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