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Commit | Line | Data |
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2f28d2ff AL |
1 | /* |
2 | * QEMU Object Model | |
3 | * | |
4 | * Copyright IBM, Corp. 2011 | |
5 | * | |
6 | * Authors: | |
7 | * Anthony Liguori <aliguori@us.ibm.com> | |
8 | * | |
9 | * This work is licensed under the terms of the GNU GPL, version 2 or later. | |
10 | * See the COPYING file in the top-level directory. | |
11 | */ | |
12 | ||
9bbc853b | 13 | #include "qemu/osdep.h" |
da34e65c | 14 | #include "qapi/error.h" |
14cccb61 | 15 | #include "qom/object.h" |
a31bdae5 | 16 | #include "qom/object_interfaces.h" |
f348b6d1 | 17 | #include "qemu/cutils.h" |
7b1b5d19 | 18 | #include "qapi/visitor.h" |
b2cd7dee PB |
19 | #include "qapi/string-input-visitor.h" |
20 | #include "qapi/string-output-visitor.h" | |
eb815e24 | 21 | #include "qapi/qapi-builtin-visit.h" |
7b1b5d19 | 22 | #include "qapi/qmp/qerror.h" |
fa131d94 | 23 | #include "trace.h" |
2f28d2ff | 24 | |
7b7b7d18 PB |
25 | /* TODO: replace QObject with a simpler visitor to avoid a dependency |
26 | * of the QOM core on QObject? */ | |
14cccb61 | 27 | #include "qom/qom-qobject.h" |
7b1b5d19 | 28 | #include "qapi/qmp/qbool.h" |
15280c36 | 29 | #include "qapi/qmp/qnum.h" |
7b1b5d19 | 30 | #include "qapi/qmp/qstring.h" |
7b7b7d18 | 31 | |
2f28d2ff AL |
32 | #define MAX_INTERFACES 32 |
33 | ||
34 | typedef struct InterfaceImpl InterfaceImpl; | |
35 | typedef struct TypeImpl TypeImpl; | |
36 | ||
37 | struct InterfaceImpl | |
38 | { | |
33e95c63 | 39 | const char *typename; |
2f28d2ff AL |
40 | }; |
41 | ||
42 | struct TypeImpl | |
43 | { | |
44 | const char *name; | |
45 | ||
46 | size_t class_size; | |
47 | ||
48 | size_t instance_size; | |
49 | ||
50 | void (*class_init)(ObjectClass *klass, void *data); | |
3b50e311 | 51 | void (*class_base_init)(ObjectClass *klass, void *data); |
2f28d2ff AL |
52 | |
53 | void *class_data; | |
54 | ||
55 | void (*instance_init)(Object *obj); | |
8231c2dd | 56 | void (*instance_post_init)(Object *obj); |
2f28d2ff AL |
57 | void (*instance_finalize)(Object *obj); |
58 | ||
59 | bool abstract; | |
60 | ||
61 | const char *parent; | |
62 | TypeImpl *parent_type; | |
63 | ||
64 | ObjectClass *class; | |
65 | ||
66 | int num_interfaces; | |
67 | InterfaceImpl interfaces[MAX_INTERFACES]; | |
68 | }; | |
69 | ||
9970bd88 PB |
70 | static Type type_interface; |
71 | ||
2f28d2ff AL |
72 | static GHashTable *type_table_get(void) |
73 | { | |
74 | static GHashTable *type_table; | |
75 | ||
76 | if (type_table == NULL) { | |
77 | type_table = g_hash_table_new(g_str_hash, g_str_equal); | |
78 | } | |
79 | ||
80 | return type_table; | |
81 | } | |
82 | ||
f54c19ca HP |
83 | static bool enumerating_types; |
84 | ||
2f28d2ff AL |
85 | static void type_table_add(TypeImpl *ti) |
86 | { | |
f54c19ca | 87 | assert(!enumerating_types); |
2f28d2ff AL |
88 | g_hash_table_insert(type_table_get(), (void *)ti->name, ti); |
89 | } | |
90 | ||
91 | static TypeImpl *type_table_lookup(const char *name) | |
92 | { | |
93 | return g_hash_table_lookup(type_table_get(), name); | |
94 | } | |
95 | ||
b061dc41 | 96 | static TypeImpl *type_new(const TypeInfo *info) |
2f28d2ff AL |
97 | { |
98 | TypeImpl *ti = g_malloc0(sizeof(*ti)); | |
33e95c63 | 99 | int i; |
2f28d2ff AL |
100 | |
101 | g_assert(info->name != NULL); | |
102 | ||
73093354 AL |
103 | if (type_table_lookup(info->name) != NULL) { |
104 | fprintf(stderr, "Registering `%s' which already exists\n", info->name); | |
105 | abort(); | |
106 | } | |
107 | ||
2f28d2ff AL |
108 | ti->name = g_strdup(info->name); |
109 | ti->parent = g_strdup(info->parent); | |
110 | ||
111 | ti->class_size = info->class_size; | |
112 | ti->instance_size = info->instance_size; | |
113 | ||
114 | ti->class_init = info->class_init; | |
3b50e311 | 115 | ti->class_base_init = info->class_base_init; |
2f28d2ff AL |
116 | ti->class_data = info->class_data; |
117 | ||
118 | ti->instance_init = info->instance_init; | |
8231c2dd | 119 | ti->instance_post_init = info->instance_post_init; |
2f28d2ff AL |
120 | ti->instance_finalize = info->instance_finalize; |
121 | ||
122 | ti->abstract = info->abstract; | |
123 | ||
33e95c63 AL |
124 | for (i = 0; info->interfaces && info->interfaces[i].type; i++) { |
125 | ti->interfaces[i].typename = g_strdup(info->interfaces[i].type); | |
2f28d2ff | 126 | } |
33e95c63 | 127 | ti->num_interfaces = i; |
2f28d2ff | 128 | |
b061dc41 PB |
129 | return ti; |
130 | } | |
2f28d2ff | 131 | |
b061dc41 PB |
132 | static TypeImpl *type_register_internal(const TypeInfo *info) |
133 | { | |
134 | TypeImpl *ti; | |
135 | ti = type_new(info); | |
136 | ||
137 | type_table_add(ti); | |
2f28d2ff AL |
138 | return ti; |
139 | } | |
140 | ||
049cb3cf PB |
141 | TypeImpl *type_register(const TypeInfo *info) |
142 | { | |
143 | assert(info->parent); | |
144 | return type_register_internal(info); | |
145 | } | |
146 | ||
2f28d2ff AL |
147 | TypeImpl *type_register_static(const TypeInfo *info) |
148 | { | |
149 | return type_register(info); | |
150 | } | |
151 | ||
aa04c9d2 IM |
152 | void type_register_static_array(const TypeInfo *infos, int nr_infos) |
153 | { | |
154 | int i; | |
155 | ||
156 | for (i = 0; i < nr_infos; i++) { | |
157 | type_register_static(&infos[i]); | |
158 | } | |
159 | } | |
160 | ||
2f28d2ff AL |
161 | static TypeImpl *type_get_by_name(const char *name) |
162 | { | |
163 | if (name == NULL) { | |
164 | return NULL; | |
165 | } | |
166 | ||
167 | return type_table_lookup(name); | |
168 | } | |
169 | ||
170 | static TypeImpl *type_get_parent(TypeImpl *type) | |
171 | { | |
172 | if (!type->parent_type && type->parent) { | |
173 | type->parent_type = type_get_by_name(type->parent); | |
174 | g_assert(type->parent_type != NULL); | |
175 | } | |
176 | ||
177 | return type->parent_type; | |
178 | } | |
179 | ||
180 | static bool type_has_parent(TypeImpl *type) | |
181 | { | |
182 | return (type->parent != NULL); | |
183 | } | |
184 | ||
185 | static size_t type_class_get_size(TypeImpl *ti) | |
186 | { | |
187 | if (ti->class_size) { | |
188 | return ti->class_size; | |
189 | } | |
190 | ||
191 | if (type_has_parent(ti)) { | |
192 | return type_class_get_size(type_get_parent(ti)); | |
193 | } | |
194 | ||
195 | return sizeof(ObjectClass); | |
196 | } | |
197 | ||
aca59af6 IM |
198 | static size_t type_object_get_size(TypeImpl *ti) |
199 | { | |
200 | if (ti->instance_size) { | |
201 | return ti->instance_size; | |
202 | } | |
203 | ||
204 | if (type_has_parent(ti)) { | |
205 | return type_object_get_size(type_get_parent(ti)); | |
206 | } | |
207 | ||
208 | return 0; | |
209 | } | |
210 | ||
3f97b53a BR |
211 | size_t object_type_get_instance_size(const char *typename) |
212 | { | |
213 | TypeImpl *type = type_get_by_name(typename); | |
214 | ||
215 | g_assert(type != NULL); | |
216 | return type_object_get_size(type); | |
217 | } | |
218 | ||
33e95c63 | 219 | static bool type_is_ancestor(TypeImpl *type, TypeImpl *target_type) |
2f28d2ff | 220 | { |
33e95c63 AL |
221 | assert(target_type); |
222 | ||
b30d8054 | 223 | /* Check if target_type is a direct ancestor of type */ |
33e95c63 AL |
224 | while (type) { |
225 | if (type == target_type) { | |
226 | return true; | |
227 | } | |
2f28d2ff | 228 | |
33e95c63 AL |
229 | type = type_get_parent(type); |
230 | } | |
231 | ||
232 | return false; | |
233 | } | |
234 | ||
235 | static void type_initialize(TypeImpl *ti); | |
236 | ||
b061dc41 PB |
237 | static void type_initialize_interface(TypeImpl *ti, TypeImpl *interface_type, |
238 | TypeImpl *parent_type) | |
33e95c63 AL |
239 | { |
240 | InterfaceClass *new_iface; | |
241 | TypeInfo info = { }; | |
242 | TypeImpl *iface_impl; | |
243 | ||
b061dc41 PB |
244 | info.parent = parent_type->name; |
245 | info.name = g_strdup_printf("%s::%s", ti->name, interface_type->name); | |
33e95c63 AL |
246 | info.abstract = true; |
247 | ||
b061dc41 PB |
248 | iface_impl = type_new(&info); |
249 | iface_impl->parent_type = parent_type; | |
33e95c63 AL |
250 | type_initialize(iface_impl); |
251 | g_free((char *)info.name); | |
252 | ||
253 | new_iface = (InterfaceClass *)iface_impl->class; | |
254 | new_iface->concrete_class = ti->class; | |
b061dc41 | 255 | new_iface->interface_type = interface_type; |
33e95c63 AL |
256 | |
257 | ti->class->interfaces = g_slist_append(ti->class->interfaces, | |
258 | iface_impl->class); | |
2f28d2ff AL |
259 | } |
260 | ||
16bf7f52 DB |
261 | static void object_property_free(gpointer data) |
262 | { | |
263 | ObjectProperty *prop = data; | |
264 | ||
265 | g_free(prop->name); | |
266 | g_free(prop->type); | |
267 | g_free(prop->description); | |
268 | g_free(prop); | |
269 | } | |
270 | ||
ac451033 | 271 | static void type_initialize(TypeImpl *ti) |
2f28d2ff | 272 | { |
745549c8 | 273 | TypeImpl *parent; |
2f28d2ff AL |
274 | |
275 | if (ti->class) { | |
276 | return; | |
277 | } | |
278 | ||
279 | ti->class_size = type_class_get_size(ti); | |
aca59af6 | 280 | ti->instance_size = type_object_get_size(ti); |
1c6d75d5 EH |
281 | /* Any type with zero instance_size is implicitly abstract. |
282 | * This means interface types are all abstract. | |
283 | */ | |
284 | if (ti->instance_size == 0) { | |
285 | ti->abstract = true; | |
286 | } | |
422ca143 MAL |
287 | if (type_is_ancestor(ti, type_interface)) { |
288 | assert(ti->instance_size == 0); | |
289 | assert(ti->abstract); | |
290 | assert(!ti->instance_init); | |
291 | assert(!ti->instance_post_init); | |
292 | assert(!ti->instance_finalize); | |
293 | assert(!ti->num_interfaces); | |
294 | } | |
2f28d2ff | 295 | ti->class = g_malloc0(ti->class_size); |
2f28d2ff | 296 | |
745549c8 PB |
297 | parent = type_get_parent(ti); |
298 | if (parent) { | |
ac451033 | 299 | type_initialize(parent); |
33e95c63 AL |
300 | GSList *e; |
301 | int i; | |
2f28d2ff | 302 | |
719a3077 | 303 | g_assert(parent->class_size <= ti->class_size); |
745549c8 | 304 | memcpy(ti->class, parent->class, parent->class_size); |
3e407de4 | 305 | ti->class->interfaces = NULL; |
16bf7f52 DB |
306 | ti->class->properties = g_hash_table_new_full( |
307 | g_str_hash, g_str_equal, g_free, object_property_free); | |
33e95c63 AL |
308 | |
309 | for (e = parent->class->interfaces; e; e = e->next) { | |
b061dc41 PB |
310 | InterfaceClass *iface = e->data; |
311 | ObjectClass *klass = OBJECT_CLASS(iface); | |
312 | ||
313 | type_initialize_interface(ti, iface->interface_type, klass->type); | |
33e95c63 AL |
314 | } |
315 | ||
316 | for (i = 0; i < ti->num_interfaces; i++) { | |
317 | TypeImpl *t = type_get_by_name(ti->interfaces[i].typename); | |
318 | for (e = ti->class->interfaces; e; e = e->next) { | |
319 | TypeImpl *target_type = OBJECT_CLASS(e->data)->type; | |
320 | ||
321 | if (type_is_ancestor(target_type, t)) { | |
322 | break; | |
323 | } | |
324 | } | |
325 | ||
326 | if (e) { | |
327 | continue; | |
328 | } | |
329 | ||
b061dc41 | 330 | type_initialize_interface(ti, t, t); |
33e95c63 | 331 | } |
16bf7f52 DB |
332 | } else { |
333 | ti->class->properties = g_hash_table_new_full( | |
334 | g_str_hash, g_str_equal, g_free, object_property_free); | |
745549c8 | 335 | } |
2f28d2ff | 336 | |
745549c8 | 337 | ti->class->type = ti; |
3b50e311 | 338 | |
745549c8 PB |
339 | while (parent) { |
340 | if (parent->class_base_init) { | |
341 | parent->class_base_init(ti->class, ti->class_data); | |
3b50e311 | 342 | } |
745549c8 | 343 | parent = type_get_parent(parent); |
2f28d2ff AL |
344 | } |
345 | ||
2f28d2ff AL |
346 | if (ti->class_init) { |
347 | ti->class_init(ti->class, ti->class_data); | |
348 | } | |
2f28d2ff AL |
349 | } |
350 | ||
351 | static void object_init_with_type(Object *obj, TypeImpl *ti) | |
352 | { | |
2f28d2ff AL |
353 | if (type_has_parent(ti)) { |
354 | object_init_with_type(obj, type_get_parent(ti)); | |
355 | } | |
356 | ||
2f28d2ff AL |
357 | if (ti->instance_init) { |
358 | ti->instance_init(obj); | |
359 | } | |
360 | } | |
361 | ||
8231c2dd EH |
362 | static void object_post_init_with_type(Object *obj, TypeImpl *ti) |
363 | { | |
364 | if (ti->instance_post_init) { | |
365 | ti->instance_post_init(obj); | |
366 | } | |
367 | ||
368 | if (type_has_parent(ti)) { | |
369 | object_post_init_with_type(obj, type_get_parent(ti)); | |
370 | } | |
371 | } | |
372 | ||
ea9ce893 MAL |
373 | void object_apply_global_props(Object *obj, const GPtrArray *props, Error **errp) |
374 | { | |
375 | Error *err = NULL; | |
376 | int i; | |
377 | ||
378 | if (!props) { | |
379 | return; | |
380 | } | |
381 | ||
382 | for (i = 0; i < props->len; i++) { | |
383 | GlobalProperty *p = g_ptr_array_index(props, i); | |
384 | ||
385 | if (object_dynamic_cast(obj, p->driver) == NULL) { | |
386 | continue; | |
387 | } | |
388 | p->used = true; | |
389 | object_property_parse(obj, p->value, p->property, &err); | |
390 | if (err != NULL) { | |
391 | error_prepend(&err, "can't apply global %s.%s=%s: ", | |
392 | p->driver, p->property, p->value); | |
50545b2c MAL |
393 | /* |
394 | * If errp != NULL, propagate error and return. | |
395 | * If errp == NULL, report a warning, but keep going | |
396 | * with the remaining globals. | |
397 | */ | |
398 | if (errp) { | |
399 | error_propagate(errp, err); | |
400 | return; | |
401 | } else { | |
402 | warn_report_err(err); | |
403 | } | |
ea9ce893 MAL |
404 | } |
405 | } | |
406 | } | |
407 | ||
63f7b10b | 408 | static void object_initialize_with_type(void *data, size_t size, TypeImpl *type) |
2f28d2ff AL |
409 | { |
410 | Object *obj = data; | |
411 | ||
412 | g_assert(type != NULL); | |
ac451033 | 413 | type_initialize(type); |
aca59af6 | 414 | |
719a3077 | 415 | g_assert(type->instance_size >= sizeof(Object)); |
2f28d2ff | 416 | g_assert(type->abstract == false); |
719a3077 | 417 | g_assert(size >= type->instance_size); |
2f28d2ff AL |
418 | |
419 | memset(obj, 0, type->instance_size); | |
420 | obj->class = type->class; | |
764b6312 | 421 | object_ref(obj); |
b604a854 PF |
422 | obj->properties = g_hash_table_new_full(g_str_hash, g_str_equal, |
423 | NULL, object_property_free); | |
2f28d2ff | 424 | object_init_with_type(obj, type); |
8231c2dd | 425 | object_post_init_with_type(obj, type); |
2f28d2ff AL |
426 | } |
427 | ||
213f0c4f | 428 | void object_initialize(void *data, size_t size, const char *typename) |
2f28d2ff AL |
429 | { |
430 | TypeImpl *type = type_get_by_name(typename); | |
431 | ||
5b9237f6 | 432 | object_initialize_with_type(data, size, type); |
2f28d2ff AL |
433 | } |
434 | ||
0210b39d TH |
435 | void object_initialize_child(Object *parentobj, const char *propname, |
436 | void *childobj, size_t size, const char *type, | |
437 | Error **errp, ...) | |
438 | { | |
439 | va_list vargs; | |
440 | ||
441 | va_start(vargs, errp); | |
442 | object_initialize_childv(parentobj, propname, childobj, size, type, errp, | |
443 | vargs); | |
444 | va_end(vargs); | |
445 | } | |
446 | ||
447 | void object_initialize_childv(Object *parentobj, const char *propname, | |
448 | void *childobj, size_t size, const char *type, | |
449 | Error **errp, va_list vargs) | |
450 | { | |
451 | Error *local_err = NULL; | |
452 | Object *obj; | |
3650b2de | 453 | UserCreatable *uc; |
0210b39d TH |
454 | |
455 | object_initialize(childobj, size, type); | |
456 | obj = OBJECT(childobj); | |
457 | ||
458 | object_set_propv(obj, &local_err, vargs); | |
459 | if (local_err) { | |
460 | goto out; | |
461 | } | |
462 | ||
463 | object_property_add_child(parentobj, propname, obj, &local_err); | |
464 | if (local_err) { | |
465 | goto out; | |
466 | } | |
467 | ||
3650b2de MAL |
468 | uc = (UserCreatable *)object_dynamic_cast(obj, TYPE_USER_CREATABLE); |
469 | if (uc) { | |
470 | user_creatable_complete(uc, &local_err); | |
0210b39d TH |
471 | if (local_err) { |
472 | object_unparent(obj); | |
473 | goto out; | |
474 | } | |
475 | } | |
476 | ||
477 | /* | |
478 | * Since object_property_add_child added a reference to the child object, | |
479 | * we can drop the reference added by object_initialize(), so the child | |
480 | * property will own the only reference to the object. | |
481 | */ | |
482 | object_unref(obj); | |
483 | ||
484 | out: | |
485 | if (local_err) { | |
486 | error_propagate(errp, local_err); | |
487 | object_unref(obj); | |
488 | } | |
489 | } | |
490 | ||
5d9d3f47 AF |
491 | static inline bool object_property_is_child(ObjectProperty *prop) |
492 | { | |
493 | return strstart(prop->type, "child<", NULL); | |
494 | } | |
495 | ||
57c9fafe AL |
496 | static void object_property_del_all(Object *obj) |
497 | { | |
b604a854 PF |
498 | ObjectProperty *prop; |
499 | GHashTableIter iter; | |
500 | gpointer key, value; | |
501 | bool released; | |
502 | ||
503 | do { | |
504 | released = false; | |
505 | g_hash_table_iter_init(&iter, obj->properties); | |
506 | while (g_hash_table_iter_next(&iter, &key, &value)) { | |
507 | prop = value; | |
508 | if (prop->release) { | |
509 | prop->release(obj, prop->name, prop->opaque); | |
510 | prop->release = NULL; | |
511 | released = true; | |
512 | break; | |
513 | } | |
514 | g_hash_table_iter_remove(&iter); | |
57c9fafe | 515 | } |
b604a854 | 516 | } while (released); |
57c9fafe | 517 | |
b604a854 | 518 | g_hash_table_unref(obj->properties); |
57c9fafe AL |
519 | } |
520 | ||
521 | static void object_property_del_child(Object *obj, Object *child, Error **errp) | |
522 | { | |
523 | ObjectProperty *prop; | |
b604a854 PF |
524 | GHashTableIter iter; |
525 | gpointer key, value; | |
57c9fafe | 526 | |
b604a854 PF |
527 | g_hash_table_iter_init(&iter, obj->properties); |
528 | while (g_hash_table_iter_next(&iter, &key, &value)) { | |
529 | prop = value; | |
530 | if (object_property_is_child(prop) && prop->opaque == child) { | |
531 | if (prop->release) { | |
532 | prop->release(obj, prop->name, prop->opaque); | |
533 | prop->release = NULL; | |
534 | } | |
535 | break; | |
536 | } | |
537 | } | |
538 | g_hash_table_iter_init(&iter, obj->properties); | |
539 | while (g_hash_table_iter_next(&iter, &key, &value)) { | |
540 | prop = value; | |
5d9d3f47 | 541 | if (object_property_is_child(prop) && prop->opaque == child) { |
b604a854 | 542 | g_hash_table_iter_remove(&iter); |
6c1fdcf9 | 543 | break; |
57c9fafe AL |
544 | } |
545 | } | |
546 | } | |
547 | ||
548 | void object_unparent(Object *obj) | |
549 | { | |
e998fa8d MT |
550 | if (obj->parent) { |
551 | object_property_del_child(obj->parent, obj, NULL); | |
552 | } | |
57c9fafe AL |
553 | } |
554 | ||
2f28d2ff AL |
555 | static void object_deinit(Object *obj, TypeImpl *type) |
556 | { | |
557 | if (type->instance_finalize) { | |
558 | type->instance_finalize(obj); | |
559 | } | |
560 | ||
2f28d2ff AL |
561 | if (type_has_parent(type)) { |
562 | object_deinit(obj, type_get_parent(type)); | |
563 | } | |
564 | } | |
565 | ||
339c2708 | 566 | static void object_finalize(void *data) |
2f28d2ff AL |
567 | { |
568 | Object *obj = data; | |
569 | TypeImpl *ti = obj->class->type; | |
570 | ||
57c9fafe | 571 | object_property_del_all(obj); |
76a6e1cc | 572 | object_deinit(obj, ti); |
db85b575 | 573 | |
719a3077 | 574 | g_assert(obj->ref == 0); |
fde9bf44 PB |
575 | if (obj->free) { |
576 | obj->free(obj); | |
577 | } | |
2f28d2ff AL |
578 | } |
579 | ||
63f7b10b | 580 | static Object *object_new_with_type(Type type) |
2f28d2ff AL |
581 | { |
582 | Object *obj; | |
583 | ||
584 | g_assert(type != NULL); | |
ac451033 | 585 | type_initialize(type); |
2f28d2ff AL |
586 | |
587 | obj = g_malloc(type->instance_size); | |
5b9237f6 | 588 | object_initialize_with_type(obj, type->instance_size, type); |
fde9bf44 | 589 | obj->free = g_free; |
2f28d2ff AL |
590 | |
591 | return obj; | |
592 | } | |
593 | ||
594 | Object *object_new(const char *typename) | |
595 | { | |
596 | TypeImpl *ti = type_get_by_name(typename); | |
597 | ||
598 | return object_new_with_type(ti); | |
599 | } | |
600 | ||
a31bdae5 DB |
601 | |
602 | Object *object_new_with_props(const char *typename, | |
603 | Object *parent, | |
604 | const char *id, | |
605 | Error **errp, | |
606 | ...) | |
607 | { | |
608 | va_list vargs; | |
609 | Object *obj; | |
610 | ||
611 | va_start(vargs, errp); | |
612 | obj = object_new_with_propv(typename, parent, id, errp, vargs); | |
613 | va_end(vargs); | |
614 | ||
615 | return obj; | |
616 | } | |
617 | ||
618 | ||
619 | Object *object_new_with_propv(const char *typename, | |
620 | Object *parent, | |
621 | const char *id, | |
622 | Error **errp, | |
623 | va_list vargs) | |
624 | { | |
625 | Object *obj; | |
626 | ObjectClass *klass; | |
627 | Error *local_err = NULL; | |
3650b2de | 628 | UserCreatable *uc; |
a31bdae5 DB |
629 | |
630 | klass = object_class_by_name(typename); | |
631 | if (!klass) { | |
632 | error_setg(errp, "invalid object type: %s", typename); | |
633 | return NULL; | |
634 | } | |
635 | ||
636 | if (object_class_is_abstract(klass)) { | |
637 | error_setg(errp, "object type '%s' is abstract", typename); | |
638 | return NULL; | |
639 | } | |
640 | obj = object_new(typename); | |
641 | ||
642 | if (object_set_propv(obj, &local_err, vargs) < 0) { | |
643 | goto error; | |
644 | } | |
645 | ||
646 | object_property_add_child(parent, id, obj, &local_err); | |
647 | if (local_err) { | |
648 | goto error; | |
649 | } | |
650 | ||
3650b2de MAL |
651 | uc = (UserCreatable *)object_dynamic_cast(obj, TYPE_USER_CREATABLE); |
652 | if (uc) { | |
653 | user_creatable_complete(uc, &local_err); | |
a31bdae5 DB |
654 | if (local_err) { |
655 | object_unparent(obj); | |
656 | goto error; | |
657 | } | |
658 | } | |
659 | ||
660 | object_unref(OBJECT(obj)); | |
661 | return obj; | |
662 | ||
663 | error: | |
621ff94d | 664 | error_propagate(errp, local_err); |
a31bdae5 DB |
665 | object_unref(obj); |
666 | return NULL; | |
667 | } | |
668 | ||
669 | ||
670 | int object_set_props(Object *obj, | |
671 | Error **errp, | |
672 | ...) | |
673 | { | |
674 | va_list vargs; | |
675 | int ret; | |
676 | ||
677 | va_start(vargs, errp); | |
678 | ret = object_set_propv(obj, errp, vargs); | |
679 | va_end(vargs); | |
680 | ||
681 | return ret; | |
682 | } | |
683 | ||
684 | ||
685 | int object_set_propv(Object *obj, | |
686 | Error **errp, | |
687 | va_list vargs) | |
688 | { | |
689 | const char *propname; | |
690 | Error *local_err = NULL; | |
691 | ||
692 | propname = va_arg(vargs, char *); | |
693 | while (propname != NULL) { | |
694 | const char *value = va_arg(vargs, char *); | |
695 | ||
696 | g_assert(value != NULL); | |
697 | object_property_parse(obj, value, propname, &local_err); | |
698 | if (local_err) { | |
699 | error_propagate(errp, local_err); | |
700 | return -1; | |
701 | } | |
702 | propname = va_arg(vargs, char *); | |
703 | } | |
704 | ||
705 | return 0; | |
706 | } | |
707 | ||
708 | ||
2f28d2ff AL |
709 | Object *object_dynamic_cast(Object *obj, const char *typename) |
710 | { | |
b7f43fe4 | 711 | if (obj && object_class_dynamic_cast(object_get_class(obj), typename)) { |
acc4af3f PB |
712 | return obj; |
713 | } | |
714 | ||
2f28d2ff AL |
715 | return NULL; |
716 | } | |
717 | ||
be17f18b PB |
718 | Object *object_dynamic_cast_assert(Object *obj, const char *typename, |
719 | const char *file, int line, const char *func) | |
2f28d2ff | 720 | { |
fa131d94 PB |
721 | trace_object_dynamic_cast_assert(obj ? obj->class->type->name : "(null)", |
722 | typename, file, line, func); | |
723 | ||
3556c233 | 724 | #ifdef CONFIG_QOM_CAST_DEBUG |
03587328 AL |
725 | int i; |
726 | Object *inst; | |
727 | ||
95916abc | 728 | for (i = 0; obj && i < OBJECT_CLASS_CAST_CACHE; i++) { |
b6b3ccfd | 729 | if (atomic_read(&obj->class->object_cast_cache[i]) == typename) { |
03587328 AL |
730 | goto out; |
731 | } | |
732 | } | |
733 | ||
734 | inst = object_dynamic_cast(obj, typename); | |
2f28d2ff | 735 | |
b7f43fe4 | 736 | if (!inst && obj) { |
be17f18b PB |
737 | fprintf(stderr, "%s:%d:%s: Object %p is not an instance of type %s\n", |
738 | file, line, func, obj, typename); | |
2f28d2ff AL |
739 | abort(); |
740 | } | |
741 | ||
3556c233 | 742 | assert(obj == inst); |
03587328 | 743 | |
95916abc | 744 | if (obj && obj == inst) { |
03587328 | 745 | for (i = 1; i < OBJECT_CLASS_CAST_CACHE; i++) { |
b6b3ccfd AB |
746 | atomic_set(&obj->class->object_cast_cache[i - 1], |
747 | atomic_read(&obj->class->object_cast_cache[i])); | |
03587328 | 748 | } |
b6b3ccfd | 749 | atomic_set(&obj->class->object_cast_cache[i - 1], typename); |
03587328 AL |
750 | } |
751 | ||
752 | out: | |
3556c233 PB |
753 | #endif |
754 | return obj; | |
2f28d2ff AL |
755 | } |
756 | ||
757 | ObjectClass *object_class_dynamic_cast(ObjectClass *class, | |
758 | const char *typename) | |
759 | { | |
33e95c63 | 760 | ObjectClass *ret = NULL; |
bf0fda34 PB |
761 | TypeImpl *target_type; |
762 | TypeImpl *type; | |
2f28d2ff | 763 | |
bf0fda34 PB |
764 | if (!class) { |
765 | return NULL; | |
766 | } | |
767 | ||
793c96b5 | 768 | /* A simple fast path that can trigger a lot for leaf classes. */ |
bf0fda34 | 769 | type = class->type; |
793c96b5 PB |
770 | if (type->name == typename) { |
771 | return class; | |
772 | } | |
773 | ||
bf0fda34 | 774 | target_type = type_get_by_name(typename); |
9ab880b3 AG |
775 | if (!target_type) { |
776 | /* target class type unknown, so fail the cast */ | |
777 | return NULL; | |
778 | } | |
779 | ||
00e2ceae PC |
780 | if (type->class->interfaces && |
781 | type_is_ancestor(target_type, type_interface)) { | |
33e95c63 AL |
782 | int found = 0; |
783 | GSList *i; | |
2f28d2ff | 784 | |
33e95c63 AL |
785 | for (i = class->interfaces; i; i = i->next) { |
786 | ObjectClass *target_class = i->data; | |
787 | ||
788 | if (type_is_ancestor(target_class->type, target_type)) { | |
789 | ret = target_class; | |
790 | found++; | |
791 | } | |
792 | } | |
793 | ||
794 | /* The match was ambiguous, don't allow a cast */ | |
795 | if (found > 1) { | |
796 | ret = NULL; | |
797 | } | |
798 | } else if (type_is_ancestor(type, target_type)) { | |
799 | ret = class; | |
2f28d2ff AL |
800 | } |
801 | ||
33e95c63 | 802 | return ret; |
2f28d2ff AL |
803 | } |
804 | ||
805 | ObjectClass *object_class_dynamic_cast_assert(ObjectClass *class, | |
be17f18b PB |
806 | const char *typename, |
807 | const char *file, int line, | |
808 | const char *func) | |
2f28d2ff | 809 | { |
fa131d94 PB |
810 | ObjectClass *ret; |
811 | ||
812 | trace_object_class_dynamic_cast_assert(class ? class->type->name : "(null)", | |
813 | typename, file, line, func); | |
2f28d2ff | 814 | |
03587328 AL |
815 | #ifdef CONFIG_QOM_CAST_DEBUG |
816 | int i; | |
817 | ||
9d6a3d58 | 818 | for (i = 0; class && i < OBJECT_CLASS_CAST_CACHE; i++) { |
b6b3ccfd | 819 | if (atomic_read(&class->class_cast_cache[i]) == typename) { |
03587328 AL |
820 | ret = class; |
821 | goto out; | |
822 | } | |
823 | } | |
824 | #else | |
9d6a3d58 | 825 | if (!class || !class->interfaces) { |
3556c233 PB |
826 | return class; |
827 | } | |
828 | #endif | |
829 | ||
fa131d94 | 830 | ret = object_class_dynamic_cast(class, typename); |
bf0fda34 | 831 | if (!ret && class) { |
be17f18b PB |
832 | fprintf(stderr, "%s:%d:%s: Object %p is not an instance of type %s\n", |
833 | file, line, func, class, typename); | |
2f28d2ff AL |
834 | abort(); |
835 | } | |
836 | ||
03587328 | 837 | #ifdef CONFIG_QOM_CAST_DEBUG |
9d6a3d58 | 838 | if (class && ret == class) { |
03587328 | 839 | for (i = 1; i < OBJECT_CLASS_CAST_CACHE; i++) { |
b6b3ccfd AB |
840 | atomic_set(&class->class_cast_cache[i - 1], |
841 | atomic_read(&class->class_cast_cache[i])); | |
03587328 | 842 | } |
b6b3ccfd | 843 | atomic_set(&class->class_cast_cache[i - 1], typename); |
03587328 AL |
844 | } |
845 | out: | |
846 | #endif | |
2f28d2ff AL |
847 | return ret; |
848 | } | |
849 | ||
8f5d58ef | 850 | const char *object_get_typename(const Object *obj) |
2f28d2ff AL |
851 | { |
852 | return obj->class->type->name; | |
853 | } | |
854 | ||
855 | ObjectClass *object_get_class(Object *obj) | |
856 | { | |
857 | return obj->class; | |
858 | } | |
859 | ||
17862378 AF |
860 | bool object_class_is_abstract(ObjectClass *klass) |
861 | { | |
862 | return klass->type->abstract; | |
863 | } | |
864 | ||
2f28d2ff AL |
865 | const char *object_class_get_name(ObjectClass *klass) |
866 | { | |
867 | return klass->type->name; | |
868 | } | |
869 | ||
870 | ObjectClass *object_class_by_name(const char *typename) | |
871 | { | |
872 | TypeImpl *type = type_get_by_name(typename); | |
873 | ||
874 | if (!type) { | |
875 | return NULL; | |
876 | } | |
877 | ||
ac451033 | 878 | type_initialize(type); |
2f28d2ff AL |
879 | |
880 | return type->class; | |
881 | } | |
882 | ||
e7cce67f PB |
883 | ObjectClass *object_class_get_parent(ObjectClass *class) |
884 | { | |
885 | TypeImpl *type = type_get_parent(class->type); | |
886 | ||
887 | if (!type) { | |
888 | return NULL; | |
889 | } | |
890 | ||
891 | type_initialize(type); | |
892 | ||
893 | return type->class; | |
894 | } | |
895 | ||
2f28d2ff AL |
896 | typedef struct OCFData |
897 | { | |
898 | void (*fn)(ObjectClass *klass, void *opaque); | |
93c511a1 AL |
899 | const char *implements_type; |
900 | bool include_abstract; | |
2f28d2ff AL |
901 | void *opaque; |
902 | } OCFData; | |
903 | ||
904 | static void object_class_foreach_tramp(gpointer key, gpointer value, | |
905 | gpointer opaque) | |
906 | { | |
907 | OCFData *data = opaque; | |
908 | TypeImpl *type = value; | |
93c511a1 | 909 | ObjectClass *k; |
2f28d2ff | 910 | |
ac451033 | 911 | type_initialize(type); |
93c511a1 | 912 | k = type->class; |
2f28d2ff | 913 | |
93c511a1 AL |
914 | if (!data->include_abstract && type->abstract) { |
915 | return; | |
916 | } | |
917 | ||
918 | if (data->implements_type && | |
919 | !object_class_dynamic_cast(k, data->implements_type)) { | |
920 | return; | |
921 | } | |
922 | ||
923 | data->fn(k, data->opaque); | |
2f28d2ff AL |
924 | } |
925 | ||
926 | void object_class_foreach(void (*fn)(ObjectClass *klass, void *opaque), | |
93c511a1 | 927 | const char *implements_type, bool include_abstract, |
2f28d2ff AL |
928 | void *opaque) |
929 | { | |
93c511a1 | 930 | OCFData data = { fn, implements_type, include_abstract, opaque }; |
2f28d2ff | 931 | |
f54c19ca | 932 | enumerating_types = true; |
2f28d2ff | 933 | g_hash_table_foreach(type_table_get(), object_class_foreach_tramp, &data); |
f54c19ca | 934 | enumerating_types = false; |
2f28d2ff | 935 | } |
57c9fafe | 936 | |
d714b8de PC |
937 | static int do_object_child_foreach(Object *obj, |
938 | int (*fn)(Object *child, void *opaque), | |
939 | void *opaque, bool recurse) | |
32efc535 | 940 | { |
b604a854 PF |
941 | GHashTableIter iter; |
942 | ObjectProperty *prop; | |
32efc535 PB |
943 | int ret = 0; |
944 | ||
b604a854 PF |
945 | g_hash_table_iter_init(&iter, obj->properties); |
946 | while (g_hash_table_iter_next(&iter, NULL, (gpointer *)&prop)) { | |
32efc535 | 947 | if (object_property_is_child(prop)) { |
d714b8de PC |
948 | Object *child = prop->opaque; |
949 | ||
950 | ret = fn(child, opaque); | |
32efc535 PB |
951 | if (ret != 0) { |
952 | break; | |
953 | } | |
d714b8de PC |
954 | if (recurse) { |
955 | do_object_child_foreach(child, fn, opaque, true); | |
956 | } | |
32efc535 PB |
957 | } |
958 | } | |
959 | return ret; | |
960 | } | |
961 | ||
d714b8de PC |
962 | int object_child_foreach(Object *obj, int (*fn)(Object *child, void *opaque), |
963 | void *opaque) | |
964 | { | |
965 | return do_object_child_foreach(obj, fn, opaque, false); | |
966 | } | |
967 | ||
968 | int object_child_foreach_recursive(Object *obj, | |
969 | int (*fn)(Object *child, void *opaque), | |
970 | void *opaque) | |
971 | { | |
972 | return do_object_child_foreach(obj, fn, opaque, true); | |
973 | } | |
974 | ||
418ba9e5 AF |
975 | static void object_class_get_list_tramp(ObjectClass *klass, void *opaque) |
976 | { | |
977 | GSList **list = opaque; | |
978 | ||
979 | *list = g_slist_prepend(*list, klass); | |
980 | } | |
981 | ||
982 | GSList *object_class_get_list(const char *implements_type, | |
983 | bool include_abstract) | |
984 | { | |
985 | GSList *list = NULL; | |
986 | ||
987 | object_class_foreach(object_class_get_list_tramp, | |
988 | implements_type, include_abstract, &list); | |
989 | return list; | |
990 | } | |
991 | ||
47c66009 PB |
992 | static gint object_class_cmp(gconstpointer a, gconstpointer b) |
993 | { | |
994 | return strcasecmp(object_class_get_name((ObjectClass *)a), | |
995 | object_class_get_name((ObjectClass *)b)); | |
996 | } | |
997 | ||
998 | GSList *object_class_get_list_sorted(const char *implements_type, | |
999 | bool include_abstract) | |
1000 | { | |
1001 | return g_slist_sort(object_class_get_list(implements_type, include_abstract), | |
1002 | object_class_cmp); | |
1003 | } | |
1004 | ||
57c9fafe AL |
1005 | void object_ref(Object *obj) |
1006 | { | |
8ffad850 PC |
1007 | if (!obj) { |
1008 | return; | |
1009 | } | |
8438a135 | 1010 | atomic_inc(&obj->ref); |
57c9fafe AL |
1011 | } |
1012 | ||
1013 | void object_unref(Object *obj) | |
1014 | { | |
8ffad850 PC |
1015 | if (!obj) { |
1016 | return; | |
1017 | } | |
719a3077 | 1018 | g_assert(obj->ref > 0); |
57c9fafe AL |
1019 | |
1020 | /* parent always holds a reference to its children */ | |
f08c03f3 | 1021 | if (atomic_fetch_dec(&obj->ref) == 1) { |
57c9fafe AL |
1022 | object_finalize(obj); |
1023 | } | |
1024 | } | |
1025 | ||
64607d08 PB |
1026 | ObjectProperty * |
1027 | object_property_add(Object *obj, const char *name, const char *type, | |
1028 | ObjectPropertyAccessor *get, | |
1029 | ObjectPropertyAccessor *set, | |
1030 | ObjectPropertyRelease *release, | |
1031 | void *opaque, Error **errp) | |
57c9fafe | 1032 | { |
54852b03 | 1033 | ObjectProperty *prop; |
33965904 PC |
1034 | size_t name_len = strlen(name); |
1035 | ||
1036 | if (name_len >= 3 && !memcmp(name + name_len - 3, "[*]", 4)) { | |
1037 | int i; | |
1038 | ObjectProperty *ret; | |
1039 | char *name_no_array = g_strdup(name); | |
1040 | ||
1041 | name_no_array[name_len - 3] = '\0'; | |
1042 | for (i = 0; ; ++i) { | |
1043 | char *full_name = g_strdup_printf("%s[%d]", name_no_array, i); | |
1044 | ||
1045 | ret = object_property_add(obj, full_name, type, get, set, | |
1046 | release, opaque, NULL); | |
1047 | g_free(full_name); | |
1048 | if (ret) { | |
1049 | break; | |
1050 | } | |
1051 | } | |
1052 | g_free(name_no_array); | |
1053 | return ret; | |
1054 | } | |
54852b03 | 1055 | |
16bf7f52 | 1056 | if (object_property_find(obj, name, NULL) != NULL) { |
b604a854 | 1057 | error_setg(errp, "attempt to add duplicate property '%s'" |
16bf7f52 DB |
1058 | " to object (type '%s')", name, |
1059 | object_get_typename(obj)); | |
b604a854 | 1060 | return NULL; |
54852b03 PM |
1061 | } |
1062 | ||
1063 | prop = g_malloc0(sizeof(*prop)); | |
57c9fafe AL |
1064 | |
1065 | prop->name = g_strdup(name); | |
1066 | prop->type = g_strdup(type); | |
1067 | ||
1068 | prop->get = get; | |
1069 | prop->set = set; | |
1070 | prop->release = release; | |
1071 | prop->opaque = opaque; | |
1072 | ||
b604a854 | 1073 | g_hash_table_insert(obj->properties, prop->name, prop); |
64607d08 | 1074 | return prop; |
57c9fafe AL |
1075 | } |
1076 | ||
16bf7f52 DB |
1077 | ObjectProperty * |
1078 | object_class_property_add(ObjectClass *klass, | |
1079 | const char *name, | |
1080 | const char *type, | |
1081 | ObjectPropertyAccessor *get, | |
1082 | ObjectPropertyAccessor *set, | |
1083 | ObjectPropertyRelease *release, | |
1084 | void *opaque, | |
1085 | Error **errp) | |
1086 | { | |
1087 | ObjectProperty *prop; | |
1088 | ||
1089 | if (object_class_property_find(klass, name, NULL) != NULL) { | |
1090 | error_setg(errp, "attempt to add duplicate property '%s'" | |
1091 | " to object (type '%s')", name, | |
1092 | object_class_get_name(klass)); | |
1093 | return NULL; | |
1094 | } | |
1095 | ||
1096 | prop = g_malloc0(sizeof(*prop)); | |
1097 | ||
1098 | prop->name = g_strdup(name); | |
1099 | prop->type = g_strdup(type); | |
1100 | ||
1101 | prop->get = get; | |
1102 | prop->set = set; | |
1103 | prop->release = release; | |
1104 | prop->opaque = opaque; | |
1105 | ||
1106 | g_hash_table_insert(klass->properties, g_strdup(name), prop); | |
1107 | ||
1108 | return prop; | |
1109 | } | |
1110 | ||
89bfe000 PB |
1111 | ObjectProperty *object_property_find(Object *obj, const char *name, |
1112 | Error **errp) | |
57c9fafe AL |
1113 | { |
1114 | ObjectProperty *prop; | |
16bf7f52 DB |
1115 | ObjectClass *klass = object_get_class(obj); |
1116 | ||
1117 | prop = object_class_property_find(klass, name, NULL); | |
1118 | if (prop) { | |
1119 | return prop; | |
1120 | } | |
57c9fafe | 1121 | |
b604a854 PF |
1122 | prop = g_hash_table_lookup(obj->properties, name); |
1123 | if (prop) { | |
1124 | return prop; | |
57c9fafe AL |
1125 | } |
1126 | ||
f231b88d | 1127 | error_setg(errp, "Property '.%s' not found", name); |
57c9fafe AL |
1128 | return NULL; |
1129 | } | |
1130 | ||
7746abd8 DB |
1131 | void object_property_iter_init(ObjectPropertyIterator *iter, |
1132 | Object *obj) | |
a00c9482 | 1133 | { |
7746abd8 DB |
1134 | g_hash_table_iter_init(&iter->iter, obj->properties); |
1135 | iter->nextclass = object_get_class(obj); | |
a00c9482 DB |
1136 | } |
1137 | ||
1138 | ObjectProperty *object_property_iter_next(ObjectPropertyIterator *iter) | |
1139 | { | |
b604a854 | 1140 | gpointer key, val; |
16bf7f52 DB |
1141 | while (!g_hash_table_iter_next(&iter->iter, &key, &val)) { |
1142 | if (!iter->nextclass) { | |
1143 | return NULL; | |
1144 | } | |
1145 | g_hash_table_iter_init(&iter->iter, iter->nextclass->properties); | |
1146 | iter->nextclass = object_class_get_parent(iter->nextclass); | |
a00c9482 | 1147 | } |
b604a854 | 1148 | return val; |
a00c9482 DB |
1149 | } |
1150 | ||
961c47bb AK |
1151 | void object_class_property_iter_init(ObjectPropertyIterator *iter, |
1152 | ObjectClass *klass) | |
1153 | { | |
1154 | g_hash_table_iter_init(&iter->iter, klass->properties); | |
684546d8 | 1155 | iter->nextclass = object_class_get_parent(klass); |
961c47bb AK |
1156 | } |
1157 | ||
16bf7f52 DB |
1158 | ObjectProperty *object_class_property_find(ObjectClass *klass, const char *name, |
1159 | Error **errp) | |
1160 | { | |
1161 | ObjectProperty *prop; | |
1162 | ObjectClass *parent_klass; | |
1163 | ||
1164 | parent_klass = object_class_get_parent(klass); | |
1165 | if (parent_klass) { | |
1166 | prop = object_class_property_find(parent_klass, name, NULL); | |
1167 | if (prop) { | |
1168 | return prop; | |
1169 | } | |
1170 | } | |
1171 | ||
1172 | prop = g_hash_table_lookup(klass->properties, name); | |
1173 | if (!prop) { | |
1174 | error_setg(errp, "Property '.%s' not found", name); | |
1175 | } | |
1176 | return prop; | |
1177 | } | |
1178 | ||
57c9fafe AL |
1179 | void object_property_del(Object *obj, const char *name, Error **errp) |
1180 | { | |
b604a854 PF |
1181 | ObjectProperty *prop = g_hash_table_lookup(obj->properties, name); |
1182 | ||
1183 | if (!prop) { | |
1184 | error_setg(errp, "Property '.%s' not found", name); | |
0866aca1 AL |
1185 | return; |
1186 | } | |
57c9fafe | 1187 | |
0866aca1 AL |
1188 | if (prop->release) { |
1189 | prop->release(obj, name, prop->opaque); | |
1190 | } | |
b604a854 | 1191 | g_hash_table_remove(obj->properties, name); |
57c9fafe AL |
1192 | } |
1193 | ||
1194 | void object_property_get(Object *obj, Visitor *v, const char *name, | |
1195 | Error **errp) | |
1196 | { | |
89bfe000 | 1197 | ObjectProperty *prop = object_property_find(obj, name, errp); |
57c9fafe | 1198 | if (prop == NULL) { |
57c9fafe AL |
1199 | return; |
1200 | } | |
1201 | ||
1202 | if (!prop->get) { | |
c6bd8c70 | 1203 | error_setg(errp, QERR_PERMISSION_DENIED); |
57c9fafe | 1204 | } else { |
d7bce999 | 1205 | prop->get(obj, v, name, prop->opaque, errp); |
57c9fafe AL |
1206 | } |
1207 | } | |
1208 | ||
1209 | void object_property_set(Object *obj, Visitor *v, const char *name, | |
1210 | Error **errp) | |
1211 | { | |
89bfe000 | 1212 | ObjectProperty *prop = object_property_find(obj, name, errp); |
57c9fafe | 1213 | if (prop == NULL) { |
57c9fafe AL |
1214 | return; |
1215 | } | |
1216 | ||
1217 | if (!prop->set) { | |
c6bd8c70 | 1218 | error_setg(errp, QERR_PERMISSION_DENIED); |
57c9fafe | 1219 | } else { |
d7bce999 | 1220 | prop->set(obj, v, name, prop->opaque, errp); |
57c9fafe AL |
1221 | } |
1222 | } | |
1223 | ||
7b7b7d18 PB |
1224 | void object_property_set_str(Object *obj, const char *value, |
1225 | const char *name, Error **errp) | |
1226 | { | |
1227 | QString *qstr = qstring_from_str(value); | |
1228 | object_property_set_qobject(obj, QOBJECT(qstr), name, errp); | |
1229 | ||
cb3e7f08 | 1230 | qobject_unref(qstr); |
7b7b7d18 PB |
1231 | } |
1232 | ||
1233 | char *object_property_get_str(Object *obj, const char *name, | |
1234 | Error **errp) | |
1235 | { | |
1236 | QObject *ret = object_property_get_qobject(obj, name, errp); | |
7b7b7d18 PB |
1237 | char *retval; |
1238 | ||
1239 | if (!ret) { | |
1240 | return NULL; | |
1241 | } | |
aafb21a0 PX |
1242 | |
1243 | retval = g_strdup(qobject_get_try_str(ret)); | |
1244 | if (!retval) { | |
c6bd8c70 | 1245 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name, "string"); |
7b7b7d18 PB |
1246 | } |
1247 | ||
cb3e7f08 | 1248 | qobject_unref(ret); |
7b7b7d18 PB |
1249 | return retval; |
1250 | } | |
1251 | ||
1d9c5a12 PB |
1252 | void object_property_set_link(Object *obj, Object *value, |
1253 | const char *name, Error **errp) | |
1254 | { | |
d3c49316 PC |
1255 | if (value) { |
1256 | gchar *path = object_get_canonical_path(value); | |
1257 | object_property_set_str(obj, path, name, errp); | |
1258 | g_free(path); | |
1259 | } else { | |
1260 | object_property_set_str(obj, "", name, errp); | |
1261 | } | |
1d9c5a12 PB |
1262 | } |
1263 | ||
1264 | Object *object_property_get_link(Object *obj, const char *name, | |
1265 | Error **errp) | |
1266 | { | |
1267 | char *str = object_property_get_str(obj, name, errp); | |
1268 | Object *target = NULL; | |
1269 | ||
1270 | if (str && *str) { | |
1271 | target = object_resolve_path(str, NULL); | |
1272 | if (!target) { | |
75158ebb MA |
1273 | error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND, |
1274 | "Device '%s' not found", str); | |
1d9c5a12 PB |
1275 | } |
1276 | } | |
1277 | ||
1278 | g_free(str); | |
1279 | return target; | |
1280 | } | |
1281 | ||
7b7b7d18 PB |
1282 | void object_property_set_bool(Object *obj, bool value, |
1283 | const char *name, Error **errp) | |
1284 | { | |
fc48ffc3 | 1285 | QBool *qbool = qbool_from_bool(value); |
7b7b7d18 PB |
1286 | object_property_set_qobject(obj, QOBJECT(qbool), name, errp); |
1287 | ||
cb3e7f08 | 1288 | qobject_unref(qbool); |
7b7b7d18 PB |
1289 | } |
1290 | ||
1291 | bool object_property_get_bool(Object *obj, const char *name, | |
1292 | Error **errp) | |
1293 | { | |
1294 | QObject *ret = object_property_get_qobject(obj, name, errp); | |
1295 | QBool *qbool; | |
1296 | bool retval; | |
1297 | ||
1298 | if (!ret) { | |
1299 | return false; | |
1300 | } | |
7dc847eb | 1301 | qbool = qobject_to(QBool, ret); |
7b7b7d18 | 1302 | if (!qbool) { |
c6bd8c70 | 1303 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name, "boolean"); |
7b7b7d18 PB |
1304 | retval = false; |
1305 | } else { | |
fc48ffc3 | 1306 | retval = qbool_get_bool(qbool); |
7b7b7d18 PB |
1307 | } |
1308 | ||
cb3e7f08 | 1309 | qobject_unref(ret); |
7b7b7d18 PB |
1310 | return retval; |
1311 | } | |
1312 | ||
1313 | void object_property_set_int(Object *obj, int64_t value, | |
1314 | const char *name, Error **errp) | |
1315 | { | |
01b2ffce MAL |
1316 | QNum *qnum = qnum_from_int(value); |
1317 | object_property_set_qobject(obj, QOBJECT(qnum), name, errp); | |
7b7b7d18 | 1318 | |
cb3e7f08 | 1319 | qobject_unref(qnum); |
7b7b7d18 PB |
1320 | } |
1321 | ||
1322 | int64_t object_property_get_int(Object *obj, const char *name, | |
1323 | Error **errp) | |
1324 | { | |
1325 | QObject *ret = object_property_get_qobject(obj, name, errp); | |
01b2ffce | 1326 | QNum *qnum; |
7b7b7d18 PB |
1327 | int64_t retval; |
1328 | ||
1329 | if (!ret) { | |
1330 | return -1; | |
1331 | } | |
01b2ffce | 1332 | |
7dc847eb | 1333 | qnum = qobject_to(QNum, ret); |
01b2ffce | 1334 | if (!qnum || !qnum_get_try_int(qnum, &retval)) { |
c6bd8c70 | 1335 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name, "int"); |
7b7b7d18 | 1336 | retval = -1; |
7b7b7d18 PB |
1337 | } |
1338 | ||
cb3e7f08 | 1339 | qobject_unref(ret); |
7b7b7d18 | 1340 | return retval; |
b2cd7dee PB |
1341 | } |
1342 | ||
3152779c MAL |
1343 | void object_property_set_uint(Object *obj, uint64_t value, |
1344 | const char *name, Error **errp) | |
1345 | { | |
1346 | QNum *qnum = qnum_from_uint(value); | |
1347 | ||
1348 | object_property_set_qobject(obj, QOBJECT(qnum), name, errp); | |
cb3e7f08 | 1349 | qobject_unref(qnum); |
3152779c MAL |
1350 | } |
1351 | ||
1352 | uint64_t object_property_get_uint(Object *obj, const char *name, | |
1353 | Error **errp) | |
1354 | { | |
1355 | QObject *ret = object_property_get_qobject(obj, name, errp); | |
1356 | QNum *qnum; | |
1357 | uint64_t retval; | |
1358 | ||
1359 | if (!ret) { | |
1360 | return 0; | |
1361 | } | |
7dc847eb | 1362 | qnum = qobject_to(QNum, ret); |
3152779c MAL |
1363 | if (!qnum || !qnum_get_try_uint(qnum, &retval)) { |
1364 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name, "uint"); | |
1365 | retval = 0; | |
1366 | } | |
1367 | ||
cb3e7f08 | 1368 | qobject_unref(ret); |
3152779c MAL |
1369 | return retval; |
1370 | } | |
1371 | ||
a8e3fbed | 1372 | typedef struct EnumProperty { |
f7abe0ec | 1373 | const QEnumLookup *lookup; |
a8e3fbed DB |
1374 | int (*get)(Object *, Error **); |
1375 | void (*set)(Object *, int, Error **); | |
1376 | } EnumProperty; | |
1377 | ||
1f21772d | 1378 | int object_property_get_enum(Object *obj, const char *name, |
a3590dac | 1379 | const char *typename, Error **errp) |
1f21772d | 1380 | { |
4715d42e | 1381 | Error *err = NULL; |
7a0525c7 | 1382 | Visitor *v; |
976620ac | 1383 | char *str; |
1f21772d | 1384 | int ret; |
a3590dac DB |
1385 | ObjectProperty *prop = object_property_find(obj, name, errp); |
1386 | EnumProperty *enumprop; | |
1387 | ||
1388 | if (prop == NULL) { | |
1389 | return 0; | |
1390 | } | |
1391 | ||
1392 | if (!g_str_equal(prop->type, typename)) { | |
1393 | error_setg(errp, "Property %s on %s is not '%s' enum type", | |
1394 | name, object_class_get_name( | |
1395 | object_get_class(obj)), typename); | |
1396 | return 0; | |
1397 | } | |
1398 | ||
1399 | enumprop = prop->opaque; | |
1f21772d | 1400 | |
3b098d56 | 1401 | v = string_output_visitor_new(false, &str); |
e7ca5656 | 1402 | object_property_get(obj, v, name, &err); |
4715d42e MA |
1403 | if (err) { |
1404 | error_propagate(errp, err); | |
e7ca5656 | 1405 | visit_free(v); |
4715d42e MA |
1406 | return 0; |
1407 | } | |
3b098d56 | 1408 | visit_complete(v, &str); |
e7ca5656 | 1409 | visit_free(v); |
7a0525c7 | 1410 | v = string_input_visitor_new(str); |
f7abe0ec | 1411 | visit_type_enum(v, name, &ret, enumprop->lookup, errp); |
976620ac CF |
1412 | |
1413 | g_free(str); | |
7a0525c7 | 1414 | visit_free(v); |
1f21772d HT |
1415 | |
1416 | return ret; | |
1417 | } | |
1418 | ||
1419 | void object_property_get_uint16List(Object *obj, const char *name, | |
1420 | uint16List **list, Error **errp) | |
1421 | { | |
4715d42e | 1422 | Error *err = NULL; |
7a0525c7 | 1423 | Visitor *v; |
976620ac | 1424 | char *str; |
1f21772d | 1425 | |
3b098d56 EB |
1426 | v = string_output_visitor_new(false, &str); |
1427 | object_property_get(obj, v, name, &err); | |
4715d42e MA |
1428 | if (err) { |
1429 | error_propagate(errp, err); | |
1430 | goto out; | |
1431 | } | |
3b098d56 EB |
1432 | visit_complete(v, &str); |
1433 | visit_free(v); | |
7a0525c7 EB |
1434 | v = string_input_visitor_new(str); |
1435 | visit_type_uint16List(v, NULL, list, errp); | |
976620ac CF |
1436 | |
1437 | g_free(str); | |
4715d42e | 1438 | out: |
3b098d56 | 1439 | visit_free(v); |
1f21772d HT |
1440 | } |
1441 | ||
b2cd7dee PB |
1442 | void object_property_parse(Object *obj, const char *string, |
1443 | const char *name, Error **errp) | |
1444 | { | |
7a0525c7 EB |
1445 | Visitor *v = string_input_visitor_new(string); |
1446 | object_property_set(obj, v, name, errp); | |
1447 | visit_free(v); | |
b2cd7dee PB |
1448 | } |
1449 | ||
0b7593e0 | 1450 | char *object_property_print(Object *obj, const char *name, bool human, |
b2cd7dee PB |
1451 | Error **errp) |
1452 | { | |
3b098d56 | 1453 | Visitor *v; |
3a53009f GA |
1454 | char *string = NULL; |
1455 | Error *local_err = NULL; | |
b2cd7dee | 1456 | |
3b098d56 EB |
1457 | v = string_output_visitor_new(human, &string); |
1458 | object_property_get(obj, v, name, &local_err); | |
3a53009f GA |
1459 | if (local_err) { |
1460 | error_propagate(errp, local_err); | |
1461 | goto out; | |
1462 | } | |
1463 | ||
3b098d56 | 1464 | visit_complete(v, &string); |
3a53009f GA |
1465 | |
1466 | out: | |
3b098d56 | 1467 | visit_free(v); |
b2cd7dee | 1468 | return string; |
7b7b7d18 PB |
1469 | } |
1470 | ||
57c9fafe AL |
1471 | const char *object_property_get_type(Object *obj, const char *name, Error **errp) |
1472 | { | |
89bfe000 | 1473 | ObjectProperty *prop = object_property_find(obj, name, errp); |
57c9fafe | 1474 | if (prop == NULL) { |
57c9fafe AL |
1475 | return NULL; |
1476 | } | |
1477 | ||
1478 | return prop->type; | |
1479 | } | |
1480 | ||
1481 | Object *object_get_root(void) | |
1482 | { | |
8b45d447 | 1483 | static Object *root; |
57c9fafe | 1484 | |
8b45d447 AL |
1485 | if (!root) { |
1486 | root = object_new("container"); | |
57c9fafe AL |
1487 | } |
1488 | ||
8b45d447 | 1489 | return root; |
57c9fafe AL |
1490 | } |
1491 | ||
bc2256c4 DB |
1492 | Object *object_get_objects_root(void) |
1493 | { | |
1494 | return container_get(object_get_root(), "/objects"); | |
1495 | } | |
1496 | ||
7c47c4ea PX |
1497 | Object *object_get_internal_root(void) |
1498 | { | |
1499 | static Object *internal_root; | |
1500 | ||
1501 | if (!internal_root) { | |
1502 | internal_root = object_new("container"); | |
1503 | } | |
1504 | ||
1505 | return internal_root; | |
1506 | } | |
1507 | ||
d7bce999 EB |
1508 | static void object_get_child_property(Object *obj, Visitor *v, |
1509 | const char *name, void *opaque, | |
1510 | Error **errp) | |
57c9fafe AL |
1511 | { |
1512 | Object *child = opaque; | |
1513 | gchar *path; | |
1514 | ||
1515 | path = object_get_canonical_path(child); | |
51e72bc1 | 1516 | visit_type_str(v, name, &path, errp); |
57c9fafe AL |
1517 | g_free(path); |
1518 | } | |
1519 | ||
64607d08 PB |
1520 | static Object *object_resolve_child_property(Object *parent, void *opaque, const gchar *part) |
1521 | { | |
1522 | return opaque; | |
1523 | } | |
1524 | ||
db85b575 AL |
1525 | static void object_finalize_child_property(Object *obj, const char *name, |
1526 | void *opaque) | |
1527 | { | |
1528 | Object *child = opaque; | |
1529 | ||
bffc687d PB |
1530 | if (child->class->unparent) { |
1531 | (child->class->unparent)(child); | |
1532 | } | |
1533 | child->parent = NULL; | |
db85b575 AL |
1534 | object_unref(child); |
1535 | } | |
1536 | ||
57c9fafe AL |
1537 | void object_property_add_child(Object *obj, const char *name, |
1538 | Object *child, Error **errp) | |
1539 | { | |
b0ed5e9f | 1540 | Error *local_err = NULL; |
57c9fafe | 1541 | gchar *type; |
64607d08 | 1542 | ObjectProperty *op; |
57c9fafe | 1543 | |
8faa2f85 PC |
1544 | if (child->parent != NULL) { |
1545 | error_setg(errp, "child object is already parented"); | |
1546 | return; | |
1547 | } | |
1548 | ||
57c9fafe AL |
1549 | type = g_strdup_printf("child<%s>", object_get_typename(OBJECT(child))); |
1550 | ||
64607d08 PB |
1551 | op = object_property_add(obj, name, type, object_get_child_property, NULL, |
1552 | object_finalize_child_property, child, &local_err); | |
b0ed5e9f PB |
1553 | if (local_err) { |
1554 | error_propagate(errp, local_err); | |
1555 | goto out; | |
1556 | } | |
64607d08 PB |
1557 | |
1558 | op->resolve = object_resolve_child_property; | |
57c9fafe | 1559 | object_ref(child); |
57c9fafe AL |
1560 | child->parent = obj; |
1561 | ||
b0ed5e9f | 1562 | out: |
57c9fafe AL |
1563 | g_free(type); |
1564 | } | |
1565 | ||
8f5d58ef | 1566 | void object_property_allow_set_link(const Object *obj, const char *name, |
39f72ef9 SH |
1567 | Object *val, Error **errp) |
1568 | { | |
1569 | /* Allow the link to be set, always */ | |
1570 | } | |
1571 | ||
9561fda8 SH |
1572 | typedef struct { |
1573 | Object **child; | |
8f5d58ef | 1574 | void (*check)(const Object *, const char *, Object *, Error **); |
9561fda8 SH |
1575 | ObjectPropertyLinkFlags flags; |
1576 | } LinkProperty; | |
1577 | ||
d7bce999 EB |
1578 | static void object_get_link_property(Object *obj, Visitor *v, |
1579 | const char *name, void *opaque, | |
1580 | Error **errp) | |
57c9fafe | 1581 | { |
9561fda8 SH |
1582 | LinkProperty *lprop = opaque; |
1583 | Object **child = lprop->child; | |
57c9fafe AL |
1584 | gchar *path; |
1585 | ||
1586 | if (*child) { | |
1587 | path = object_get_canonical_path(*child); | |
51e72bc1 | 1588 | visit_type_str(v, name, &path, errp); |
57c9fafe AL |
1589 | g_free(path); |
1590 | } else { | |
1591 | path = (gchar *)""; | |
51e72bc1 | 1592 | visit_type_str(v, name, &path, errp); |
57c9fafe AL |
1593 | } |
1594 | } | |
1595 | ||
f5ec6704 SH |
1596 | /* |
1597 | * object_resolve_link: | |
1598 | * | |
1599 | * Lookup an object and ensure its type matches the link property type. This | |
1600 | * is similar to object_resolve_path() except type verification against the | |
1601 | * link property is performed. | |
1602 | * | |
1603 | * Returns: The matched object or NULL on path lookup failures. | |
1604 | */ | |
1605 | static Object *object_resolve_link(Object *obj, const char *name, | |
1606 | const char *path, Error **errp) | |
1607 | { | |
1608 | const char *type; | |
1609 | gchar *target_type; | |
1610 | bool ambiguous = false; | |
1611 | Object *target; | |
1612 | ||
1613 | /* Go from link<FOO> to FOO. */ | |
1614 | type = object_property_get_type(obj, name, NULL); | |
1615 | target_type = g_strndup(&type[5], strlen(type) - 6); | |
1616 | target = object_resolve_path_type(path, target_type, &ambiguous); | |
1617 | ||
1618 | if (ambiguous) { | |
455b0fde EB |
1619 | error_setg(errp, "Path '%s' does not uniquely identify an object", |
1620 | path); | |
f5ec6704 SH |
1621 | } else if (!target) { |
1622 | target = object_resolve_path(path, &ambiguous); | |
1623 | if (target || ambiguous) { | |
c6bd8c70 | 1624 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name, target_type); |
f5ec6704 | 1625 | } else { |
75158ebb MA |
1626 | error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND, |
1627 | "Device '%s' not found", path); | |
f5ec6704 SH |
1628 | } |
1629 | target = NULL; | |
1630 | } | |
1631 | g_free(target_type); | |
1632 | ||
1633 | return target; | |
1634 | } | |
1635 | ||
d7bce999 EB |
1636 | static void object_set_link_property(Object *obj, Visitor *v, |
1637 | const char *name, void *opaque, | |
1638 | Error **errp) | |
57c9fafe | 1639 | { |
c6aed983 | 1640 | Error *local_err = NULL; |
9561fda8 SH |
1641 | LinkProperty *prop = opaque; |
1642 | Object **child = prop->child; | |
c6aed983 SH |
1643 | Object *old_target = *child; |
1644 | Object *new_target = NULL; | |
1645 | char *path = NULL; | |
57c9fafe | 1646 | |
51e72bc1 | 1647 | visit_type_str(v, name, &path, &local_err); |
57c9fafe | 1648 | |
c6aed983 SH |
1649 | if (!local_err && strcmp(path, "") != 0) { |
1650 | new_target = object_resolve_link(obj, name, path, &local_err); | |
57c9fafe AL |
1651 | } |
1652 | ||
1653 | g_free(path); | |
c6aed983 SH |
1654 | if (local_err) { |
1655 | error_propagate(errp, local_err); | |
1656 | return; | |
1657 | } | |
f0cdc966 | 1658 | |
39f72ef9 SH |
1659 | prop->check(obj, name, new_target, &local_err); |
1660 | if (local_err) { | |
1661 | error_propagate(errp, local_err); | |
1662 | return; | |
1663 | } | |
1664 | ||
c6aed983 | 1665 | *child = new_target; |
265b578c MAL |
1666 | if (prop->flags == OBJ_PROP_LINK_STRONG) { |
1667 | object_ref(new_target); | |
1668 | object_unref(old_target); | |
1669 | } | |
57c9fafe AL |
1670 | } |
1671 | ||
64607d08 PB |
1672 | static Object *object_resolve_link_property(Object *parent, void *opaque, const gchar *part) |
1673 | { | |
1674 | LinkProperty *lprop = opaque; | |
1675 | ||
1676 | return *lprop->child; | |
1677 | } | |
1678 | ||
9561fda8 SH |
1679 | static void object_release_link_property(Object *obj, const char *name, |
1680 | void *opaque) | |
1681 | { | |
1682 | LinkProperty *prop = opaque; | |
1683 | ||
265b578c | 1684 | if ((prop->flags & OBJ_PROP_LINK_STRONG) && *prop->child) { |
9561fda8 SH |
1685 | object_unref(*prop->child); |
1686 | } | |
1687 | g_free(prop); | |
1688 | } | |
1689 | ||
57c9fafe AL |
1690 | void object_property_add_link(Object *obj, const char *name, |
1691 | const char *type, Object **child, | |
8f5d58ef | 1692 | void (*check)(const Object *, const char *, |
39f72ef9 | 1693 | Object *, Error **), |
9561fda8 | 1694 | ObjectPropertyLinkFlags flags, |
57c9fafe AL |
1695 | Error **errp) |
1696 | { | |
9561fda8 SH |
1697 | Error *local_err = NULL; |
1698 | LinkProperty *prop = g_malloc(sizeof(*prop)); | |
57c9fafe | 1699 | gchar *full_type; |
64607d08 | 1700 | ObjectProperty *op; |
57c9fafe | 1701 | |
9561fda8 | 1702 | prop->child = child; |
39f72ef9 | 1703 | prop->check = check; |
9561fda8 SH |
1704 | prop->flags = flags; |
1705 | ||
57c9fafe AL |
1706 | full_type = g_strdup_printf("link<%s>", type); |
1707 | ||
64607d08 PB |
1708 | op = object_property_add(obj, name, full_type, |
1709 | object_get_link_property, | |
1710 | check ? object_set_link_property : NULL, | |
1711 | object_release_link_property, | |
1712 | prop, | |
1713 | &local_err); | |
9561fda8 SH |
1714 | if (local_err) { |
1715 | error_propagate(errp, local_err); | |
1716 | g_free(prop); | |
64607d08 | 1717 | goto out; |
9561fda8 | 1718 | } |
57c9fafe | 1719 | |
64607d08 PB |
1720 | op->resolve = object_resolve_link_property; |
1721 | ||
1722 | out: | |
57c9fafe AL |
1723 | g_free(full_type); |
1724 | } | |
1725 | ||
fb9e7e33 PB |
1726 | void object_property_add_const_link(Object *obj, const char *name, |
1727 | Object *target, Error **errp) | |
1728 | { | |
1729 | char *link_type; | |
1730 | ObjectProperty *op; | |
1731 | ||
1732 | link_type = g_strdup_printf("link<%s>", object_get_typename(target)); | |
1733 | op = object_property_add(obj, name, link_type, | |
1734 | object_get_child_property, NULL, | |
1735 | NULL, target, errp); | |
1736 | if (op != NULL) { | |
1737 | op->resolve = object_resolve_child_property; | |
1738 | } | |
1739 | g_free(link_type); | |
1740 | } | |
1741 | ||
11f590b1 SH |
1742 | gchar *object_get_canonical_path_component(Object *obj) |
1743 | { | |
1744 | ObjectProperty *prop = NULL; | |
b604a854 | 1745 | GHashTableIter iter; |
11f590b1 | 1746 | |
770dec26 PB |
1747 | if (obj->parent == NULL) { |
1748 | return NULL; | |
1749 | } | |
11f590b1 | 1750 | |
b604a854 PF |
1751 | g_hash_table_iter_init(&iter, obj->parent->properties); |
1752 | while (g_hash_table_iter_next(&iter, NULL, (gpointer *)&prop)) { | |
11f590b1 SH |
1753 | if (!object_property_is_child(prop)) { |
1754 | continue; | |
1755 | } | |
1756 | ||
1757 | if (prop->opaque == obj) { | |
1758 | return g_strdup(prop->name); | |
1759 | } | |
1760 | } | |
1761 | ||
1762 | /* obj had a parent but was not a child, should never happen */ | |
1763 | g_assert_not_reached(); | |
1764 | return NULL; | |
1765 | } | |
1766 | ||
57c9fafe AL |
1767 | gchar *object_get_canonical_path(Object *obj) |
1768 | { | |
1769 | Object *root = object_get_root(); | |
11f590b1 | 1770 | char *newpath, *path = NULL; |
57c9fafe | 1771 | |
e40077fd PB |
1772 | if (obj == root) { |
1773 | return g_strdup("/"); | |
1774 | } | |
1775 | ||
1776 | do { | |
11f590b1 | 1777 | char *component = object_get_canonical_path_component(obj); |
57c9fafe | 1778 | |
e40077fd PB |
1779 | if (!component) { |
1780 | /* A canonical path must be complete, so discard what was | |
1781 | * collected so far. | |
1782 | */ | |
11f590b1 | 1783 | g_free(path); |
e40077fd | 1784 | return NULL; |
57c9fafe AL |
1785 | } |
1786 | ||
e40077fd PB |
1787 | newpath = g_strdup_printf("/%s%s", component, path ? path : ""); |
1788 | g_free(path); | |
1789 | g_free(component); | |
1790 | path = newpath; | |
57c9fafe | 1791 | obj = obj->parent; |
e40077fd | 1792 | } while (obj != root); |
57c9fafe | 1793 | |
e40077fd | 1794 | return path; |
57c9fafe AL |
1795 | } |
1796 | ||
3e84b483 | 1797 | Object *object_resolve_path_component(Object *parent, const gchar *part) |
a612b2a6 | 1798 | { |
89bfe000 | 1799 | ObjectProperty *prop = object_property_find(parent, part, NULL); |
a612b2a6 PB |
1800 | if (prop == NULL) { |
1801 | return NULL; | |
1802 | } | |
1803 | ||
64607d08 PB |
1804 | if (prop->resolve) { |
1805 | return prop->resolve(parent, prop->opaque, part); | |
a612b2a6 PB |
1806 | } else { |
1807 | return NULL; | |
1808 | } | |
1809 | } | |
1810 | ||
57c9fafe AL |
1811 | static Object *object_resolve_abs_path(Object *parent, |
1812 | gchar **parts, | |
02fe2db6 | 1813 | const char *typename, |
57c9fafe AL |
1814 | int index) |
1815 | { | |
57c9fafe AL |
1816 | Object *child; |
1817 | ||
1818 | if (parts[index] == NULL) { | |
02fe2db6 | 1819 | return object_dynamic_cast(parent, typename); |
57c9fafe AL |
1820 | } |
1821 | ||
1822 | if (strcmp(parts[index], "") == 0) { | |
02fe2db6 | 1823 | return object_resolve_abs_path(parent, parts, typename, index + 1); |
57c9fafe AL |
1824 | } |
1825 | ||
a612b2a6 | 1826 | child = object_resolve_path_component(parent, parts[index]); |
57c9fafe AL |
1827 | if (!child) { |
1828 | return NULL; | |
1829 | } | |
1830 | ||
02fe2db6 | 1831 | return object_resolve_abs_path(child, parts, typename, index + 1); |
57c9fafe AL |
1832 | } |
1833 | ||
1834 | static Object *object_resolve_partial_path(Object *parent, | |
1835 | gchar **parts, | |
02fe2db6 | 1836 | const char *typename, |
57c9fafe AL |
1837 | bool *ambiguous) |
1838 | { | |
1839 | Object *obj; | |
b604a854 | 1840 | GHashTableIter iter; |
57c9fafe AL |
1841 | ObjectProperty *prop; |
1842 | ||
02fe2db6 | 1843 | obj = object_resolve_abs_path(parent, parts, typename, 0); |
57c9fafe | 1844 | |
b604a854 PF |
1845 | g_hash_table_iter_init(&iter, parent->properties); |
1846 | while (g_hash_table_iter_next(&iter, NULL, (gpointer *)&prop)) { | |
57c9fafe AL |
1847 | Object *found; |
1848 | ||
5d9d3f47 | 1849 | if (!object_property_is_child(prop)) { |
57c9fafe AL |
1850 | continue; |
1851 | } | |
1852 | ||
02fe2db6 PB |
1853 | found = object_resolve_partial_path(prop->opaque, parts, |
1854 | typename, ambiguous); | |
57c9fafe AL |
1855 | if (found) { |
1856 | if (obj) { | |
ebcc479e | 1857 | *ambiguous = true; |
57c9fafe AL |
1858 | return NULL; |
1859 | } | |
1860 | obj = found; | |
1861 | } | |
1862 | ||
ebcc479e | 1863 | if (*ambiguous) { |
57c9fafe AL |
1864 | return NULL; |
1865 | } | |
1866 | } | |
1867 | ||
1868 | return obj; | |
1869 | } | |
1870 | ||
02fe2db6 | 1871 | Object *object_resolve_path_type(const char *path, const char *typename, |
ebcc479e | 1872 | bool *ambiguousp) |
57c9fafe | 1873 | { |
57c9fafe AL |
1874 | Object *obj; |
1875 | gchar **parts; | |
1876 | ||
1877 | parts = g_strsplit(path, "/", 0); | |
2e1103f6 | 1878 | assert(parts); |
57c9fafe | 1879 | |
2e1103f6 | 1880 | if (parts[0] == NULL || strcmp(parts[0], "") != 0) { |
ebcc479e | 1881 | bool ambiguous = false; |
02fe2db6 | 1882 | obj = object_resolve_partial_path(object_get_root(), parts, |
ebcc479e EH |
1883 | typename, &ambiguous); |
1884 | if (ambiguousp) { | |
1885 | *ambiguousp = ambiguous; | |
1886 | } | |
57c9fafe | 1887 | } else { |
02fe2db6 | 1888 | obj = object_resolve_abs_path(object_get_root(), parts, typename, 1); |
57c9fafe AL |
1889 | } |
1890 | ||
1891 | g_strfreev(parts); | |
1892 | ||
1893 | return obj; | |
1894 | } | |
1895 | ||
02fe2db6 PB |
1896 | Object *object_resolve_path(const char *path, bool *ambiguous) |
1897 | { | |
1898 | return object_resolve_path_type(path, TYPE_OBJECT, ambiguous); | |
1899 | } | |
1900 | ||
57c9fafe AL |
1901 | typedef struct StringProperty |
1902 | { | |
1903 | char *(*get)(Object *, Error **); | |
1904 | void (*set)(Object *, const char *, Error **); | |
1905 | } StringProperty; | |
1906 | ||
d7bce999 EB |
1907 | static void property_get_str(Object *obj, Visitor *v, const char *name, |
1908 | void *opaque, Error **errp) | |
57c9fafe AL |
1909 | { |
1910 | StringProperty *prop = opaque; | |
1911 | char *value; | |
e1c8237d | 1912 | Error *err = NULL; |
57c9fafe | 1913 | |
e1c8237d MA |
1914 | value = prop->get(obj, &err); |
1915 | if (err) { | |
1916 | error_propagate(errp, err); | |
1917 | return; | |
57c9fafe | 1918 | } |
e1c8237d | 1919 | |
51e72bc1 | 1920 | visit_type_str(v, name, &value, errp); |
e1c8237d | 1921 | g_free(value); |
57c9fafe AL |
1922 | } |
1923 | ||
d7bce999 EB |
1924 | static void property_set_str(Object *obj, Visitor *v, const char *name, |
1925 | void *opaque, Error **errp) | |
57c9fafe AL |
1926 | { |
1927 | StringProperty *prop = opaque; | |
1928 | char *value; | |
1929 | Error *local_err = NULL; | |
1930 | ||
51e72bc1 | 1931 | visit_type_str(v, name, &value, &local_err); |
57c9fafe AL |
1932 | if (local_err) { |
1933 | error_propagate(errp, local_err); | |
1934 | return; | |
1935 | } | |
1936 | ||
1937 | prop->set(obj, value, errp); | |
1938 | g_free(value); | |
1939 | } | |
1940 | ||
7b7b7d18 PB |
1941 | static void property_release_str(Object *obj, const char *name, |
1942 | void *opaque) | |
57c9fafe AL |
1943 | { |
1944 | StringProperty *prop = opaque; | |
1945 | g_free(prop); | |
1946 | } | |
1947 | ||
1948 | void object_property_add_str(Object *obj, const char *name, | |
1949 | char *(*get)(Object *, Error **), | |
1950 | void (*set)(Object *, const char *, Error **), | |
1951 | Error **errp) | |
1952 | { | |
a01aedc8 | 1953 | Error *local_err = NULL; |
57c9fafe AL |
1954 | StringProperty *prop = g_malloc0(sizeof(*prop)); |
1955 | ||
1956 | prop->get = get; | |
1957 | prop->set = set; | |
1958 | ||
1959 | object_property_add(obj, name, "string", | |
7b7b7d18 PB |
1960 | get ? property_get_str : NULL, |
1961 | set ? property_set_str : NULL, | |
1962 | property_release_str, | |
a01aedc8 SH |
1963 | prop, &local_err); |
1964 | if (local_err) { | |
1965 | error_propagate(errp, local_err); | |
1966 | g_free(prop); | |
1967 | } | |
57c9fafe | 1968 | } |
745549c8 | 1969 | |
16bf7f52 DB |
1970 | void object_class_property_add_str(ObjectClass *klass, const char *name, |
1971 | char *(*get)(Object *, Error **), | |
1972 | void (*set)(Object *, const char *, | |
1973 | Error **), | |
1974 | Error **errp) | |
1975 | { | |
1976 | Error *local_err = NULL; | |
1977 | StringProperty *prop = g_malloc0(sizeof(*prop)); | |
1978 | ||
1979 | prop->get = get; | |
1980 | prop->set = set; | |
1981 | ||
1982 | object_class_property_add(klass, name, "string", | |
1983 | get ? property_get_str : NULL, | |
1984 | set ? property_set_str : NULL, | |
1985 | property_release_str, | |
1986 | prop, &local_err); | |
1987 | if (local_err) { | |
1988 | error_propagate(errp, local_err); | |
1989 | g_free(prop); | |
1990 | } | |
1991 | } | |
1992 | ||
0e558843 AL |
1993 | typedef struct BoolProperty |
1994 | { | |
1995 | bool (*get)(Object *, Error **); | |
1996 | void (*set)(Object *, bool, Error **); | |
1997 | } BoolProperty; | |
1998 | ||
d7bce999 EB |
1999 | static void property_get_bool(Object *obj, Visitor *v, const char *name, |
2000 | void *opaque, Error **errp) | |
0e558843 AL |
2001 | { |
2002 | BoolProperty *prop = opaque; | |
2003 | bool value; | |
4715d42e MA |
2004 | Error *err = NULL; |
2005 | ||
2006 | value = prop->get(obj, &err); | |
2007 | if (err) { | |
2008 | error_propagate(errp, err); | |
2009 | return; | |
2010 | } | |
0e558843 | 2011 | |
51e72bc1 | 2012 | visit_type_bool(v, name, &value, errp); |
0e558843 AL |
2013 | } |
2014 | ||
d7bce999 EB |
2015 | static void property_set_bool(Object *obj, Visitor *v, const char *name, |
2016 | void *opaque, Error **errp) | |
0e558843 AL |
2017 | { |
2018 | BoolProperty *prop = opaque; | |
2019 | bool value; | |
2020 | Error *local_err = NULL; | |
2021 | ||
51e72bc1 | 2022 | visit_type_bool(v, name, &value, &local_err); |
0e558843 AL |
2023 | if (local_err) { |
2024 | error_propagate(errp, local_err); | |
2025 | return; | |
2026 | } | |
2027 | ||
2028 | prop->set(obj, value, errp); | |
2029 | } | |
2030 | ||
2031 | static void property_release_bool(Object *obj, const char *name, | |
2032 | void *opaque) | |
2033 | { | |
2034 | BoolProperty *prop = opaque; | |
2035 | g_free(prop); | |
2036 | } | |
2037 | ||
2038 | void object_property_add_bool(Object *obj, const char *name, | |
2039 | bool (*get)(Object *, Error **), | |
2040 | void (*set)(Object *, bool, Error **), | |
2041 | Error **errp) | |
2042 | { | |
a01aedc8 | 2043 | Error *local_err = NULL; |
0e558843 AL |
2044 | BoolProperty *prop = g_malloc0(sizeof(*prop)); |
2045 | ||
2046 | prop->get = get; | |
2047 | prop->set = set; | |
2048 | ||
2049 | object_property_add(obj, name, "bool", | |
2050 | get ? property_get_bool : NULL, | |
2051 | set ? property_set_bool : NULL, | |
2052 | property_release_bool, | |
a01aedc8 SH |
2053 | prop, &local_err); |
2054 | if (local_err) { | |
2055 | error_propagate(errp, local_err); | |
2056 | g_free(prop); | |
2057 | } | |
0e558843 AL |
2058 | } |
2059 | ||
16bf7f52 DB |
2060 | void object_class_property_add_bool(ObjectClass *klass, const char *name, |
2061 | bool (*get)(Object *, Error **), | |
2062 | void (*set)(Object *, bool, Error **), | |
2063 | Error **errp) | |
2064 | { | |
2065 | Error *local_err = NULL; | |
2066 | BoolProperty *prop = g_malloc0(sizeof(*prop)); | |
2067 | ||
2068 | prop->get = get; | |
2069 | prop->set = set; | |
2070 | ||
2071 | object_class_property_add(klass, name, "bool", | |
2072 | get ? property_get_bool : NULL, | |
2073 | set ? property_set_bool : NULL, | |
2074 | property_release_bool, | |
2075 | prop, &local_err); | |
2076 | if (local_err) { | |
2077 | error_propagate(errp, local_err); | |
2078 | g_free(prop); | |
2079 | } | |
2080 | } | |
2081 | ||
d7bce999 EB |
2082 | static void property_get_enum(Object *obj, Visitor *v, const char *name, |
2083 | void *opaque, Error **errp) | |
a8e3fbed DB |
2084 | { |
2085 | EnumProperty *prop = opaque; | |
2086 | int value; | |
4715d42e MA |
2087 | Error *err = NULL; |
2088 | ||
2089 | value = prop->get(obj, &err); | |
2090 | if (err) { | |
2091 | error_propagate(errp, err); | |
2092 | return; | |
2093 | } | |
a8e3fbed | 2094 | |
f7abe0ec | 2095 | visit_type_enum(v, name, &value, prop->lookup, errp); |
a8e3fbed DB |
2096 | } |
2097 | ||
d7bce999 EB |
2098 | static void property_set_enum(Object *obj, Visitor *v, const char *name, |
2099 | void *opaque, Error **errp) | |
a8e3fbed DB |
2100 | { |
2101 | EnumProperty *prop = opaque; | |
2102 | int value; | |
4715d42e | 2103 | Error *err = NULL; |
a8e3fbed | 2104 | |
f7abe0ec | 2105 | visit_type_enum(v, name, &value, prop->lookup, &err); |
4715d42e MA |
2106 | if (err) { |
2107 | error_propagate(errp, err); | |
2108 | return; | |
2109 | } | |
a8e3fbed DB |
2110 | prop->set(obj, value, errp); |
2111 | } | |
2112 | ||
2113 | static void property_release_enum(Object *obj, const char *name, | |
2114 | void *opaque) | |
2115 | { | |
2116 | EnumProperty *prop = opaque; | |
2117 | g_free(prop); | |
2118 | } | |
2119 | ||
2120 | void object_property_add_enum(Object *obj, const char *name, | |
2121 | const char *typename, | |
f7abe0ec | 2122 | const QEnumLookup *lookup, |
a8e3fbed DB |
2123 | int (*get)(Object *, Error **), |
2124 | void (*set)(Object *, int, Error **), | |
2125 | Error **errp) | |
2126 | { | |
2127 | Error *local_err = NULL; | |
2128 | EnumProperty *prop = g_malloc(sizeof(*prop)); | |
2129 | ||
f7abe0ec | 2130 | prop->lookup = lookup; |
a8e3fbed DB |
2131 | prop->get = get; |
2132 | prop->set = set; | |
2133 | ||
2134 | object_property_add(obj, name, typename, | |
2135 | get ? property_get_enum : NULL, | |
2136 | set ? property_set_enum : NULL, | |
2137 | property_release_enum, | |
2138 | prop, &local_err); | |
2139 | if (local_err) { | |
2140 | error_propagate(errp, local_err); | |
2141 | g_free(prop); | |
2142 | } | |
2143 | } | |
2144 | ||
16bf7f52 DB |
2145 | void object_class_property_add_enum(ObjectClass *klass, const char *name, |
2146 | const char *typename, | |
f7abe0ec | 2147 | const QEnumLookup *lookup, |
16bf7f52 DB |
2148 | int (*get)(Object *, Error **), |
2149 | void (*set)(Object *, int, Error **), | |
2150 | Error **errp) | |
2151 | { | |
2152 | Error *local_err = NULL; | |
2153 | EnumProperty *prop = g_malloc(sizeof(*prop)); | |
2154 | ||
f7abe0ec | 2155 | prop->lookup = lookup; |
16bf7f52 DB |
2156 | prop->get = get; |
2157 | prop->set = set; | |
2158 | ||
2159 | object_class_property_add(klass, name, typename, | |
2160 | get ? property_get_enum : NULL, | |
2161 | set ? property_set_enum : NULL, | |
2162 | property_release_enum, | |
2163 | prop, &local_err); | |
2164 | if (local_err) { | |
2165 | error_propagate(errp, local_err); | |
2166 | g_free(prop); | |
2167 | } | |
2168 | } | |
2169 | ||
8e099d14 DG |
2170 | typedef struct TMProperty { |
2171 | void (*get)(Object *, struct tm *, Error **); | |
2172 | } TMProperty; | |
2173 | ||
d7bce999 EB |
2174 | static void property_get_tm(Object *obj, Visitor *v, const char *name, |
2175 | void *opaque, Error **errp) | |
8e099d14 DG |
2176 | { |
2177 | TMProperty *prop = opaque; | |
2178 | Error *err = NULL; | |
2179 | struct tm value; | |
2180 | ||
2181 | prop->get(obj, &value, &err); | |
2182 | if (err) { | |
2183 | goto out; | |
2184 | } | |
2185 | ||
337283df | 2186 | visit_start_struct(v, name, NULL, 0, &err); |
8e099d14 DG |
2187 | if (err) { |
2188 | goto out; | |
2189 | } | |
51e72bc1 | 2190 | visit_type_int32(v, "tm_year", &value.tm_year, &err); |
8e099d14 DG |
2191 | if (err) { |
2192 | goto out_end; | |
2193 | } | |
51e72bc1 | 2194 | visit_type_int32(v, "tm_mon", &value.tm_mon, &err); |
8e099d14 DG |
2195 | if (err) { |
2196 | goto out_end; | |
2197 | } | |
51e72bc1 | 2198 | visit_type_int32(v, "tm_mday", &value.tm_mday, &err); |
8e099d14 DG |
2199 | if (err) { |
2200 | goto out_end; | |
2201 | } | |
51e72bc1 | 2202 | visit_type_int32(v, "tm_hour", &value.tm_hour, &err); |
8e099d14 DG |
2203 | if (err) { |
2204 | goto out_end; | |
2205 | } | |
51e72bc1 | 2206 | visit_type_int32(v, "tm_min", &value.tm_min, &err); |
8e099d14 DG |
2207 | if (err) { |
2208 | goto out_end; | |
2209 | } | |
51e72bc1 | 2210 | visit_type_int32(v, "tm_sec", &value.tm_sec, &err); |
8e099d14 DG |
2211 | if (err) { |
2212 | goto out_end; | |
2213 | } | |
15c2f669 | 2214 | visit_check_struct(v, &err); |
8e099d14 | 2215 | out_end: |
1158bb2a | 2216 | visit_end_struct(v, NULL); |
8e099d14 DG |
2217 | out: |
2218 | error_propagate(errp, err); | |
2219 | ||
2220 | } | |
2221 | ||
2222 | static void property_release_tm(Object *obj, const char *name, | |
2223 | void *opaque) | |
2224 | { | |
2225 | TMProperty *prop = opaque; | |
2226 | g_free(prop); | |
2227 | } | |
2228 | ||
2229 | void object_property_add_tm(Object *obj, const char *name, | |
2230 | void (*get)(Object *, struct tm *, Error **), | |
2231 | Error **errp) | |
2232 | { | |
2233 | Error *local_err = NULL; | |
2234 | TMProperty *prop = g_malloc0(sizeof(*prop)); | |
2235 | ||
2236 | prop->get = get; | |
2237 | ||
2238 | object_property_add(obj, name, "struct tm", | |
2239 | get ? property_get_tm : NULL, NULL, | |
2240 | property_release_tm, | |
2241 | prop, &local_err); | |
2242 | if (local_err) { | |
2243 | error_propagate(errp, local_err); | |
2244 | g_free(prop); | |
2245 | } | |
2246 | } | |
2247 | ||
16bf7f52 DB |
2248 | void object_class_property_add_tm(ObjectClass *klass, const char *name, |
2249 | void (*get)(Object *, struct tm *, Error **), | |
2250 | Error **errp) | |
2251 | { | |
2252 | Error *local_err = NULL; | |
2253 | TMProperty *prop = g_malloc0(sizeof(*prop)); | |
2254 | ||
2255 | prop->get = get; | |
2256 | ||
2257 | object_class_property_add(klass, name, "struct tm", | |
2258 | get ? property_get_tm : NULL, NULL, | |
2259 | property_release_tm, | |
2260 | prop, &local_err); | |
2261 | if (local_err) { | |
2262 | error_propagate(errp, local_err); | |
2263 | g_free(prop); | |
2264 | } | |
2265 | } | |
2266 | ||
2f262e06 PB |
2267 | static char *qdev_get_type(Object *obj, Error **errp) |
2268 | { | |
2269 | return g_strdup(object_get_typename(obj)); | |
2270 | } | |
2271 | ||
d7bce999 EB |
2272 | static void property_get_uint8_ptr(Object *obj, Visitor *v, const char *name, |
2273 | void *opaque, Error **errp) | |
e732ea63 MT |
2274 | { |
2275 | uint8_t value = *(uint8_t *)opaque; | |
51e72bc1 | 2276 | visit_type_uint8(v, name, &value, errp); |
e732ea63 MT |
2277 | } |
2278 | ||
d7bce999 EB |
2279 | static void property_get_uint16_ptr(Object *obj, Visitor *v, const char *name, |
2280 | void *opaque, Error **errp) | |
e732ea63 MT |
2281 | { |
2282 | uint16_t value = *(uint16_t *)opaque; | |
51e72bc1 | 2283 | visit_type_uint16(v, name, &value, errp); |
e732ea63 MT |
2284 | } |
2285 | ||
d7bce999 EB |
2286 | static void property_get_uint32_ptr(Object *obj, Visitor *v, const char *name, |
2287 | void *opaque, Error **errp) | |
e732ea63 MT |
2288 | { |
2289 | uint32_t value = *(uint32_t *)opaque; | |
51e72bc1 | 2290 | visit_type_uint32(v, name, &value, errp); |
e732ea63 MT |
2291 | } |
2292 | ||
d7bce999 EB |
2293 | static void property_get_uint64_ptr(Object *obj, Visitor *v, const char *name, |
2294 | void *opaque, Error **errp) | |
e732ea63 MT |
2295 | { |
2296 | uint64_t value = *(uint64_t *)opaque; | |
51e72bc1 | 2297 | visit_type_uint64(v, name, &value, errp); |
e732ea63 MT |
2298 | } |
2299 | ||
2300 | void object_property_add_uint8_ptr(Object *obj, const char *name, | |
2301 | const uint8_t *v, Error **errp) | |
2302 | { | |
2303 | object_property_add(obj, name, "uint8", property_get_uint8_ptr, | |
2304 | NULL, NULL, (void *)v, errp); | |
2305 | } | |
2306 | ||
16bf7f52 DB |
2307 | void object_class_property_add_uint8_ptr(ObjectClass *klass, const char *name, |
2308 | const uint8_t *v, Error **errp) | |
2309 | { | |
2310 | object_class_property_add(klass, name, "uint8", property_get_uint8_ptr, | |
2311 | NULL, NULL, (void *)v, errp); | |
2312 | } | |
2313 | ||
e732ea63 MT |
2314 | void object_property_add_uint16_ptr(Object *obj, const char *name, |
2315 | const uint16_t *v, Error **errp) | |
2316 | { | |
2317 | object_property_add(obj, name, "uint16", property_get_uint16_ptr, | |
2318 | NULL, NULL, (void *)v, errp); | |
2319 | } | |
2320 | ||
16bf7f52 DB |
2321 | void object_class_property_add_uint16_ptr(ObjectClass *klass, const char *name, |
2322 | const uint16_t *v, Error **errp) | |
2323 | { | |
2324 | object_class_property_add(klass, name, "uint16", property_get_uint16_ptr, | |
2325 | NULL, NULL, (void *)v, errp); | |
2326 | } | |
2327 | ||
e732ea63 MT |
2328 | void object_property_add_uint32_ptr(Object *obj, const char *name, |
2329 | const uint32_t *v, Error **errp) | |
2330 | { | |
2331 | object_property_add(obj, name, "uint32", property_get_uint32_ptr, | |
2332 | NULL, NULL, (void *)v, errp); | |
2333 | } | |
2334 | ||
16bf7f52 DB |
2335 | void object_class_property_add_uint32_ptr(ObjectClass *klass, const char *name, |
2336 | const uint32_t *v, Error **errp) | |
2337 | { | |
2338 | object_class_property_add(klass, name, "uint32", property_get_uint32_ptr, | |
2339 | NULL, NULL, (void *)v, errp); | |
2340 | } | |
2341 | ||
e732ea63 MT |
2342 | void object_property_add_uint64_ptr(Object *obj, const char *name, |
2343 | const uint64_t *v, Error **errp) | |
2344 | { | |
2345 | object_property_add(obj, name, "uint64", property_get_uint64_ptr, | |
2346 | NULL, NULL, (void *)v, errp); | |
2347 | } | |
2348 | ||
16bf7f52 DB |
2349 | void object_class_property_add_uint64_ptr(ObjectClass *klass, const char *name, |
2350 | const uint64_t *v, Error **errp) | |
2351 | { | |
2352 | object_class_property_add(klass, name, "uint64", property_get_uint64_ptr, | |
2353 | NULL, NULL, (void *)v, errp); | |
2354 | } | |
2355 | ||
ef7c7ff6 SH |
2356 | typedef struct { |
2357 | Object *target_obj; | |
1590d266 | 2358 | char *target_name; |
ef7c7ff6 SH |
2359 | } AliasProperty; |
2360 | ||
d7bce999 EB |
2361 | static void property_get_alias(Object *obj, Visitor *v, const char *name, |
2362 | void *opaque, Error **errp) | |
ef7c7ff6 SH |
2363 | { |
2364 | AliasProperty *prop = opaque; | |
2365 | ||
2366 | object_property_get(prop->target_obj, v, prop->target_name, errp); | |
2367 | } | |
2368 | ||
d7bce999 EB |
2369 | static void property_set_alias(Object *obj, Visitor *v, const char *name, |
2370 | void *opaque, Error **errp) | |
ef7c7ff6 SH |
2371 | { |
2372 | AliasProperty *prop = opaque; | |
2373 | ||
2374 | object_property_set(prop->target_obj, v, prop->target_name, errp); | |
2375 | } | |
2376 | ||
64607d08 PB |
2377 | static Object *property_resolve_alias(Object *obj, void *opaque, |
2378 | const gchar *part) | |
2379 | { | |
2380 | AliasProperty *prop = opaque; | |
2381 | ||
2382 | return object_resolve_path_component(prop->target_obj, prop->target_name); | |
2383 | } | |
2384 | ||
ef7c7ff6 SH |
2385 | static void property_release_alias(Object *obj, const char *name, void *opaque) |
2386 | { | |
2387 | AliasProperty *prop = opaque; | |
2388 | ||
1590d266 | 2389 | g_free(prop->target_name); |
ef7c7ff6 SH |
2390 | g_free(prop); |
2391 | } | |
2392 | ||
2393 | void object_property_add_alias(Object *obj, const char *name, | |
2394 | Object *target_obj, const char *target_name, | |
2395 | Error **errp) | |
2396 | { | |
2397 | AliasProperty *prop; | |
64607d08 | 2398 | ObjectProperty *op; |
ef7c7ff6 | 2399 | ObjectProperty *target_prop; |
d190698e | 2400 | gchar *prop_type; |
8ae9a9ef | 2401 | Error *local_err = NULL; |
ef7c7ff6 SH |
2402 | |
2403 | target_prop = object_property_find(target_obj, target_name, errp); | |
2404 | if (!target_prop) { | |
2405 | return; | |
2406 | } | |
2407 | ||
d190698e PB |
2408 | if (object_property_is_child(target_prop)) { |
2409 | prop_type = g_strdup_printf("link%s", | |
2410 | target_prop->type + strlen("child")); | |
2411 | } else { | |
2412 | prop_type = g_strdup(target_prop->type); | |
2413 | } | |
2414 | ||
ef7c7ff6 SH |
2415 | prop = g_malloc(sizeof(*prop)); |
2416 | prop->target_obj = target_obj; | |
1590d266 | 2417 | prop->target_name = g_strdup(target_name); |
ef7c7ff6 | 2418 | |
d190698e | 2419 | op = object_property_add(obj, name, prop_type, |
64607d08 PB |
2420 | property_get_alias, |
2421 | property_set_alias, | |
2422 | property_release_alias, | |
8ae9a9ef GA |
2423 | prop, &local_err); |
2424 | if (local_err) { | |
2425 | error_propagate(errp, local_err); | |
2426 | g_free(prop); | |
2427 | goto out; | |
2428 | } | |
64607d08 | 2429 | op->resolve = property_resolve_alias; |
d190698e | 2430 | |
a18bb417 | 2431 | object_property_set_description(obj, op->name, |
80742642 GA |
2432 | target_prop->description, |
2433 | &error_abort); | |
2434 | ||
8ae9a9ef | 2435 | out: |
d190698e | 2436 | g_free(prop_type); |
ef7c7ff6 SH |
2437 | } |
2438 | ||
80742642 GA |
2439 | void object_property_set_description(Object *obj, const char *name, |
2440 | const char *description, Error **errp) | |
2441 | { | |
2442 | ObjectProperty *op; | |
2443 | ||
2444 | op = object_property_find(obj, name, errp); | |
2445 | if (!op) { | |
2446 | return; | |
2447 | } | |
2448 | ||
2449 | g_free(op->description); | |
2450 | op->description = g_strdup(description); | |
2451 | } | |
2452 | ||
16bf7f52 DB |
2453 | void object_class_property_set_description(ObjectClass *klass, |
2454 | const char *name, | |
2455 | const char *description, | |
2456 | Error **errp) | |
2457 | { | |
2458 | ObjectProperty *op; | |
2459 | ||
2460 | op = g_hash_table_lookup(klass->properties, name); | |
2461 | if (!op) { | |
2462 | error_setg(errp, "Property '.%s' not found", name); | |
2463 | return; | |
2464 | } | |
2465 | ||
2466 | g_free(op->description); | |
2467 | op->description = g_strdup(description); | |
2468 | } | |
2469 | ||
7439a036 | 2470 | static void object_class_init(ObjectClass *klass, void *data) |
2f262e06 | 2471 | { |
7439a036 MAL |
2472 | object_class_property_add_str(klass, "type", qdev_get_type, |
2473 | NULL, &error_abort); | |
2f262e06 PB |
2474 | } |
2475 | ||
745549c8 PB |
2476 | static void register_types(void) |
2477 | { | |
2478 | static TypeInfo interface_info = { | |
2479 | .name = TYPE_INTERFACE, | |
33e95c63 | 2480 | .class_size = sizeof(InterfaceClass), |
745549c8 PB |
2481 | .abstract = true, |
2482 | }; | |
2483 | ||
2484 | static TypeInfo object_info = { | |
2485 | .name = TYPE_OBJECT, | |
2486 | .instance_size = sizeof(Object), | |
7439a036 | 2487 | .class_init = object_class_init, |
745549c8 PB |
2488 | .abstract = true, |
2489 | }; | |
2490 | ||
049cb3cf PB |
2491 | type_interface = type_register_internal(&interface_info); |
2492 | type_register_internal(&object_info); | |
745549c8 PB |
2493 | } |
2494 | ||
2495 | type_init(register_types) |