Paolo Bonzini | char *object_property_print(Object *obj, const char *name, |
839 | b2cd7dee | Paolo Bonzini | Error **errp) |
840 | b2cd7dee | Paolo Bonzini | { |
841 | b2cd7dee | Paolo Bonzini | StringOutputVisitor *mo; |
842 | b2cd7dee | Paolo Bonzini | char *string;
|
843 | b2cd7dee | Paolo Bonzini | |
844 | b2cd7dee | Paolo Bonzini | mo = string_output_visitor_new(); |
845 | 8185bfc1 | Paolo Bonzini | object_property_get(obj, string_output_get_visitor(mo), name, errp); |
846 | b2cd7dee | Paolo Bonzini | string = string_output_get_string(mo); |
847 | b2cd7dee | Paolo Bonzini | string_output_visitor_cleanup(mo); |
848 | b2cd7dee | Paolo Bonzini | return string;
|
849 | 7b7b7d18 | Paolo Bonzini | } |
850 | 7b7b7d18 | Paolo Bonzini | |
851 | 57c9fafe | Anthony Liguori | const char *object_property_get_type(Object *obj, const char *name, Error **errp) |
852 | 57c9fafe | Anthony Liguori | { |
853 | 89bfe000 | Paolo Bonzini | ObjectProperty *prop = object_property_find(obj, name, errp); |
854 | 57c9fafe | Anthony Liguori | if (prop == NULL) { |
855 | 57c9fafe | Anthony Liguori | return NULL; |
856 | 57c9fafe | Anthony Liguori | } |
857 | 57c9fafe | Anthony Liguori | |
858 | 57c9fafe | Anthony Liguori | return prop->type;
|
859 | 57c9fafe | Anthony Liguori | } |
860 | 57c9fafe | Anthony Liguori | |
861 | 57c9fafe | Anthony Liguori | Object *object_get_root(void)
|
862 | 57c9fafe | Anthony Liguori | { |
863 | 8b45d447 | Anthony Liguori | static Object *root;
|
864 | 57c9fafe | Anthony Liguori | |
865 | 8b45d447 | Anthony Liguori | if (!root) {
|
866 | 8b45d447 | Anthony Liguori | root = object_new("container");
|
867 | 57c9fafe | Anthony Liguori | } |
868 | 57c9fafe | Anthony Liguori | |
869 | 8b45d447 | Anthony Liguori | return root;
|
870 | 57c9fafe | Anthony Liguori | } |
871 | 57c9fafe | Anthony Liguori | |
872 | 57c9fafe | Anthony Liguori | static void object_get_child_property(Object *obj, Visitor *v, void *opaque, |
873 | 57c9fafe | Anthony Liguori | const char *name, Error **errp) |
874 | 57c9fafe | Anthony Liguori | { |
875 | 57c9fafe | Anthony Liguori | Object *child = opaque; |
876 | 57c9fafe | Anthony Liguori | gchar *path; |
877 | 57c9fafe | Anthony Liguori | |
878 | 57c9fafe | Anthony Liguori | path = object_get_canonical_path(child); |
879 | 57c9fafe | Anthony Liguori | visit_type_str(v, &path, name, errp); |
880 | 57c9fafe | Anthony Liguori | g_free(path); |
881 | 57c9fafe | Anthony Liguori | } |
882 | 57c9fafe | Anthony Liguori | |
883 | db85b575 | Anthony Liguori | static void object_finalize_child_property(Object *obj, const char *name, |
884 | db85b575 | Anthony Liguori | void *opaque)
|
885 | db85b575 | Anthony Liguori | { |
886 | db85b575 | Anthony Liguori | Object *child = opaque; |
887 | db85b575 | Anthony Liguori | |
888 | db85b575 | Anthony Liguori | object_unref(child); |
889 | db85b575 | Anthony Liguori | } |
890 | db85b575 | Anthony Liguori | |
891 | 57c9fafe | Anthony Liguori | void object_property_add_child(Object *obj, const char *name, |
892 | 57c9fafe | Anthony Liguori | Object *child, Error **errp) |
893 | 57c9fafe | Anthony Liguori | { |
894 | 57c9fafe | Anthony Liguori | gchar *type; |
895 | 57c9fafe | Anthony Liguori | |
896 | 57c9fafe | Anthony Liguori | type = g_strdup_printf("child<%s>", object_get_typename(OBJECT(child)));
|
897 | 57c9fafe | Anthony Liguori | |
898 | 57c9fafe | Anthony Liguori | object_property_add(obj, name, type, object_get_child_property, |
899 | db85b575 | Anthony Liguori | NULL, object_finalize_child_property, child, errp);
|
900 | 57c9fafe | Anthony Liguori | |
901 | 57c9fafe | Anthony Liguori | object_ref(child); |
902 | 57c9fafe | Anthony Liguori | g_assert(child->parent == NULL);
|
903 | 57c9fafe | Anthony Liguori | child->parent = obj; |
904 | 57c9fafe | Anthony Liguori | |
905 | 57c9fafe | Anthony Liguori | g_free(type); |
906 | 57c9fafe | Anthony Liguori | } |
907 | 57c9fafe | Anthony Liguori | |
908 | 57c9fafe | Anthony Liguori | static void object_get_link_property(Object *obj, Visitor *v, void *opaque, |
909 | 57c9fafe | Anthony Liguori | const char *name, Error **errp) |
910 | 57c9fafe | Anthony Liguori | { |
911 | 57c9fafe | Anthony Liguori | Object **child = opaque; |
912 | 57c9fafe | Anthony Liguori | gchar *path; |
913 | 57c9fafe | Anthony Liguori | |
914 | 57c9fafe | Anthony Liguori | if (*child) {
|
915 | 57c9fafe | Anthony Liguori | path = object_get_canonical_path(*child); |
916 | 57c9fafe | Anthony Liguori | visit_type_str(v, &path, name, errp); |
917 | 57c9fafe | Anthony Liguori | g_free(path); |
918 | 57c9fafe | Anthony Liguori | } else {
|
919 | 57c9fafe | Anthony Liguori | path = (gchar *)"";
|
920 | 57c9fafe | Anthony Liguori | visit_type_str(v, &path, name, errp); |
921 | 57c9fafe | Anthony Liguori | } |
922 | 57c9fafe | Anthony Liguori | } |
923 | 57c9fafe | Anthony Liguori | |
924 | 57c9fafe | Anthony Liguori | static void object_set_link_property(Object *obj, Visitor *v, void *opaque, |
925 | 57c9fafe | Anthony Liguori | const char *name, Error **errp) |
926 | 57c9fafe | Anthony Liguori | { |
927 | 57c9fafe | Anthony Liguori | Object **child = opaque; |
928 | f0cdc966 | Alexander Barabash | Object *old_target; |
929 | 57c9fafe | Anthony Liguori | bool ambiguous = false; |
930 | 57c9fafe | Anthony Liguori | const char *type; |
931 | 57c9fafe | Anthony Liguori | char *path;
|
932 | 11e35bfd | Paolo Bonzini | gchar *target_type; |
933 | 57c9fafe | Anthony Liguori | |
934 | 57c9fafe | Anthony Liguori | type = object_property_get_type(obj, name, NULL);
|
935 | 57c9fafe | Anthony Liguori | |
936 | 57c9fafe | Anthony Liguori | visit_type_str(v, &path, name, errp); |
937 | 57c9fafe | Anthony Liguori | |
938 | f0cdc966 | Alexander Barabash | old_target = *child; |
939 | f0cdc966 | Alexander Barabash | *child = NULL;
|
940 | 57c9fafe | Anthony Liguori | |
941 | 57c9fafe | Anthony Liguori | if (strcmp(path, "") != 0) { |
942 | 57c9fafe | Anthony Liguori | Object *target; |
943 | 57c9fafe | Anthony Liguori | |
944 | 11e35bfd | Paolo Bonzini | /* Go from link<FOO> to FOO. */
|
945 | 11e35bfd | Paolo Bonzini | target_type = g_strndup(&type[5], strlen(type) - 6); |
946 | 11e35bfd | Paolo Bonzini | target = object_resolve_path_type(path, target_type, &ambiguous); |
947 | 57c9fafe | Anthony Liguori | |
948 | 11e35bfd | Paolo Bonzini | if (ambiguous) {
|
949 | 11e35bfd | Paolo Bonzini | error_set(errp, QERR_AMBIGUOUS_PATH, path); |
950 | 11e35bfd | Paolo Bonzini | } else if (target) { |
951 | 11e35bfd | Paolo Bonzini | object_ref(target); |
952 | 11e35bfd | Paolo Bonzini | *child = target; |
953 | 57c9fafe | Anthony Liguori | } else {
|
954 | 11e35bfd | Paolo Bonzini | target = object_resolve_path(path, &ambiguous); |
955 | 11e35bfd | Paolo Bonzini | if (target || ambiguous) {
|
956 | 11e35bfd | Paolo Bonzini | error_set(errp, QERR_INVALID_PARAMETER_TYPE, name, target_type); |
957 | 11e35bfd | Paolo Bonzini | } else {
|
958 | 11e35bfd | Paolo Bonzini | error_set(errp, QERR_DEVICE_NOT_FOUND, path); |
959 | 11e35bfd | Paolo Bonzini | } |
960 | 57c9fafe | Anthony Liguori | } |
961 | 11e35bfd | Paolo Bonzini | g_free(target_type); |
962 | 57c9fafe | Anthony Liguori | } |
963 | 57c9fafe | Anthony Liguori | |
964 | 57c9fafe | Anthony Liguori | g_free(path); |
965 | f0cdc966 | Alexander Barabash | |
966 | f0cdc966 | Alexander Barabash | if (old_target != NULL) { |
967 | f0cdc966 | Alexander Barabash | object_unref(old_target); |
968 | f0cdc966 | Alexander Barabash | } |
969 | 57c9fafe | Anthony Liguori | } |
970 | 57c9fafe | Anthony Liguori | |
971 | 57c9fafe | Anthony Liguori | void object_property_add_link(Object *obj, const char *name, |
972 | 57c9fafe | Anthony Liguori | const char *type, Object **child, |
973 | 57c9fafe | Anthony Liguori | Error **errp) |
974 | 57c9fafe | Anthony Liguori | { |
975 | 57c9fafe | Anthony Liguori | gchar *full_type; |
976 | 57c9fafe | Anthony Liguori | |
977 | 57c9fafe | Anthony Liguori | full_type = g_strdup_printf("link<%s>", type);
|
978 | 57c9fafe | Anthony Liguori | |
979 | 57c9fafe | Anthony Liguori | object_property_add(obj, name, full_type, |
980 | 57c9fafe | Anthony Liguori | object_get_link_property, |
981 | 57c9fafe | Anthony Liguori | object_set_link_property, |
982 | 57c9fafe | Anthony Liguori | NULL, child, errp);
|
983 | 57c9fafe | Anthony Liguori | |
984 | 57c9fafe | Anthony Liguori | g_free(full_type); |
985 | 57c9fafe | Anthony Liguori | } |
986 | 57c9fafe | Anthony Liguori | |
987 | 57c9fafe | Anthony Liguori | gchar *object_get_canonical_path(Object *obj) |
988 | 57c9fafe | Anthony Liguori | { |
989 | 57c9fafe | Anthony Liguori | Object *root = object_get_root(); |
990 | 57c9fafe | Anthony Liguori | char *newpath = NULL, *path = NULL; |
991 | 57c9fafe | Anthony Liguori | |
992 | 57c9fafe | Anthony Liguori | while (obj != root) {
|
993 | 57c9fafe | Anthony Liguori | ObjectProperty *prop = NULL;
|
994 | 57c9fafe | Anthony Liguori | |
995 | 57c9fafe | Anthony Liguori | g_assert(obj->parent != NULL);
|
996 | 57c9fafe | Anthony Liguori | |
997 | 57c9fafe | Anthony Liguori | QTAILQ_FOREACH(prop, &obj->parent->properties, node) { |
998 | 5d9d3f47 | Andreas Fรคrber | if (!object_property_is_child(prop)) {
|
999 | 57c9fafe | Anthony Liguori | continue;
|
1000 | 57c9fafe | Anthony Liguori | } |
1001 | 57c9fafe | Anthony Liguori | |
1002 | 57c9fafe | Anthony Liguori | if (prop->opaque == obj) {
|
1003 | 57c9fafe | Anthony Liguori | if (path) {
|
1004 | 57c9fafe | Anthony Liguori | newpath = g_strdup_printf("%s/%s", prop->name, path);
|
1005 | 57c9fafe | Anthony Liguori | g_free(path); |
1006 | 57c9fafe | Anthony Liguori | path = newpath; |
1007 | 57c9fafe | Anthony Liguori | } else {
|
1008 | 57c9fafe | Anthony Liguori | path = g_strdup(prop->name); |
1009 | 57c9fafe | Anthony Liguori | } |
1010 | 57c9fafe | Anthony Liguori | break;
|
1011 | 57c9fafe | Anthony Liguori | } |
1012 | 57c9fafe | Anthony Liguori | } |
1013 | 57c9fafe | Anthony Liguori | |
1014 | 57c9fafe | Anthony Liguori | g_assert(prop != NULL);
|
1015 | 57c9fafe | Anthony Liguori | |
1016 | 57c9fafe | Anthony Liguori | obj = obj->parent; |
1017 | 57c9fafe | Anthony Liguori | } |
1018 | 57c9fafe | Anthony Liguori | |
1019 | 57c9fafe | Anthony Liguori | newpath = g_strdup_printf("/%s", path);
|
1020 | 57c9fafe | Anthony Liguori | g_free(path); |
1021 | 57c9fafe | Anthony Liguori | |
1022 | 57c9fafe | Anthony Liguori | return newpath;
|
1023 | 57c9fafe | Anthony Liguori | } |
1024 | 57c9fafe | Anthony Liguori | |
1025 | 3e84b483 | Andreas Fรคrber | Object *object_resolve_path_component(Object *parent, const gchar *part)
|
1026 | a612b2a6 | Paolo Bonzini | { |
1027 | 89bfe000 | Paolo Bonzini | ObjectProperty *prop = object_property_find(parent, part, NULL);
|
1028 | a612b2a6 | Paolo Bonzini | if (prop == NULL) { |
1029 | a612b2a6 | Paolo Bonzini | return NULL; |
1030 | a612b2a6 | Paolo Bonzini | } |
1031 | a612b2a6 | Paolo Bonzini | |
1032 | 5d9d3f47 | Andreas Fรคrber | if (object_property_is_link(prop)) {
|
1033 | a612b2a6 | Paolo Bonzini | return *(Object **)prop->opaque;
|
1034 | 5d9d3f47 | Andreas Fรคrber | } else if (object_property_is_child(prop)) { |
1035 | a612b2a6 | Paolo Bonzini | return prop->opaque;
|
1036 | a612b2a6 | Paolo Bonzini | } else {
|
1037 | a612b2a6 | Paolo Bonzini | return NULL; |
1038 | a612b2a6 | Paolo Bonzini | } |
1039 | a612b2a6 | Paolo Bonzini | } |
1040 | a612b2a6 | Paolo Bonzini | |
1041 | 57c9fafe | Anthony Liguori | static Object *object_resolve_abs_path(Object *parent,
|
1042 | 57c9fafe | Anthony Liguori | gchar **parts, |
1043 | 02fe2db6 | Paolo Bonzini | const char *typename, |
1044 | 57c9fafe | Anthony Liguori | int index)
|
1045 | 57c9fafe | Anthony Liguori | { |
1046 | 57c9fafe | Anthony Liguori | Object *child; |
1047 | 57c9fafe | Anthony Liguori | |
1048 | 57c9fafe | Anthony Liguori | if (parts[index] == NULL) { |
1049 | 02fe2db6 | Paolo Bonzini | return object_dynamic_cast(parent, typename);
|
1050 | 57c9fafe | Anthony Liguori | } |
1051 | 57c9fafe | Anthony Liguori | |
1052 | 57c9fafe | Anthony Liguori | if (strcmp(parts[index], "") == 0) { |
1053 | 02fe2db6 | Paolo Bonzini | return object_resolve_abs_path(parent, parts, typename, index + 1); |
1054 | 57c9fafe | Anthony Liguori | } |
1055 | 57c9fafe | Anthony Liguori | |
1056 | a612b2a6 | Paolo Bonzini | child = object_resolve_path_component(parent, parts[index]); |
1057 | 57c9fafe | Anthony Liguori | if (!child) {
|
1058 | 57c9fafe | Anthony Liguori | return NULL; |
1059 | 57c9fafe | Anthony Liguori | } |
1060 | 57c9fafe | Anthony Liguori | |
1061 | 02fe2db6 | Paolo Bonzini | return object_resolve_abs_path(child, parts, typename, index + 1); |
1062 | 57c9fafe | Anthony Liguori | } |
1063 | 57c9fafe | Anthony Liguori | |
1064 | 57c9fafe | Anthony Liguori | static Object *object_resolve_partial_path(Object *parent,
|
1065 | 57c9fafe | Anthony Liguori | gchar **parts, |
1066 | 02fe2db6 | Paolo Bonzini | const char *typename, |
1067 | 57c9fafe | Anthony Liguori | bool *ambiguous)
|
1068 | 57c9fafe | Anthony Liguori | { |
1069 | 57c9fafe | Anthony Liguori | Object *obj; |
1070 | 57c9fafe | Anthony Liguori | ObjectProperty *prop; |
1071 | 57c9fafe | Anthony Liguori | |
1072 | 02fe2db6 | Paolo Bonzini | obj = object_resolve_abs_path(parent, parts, typename, 0);
|
1073 | 57c9fafe | Anthony Liguori | |
1074 | 57c9fafe | Anthony Liguori | QTAILQ_FOREACH(prop, &parent->properties, node) { |
1075 | 57c9fafe | Anthony Liguori | Object *found; |
1076 | 57c9fafe | Anthony Liguori | |
1077 | 5d9d3f47 | Andreas Fรคrber | if (!object_property_is_child(prop)) {
|
1078 | 57c9fafe | Anthony Liguori | continue;
|
1079 | 57c9fafe | Anthony Liguori | } |
1080 | 57c9fafe | Anthony Liguori | |
1081 | 02fe2db6 | Paolo Bonzini | found = object_resolve_partial_path(prop->opaque, parts, |
1082 | 02fe2db6 | Paolo Bonzini | typename, ambiguous); |
1083 | 57c9fafe | Anthony Liguori | if (found) {
|
1084 | 57c9fafe | Anthony Liguori | if (obj) {
|
1085 | 57c9fafe | Anthony Liguori | if (ambiguous) {
|
1086 | 57c9fafe | Anthony Liguori | *ambiguous = true;
|
1087 | 57c9fafe | Anthony Liguori | } |
1088 | 57c9fafe | Anthony Liguori | return NULL; |
1089 | 57c9fafe | Anthony Liguori | } |
1090 | 57c9fafe | Anthony Liguori | obj = found; |
1091 | 57c9fafe | Anthony Liguori | } |
1092 | 57c9fafe | Anthony Liguori | |
1093 | 57c9fafe | Anthony Liguori | if (ambiguous && *ambiguous) {
|
1094 | 57c9fafe | Anthony Liguori | return NULL; |
1095 | 57c9fafe | Anthony Liguori | } |
1096 | 57c9fafe | Anthony Liguori | } |
1097 | 57c9fafe | Anthony Liguori | |
1098 | 57c9fafe | Anthony Liguori | return obj;
|
1099 | 57c9fafe | Anthony Liguori | } |
1100 | 57c9fafe | Anthony Liguori | |
1101 | 02fe2db6 | Paolo Bonzini | Object *object_resolve_path_type(const char *path, const char *typename, |
1102 | 02fe2db6 | Paolo Bonzini | bool *ambiguous)
|
1103 | 57c9fafe | Anthony Liguori | { |
1104 | 57c9fafe | Anthony Liguori | bool partial_path = true; |
1105 | 57c9fafe | Anthony Liguori | Object *obj; |
1106 | 57c9fafe | Anthony Liguori | gchar **parts; |
1107 | 57c9fafe | Anthony Liguori | |
1108 | 57c9fafe | Anthony Liguori | parts = g_strsplit(path, "/", 0); |
1109 | 57c9fafe | Anthony Liguori | if (parts == NULL || parts[0] == NULL) { |
1110 | 57c9fafe | Anthony Liguori | g_strfreev(parts); |
1111 | 57c9fafe | Anthony Liguori | return object_get_root();
|
1112 | 57c9fafe | Anthony Liguori | } |
1113 | 57c9fafe | Anthony Liguori | |
1114 | 57c9fafe | Anthony Liguori | if (strcmp(parts[0], "") == 0) { |
1115 | 57c9fafe | Anthony Liguori | partial_path = false;
|
1116 | 57c9fafe | Anthony Liguori | } |
1117 | 57c9fafe | Anthony Liguori | |
1118 | 57c9fafe | Anthony Liguori | if (partial_path) {
|
1119 | 57c9fafe | Anthony Liguori | if (ambiguous) {
|
1120 | 57c9fafe | Anthony Liguori | *ambiguous = false;
|
1121 | 57c9fafe | Anthony Liguori | } |
1122 | 02fe2db6 | Paolo Bonzini | obj = object_resolve_partial_path(object_get_root(), parts, |
1123 | 02fe2db6 | Paolo Bonzini | typename, ambiguous); |
1124 | 57c9fafe | Anthony Liguori | } else {
|
1125 | 02fe2db6 | Paolo Bonzini | obj = object_resolve_abs_path(object_get_root(), parts, typename, 1);
|
1126 | 57c9fafe | Anthony Liguori | } |
1127 | 57c9fafe | Anthony Liguori | |
1128 | 57c9fafe | Anthony Liguori | g_strfreev(parts); |
1129 | 57c9fafe | Anthony Liguori | |
1130 | 57c9fafe | Anthony Liguori | return obj;
|
1131 | 57c9fafe | Anthony Liguori | } |
1132 | 57c9fafe | Anthony Liguori | |
1133 | 02fe2db6 | Paolo Bonzini | Object *object_resolve_path(const char *path, bool *ambiguous) |
1134 | 02fe2db6 | Paolo Bonzini | { |
1135 | 02fe2db6 | Paolo Bonzini | return object_resolve_path_type(path, TYPE_OBJECT, ambiguous);
|
1136 | 02fe2db6 | Paolo Bonzini | } |
1137 | 02fe2db6 | Paolo Bonzini | |
1138 | 57c9fafe | Anthony Liguori | typedef struct StringProperty |
1139 | 57c9fafe | Anthony Liguori | { |
1140 | 57c9fafe | Anthony Liguori | char *(*get)(Object *, Error **);
|
1141 | 57c9fafe | Anthony Liguori | void (*set)(Object *, const char *, Error **); |
1142 | 57c9fafe | Anthony Liguori | } StringProperty; |
1143 | 57c9fafe | Anthony Liguori | |
1144 | 7b7b7d18 | Paolo Bonzini | static void property_get_str(Object *obj, Visitor *v, void *opaque, |
1145 | 7b7b7d18 | Paolo Bonzini | const char *name, Error **errp) |
1146 | 57c9fafe | Anthony Liguori | { |
1147 | 57c9fafe | Anthony Liguori | StringProperty *prop = opaque; |
1148 | 57c9fafe | Anthony Liguori | char *value;
|
1149 | 57c9fafe | Anthony Liguori | |
1150 | 57c9fafe | Anthony Liguori | value = prop->get(obj, errp); |
1151 | 57c9fafe | Anthony Liguori | if (value) {
|
1152 | 57c9fafe | Anthony Liguori | visit_type_str(v, &value, name, errp); |
1153 | 57c9fafe | Anthony Liguori | g_free(value); |
1154 | 57c9fafe | Anthony Liguori | } |
1155 | 57c9fafe | Anthony Liguori | } |
1156 | 57c9fafe | Anthony Liguori | |
1157 | 7b7b7d18 | Paolo Bonzini | static void property_set_str(Object *obj, Visitor *v, void *opaque, |
1158 | 7b7b7d18 | Paolo Bonzini | const char *name, Error **errp) |
1159 | 57c9fafe | Anthony Liguori | { |
1160 | 57c9fafe | Anthony Liguori | StringProperty *prop = opaque; |
1161 | 57c9fafe | Anthony Liguori | char *value;
|
1162 | 57c9fafe | Anthony Liguori | Error *local_err = NULL;
|
1163 | 57c9fafe | Anthony Liguori | |
1164 | 57c9fafe | Anthony Liguori | visit_type_str(v, &value, name, &local_err); |
1165 | 57c9fafe | Anthony Liguori | if (local_err) {
|
1166 | 57c9fafe | Anthony Liguori | error_propagate(errp, local_err); |
1167 | 57c9fafe | Anthony Liguori | return;
|
1168 | 57c9fafe | Anthony Liguori | } |
1169 | 57c9fafe | Anthony Liguori | |
1170 | 57c9fafe | Anthony Liguori | prop->set(obj, value, errp); |
1171 | 57c9fafe | Anthony Liguori | g_free(value); |
1172 | 57c9fafe | Anthony Liguori | } |
1173 | 57c9fafe | Anthony Liguori | |
1174 | 7b7b7d18 | Paolo Bonzini | static void property_release_str(Object *obj, const char *name, |
1175 | 7b7b7d18 | Paolo Bonzini | void *opaque)
|
1176 | 57c9fafe | Anthony Liguori | { |
1177 | 57c9fafe | Anthony Liguori | StringProperty *prop = opaque; |
1178 | 57c9fafe | Anthony Liguori | g_free(prop); |
1179 | 57c9fafe | Anthony Liguori | } |
1180 | 57c9fafe | Anthony Liguori | |
1181 | 57c9fafe | Anthony Liguori | void object_property_add_str(Object *obj, const char *name, |
1182 | 57c9fafe | Anthony Liguori | char *(*get)(Object *, Error **),
|
1183 | 57c9fafe | Anthony Liguori | void (*set)(Object *, const char *, Error **), |
1184 | 57c9fafe | Anthony Liguori | Error **errp) |
1185 | 57c9fafe | Anthony Liguori | { |
1186 | 57c9fafe | Anthony Liguori | StringProperty *prop = g_malloc0(sizeof(*prop));
|
1187 | 57c9fafe | Anthony Liguori | |
1188 | 57c9fafe | Anthony Liguori | prop->get = get; |
1189 | 57c9fafe | Anthony Liguori | prop->set = set; |
1190 | 57c9fafe | Anthony Liguori | |
1191 | 57c9fafe | Anthony Liguori | object_property_add(obj, name, "string",
|
1192 | 7b7b7d18 | Paolo Bonzini | get ? property_get_str : NULL,
|
1193 | 7b7b7d18 | Paolo Bonzini | set ? property_set_str : NULL,
|
1194 | 7b7b7d18 | Paolo Bonzini | property_release_str, |
1195 | 57c9fafe | Anthony Liguori | prop, errp); |
1196 | 57c9fafe | Anthony Liguori | } |
1197 | 745549c8 | Paolo Bonzini | |
1198 | 0e558843 | Anthony Liguori | typedef struct BoolProperty |
1199 | 0e558843 | Anthony Liguori | { |
1200 | 0e558843 | Anthony Liguori | bool (*get)(Object *, Error **);
|
1201 | 0e558843 | Anthony Liguori | void (*set)(Object *, bool, Error **); |
1202 | 0e558843 | Anthony Liguori | } BoolProperty; |
1203 | 0e558843 | Anthony Liguori | |
1204 | 0e558843 | Anthony Liguori | static void property_get_bool(Object *obj, Visitor *v, void *opaque, |
1205 | 0e558843 | Anthony Liguori | const char *name, Error **errp) |
1206 | 0e558843 | Anthony Liguori | { |
1207 | 0e558843 | Anthony Liguori | BoolProperty *prop = opaque; |
1208 | 0e558843 | Anthony Liguori | bool value;
|
1209 | 0e558843 | Anthony Liguori | |
1210 | 0e558843 | Anthony Liguori | value = prop->get(obj, errp); |
1211 | 0e558843 | Anthony Liguori | visit_type_bool(v, &value, name, errp); |
1212 | 0e558843 | Anthony Liguori | } |
1213 | 0e558843 | Anthony Liguori | |
1214 | 0e558843 | Anthony Liguori | static void property_set_bool(Object *obj, Visitor *v, void *opaque, |
1215 | 0e558843 | Anthony Liguori | const char *name, Error **errp) |
1216 | 0e558843 | Anthony Liguori | { |
1217 | 0e558843 | Anthony Liguori | BoolProperty *prop = opaque; |
1218 | 0e558843 | Anthony Liguori | bool value;
|
1219 | 0e558843 | Anthony Liguori | Error *local_err = NULL;
|
1220 | 0e558843 | Anthony Liguori | |
1221 | 0e558843 | Anthony Liguori | visit_type_bool(v, &value, name, &local_err); |
1222 | 0e558843 | Anthony Liguori | if (local_err) {
|
1223 | 0e558843 | Anthony Liguori | error_propagate(errp, local_err); |
1224 | 0e558843 | Anthony Liguori | return;
|
1225 | 0e558843 | Anthony Liguori | } |
1226 | 0e558843 | Anthony Liguori | |
1227 | 0e558843 | Anthony Liguori | prop->set(obj, value, errp); |
1228 | 0e558843 | Anthony Liguori | } |
1229 | 0e558843 | Anthony Liguori | |
1230 | 0e558843 | Anthony Liguori | static void property_release_bool(Object *obj, const char *name, |
1231 | 0e558843 | Anthony Liguori | void *opaque)
|
1232 | 0e558843 | Anthony Liguori | { |
1233 | 0e558843 | Anthony Liguori | BoolProperty *prop = opaque; |
1234 | 0e558843 | Anthony Liguori | g_free(prop); |
1235 | 0e558843 | Anthony Liguori | } |
1236 | 0e558843 | Anthony Liguori | |
1237 | 0e558843 | Anthony Liguori | void object_property_add_bool(Object *obj, const char *name, |
1238 | 0e558843 | Anthony Liguori | bool (*get)(Object *, Error **),
|
1239 | 0e558843 | Anthony Liguori | void (*set)(Object *, bool, Error **), |
1240 | 0e558843 | Anthony Liguori | Error **errp) |
1241 | 0e558843 | Anthony Liguori | { |
1242 | 0e558843 | Anthony Liguori | BoolProperty *prop = g_malloc0(sizeof(*prop));
|
1243 | 0e558843 | Anthony Liguori | |
1244 | 0e558843 | Anthony Liguori | prop->get = get; |
1245 | 0e558843 | Anthony Liguori | prop->set = set; |
1246 | 0e558843 | Anthony Liguori | |
1247 | 0e558843 | Anthony Liguori | object_property_add(obj, name, "bool",
|
1248 | 0e558843 | Anthony Liguori | get ? property_get_bool : NULL,
|
1249 | 0e558843 | Anthony Liguori | set ? property_set_bool : NULL,
|
1250 | 0e558843 | Anthony Liguori | property_release_bool, |
1251 | 0e558843 | Anthony Liguori | prop, errp); |
1252 | 0e558843 | Anthony Liguori | } |
1253 | 0e558843 | Anthony Liguori | |
1254 | 2f262e06 | Paolo Bonzini | static char *qdev_get_type(Object *obj, Error **errp) |
1255 | 2f262e06 | Paolo Bonzini | { |
1256 | 2f262e06 | Paolo Bonzini | return g_strdup(object_get_typename(obj));
|
1257 | 2f262e06 | Paolo Bonzini | } |
1258 | 2f262e06 | Paolo Bonzini | |
1259 | 2f262e06 | Paolo Bonzini | static void object_instance_init(Object *obj) |
1260 | 2f262e06 | Paolo Bonzini | { |
1261 | 2f262e06 | Paolo Bonzini | object_property_add_str(obj, "type", qdev_get_type, NULL, NULL); |
1262 | 2f262e06 | Paolo Bonzini | } |
1263 | 2f262e06 | Paolo Bonzini | |
1264 | 745549c8 | Paolo Bonzini | static void register_types(void) |
1265 | 745549c8 | Paolo Bonzini | { |
1266 | 745549c8 | Paolo Bonzini | static TypeInfo interface_info = {
|
1267 | 745549c8 | Paolo Bonzini | .name = TYPE_INTERFACE, |
1268 | 33e95c63 | Anthony Liguori | .class_size = sizeof(InterfaceClass),
|
1269 | 745549c8 | Paolo Bonzini | .abstract = true,
|
1270 | 745549c8 | Paolo Bonzini | }; |
1271 | 745549c8 | Paolo Bonzini | |
1272 | 745549c8 | Paolo Bonzini | static TypeInfo object_info = {
|
1273 | 745549c8 | Paolo Bonzini | .name = TYPE_OBJECT, |
1274 | 745549c8 | Paolo Bonzini | .instance_size = sizeof(Object),
|
1275 | 2f262e06 | Paolo Bonzini | .instance_init = object_instance_init, |
1276 | 745549c8 | Paolo Bonzini | .abstract = true,
|
1277 | 745549c8 | Paolo Bonzini | }; |
1278 | 745549c8 | Paolo Bonzini | |
1279 | 049cb3cf | Paolo Bonzini | type_interface = type_register_internal(&interface_info); |
1280 | 049cb3cf | Paolo Bonzini | type_register_internal(&object_info); |
1281 | 745549c8 | Paolo Bonzini | } |
1282 | 745549c8 | Paolo Bonzini | |
1283 | 745549c8 | Paolo Bonzini | type_init(register_types) |