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Commit | Line | Data |
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2f28d2ff AL |
1 | /* |
2 | * QEMU Object Model | |
3 | * | |
4 | * Copyright IBM, Corp. 2011 | |
5 | * | |
6 | * Authors: | |
7 | * Anthony Liguori <aliguori@us.ibm.com> | |
8 | * | |
9 | * This work is licensed under the terms of the GNU GPL, version 2 or later. | |
10 | * See the COPYING file in the top-level directory. | |
11 | */ | |
12 | ||
9bbc853b | 13 | #include "qemu/osdep.h" |
13d4ff07 | 14 | #include "hw/qdev-core.h" |
da34e65c | 15 | #include "qapi/error.h" |
14cccb61 | 16 | #include "qom/object.h" |
a31bdae5 | 17 | #include "qom/object_interfaces.h" |
f348b6d1 | 18 | #include "qemu/cutils.h" |
5df022cf | 19 | #include "qemu/memalign.h" |
7b1b5d19 | 20 | #include "qapi/visitor.h" |
b2cd7dee PB |
21 | #include "qapi/string-input-visitor.h" |
22 | #include "qapi/string-output-visitor.h" | |
0e76ed0a | 23 | #include "qapi/qobject-input-visitor.h" |
cbc94d97 | 24 | #include "qapi/forward-visitor.h" |
eb815e24 | 25 | #include "qapi/qapi-builtin-visit.h" |
7b1b5d19 | 26 | #include "qapi/qmp/qerror.h" |
0e76ed0a | 27 | #include "qapi/qmp/qjson.h" |
fa131d94 | 28 | #include "trace.h" |
2f28d2ff | 29 | |
7b7b7d18 PB |
30 | /* TODO: replace QObject with a simpler visitor to avoid a dependency |
31 | * of the QOM core on QObject? */ | |
14cccb61 | 32 | #include "qom/qom-qobject.h" |
7b1b5d19 | 33 | #include "qapi/qmp/qbool.h" |
125062e7 | 34 | #include "qapi/qmp/qlist.h" |
15280c36 | 35 | #include "qapi/qmp/qnum.h" |
7b1b5d19 | 36 | #include "qapi/qmp/qstring.h" |
e02bdf1c | 37 | #include "qemu/error-report.h" |
7b7b7d18 | 38 | |
2f28d2ff AL |
39 | #define MAX_INTERFACES 32 |
40 | ||
41 | typedef struct InterfaceImpl InterfaceImpl; | |
42 | typedef struct TypeImpl TypeImpl; | |
43 | ||
44 | struct InterfaceImpl | |
45 | { | |
33e95c63 | 46 | const char *typename; |
2f28d2ff AL |
47 | }; |
48 | ||
49 | struct TypeImpl | |
50 | { | |
51 | const char *name; | |
52 | ||
53 | size_t class_size; | |
54 | ||
55 | size_t instance_size; | |
4c880f36 | 56 | size_t instance_align; |
2f28d2ff AL |
57 | |
58 | void (*class_init)(ObjectClass *klass, void *data); | |
3b50e311 | 59 | void (*class_base_init)(ObjectClass *klass, void *data); |
2f28d2ff AL |
60 | |
61 | void *class_data; | |
62 | ||
63 | void (*instance_init)(Object *obj); | |
8231c2dd | 64 | void (*instance_post_init)(Object *obj); |
2f28d2ff AL |
65 | void (*instance_finalize)(Object *obj); |
66 | ||
67 | bool abstract; | |
68 | ||
69 | const char *parent; | |
70 | TypeImpl *parent_type; | |
71 | ||
72 | ObjectClass *class; | |
73 | ||
74 | int num_interfaces; | |
75 | InterfaceImpl interfaces[MAX_INTERFACES]; | |
76 | }; | |
77 | ||
9970bd88 PB |
78 | static Type type_interface; |
79 | ||
2f28d2ff AL |
80 | static GHashTable *type_table_get(void) |
81 | { | |
82 | static GHashTable *type_table; | |
83 | ||
84 | if (type_table == NULL) { | |
85 | type_table = g_hash_table_new(g_str_hash, g_str_equal); | |
86 | } | |
87 | ||
88 | return type_table; | |
89 | } | |
90 | ||
f54c19ca HP |
91 | static bool enumerating_types; |
92 | ||
2f28d2ff AL |
93 | static void type_table_add(TypeImpl *ti) |
94 | { | |
f54c19ca | 95 | assert(!enumerating_types); |
2f28d2ff AL |
96 | g_hash_table_insert(type_table_get(), (void *)ti->name, ti); |
97 | } | |
98 | ||
99 | static TypeImpl *type_table_lookup(const char *name) | |
100 | { | |
101 | return g_hash_table_lookup(type_table_get(), name); | |
102 | } | |
103 | ||
b061dc41 | 104 | static TypeImpl *type_new(const TypeInfo *info) |
2f28d2ff AL |
105 | { |
106 | TypeImpl *ti = g_malloc0(sizeof(*ti)); | |
33e95c63 | 107 | int i; |
2f28d2ff AL |
108 | |
109 | g_assert(info->name != NULL); | |
110 | ||
73093354 AL |
111 | if (type_table_lookup(info->name) != NULL) { |
112 | fprintf(stderr, "Registering `%s' which already exists\n", info->name); | |
113 | abort(); | |
114 | } | |
115 | ||
2f28d2ff AL |
116 | ti->name = g_strdup(info->name); |
117 | ti->parent = g_strdup(info->parent); | |
118 | ||
119 | ti->class_size = info->class_size; | |
120 | ti->instance_size = info->instance_size; | |
4c880f36 | 121 | ti->instance_align = info->instance_align; |
2f28d2ff AL |
122 | |
123 | ti->class_init = info->class_init; | |
3b50e311 | 124 | ti->class_base_init = info->class_base_init; |
2f28d2ff AL |
125 | ti->class_data = info->class_data; |
126 | ||
127 | ti->instance_init = info->instance_init; | |
8231c2dd | 128 | ti->instance_post_init = info->instance_post_init; |
2f28d2ff AL |
129 | ti->instance_finalize = info->instance_finalize; |
130 | ||
131 | ti->abstract = info->abstract; | |
132 | ||
33e95c63 AL |
133 | for (i = 0; info->interfaces && info->interfaces[i].type; i++) { |
134 | ti->interfaces[i].typename = g_strdup(info->interfaces[i].type); | |
2f28d2ff | 135 | } |
33e95c63 | 136 | ti->num_interfaces = i; |
2f28d2ff | 137 | |
b061dc41 PB |
138 | return ti; |
139 | } | |
2f28d2ff | 140 | |
b061dc41 PB |
141 | static TypeImpl *type_register_internal(const TypeInfo *info) |
142 | { | |
143 | TypeImpl *ti; | |
144 | ti = type_new(info); | |
145 | ||
146 | type_table_add(ti); | |
2f28d2ff AL |
147 | return ti; |
148 | } | |
149 | ||
049cb3cf PB |
150 | TypeImpl *type_register(const TypeInfo *info) |
151 | { | |
152 | assert(info->parent); | |
153 | return type_register_internal(info); | |
154 | } | |
155 | ||
2f28d2ff AL |
156 | TypeImpl *type_register_static(const TypeInfo *info) |
157 | { | |
158 | return type_register(info); | |
159 | } | |
160 | ||
aa04c9d2 IM |
161 | void type_register_static_array(const TypeInfo *infos, int nr_infos) |
162 | { | |
163 | int i; | |
164 | ||
165 | for (i = 0; i < nr_infos; i++) { | |
166 | type_register_static(&infos[i]); | |
167 | } | |
168 | } | |
169 | ||
2f28d2ff AL |
170 | static TypeImpl *type_get_by_name(const char *name) |
171 | { | |
172 | if (name == NULL) { | |
173 | return NULL; | |
174 | } | |
175 | ||
176 | return type_table_lookup(name); | |
177 | } | |
178 | ||
179 | static TypeImpl *type_get_parent(TypeImpl *type) | |
180 | { | |
181 | if (!type->parent_type && type->parent) { | |
182 | type->parent_type = type_get_by_name(type->parent); | |
89d337fd PMD |
183 | if (!type->parent_type) { |
184 | fprintf(stderr, "Type '%s' is missing its parent '%s'\n", | |
185 | type->name, type->parent); | |
186 | abort(); | |
187 | } | |
2f28d2ff AL |
188 | } |
189 | ||
190 | return type->parent_type; | |
191 | } | |
192 | ||
193 | static bool type_has_parent(TypeImpl *type) | |
194 | { | |
195 | return (type->parent != NULL); | |
196 | } | |
197 | ||
198 | static size_t type_class_get_size(TypeImpl *ti) | |
199 | { | |
200 | if (ti->class_size) { | |
201 | return ti->class_size; | |
202 | } | |
203 | ||
204 | if (type_has_parent(ti)) { | |
205 | return type_class_get_size(type_get_parent(ti)); | |
206 | } | |
207 | ||
208 | return sizeof(ObjectClass); | |
209 | } | |
210 | ||
aca59af6 IM |
211 | static size_t type_object_get_size(TypeImpl *ti) |
212 | { | |
213 | if (ti->instance_size) { | |
214 | return ti->instance_size; | |
215 | } | |
216 | ||
217 | if (type_has_parent(ti)) { | |
218 | return type_object_get_size(type_get_parent(ti)); | |
219 | } | |
220 | ||
221 | return 0; | |
222 | } | |
223 | ||
ad4ec279 RH |
224 | static size_t type_object_get_align(TypeImpl *ti) |
225 | { | |
226 | if (ti->instance_align) { | |
227 | return ti->instance_align; | |
228 | } | |
229 | ||
230 | if (type_has_parent(ti)) { | |
231 | return type_object_get_align(type_get_parent(ti)); | |
232 | } | |
233 | ||
234 | return 0; | |
235 | } | |
236 | ||
3f97b53a BR |
237 | size_t object_type_get_instance_size(const char *typename) |
238 | { | |
239 | TypeImpl *type = type_get_by_name(typename); | |
240 | ||
241 | g_assert(type != NULL); | |
242 | return type_object_get_size(type); | |
243 | } | |
244 | ||
33e95c63 | 245 | static bool type_is_ancestor(TypeImpl *type, TypeImpl *target_type) |
2f28d2ff | 246 | { |
33e95c63 AL |
247 | assert(target_type); |
248 | ||
b30d8054 | 249 | /* Check if target_type is a direct ancestor of type */ |
33e95c63 AL |
250 | while (type) { |
251 | if (type == target_type) { | |
252 | return true; | |
253 | } | |
2f28d2ff | 254 | |
33e95c63 AL |
255 | type = type_get_parent(type); |
256 | } | |
257 | ||
258 | return false; | |
259 | } | |
260 | ||
261 | static void type_initialize(TypeImpl *ti); | |
262 | ||
b061dc41 PB |
263 | static void type_initialize_interface(TypeImpl *ti, TypeImpl *interface_type, |
264 | TypeImpl *parent_type) | |
33e95c63 AL |
265 | { |
266 | InterfaceClass *new_iface; | |
267 | TypeInfo info = { }; | |
268 | TypeImpl *iface_impl; | |
269 | ||
b061dc41 PB |
270 | info.parent = parent_type->name; |
271 | info.name = g_strdup_printf("%s::%s", ti->name, interface_type->name); | |
33e95c63 AL |
272 | info.abstract = true; |
273 | ||
b061dc41 PB |
274 | iface_impl = type_new(&info); |
275 | iface_impl->parent_type = parent_type; | |
33e95c63 AL |
276 | type_initialize(iface_impl); |
277 | g_free((char *)info.name); | |
278 | ||
279 | new_iface = (InterfaceClass *)iface_impl->class; | |
280 | new_iface->concrete_class = ti->class; | |
b061dc41 | 281 | new_iface->interface_type = interface_type; |
33e95c63 | 282 | |
3d91293e | 283 | ti->class->interfaces = g_slist_append(ti->class->interfaces, new_iface); |
2f28d2ff AL |
284 | } |
285 | ||
16bf7f52 DB |
286 | static void object_property_free(gpointer data) |
287 | { | |
288 | ObjectProperty *prop = data; | |
289 | ||
0e76ed0a MAL |
290 | if (prop->defval) { |
291 | qobject_unref(prop->defval); | |
292 | prop->defval = NULL; | |
293 | } | |
16bf7f52 DB |
294 | g_free(prop->name); |
295 | g_free(prop->type); | |
296 | g_free(prop->description); | |
297 | g_free(prop); | |
298 | } | |
299 | ||
ac451033 | 300 | static void type_initialize(TypeImpl *ti) |
2f28d2ff | 301 | { |
745549c8 | 302 | TypeImpl *parent; |
2f28d2ff AL |
303 | |
304 | if (ti->class) { | |
305 | return; | |
306 | } | |
307 | ||
308 | ti->class_size = type_class_get_size(ti); | |
aca59af6 | 309 | ti->instance_size = type_object_get_size(ti); |
ad4ec279 | 310 | ti->instance_align = type_object_get_align(ti); |
1c6d75d5 EH |
311 | /* Any type with zero instance_size is implicitly abstract. |
312 | * This means interface types are all abstract. | |
313 | */ | |
314 | if (ti->instance_size == 0) { | |
315 | ti->abstract = true; | |
316 | } | |
422ca143 MAL |
317 | if (type_is_ancestor(ti, type_interface)) { |
318 | assert(ti->instance_size == 0); | |
319 | assert(ti->abstract); | |
320 | assert(!ti->instance_init); | |
321 | assert(!ti->instance_post_init); | |
322 | assert(!ti->instance_finalize); | |
323 | assert(!ti->num_interfaces); | |
324 | } | |
2f28d2ff | 325 | ti->class = g_malloc0(ti->class_size); |
2f28d2ff | 326 | |
745549c8 PB |
327 | parent = type_get_parent(ti); |
328 | if (parent) { | |
ac451033 | 329 | type_initialize(parent); |
33e95c63 AL |
330 | GSList *e; |
331 | int i; | |
2f28d2ff | 332 | |
719a3077 | 333 | g_assert(parent->class_size <= ti->class_size); |
d5e633fc | 334 | g_assert(parent->instance_size <= ti->instance_size); |
745549c8 | 335 | memcpy(ti->class, parent->class, parent->class_size); |
3e407de4 | 336 | ti->class->interfaces = NULL; |
33e95c63 AL |
337 | |
338 | for (e = parent->class->interfaces; e; e = e->next) { | |
b061dc41 PB |
339 | InterfaceClass *iface = e->data; |
340 | ObjectClass *klass = OBJECT_CLASS(iface); | |
341 | ||
342 | type_initialize_interface(ti, iface->interface_type, klass->type); | |
33e95c63 AL |
343 | } |
344 | ||
345 | for (i = 0; i < ti->num_interfaces; i++) { | |
346 | TypeImpl *t = type_get_by_name(ti->interfaces[i].typename); | |
a9ee3a9e PMD |
347 | if (!t) { |
348 | error_report("missing interface '%s' for object '%s'", | |
349 | ti->interfaces[i].typename, parent->name); | |
350 | abort(); | |
351 | } | |
33e95c63 AL |
352 | for (e = ti->class->interfaces; e; e = e->next) { |
353 | TypeImpl *target_type = OBJECT_CLASS(e->data)->type; | |
354 | ||
355 | if (type_is_ancestor(target_type, t)) { | |
356 | break; | |
357 | } | |
358 | } | |
359 | ||
360 | if (e) { | |
361 | continue; | |
362 | } | |
363 | ||
b061dc41 | 364 | type_initialize_interface(ti, t, t); |
33e95c63 | 365 | } |
745549c8 | 366 | } |
2f28d2ff | 367 | |
e5a0cc5e MY |
368 | ti->class->properties = g_hash_table_new_full(g_str_hash, g_str_equal, NULL, |
369 | object_property_free); | |
370 | ||
745549c8 | 371 | ti->class->type = ti; |
3b50e311 | 372 | |
745549c8 PB |
373 | while (parent) { |
374 | if (parent->class_base_init) { | |
375 | parent->class_base_init(ti->class, ti->class_data); | |
3b50e311 | 376 | } |
745549c8 | 377 | parent = type_get_parent(parent); |
2f28d2ff AL |
378 | } |
379 | ||
2f28d2ff AL |
380 | if (ti->class_init) { |
381 | ti->class_init(ti->class, ti->class_data); | |
382 | } | |
2f28d2ff AL |
383 | } |
384 | ||
385 | static void object_init_with_type(Object *obj, TypeImpl *ti) | |
386 | { | |
2f28d2ff AL |
387 | if (type_has_parent(ti)) { |
388 | object_init_with_type(obj, type_get_parent(ti)); | |
389 | } | |
390 | ||
2f28d2ff AL |
391 | if (ti->instance_init) { |
392 | ti->instance_init(obj); | |
393 | } | |
394 | } | |
395 | ||
8231c2dd EH |
396 | static void object_post_init_with_type(Object *obj, TypeImpl *ti) |
397 | { | |
398 | if (ti->instance_post_init) { | |
399 | ti->instance_post_init(obj); | |
400 | } | |
401 | ||
402 | if (type_has_parent(ti)) { | |
403 | object_post_init_with_type(obj, type_get_parent(ti)); | |
404 | } | |
405 | } | |
406 | ||
6fd5bef1 MA |
407 | bool object_apply_global_props(Object *obj, const GPtrArray *props, |
408 | Error **errp) | |
ea9ce893 | 409 | { |
ea9ce893 MAL |
410 | int i; |
411 | ||
412 | if (!props) { | |
6fd5bef1 | 413 | return true; |
ea9ce893 MAL |
414 | } |
415 | ||
416 | for (i = 0; i < props->len; i++) { | |
417 | GlobalProperty *p = g_ptr_array_index(props, i); | |
d769f0df | 418 | Error *err = NULL; |
ea9ce893 MAL |
419 | |
420 | if (object_dynamic_cast(obj, p->driver) == NULL) { | |
421 | continue; | |
422 | } | |
efba1595 | 423 | if (p->optional && !object_property_find(obj, p->property)) { |
92fd453c DDAG |
424 | continue; |
425 | } | |
ea9ce893 | 426 | p->used = true; |
778a2dc5 | 427 | if (!object_property_parse(obj, p->property, p->value, &err)) { |
ea9ce893 MAL |
428 | error_prepend(&err, "can't apply global %s.%s=%s: ", |
429 | p->driver, p->property, p->value); | |
50545b2c MAL |
430 | /* |
431 | * If errp != NULL, propagate error and return. | |
432 | * If errp == NULL, report a warning, but keep going | |
433 | * with the remaining globals. | |
434 | */ | |
435 | if (errp) { | |
436 | error_propagate(errp, err); | |
6fd5bef1 | 437 | return false; |
50545b2c MAL |
438 | } else { |
439 | warn_report_err(err); | |
440 | } | |
ea9ce893 MAL |
441 | } |
442 | } | |
6fd5bef1 MA |
443 | |
444 | return true; | |
ea9ce893 MAL |
445 | } |
446 | ||
617902af MA |
447 | /* |
448 | * Global property defaults | |
449 | * Slot 0: accelerator's global property defaults | |
450 | * Slot 1: machine's global property defaults | |
1fff3c20 | 451 | * Slot 2: global properties from legacy command line option |
617902af MA |
452 | * Each is a GPtrArray of of GlobalProperty. |
453 | * Applied in order, later entries override earlier ones. | |
454 | */ | |
1fff3c20 PB |
455 | static GPtrArray *object_compat_props[3]; |
456 | ||
457 | /* | |
458 | * Retrieve @GPtrArray for global property defined with options | |
459 | * other than "-global". These are generally used for syntactic | |
460 | * sugar and legacy command line options. | |
461 | */ | |
a8dc82ce GK |
462 | void object_register_sugar_prop(const char *driver, const char *prop, |
463 | const char *value, bool optional) | |
1fff3c20 PB |
464 | { |
465 | GlobalProperty *g; | |
466 | if (!object_compat_props[2]) { | |
467 | object_compat_props[2] = g_ptr_array_new(); | |
468 | } | |
469 | g = g_new0(GlobalProperty, 1); | |
470 | g->driver = g_strdup(driver); | |
471 | g->property = g_strdup(prop); | |
472 | g->value = g_strdup(value); | |
a8dc82ce | 473 | g->optional = optional; |
1fff3c20 PB |
474 | g_ptr_array_add(object_compat_props[2], g); |
475 | } | |
617902af MA |
476 | |
477 | /* | |
478 | * Set machine's global property defaults to @compat_props. | |
479 | * May be called at most once. | |
480 | */ | |
481 | void object_set_machine_compat_props(GPtrArray *compat_props) | |
482 | { | |
483 | assert(!object_compat_props[1]); | |
484 | object_compat_props[1] = compat_props; | |
485 | } | |
486 | ||
487 | /* | |
488 | * Set accelerator's global property defaults to @compat_props. | |
489 | * May be called at most once. | |
490 | */ | |
491 | void object_set_accelerator_compat_props(GPtrArray *compat_props) | |
492 | { | |
493 | assert(!object_compat_props[0]); | |
494 | object_compat_props[0] = compat_props; | |
495 | } | |
496 | ||
497 | void object_apply_compat_props(Object *obj) | |
498 | { | |
499 | int i; | |
500 | ||
501 | for (i = 0; i < ARRAY_SIZE(object_compat_props); i++) { | |
502 | object_apply_global_props(obj, object_compat_props[i], | |
1fff3c20 | 503 | i == 2 ? &error_fatal : &error_abort); |
617902af MA |
504 | } |
505 | } | |
506 | ||
2a1be4b3 MAL |
507 | static void object_class_property_init_all(Object *obj) |
508 | { | |
509 | ObjectPropertyIterator iter; | |
510 | ObjectProperty *prop; | |
511 | ||
512 | object_class_property_iter_init(&iter, object_get_class(obj)); | |
513 | while ((prop = object_property_iter_next(&iter))) { | |
514 | if (prop->init) { | |
515 | prop->init(obj, prop); | |
516 | } | |
517 | } | |
518 | } | |
519 | ||
e27a9595 | 520 | static void object_initialize_with_type(Object *obj, size_t size, TypeImpl *type) |
2f28d2ff | 521 | { |
ac451033 | 522 | type_initialize(type); |
aca59af6 | 523 | |
719a3077 | 524 | g_assert(type->instance_size >= sizeof(Object)); |
2f28d2ff | 525 | g_assert(type->abstract == false); |
719a3077 | 526 | g_assert(size >= type->instance_size); |
2f28d2ff AL |
527 | |
528 | memset(obj, 0, type->instance_size); | |
529 | obj->class = type->class; | |
764b6312 | 530 | object_ref(obj); |
2a1be4b3 | 531 | object_class_property_init_all(obj); |
b604a854 PF |
532 | obj->properties = g_hash_table_new_full(g_str_hash, g_str_equal, |
533 | NULL, object_property_free); | |
2f28d2ff | 534 | object_init_with_type(obj, type); |
8231c2dd | 535 | object_post_init_with_type(obj, type); |
2f28d2ff AL |
536 | } |
537 | ||
213f0c4f | 538 | void object_initialize(void *data, size_t size, const char *typename) |
2f28d2ff AL |
539 | { |
540 | TypeImpl *type = type_get_by_name(typename); | |
541 | ||
64f7aece GH |
542 | #ifdef CONFIG_MODULES |
543 | if (!type) { | |
c551fb0b CF |
544 | int rv = module_load_qom(typename, &error_fatal); |
545 | if (rv > 0) { | |
546 | type = type_get_by_name(typename); | |
547 | } else { | |
548 | error_report("missing object type '%s'", typename); | |
549 | exit(1); | |
550 | } | |
64f7aece GH |
551 | } |
552 | #endif | |
e02bdf1c PMD |
553 | if (!type) { |
554 | error_report("missing object type '%s'", typename); | |
555 | abort(); | |
556 | } | |
557 | ||
5b9237f6 | 558 | object_initialize_with_type(data, size, type); |
2f28d2ff AL |
559 | } |
560 | ||
6fd5bef1 MA |
561 | bool object_initialize_child_with_props(Object *parentobj, |
562 | const char *propname, | |
563 | void *childobj, size_t size, | |
564 | const char *type, | |
565 | Error **errp, ...) | |
0210b39d TH |
566 | { |
567 | va_list vargs; | |
6fd5bef1 | 568 | bool ok; |
0210b39d TH |
569 | |
570 | va_start(vargs, errp); | |
6fd5bef1 MA |
571 | ok = object_initialize_child_with_propsv(parentobj, propname, |
572 | childobj, size, type, errp, | |
573 | vargs); | |
0210b39d | 574 | va_end(vargs); |
6fd5bef1 | 575 | return ok; |
0210b39d TH |
576 | } |
577 | ||
6fd5bef1 MA |
578 | bool object_initialize_child_with_propsv(Object *parentobj, |
579 | const char *propname, | |
580 | void *childobj, size_t size, | |
581 | const char *type, | |
582 | Error **errp, va_list vargs) | |
0210b39d | 583 | { |
6fd5bef1 | 584 | bool ok = false; |
0210b39d | 585 | Object *obj; |
3650b2de | 586 | UserCreatable *uc; |
0210b39d TH |
587 | |
588 | object_initialize(childobj, size, type); | |
589 | obj = OBJECT(childobj); | |
590 | ||
b783f54d | 591 | if (!object_set_propv(obj, errp, vargs)) { |
0210b39d TH |
592 | goto out; |
593 | } | |
594 | ||
d2623129 | 595 | object_property_add_child(parentobj, propname, obj); |
0210b39d | 596 | |
3650b2de MAL |
597 | uc = (UserCreatable *)object_dynamic_cast(obj, TYPE_USER_CREATABLE); |
598 | if (uc) { | |
992861fb | 599 | if (!user_creatable_complete(uc, errp)) { |
0210b39d TH |
600 | object_unparent(obj); |
601 | goto out; | |
602 | } | |
603 | } | |
604 | ||
6fd5bef1 MA |
605 | ok = true; |
606 | ||
975ac455 | 607 | out: |
0210b39d | 608 | /* |
975ac455 MA |
609 | * We want @obj's reference to be 1 on success, 0 on failure. |
610 | * On success, it's 2: one taken by object_initialize(), and one | |
611 | * by object_property_add_child(). | |
612 | * On failure in object_initialize() or earlier, it's 1. | |
613 | * On failure afterwards, it's also 1: object_unparent() releases | |
614 | * the reference taken by object_property_add_child(). | |
0210b39d TH |
615 | */ |
616 | object_unref(obj); | |
6fd5bef1 | 617 | return ok; |
0210b39d TH |
618 | } |
619 | ||
9fc7fc4d MA |
620 | void object_initialize_child_internal(Object *parent, |
621 | const char *propname, | |
622 | void *child, size_t size, | |
623 | const char *type) | |
624 | { | |
625 | object_initialize_child_with_props(parent, propname, child, size, type, | |
626 | &error_abort, NULL); | |
627 | } | |
628 | ||
5d9d3f47 AF |
629 | static inline bool object_property_is_child(ObjectProperty *prop) |
630 | { | |
631 | return strstart(prop->type, "child<", NULL); | |
632 | } | |
633 | ||
57c9fafe AL |
634 | static void object_property_del_all(Object *obj) |
635 | { | |
9859facc | 636 | g_autoptr(GHashTable) done = g_hash_table_new(NULL, NULL); |
b604a854 | 637 | ObjectProperty *prop; |
9859facc | 638 | ObjectPropertyIterator iter; |
b604a854 PF |
639 | bool released; |
640 | ||
641 | do { | |
642 | released = false; | |
9859facc MAL |
643 | object_property_iter_init(&iter, obj); |
644 | while ((prop = object_property_iter_next(&iter)) != NULL) { | |
645 | if (g_hash_table_add(done, prop)) { | |
646 | if (prop->release) { | |
647 | prop->release(obj, prop->name, prop->opaque); | |
648 | released = true; | |
649 | break; | |
650 | } | |
b604a854 | 651 | } |
57c9fafe | 652 | } |
b604a854 | 653 | } while (released); |
57c9fafe | 654 | |
b604a854 | 655 | g_hash_table_unref(obj->properties); |
57c9fafe AL |
656 | } |
657 | ||
f73a32a5 | 658 | static void object_property_del_child(Object *obj, Object *child) |
57c9fafe AL |
659 | { |
660 | ObjectProperty *prop; | |
b604a854 PF |
661 | GHashTableIter iter; |
662 | gpointer key, value; | |
57c9fafe | 663 | |
b604a854 PF |
664 | g_hash_table_iter_init(&iter, obj->properties); |
665 | while (g_hash_table_iter_next(&iter, &key, &value)) { | |
666 | prop = value; | |
667 | if (object_property_is_child(prop) && prop->opaque == child) { | |
668 | if (prop->release) { | |
669 | prop->release(obj, prop->name, prop->opaque); | |
670 | prop->release = NULL; | |
671 | } | |
672 | break; | |
673 | } | |
674 | } | |
675 | g_hash_table_iter_init(&iter, obj->properties); | |
676 | while (g_hash_table_iter_next(&iter, &key, &value)) { | |
677 | prop = value; | |
5d9d3f47 | 678 | if (object_property_is_child(prop) && prop->opaque == child) { |
b604a854 | 679 | g_hash_table_iter_remove(&iter); |
6c1fdcf9 | 680 | break; |
57c9fafe AL |
681 | } |
682 | } | |
683 | } | |
684 | ||
685 | void object_unparent(Object *obj) | |
686 | { | |
e998fa8d | 687 | if (obj->parent) { |
f73a32a5 | 688 | object_property_del_child(obj->parent, obj); |
e998fa8d | 689 | } |
57c9fafe AL |
690 | } |
691 | ||
2f28d2ff AL |
692 | static void object_deinit(Object *obj, TypeImpl *type) |
693 | { | |
694 | if (type->instance_finalize) { | |
695 | type->instance_finalize(obj); | |
696 | } | |
697 | ||
2f28d2ff AL |
698 | if (type_has_parent(type)) { |
699 | object_deinit(obj, type_get_parent(type)); | |
700 | } | |
701 | } | |
702 | ||
339c2708 | 703 | static void object_finalize(void *data) |
2f28d2ff AL |
704 | { |
705 | Object *obj = data; | |
706 | TypeImpl *ti = obj->class->type; | |
707 | ||
57c9fafe | 708 | object_property_del_all(obj); |
76a6e1cc | 709 | object_deinit(obj, ti); |
db85b575 | 710 | |
719a3077 | 711 | g_assert(obj->ref == 0); |
63f957ac | 712 | g_assert(obj->parent == NULL); |
fde9bf44 PB |
713 | if (obj->free) { |
714 | obj->free(obj); | |
715 | } | |
2f28d2ff AL |
716 | } |
717 | ||
4c880f36 RH |
718 | /* Find the minimum alignment guaranteed by the system malloc. */ |
719 | #if __STDC_VERSION__ >= 201112L | |
3a2e982d | 720 | typedef max_align_t qemu_max_align_t; |
4c880f36 RH |
721 | #else |
722 | typedef union { | |
723 | long l; | |
724 | void *p; | |
725 | double d; | |
726 | long double ld; | |
727 | } qemu_max_align_t; | |
728 | #endif | |
729 | ||
63f7b10b | 730 | static Object *object_new_with_type(Type type) |
2f28d2ff AL |
731 | { |
732 | Object *obj; | |
4c880f36 RH |
733 | size_t size, align; |
734 | void (*obj_free)(void *); | |
2f28d2ff AL |
735 | |
736 | g_assert(type != NULL); | |
ac451033 | 737 | type_initialize(type); |
2f28d2ff | 738 | |
4c880f36 RH |
739 | size = type->instance_size; |
740 | align = type->instance_align; | |
741 | ||
742 | /* | |
743 | * Do not use qemu_memalign unless required. Depending on the | |
744 | * implementation, extra alignment implies extra overhead. | |
745 | */ | |
746 | if (likely(align <= __alignof__(qemu_max_align_t))) { | |
747 | obj = g_malloc(size); | |
748 | obj_free = g_free; | |
749 | } else { | |
750 | obj = qemu_memalign(align, size); | |
751 | obj_free = qemu_vfree; | |
752 | } | |
753 | ||
754 | object_initialize_with_type(obj, size, type); | |
755 | obj->free = obj_free; | |
2f28d2ff AL |
756 | |
757 | return obj; | |
758 | } | |
759 | ||
3c75e12e PB |
760 | Object *object_new_with_class(ObjectClass *klass) |
761 | { | |
762 | return object_new_with_type(klass->type); | |
763 | } | |
764 | ||
2f28d2ff AL |
765 | Object *object_new(const char *typename) |
766 | { | |
767 | TypeImpl *ti = type_get_by_name(typename); | |
768 | ||
769 | return object_new_with_type(ti); | |
770 | } | |
771 | ||
a31bdae5 DB |
772 | |
773 | Object *object_new_with_props(const char *typename, | |
774 | Object *parent, | |
775 | const char *id, | |
776 | Error **errp, | |
777 | ...) | |
778 | { | |
779 | va_list vargs; | |
780 | Object *obj; | |
781 | ||
782 | va_start(vargs, errp); | |
783 | obj = object_new_with_propv(typename, parent, id, errp, vargs); | |
784 | va_end(vargs); | |
785 | ||
786 | return obj; | |
787 | } | |
788 | ||
789 | ||
790 | Object *object_new_with_propv(const char *typename, | |
791 | Object *parent, | |
792 | const char *id, | |
793 | Error **errp, | |
794 | va_list vargs) | |
795 | { | |
796 | Object *obj; | |
797 | ObjectClass *klass; | |
3650b2de | 798 | UserCreatable *uc; |
a31bdae5 DB |
799 | |
800 | klass = object_class_by_name(typename); | |
801 | if (!klass) { | |
802 | error_setg(errp, "invalid object type: %s", typename); | |
803 | return NULL; | |
804 | } | |
805 | ||
806 | if (object_class_is_abstract(klass)) { | |
807 | error_setg(errp, "object type '%s' is abstract", typename); | |
808 | return NULL; | |
809 | } | |
66e1155a | 810 | obj = object_new_with_type(klass->type); |
a31bdae5 | 811 | |
b783f54d | 812 | if (!object_set_propv(obj, errp, vargs)) { |
a31bdae5 DB |
813 | goto error; |
814 | } | |
815 | ||
6134d752 | 816 | if (id != NULL) { |
d2623129 | 817 | object_property_add_child(parent, id, obj); |
a31bdae5 DB |
818 | } |
819 | ||
3650b2de MAL |
820 | uc = (UserCreatable *)object_dynamic_cast(obj, TYPE_USER_CREATABLE); |
821 | if (uc) { | |
992861fb | 822 | if (!user_creatable_complete(uc, errp)) { |
6134d752 DB |
823 | if (id != NULL) { |
824 | object_unparent(obj); | |
825 | } | |
a31bdae5 DB |
826 | goto error; |
827 | } | |
828 | } | |
829 | ||
688ffbb4 | 830 | object_unref(obj); |
a31bdae5 DB |
831 | return obj; |
832 | ||
833 | error: | |
a31bdae5 DB |
834 | object_unref(obj); |
835 | return NULL; | |
836 | } | |
837 | ||
838 | ||
b783f54d | 839 | bool object_set_props(Object *obj, |
a31bdae5 DB |
840 | Error **errp, |
841 | ...) | |
842 | { | |
843 | va_list vargs; | |
b783f54d | 844 | bool ret; |
a31bdae5 DB |
845 | |
846 | va_start(vargs, errp); | |
847 | ret = object_set_propv(obj, errp, vargs); | |
848 | va_end(vargs); | |
849 | ||
850 | return ret; | |
851 | } | |
852 | ||
853 | ||
b783f54d | 854 | bool object_set_propv(Object *obj, |
a31bdae5 DB |
855 | Error **errp, |
856 | va_list vargs) | |
857 | { | |
858 | const char *propname; | |
a31bdae5 DB |
859 | |
860 | propname = va_arg(vargs, char *); | |
861 | while (propname != NULL) { | |
862 | const char *value = va_arg(vargs, char *); | |
863 | ||
864 | g_assert(value != NULL); | |
668f62ec | 865 | if (!object_property_parse(obj, propname, value, errp)) { |
b783f54d | 866 | return false; |
a31bdae5 DB |
867 | } |
868 | propname = va_arg(vargs, char *); | |
869 | } | |
870 | ||
b783f54d | 871 | return true; |
a31bdae5 DB |
872 | } |
873 | ||
874 | ||
2f28d2ff AL |
875 | Object *object_dynamic_cast(Object *obj, const char *typename) |
876 | { | |
b7f43fe4 | 877 | if (obj && object_class_dynamic_cast(object_get_class(obj), typename)) { |
acc4af3f PB |
878 | return obj; |
879 | } | |
880 | ||
2f28d2ff AL |
881 | return NULL; |
882 | } | |
883 | ||
be17f18b PB |
884 | Object *object_dynamic_cast_assert(Object *obj, const char *typename, |
885 | const char *file, int line, const char *func) | |
2f28d2ff | 886 | { |
fa131d94 PB |
887 | trace_object_dynamic_cast_assert(obj ? obj->class->type->name : "(null)", |
888 | typename, file, line, func); | |
889 | ||
3556c233 | 890 | #ifdef CONFIG_QOM_CAST_DEBUG |
03587328 AL |
891 | int i; |
892 | Object *inst; | |
893 | ||
95916abc | 894 | for (i = 0; obj && i < OBJECT_CLASS_CAST_CACHE; i++) { |
d73415a3 | 895 | if (qatomic_read(&obj->class->object_cast_cache[i]) == typename) { |
03587328 AL |
896 | goto out; |
897 | } | |
898 | } | |
899 | ||
900 | inst = object_dynamic_cast(obj, typename); | |
2f28d2ff | 901 | |
b7f43fe4 | 902 | if (!inst && obj) { |
be17f18b PB |
903 | fprintf(stderr, "%s:%d:%s: Object %p is not an instance of type %s\n", |
904 | file, line, func, obj, typename); | |
2f28d2ff AL |
905 | abort(); |
906 | } | |
907 | ||
3556c233 | 908 | assert(obj == inst); |
03587328 | 909 | |
95916abc | 910 | if (obj && obj == inst) { |
03587328 | 911 | for (i = 1; i < OBJECT_CLASS_CAST_CACHE; i++) { |
d73415a3 SH |
912 | qatomic_set(&obj->class->object_cast_cache[i - 1], |
913 | qatomic_read(&obj->class->object_cast_cache[i])); | |
03587328 | 914 | } |
d73415a3 | 915 | qatomic_set(&obj->class->object_cast_cache[i - 1], typename); |
03587328 AL |
916 | } |
917 | ||
918 | out: | |
3556c233 PB |
919 | #endif |
920 | return obj; | |
2f28d2ff AL |
921 | } |
922 | ||
923 | ObjectClass *object_class_dynamic_cast(ObjectClass *class, | |
924 | const char *typename) | |
925 | { | |
33e95c63 | 926 | ObjectClass *ret = NULL; |
bf0fda34 PB |
927 | TypeImpl *target_type; |
928 | TypeImpl *type; | |
2f28d2ff | 929 | |
bf0fda34 PB |
930 | if (!class) { |
931 | return NULL; | |
932 | } | |
933 | ||
793c96b5 | 934 | /* A simple fast path that can trigger a lot for leaf classes. */ |
bf0fda34 | 935 | type = class->type; |
793c96b5 PB |
936 | if (type->name == typename) { |
937 | return class; | |
938 | } | |
939 | ||
bf0fda34 | 940 | target_type = type_get_by_name(typename); |
9ab880b3 AG |
941 | if (!target_type) { |
942 | /* target class type unknown, so fail the cast */ | |
943 | return NULL; | |
944 | } | |
945 | ||
00e2ceae PC |
946 | if (type->class->interfaces && |
947 | type_is_ancestor(target_type, type_interface)) { | |
33e95c63 AL |
948 | int found = 0; |
949 | GSList *i; | |
2f28d2ff | 950 | |
33e95c63 AL |
951 | for (i = class->interfaces; i; i = i->next) { |
952 | ObjectClass *target_class = i->data; | |
953 | ||
954 | if (type_is_ancestor(target_class->type, target_type)) { | |
955 | ret = target_class; | |
956 | found++; | |
957 | } | |
958 | } | |
959 | ||
960 | /* The match was ambiguous, don't allow a cast */ | |
961 | if (found > 1) { | |
962 | ret = NULL; | |
963 | } | |
964 | } else if (type_is_ancestor(type, target_type)) { | |
965 | ret = class; | |
2f28d2ff AL |
966 | } |
967 | ||
33e95c63 | 968 | return ret; |
2f28d2ff AL |
969 | } |
970 | ||
971 | ObjectClass *object_class_dynamic_cast_assert(ObjectClass *class, | |
be17f18b PB |
972 | const char *typename, |
973 | const char *file, int line, | |
974 | const char *func) | |
2f28d2ff | 975 | { |
fa131d94 PB |
976 | ObjectClass *ret; |
977 | ||
978 | trace_object_class_dynamic_cast_assert(class ? class->type->name : "(null)", | |
979 | typename, file, line, func); | |
2f28d2ff | 980 | |
03587328 AL |
981 | #ifdef CONFIG_QOM_CAST_DEBUG |
982 | int i; | |
983 | ||
9d6a3d58 | 984 | for (i = 0; class && i < OBJECT_CLASS_CAST_CACHE; i++) { |
d73415a3 | 985 | if (qatomic_read(&class->class_cast_cache[i]) == typename) { |
03587328 AL |
986 | ret = class; |
987 | goto out; | |
988 | } | |
989 | } | |
990 | #else | |
9d6a3d58 | 991 | if (!class || !class->interfaces) { |
3556c233 PB |
992 | return class; |
993 | } | |
994 | #endif | |
995 | ||
fa131d94 | 996 | ret = object_class_dynamic_cast(class, typename); |
bf0fda34 | 997 | if (!ret && class) { |
be17f18b PB |
998 | fprintf(stderr, "%s:%d:%s: Object %p is not an instance of type %s\n", |
999 | file, line, func, class, typename); | |
2f28d2ff AL |
1000 | abort(); |
1001 | } | |
1002 | ||
03587328 | 1003 | #ifdef CONFIG_QOM_CAST_DEBUG |
9d6a3d58 | 1004 | if (class && ret == class) { |
03587328 | 1005 | for (i = 1; i < OBJECT_CLASS_CAST_CACHE; i++) { |
d73415a3 SH |
1006 | qatomic_set(&class->class_cast_cache[i - 1], |
1007 | qatomic_read(&class->class_cast_cache[i])); | |
03587328 | 1008 | } |
d73415a3 | 1009 | qatomic_set(&class->class_cast_cache[i - 1], typename); |
03587328 AL |
1010 | } |
1011 | out: | |
1012 | #endif | |
2f28d2ff AL |
1013 | return ret; |
1014 | } | |
1015 | ||
8f5d58ef | 1016 | const char *object_get_typename(const Object *obj) |
2f28d2ff AL |
1017 | { |
1018 | return obj->class->type->name; | |
1019 | } | |
1020 | ||
1021 | ObjectClass *object_get_class(Object *obj) | |
1022 | { | |
1023 | return obj->class; | |
1024 | } | |
1025 | ||
17862378 AF |
1026 | bool object_class_is_abstract(ObjectClass *klass) |
1027 | { | |
1028 | return klass->type->abstract; | |
1029 | } | |
1030 | ||
2f28d2ff AL |
1031 | const char *object_class_get_name(ObjectClass *klass) |
1032 | { | |
1033 | return klass->type->name; | |
1034 | } | |
1035 | ||
1036 | ObjectClass *object_class_by_name(const char *typename) | |
1037 | { | |
1038 | TypeImpl *type = type_get_by_name(typename); | |
1039 | ||
1040 | if (!type) { | |
1041 | return NULL; | |
1042 | } | |
1043 | ||
ac451033 | 1044 | type_initialize(type); |
2f28d2ff AL |
1045 | |
1046 | return type->class; | |
1047 | } | |
1048 | ||
0f8198f1 GH |
1049 | ObjectClass *module_object_class_by_name(const char *typename) |
1050 | { | |
1051 | ObjectClass *oc; | |
1052 | ||
1053 | oc = object_class_by_name(typename); | |
1054 | #ifdef CONFIG_MODULES | |
1055 | if (!oc) { | |
c551fb0b CF |
1056 | Error *local_err = NULL; |
1057 | int rv = module_load_qom(typename, &local_err); | |
1058 | if (rv > 0) { | |
1059 | oc = object_class_by_name(typename); | |
1060 | } else if (rv < 0) { | |
1061 | error_report_err(local_err); | |
1062 | } | |
0f8198f1 GH |
1063 | } |
1064 | #endif | |
1065 | return oc; | |
1066 | } | |
1067 | ||
e7cce67f PB |
1068 | ObjectClass *object_class_get_parent(ObjectClass *class) |
1069 | { | |
1070 | TypeImpl *type = type_get_parent(class->type); | |
1071 | ||
1072 | if (!type) { | |
1073 | return NULL; | |
1074 | } | |
1075 | ||
1076 | type_initialize(type); | |
1077 | ||
1078 | return type->class; | |
1079 | } | |
1080 | ||
2f28d2ff AL |
1081 | typedef struct OCFData |
1082 | { | |
1083 | void (*fn)(ObjectClass *klass, void *opaque); | |
93c511a1 AL |
1084 | const char *implements_type; |
1085 | bool include_abstract; | |
2f28d2ff AL |
1086 | void *opaque; |
1087 | } OCFData; | |
1088 | ||
1089 | static void object_class_foreach_tramp(gpointer key, gpointer value, | |
1090 | gpointer opaque) | |
1091 | { | |
1092 | OCFData *data = opaque; | |
1093 | TypeImpl *type = value; | |
93c511a1 | 1094 | ObjectClass *k; |
2f28d2ff | 1095 | |
ac451033 | 1096 | type_initialize(type); |
93c511a1 | 1097 | k = type->class; |
2f28d2ff | 1098 | |
93c511a1 AL |
1099 | if (!data->include_abstract && type->abstract) { |
1100 | return; | |
1101 | } | |
1102 | ||
1103 | if (data->implements_type && | |
1104 | !object_class_dynamic_cast(k, data->implements_type)) { | |
1105 | return; | |
1106 | } | |
1107 | ||
1108 | data->fn(k, data->opaque); | |
2f28d2ff AL |
1109 | } |
1110 | ||
1111 | void object_class_foreach(void (*fn)(ObjectClass *klass, void *opaque), | |
93c511a1 | 1112 | const char *implements_type, bool include_abstract, |
2f28d2ff AL |
1113 | void *opaque) |
1114 | { | |
93c511a1 | 1115 | OCFData data = { fn, implements_type, include_abstract, opaque }; |
2f28d2ff | 1116 | |
f54c19ca | 1117 | enumerating_types = true; |
2f28d2ff | 1118 | g_hash_table_foreach(type_table_get(), object_class_foreach_tramp, &data); |
f54c19ca | 1119 | enumerating_types = false; |
2f28d2ff | 1120 | } |
57c9fafe | 1121 | |
d714b8de PC |
1122 | static int do_object_child_foreach(Object *obj, |
1123 | int (*fn)(Object *child, void *opaque), | |
1124 | void *opaque, bool recurse) | |
32efc535 | 1125 | { |
b604a854 PF |
1126 | GHashTableIter iter; |
1127 | ObjectProperty *prop; | |
32efc535 PB |
1128 | int ret = 0; |
1129 | ||
b604a854 PF |
1130 | g_hash_table_iter_init(&iter, obj->properties); |
1131 | while (g_hash_table_iter_next(&iter, NULL, (gpointer *)&prop)) { | |
32efc535 | 1132 | if (object_property_is_child(prop)) { |
d714b8de PC |
1133 | Object *child = prop->opaque; |
1134 | ||
1135 | ret = fn(child, opaque); | |
32efc535 PB |
1136 | if (ret != 0) { |
1137 | break; | |
1138 | } | |
d714b8de | 1139 | if (recurse) { |
4a39181d CLG |
1140 | ret = do_object_child_foreach(child, fn, opaque, true); |
1141 | if (ret != 0) { | |
1142 | break; | |
1143 | } | |
d714b8de | 1144 | } |
32efc535 PB |
1145 | } |
1146 | } | |
1147 | return ret; | |
1148 | } | |
1149 | ||
d714b8de PC |
1150 | int object_child_foreach(Object *obj, int (*fn)(Object *child, void *opaque), |
1151 | void *opaque) | |
1152 | { | |
1153 | return do_object_child_foreach(obj, fn, opaque, false); | |
1154 | } | |
1155 | ||
1156 | int object_child_foreach_recursive(Object *obj, | |
1157 | int (*fn)(Object *child, void *opaque), | |
1158 | void *opaque) | |
1159 | { | |
1160 | return do_object_child_foreach(obj, fn, opaque, true); | |
1161 | } | |
1162 | ||
418ba9e5 AF |
1163 | static void object_class_get_list_tramp(ObjectClass *klass, void *opaque) |
1164 | { | |
1165 | GSList **list = opaque; | |
1166 | ||
1167 | *list = g_slist_prepend(*list, klass); | |
1168 | } | |
1169 | ||
1170 | GSList *object_class_get_list(const char *implements_type, | |
1171 | bool include_abstract) | |
1172 | { | |
1173 | GSList *list = NULL; | |
1174 | ||
1175 | object_class_foreach(object_class_get_list_tramp, | |
1176 | implements_type, include_abstract, &list); | |
1177 | return list; | |
1178 | } | |
1179 | ||
47c66009 PB |
1180 | static gint object_class_cmp(gconstpointer a, gconstpointer b) |
1181 | { | |
1182 | return strcasecmp(object_class_get_name((ObjectClass *)a), | |
1183 | object_class_get_name((ObjectClass *)b)); | |
1184 | } | |
1185 | ||
1186 | GSList *object_class_get_list_sorted(const char *implements_type, | |
1187 | bool include_abstract) | |
1188 | { | |
1189 | return g_slist_sort(object_class_get_list(implements_type, include_abstract), | |
1190 | object_class_cmp); | |
1191 | } | |
1192 | ||
c5a61e5a | 1193 | Object *object_ref(void *objptr) |
57c9fafe | 1194 | { |
c5a61e5a | 1195 | Object *obj = OBJECT(objptr); |
e3682878 MT |
1196 | uint32_t ref; |
1197 | ||
8ffad850 | 1198 | if (!obj) { |
b77ade9b | 1199 | return NULL; |
8ffad850 | 1200 | } |
e3682878 MT |
1201 | ref = qatomic_fetch_inc(&obj->ref); |
1202 | /* Assert waaay before the integer overflows */ | |
1203 | g_assert(ref < INT_MAX); | |
b77ade9b | 1204 | return obj; |
57c9fafe AL |
1205 | } |
1206 | ||
c5a61e5a | 1207 | void object_unref(void *objptr) |
57c9fafe | 1208 | { |
c5a61e5a | 1209 | Object *obj = OBJECT(objptr); |
8ffad850 PC |
1210 | if (!obj) { |
1211 | return; | |
1212 | } | |
719a3077 | 1213 | g_assert(obj->ref > 0); |
57c9fafe AL |
1214 | |
1215 | /* parent always holds a reference to its children */ | |
d73415a3 | 1216 | if (qatomic_fetch_dec(&obj->ref) == 1) { |
57c9fafe AL |
1217 | object_finalize(obj); |
1218 | } | |
1219 | } | |
1220 | ||
db57fef1 | 1221 | ObjectProperty * |
d2623129 MA |
1222 | object_property_try_add(Object *obj, const char *name, const char *type, |
1223 | ObjectPropertyAccessor *get, | |
1224 | ObjectPropertyAccessor *set, | |
1225 | ObjectPropertyRelease *release, | |
1226 | void *opaque, Error **errp) | |
57c9fafe | 1227 | { |
54852b03 | 1228 | ObjectProperty *prop; |
33965904 PC |
1229 | size_t name_len = strlen(name); |
1230 | ||
1231 | if (name_len >= 3 && !memcmp(name + name_len - 3, "[*]", 4)) { | |
1232 | int i; | |
1bf8b88f | 1233 | ObjectProperty *ret = NULL; |
33965904 PC |
1234 | char *name_no_array = g_strdup(name); |
1235 | ||
1236 | name_no_array[name_len - 3] = '\0'; | |
1bf8b88f | 1237 | for (i = 0; i < INT16_MAX; ++i) { |
33965904 PC |
1238 | char *full_name = g_strdup_printf("%s[%d]", name_no_array, i); |
1239 | ||
d2623129 MA |
1240 | ret = object_property_try_add(obj, full_name, type, get, set, |
1241 | release, opaque, NULL); | |
33965904 PC |
1242 | g_free(full_name); |
1243 | if (ret) { | |
1244 | break; | |
1245 | } | |
1246 | } | |
1247 | g_free(name_no_array); | |
1bf8b88f | 1248 | assert(ret); |
33965904 PC |
1249 | return ret; |
1250 | } | |
54852b03 | 1251 | |
efba1595 | 1252 | if (object_property_find(obj, name) != NULL) { |
d55e937d GK |
1253 | error_setg(errp, "attempt to add duplicate property '%s' to object (type '%s')", |
1254 | name, object_get_typename(obj)); | |
b604a854 | 1255 | return NULL; |
54852b03 PM |
1256 | } |
1257 | ||
1258 | prop = g_malloc0(sizeof(*prop)); | |
57c9fafe AL |
1259 | |
1260 | prop->name = g_strdup(name); | |
1261 | prop->type = g_strdup(type); | |
1262 | ||
1263 | prop->get = get; | |
1264 | prop->set = set; | |
1265 | prop->release = release; | |
1266 | prop->opaque = opaque; | |
1267 | ||
b604a854 | 1268 | g_hash_table_insert(obj->properties, prop->name, prop); |
64607d08 | 1269 | return prop; |
57c9fafe AL |
1270 | } |
1271 | ||
d2623129 MA |
1272 | ObjectProperty * |
1273 | object_property_add(Object *obj, const char *name, const char *type, | |
1274 | ObjectPropertyAccessor *get, | |
1275 | ObjectPropertyAccessor *set, | |
1276 | ObjectPropertyRelease *release, | |
1277 | void *opaque) | |
1278 | { | |
1279 | return object_property_try_add(obj, name, type, get, set, release, | |
1280 | opaque, &error_abort); | |
1281 | } | |
1282 | ||
16bf7f52 DB |
1283 | ObjectProperty * |
1284 | object_class_property_add(ObjectClass *klass, | |
1285 | const char *name, | |
1286 | const char *type, | |
1287 | ObjectPropertyAccessor *get, | |
1288 | ObjectPropertyAccessor *set, | |
1289 | ObjectPropertyRelease *release, | |
d2623129 | 1290 | void *opaque) |
16bf7f52 DB |
1291 | { |
1292 | ObjectProperty *prop; | |
1293 | ||
efba1595 | 1294 | assert(!object_class_property_find(klass, name)); |
16bf7f52 DB |
1295 | |
1296 | prop = g_malloc0(sizeof(*prop)); | |
1297 | ||
1298 | prop->name = g_strdup(name); | |
1299 | prop->type = g_strdup(type); | |
1300 | ||
1301 | prop->get = get; | |
1302 | prop->set = set; | |
1303 | prop->release = release; | |
1304 | prop->opaque = opaque; | |
1305 | ||
ba806ffb | 1306 | g_hash_table_insert(klass->properties, prop->name, prop); |
16bf7f52 DB |
1307 | |
1308 | return prop; | |
1309 | } | |
1310 | ||
efba1595 | 1311 | ObjectProperty *object_property_find(Object *obj, const char *name) |
57c9fafe AL |
1312 | { |
1313 | ObjectProperty *prop; | |
16bf7f52 DB |
1314 | ObjectClass *klass = object_get_class(obj); |
1315 | ||
efba1595 | 1316 | prop = object_class_property_find(klass, name); |
16bf7f52 DB |
1317 | if (prop) { |
1318 | return prop; | |
1319 | } | |
57c9fafe | 1320 | |
efba1595 DB |
1321 | return g_hash_table_lookup(obj->properties, name); |
1322 | } | |
57c9fafe | 1323 | |
efba1595 DB |
1324 | ObjectProperty *object_property_find_err(Object *obj, const char *name, |
1325 | Error **errp) | |
1326 | { | |
1327 | ObjectProperty *prop = object_property_find(obj, name); | |
1328 | if (!prop) { | |
4d9c7c84 PMD |
1329 | error_setg(errp, "Property '%s.%s' not found", |
1330 | object_get_typename(obj), name); | |
efba1595 DB |
1331 | } |
1332 | return prop; | |
57c9fafe AL |
1333 | } |
1334 | ||
7746abd8 DB |
1335 | void object_property_iter_init(ObjectPropertyIterator *iter, |
1336 | Object *obj) | |
a00c9482 | 1337 | { |
7746abd8 DB |
1338 | g_hash_table_iter_init(&iter->iter, obj->properties); |
1339 | iter->nextclass = object_get_class(obj); | |
a00c9482 DB |
1340 | } |
1341 | ||
1342 | ObjectProperty *object_property_iter_next(ObjectPropertyIterator *iter) | |
1343 | { | |
b604a854 | 1344 | gpointer key, val; |
16bf7f52 DB |
1345 | while (!g_hash_table_iter_next(&iter->iter, &key, &val)) { |
1346 | if (!iter->nextclass) { | |
1347 | return NULL; | |
1348 | } | |
1349 | g_hash_table_iter_init(&iter->iter, iter->nextclass->properties); | |
1350 | iter->nextclass = object_class_get_parent(iter->nextclass); | |
a00c9482 | 1351 | } |
b604a854 | 1352 | return val; |
a00c9482 DB |
1353 | } |
1354 | ||
961c47bb AK |
1355 | void object_class_property_iter_init(ObjectPropertyIterator *iter, |
1356 | ObjectClass *klass) | |
1357 | { | |
1358 | g_hash_table_iter_init(&iter->iter, klass->properties); | |
684546d8 | 1359 | iter->nextclass = object_class_get_parent(klass); |
961c47bb AK |
1360 | } |
1361 | ||
efba1595 | 1362 | ObjectProperty *object_class_property_find(ObjectClass *klass, const char *name) |
16bf7f52 | 1363 | { |
16bf7f52 DB |
1364 | ObjectClass *parent_klass; |
1365 | ||
1366 | parent_klass = object_class_get_parent(klass); | |
1367 | if (parent_klass) { | |
efba1595 DB |
1368 | ObjectProperty *prop = |
1369 | object_class_property_find(parent_klass, name); | |
16bf7f52 DB |
1370 | if (prop) { |
1371 | return prop; | |
1372 | } | |
1373 | } | |
1374 | ||
efba1595 DB |
1375 | return g_hash_table_lookup(klass->properties, name); |
1376 | } | |
1377 | ||
1378 | ObjectProperty *object_class_property_find_err(ObjectClass *klass, | |
1379 | const char *name, | |
1380 | Error **errp) | |
1381 | { | |
1382 | ObjectProperty *prop = object_class_property_find(klass, name); | |
16bf7f52 DB |
1383 | if (!prop) { |
1384 | error_setg(errp, "Property '.%s' not found", name); | |
1385 | } | |
1386 | return prop; | |
1387 | } | |
1388 | ||
efba1595 | 1389 | |
df4fe0b2 | 1390 | void object_property_del(Object *obj, const char *name) |
57c9fafe | 1391 | { |
b604a854 PF |
1392 | ObjectProperty *prop = g_hash_table_lookup(obj->properties, name); |
1393 | ||
0866aca1 AL |
1394 | if (prop->release) { |
1395 | prop->release(obj, name, prop->opaque); | |
1396 | } | |
b604a854 | 1397 | g_hash_table_remove(obj->properties, name); |
57c9fafe AL |
1398 | } |
1399 | ||
6fd5bef1 | 1400 | bool object_property_get(Object *obj, const char *name, Visitor *v, |
57c9fafe AL |
1401 | Error **errp) |
1402 | { | |
6fd5bef1 | 1403 | Error *err = NULL; |
efba1595 | 1404 | ObjectProperty *prop = object_property_find_err(obj, name, errp); |
6fd5bef1 | 1405 | |
57c9fafe | 1406 | if (prop == NULL) { |
6fd5bef1 | 1407 | return false; |
57c9fafe AL |
1408 | } |
1409 | ||
1410 | if (!prop->get) { | |
3f7febc9 MA |
1411 | error_setg(errp, "Property '%s.%s' is not readable", |
1412 | object_get_typename(obj), name); | |
6fd5bef1 | 1413 | return false; |
57c9fafe | 1414 | } |
6fd5bef1 MA |
1415 | prop->get(obj, v, name, prop->opaque, &err); |
1416 | error_propagate(errp, err); | |
1417 | return !err; | |
57c9fafe AL |
1418 | } |
1419 | ||
6fd5bef1 | 1420 | bool object_property_set(Object *obj, const char *name, Visitor *v, |
57c9fafe AL |
1421 | Error **errp) |
1422 | { | |
dbc8221f | 1423 | ERRP_GUARD(); |
efba1595 | 1424 | ObjectProperty *prop = object_property_find_err(obj, name, errp); |
6fd5bef1 | 1425 | |
57c9fafe | 1426 | if (prop == NULL) { |
6fd5bef1 | 1427 | return false; |
57c9fafe AL |
1428 | } |
1429 | ||
1430 | if (!prop->set) { | |
3f7febc9 MA |
1431 | error_setg(errp, "Property '%s.%s' is not writable", |
1432 | object_get_typename(obj), name); | |
6fd5bef1 | 1433 | return false; |
57c9fafe | 1434 | } |
dbc8221f KW |
1435 | prop->set(obj, v, name, prop->opaque, errp); |
1436 | return !*errp; | |
57c9fafe AL |
1437 | } |
1438 | ||
6fd5bef1 | 1439 | bool object_property_set_str(Object *obj, const char *name, |
5325cc34 | 1440 | const char *value, Error **errp) |
7b7b7d18 PB |
1441 | { |
1442 | QString *qstr = qstring_from_str(value); | |
6fd5bef1 | 1443 | bool ok = object_property_set_qobject(obj, name, QOBJECT(qstr), errp); |
7b7b7d18 | 1444 | |
cb3e7f08 | 1445 | qobject_unref(qstr); |
6fd5bef1 | 1446 | return ok; |
7b7b7d18 PB |
1447 | } |
1448 | ||
1449 | char *object_property_get_str(Object *obj, const char *name, | |
1450 | Error **errp) | |
1451 | { | |
1452 | QObject *ret = object_property_get_qobject(obj, name, errp); | |
26c52828 | 1453 | QString *qstring; |
7b7b7d18 PB |
1454 | char *retval; |
1455 | ||
1456 | if (!ret) { | |
1457 | return NULL; | |
1458 | } | |
26c52828 MA |
1459 | qstring = qobject_to(QString, ret); |
1460 | if (!qstring) { | |
c6bd8c70 | 1461 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name, "string"); |
26c52828 MA |
1462 | retval = NULL; |
1463 | } else { | |
1464 | retval = g_strdup(qstring_get_str(qstring)); | |
7b7b7d18 PB |
1465 | } |
1466 | ||
cb3e7f08 | 1467 | qobject_unref(ret); |
7b7b7d18 PB |
1468 | return retval; |
1469 | } | |
1470 | ||
6fd5bef1 | 1471 | bool object_property_set_link(Object *obj, const char *name, |
5325cc34 | 1472 | Object *value, Error **errp) |
1d9c5a12 | 1473 | { |
6fd5bef1 MA |
1474 | g_autofree char *path = NULL; |
1475 | ||
d3c49316 | 1476 | if (value) { |
6fd5bef1 | 1477 | path = object_get_canonical_path(value); |
d3c49316 | 1478 | } |
6fd5bef1 | 1479 | return object_property_set_str(obj, name, path ?: "", errp); |
1d9c5a12 PB |
1480 | } |
1481 | ||
1482 | Object *object_property_get_link(Object *obj, const char *name, | |
1483 | Error **errp) | |
1484 | { | |
1485 | char *str = object_property_get_str(obj, name, errp); | |
1486 | Object *target = NULL; | |
1487 | ||
1488 | if (str && *str) { | |
1489 | target = object_resolve_path(str, NULL); | |
1490 | if (!target) { | |
75158ebb MA |
1491 | error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND, |
1492 | "Device '%s' not found", str); | |
1d9c5a12 PB |
1493 | } |
1494 | } | |
1495 | ||
1496 | g_free(str); | |
1497 | return target; | |
1498 | } | |
1499 | ||
6fd5bef1 | 1500 | bool object_property_set_bool(Object *obj, const char *name, |
5325cc34 | 1501 | bool value, Error **errp) |
7b7b7d18 | 1502 | { |
fc48ffc3 | 1503 | QBool *qbool = qbool_from_bool(value); |
6fd5bef1 | 1504 | bool ok = object_property_set_qobject(obj, name, QOBJECT(qbool), errp); |
7b7b7d18 | 1505 | |
cb3e7f08 | 1506 | qobject_unref(qbool); |
6fd5bef1 | 1507 | return ok; |
7b7b7d18 PB |
1508 | } |
1509 | ||
1510 | bool object_property_get_bool(Object *obj, const char *name, | |
1511 | Error **errp) | |
1512 | { | |
1513 | QObject *ret = object_property_get_qobject(obj, name, errp); | |
1514 | QBool *qbool; | |
1515 | bool retval; | |
1516 | ||
1517 | if (!ret) { | |
1518 | return false; | |
1519 | } | |
7dc847eb | 1520 | qbool = qobject_to(QBool, ret); |
7b7b7d18 | 1521 | if (!qbool) { |
c6bd8c70 | 1522 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name, "boolean"); |
7b7b7d18 PB |
1523 | retval = false; |
1524 | } else { | |
fc48ffc3 | 1525 | retval = qbool_get_bool(qbool); |
7b7b7d18 PB |
1526 | } |
1527 | ||
cb3e7f08 | 1528 | qobject_unref(ret); |
7b7b7d18 PB |
1529 | return retval; |
1530 | } | |
1531 | ||
6fd5bef1 | 1532 | bool object_property_set_int(Object *obj, const char *name, |
5325cc34 | 1533 | int64_t value, Error **errp) |
7b7b7d18 | 1534 | { |
01b2ffce | 1535 | QNum *qnum = qnum_from_int(value); |
6fd5bef1 | 1536 | bool ok = object_property_set_qobject(obj, name, QOBJECT(qnum), errp); |
7b7b7d18 | 1537 | |
cb3e7f08 | 1538 | qobject_unref(qnum); |
6fd5bef1 | 1539 | return ok; |
7b7b7d18 PB |
1540 | } |
1541 | ||
1542 | int64_t object_property_get_int(Object *obj, const char *name, | |
1543 | Error **errp) | |
1544 | { | |
1545 | QObject *ret = object_property_get_qobject(obj, name, errp); | |
01b2ffce | 1546 | QNum *qnum; |
7b7b7d18 PB |
1547 | int64_t retval; |
1548 | ||
1549 | if (!ret) { | |
1550 | return -1; | |
1551 | } | |
01b2ffce | 1552 | |
7dc847eb | 1553 | qnum = qobject_to(QNum, ret); |
01b2ffce | 1554 | if (!qnum || !qnum_get_try_int(qnum, &retval)) { |
c6bd8c70 | 1555 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name, "int"); |
7b7b7d18 | 1556 | retval = -1; |
7b7b7d18 PB |
1557 | } |
1558 | ||
cb3e7f08 | 1559 | qobject_unref(ret); |
7b7b7d18 | 1560 | return retval; |
b2cd7dee PB |
1561 | } |
1562 | ||
0e76ed0a MAL |
1563 | static void object_property_init_defval(Object *obj, ObjectProperty *prop) |
1564 | { | |
1565 | Visitor *v = qobject_input_visitor_new(prop->defval); | |
1566 | ||
1567 | assert(prop->set != NULL); | |
1568 | prop->set(obj, v, prop->name, prop->opaque, &error_abort); | |
1569 | ||
1570 | visit_free(v); | |
1571 | } | |
1572 | ||
1573 | static void object_property_set_default(ObjectProperty *prop, QObject *defval) | |
1574 | { | |
1575 | assert(!prop->defval); | |
1576 | assert(!prop->init); | |
1577 | ||
1578 | prop->defval = defval; | |
1579 | prop->init = object_property_init_defval; | |
1580 | } | |
1581 | ||
1582 | void object_property_set_default_bool(ObjectProperty *prop, bool value) | |
1583 | { | |
1584 | object_property_set_default(prop, QOBJECT(qbool_from_bool(value))); | |
1585 | } | |
1586 | ||
1587 | void object_property_set_default_str(ObjectProperty *prop, const char *value) | |
1588 | { | |
1589 | object_property_set_default(prop, QOBJECT(qstring_from_str(value))); | |
1590 | } | |
1591 | ||
125062e7 KW |
1592 | void object_property_set_default_list(ObjectProperty *prop) |
1593 | { | |
1594 | object_property_set_default(prop, QOBJECT(qlist_new())); | |
1595 | } | |
1596 | ||
0e76ed0a MAL |
1597 | void object_property_set_default_int(ObjectProperty *prop, int64_t value) |
1598 | { | |
1599 | object_property_set_default(prop, QOBJECT(qnum_from_int(value))); | |
1600 | } | |
1601 | ||
1602 | void object_property_set_default_uint(ObjectProperty *prop, uint64_t value) | |
1603 | { | |
1604 | object_property_set_default(prop, QOBJECT(qnum_from_uint(value))); | |
1605 | } | |
1606 | ||
6fd5bef1 | 1607 | bool object_property_set_uint(Object *obj, const char *name, |
5325cc34 | 1608 | uint64_t value, Error **errp) |
3152779c MAL |
1609 | { |
1610 | QNum *qnum = qnum_from_uint(value); | |
6fd5bef1 | 1611 | bool ok = object_property_set_qobject(obj, name, QOBJECT(qnum), errp); |
3152779c | 1612 | |
cb3e7f08 | 1613 | qobject_unref(qnum); |
6fd5bef1 | 1614 | return ok; |
3152779c MAL |
1615 | } |
1616 | ||
1617 | uint64_t object_property_get_uint(Object *obj, const char *name, | |
1618 | Error **errp) | |
1619 | { | |
1620 | QObject *ret = object_property_get_qobject(obj, name, errp); | |
1621 | QNum *qnum; | |
1622 | uint64_t retval; | |
1623 | ||
1624 | if (!ret) { | |
1625 | return 0; | |
1626 | } | |
7dc847eb | 1627 | qnum = qobject_to(QNum, ret); |
3152779c MAL |
1628 | if (!qnum || !qnum_get_try_uint(qnum, &retval)) { |
1629 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name, "uint"); | |
1630 | retval = 0; | |
1631 | } | |
1632 | ||
cb3e7f08 | 1633 | qobject_unref(ret); |
3152779c MAL |
1634 | return retval; |
1635 | } | |
1636 | ||
a8e3fbed | 1637 | typedef struct EnumProperty { |
f7abe0ec | 1638 | const QEnumLookup *lookup; |
a8e3fbed DB |
1639 | int (*get)(Object *, Error **); |
1640 | void (*set)(Object *, int, Error **); | |
1641 | } EnumProperty; | |
1642 | ||
1f21772d | 1643 | int object_property_get_enum(Object *obj, const char *name, |
a3590dac | 1644 | const char *typename, Error **errp) |
1f21772d | 1645 | { |
976620ac | 1646 | char *str; |
1f21772d | 1647 | int ret; |
efba1595 | 1648 | ObjectProperty *prop = object_property_find_err(obj, name, errp); |
a3590dac DB |
1649 | EnumProperty *enumprop; |
1650 | ||
1651 | if (prop == NULL) { | |
d20f616e | 1652 | return -1; |
a3590dac DB |
1653 | } |
1654 | ||
1655 | if (!g_str_equal(prop->type, typename)) { | |
1656 | error_setg(errp, "Property %s on %s is not '%s' enum type", | |
1657 | name, object_class_get_name( | |
1658 | object_get_class(obj)), typename); | |
d20f616e | 1659 | return -1; |
a3590dac DB |
1660 | } |
1661 | ||
1662 | enumprop = prop->opaque; | |
1f21772d | 1663 | |
b555f89f MA |
1664 | str = object_property_get_str(obj, name, errp); |
1665 | if (!str) { | |
d20f616e | 1666 | return -1; |
4715d42e | 1667 | } |
976620ac | 1668 | |
ea097dff | 1669 | ret = qapi_enum_parse(enumprop->lookup, str, -1, errp); |
976620ac | 1670 | g_free(str); |
1f21772d HT |
1671 | |
1672 | return ret; | |
1673 | } | |
1674 | ||
6fd5bef1 | 1675 | bool object_property_parse(Object *obj, const char *name, |
5325cc34 | 1676 | const char *string, Error **errp) |
b2cd7dee | 1677 | { |
7a0525c7 | 1678 | Visitor *v = string_input_visitor_new(string); |
6fd5bef1 MA |
1679 | bool ok = object_property_set(obj, name, v, errp); |
1680 | ||
7a0525c7 | 1681 | visit_free(v); |
6fd5bef1 | 1682 | return ok; |
b2cd7dee PB |
1683 | } |
1684 | ||
0b7593e0 | 1685 | char *object_property_print(Object *obj, const char *name, bool human, |
b2cd7dee PB |
1686 | Error **errp) |
1687 | { | |
3b098d56 | 1688 | Visitor *v; |
3a53009f | 1689 | char *string = NULL; |
b2cd7dee | 1690 | |
3b098d56 | 1691 | v = string_output_visitor_new(human, &string); |
af175e85 | 1692 | if (!object_property_get(obj, name, v, errp)) { |
3a53009f GA |
1693 | goto out; |
1694 | } | |
1695 | ||
3b098d56 | 1696 | visit_complete(v, &string); |
3a53009f GA |
1697 | |
1698 | out: | |
3b098d56 | 1699 | visit_free(v); |
b2cd7dee | 1700 | return string; |
7b7b7d18 PB |
1701 | } |
1702 | ||
57c9fafe AL |
1703 | const char *object_property_get_type(Object *obj, const char *name, Error **errp) |
1704 | { | |
efba1595 | 1705 | ObjectProperty *prop = object_property_find_err(obj, name, errp); |
57c9fafe | 1706 | if (prop == NULL) { |
57c9fafe AL |
1707 | return NULL; |
1708 | } | |
1709 | ||
1710 | return prop->type; | |
1711 | } | |
1712 | ||
1713 | Object *object_get_root(void) | |
1714 | { | |
8b45d447 | 1715 | static Object *root; |
57c9fafe | 1716 | |
8b45d447 AL |
1717 | if (!root) { |
1718 | root = object_new("container"); | |
57c9fafe AL |
1719 | } |
1720 | ||
8b45d447 | 1721 | return root; |
57c9fafe AL |
1722 | } |
1723 | ||
bc2256c4 DB |
1724 | Object *object_get_objects_root(void) |
1725 | { | |
1726 | return container_get(object_get_root(), "/objects"); | |
1727 | } | |
1728 | ||
7c47c4ea PX |
1729 | Object *object_get_internal_root(void) |
1730 | { | |
1731 | static Object *internal_root; | |
1732 | ||
1733 | if (!internal_root) { | |
1734 | internal_root = object_new("container"); | |
1735 | } | |
1736 | ||
1737 | return internal_root; | |
1738 | } | |
1739 | ||
d7bce999 EB |
1740 | static void object_get_child_property(Object *obj, Visitor *v, |
1741 | const char *name, void *opaque, | |
1742 | Error **errp) | |
57c9fafe AL |
1743 | { |
1744 | Object *child = opaque; | |
ddfb0baa | 1745 | char *path; |
57c9fafe AL |
1746 | |
1747 | path = object_get_canonical_path(child); | |
51e72bc1 | 1748 | visit_type_str(v, name, &path, errp); |
57c9fafe AL |
1749 | g_free(path); |
1750 | } | |
1751 | ||
ddfb0baa MA |
1752 | static Object *object_resolve_child_property(Object *parent, void *opaque, |
1753 | const char *part) | |
64607d08 PB |
1754 | { |
1755 | return opaque; | |
1756 | } | |
1757 | ||
db85b575 AL |
1758 | static void object_finalize_child_property(Object *obj, const char *name, |
1759 | void *opaque) | |
1760 | { | |
1761 | Object *child = opaque; | |
1762 | ||
bffc687d PB |
1763 | if (child->class->unparent) { |
1764 | (child->class->unparent)(child); | |
1765 | } | |
1766 | child->parent = NULL; | |
db85b575 AL |
1767 | object_unref(child); |
1768 | } | |
1769 | ||
70251887 | 1770 | ObjectProperty * |
db57fef1 EA |
1771 | object_property_try_add_child(Object *obj, const char *name, |
1772 | Object *child, Error **errp) | |
57c9fafe | 1773 | { |
70251887 | 1774 | g_autofree char *type = NULL; |
64607d08 | 1775 | ObjectProperty *op; |
57c9fafe | 1776 | |
d2623129 | 1777 | assert(!child->parent); |
8faa2f85 | 1778 | |
688ffbb4 | 1779 | type = g_strdup_printf("child<%s>", object_get_typename(child)); |
57c9fafe | 1780 | |
db57fef1 EA |
1781 | op = object_property_try_add(obj, name, type, object_get_child_property, |
1782 | NULL, object_finalize_child_property, | |
1783 | child, errp); | |
1784 | if (!op) { | |
1785 | return NULL; | |
1786 | } | |
64607d08 | 1787 | op->resolve = object_resolve_child_property; |
57c9fafe | 1788 | object_ref(child); |
57c9fafe | 1789 | child->parent = obj; |
70251887 | 1790 | return op; |
57c9fafe AL |
1791 | } |
1792 | ||
db57fef1 EA |
1793 | ObjectProperty * |
1794 | object_property_add_child(Object *obj, const char *name, | |
1795 | Object *child) | |
1796 | { | |
1797 | return object_property_try_add_child(obj, name, child, &error_abort); | |
1798 | } | |
1799 | ||
8f5d58ef | 1800 | void object_property_allow_set_link(const Object *obj, const char *name, |
39f72ef9 SH |
1801 | Object *val, Error **errp) |
1802 | { | |
1803 | /* Allow the link to be set, always */ | |
1804 | } | |
1805 | ||
9561fda8 | 1806 | typedef struct { |
9941d37b MAL |
1807 | union { |
1808 | Object **targetp; | |
1809 | Object *target; /* if OBJ_PROP_LINK_DIRECT, when holding the pointer */ | |
840ecdfb | 1810 | ptrdiff_t offset; /* if OBJ_PROP_LINK_CLASS */ |
9941d37b | 1811 | }; |
8f5d58ef | 1812 | void (*check)(const Object *, const char *, Object *, Error **); |
9561fda8 SH |
1813 | ObjectPropertyLinkFlags flags; |
1814 | } LinkProperty; | |
1815 | ||
9941d37b MAL |
1816 | static Object ** |
1817 | object_link_get_targetp(Object *obj, LinkProperty *lprop) | |
1818 | { | |
1819 | if (lprop->flags & OBJ_PROP_LINK_DIRECT) { | |
1820 | return &lprop->target; | |
840ecdfb MAL |
1821 | } else if (lprop->flags & OBJ_PROP_LINK_CLASS) { |
1822 | return (void *)obj + lprop->offset; | |
9941d37b MAL |
1823 | } else { |
1824 | return lprop->targetp; | |
1825 | } | |
1826 | } | |
1827 | ||
d7bce999 EB |
1828 | static void object_get_link_property(Object *obj, Visitor *v, |
1829 | const char *name, void *opaque, | |
1830 | Error **errp) | |
57c9fafe | 1831 | { |
9561fda8 | 1832 | LinkProperty *lprop = opaque; |
9941d37b | 1833 | Object **targetp = object_link_get_targetp(obj, lprop); |
ddfb0baa | 1834 | char *path; |
57c9fafe | 1835 | |
36854207 MAL |
1836 | if (*targetp) { |
1837 | path = object_get_canonical_path(*targetp); | |
51e72bc1 | 1838 | visit_type_str(v, name, &path, errp); |
57c9fafe AL |
1839 | g_free(path); |
1840 | } else { | |
ddfb0baa | 1841 | path = (char *)""; |
51e72bc1 | 1842 | visit_type_str(v, name, &path, errp); |
57c9fafe AL |
1843 | } |
1844 | } | |
1845 | ||
f5ec6704 SH |
1846 | /* |
1847 | * object_resolve_link: | |
1848 | * | |
1849 | * Lookup an object and ensure its type matches the link property type. This | |
1850 | * is similar to object_resolve_path() except type verification against the | |
1851 | * link property is performed. | |
1852 | * | |
1853 | * Returns: The matched object or NULL on path lookup failures. | |
1854 | */ | |
1855 | static Object *object_resolve_link(Object *obj, const char *name, | |
1856 | const char *path, Error **errp) | |
1857 | { | |
1858 | const char *type; | |
ddfb0baa | 1859 | char *target_type; |
f5ec6704 SH |
1860 | bool ambiguous = false; |
1861 | Object *target; | |
1862 | ||
1863 | /* Go from link<FOO> to FOO. */ | |
1864 | type = object_property_get_type(obj, name, NULL); | |
1865 | target_type = g_strndup(&type[5], strlen(type) - 6); | |
1866 | target = object_resolve_path_type(path, target_type, &ambiguous); | |
1867 | ||
1868 | if (ambiguous) { | |
455b0fde EB |
1869 | error_setg(errp, "Path '%s' does not uniquely identify an object", |
1870 | path); | |
f5ec6704 SH |
1871 | } else if (!target) { |
1872 | target = object_resolve_path(path, &ambiguous); | |
1873 | if (target || ambiguous) { | |
c6bd8c70 | 1874 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name, target_type); |
f5ec6704 | 1875 | } else { |
75158ebb MA |
1876 | error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND, |
1877 | "Device '%s' not found", path); | |
f5ec6704 SH |
1878 | } |
1879 | target = NULL; | |
1880 | } | |
1881 | g_free(target_type); | |
1882 | ||
1883 | return target; | |
1884 | } | |
1885 | ||
d7bce999 EB |
1886 | static void object_set_link_property(Object *obj, Visitor *v, |
1887 | const char *name, void *opaque, | |
1888 | Error **errp) | |
57c9fafe | 1889 | { |
c6aed983 | 1890 | Error *local_err = NULL; |
9561fda8 | 1891 | LinkProperty *prop = opaque; |
9941d37b | 1892 | Object **targetp = object_link_get_targetp(obj, prop); |
36854207 | 1893 | Object *old_target = *targetp; |
1c94a351 | 1894 | Object *new_target; |
c6aed983 | 1895 | char *path = NULL; |
57c9fafe | 1896 | |
1c94a351 MA |
1897 | if (!visit_type_str(v, name, &path, errp)) { |
1898 | return; | |
1899 | } | |
57c9fafe | 1900 | |
1c94a351 MA |
1901 | if (*path) { |
1902 | new_target = object_resolve_link(obj, name, path, errp); | |
1903 | if (!new_target) { | |
1904 | g_free(path); | |
1905 | return; | |
1906 | } | |
1907 | } else { | |
1908 | new_target = NULL; | |
57c9fafe AL |
1909 | } |
1910 | ||
1911 | g_free(path); | |
f0cdc966 | 1912 | |
39f72ef9 SH |
1913 | prop->check(obj, name, new_target, &local_err); |
1914 | if (local_err) { | |
1915 | error_propagate(errp, local_err); | |
1916 | return; | |
1917 | } | |
1918 | ||
36854207 | 1919 | *targetp = new_target; |
8770bafd | 1920 | if (prop->flags & OBJ_PROP_LINK_STRONG) { |
265b578c MAL |
1921 | object_ref(new_target); |
1922 | object_unref(old_target); | |
1923 | } | |
57c9fafe AL |
1924 | } |
1925 | ||
ddfb0baa MA |
1926 | static Object *object_resolve_link_property(Object *parent, void *opaque, |
1927 | const char *part) | |
64607d08 PB |
1928 | { |
1929 | LinkProperty *lprop = opaque; | |
1930 | ||
9941d37b | 1931 | return *object_link_get_targetp(parent, lprop); |
64607d08 PB |
1932 | } |
1933 | ||
9561fda8 SH |
1934 | static void object_release_link_property(Object *obj, const char *name, |
1935 | void *opaque) | |
1936 | { | |
1937 | LinkProperty *prop = opaque; | |
9941d37b | 1938 | Object **targetp = object_link_get_targetp(obj, prop); |
9561fda8 | 1939 | |
9941d37b MAL |
1940 | if ((prop->flags & OBJ_PROP_LINK_STRONG) && *targetp) { |
1941 | object_unref(*targetp); | |
9561fda8 | 1942 | } |
840ecdfb MAL |
1943 | if (!(prop->flags & OBJ_PROP_LINK_CLASS)) { |
1944 | g_free(prop); | |
1945 | } | |
9561fda8 SH |
1946 | } |
1947 | ||
70251887 MA |
1948 | static ObjectProperty * |
1949 | object_add_link_prop(Object *obj, const char *name, | |
1950 | const char *type, void *ptr, | |
1951 | void (*check)(const Object *, const char *, | |
1952 | Object *, Error **), | |
d2623129 | 1953 | ObjectPropertyLinkFlags flags) |
57c9fafe | 1954 | { |
9561fda8 | 1955 | LinkProperty *prop = g_malloc(sizeof(*prop)); |
70251887 | 1956 | g_autofree char *full_type = NULL; |
64607d08 | 1957 | ObjectProperty *op; |
57c9fafe | 1958 | |
4a8d5798 MAL |
1959 | if (flags & OBJ_PROP_LINK_DIRECT) { |
1960 | prop->target = ptr; | |
1961 | } else { | |
1962 | prop->targetp = ptr; | |
1963 | } | |
39f72ef9 | 1964 | prop->check = check; |
9561fda8 SH |
1965 | prop->flags = flags; |
1966 | ||
57c9fafe AL |
1967 | full_type = g_strdup_printf("link<%s>", type); |
1968 | ||
64607d08 PB |
1969 | op = object_property_add(obj, name, full_type, |
1970 | object_get_link_property, | |
1971 | check ? object_set_link_property : NULL, | |
1972 | object_release_link_property, | |
d2623129 | 1973 | prop); |
64607d08 | 1974 | op->resolve = object_resolve_link_property; |
70251887 | 1975 | return op; |
57c9fafe AL |
1976 | } |
1977 | ||
70251887 MA |
1978 | ObjectProperty * |
1979 | object_property_add_link(Object *obj, const char *name, | |
1980 | const char *type, Object **targetp, | |
1981 | void (*check)(const Object *, const char *, | |
1982 | Object *, Error **), | |
d2623129 | 1983 | ObjectPropertyLinkFlags flags) |
4a8d5798 | 1984 | { |
d2623129 | 1985 | return object_add_link_prop(obj, name, type, targetp, check, flags); |
4a8d5798 MAL |
1986 | } |
1987 | ||
840ecdfb MAL |
1988 | ObjectProperty * |
1989 | object_class_property_add_link(ObjectClass *oc, | |
1990 | const char *name, | |
1991 | const char *type, ptrdiff_t offset, | |
1992 | void (*check)(const Object *obj, const char *name, | |
1993 | Object *val, Error **errp), | |
d2623129 | 1994 | ObjectPropertyLinkFlags flags) |
840ecdfb | 1995 | { |
840ecdfb | 1996 | LinkProperty *prop = g_new0(LinkProperty, 1); |
ddfb0baa | 1997 | char *full_type; |
840ecdfb MAL |
1998 | ObjectProperty *op; |
1999 | ||
2000 | prop->offset = offset; | |
2001 | prop->check = check; | |
2002 | prop->flags = flags | OBJ_PROP_LINK_CLASS; | |
2003 | ||
2004 | full_type = g_strdup_printf("link<%s>", type); | |
2005 | ||
2006 | op = object_class_property_add(oc, name, full_type, | |
2007 | object_get_link_property, | |
2008 | check ? object_set_link_property : NULL, | |
2009 | object_release_link_property, | |
d2623129 | 2010 | prop); |
840ecdfb MAL |
2011 | |
2012 | op->resolve = object_resolve_link_property; | |
2013 | ||
840ecdfb MAL |
2014 | g_free(full_type); |
2015 | return op; | |
2016 | } | |
2017 | ||
70251887 MA |
2018 | ObjectProperty * |
2019 | object_property_add_const_link(Object *obj, const char *name, | |
d2623129 | 2020 | Object *target) |
fb9e7e33 | 2021 | { |
70251887 MA |
2022 | return object_add_link_prop(obj, name, |
2023 | object_get_typename(target), target, | |
d2623129 | 2024 | NULL, OBJ_PROP_LINK_DIRECT); |
fb9e7e33 PB |
2025 | } |
2026 | ||
7a309cc9 | 2027 | const char *object_get_canonical_path_component(const Object *obj) |
11f590b1 SH |
2028 | { |
2029 | ObjectProperty *prop = NULL; | |
b604a854 | 2030 | GHashTableIter iter; |
11f590b1 | 2031 | |
770dec26 PB |
2032 | if (obj->parent == NULL) { |
2033 | return NULL; | |
2034 | } | |
11f590b1 | 2035 | |
b604a854 PF |
2036 | g_hash_table_iter_init(&iter, obj->parent->properties); |
2037 | while (g_hash_table_iter_next(&iter, NULL, (gpointer *)&prop)) { | |
11f590b1 SH |
2038 | if (!object_property_is_child(prop)) { |
2039 | continue; | |
2040 | } | |
2041 | ||
2042 | if (prop->opaque == obj) { | |
7a309cc9 | 2043 | return prop->name; |
11f590b1 SH |
2044 | } |
2045 | } | |
2046 | ||
2047 | /* obj had a parent but was not a child, should never happen */ | |
2048 | g_assert_not_reached(); | |
2049 | return NULL; | |
2050 | } | |
2051 | ||
e8512dfa | 2052 | char *object_get_canonical_path(const Object *obj) |
57c9fafe AL |
2053 | { |
2054 | Object *root = object_get_root(); | |
11f590b1 | 2055 | char *newpath, *path = NULL; |
57c9fafe | 2056 | |
e40077fd PB |
2057 | if (obj == root) { |
2058 | return g_strdup("/"); | |
2059 | } | |
2060 | ||
2061 | do { | |
7a309cc9 | 2062 | const char *component = object_get_canonical_path_component(obj); |
57c9fafe | 2063 | |
e40077fd PB |
2064 | if (!component) { |
2065 | /* A canonical path must be complete, so discard what was | |
2066 | * collected so far. | |
2067 | */ | |
11f590b1 | 2068 | g_free(path); |
e40077fd | 2069 | return NULL; |
57c9fafe AL |
2070 | } |
2071 | ||
e40077fd PB |
2072 | newpath = g_strdup_printf("/%s%s", component, path ? path : ""); |
2073 | g_free(path); | |
e40077fd | 2074 | path = newpath; |
57c9fafe | 2075 | obj = obj->parent; |
e40077fd | 2076 | } while (obj != root); |
57c9fafe | 2077 | |
e40077fd | 2078 | return path; |
57c9fafe AL |
2079 | } |
2080 | ||
ddfb0baa | 2081 | Object *object_resolve_path_component(Object *parent, const char *part) |
a612b2a6 | 2082 | { |
efba1595 | 2083 | ObjectProperty *prop = object_property_find(parent, part); |
a612b2a6 PB |
2084 | if (prop == NULL) { |
2085 | return NULL; | |
2086 | } | |
2087 | ||
64607d08 PB |
2088 | if (prop->resolve) { |
2089 | return prop->resolve(parent, prop->opaque, part); | |
a612b2a6 PB |
2090 | } else { |
2091 | return NULL; | |
2092 | } | |
2093 | } | |
2094 | ||
57c9fafe | 2095 | static Object *object_resolve_abs_path(Object *parent, |
ad195c8f MY |
2096 | char **parts, |
2097 | const char *typename) | |
57c9fafe | 2098 | { |
57c9fafe AL |
2099 | Object *child; |
2100 | ||
ad195c8f | 2101 | if (*parts == NULL) { |
02fe2db6 | 2102 | return object_dynamic_cast(parent, typename); |
57c9fafe AL |
2103 | } |
2104 | ||
ad195c8f MY |
2105 | if (strcmp(*parts, "") == 0) { |
2106 | return object_resolve_abs_path(parent, parts + 1, typename); | |
57c9fafe AL |
2107 | } |
2108 | ||
ad195c8f | 2109 | child = object_resolve_path_component(parent, *parts); |
57c9fafe AL |
2110 | if (!child) { |
2111 | return NULL; | |
2112 | } | |
2113 | ||
ad195c8f | 2114 | return object_resolve_abs_path(child, parts + 1, typename); |
57c9fafe AL |
2115 | } |
2116 | ||
2117 | static Object *object_resolve_partial_path(Object *parent, | |
ddfb0baa MA |
2118 | char **parts, |
2119 | const char *typename, | |
2120 | bool *ambiguous) | |
57c9fafe AL |
2121 | { |
2122 | Object *obj; | |
b604a854 | 2123 | GHashTableIter iter; |
57c9fafe AL |
2124 | ObjectProperty *prop; |
2125 | ||
ad195c8f | 2126 | obj = object_resolve_abs_path(parent, parts, typename); |
57c9fafe | 2127 | |
b604a854 PF |
2128 | g_hash_table_iter_init(&iter, parent->properties); |
2129 | while (g_hash_table_iter_next(&iter, NULL, (gpointer *)&prop)) { | |
57c9fafe AL |
2130 | Object *found; |
2131 | ||
5d9d3f47 | 2132 | if (!object_property_is_child(prop)) { |
57c9fafe AL |
2133 | continue; |
2134 | } | |
2135 | ||
02fe2db6 PB |
2136 | found = object_resolve_partial_path(prop->opaque, parts, |
2137 | typename, ambiguous); | |
57c9fafe AL |
2138 | if (found) { |
2139 | if (obj) { | |
ebcc479e | 2140 | *ambiguous = true; |
57c9fafe AL |
2141 | return NULL; |
2142 | } | |
2143 | obj = found; | |
2144 | } | |
2145 | ||
ebcc479e | 2146 | if (*ambiguous) { |
57c9fafe AL |
2147 | return NULL; |
2148 | } | |
2149 | } | |
2150 | ||
2151 | return obj; | |
2152 | } | |
2153 | ||
02fe2db6 | 2154 | Object *object_resolve_path_type(const char *path, const char *typename, |
ebcc479e | 2155 | bool *ambiguousp) |
57c9fafe | 2156 | { |
57c9fafe | 2157 | Object *obj; |
ddfb0baa | 2158 | char **parts; |
57c9fafe AL |
2159 | |
2160 | parts = g_strsplit(path, "/", 0); | |
2e1103f6 | 2161 | assert(parts); |
57c9fafe | 2162 | |
2e1103f6 | 2163 | if (parts[0] == NULL || strcmp(parts[0], "") != 0) { |
ebcc479e | 2164 | bool ambiguous = false; |
02fe2db6 | 2165 | obj = object_resolve_partial_path(object_get_root(), parts, |
ebcc479e EH |
2166 | typename, &ambiguous); |
2167 | if (ambiguousp) { | |
2168 | *ambiguousp = ambiguous; | |
2169 | } | |
57c9fafe | 2170 | } else { |
ad195c8f | 2171 | obj = object_resolve_abs_path(object_get_root(), parts + 1, typename); |
57c9fafe AL |
2172 | } |
2173 | ||
2174 | g_strfreev(parts); | |
2175 | ||
2176 | return obj; | |
2177 | } | |
2178 | ||
02fe2db6 PB |
2179 | Object *object_resolve_path(const char *path, bool *ambiguous) |
2180 | { | |
2181 | return object_resolve_path_type(path, TYPE_OBJECT, ambiguous); | |
2182 | } | |
2183 | ||
1bf4d329 MA |
2184 | Object *object_resolve_path_at(Object *parent, const char *path) |
2185 | { | |
2186 | g_auto(GStrv) parts = g_strsplit(path, "/", 0); | |
2187 | ||
2188 | if (*path == '/') { | |
2189 | return object_resolve_abs_path(object_get_root(), parts + 1, | |
2190 | TYPE_OBJECT); | |
2191 | } | |
2192 | return object_resolve_abs_path(parent, parts, TYPE_OBJECT); | |
2193 | } | |
2194 | ||
57c9fafe AL |
2195 | typedef struct StringProperty |
2196 | { | |
2197 | char *(*get)(Object *, Error **); | |
2198 | void (*set)(Object *, const char *, Error **); | |
2199 | } StringProperty; | |
2200 | ||
d7bce999 EB |
2201 | static void property_get_str(Object *obj, Visitor *v, const char *name, |
2202 | void *opaque, Error **errp) | |
57c9fafe AL |
2203 | { |
2204 | StringProperty *prop = opaque; | |
2205 | char *value; | |
e1c8237d | 2206 | Error *err = NULL; |
57c9fafe | 2207 | |
e1c8237d MA |
2208 | value = prop->get(obj, &err); |
2209 | if (err) { | |
2210 | error_propagate(errp, err); | |
2211 | return; | |
57c9fafe | 2212 | } |
e1c8237d | 2213 | |
51e72bc1 | 2214 | visit_type_str(v, name, &value, errp); |
e1c8237d | 2215 | g_free(value); |
57c9fafe AL |
2216 | } |
2217 | ||
d7bce999 EB |
2218 | static void property_set_str(Object *obj, Visitor *v, const char *name, |
2219 | void *opaque, Error **errp) | |
57c9fafe AL |
2220 | { |
2221 | StringProperty *prop = opaque; | |
2222 | char *value; | |
57c9fafe | 2223 | |
668f62ec | 2224 | if (!visit_type_str(v, name, &value, errp)) { |
57c9fafe AL |
2225 | return; |
2226 | } | |
2227 | ||
2228 | prop->set(obj, value, errp); | |
2229 | g_free(value); | |
2230 | } | |
2231 | ||
169cbac1 PB |
2232 | static void property_release_data(Object *obj, const char *name, |
2233 | void *opaque) | |
57c9fafe | 2234 | { |
169cbac1 | 2235 | g_free(opaque); |
57c9fafe AL |
2236 | } |
2237 | ||
70251887 MA |
2238 | ObjectProperty * |
2239 | object_property_add_str(Object *obj, const char *name, | |
2240 | char *(*get)(Object *, Error **), | |
d2623129 | 2241 | void (*set)(Object *, const char *, Error **)) |
57c9fafe AL |
2242 | { |
2243 | StringProperty *prop = g_malloc0(sizeof(*prop)); | |
2244 | ||
2245 | prop->get = get; | |
2246 | prop->set = set; | |
2247 | ||
d2623129 MA |
2248 | return object_property_add(obj, name, "string", |
2249 | get ? property_get_str : NULL, | |
2250 | set ? property_set_str : NULL, | |
169cbac1 | 2251 | property_release_data, |
d2623129 | 2252 | prop); |
57c9fafe | 2253 | } |
745549c8 | 2254 | |
a3a16211 MAL |
2255 | ObjectProperty * |
2256 | object_class_property_add_str(ObjectClass *klass, const char *name, | |
16bf7f52 DB |
2257 | char *(*get)(Object *, Error **), |
2258 | void (*set)(Object *, const char *, | |
d2623129 | 2259 | Error **)) |
16bf7f52 | 2260 | { |
16bf7f52 DB |
2261 | StringProperty *prop = g_malloc0(sizeof(*prop)); |
2262 | ||
2263 | prop->get = get; | |
2264 | prop->set = set; | |
2265 | ||
d2623129 MA |
2266 | return object_class_property_add(klass, name, "string", |
2267 | get ? property_get_str : NULL, | |
2268 | set ? property_set_str : NULL, | |
2269 | NULL, | |
2270 | prop); | |
16bf7f52 DB |
2271 | } |
2272 | ||
0e558843 AL |
2273 | typedef struct BoolProperty |
2274 | { | |
2275 | bool (*get)(Object *, Error **); | |
2276 | void (*set)(Object *, bool, Error **); | |
2277 | } BoolProperty; | |
2278 | ||
d7bce999 EB |
2279 | static void property_get_bool(Object *obj, Visitor *v, const char *name, |
2280 | void *opaque, Error **errp) | |
0e558843 AL |
2281 | { |
2282 | BoolProperty *prop = opaque; | |
2283 | bool value; | |
4715d42e MA |
2284 | Error *err = NULL; |
2285 | ||
2286 | value = prop->get(obj, &err); | |
2287 | if (err) { | |
2288 | error_propagate(errp, err); | |
2289 | return; | |
2290 | } | |
0e558843 | 2291 | |
51e72bc1 | 2292 | visit_type_bool(v, name, &value, errp); |
0e558843 AL |
2293 | } |
2294 | ||
d7bce999 EB |
2295 | static void property_set_bool(Object *obj, Visitor *v, const char *name, |
2296 | void *opaque, Error **errp) | |
0e558843 AL |
2297 | { |
2298 | BoolProperty *prop = opaque; | |
2299 | bool value; | |
0e558843 | 2300 | |
668f62ec | 2301 | if (!visit_type_bool(v, name, &value, errp)) { |
0e558843 AL |
2302 | return; |
2303 | } | |
2304 | ||
2305 | prop->set(obj, value, errp); | |
2306 | } | |
2307 | ||
70251887 MA |
2308 | ObjectProperty * |
2309 | object_property_add_bool(Object *obj, const char *name, | |
2310 | bool (*get)(Object *, Error **), | |
d2623129 | 2311 | void (*set)(Object *, bool, Error **)) |
0e558843 AL |
2312 | { |
2313 | BoolProperty *prop = g_malloc0(sizeof(*prop)); | |
2314 | ||
2315 | prop->get = get; | |
2316 | prop->set = set; | |
2317 | ||
d2623129 MA |
2318 | return object_property_add(obj, name, "bool", |
2319 | get ? property_get_bool : NULL, | |
2320 | set ? property_set_bool : NULL, | |
169cbac1 | 2321 | property_release_data, |
d2623129 | 2322 | prop); |
0e558843 AL |
2323 | } |
2324 | ||
a3a16211 MAL |
2325 | ObjectProperty * |
2326 | object_class_property_add_bool(ObjectClass *klass, const char *name, | |
16bf7f52 | 2327 | bool (*get)(Object *, Error **), |
d2623129 | 2328 | void (*set)(Object *, bool, Error **)) |
16bf7f52 | 2329 | { |
16bf7f52 DB |
2330 | BoolProperty *prop = g_malloc0(sizeof(*prop)); |
2331 | ||
2332 | prop->get = get; | |
2333 | prop->set = set; | |
2334 | ||
d2623129 MA |
2335 | return object_class_property_add(klass, name, "bool", |
2336 | get ? property_get_bool : NULL, | |
2337 | set ? property_set_bool : NULL, | |
2338 | NULL, | |
2339 | prop); | |
16bf7f52 DB |
2340 | } |
2341 | ||
d7bce999 EB |
2342 | static void property_get_enum(Object *obj, Visitor *v, const char *name, |
2343 | void *opaque, Error **errp) | |
a8e3fbed DB |
2344 | { |
2345 | EnumProperty *prop = opaque; | |
2346 | int value; | |
4715d42e MA |
2347 | Error *err = NULL; |
2348 | ||
2349 | value = prop->get(obj, &err); | |
2350 | if (err) { | |
2351 | error_propagate(errp, err); | |
2352 | return; | |
2353 | } | |
a8e3fbed | 2354 | |
f7abe0ec | 2355 | visit_type_enum(v, name, &value, prop->lookup, errp); |
a8e3fbed DB |
2356 | } |
2357 | ||
d7bce999 EB |
2358 | static void property_set_enum(Object *obj, Visitor *v, const char *name, |
2359 | void *opaque, Error **errp) | |
a8e3fbed DB |
2360 | { |
2361 | EnumProperty *prop = opaque; | |
2362 | int value; | |
2363 | ||
668f62ec | 2364 | if (!visit_type_enum(v, name, &value, prop->lookup, errp)) { |
4715d42e MA |
2365 | return; |
2366 | } | |
a8e3fbed DB |
2367 | prop->set(obj, value, errp); |
2368 | } | |
2369 | ||
70251887 MA |
2370 | ObjectProperty * |
2371 | object_property_add_enum(Object *obj, const char *name, | |
2372 | const char *typename, | |
2373 | const QEnumLookup *lookup, | |
2374 | int (*get)(Object *, Error **), | |
d2623129 | 2375 | void (*set)(Object *, int, Error **)) |
a8e3fbed | 2376 | { |
a8e3fbed DB |
2377 | EnumProperty *prop = g_malloc(sizeof(*prop)); |
2378 | ||
f7abe0ec | 2379 | prop->lookup = lookup; |
a8e3fbed DB |
2380 | prop->get = get; |
2381 | prop->set = set; | |
2382 | ||
d2623129 MA |
2383 | return object_property_add(obj, name, typename, |
2384 | get ? property_get_enum : NULL, | |
2385 | set ? property_set_enum : NULL, | |
169cbac1 | 2386 | property_release_data, |
d2623129 | 2387 | prop); |
a8e3fbed DB |
2388 | } |
2389 | ||
a3a16211 MAL |
2390 | ObjectProperty * |
2391 | object_class_property_add_enum(ObjectClass *klass, const char *name, | |
16bf7f52 | 2392 | const char *typename, |
f7abe0ec | 2393 | const QEnumLookup *lookup, |
16bf7f52 | 2394 | int (*get)(Object *, Error **), |
d2623129 | 2395 | void (*set)(Object *, int, Error **)) |
16bf7f52 | 2396 | { |
16bf7f52 DB |
2397 | EnumProperty *prop = g_malloc(sizeof(*prop)); |
2398 | ||
f7abe0ec | 2399 | prop->lookup = lookup; |
16bf7f52 DB |
2400 | prop->get = get; |
2401 | prop->set = set; | |
2402 | ||
d2623129 MA |
2403 | return object_class_property_add(klass, name, typename, |
2404 | get ? property_get_enum : NULL, | |
2405 | set ? property_set_enum : NULL, | |
2406 | NULL, | |
2407 | prop); | |
16bf7f52 DB |
2408 | } |
2409 | ||
8e099d14 DG |
2410 | typedef struct TMProperty { |
2411 | void (*get)(Object *, struct tm *, Error **); | |
2412 | } TMProperty; | |
2413 | ||
d7bce999 EB |
2414 | static void property_get_tm(Object *obj, Visitor *v, const char *name, |
2415 | void *opaque, Error **errp) | |
8e099d14 DG |
2416 | { |
2417 | TMProperty *prop = opaque; | |
2418 | Error *err = NULL; | |
2419 | struct tm value; | |
2420 | ||
2421 | prop->get(obj, &value, &err); | |
2422 | if (err) { | |
992861fb MA |
2423 | error_propagate(errp, err); |
2424 | return; | |
8e099d14 DG |
2425 | } |
2426 | ||
992861fb MA |
2427 | if (!visit_start_struct(v, name, NULL, 0, errp)) { |
2428 | return; | |
8e099d14 | 2429 | } |
992861fb | 2430 | if (!visit_type_int32(v, "tm_year", &value.tm_year, errp)) { |
8e099d14 DG |
2431 | goto out_end; |
2432 | } | |
992861fb | 2433 | if (!visit_type_int32(v, "tm_mon", &value.tm_mon, errp)) { |
8e099d14 DG |
2434 | goto out_end; |
2435 | } | |
992861fb | 2436 | if (!visit_type_int32(v, "tm_mday", &value.tm_mday, errp)) { |
8e099d14 DG |
2437 | goto out_end; |
2438 | } | |
992861fb | 2439 | if (!visit_type_int32(v, "tm_hour", &value.tm_hour, errp)) { |
8e099d14 DG |
2440 | goto out_end; |
2441 | } | |
992861fb | 2442 | if (!visit_type_int32(v, "tm_min", &value.tm_min, errp)) { |
8e099d14 DG |
2443 | goto out_end; |
2444 | } | |
992861fb | 2445 | if (!visit_type_int32(v, "tm_sec", &value.tm_sec, errp)) { |
8e099d14 DG |
2446 | goto out_end; |
2447 | } | |
992861fb | 2448 | visit_check_struct(v, errp); |
8e099d14 | 2449 | out_end: |
1158bb2a | 2450 | visit_end_struct(v, NULL); |
8e099d14 DG |
2451 | } |
2452 | ||
70251887 MA |
2453 | ObjectProperty * |
2454 | object_property_add_tm(Object *obj, const char *name, | |
d2623129 | 2455 | void (*get)(Object *, struct tm *, Error **)) |
8e099d14 | 2456 | { |
8e099d14 DG |
2457 | TMProperty *prop = g_malloc0(sizeof(*prop)); |
2458 | ||
2459 | prop->get = get; | |
2460 | ||
d2623129 MA |
2461 | return object_property_add(obj, name, "struct tm", |
2462 | get ? property_get_tm : NULL, NULL, | |
169cbac1 | 2463 | property_release_data, |
d2623129 | 2464 | prop); |
8e099d14 DG |
2465 | } |
2466 | ||
a3a16211 MAL |
2467 | ObjectProperty * |
2468 | object_class_property_add_tm(ObjectClass *klass, const char *name, | |
d2623129 | 2469 | void (*get)(Object *, struct tm *, Error **)) |
16bf7f52 | 2470 | { |
16bf7f52 DB |
2471 | TMProperty *prop = g_malloc0(sizeof(*prop)); |
2472 | ||
2473 | prop->get = get; | |
2474 | ||
d2623129 MA |
2475 | return object_class_property_add(klass, name, "struct tm", |
2476 | get ? property_get_tm : NULL, | |
2477 | NULL, NULL, prop); | |
16bf7f52 DB |
2478 | } |
2479 | ||
90c69fb9 | 2480 | static char *object_get_type(Object *obj, Error **errp) |
2f262e06 PB |
2481 | { |
2482 | return g_strdup(object_get_typename(obj)); | |
2483 | } | |
2484 | ||
d7bce999 EB |
2485 | static void property_get_uint8_ptr(Object *obj, Visitor *v, const char *name, |
2486 | void *opaque, Error **errp) | |
e732ea63 MT |
2487 | { |
2488 | uint8_t value = *(uint8_t *)opaque; | |
51e72bc1 | 2489 | visit_type_uint8(v, name, &value, errp); |
e732ea63 MT |
2490 | } |
2491 | ||
836e1b38 FF |
2492 | static void property_set_uint8_ptr(Object *obj, Visitor *v, const char *name, |
2493 | void *opaque, Error **errp) | |
2494 | { | |
2495 | uint8_t *field = opaque; | |
2496 | uint8_t value; | |
836e1b38 | 2497 | |
668f62ec | 2498 | if (!visit_type_uint8(v, name, &value, errp)) { |
836e1b38 FF |
2499 | return; |
2500 | } | |
2501 | ||
2502 | *field = value; | |
2503 | } | |
2504 | ||
d7bce999 EB |
2505 | static void property_get_uint16_ptr(Object *obj, Visitor *v, const char *name, |
2506 | void *opaque, Error **errp) | |
e732ea63 MT |
2507 | { |
2508 | uint16_t value = *(uint16_t *)opaque; | |
51e72bc1 | 2509 | visit_type_uint16(v, name, &value, errp); |
e732ea63 MT |
2510 | } |
2511 | ||
836e1b38 FF |
2512 | static void property_set_uint16_ptr(Object *obj, Visitor *v, const char *name, |
2513 | void *opaque, Error **errp) | |
2514 | { | |
2515 | uint16_t *field = opaque; | |
2516 | uint16_t value; | |
836e1b38 | 2517 | |
668f62ec | 2518 | if (!visit_type_uint16(v, name, &value, errp)) { |
836e1b38 FF |
2519 | return; |
2520 | } | |
2521 | ||
2522 | *field = value; | |
2523 | } | |
2524 | ||
d7bce999 EB |
2525 | static void property_get_uint32_ptr(Object *obj, Visitor *v, const char *name, |
2526 | void *opaque, Error **errp) | |
e732ea63 MT |
2527 | { |
2528 | uint32_t value = *(uint32_t *)opaque; | |
51e72bc1 | 2529 | visit_type_uint32(v, name, &value, errp); |
e732ea63 MT |
2530 | } |
2531 | ||
836e1b38 FF |
2532 | static void property_set_uint32_ptr(Object *obj, Visitor *v, const char *name, |
2533 | void *opaque, Error **errp) | |
2534 | { | |
2535 | uint32_t *field = opaque; | |
2536 | uint32_t value; | |
836e1b38 | 2537 | |
668f62ec | 2538 | if (!visit_type_uint32(v, name, &value, errp)) { |
836e1b38 FF |
2539 | return; |
2540 | } | |
2541 | ||
2542 | *field = value; | |
2543 | } | |
2544 | ||
d7bce999 EB |
2545 | static void property_get_uint64_ptr(Object *obj, Visitor *v, const char *name, |
2546 | void *opaque, Error **errp) | |
e732ea63 MT |
2547 | { |
2548 | uint64_t value = *(uint64_t *)opaque; | |
51e72bc1 | 2549 | visit_type_uint64(v, name, &value, errp); |
e732ea63 MT |
2550 | } |
2551 | ||
836e1b38 FF |
2552 | static void property_set_uint64_ptr(Object *obj, Visitor *v, const char *name, |
2553 | void *opaque, Error **errp) | |
2554 | { | |
2555 | uint64_t *field = opaque; | |
2556 | uint64_t value; | |
836e1b38 | 2557 | |
668f62ec | 2558 | if (!visit_type_uint64(v, name, &value, errp)) { |
836e1b38 FF |
2559 | return; |
2560 | } | |
2561 | ||
2562 | *field = value; | |
2563 | } | |
2564 | ||
70251887 MA |
2565 | ObjectProperty * |
2566 | object_property_add_uint8_ptr(Object *obj, const char *name, | |
2567 | const uint8_t *v, | |
d2623129 | 2568 | ObjectPropertyFlags flags) |
e732ea63 | 2569 | { |
836e1b38 FF |
2570 | ObjectPropertyAccessor *getter = NULL; |
2571 | ObjectPropertyAccessor *setter = NULL; | |
2572 | ||
2573 | if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) { | |
2574 | getter = property_get_uint8_ptr; | |
2575 | } | |
2576 | ||
2577 | if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) { | |
2578 | setter = property_set_uint8_ptr; | |
2579 | } | |
2580 | ||
70251887 | 2581 | return object_property_add(obj, name, "uint8", |
d2623129 | 2582 | getter, setter, NULL, (void *)v); |
e732ea63 MT |
2583 | } |
2584 | ||
a3a16211 MAL |
2585 | ObjectProperty * |
2586 | object_class_property_add_uint8_ptr(ObjectClass *klass, const char *name, | |
836e1b38 | 2587 | const uint8_t *v, |
d2623129 | 2588 | ObjectPropertyFlags flags) |
16bf7f52 | 2589 | { |
836e1b38 FF |
2590 | ObjectPropertyAccessor *getter = NULL; |
2591 | ObjectPropertyAccessor *setter = NULL; | |
2592 | ||
2593 | if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) { | |
2594 | getter = property_get_uint8_ptr; | |
2595 | } | |
2596 | ||
2597 | if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) { | |
2598 | setter = property_set_uint8_ptr; | |
2599 | } | |
2600 | ||
a3a16211 | 2601 | return object_class_property_add(klass, name, "uint8", |
d2623129 | 2602 | getter, setter, NULL, (void *)v); |
16bf7f52 DB |
2603 | } |
2604 | ||
70251887 MA |
2605 | ObjectProperty * |
2606 | object_property_add_uint16_ptr(Object *obj, const char *name, | |
2607 | const uint16_t *v, | |
d2623129 | 2608 | ObjectPropertyFlags flags) |
e732ea63 | 2609 | { |
836e1b38 FF |
2610 | ObjectPropertyAccessor *getter = NULL; |
2611 | ObjectPropertyAccessor *setter = NULL; | |
2612 | ||
2613 | if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) { | |
2614 | getter = property_get_uint16_ptr; | |
2615 | } | |
2616 | ||
2617 | if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) { | |
2618 | setter = property_set_uint16_ptr; | |
2619 | } | |
2620 | ||
70251887 | 2621 | return object_property_add(obj, name, "uint16", |
d2623129 | 2622 | getter, setter, NULL, (void *)v); |
e732ea63 MT |
2623 | } |
2624 | ||
a3a16211 MAL |
2625 | ObjectProperty * |
2626 | object_class_property_add_uint16_ptr(ObjectClass *klass, const char *name, | |
836e1b38 | 2627 | const uint16_t *v, |
d2623129 | 2628 | ObjectPropertyFlags flags) |
16bf7f52 | 2629 | { |
836e1b38 FF |
2630 | ObjectPropertyAccessor *getter = NULL; |
2631 | ObjectPropertyAccessor *setter = NULL; | |
2632 | ||
2633 | if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) { | |
2634 | getter = property_get_uint16_ptr; | |
2635 | } | |
2636 | ||
2637 | if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) { | |
2638 | setter = property_set_uint16_ptr; | |
2639 | } | |
2640 | ||
a3a16211 | 2641 | return object_class_property_add(klass, name, "uint16", |
d2623129 | 2642 | getter, setter, NULL, (void *)v); |
16bf7f52 DB |
2643 | } |
2644 | ||
70251887 MA |
2645 | ObjectProperty * |
2646 | object_property_add_uint32_ptr(Object *obj, const char *name, | |
2647 | const uint32_t *v, | |
d2623129 | 2648 | ObjectPropertyFlags flags) |
e732ea63 | 2649 | { |
836e1b38 FF |
2650 | ObjectPropertyAccessor *getter = NULL; |
2651 | ObjectPropertyAccessor *setter = NULL; | |
2652 | ||
2653 | if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) { | |
2654 | getter = property_get_uint32_ptr; | |
2655 | } | |
2656 | ||
2657 | if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) { | |
2658 | setter = property_set_uint32_ptr; | |
2659 | } | |
2660 | ||
70251887 | 2661 | return object_property_add(obj, name, "uint32", |
d2623129 | 2662 | getter, setter, NULL, (void *)v); |
e732ea63 MT |
2663 | } |
2664 | ||
a3a16211 MAL |
2665 | ObjectProperty * |
2666 | object_class_property_add_uint32_ptr(ObjectClass *klass, const char *name, | |
836e1b38 | 2667 | const uint32_t *v, |
d2623129 | 2668 | ObjectPropertyFlags flags) |
16bf7f52 | 2669 | { |
836e1b38 FF |
2670 | ObjectPropertyAccessor *getter = NULL; |
2671 | ObjectPropertyAccessor *setter = NULL; | |
2672 | ||
2673 | if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) { | |
2674 | getter = property_get_uint32_ptr; | |
2675 | } | |
2676 | ||
2677 | if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) { | |
2678 | setter = property_set_uint32_ptr; | |
2679 | } | |
2680 | ||
a3a16211 | 2681 | return object_class_property_add(klass, name, "uint32", |
d2623129 | 2682 | getter, setter, NULL, (void *)v); |
16bf7f52 DB |
2683 | } |
2684 | ||
70251887 MA |
2685 | ObjectProperty * |
2686 | object_property_add_uint64_ptr(Object *obj, const char *name, | |
2687 | const uint64_t *v, | |
d2623129 | 2688 | ObjectPropertyFlags flags) |
e732ea63 | 2689 | { |
836e1b38 FF |
2690 | ObjectPropertyAccessor *getter = NULL; |
2691 | ObjectPropertyAccessor *setter = NULL; | |
2692 | ||
2693 | if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) { | |
2694 | getter = property_get_uint64_ptr; | |
2695 | } | |
2696 | ||
2697 | if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) { | |
2698 | setter = property_set_uint64_ptr; | |
2699 | } | |
2700 | ||
70251887 | 2701 | return object_property_add(obj, name, "uint64", |
d2623129 | 2702 | getter, setter, NULL, (void *)v); |
e732ea63 MT |
2703 | } |
2704 | ||
a3a16211 MAL |
2705 | ObjectProperty * |
2706 | object_class_property_add_uint64_ptr(ObjectClass *klass, const char *name, | |
836e1b38 | 2707 | const uint64_t *v, |
d2623129 | 2708 | ObjectPropertyFlags flags) |
16bf7f52 | 2709 | { |
836e1b38 FF |
2710 | ObjectPropertyAccessor *getter = NULL; |
2711 | ObjectPropertyAccessor *setter = NULL; | |
2712 | ||
2713 | if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) { | |
2714 | getter = property_get_uint64_ptr; | |
2715 | } | |
2716 | ||
2717 | if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) { | |
2718 | setter = property_set_uint64_ptr; | |
2719 | } | |
2720 | ||
a3a16211 | 2721 | return object_class_property_add(klass, name, "uint64", |
d2623129 | 2722 | getter, setter, NULL, (void *)v); |
16bf7f52 DB |
2723 | } |
2724 | ||
ef7c7ff6 SH |
2725 | typedef struct { |
2726 | Object *target_obj; | |
1590d266 | 2727 | char *target_name; |
ef7c7ff6 SH |
2728 | } AliasProperty; |
2729 | ||
d7bce999 EB |
2730 | static void property_get_alias(Object *obj, Visitor *v, const char *name, |
2731 | void *opaque, Error **errp) | |
ef7c7ff6 SH |
2732 | { |
2733 | AliasProperty *prop = opaque; | |
cbc94d97 | 2734 | Visitor *alias_v = visitor_forward_field(v, prop->target_name, name); |
ef7c7ff6 | 2735 | |
cbc94d97 PB |
2736 | object_property_get(prop->target_obj, prop->target_name, alias_v, errp); |
2737 | visit_free(alias_v); | |
ef7c7ff6 SH |
2738 | } |
2739 | ||
d7bce999 EB |
2740 | static void property_set_alias(Object *obj, Visitor *v, const char *name, |
2741 | void *opaque, Error **errp) | |
ef7c7ff6 SH |
2742 | { |
2743 | AliasProperty *prop = opaque; | |
cbc94d97 | 2744 | Visitor *alias_v = visitor_forward_field(v, prop->target_name, name); |
ef7c7ff6 | 2745 | |
cbc94d97 PB |
2746 | object_property_set(prop->target_obj, prop->target_name, alias_v, errp); |
2747 | visit_free(alias_v); | |
ef7c7ff6 SH |
2748 | } |
2749 | ||
64607d08 | 2750 | static Object *property_resolve_alias(Object *obj, void *opaque, |
ddfb0baa | 2751 | const char *part) |
64607d08 PB |
2752 | { |
2753 | AliasProperty *prop = opaque; | |
2754 | ||
2755 | return object_resolve_path_component(prop->target_obj, prop->target_name); | |
2756 | } | |
2757 | ||
ef7c7ff6 SH |
2758 | static void property_release_alias(Object *obj, const char *name, void *opaque) |
2759 | { | |
2760 | AliasProperty *prop = opaque; | |
2761 | ||
1590d266 | 2762 | g_free(prop->target_name); |
ef7c7ff6 SH |
2763 | g_free(prop); |
2764 | } | |
2765 | ||
70251887 MA |
2766 | ObjectProperty * |
2767 | object_property_add_alias(Object *obj, const char *name, | |
d2623129 | 2768 | Object *target_obj, const char *target_name) |
ef7c7ff6 SH |
2769 | { |
2770 | AliasProperty *prop; | |
64607d08 | 2771 | ObjectProperty *op; |
ef7c7ff6 | 2772 | ObjectProperty *target_prop; |
70251887 | 2773 | g_autofree char *prop_type = NULL; |
ef7c7ff6 | 2774 | |
efba1595 DB |
2775 | target_prop = object_property_find_err(target_obj, target_name, |
2776 | &error_abort); | |
ef7c7ff6 | 2777 | |
d190698e PB |
2778 | if (object_property_is_child(target_prop)) { |
2779 | prop_type = g_strdup_printf("link%s", | |
2780 | target_prop->type + strlen("child")); | |
2781 | } else { | |
2782 | prop_type = g_strdup(target_prop->type); | |
2783 | } | |
2784 | ||
ef7c7ff6 SH |
2785 | prop = g_malloc(sizeof(*prop)); |
2786 | prop->target_obj = target_obj; | |
1590d266 | 2787 | prop->target_name = g_strdup(target_name); |
ef7c7ff6 | 2788 | |
d190698e | 2789 | op = object_property_add(obj, name, prop_type, |
64607d08 PB |
2790 | property_get_alias, |
2791 | property_set_alias, | |
2792 | property_release_alias, | |
d2623129 | 2793 | prop); |
64607d08 | 2794 | op->resolve = property_resolve_alias; |
0e76ed0a MAL |
2795 | if (target_prop->defval) { |
2796 | op->defval = qobject_ref(target_prop->defval); | |
2797 | } | |
d190698e | 2798 | |
a18bb417 | 2799 | object_property_set_description(obj, op->name, |
7eecec7d | 2800 | target_prop->description); |
70251887 | 2801 | return op; |
ef7c7ff6 SH |
2802 | } |
2803 | ||
80742642 | 2804 | void object_property_set_description(Object *obj, const char *name, |
7eecec7d | 2805 | const char *description) |
80742642 GA |
2806 | { |
2807 | ObjectProperty *op; | |
2808 | ||
efba1595 | 2809 | op = object_property_find_err(obj, name, &error_abort); |
80742642 GA |
2810 | g_free(op->description); |
2811 | op->description = g_strdup(description); | |
2812 | } | |
2813 | ||
16bf7f52 DB |
2814 | void object_class_property_set_description(ObjectClass *klass, |
2815 | const char *name, | |
7eecec7d | 2816 | const char *description) |
16bf7f52 DB |
2817 | { |
2818 | ObjectProperty *op; | |
2819 | ||
2820 | op = g_hash_table_lookup(klass->properties, name); | |
16bf7f52 DB |
2821 | g_free(op->description); |
2822 | op->description = g_strdup(description); | |
2823 | } | |
2824 | ||
7439a036 | 2825 | static void object_class_init(ObjectClass *klass, void *data) |
2f262e06 | 2826 | { |
90c69fb9 | 2827 | object_class_property_add_str(klass, "type", object_get_type, |
d2623129 | 2828 | NULL); |
2f262e06 PB |
2829 | } |
2830 | ||
745549c8 PB |
2831 | static void register_types(void) |
2832 | { | |
5e78c98b | 2833 | static const TypeInfo interface_info = { |
745549c8 | 2834 | .name = TYPE_INTERFACE, |
33e95c63 | 2835 | .class_size = sizeof(InterfaceClass), |
745549c8 PB |
2836 | .abstract = true, |
2837 | }; | |
2838 | ||
5e78c98b | 2839 | static const TypeInfo object_info = { |
745549c8 PB |
2840 | .name = TYPE_OBJECT, |
2841 | .instance_size = sizeof(Object), | |
7439a036 | 2842 | .class_init = object_class_init, |
745549c8 PB |
2843 | .abstract = true, |
2844 | }; | |
2845 | ||
049cb3cf PB |
2846 | type_interface = type_register_internal(&interface_info); |
2847 | type_register_internal(&object_info); | |
745549c8 PB |
2848 | } |
2849 | ||
2850 | type_init(register_types) |