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Commit | Line | Data |
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2f28d2ff AL |
1 | /* |
2 | * QEMU Object Model | |
3 | * | |
4 | * Copyright IBM, Corp. 2011 | |
5 | * | |
6 | * Authors: | |
7 | * Anthony Liguori <aliguori@us.ibm.com> | |
8 | * | |
9 | * This work is licensed under the terms of the GNU GPL, version 2 or later. | |
10 | * See the COPYING file in the top-level directory. | |
11 | */ | |
12 | ||
9bbc853b | 13 | #include "qemu/osdep.h" |
13d4ff07 | 14 | #include "hw/qdev-core.h" |
da34e65c | 15 | #include "qapi/error.h" |
14cccb61 | 16 | #include "qom/object.h" |
a31bdae5 | 17 | #include "qom/object_interfaces.h" |
f348b6d1 | 18 | #include "qemu/cutils.h" |
5df022cf | 19 | #include "qemu/memalign.h" |
7b1b5d19 | 20 | #include "qapi/visitor.h" |
b2cd7dee PB |
21 | #include "qapi/string-input-visitor.h" |
22 | #include "qapi/string-output-visitor.h" | |
0e76ed0a | 23 | #include "qapi/qobject-input-visitor.h" |
cbc94d97 | 24 | #include "qapi/forward-visitor.h" |
eb815e24 | 25 | #include "qapi/qapi-builtin-visit.h" |
7b1b5d19 | 26 | #include "qapi/qmp/qerror.h" |
0e76ed0a | 27 | #include "qapi/qmp/qjson.h" |
fa131d94 | 28 | #include "trace.h" |
2f28d2ff | 29 | |
7b7b7d18 PB |
30 | /* TODO: replace QObject with a simpler visitor to avoid a dependency |
31 | * of the QOM core on QObject? */ | |
14cccb61 | 32 | #include "qom/qom-qobject.h" |
7b1b5d19 | 33 | #include "qapi/qmp/qbool.h" |
125062e7 | 34 | #include "qapi/qmp/qlist.h" |
15280c36 | 35 | #include "qapi/qmp/qnum.h" |
7b1b5d19 | 36 | #include "qapi/qmp/qstring.h" |
e02bdf1c | 37 | #include "qemu/error-report.h" |
7b7b7d18 | 38 | |
2f28d2ff AL |
39 | #define MAX_INTERFACES 32 |
40 | ||
41 | typedef struct InterfaceImpl InterfaceImpl; | |
42 | typedef struct TypeImpl TypeImpl; | |
43 | ||
44 | struct InterfaceImpl | |
45 | { | |
33e95c63 | 46 | const char *typename; |
2f28d2ff AL |
47 | }; |
48 | ||
49 | struct TypeImpl | |
50 | { | |
51 | const char *name; | |
52 | ||
53 | size_t class_size; | |
54 | ||
55 | size_t instance_size; | |
4c880f36 | 56 | size_t instance_align; |
2f28d2ff AL |
57 | |
58 | void (*class_init)(ObjectClass *klass, void *data); | |
3b50e311 | 59 | void (*class_base_init)(ObjectClass *klass, void *data); |
2f28d2ff AL |
60 | |
61 | void *class_data; | |
62 | ||
63 | void (*instance_init)(Object *obj); | |
8231c2dd | 64 | void (*instance_post_init)(Object *obj); |
2f28d2ff AL |
65 | void (*instance_finalize)(Object *obj); |
66 | ||
67 | bool abstract; | |
68 | ||
69 | const char *parent; | |
70 | TypeImpl *parent_type; | |
71 | ||
72 | ObjectClass *class; | |
73 | ||
74 | int num_interfaces; | |
75 | InterfaceImpl interfaces[MAX_INTERFACES]; | |
76 | }; | |
77 | ||
9970bd88 PB |
78 | static Type type_interface; |
79 | ||
2f28d2ff AL |
80 | static GHashTable *type_table_get(void) |
81 | { | |
82 | static GHashTable *type_table; | |
83 | ||
84 | if (type_table == NULL) { | |
85 | type_table = g_hash_table_new(g_str_hash, g_str_equal); | |
86 | } | |
87 | ||
88 | return type_table; | |
89 | } | |
90 | ||
f54c19ca HP |
91 | static bool enumerating_types; |
92 | ||
2f28d2ff AL |
93 | static void type_table_add(TypeImpl *ti) |
94 | { | |
f54c19ca | 95 | assert(!enumerating_types); |
2f28d2ff AL |
96 | g_hash_table_insert(type_table_get(), (void *)ti->name, ti); |
97 | } | |
98 | ||
99 | static TypeImpl *type_table_lookup(const char *name) | |
100 | { | |
101 | return g_hash_table_lookup(type_table_get(), name); | |
102 | } | |
103 | ||
b061dc41 | 104 | static TypeImpl *type_new(const TypeInfo *info) |
2f28d2ff AL |
105 | { |
106 | TypeImpl *ti = g_malloc0(sizeof(*ti)); | |
33e95c63 | 107 | int i; |
2f28d2ff AL |
108 | |
109 | g_assert(info->name != NULL); | |
110 | ||
73093354 AL |
111 | if (type_table_lookup(info->name) != NULL) { |
112 | fprintf(stderr, "Registering `%s' which already exists\n", info->name); | |
113 | abort(); | |
114 | } | |
115 | ||
2f28d2ff AL |
116 | ti->name = g_strdup(info->name); |
117 | ti->parent = g_strdup(info->parent); | |
118 | ||
119 | ti->class_size = info->class_size; | |
120 | ti->instance_size = info->instance_size; | |
4c880f36 | 121 | ti->instance_align = info->instance_align; |
2f28d2ff AL |
122 | |
123 | ti->class_init = info->class_init; | |
3b50e311 | 124 | ti->class_base_init = info->class_base_init; |
2f28d2ff AL |
125 | ti->class_data = info->class_data; |
126 | ||
127 | ti->instance_init = info->instance_init; | |
8231c2dd | 128 | ti->instance_post_init = info->instance_post_init; |
2f28d2ff AL |
129 | ti->instance_finalize = info->instance_finalize; |
130 | ||
131 | ti->abstract = info->abstract; | |
132 | ||
33e95c63 AL |
133 | for (i = 0; info->interfaces && info->interfaces[i].type; i++) { |
134 | ti->interfaces[i].typename = g_strdup(info->interfaces[i].type); | |
2f28d2ff | 135 | } |
33e95c63 | 136 | ti->num_interfaces = i; |
2f28d2ff | 137 | |
b061dc41 PB |
138 | return ti; |
139 | } | |
2f28d2ff | 140 | |
b447378e TH |
141 | static bool type_name_is_valid(const char *name) |
142 | { | |
143 | const int slen = strlen(name); | |
144 | int plen; | |
145 | ||
146 | g_assert(slen > 1); | |
147 | ||
148 | /* | |
149 | * Ideally, the name should start with a letter - however, we've got | |
150 | * too many names starting with a digit already, so allow digits here, | |
151 | * too (except '0' which is not used yet) | |
152 | */ | |
153 | if (!g_ascii_isalnum(name[0]) || name[0] == '0') { | |
154 | return false; | |
155 | } | |
156 | ||
157 | plen = strspn(name, "abcdefghijklmnopqrstuvwxyz" | |
158 | "ABCDEFGHIJKLMNOPQRSTUVWXYZ" | |
159 | "0123456789-_."); | |
160 | ||
161 | /* Allow some legacy names with '+' in it for compatibility reasons */ | |
162 | if (name[plen] == '+') { | |
b447378e TH |
163 | if (plen >= 17 && g_str_has_prefix(name, "Sun-UltraSparc-I")) { |
164 | /* Allow "Sun-UltraSparc-IV+" and "Sun-UltraSparc-IIIi+" */ | |
165 | return true; | |
166 | } | |
167 | } | |
168 | ||
169 | return plen == slen; | |
170 | } | |
171 | ||
b061dc41 PB |
172 | static TypeImpl *type_register_internal(const TypeInfo *info) |
173 | { | |
174 | TypeImpl *ti; | |
b447378e TH |
175 | |
176 | if (!type_name_is_valid(info->name)) { | |
177 | fprintf(stderr, "Registering '%s' with illegal type name\n", info->name); | |
178 | abort(); | |
179 | } | |
180 | ||
b061dc41 PB |
181 | ti = type_new(info); |
182 | ||
183 | type_table_add(ti); | |
2f28d2ff AL |
184 | return ti; |
185 | } | |
186 | ||
049cb3cf PB |
187 | TypeImpl *type_register(const TypeInfo *info) |
188 | { | |
189 | assert(info->parent); | |
190 | return type_register_internal(info); | |
191 | } | |
192 | ||
2f28d2ff AL |
193 | TypeImpl *type_register_static(const TypeInfo *info) |
194 | { | |
195 | return type_register(info); | |
196 | } | |
197 | ||
aa04c9d2 IM |
198 | void type_register_static_array(const TypeInfo *infos, int nr_infos) |
199 | { | |
200 | int i; | |
201 | ||
202 | for (i = 0; i < nr_infos; i++) { | |
203 | type_register_static(&infos[i]); | |
204 | } | |
205 | } | |
206 | ||
2f28d2ff AL |
207 | static TypeImpl *type_get_by_name(const char *name) |
208 | { | |
209 | if (name == NULL) { | |
210 | return NULL; | |
211 | } | |
212 | ||
213 | return type_table_lookup(name); | |
214 | } | |
215 | ||
216 | static TypeImpl *type_get_parent(TypeImpl *type) | |
217 | { | |
218 | if (!type->parent_type && type->parent) { | |
219 | type->parent_type = type_get_by_name(type->parent); | |
89d337fd PMD |
220 | if (!type->parent_type) { |
221 | fprintf(stderr, "Type '%s' is missing its parent '%s'\n", | |
222 | type->name, type->parent); | |
223 | abort(); | |
224 | } | |
2f28d2ff AL |
225 | } |
226 | ||
227 | return type->parent_type; | |
228 | } | |
229 | ||
230 | static bool type_has_parent(TypeImpl *type) | |
231 | { | |
232 | return (type->parent != NULL); | |
233 | } | |
234 | ||
235 | static size_t type_class_get_size(TypeImpl *ti) | |
236 | { | |
237 | if (ti->class_size) { | |
238 | return ti->class_size; | |
239 | } | |
240 | ||
241 | if (type_has_parent(ti)) { | |
242 | return type_class_get_size(type_get_parent(ti)); | |
243 | } | |
244 | ||
245 | return sizeof(ObjectClass); | |
246 | } | |
247 | ||
aca59af6 IM |
248 | static size_t type_object_get_size(TypeImpl *ti) |
249 | { | |
250 | if (ti->instance_size) { | |
251 | return ti->instance_size; | |
252 | } | |
253 | ||
254 | if (type_has_parent(ti)) { | |
255 | return type_object_get_size(type_get_parent(ti)); | |
256 | } | |
257 | ||
258 | return 0; | |
259 | } | |
260 | ||
ad4ec279 RH |
261 | static size_t type_object_get_align(TypeImpl *ti) |
262 | { | |
263 | if (ti->instance_align) { | |
264 | return ti->instance_align; | |
265 | } | |
266 | ||
267 | if (type_has_parent(ti)) { | |
268 | return type_object_get_align(type_get_parent(ti)); | |
269 | } | |
270 | ||
271 | return 0; | |
272 | } | |
273 | ||
3f97b53a BR |
274 | size_t object_type_get_instance_size(const char *typename) |
275 | { | |
276 | TypeImpl *type = type_get_by_name(typename); | |
277 | ||
278 | g_assert(type != NULL); | |
279 | return type_object_get_size(type); | |
280 | } | |
281 | ||
33e95c63 | 282 | static bool type_is_ancestor(TypeImpl *type, TypeImpl *target_type) |
2f28d2ff | 283 | { |
33e95c63 AL |
284 | assert(target_type); |
285 | ||
b30d8054 | 286 | /* Check if target_type is a direct ancestor of type */ |
33e95c63 AL |
287 | while (type) { |
288 | if (type == target_type) { | |
289 | return true; | |
290 | } | |
2f28d2ff | 291 | |
33e95c63 AL |
292 | type = type_get_parent(type); |
293 | } | |
294 | ||
295 | return false; | |
296 | } | |
297 | ||
298 | static void type_initialize(TypeImpl *ti); | |
299 | ||
b061dc41 PB |
300 | static void type_initialize_interface(TypeImpl *ti, TypeImpl *interface_type, |
301 | TypeImpl *parent_type) | |
33e95c63 AL |
302 | { |
303 | InterfaceClass *new_iface; | |
304 | TypeInfo info = { }; | |
305 | TypeImpl *iface_impl; | |
306 | ||
b061dc41 PB |
307 | info.parent = parent_type->name; |
308 | info.name = g_strdup_printf("%s::%s", ti->name, interface_type->name); | |
33e95c63 AL |
309 | info.abstract = true; |
310 | ||
b061dc41 PB |
311 | iface_impl = type_new(&info); |
312 | iface_impl->parent_type = parent_type; | |
33e95c63 AL |
313 | type_initialize(iface_impl); |
314 | g_free((char *)info.name); | |
315 | ||
316 | new_iface = (InterfaceClass *)iface_impl->class; | |
317 | new_iface->concrete_class = ti->class; | |
b061dc41 | 318 | new_iface->interface_type = interface_type; |
33e95c63 | 319 | |
3d91293e | 320 | ti->class->interfaces = g_slist_append(ti->class->interfaces, new_iface); |
2f28d2ff AL |
321 | } |
322 | ||
16bf7f52 DB |
323 | static void object_property_free(gpointer data) |
324 | { | |
325 | ObjectProperty *prop = data; | |
326 | ||
0e76ed0a MAL |
327 | if (prop->defval) { |
328 | qobject_unref(prop->defval); | |
329 | prop->defval = NULL; | |
330 | } | |
16bf7f52 DB |
331 | g_free(prop->name); |
332 | g_free(prop->type); | |
333 | g_free(prop->description); | |
334 | g_free(prop); | |
335 | } | |
336 | ||
ac451033 | 337 | static void type_initialize(TypeImpl *ti) |
2f28d2ff | 338 | { |
745549c8 | 339 | TypeImpl *parent; |
2f28d2ff AL |
340 | |
341 | if (ti->class) { | |
342 | return; | |
343 | } | |
344 | ||
345 | ti->class_size = type_class_get_size(ti); | |
aca59af6 | 346 | ti->instance_size = type_object_get_size(ti); |
ad4ec279 | 347 | ti->instance_align = type_object_get_align(ti); |
1c6d75d5 EH |
348 | /* Any type with zero instance_size is implicitly abstract. |
349 | * This means interface types are all abstract. | |
350 | */ | |
351 | if (ti->instance_size == 0) { | |
352 | ti->abstract = true; | |
353 | } | |
422ca143 MAL |
354 | if (type_is_ancestor(ti, type_interface)) { |
355 | assert(ti->instance_size == 0); | |
356 | assert(ti->abstract); | |
357 | assert(!ti->instance_init); | |
358 | assert(!ti->instance_post_init); | |
359 | assert(!ti->instance_finalize); | |
360 | assert(!ti->num_interfaces); | |
361 | } | |
2f28d2ff | 362 | ti->class = g_malloc0(ti->class_size); |
2f28d2ff | 363 | |
745549c8 PB |
364 | parent = type_get_parent(ti); |
365 | if (parent) { | |
ac451033 | 366 | type_initialize(parent); |
33e95c63 AL |
367 | GSList *e; |
368 | int i; | |
2f28d2ff | 369 | |
719a3077 | 370 | g_assert(parent->class_size <= ti->class_size); |
d5e633fc | 371 | g_assert(parent->instance_size <= ti->instance_size); |
745549c8 | 372 | memcpy(ti->class, parent->class, parent->class_size); |
3e407de4 | 373 | ti->class->interfaces = NULL; |
33e95c63 AL |
374 | |
375 | for (e = parent->class->interfaces; e; e = e->next) { | |
b061dc41 PB |
376 | InterfaceClass *iface = e->data; |
377 | ObjectClass *klass = OBJECT_CLASS(iface); | |
378 | ||
379 | type_initialize_interface(ti, iface->interface_type, klass->type); | |
33e95c63 AL |
380 | } |
381 | ||
382 | for (i = 0; i < ti->num_interfaces; i++) { | |
383 | TypeImpl *t = type_get_by_name(ti->interfaces[i].typename); | |
a9ee3a9e PMD |
384 | if (!t) { |
385 | error_report("missing interface '%s' for object '%s'", | |
386 | ti->interfaces[i].typename, parent->name); | |
387 | abort(); | |
388 | } | |
33e95c63 AL |
389 | for (e = ti->class->interfaces; e; e = e->next) { |
390 | TypeImpl *target_type = OBJECT_CLASS(e->data)->type; | |
391 | ||
392 | if (type_is_ancestor(target_type, t)) { | |
393 | break; | |
394 | } | |
395 | } | |
396 | ||
397 | if (e) { | |
398 | continue; | |
399 | } | |
400 | ||
b061dc41 | 401 | type_initialize_interface(ti, t, t); |
33e95c63 | 402 | } |
745549c8 | 403 | } |
2f28d2ff | 404 | |
e5a0cc5e MY |
405 | ti->class->properties = g_hash_table_new_full(g_str_hash, g_str_equal, NULL, |
406 | object_property_free); | |
407 | ||
745549c8 | 408 | ti->class->type = ti; |
3b50e311 | 409 | |
745549c8 PB |
410 | while (parent) { |
411 | if (parent->class_base_init) { | |
412 | parent->class_base_init(ti->class, ti->class_data); | |
3b50e311 | 413 | } |
745549c8 | 414 | parent = type_get_parent(parent); |
2f28d2ff AL |
415 | } |
416 | ||
2f28d2ff AL |
417 | if (ti->class_init) { |
418 | ti->class_init(ti->class, ti->class_data); | |
419 | } | |
2f28d2ff AL |
420 | } |
421 | ||
422 | static void object_init_with_type(Object *obj, TypeImpl *ti) | |
423 | { | |
2f28d2ff AL |
424 | if (type_has_parent(ti)) { |
425 | object_init_with_type(obj, type_get_parent(ti)); | |
426 | } | |
427 | ||
2f28d2ff AL |
428 | if (ti->instance_init) { |
429 | ti->instance_init(obj); | |
430 | } | |
431 | } | |
432 | ||
8231c2dd EH |
433 | static void object_post_init_with_type(Object *obj, TypeImpl *ti) |
434 | { | |
435 | if (ti->instance_post_init) { | |
436 | ti->instance_post_init(obj); | |
437 | } | |
438 | ||
439 | if (type_has_parent(ti)) { | |
440 | object_post_init_with_type(obj, type_get_parent(ti)); | |
441 | } | |
442 | } | |
443 | ||
6fd5bef1 MA |
444 | bool object_apply_global_props(Object *obj, const GPtrArray *props, |
445 | Error **errp) | |
ea9ce893 | 446 | { |
ea9ce893 MAL |
447 | int i; |
448 | ||
449 | if (!props) { | |
6fd5bef1 | 450 | return true; |
ea9ce893 MAL |
451 | } |
452 | ||
453 | for (i = 0; i < props->len; i++) { | |
454 | GlobalProperty *p = g_ptr_array_index(props, i); | |
d769f0df | 455 | Error *err = NULL; |
ea9ce893 MAL |
456 | |
457 | if (object_dynamic_cast(obj, p->driver) == NULL) { | |
458 | continue; | |
459 | } | |
efba1595 | 460 | if (p->optional && !object_property_find(obj, p->property)) { |
92fd453c DDAG |
461 | continue; |
462 | } | |
ea9ce893 | 463 | p->used = true; |
778a2dc5 | 464 | if (!object_property_parse(obj, p->property, p->value, &err)) { |
ea9ce893 MAL |
465 | error_prepend(&err, "can't apply global %s.%s=%s: ", |
466 | p->driver, p->property, p->value); | |
50545b2c MAL |
467 | /* |
468 | * If errp != NULL, propagate error and return. | |
469 | * If errp == NULL, report a warning, but keep going | |
470 | * with the remaining globals. | |
471 | */ | |
472 | if (errp) { | |
473 | error_propagate(errp, err); | |
6fd5bef1 | 474 | return false; |
50545b2c MAL |
475 | } else { |
476 | warn_report_err(err); | |
477 | } | |
ea9ce893 MAL |
478 | } |
479 | } | |
6fd5bef1 MA |
480 | |
481 | return true; | |
ea9ce893 MAL |
482 | } |
483 | ||
617902af MA |
484 | /* |
485 | * Global property defaults | |
486 | * Slot 0: accelerator's global property defaults | |
487 | * Slot 1: machine's global property defaults | |
1fff3c20 | 488 | * Slot 2: global properties from legacy command line option |
617902af MA |
489 | * Each is a GPtrArray of of GlobalProperty. |
490 | * Applied in order, later entries override earlier ones. | |
491 | */ | |
1fff3c20 PB |
492 | static GPtrArray *object_compat_props[3]; |
493 | ||
494 | /* | |
495 | * Retrieve @GPtrArray for global property defined with options | |
496 | * other than "-global". These are generally used for syntactic | |
497 | * sugar and legacy command line options. | |
498 | */ | |
a8dc82ce GK |
499 | void object_register_sugar_prop(const char *driver, const char *prop, |
500 | const char *value, bool optional) | |
1fff3c20 PB |
501 | { |
502 | GlobalProperty *g; | |
503 | if (!object_compat_props[2]) { | |
504 | object_compat_props[2] = g_ptr_array_new(); | |
505 | } | |
506 | g = g_new0(GlobalProperty, 1); | |
507 | g->driver = g_strdup(driver); | |
508 | g->property = g_strdup(prop); | |
509 | g->value = g_strdup(value); | |
a8dc82ce | 510 | g->optional = optional; |
1fff3c20 PB |
511 | g_ptr_array_add(object_compat_props[2], g); |
512 | } | |
617902af MA |
513 | |
514 | /* | |
515 | * Set machine's global property defaults to @compat_props. | |
516 | * May be called at most once. | |
517 | */ | |
518 | void object_set_machine_compat_props(GPtrArray *compat_props) | |
519 | { | |
520 | assert(!object_compat_props[1]); | |
521 | object_compat_props[1] = compat_props; | |
522 | } | |
523 | ||
524 | /* | |
525 | * Set accelerator's global property defaults to @compat_props. | |
526 | * May be called at most once. | |
527 | */ | |
528 | void object_set_accelerator_compat_props(GPtrArray *compat_props) | |
529 | { | |
530 | assert(!object_compat_props[0]); | |
531 | object_compat_props[0] = compat_props; | |
532 | } | |
533 | ||
534 | void object_apply_compat_props(Object *obj) | |
535 | { | |
536 | int i; | |
537 | ||
538 | for (i = 0; i < ARRAY_SIZE(object_compat_props); i++) { | |
539 | object_apply_global_props(obj, object_compat_props[i], | |
1fff3c20 | 540 | i == 2 ? &error_fatal : &error_abort); |
617902af MA |
541 | } |
542 | } | |
543 | ||
2a1be4b3 MAL |
544 | static void object_class_property_init_all(Object *obj) |
545 | { | |
546 | ObjectPropertyIterator iter; | |
547 | ObjectProperty *prop; | |
548 | ||
549 | object_class_property_iter_init(&iter, object_get_class(obj)); | |
550 | while ((prop = object_property_iter_next(&iter))) { | |
551 | if (prop->init) { | |
552 | prop->init(obj, prop); | |
553 | } | |
554 | } | |
555 | } | |
556 | ||
e27a9595 | 557 | static void object_initialize_with_type(Object *obj, size_t size, TypeImpl *type) |
2f28d2ff | 558 | { |
ac451033 | 559 | type_initialize(type); |
aca59af6 | 560 | |
719a3077 | 561 | g_assert(type->instance_size >= sizeof(Object)); |
2f28d2ff | 562 | g_assert(type->abstract == false); |
719a3077 | 563 | g_assert(size >= type->instance_size); |
2f28d2ff AL |
564 | |
565 | memset(obj, 0, type->instance_size); | |
566 | obj->class = type->class; | |
764b6312 | 567 | object_ref(obj); |
2a1be4b3 | 568 | object_class_property_init_all(obj); |
b604a854 PF |
569 | obj->properties = g_hash_table_new_full(g_str_hash, g_str_equal, |
570 | NULL, object_property_free); | |
2f28d2ff | 571 | object_init_with_type(obj, type); |
8231c2dd | 572 | object_post_init_with_type(obj, type); |
2f28d2ff AL |
573 | } |
574 | ||
213f0c4f | 575 | void object_initialize(void *data, size_t size, const char *typename) |
2f28d2ff AL |
576 | { |
577 | TypeImpl *type = type_get_by_name(typename); | |
578 | ||
64f7aece GH |
579 | #ifdef CONFIG_MODULES |
580 | if (!type) { | |
c551fb0b CF |
581 | int rv = module_load_qom(typename, &error_fatal); |
582 | if (rv > 0) { | |
583 | type = type_get_by_name(typename); | |
584 | } else { | |
585 | error_report("missing object type '%s'", typename); | |
586 | exit(1); | |
587 | } | |
64f7aece GH |
588 | } |
589 | #endif | |
e02bdf1c PMD |
590 | if (!type) { |
591 | error_report("missing object type '%s'", typename); | |
592 | abort(); | |
593 | } | |
594 | ||
5b9237f6 | 595 | object_initialize_with_type(data, size, type); |
2f28d2ff AL |
596 | } |
597 | ||
6fd5bef1 MA |
598 | bool object_initialize_child_with_props(Object *parentobj, |
599 | const char *propname, | |
600 | void *childobj, size_t size, | |
601 | const char *type, | |
602 | Error **errp, ...) | |
0210b39d TH |
603 | { |
604 | va_list vargs; | |
6fd5bef1 | 605 | bool ok; |
0210b39d TH |
606 | |
607 | va_start(vargs, errp); | |
6fd5bef1 MA |
608 | ok = object_initialize_child_with_propsv(parentobj, propname, |
609 | childobj, size, type, errp, | |
610 | vargs); | |
0210b39d | 611 | va_end(vargs); |
6fd5bef1 | 612 | return ok; |
0210b39d TH |
613 | } |
614 | ||
6fd5bef1 MA |
615 | bool object_initialize_child_with_propsv(Object *parentobj, |
616 | const char *propname, | |
617 | void *childobj, size_t size, | |
618 | const char *type, | |
619 | Error **errp, va_list vargs) | |
0210b39d | 620 | { |
6fd5bef1 | 621 | bool ok = false; |
0210b39d | 622 | Object *obj; |
3650b2de | 623 | UserCreatable *uc; |
0210b39d TH |
624 | |
625 | object_initialize(childobj, size, type); | |
626 | obj = OBJECT(childobj); | |
627 | ||
b783f54d | 628 | if (!object_set_propv(obj, errp, vargs)) { |
0210b39d TH |
629 | goto out; |
630 | } | |
631 | ||
d2623129 | 632 | object_property_add_child(parentobj, propname, obj); |
0210b39d | 633 | |
3650b2de MAL |
634 | uc = (UserCreatable *)object_dynamic_cast(obj, TYPE_USER_CREATABLE); |
635 | if (uc) { | |
992861fb | 636 | if (!user_creatable_complete(uc, errp)) { |
0210b39d TH |
637 | object_unparent(obj); |
638 | goto out; | |
639 | } | |
640 | } | |
641 | ||
6fd5bef1 MA |
642 | ok = true; |
643 | ||
975ac455 | 644 | out: |
0210b39d | 645 | /* |
975ac455 MA |
646 | * We want @obj's reference to be 1 on success, 0 on failure. |
647 | * On success, it's 2: one taken by object_initialize(), and one | |
648 | * by object_property_add_child(). | |
649 | * On failure in object_initialize() or earlier, it's 1. | |
650 | * On failure afterwards, it's also 1: object_unparent() releases | |
651 | * the reference taken by object_property_add_child(). | |
0210b39d TH |
652 | */ |
653 | object_unref(obj); | |
6fd5bef1 | 654 | return ok; |
0210b39d TH |
655 | } |
656 | ||
9fc7fc4d MA |
657 | void object_initialize_child_internal(Object *parent, |
658 | const char *propname, | |
659 | void *child, size_t size, | |
660 | const char *type) | |
661 | { | |
662 | object_initialize_child_with_props(parent, propname, child, size, type, | |
663 | &error_abort, NULL); | |
664 | } | |
665 | ||
5d9d3f47 AF |
666 | static inline bool object_property_is_child(ObjectProperty *prop) |
667 | { | |
668 | return strstart(prop->type, "child<", NULL); | |
669 | } | |
670 | ||
57c9fafe AL |
671 | static void object_property_del_all(Object *obj) |
672 | { | |
9859facc | 673 | g_autoptr(GHashTable) done = g_hash_table_new(NULL, NULL); |
b604a854 | 674 | ObjectProperty *prop; |
9859facc | 675 | ObjectPropertyIterator iter; |
b604a854 PF |
676 | bool released; |
677 | ||
678 | do { | |
679 | released = false; | |
9859facc MAL |
680 | object_property_iter_init(&iter, obj); |
681 | while ((prop = object_property_iter_next(&iter)) != NULL) { | |
682 | if (g_hash_table_add(done, prop)) { | |
683 | if (prop->release) { | |
684 | prop->release(obj, prop->name, prop->opaque); | |
685 | released = true; | |
686 | break; | |
687 | } | |
b604a854 | 688 | } |
57c9fafe | 689 | } |
b604a854 | 690 | } while (released); |
57c9fafe | 691 | |
b604a854 | 692 | g_hash_table_unref(obj->properties); |
57c9fafe AL |
693 | } |
694 | ||
f73a32a5 | 695 | static void object_property_del_child(Object *obj, Object *child) |
57c9fafe AL |
696 | { |
697 | ObjectProperty *prop; | |
b604a854 PF |
698 | GHashTableIter iter; |
699 | gpointer key, value; | |
57c9fafe | 700 | |
b604a854 PF |
701 | g_hash_table_iter_init(&iter, obj->properties); |
702 | while (g_hash_table_iter_next(&iter, &key, &value)) { | |
703 | prop = value; | |
704 | if (object_property_is_child(prop) && prop->opaque == child) { | |
705 | if (prop->release) { | |
706 | prop->release(obj, prop->name, prop->opaque); | |
707 | prop->release = NULL; | |
708 | } | |
709 | break; | |
710 | } | |
711 | } | |
712 | g_hash_table_iter_init(&iter, obj->properties); | |
713 | while (g_hash_table_iter_next(&iter, &key, &value)) { | |
714 | prop = value; | |
5d9d3f47 | 715 | if (object_property_is_child(prop) && prop->opaque == child) { |
b604a854 | 716 | g_hash_table_iter_remove(&iter); |
6c1fdcf9 | 717 | break; |
57c9fafe AL |
718 | } |
719 | } | |
720 | } | |
721 | ||
722 | void object_unparent(Object *obj) | |
723 | { | |
e998fa8d | 724 | if (obj->parent) { |
f73a32a5 | 725 | object_property_del_child(obj->parent, obj); |
e998fa8d | 726 | } |
57c9fafe AL |
727 | } |
728 | ||
2f28d2ff AL |
729 | static void object_deinit(Object *obj, TypeImpl *type) |
730 | { | |
731 | if (type->instance_finalize) { | |
732 | type->instance_finalize(obj); | |
733 | } | |
734 | ||
2f28d2ff AL |
735 | if (type_has_parent(type)) { |
736 | object_deinit(obj, type_get_parent(type)); | |
737 | } | |
738 | } | |
739 | ||
339c2708 | 740 | static void object_finalize(void *data) |
2f28d2ff AL |
741 | { |
742 | Object *obj = data; | |
743 | TypeImpl *ti = obj->class->type; | |
744 | ||
57c9fafe | 745 | object_property_del_all(obj); |
76a6e1cc | 746 | object_deinit(obj, ti); |
db85b575 | 747 | |
719a3077 | 748 | g_assert(obj->ref == 0); |
63f957ac | 749 | g_assert(obj->parent == NULL); |
fde9bf44 PB |
750 | if (obj->free) { |
751 | obj->free(obj); | |
752 | } | |
2f28d2ff AL |
753 | } |
754 | ||
4c880f36 RH |
755 | /* Find the minimum alignment guaranteed by the system malloc. */ |
756 | #if __STDC_VERSION__ >= 201112L | |
3a2e982d | 757 | typedef max_align_t qemu_max_align_t; |
4c880f36 RH |
758 | #else |
759 | typedef union { | |
760 | long l; | |
761 | void *p; | |
762 | double d; | |
763 | long double ld; | |
764 | } qemu_max_align_t; | |
765 | #endif | |
766 | ||
63f7b10b | 767 | static Object *object_new_with_type(Type type) |
2f28d2ff AL |
768 | { |
769 | Object *obj; | |
4c880f36 RH |
770 | size_t size, align; |
771 | void (*obj_free)(void *); | |
2f28d2ff AL |
772 | |
773 | g_assert(type != NULL); | |
ac451033 | 774 | type_initialize(type); |
2f28d2ff | 775 | |
4c880f36 RH |
776 | size = type->instance_size; |
777 | align = type->instance_align; | |
778 | ||
779 | /* | |
780 | * Do not use qemu_memalign unless required. Depending on the | |
781 | * implementation, extra alignment implies extra overhead. | |
782 | */ | |
783 | if (likely(align <= __alignof__(qemu_max_align_t))) { | |
784 | obj = g_malloc(size); | |
785 | obj_free = g_free; | |
786 | } else { | |
787 | obj = qemu_memalign(align, size); | |
788 | obj_free = qemu_vfree; | |
789 | } | |
790 | ||
791 | object_initialize_with_type(obj, size, type); | |
792 | obj->free = obj_free; | |
2f28d2ff AL |
793 | |
794 | return obj; | |
795 | } | |
796 | ||
3c75e12e PB |
797 | Object *object_new_with_class(ObjectClass *klass) |
798 | { | |
799 | return object_new_with_type(klass->type); | |
800 | } | |
801 | ||
2f28d2ff AL |
802 | Object *object_new(const char *typename) |
803 | { | |
804 | TypeImpl *ti = type_get_by_name(typename); | |
805 | ||
806 | return object_new_with_type(ti); | |
807 | } | |
808 | ||
a31bdae5 DB |
809 | |
810 | Object *object_new_with_props(const char *typename, | |
811 | Object *parent, | |
812 | const char *id, | |
813 | Error **errp, | |
814 | ...) | |
815 | { | |
816 | va_list vargs; | |
817 | Object *obj; | |
818 | ||
819 | va_start(vargs, errp); | |
820 | obj = object_new_with_propv(typename, parent, id, errp, vargs); | |
821 | va_end(vargs); | |
822 | ||
823 | return obj; | |
824 | } | |
825 | ||
826 | ||
827 | Object *object_new_with_propv(const char *typename, | |
828 | Object *parent, | |
829 | const char *id, | |
830 | Error **errp, | |
831 | va_list vargs) | |
832 | { | |
833 | Object *obj; | |
834 | ObjectClass *klass; | |
3650b2de | 835 | UserCreatable *uc; |
a31bdae5 DB |
836 | |
837 | klass = object_class_by_name(typename); | |
838 | if (!klass) { | |
839 | error_setg(errp, "invalid object type: %s", typename); | |
840 | return NULL; | |
841 | } | |
842 | ||
843 | if (object_class_is_abstract(klass)) { | |
844 | error_setg(errp, "object type '%s' is abstract", typename); | |
845 | return NULL; | |
846 | } | |
66e1155a | 847 | obj = object_new_with_type(klass->type); |
a31bdae5 | 848 | |
b783f54d | 849 | if (!object_set_propv(obj, errp, vargs)) { |
a31bdae5 DB |
850 | goto error; |
851 | } | |
852 | ||
6134d752 | 853 | if (id != NULL) { |
d2623129 | 854 | object_property_add_child(parent, id, obj); |
a31bdae5 DB |
855 | } |
856 | ||
3650b2de MAL |
857 | uc = (UserCreatable *)object_dynamic_cast(obj, TYPE_USER_CREATABLE); |
858 | if (uc) { | |
992861fb | 859 | if (!user_creatable_complete(uc, errp)) { |
6134d752 DB |
860 | if (id != NULL) { |
861 | object_unparent(obj); | |
862 | } | |
a31bdae5 DB |
863 | goto error; |
864 | } | |
865 | } | |
866 | ||
688ffbb4 | 867 | object_unref(obj); |
a31bdae5 DB |
868 | return obj; |
869 | ||
870 | error: | |
a31bdae5 DB |
871 | object_unref(obj); |
872 | return NULL; | |
873 | } | |
874 | ||
875 | ||
b783f54d | 876 | bool object_set_props(Object *obj, |
a31bdae5 DB |
877 | Error **errp, |
878 | ...) | |
879 | { | |
880 | va_list vargs; | |
b783f54d | 881 | bool ret; |
a31bdae5 DB |
882 | |
883 | va_start(vargs, errp); | |
884 | ret = object_set_propv(obj, errp, vargs); | |
885 | va_end(vargs); | |
886 | ||
887 | return ret; | |
888 | } | |
889 | ||
890 | ||
b783f54d | 891 | bool object_set_propv(Object *obj, |
a31bdae5 DB |
892 | Error **errp, |
893 | va_list vargs) | |
894 | { | |
895 | const char *propname; | |
a31bdae5 DB |
896 | |
897 | propname = va_arg(vargs, char *); | |
898 | while (propname != NULL) { | |
899 | const char *value = va_arg(vargs, char *); | |
900 | ||
901 | g_assert(value != NULL); | |
668f62ec | 902 | if (!object_property_parse(obj, propname, value, errp)) { |
b783f54d | 903 | return false; |
a31bdae5 DB |
904 | } |
905 | propname = va_arg(vargs, char *); | |
906 | } | |
907 | ||
b783f54d | 908 | return true; |
a31bdae5 DB |
909 | } |
910 | ||
911 | ||
2f28d2ff AL |
912 | Object *object_dynamic_cast(Object *obj, const char *typename) |
913 | { | |
b7f43fe4 | 914 | if (obj && object_class_dynamic_cast(object_get_class(obj), typename)) { |
acc4af3f PB |
915 | return obj; |
916 | } | |
917 | ||
2f28d2ff AL |
918 | return NULL; |
919 | } | |
920 | ||
be17f18b PB |
921 | Object *object_dynamic_cast_assert(Object *obj, const char *typename, |
922 | const char *file, int line, const char *func) | |
2f28d2ff | 923 | { |
fa131d94 PB |
924 | trace_object_dynamic_cast_assert(obj ? obj->class->type->name : "(null)", |
925 | typename, file, line, func); | |
926 | ||
3556c233 | 927 | #ifdef CONFIG_QOM_CAST_DEBUG |
03587328 AL |
928 | int i; |
929 | Object *inst; | |
930 | ||
95916abc | 931 | for (i = 0; obj && i < OBJECT_CLASS_CAST_CACHE; i++) { |
d73415a3 | 932 | if (qatomic_read(&obj->class->object_cast_cache[i]) == typename) { |
03587328 AL |
933 | goto out; |
934 | } | |
935 | } | |
936 | ||
937 | inst = object_dynamic_cast(obj, typename); | |
2f28d2ff | 938 | |
b7f43fe4 | 939 | if (!inst && obj) { |
be17f18b PB |
940 | fprintf(stderr, "%s:%d:%s: Object %p is not an instance of type %s\n", |
941 | file, line, func, obj, typename); | |
2f28d2ff AL |
942 | abort(); |
943 | } | |
944 | ||
3556c233 | 945 | assert(obj == inst); |
03587328 | 946 | |
95916abc | 947 | if (obj && obj == inst) { |
03587328 | 948 | for (i = 1; i < OBJECT_CLASS_CAST_CACHE; i++) { |
d73415a3 SH |
949 | qatomic_set(&obj->class->object_cast_cache[i - 1], |
950 | qatomic_read(&obj->class->object_cast_cache[i])); | |
03587328 | 951 | } |
d73415a3 | 952 | qatomic_set(&obj->class->object_cast_cache[i - 1], typename); |
03587328 AL |
953 | } |
954 | ||
955 | out: | |
3556c233 PB |
956 | #endif |
957 | return obj; | |
2f28d2ff AL |
958 | } |
959 | ||
960 | ObjectClass *object_class_dynamic_cast(ObjectClass *class, | |
961 | const char *typename) | |
962 | { | |
33e95c63 | 963 | ObjectClass *ret = NULL; |
bf0fda34 PB |
964 | TypeImpl *target_type; |
965 | TypeImpl *type; | |
2f28d2ff | 966 | |
bf0fda34 PB |
967 | if (!class) { |
968 | return NULL; | |
969 | } | |
970 | ||
793c96b5 | 971 | /* A simple fast path that can trigger a lot for leaf classes. */ |
bf0fda34 | 972 | type = class->type; |
793c96b5 PB |
973 | if (type->name == typename) { |
974 | return class; | |
975 | } | |
976 | ||
bf0fda34 | 977 | target_type = type_get_by_name(typename); |
9ab880b3 AG |
978 | if (!target_type) { |
979 | /* target class type unknown, so fail the cast */ | |
980 | return NULL; | |
981 | } | |
982 | ||
00e2ceae PC |
983 | if (type->class->interfaces && |
984 | type_is_ancestor(target_type, type_interface)) { | |
33e95c63 AL |
985 | int found = 0; |
986 | GSList *i; | |
2f28d2ff | 987 | |
33e95c63 AL |
988 | for (i = class->interfaces; i; i = i->next) { |
989 | ObjectClass *target_class = i->data; | |
990 | ||
991 | if (type_is_ancestor(target_class->type, target_type)) { | |
992 | ret = target_class; | |
993 | found++; | |
994 | } | |
995 | } | |
996 | ||
997 | /* The match was ambiguous, don't allow a cast */ | |
998 | if (found > 1) { | |
999 | ret = NULL; | |
1000 | } | |
1001 | } else if (type_is_ancestor(type, target_type)) { | |
1002 | ret = class; | |
2f28d2ff AL |
1003 | } |
1004 | ||
33e95c63 | 1005 | return ret; |
2f28d2ff AL |
1006 | } |
1007 | ||
1008 | ObjectClass *object_class_dynamic_cast_assert(ObjectClass *class, | |
be17f18b PB |
1009 | const char *typename, |
1010 | const char *file, int line, | |
1011 | const char *func) | |
2f28d2ff | 1012 | { |
fa131d94 PB |
1013 | ObjectClass *ret; |
1014 | ||
1015 | trace_object_class_dynamic_cast_assert(class ? class->type->name : "(null)", | |
1016 | typename, file, line, func); | |
2f28d2ff | 1017 | |
03587328 AL |
1018 | #ifdef CONFIG_QOM_CAST_DEBUG |
1019 | int i; | |
1020 | ||
9d6a3d58 | 1021 | for (i = 0; class && i < OBJECT_CLASS_CAST_CACHE; i++) { |
d73415a3 | 1022 | if (qatomic_read(&class->class_cast_cache[i]) == typename) { |
03587328 AL |
1023 | ret = class; |
1024 | goto out; | |
1025 | } | |
1026 | } | |
1027 | #else | |
9d6a3d58 | 1028 | if (!class || !class->interfaces) { |
3556c233 PB |
1029 | return class; |
1030 | } | |
1031 | #endif | |
1032 | ||
fa131d94 | 1033 | ret = object_class_dynamic_cast(class, typename); |
bf0fda34 | 1034 | if (!ret && class) { |
be17f18b PB |
1035 | fprintf(stderr, "%s:%d:%s: Object %p is not an instance of type %s\n", |
1036 | file, line, func, class, typename); | |
2f28d2ff AL |
1037 | abort(); |
1038 | } | |
1039 | ||
03587328 | 1040 | #ifdef CONFIG_QOM_CAST_DEBUG |
9d6a3d58 | 1041 | if (class && ret == class) { |
03587328 | 1042 | for (i = 1; i < OBJECT_CLASS_CAST_CACHE; i++) { |
d73415a3 SH |
1043 | qatomic_set(&class->class_cast_cache[i - 1], |
1044 | qatomic_read(&class->class_cast_cache[i])); | |
03587328 | 1045 | } |
d73415a3 | 1046 | qatomic_set(&class->class_cast_cache[i - 1], typename); |
03587328 AL |
1047 | } |
1048 | out: | |
1049 | #endif | |
2f28d2ff AL |
1050 | return ret; |
1051 | } | |
1052 | ||
8f5d58ef | 1053 | const char *object_get_typename(const Object *obj) |
2f28d2ff AL |
1054 | { |
1055 | return obj->class->type->name; | |
1056 | } | |
1057 | ||
1058 | ObjectClass *object_get_class(Object *obj) | |
1059 | { | |
1060 | return obj->class; | |
1061 | } | |
1062 | ||
17862378 AF |
1063 | bool object_class_is_abstract(ObjectClass *klass) |
1064 | { | |
1065 | return klass->type->abstract; | |
1066 | } | |
1067 | ||
2f28d2ff AL |
1068 | const char *object_class_get_name(ObjectClass *klass) |
1069 | { | |
1070 | return klass->type->name; | |
1071 | } | |
1072 | ||
1073 | ObjectClass *object_class_by_name(const char *typename) | |
1074 | { | |
1075 | TypeImpl *type = type_get_by_name(typename); | |
1076 | ||
1077 | if (!type) { | |
1078 | return NULL; | |
1079 | } | |
1080 | ||
ac451033 | 1081 | type_initialize(type); |
2f28d2ff AL |
1082 | |
1083 | return type->class; | |
1084 | } | |
1085 | ||
0f8198f1 GH |
1086 | ObjectClass *module_object_class_by_name(const char *typename) |
1087 | { | |
1088 | ObjectClass *oc; | |
1089 | ||
1090 | oc = object_class_by_name(typename); | |
1091 | #ifdef CONFIG_MODULES | |
1092 | if (!oc) { | |
c551fb0b CF |
1093 | Error *local_err = NULL; |
1094 | int rv = module_load_qom(typename, &local_err); | |
1095 | if (rv > 0) { | |
1096 | oc = object_class_by_name(typename); | |
1097 | } else if (rv < 0) { | |
1098 | error_report_err(local_err); | |
1099 | } | |
0f8198f1 GH |
1100 | } |
1101 | #endif | |
1102 | return oc; | |
1103 | } | |
1104 | ||
e7cce67f PB |
1105 | ObjectClass *object_class_get_parent(ObjectClass *class) |
1106 | { | |
1107 | TypeImpl *type = type_get_parent(class->type); | |
1108 | ||
1109 | if (!type) { | |
1110 | return NULL; | |
1111 | } | |
1112 | ||
1113 | type_initialize(type); | |
1114 | ||
1115 | return type->class; | |
1116 | } | |
1117 | ||
2f28d2ff AL |
1118 | typedef struct OCFData |
1119 | { | |
1120 | void (*fn)(ObjectClass *klass, void *opaque); | |
93c511a1 AL |
1121 | const char *implements_type; |
1122 | bool include_abstract; | |
2f28d2ff AL |
1123 | void *opaque; |
1124 | } OCFData; | |
1125 | ||
1126 | static void object_class_foreach_tramp(gpointer key, gpointer value, | |
1127 | gpointer opaque) | |
1128 | { | |
1129 | OCFData *data = opaque; | |
1130 | TypeImpl *type = value; | |
93c511a1 | 1131 | ObjectClass *k; |
2f28d2ff | 1132 | |
ac451033 | 1133 | type_initialize(type); |
93c511a1 | 1134 | k = type->class; |
2f28d2ff | 1135 | |
93c511a1 AL |
1136 | if (!data->include_abstract && type->abstract) { |
1137 | return; | |
1138 | } | |
1139 | ||
1140 | if (data->implements_type && | |
1141 | !object_class_dynamic_cast(k, data->implements_type)) { | |
1142 | return; | |
1143 | } | |
1144 | ||
1145 | data->fn(k, data->opaque); | |
2f28d2ff AL |
1146 | } |
1147 | ||
1148 | void object_class_foreach(void (*fn)(ObjectClass *klass, void *opaque), | |
93c511a1 | 1149 | const char *implements_type, bool include_abstract, |
2f28d2ff AL |
1150 | void *opaque) |
1151 | { | |
93c511a1 | 1152 | OCFData data = { fn, implements_type, include_abstract, opaque }; |
2f28d2ff | 1153 | |
f54c19ca | 1154 | enumerating_types = true; |
2f28d2ff | 1155 | g_hash_table_foreach(type_table_get(), object_class_foreach_tramp, &data); |
f54c19ca | 1156 | enumerating_types = false; |
2f28d2ff | 1157 | } |
57c9fafe | 1158 | |
d714b8de PC |
1159 | static int do_object_child_foreach(Object *obj, |
1160 | int (*fn)(Object *child, void *opaque), | |
1161 | void *opaque, bool recurse) | |
32efc535 | 1162 | { |
b604a854 PF |
1163 | GHashTableIter iter; |
1164 | ObjectProperty *prop; | |
32efc535 PB |
1165 | int ret = 0; |
1166 | ||
b604a854 PF |
1167 | g_hash_table_iter_init(&iter, obj->properties); |
1168 | while (g_hash_table_iter_next(&iter, NULL, (gpointer *)&prop)) { | |
32efc535 | 1169 | if (object_property_is_child(prop)) { |
d714b8de PC |
1170 | Object *child = prop->opaque; |
1171 | ||
1172 | ret = fn(child, opaque); | |
32efc535 PB |
1173 | if (ret != 0) { |
1174 | break; | |
1175 | } | |
d714b8de | 1176 | if (recurse) { |
4a39181d CLG |
1177 | ret = do_object_child_foreach(child, fn, opaque, true); |
1178 | if (ret != 0) { | |
1179 | break; | |
1180 | } | |
d714b8de | 1181 | } |
32efc535 PB |
1182 | } |
1183 | } | |
1184 | return ret; | |
1185 | } | |
1186 | ||
d714b8de PC |
1187 | int object_child_foreach(Object *obj, int (*fn)(Object *child, void *opaque), |
1188 | void *opaque) | |
1189 | { | |
1190 | return do_object_child_foreach(obj, fn, opaque, false); | |
1191 | } | |
1192 | ||
1193 | int object_child_foreach_recursive(Object *obj, | |
1194 | int (*fn)(Object *child, void *opaque), | |
1195 | void *opaque) | |
1196 | { | |
1197 | return do_object_child_foreach(obj, fn, opaque, true); | |
1198 | } | |
1199 | ||
418ba9e5 AF |
1200 | static void object_class_get_list_tramp(ObjectClass *klass, void *opaque) |
1201 | { | |
1202 | GSList **list = opaque; | |
1203 | ||
1204 | *list = g_slist_prepend(*list, klass); | |
1205 | } | |
1206 | ||
1207 | GSList *object_class_get_list(const char *implements_type, | |
1208 | bool include_abstract) | |
1209 | { | |
1210 | GSList *list = NULL; | |
1211 | ||
1212 | object_class_foreach(object_class_get_list_tramp, | |
1213 | implements_type, include_abstract, &list); | |
1214 | return list; | |
1215 | } | |
1216 | ||
47c66009 PB |
1217 | static gint object_class_cmp(gconstpointer a, gconstpointer b) |
1218 | { | |
1219 | return strcasecmp(object_class_get_name((ObjectClass *)a), | |
1220 | object_class_get_name((ObjectClass *)b)); | |
1221 | } | |
1222 | ||
1223 | GSList *object_class_get_list_sorted(const char *implements_type, | |
1224 | bool include_abstract) | |
1225 | { | |
1226 | return g_slist_sort(object_class_get_list(implements_type, include_abstract), | |
1227 | object_class_cmp); | |
1228 | } | |
1229 | ||
c5a61e5a | 1230 | Object *object_ref(void *objptr) |
57c9fafe | 1231 | { |
c5a61e5a | 1232 | Object *obj = OBJECT(objptr); |
e3682878 MT |
1233 | uint32_t ref; |
1234 | ||
8ffad850 | 1235 | if (!obj) { |
b77ade9b | 1236 | return NULL; |
8ffad850 | 1237 | } |
e3682878 MT |
1238 | ref = qatomic_fetch_inc(&obj->ref); |
1239 | /* Assert waaay before the integer overflows */ | |
1240 | g_assert(ref < INT_MAX); | |
b77ade9b | 1241 | return obj; |
57c9fafe AL |
1242 | } |
1243 | ||
c5a61e5a | 1244 | void object_unref(void *objptr) |
57c9fafe | 1245 | { |
c5a61e5a | 1246 | Object *obj = OBJECT(objptr); |
8ffad850 PC |
1247 | if (!obj) { |
1248 | return; | |
1249 | } | |
719a3077 | 1250 | g_assert(obj->ref > 0); |
57c9fafe AL |
1251 | |
1252 | /* parent always holds a reference to its children */ | |
d73415a3 | 1253 | if (qatomic_fetch_dec(&obj->ref) == 1) { |
57c9fafe AL |
1254 | object_finalize(obj); |
1255 | } | |
1256 | } | |
1257 | ||
db57fef1 | 1258 | ObjectProperty * |
d2623129 MA |
1259 | object_property_try_add(Object *obj, const char *name, const char *type, |
1260 | ObjectPropertyAccessor *get, | |
1261 | ObjectPropertyAccessor *set, | |
1262 | ObjectPropertyRelease *release, | |
1263 | void *opaque, Error **errp) | |
57c9fafe | 1264 | { |
54852b03 | 1265 | ObjectProperty *prop; |
33965904 PC |
1266 | size_t name_len = strlen(name); |
1267 | ||
1268 | if (name_len >= 3 && !memcmp(name + name_len - 3, "[*]", 4)) { | |
1269 | int i; | |
1bf8b88f | 1270 | ObjectProperty *ret = NULL; |
33965904 PC |
1271 | char *name_no_array = g_strdup(name); |
1272 | ||
1273 | name_no_array[name_len - 3] = '\0'; | |
1bf8b88f | 1274 | for (i = 0; i < INT16_MAX; ++i) { |
33965904 PC |
1275 | char *full_name = g_strdup_printf("%s[%d]", name_no_array, i); |
1276 | ||
d2623129 MA |
1277 | ret = object_property_try_add(obj, full_name, type, get, set, |
1278 | release, opaque, NULL); | |
33965904 PC |
1279 | g_free(full_name); |
1280 | if (ret) { | |
1281 | break; | |
1282 | } | |
1283 | } | |
1284 | g_free(name_no_array); | |
1bf8b88f | 1285 | assert(ret); |
33965904 PC |
1286 | return ret; |
1287 | } | |
54852b03 | 1288 | |
efba1595 | 1289 | if (object_property_find(obj, name) != NULL) { |
d55e937d GK |
1290 | error_setg(errp, "attempt to add duplicate property '%s' to object (type '%s')", |
1291 | name, object_get_typename(obj)); | |
b604a854 | 1292 | return NULL; |
54852b03 PM |
1293 | } |
1294 | ||
1295 | prop = g_malloc0(sizeof(*prop)); | |
57c9fafe AL |
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 | ||
b604a854 | 1305 | g_hash_table_insert(obj->properties, prop->name, prop); |
64607d08 | 1306 | return prop; |
57c9fafe AL |
1307 | } |
1308 | ||
d2623129 MA |
1309 | ObjectProperty * |
1310 | object_property_add(Object *obj, const char *name, const char *type, | |
1311 | ObjectPropertyAccessor *get, | |
1312 | ObjectPropertyAccessor *set, | |
1313 | ObjectPropertyRelease *release, | |
1314 | void *opaque) | |
1315 | { | |
1316 | return object_property_try_add(obj, name, type, get, set, release, | |
1317 | opaque, &error_abort); | |
1318 | } | |
1319 | ||
16bf7f52 DB |
1320 | ObjectProperty * |
1321 | object_class_property_add(ObjectClass *klass, | |
1322 | const char *name, | |
1323 | const char *type, | |
1324 | ObjectPropertyAccessor *get, | |
1325 | ObjectPropertyAccessor *set, | |
1326 | ObjectPropertyRelease *release, | |
d2623129 | 1327 | void *opaque) |
16bf7f52 DB |
1328 | { |
1329 | ObjectProperty *prop; | |
1330 | ||
efba1595 | 1331 | assert(!object_class_property_find(klass, name)); |
16bf7f52 DB |
1332 | |
1333 | prop = g_malloc0(sizeof(*prop)); | |
1334 | ||
1335 | prop->name = g_strdup(name); | |
1336 | prop->type = g_strdup(type); | |
1337 | ||
1338 | prop->get = get; | |
1339 | prop->set = set; | |
1340 | prop->release = release; | |
1341 | prop->opaque = opaque; | |
1342 | ||
ba806ffb | 1343 | g_hash_table_insert(klass->properties, prop->name, prop); |
16bf7f52 DB |
1344 | |
1345 | return prop; | |
1346 | } | |
1347 | ||
efba1595 | 1348 | ObjectProperty *object_property_find(Object *obj, const char *name) |
57c9fafe AL |
1349 | { |
1350 | ObjectProperty *prop; | |
16bf7f52 DB |
1351 | ObjectClass *klass = object_get_class(obj); |
1352 | ||
efba1595 | 1353 | prop = object_class_property_find(klass, name); |
16bf7f52 DB |
1354 | if (prop) { |
1355 | return prop; | |
1356 | } | |
57c9fafe | 1357 | |
efba1595 DB |
1358 | return g_hash_table_lookup(obj->properties, name); |
1359 | } | |
57c9fafe | 1360 | |
efba1595 DB |
1361 | ObjectProperty *object_property_find_err(Object *obj, const char *name, |
1362 | Error **errp) | |
1363 | { | |
1364 | ObjectProperty *prop = object_property_find(obj, name); | |
1365 | if (!prop) { | |
4d9c7c84 PMD |
1366 | error_setg(errp, "Property '%s.%s' not found", |
1367 | object_get_typename(obj), name); | |
efba1595 DB |
1368 | } |
1369 | return prop; | |
57c9fafe AL |
1370 | } |
1371 | ||
7746abd8 DB |
1372 | void object_property_iter_init(ObjectPropertyIterator *iter, |
1373 | Object *obj) | |
a00c9482 | 1374 | { |
7746abd8 DB |
1375 | g_hash_table_iter_init(&iter->iter, obj->properties); |
1376 | iter->nextclass = object_get_class(obj); | |
a00c9482 DB |
1377 | } |
1378 | ||
1379 | ObjectProperty *object_property_iter_next(ObjectPropertyIterator *iter) | |
1380 | { | |
b604a854 | 1381 | gpointer key, val; |
16bf7f52 DB |
1382 | while (!g_hash_table_iter_next(&iter->iter, &key, &val)) { |
1383 | if (!iter->nextclass) { | |
1384 | return NULL; | |
1385 | } | |
1386 | g_hash_table_iter_init(&iter->iter, iter->nextclass->properties); | |
1387 | iter->nextclass = object_class_get_parent(iter->nextclass); | |
a00c9482 | 1388 | } |
b604a854 | 1389 | return val; |
a00c9482 DB |
1390 | } |
1391 | ||
961c47bb AK |
1392 | void object_class_property_iter_init(ObjectPropertyIterator *iter, |
1393 | ObjectClass *klass) | |
1394 | { | |
1395 | g_hash_table_iter_init(&iter->iter, klass->properties); | |
684546d8 | 1396 | iter->nextclass = object_class_get_parent(klass); |
961c47bb AK |
1397 | } |
1398 | ||
efba1595 | 1399 | ObjectProperty *object_class_property_find(ObjectClass *klass, const char *name) |
16bf7f52 | 1400 | { |
16bf7f52 DB |
1401 | ObjectClass *parent_klass; |
1402 | ||
1403 | parent_klass = object_class_get_parent(klass); | |
1404 | if (parent_klass) { | |
efba1595 DB |
1405 | ObjectProperty *prop = |
1406 | object_class_property_find(parent_klass, name); | |
16bf7f52 DB |
1407 | if (prop) { |
1408 | return prop; | |
1409 | } | |
1410 | } | |
1411 | ||
efba1595 DB |
1412 | return g_hash_table_lookup(klass->properties, name); |
1413 | } | |
1414 | ||
1415 | ObjectProperty *object_class_property_find_err(ObjectClass *klass, | |
1416 | const char *name, | |
1417 | Error **errp) | |
1418 | { | |
1419 | ObjectProperty *prop = object_class_property_find(klass, name); | |
16bf7f52 DB |
1420 | if (!prop) { |
1421 | error_setg(errp, "Property '.%s' not found", name); | |
1422 | } | |
1423 | return prop; | |
1424 | } | |
1425 | ||
efba1595 | 1426 | |
df4fe0b2 | 1427 | void object_property_del(Object *obj, const char *name) |
57c9fafe | 1428 | { |
b604a854 PF |
1429 | ObjectProperty *prop = g_hash_table_lookup(obj->properties, name); |
1430 | ||
0866aca1 AL |
1431 | if (prop->release) { |
1432 | prop->release(obj, name, prop->opaque); | |
1433 | } | |
b604a854 | 1434 | g_hash_table_remove(obj->properties, name); |
57c9fafe AL |
1435 | } |
1436 | ||
6fd5bef1 | 1437 | bool object_property_get(Object *obj, const char *name, Visitor *v, |
57c9fafe AL |
1438 | Error **errp) |
1439 | { | |
6fd5bef1 | 1440 | Error *err = NULL; |
efba1595 | 1441 | ObjectProperty *prop = object_property_find_err(obj, name, errp); |
6fd5bef1 | 1442 | |
57c9fafe | 1443 | if (prop == NULL) { |
6fd5bef1 | 1444 | return false; |
57c9fafe AL |
1445 | } |
1446 | ||
1447 | if (!prop->get) { | |
3f7febc9 MA |
1448 | error_setg(errp, "Property '%s.%s' is not readable", |
1449 | object_get_typename(obj), name); | |
6fd5bef1 | 1450 | return false; |
57c9fafe | 1451 | } |
6fd5bef1 MA |
1452 | prop->get(obj, v, name, prop->opaque, &err); |
1453 | error_propagate(errp, err); | |
1454 | return !err; | |
57c9fafe AL |
1455 | } |
1456 | ||
6fd5bef1 | 1457 | bool object_property_set(Object *obj, const char *name, Visitor *v, |
57c9fafe AL |
1458 | Error **errp) |
1459 | { | |
dbc8221f | 1460 | ERRP_GUARD(); |
efba1595 | 1461 | ObjectProperty *prop = object_property_find_err(obj, name, errp); |
6fd5bef1 | 1462 | |
57c9fafe | 1463 | if (prop == NULL) { |
6fd5bef1 | 1464 | return false; |
57c9fafe AL |
1465 | } |
1466 | ||
1467 | if (!prop->set) { | |
3f7febc9 MA |
1468 | error_setg(errp, "Property '%s.%s' is not writable", |
1469 | object_get_typename(obj), name); | |
6fd5bef1 | 1470 | return false; |
57c9fafe | 1471 | } |
dbc8221f KW |
1472 | prop->set(obj, v, name, prop->opaque, errp); |
1473 | return !*errp; | |
57c9fafe AL |
1474 | } |
1475 | ||
6fd5bef1 | 1476 | bool object_property_set_str(Object *obj, const char *name, |
5325cc34 | 1477 | const char *value, Error **errp) |
7b7b7d18 PB |
1478 | { |
1479 | QString *qstr = qstring_from_str(value); | |
6fd5bef1 | 1480 | bool ok = object_property_set_qobject(obj, name, QOBJECT(qstr), errp); |
7b7b7d18 | 1481 | |
cb3e7f08 | 1482 | qobject_unref(qstr); |
6fd5bef1 | 1483 | return ok; |
7b7b7d18 PB |
1484 | } |
1485 | ||
1486 | char *object_property_get_str(Object *obj, const char *name, | |
1487 | Error **errp) | |
1488 | { | |
1489 | QObject *ret = object_property_get_qobject(obj, name, errp); | |
26c52828 | 1490 | QString *qstring; |
7b7b7d18 PB |
1491 | char *retval; |
1492 | ||
1493 | if (!ret) { | |
1494 | return NULL; | |
1495 | } | |
26c52828 MA |
1496 | qstring = qobject_to(QString, ret); |
1497 | if (!qstring) { | |
c6bd8c70 | 1498 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name, "string"); |
26c52828 MA |
1499 | retval = NULL; |
1500 | } else { | |
1501 | retval = g_strdup(qstring_get_str(qstring)); | |
7b7b7d18 PB |
1502 | } |
1503 | ||
cb3e7f08 | 1504 | qobject_unref(ret); |
7b7b7d18 PB |
1505 | return retval; |
1506 | } | |
1507 | ||
6fd5bef1 | 1508 | bool object_property_set_link(Object *obj, const char *name, |
5325cc34 | 1509 | Object *value, Error **errp) |
1d9c5a12 | 1510 | { |
6fd5bef1 MA |
1511 | g_autofree char *path = NULL; |
1512 | ||
d3c49316 | 1513 | if (value) { |
6fd5bef1 | 1514 | path = object_get_canonical_path(value); |
d3c49316 | 1515 | } |
6fd5bef1 | 1516 | return object_property_set_str(obj, name, path ?: "", errp); |
1d9c5a12 PB |
1517 | } |
1518 | ||
1519 | Object *object_property_get_link(Object *obj, const char *name, | |
1520 | Error **errp) | |
1521 | { | |
1522 | char *str = object_property_get_str(obj, name, errp); | |
1523 | Object *target = NULL; | |
1524 | ||
1525 | if (str && *str) { | |
1526 | target = object_resolve_path(str, NULL); | |
1527 | if (!target) { | |
75158ebb MA |
1528 | error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND, |
1529 | "Device '%s' not found", str); | |
1d9c5a12 PB |
1530 | } |
1531 | } | |
1532 | ||
1533 | g_free(str); | |
1534 | return target; | |
1535 | } | |
1536 | ||
6fd5bef1 | 1537 | bool object_property_set_bool(Object *obj, const char *name, |
5325cc34 | 1538 | bool value, Error **errp) |
7b7b7d18 | 1539 | { |
fc48ffc3 | 1540 | QBool *qbool = qbool_from_bool(value); |
6fd5bef1 | 1541 | bool ok = object_property_set_qobject(obj, name, QOBJECT(qbool), errp); |
7b7b7d18 | 1542 | |
cb3e7f08 | 1543 | qobject_unref(qbool); |
6fd5bef1 | 1544 | return ok; |
7b7b7d18 PB |
1545 | } |
1546 | ||
1547 | bool object_property_get_bool(Object *obj, const char *name, | |
1548 | Error **errp) | |
1549 | { | |
1550 | QObject *ret = object_property_get_qobject(obj, name, errp); | |
1551 | QBool *qbool; | |
1552 | bool retval; | |
1553 | ||
1554 | if (!ret) { | |
1555 | return false; | |
1556 | } | |
7dc847eb | 1557 | qbool = qobject_to(QBool, ret); |
7b7b7d18 | 1558 | if (!qbool) { |
c6bd8c70 | 1559 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name, "boolean"); |
7b7b7d18 PB |
1560 | retval = false; |
1561 | } else { | |
fc48ffc3 | 1562 | retval = qbool_get_bool(qbool); |
7b7b7d18 PB |
1563 | } |
1564 | ||
cb3e7f08 | 1565 | qobject_unref(ret); |
7b7b7d18 PB |
1566 | return retval; |
1567 | } | |
1568 | ||
6fd5bef1 | 1569 | bool object_property_set_int(Object *obj, const char *name, |
5325cc34 | 1570 | int64_t value, Error **errp) |
7b7b7d18 | 1571 | { |
01b2ffce | 1572 | QNum *qnum = qnum_from_int(value); |
6fd5bef1 | 1573 | bool ok = object_property_set_qobject(obj, name, QOBJECT(qnum), errp); |
7b7b7d18 | 1574 | |
cb3e7f08 | 1575 | qobject_unref(qnum); |
6fd5bef1 | 1576 | return ok; |
7b7b7d18 PB |
1577 | } |
1578 | ||
1579 | int64_t object_property_get_int(Object *obj, const char *name, | |
1580 | Error **errp) | |
1581 | { | |
1582 | QObject *ret = object_property_get_qobject(obj, name, errp); | |
01b2ffce | 1583 | QNum *qnum; |
7b7b7d18 PB |
1584 | int64_t retval; |
1585 | ||
1586 | if (!ret) { | |
1587 | return -1; | |
1588 | } | |
01b2ffce | 1589 | |
7dc847eb | 1590 | qnum = qobject_to(QNum, ret); |
01b2ffce | 1591 | if (!qnum || !qnum_get_try_int(qnum, &retval)) { |
c6bd8c70 | 1592 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name, "int"); |
7b7b7d18 | 1593 | retval = -1; |
7b7b7d18 PB |
1594 | } |
1595 | ||
cb3e7f08 | 1596 | qobject_unref(ret); |
7b7b7d18 | 1597 | return retval; |
b2cd7dee PB |
1598 | } |
1599 | ||
0e76ed0a MAL |
1600 | static void object_property_init_defval(Object *obj, ObjectProperty *prop) |
1601 | { | |
1602 | Visitor *v = qobject_input_visitor_new(prop->defval); | |
1603 | ||
1604 | assert(prop->set != NULL); | |
1605 | prop->set(obj, v, prop->name, prop->opaque, &error_abort); | |
1606 | ||
1607 | visit_free(v); | |
1608 | } | |
1609 | ||
1610 | static void object_property_set_default(ObjectProperty *prop, QObject *defval) | |
1611 | { | |
1612 | assert(!prop->defval); | |
1613 | assert(!prop->init); | |
1614 | ||
1615 | prop->defval = defval; | |
1616 | prop->init = object_property_init_defval; | |
1617 | } | |
1618 | ||
1619 | void object_property_set_default_bool(ObjectProperty *prop, bool value) | |
1620 | { | |
1621 | object_property_set_default(prop, QOBJECT(qbool_from_bool(value))); | |
1622 | } | |
1623 | ||
1624 | void object_property_set_default_str(ObjectProperty *prop, const char *value) | |
1625 | { | |
1626 | object_property_set_default(prop, QOBJECT(qstring_from_str(value))); | |
1627 | } | |
1628 | ||
125062e7 KW |
1629 | void object_property_set_default_list(ObjectProperty *prop) |
1630 | { | |
1631 | object_property_set_default(prop, QOBJECT(qlist_new())); | |
1632 | } | |
1633 | ||
0e76ed0a MAL |
1634 | void object_property_set_default_int(ObjectProperty *prop, int64_t value) |
1635 | { | |
1636 | object_property_set_default(prop, QOBJECT(qnum_from_int(value))); | |
1637 | } | |
1638 | ||
1639 | void object_property_set_default_uint(ObjectProperty *prop, uint64_t value) | |
1640 | { | |
1641 | object_property_set_default(prop, QOBJECT(qnum_from_uint(value))); | |
1642 | } | |
1643 | ||
6fd5bef1 | 1644 | bool object_property_set_uint(Object *obj, const char *name, |
5325cc34 | 1645 | uint64_t value, Error **errp) |
3152779c MAL |
1646 | { |
1647 | QNum *qnum = qnum_from_uint(value); | |
6fd5bef1 | 1648 | bool ok = object_property_set_qobject(obj, name, QOBJECT(qnum), errp); |
3152779c | 1649 | |
cb3e7f08 | 1650 | qobject_unref(qnum); |
6fd5bef1 | 1651 | return ok; |
3152779c MAL |
1652 | } |
1653 | ||
1654 | uint64_t object_property_get_uint(Object *obj, const char *name, | |
1655 | Error **errp) | |
1656 | { | |
1657 | QObject *ret = object_property_get_qobject(obj, name, errp); | |
1658 | QNum *qnum; | |
1659 | uint64_t retval; | |
1660 | ||
1661 | if (!ret) { | |
1662 | return 0; | |
1663 | } | |
7dc847eb | 1664 | qnum = qobject_to(QNum, ret); |
3152779c MAL |
1665 | if (!qnum || !qnum_get_try_uint(qnum, &retval)) { |
1666 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name, "uint"); | |
1667 | retval = 0; | |
1668 | } | |
1669 | ||
cb3e7f08 | 1670 | qobject_unref(ret); |
3152779c MAL |
1671 | return retval; |
1672 | } | |
1673 | ||
a8e3fbed | 1674 | typedef struct EnumProperty { |
f7abe0ec | 1675 | const QEnumLookup *lookup; |
a8e3fbed DB |
1676 | int (*get)(Object *, Error **); |
1677 | void (*set)(Object *, int, Error **); | |
1678 | } EnumProperty; | |
1679 | ||
1f21772d | 1680 | int object_property_get_enum(Object *obj, const char *name, |
a3590dac | 1681 | const char *typename, Error **errp) |
1f21772d | 1682 | { |
976620ac | 1683 | char *str; |
1f21772d | 1684 | int ret; |
efba1595 | 1685 | ObjectProperty *prop = object_property_find_err(obj, name, errp); |
a3590dac DB |
1686 | EnumProperty *enumprop; |
1687 | ||
1688 | if (prop == NULL) { | |
d20f616e | 1689 | return -1; |
a3590dac DB |
1690 | } |
1691 | ||
1692 | if (!g_str_equal(prop->type, typename)) { | |
1693 | error_setg(errp, "Property %s on %s is not '%s' enum type", | |
1694 | name, object_class_get_name( | |
1695 | object_get_class(obj)), typename); | |
d20f616e | 1696 | return -1; |
a3590dac DB |
1697 | } |
1698 | ||
1699 | enumprop = prop->opaque; | |
1f21772d | 1700 | |
b555f89f MA |
1701 | str = object_property_get_str(obj, name, errp); |
1702 | if (!str) { | |
d20f616e | 1703 | return -1; |
4715d42e | 1704 | } |
976620ac | 1705 | |
ea097dff | 1706 | ret = qapi_enum_parse(enumprop->lookup, str, -1, errp); |
976620ac | 1707 | g_free(str); |
1f21772d HT |
1708 | |
1709 | return ret; | |
1710 | } | |
1711 | ||
6fd5bef1 | 1712 | bool object_property_parse(Object *obj, const char *name, |
5325cc34 | 1713 | const char *string, Error **errp) |
b2cd7dee | 1714 | { |
7a0525c7 | 1715 | Visitor *v = string_input_visitor_new(string); |
6fd5bef1 MA |
1716 | bool ok = object_property_set(obj, name, v, errp); |
1717 | ||
7a0525c7 | 1718 | visit_free(v); |
6fd5bef1 | 1719 | return ok; |
b2cd7dee PB |
1720 | } |
1721 | ||
0b7593e0 | 1722 | char *object_property_print(Object *obj, const char *name, bool human, |
b2cd7dee PB |
1723 | Error **errp) |
1724 | { | |
3b098d56 | 1725 | Visitor *v; |
3a53009f | 1726 | char *string = NULL; |
b2cd7dee | 1727 | |
3b098d56 | 1728 | v = string_output_visitor_new(human, &string); |
af175e85 | 1729 | if (!object_property_get(obj, name, v, errp)) { |
3a53009f GA |
1730 | goto out; |
1731 | } | |
1732 | ||
3b098d56 | 1733 | visit_complete(v, &string); |
3a53009f GA |
1734 | |
1735 | out: | |
3b098d56 | 1736 | visit_free(v); |
b2cd7dee | 1737 | return string; |
7b7b7d18 PB |
1738 | } |
1739 | ||
57c9fafe AL |
1740 | const char *object_property_get_type(Object *obj, const char *name, Error **errp) |
1741 | { | |
efba1595 | 1742 | ObjectProperty *prop = object_property_find_err(obj, name, errp); |
57c9fafe | 1743 | if (prop == NULL) { |
57c9fafe AL |
1744 | return NULL; |
1745 | } | |
1746 | ||
1747 | return prop->type; | |
1748 | } | |
1749 | ||
1750 | Object *object_get_root(void) | |
1751 | { | |
8b45d447 | 1752 | static Object *root; |
57c9fafe | 1753 | |
8b45d447 AL |
1754 | if (!root) { |
1755 | root = object_new("container"); | |
57c9fafe AL |
1756 | } |
1757 | ||
8b45d447 | 1758 | return root; |
57c9fafe AL |
1759 | } |
1760 | ||
bc2256c4 DB |
1761 | Object *object_get_objects_root(void) |
1762 | { | |
1763 | return container_get(object_get_root(), "/objects"); | |
1764 | } | |
1765 | ||
7c47c4ea PX |
1766 | Object *object_get_internal_root(void) |
1767 | { | |
1768 | static Object *internal_root; | |
1769 | ||
1770 | if (!internal_root) { | |
1771 | internal_root = object_new("container"); | |
1772 | } | |
1773 | ||
1774 | return internal_root; | |
1775 | } | |
1776 | ||
d7bce999 EB |
1777 | static void object_get_child_property(Object *obj, Visitor *v, |
1778 | const char *name, void *opaque, | |
1779 | Error **errp) | |
57c9fafe AL |
1780 | { |
1781 | Object *child = opaque; | |
ddfb0baa | 1782 | char *path; |
57c9fafe AL |
1783 | |
1784 | path = object_get_canonical_path(child); | |
51e72bc1 | 1785 | visit_type_str(v, name, &path, errp); |
57c9fafe AL |
1786 | g_free(path); |
1787 | } | |
1788 | ||
ddfb0baa MA |
1789 | static Object *object_resolve_child_property(Object *parent, void *opaque, |
1790 | const char *part) | |
64607d08 PB |
1791 | { |
1792 | return opaque; | |
1793 | } | |
1794 | ||
db85b575 AL |
1795 | static void object_finalize_child_property(Object *obj, const char *name, |
1796 | void *opaque) | |
1797 | { | |
1798 | Object *child = opaque; | |
1799 | ||
bffc687d PB |
1800 | if (child->class->unparent) { |
1801 | (child->class->unparent)(child); | |
1802 | } | |
1803 | child->parent = NULL; | |
db85b575 AL |
1804 | object_unref(child); |
1805 | } | |
1806 | ||
70251887 | 1807 | ObjectProperty * |
db57fef1 EA |
1808 | object_property_try_add_child(Object *obj, const char *name, |
1809 | Object *child, Error **errp) | |
57c9fafe | 1810 | { |
70251887 | 1811 | g_autofree char *type = NULL; |
64607d08 | 1812 | ObjectProperty *op; |
57c9fafe | 1813 | |
d2623129 | 1814 | assert(!child->parent); |
8faa2f85 | 1815 | |
688ffbb4 | 1816 | type = g_strdup_printf("child<%s>", object_get_typename(child)); |
57c9fafe | 1817 | |
db57fef1 EA |
1818 | op = object_property_try_add(obj, name, type, object_get_child_property, |
1819 | NULL, object_finalize_child_property, | |
1820 | child, errp); | |
1821 | if (!op) { | |
1822 | return NULL; | |
1823 | } | |
64607d08 | 1824 | op->resolve = object_resolve_child_property; |
57c9fafe | 1825 | object_ref(child); |
57c9fafe | 1826 | child->parent = obj; |
70251887 | 1827 | return op; |
57c9fafe AL |
1828 | } |
1829 | ||
db57fef1 EA |
1830 | ObjectProperty * |
1831 | object_property_add_child(Object *obj, const char *name, | |
1832 | Object *child) | |
1833 | { | |
1834 | return object_property_try_add_child(obj, name, child, &error_abort); | |
1835 | } | |
1836 | ||
8f5d58ef | 1837 | void object_property_allow_set_link(const Object *obj, const char *name, |
39f72ef9 SH |
1838 | Object *val, Error **errp) |
1839 | { | |
1840 | /* Allow the link to be set, always */ | |
1841 | } | |
1842 | ||
9561fda8 | 1843 | typedef struct { |
9941d37b MAL |
1844 | union { |
1845 | Object **targetp; | |
1846 | Object *target; /* if OBJ_PROP_LINK_DIRECT, when holding the pointer */ | |
840ecdfb | 1847 | ptrdiff_t offset; /* if OBJ_PROP_LINK_CLASS */ |
9941d37b | 1848 | }; |
8f5d58ef | 1849 | void (*check)(const Object *, const char *, Object *, Error **); |
9561fda8 SH |
1850 | ObjectPropertyLinkFlags flags; |
1851 | } LinkProperty; | |
1852 | ||
9941d37b MAL |
1853 | static Object ** |
1854 | object_link_get_targetp(Object *obj, LinkProperty *lprop) | |
1855 | { | |
1856 | if (lprop->flags & OBJ_PROP_LINK_DIRECT) { | |
1857 | return &lprop->target; | |
840ecdfb MAL |
1858 | } else if (lprop->flags & OBJ_PROP_LINK_CLASS) { |
1859 | return (void *)obj + lprop->offset; | |
9941d37b MAL |
1860 | } else { |
1861 | return lprop->targetp; | |
1862 | } | |
1863 | } | |
1864 | ||
d7bce999 EB |
1865 | static void object_get_link_property(Object *obj, Visitor *v, |
1866 | const char *name, void *opaque, | |
1867 | Error **errp) | |
57c9fafe | 1868 | { |
9561fda8 | 1869 | LinkProperty *lprop = opaque; |
9941d37b | 1870 | Object **targetp = object_link_get_targetp(obj, lprop); |
ddfb0baa | 1871 | char *path; |
57c9fafe | 1872 | |
36854207 MAL |
1873 | if (*targetp) { |
1874 | path = object_get_canonical_path(*targetp); | |
51e72bc1 | 1875 | visit_type_str(v, name, &path, errp); |
57c9fafe AL |
1876 | g_free(path); |
1877 | } else { | |
ddfb0baa | 1878 | path = (char *)""; |
51e72bc1 | 1879 | visit_type_str(v, name, &path, errp); |
57c9fafe AL |
1880 | } |
1881 | } | |
1882 | ||
f5ec6704 SH |
1883 | /* |
1884 | * object_resolve_link: | |
1885 | * | |
1886 | * Lookup an object and ensure its type matches the link property type. This | |
1887 | * is similar to object_resolve_path() except type verification against the | |
1888 | * link property is performed. | |
1889 | * | |
1890 | * Returns: The matched object or NULL on path lookup failures. | |
1891 | */ | |
1892 | static Object *object_resolve_link(Object *obj, const char *name, | |
1893 | const char *path, Error **errp) | |
1894 | { | |
1895 | const char *type; | |
ddfb0baa | 1896 | char *target_type; |
f5ec6704 SH |
1897 | bool ambiguous = false; |
1898 | Object *target; | |
1899 | ||
1900 | /* Go from link<FOO> to FOO. */ | |
1901 | type = object_property_get_type(obj, name, NULL); | |
1902 | target_type = g_strndup(&type[5], strlen(type) - 6); | |
1903 | target = object_resolve_path_type(path, target_type, &ambiguous); | |
1904 | ||
1905 | if (ambiguous) { | |
455b0fde EB |
1906 | error_setg(errp, "Path '%s' does not uniquely identify an object", |
1907 | path); | |
f5ec6704 SH |
1908 | } else if (!target) { |
1909 | target = object_resolve_path(path, &ambiguous); | |
1910 | if (target || ambiguous) { | |
c6bd8c70 | 1911 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name, target_type); |
f5ec6704 | 1912 | } else { |
75158ebb MA |
1913 | error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND, |
1914 | "Device '%s' not found", path); | |
f5ec6704 SH |
1915 | } |
1916 | target = NULL; | |
1917 | } | |
1918 | g_free(target_type); | |
1919 | ||
1920 | return target; | |
1921 | } | |
1922 | ||
d7bce999 EB |
1923 | static void object_set_link_property(Object *obj, Visitor *v, |
1924 | const char *name, void *opaque, | |
1925 | Error **errp) | |
57c9fafe | 1926 | { |
c6aed983 | 1927 | Error *local_err = NULL; |
9561fda8 | 1928 | LinkProperty *prop = opaque; |
9941d37b | 1929 | Object **targetp = object_link_get_targetp(obj, prop); |
36854207 | 1930 | Object *old_target = *targetp; |
1c94a351 | 1931 | Object *new_target; |
c6aed983 | 1932 | char *path = NULL; |
57c9fafe | 1933 | |
1c94a351 MA |
1934 | if (!visit_type_str(v, name, &path, errp)) { |
1935 | return; | |
1936 | } | |
57c9fafe | 1937 | |
1c94a351 MA |
1938 | if (*path) { |
1939 | new_target = object_resolve_link(obj, name, path, errp); | |
1940 | if (!new_target) { | |
1941 | g_free(path); | |
1942 | return; | |
1943 | } | |
1944 | } else { | |
1945 | new_target = NULL; | |
57c9fafe AL |
1946 | } |
1947 | ||
1948 | g_free(path); | |
f0cdc966 | 1949 | |
39f72ef9 SH |
1950 | prop->check(obj, name, new_target, &local_err); |
1951 | if (local_err) { | |
1952 | error_propagate(errp, local_err); | |
1953 | return; | |
1954 | } | |
1955 | ||
36854207 | 1956 | *targetp = new_target; |
8770bafd | 1957 | if (prop->flags & OBJ_PROP_LINK_STRONG) { |
265b578c MAL |
1958 | object_ref(new_target); |
1959 | object_unref(old_target); | |
1960 | } | |
57c9fafe AL |
1961 | } |
1962 | ||
ddfb0baa MA |
1963 | static Object *object_resolve_link_property(Object *parent, void *opaque, |
1964 | const char *part) | |
64607d08 PB |
1965 | { |
1966 | LinkProperty *lprop = opaque; | |
1967 | ||
9941d37b | 1968 | return *object_link_get_targetp(parent, lprop); |
64607d08 PB |
1969 | } |
1970 | ||
9561fda8 SH |
1971 | static void object_release_link_property(Object *obj, const char *name, |
1972 | void *opaque) | |
1973 | { | |
1974 | LinkProperty *prop = opaque; | |
9941d37b | 1975 | Object **targetp = object_link_get_targetp(obj, prop); |
9561fda8 | 1976 | |
9941d37b MAL |
1977 | if ((prop->flags & OBJ_PROP_LINK_STRONG) && *targetp) { |
1978 | object_unref(*targetp); | |
9561fda8 | 1979 | } |
840ecdfb MAL |
1980 | if (!(prop->flags & OBJ_PROP_LINK_CLASS)) { |
1981 | g_free(prop); | |
1982 | } | |
9561fda8 SH |
1983 | } |
1984 | ||
70251887 MA |
1985 | static ObjectProperty * |
1986 | object_add_link_prop(Object *obj, const char *name, | |
1987 | const char *type, void *ptr, | |
1988 | void (*check)(const Object *, const char *, | |
1989 | Object *, Error **), | |
d2623129 | 1990 | ObjectPropertyLinkFlags flags) |
57c9fafe | 1991 | { |
9561fda8 | 1992 | LinkProperty *prop = g_malloc(sizeof(*prop)); |
70251887 | 1993 | g_autofree char *full_type = NULL; |
64607d08 | 1994 | ObjectProperty *op; |
57c9fafe | 1995 | |
4a8d5798 MAL |
1996 | if (flags & OBJ_PROP_LINK_DIRECT) { |
1997 | prop->target = ptr; | |
1998 | } else { | |
1999 | prop->targetp = ptr; | |
2000 | } | |
39f72ef9 | 2001 | prop->check = check; |
9561fda8 SH |
2002 | prop->flags = flags; |
2003 | ||
57c9fafe AL |
2004 | full_type = g_strdup_printf("link<%s>", type); |
2005 | ||
64607d08 PB |
2006 | op = object_property_add(obj, name, full_type, |
2007 | object_get_link_property, | |
2008 | check ? object_set_link_property : NULL, | |
2009 | object_release_link_property, | |
d2623129 | 2010 | prop); |
64607d08 | 2011 | op->resolve = object_resolve_link_property; |
70251887 | 2012 | return op; |
57c9fafe AL |
2013 | } |
2014 | ||
70251887 MA |
2015 | ObjectProperty * |
2016 | object_property_add_link(Object *obj, const char *name, | |
2017 | const char *type, Object **targetp, | |
2018 | void (*check)(const Object *, const char *, | |
2019 | Object *, Error **), | |
d2623129 | 2020 | ObjectPropertyLinkFlags flags) |
4a8d5798 | 2021 | { |
d2623129 | 2022 | return object_add_link_prop(obj, name, type, targetp, check, flags); |
4a8d5798 MAL |
2023 | } |
2024 | ||
840ecdfb MAL |
2025 | ObjectProperty * |
2026 | object_class_property_add_link(ObjectClass *oc, | |
2027 | const char *name, | |
2028 | const char *type, ptrdiff_t offset, | |
2029 | void (*check)(const Object *obj, const char *name, | |
2030 | Object *val, Error **errp), | |
d2623129 | 2031 | ObjectPropertyLinkFlags flags) |
840ecdfb | 2032 | { |
840ecdfb | 2033 | LinkProperty *prop = g_new0(LinkProperty, 1); |
ddfb0baa | 2034 | char *full_type; |
840ecdfb MAL |
2035 | ObjectProperty *op; |
2036 | ||
2037 | prop->offset = offset; | |
2038 | prop->check = check; | |
2039 | prop->flags = flags | OBJ_PROP_LINK_CLASS; | |
2040 | ||
2041 | full_type = g_strdup_printf("link<%s>", type); | |
2042 | ||
2043 | op = object_class_property_add(oc, name, full_type, | |
2044 | object_get_link_property, | |
2045 | check ? object_set_link_property : NULL, | |
2046 | object_release_link_property, | |
d2623129 | 2047 | prop); |
840ecdfb MAL |
2048 | |
2049 | op->resolve = object_resolve_link_property; | |
2050 | ||
840ecdfb MAL |
2051 | g_free(full_type); |
2052 | return op; | |
2053 | } | |
2054 | ||
70251887 MA |
2055 | ObjectProperty * |
2056 | object_property_add_const_link(Object *obj, const char *name, | |
d2623129 | 2057 | Object *target) |
fb9e7e33 | 2058 | { |
70251887 MA |
2059 | return object_add_link_prop(obj, name, |
2060 | object_get_typename(target), target, | |
d2623129 | 2061 | NULL, OBJ_PROP_LINK_DIRECT); |
fb9e7e33 PB |
2062 | } |
2063 | ||
7a309cc9 | 2064 | const char *object_get_canonical_path_component(const Object *obj) |
11f590b1 SH |
2065 | { |
2066 | ObjectProperty *prop = NULL; | |
b604a854 | 2067 | GHashTableIter iter; |
11f590b1 | 2068 | |
770dec26 PB |
2069 | if (obj->parent == NULL) { |
2070 | return NULL; | |
2071 | } | |
11f590b1 | 2072 | |
b604a854 PF |
2073 | g_hash_table_iter_init(&iter, obj->parent->properties); |
2074 | while (g_hash_table_iter_next(&iter, NULL, (gpointer *)&prop)) { | |
11f590b1 SH |
2075 | if (!object_property_is_child(prop)) { |
2076 | continue; | |
2077 | } | |
2078 | ||
2079 | if (prop->opaque == obj) { | |
7a309cc9 | 2080 | return prop->name; |
11f590b1 SH |
2081 | } |
2082 | } | |
2083 | ||
2084 | /* obj had a parent but was not a child, should never happen */ | |
2085 | g_assert_not_reached(); | |
2086 | return NULL; | |
2087 | } | |
2088 | ||
e8512dfa | 2089 | char *object_get_canonical_path(const Object *obj) |
57c9fafe AL |
2090 | { |
2091 | Object *root = object_get_root(); | |
11f590b1 | 2092 | char *newpath, *path = NULL; |
57c9fafe | 2093 | |
e40077fd PB |
2094 | if (obj == root) { |
2095 | return g_strdup("/"); | |
2096 | } | |
2097 | ||
2098 | do { | |
7a309cc9 | 2099 | const char *component = object_get_canonical_path_component(obj); |
57c9fafe | 2100 | |
e40077fd PB |
2101 | if (!component) { |
2102 | /* A canonical path must be complete, so discard what was | |
2103 | * collected so far. | |
2104 | */ | |
11f590b1 | 2105 | g_free(path); |
e40077fd | 2106 | return NULL; |
57c9fafe AL |
2107 | } |
2108 | ||
e40077fd PB |
2109 | newpath = g_strdup_printf("/%s%s", component, path ? path : ""); |
2110 | g_free(path); | |
e40077fd | 2111 | path = newpath; |
57c9fafe | 2112 | obj = obj->parent; |
e40077fd | 2113 | } while (obj != root); |
57c9fafe | 2114 | |
e40077fd | 2115 | return path; |
57c9fafe AL |
2116 | } |
2117 | ||
ddfb0baa | 2118 | Object *object_resolve_path_component(Object *parent, const char *part) |
a612b2a6 | 2119 | { |
efba1595 | 2120 | ObjectProperty *prop = object_property_find(parent, part); |
a612b2a6 PB |
2121 | if (prop == NULL) { |
2122 | return NULL; | |
2123 | } | |
2124 | ||
64607d08 PB |
2125 | if (prop->resolve) { |
2126 | return prop->resolve(parent, prop->opaque, part); | |
a612b2a6 PB |
2127 | } else { |
2128 | return NULL; | |
2129 | } | |
2130 | } | |
2131 | ||
57c9fafe | 2132 | static Object *object_resolve_abs_path(Object *parent, |
ad195c8f MY |
2133 | char **parts, |
2134 | const char *typename) | |
57c9fafe | 2135 | { |
57c9fafe AL |
2136 | Object *child; |
2137 | ||
ad195c8f | 2138 | if (*parts == NULL) { |
02fe2db6 | 2139 | return object_dynamic_cast(parent, typename); |
57c9fafe AL |
2140 | } |
2141 | ||
ad195c8f MY |
2142 | if (strcmp(*parts, "") == 0) { |
2143 | return object_resolve_abs_path(parent, parts + 1, typename); | |
57c9fafe AL |
2144 | } |
2145 | ||
ad195c8f | 2146 | child = object_resolve_path_component(parent, *parts); |
57c9fafe AL |
2147 | if (!child) { |
2148 | return NULL; | |
2149 | } | |
2150 | ||
ad195c8f | 2151 | return object_resolve_abs_path(child, parts + 1, typename); |
57c9fafe AL |
2152 | } |
2153 | ||
2154 | static Object *object_resolve_partial_path(Object *parent, | |
ddfb0baa MA |
2155 | char **parts, |
2156 | const char *typename, | |
2157 | bool *ambiguous) | |
57c9fafe AL |
2158 | { |
2159 | Object *obj; | |
b604a854 | 2160 | GHashTableIter iter; |
57c9fafe AL |
2161 | ObjectProperty *prop; |
2162 | ||
ad195c8f | 2163 | obj = object_resolve_abs_path(parent, parts, typename); |
57c9fafe | 2164 | |
b604a854 PF |
2165 | g_hash_table_iter_init(&iter, parent->properties); |
2166 | while (g_hash_table_iter_next(&iter, NULL, (gpointer *)&prop)) { | |
57c9fafe AL |
2167 | Object *found; |
2168 | ||
5d9d3f47 | 2169 | if (!object_property_is_child(prop)) { |
57c9fafe AL |
2170 | continue; |
2171 | } | |
2172 | ||
02fe2db6 PB |
2173 | found = object_resolve_partial_path(prop->opaque, parts, |
2174 | typename, ambiguous); | |
57c9fafe AL |
2175 | if (found) { |
2176 | if (obj) { | |
ebcc479e | 2177 | *ambiguous = true; |
57c9fafe AL |
2178 | return NULL; |
2179 | } | |
2180 | obj = found; | |
2181 | } | |
2182 | ||
ebcc479e | 2183 | if (*ambiguous) { |
57c9fafe AL |
2184 | return NULL; |
2185 | } | |
2186 | } | |
2187 | ||
2188 | return obj; | |
2189 | } | |
2190 | ||
02fe2db6 | 2191 | Object *object_resolve_path_type(const char *path, const char *typename, |
ebcc479e | 2192 | bool *ambiguousp) |
57c9fafe | 2193 | { |
57c9fafe | 2194 | Object *obj; |
ddfb0baa | 2195 | char **parts; |
57c9fafe AL |
2196 | |
2197 | parts = g_strsplit(path, "/", 0); | |
2e1103f6 | 2198 | assert(parts); |
57c9fafe | 2199 | |
2e1103f6 | 2200 | if (parts[0] == NULL || strcmp(parts[0], "") != 0) { |
ebcc479e | 2201 | bool ambiguous = false; |
02fe2db6 | 2202 | obj = object_resolve_partial_path(object_get_root(), parts, |
ebcc479e EH |
2203 | typename, &ambiguous); |
2204 | if (ambiguousp) { | |
2205 | *ambiguousp = ambiguous; | |
2206 | } | |
57c9fafe | 2207 | } else { |
ad195c8f | 2208 | obj = object_resolve_abs_path(object_get_root(), parts + 1, typename); |
57c9fafe AL |
2209 | } |
2210 | ||
2211 | g_strfreev(parts); | |
2212 | ||
2213 | return obj; | |
2214 | } | |
2215 | ||
02fe2db6 PB |
2216 | Object *object_resolve_path(const char *path, bool *ambiguous) |
2217 | { | |
2218 | return object_resolve_path_type(path, TYPE_OBJECT, ambiguous); | |
2219 | } | |
2220 | ||
1bf4d329 MA |
2221 | Object *object_resolve_path_at(Object *parent, const char *path) |
2222 | { | |
2223 | g_auto(GStrv) parts = g_strsplit(path, "/", 0); | |
2224 | ||
2225 | if (*path == '/') { | |
2226 | return object_resolve_abs_path(object_get_root(), parts + 1, | |
2227 | TYPE_OBJECT); | |
2228 | } | |
2229 | return object_resolve_abs_path(parent, parts, TYPE_OBJECT); | |
2230 | } | |
2231 | ||
57c9fafe AL |
2232 | typedef struct StringProperty |
2233 | { | |
2234 | char *(*get)(Object *, Error **); | |
2235 | void (*set)(Object *, const char *, Error **); | |
2236 | } StringProperty; | |
2237 | ||
d7bce999 EB |
2238 | static void property_get_str(Object *obj, Visitor *v, const char *name, |
2239 | void *opaque, Error **errp) | |
57c9fafe AL |
2240 | { |
2241 | StringProperty *prop = opaque; | |
2242 | char *value; | |
e1c8237d | 2243 | Error *err = NULL; |
57c9fafe | 2244 | |
e1c8237d MA |
2245 | value = prop->get(obj, &err); |
2246 | if (err) { | |
2247 | error_propagate(errp, err); | |
2248 | return; | |
57c9fafe | 2249 | } |
e1c8237d | 2250 | |
51e72bc1 | 2251 | visit_type_str(v, name, &value, errp); |
e1c8237d | 2252 | g_free(value); |
57c9fafe AL |
2253 | } |
2254 | ||
d7bce999 EB |
2255 | static void property_set_str(Object *obj, Visitor *v, const char *name, |
2256 | void *opaque, Error **errp) | |
57c9fafe AL |
2257 | { |
2258 | StringProperty *prop = opaque; | |
2259 | char *value; | |
57c9fafe | 2260 | |
668f62ec | 2261 | if (!visit_type_str(v, name, &value, errp)) { |
57c9fafe AL |
2262 | return; |
2263 | } | |
2264 | ||
2265 | prop->set(obj, value, errp); | |
2266 | g_free(value); | |
2267 | } | |
2268 | ||
169cbac1 PB |
2269 | static void property_release_data(Object *obj, const char *name, |
2270 | void *opaque) | |
57c9fafe | 2271 | { |
169cbac1 | 2272 | g_free(opaque); |
57c9fafe AL |
2273 | } |
2274 | ||
70251887 MA |
2275 | ObjectProperty * |
2276 | object_property_add_str(Object *obj, const char *name, | |
2277 | char *(*get)(Object *, Error **), | |
d2623129 | 2278 | void (*set)(Object *, const char *, Error **)) |
57c9fafe AL |
2279 | { |
2280 | StringProperty *prop = g_malloc0(sizeof(*prop)); | |
2281 | ||
2282 | prop->get = get; | |
2283 | prop->set = set; | |
2284 | ||
d2623129 MA |
2285 | return object_property_add(obj, name, "string", |
2286 | get ? property_get_str : NULL, | |
2287 | set ? property_set_str : NULL, | |
169cbac1 | 2288 | property_release_data, |
d2623129 | 2289 | prop); |
57c9fafe | 2290 | } |
745549c8 | 2291 | |
a3a16211 MAL |
2292 | ObjectProperty * |
2293 | object_class_property_add_str(ObjectClass *klass, const char *name, | |
16bf7f52 DB |
2294 | char *(*get)(Object *, Error **), |
2295 | void (*set)(Object *, const char *, | |
d2623129 | 2296 | Error **)) |
16bf7f52 | 2297 | { |
16bf7f52 DB |
2298 | StringProperty *prop = g_malloc0(sizeof(*prop)); |
2299 | ||
2300 | prop->get = get; | |
2301 | prop->set = set; | |
2302 | ||
d2623129 MA |
2303 | return object_class_property_add(klass, name, "string", |
2304 | get ? property_get_str : NULL, | |
2305 | set ? property_set_str : NULL, | |
2306 | NULL, | |
2307 | prop); | |
16bf7f52 DB |
2308 | } |
2309 | ||
0e558843 AL |
2310 | typedef struct BoolProperty |
2311 | { | |
2312 | bool (*get)(Object *, Error **); | |
2313 | void (*set)(Object *, bool, Error **); | |
2314 | } BoolProperty; | |
2315 | ||
d7bce999 EB |
2316 | static void property_get_bool(Object *obj, Visitor *v, const char *name, |
2317 | void *opaque, Error **errp) | |
0e558843 AL |
2318 | { |
2319 | BoolProperty *prop = opaque; | |
2320 | bool value; | |
4715d42e MA |
2321 | Error *err = NULL; |
2322 | ||
2323 | value = prop->get(obj, &err); | |
2324 | if (err) { | |
2325 | error_propagate(errp, err); | |
2326 | return; | |
2327 | } | |
0e558843 | 2328 | |
51e72bc1 | 2329 | visit_type_bool(v, name, &value, errp); |
0e558843 AL |
2330 | } |
2331 | ||
d7bce999 EB |
2332 | static void property_set_bool(Object *obj, Visitor *v, const char *name, |
2333 | void *opaque, Error **errp) | |
0e558843 AL |
2334 | { |
2335 | BoolProperty *prop = opaque; | |
2336 | bool value; | |
0e558843 | 2337 | |
668f62ec | 2338 | if (!visit_type_bool(v, name, &value, errp)) { |
0e558843 AL |
2339 | return; |
2340 | } | |
2341 | ||
2342 | prop->set(obj, value, errp); | |
2343 | } | |
2344 | ||
70251887 MA |
2345 | ObjectProperty * |
2346 | object_property_add_bool(Object *obj, const char *name, | |
2347 | bool (*get)(Object *, Error **), | |
d2623129 | 2348 | void (*set)(Object *, bool, Error **)) |
0e558843 AL |
2349 | { |
2350 | BoolProperty *prop = g_malloc0(sizeof(*prop)); | |
2351 | ||
2352 | prop->get = get; | |
2353 | prop->set = set; | |
2354 | ||
d2623129 MA |
2355 | return object_property_add(obj, name, "bool", |
2356 | get ? property_get_bool : NULL, | |
2357 | set ? property_set_bool : NULL, | |
169cbac1 | 2358 | property_release_data, |
d2623129 | 2359 | prop); |
0e558843 AL |
2360 | } |
2361 | ||
a3a16211 MAL |
2362 | ObjectProperty * |
2363 | object_class_property_add_bool(ObjectClass *klass, const char *name, | |
16bf7f52 | 2364 | bool (*get)(Object *, Error **), |
d2623129 | 2365 | void (*set)(Object *, bool, Error **)) |
16bf7f52 | 2366 | { |
16bf7f52 DB |
2367 | BoolProperty *prop = g_malloc0(sizeof(*prop)); |
2368 | ||
2369 | prop->get = get; | |
2370 | prop->set = set; | |
2371 | ||
d2623129 MA |
2372 | return object_class_property_add(klass, name, "bool", |
2373 | get ? property_get_bool : NULL, | |
2374 | set ? property_set_bool : NULL, | |
2375 | NULL, | |
2376 | prop); | |
16bf7f52 DB |
2377 | } |
2378 | ||
d7bce999 EB |
2379 | static void property_get_enum(Object *obj, Visitor *v, const char *name, |
2380 | void *opaque, Error **errp) | |
a8e3fbed DB |
2381 | { |
2382 | EnumProperty *prop = opaque; | |
2383 | int value; | |
4715d42e MA |
2384 | Error *err = NULL; |
2385 | ||
2386 | value = prop->get(obj, &err); | |
2387 | if (err) { | |
2388 | error_propagate(errp, err); | |
2389 | return; | |
2390 | } | |
a8e3fbed | 2391 | |
f7abe0ec | 2392 | visit_type_enum(v, name, &value, prop->lookup, errp); |
a8e3fbed DB |
2393 | } |
2394 | ||
d7bce999 EB |
2395 | static void property_set_enum(Object *obj, Visitor *v, const char *name, |
2396 | void *opaque, Error **errp) | |
a8e3fbed DB |
2397 | { |
2398 | EnumProperty *prop = opaque; | |
2399 | int value; | |
2400 | ||
668f62ec | 2401 | if (!visit_type_enum(v, name, &value, prop->lookup, errp)) { |
4715d42e MA |
2402 | return; |
2403 | } | |
a8e3fbed DB |
2404 | prop->set(obj, value, errp); |
2405 | } | |
2406 | ||
70251887 MA |
2407 | ObjectProperty * |
2408 | object_property_add_enum(Object *obj, const char *name, | |
2409 | const char *typename, | |
2410 | const QEnumLookup *lookup, | |
2411 | int (*get)(Object *, Error **), | |
d2623129 | 2412 | void (*set)(Object *, int, Error **)) |
a8e3fbed | 2413 | { |
a8e3fbed DB |
2414 | EnumProperty *prop = g_malloc(sizeof(*prop)); |
2415 | ||
f7abe0ec | 2416 | prop->lookup = lookup; |
a8e3fbed DB |
2417 | prop->get = get; |
2418 | prop->set = set; | |
2419 | ||
d2623129 MA |
2420 | return object_property_add(obj, name, typename, |
2421 | get ? property_get_enum : NULL, | |
2422 | set ? property_set_enum : NULL, | |
169cbac1 | 2423 | property_release_data, |
d2623129 | 2424 | prop); |
a8e3fbed DB |
2425 | } |
2426 | ||
a3a16211 MAL |
2427 | ObjectProperty * |
2428 | object_class_property_add_enum(ObjectClass *klass, const char *name, | |
16bf7f52 | 2429 | const char *typename, |
f7abe0ec | 2430 | const QEnumLookup *lookup, |
16bf7f52 | 2431 | int (*get)(Object *, Error **), |
d2623129 | 2432 | void (*set)(Object *, int, Error **)) |
16bf7f52 | 2433 | { |
16bf7f52 DB |
2434 | EnumProperty *prop = g_malloc(sizeof(*prop)); |
2435 | ||
f7abe0ec | 2436 | prop->lookup = lookup; |
16bf7f52 DB |
2437 | prop->get = get; |
2438 | prop->set = set; | |
2439 | ||
d2623129 MA |
2440 | return object_class_property_add(klass, name, typename, |
2441 | get ? property_get_enum : NULL, | |
2442 | set ? property_set_enum : NULL, | |
2443 | NULL, | |
2444 | prop); | |
16bf7f52 DB |
2445 | } |
2446 | ||
8e099d14 DG |
2447 | typedef struct TMProperty { |
2448 | void (*get)(Object *, struct tm *, Error **); | |
2449 | } TMProperty; | |
2450 | ||
d7bce999 EB |
2451 | static void property_get_tm(Object *obj, Visitor *v, const char *name, |
2452 | void *opaque, Error **errp) | |
8e099d14 DG |
2453 | { |
2454 | TMProperty *prop = opaque; | |
2455 | Error *err = NULL; | |
2456 | struct tm value; | |
2457 | ||
2458 | prop->get(obj, &value, &err); | |
2459 | if (err) { | |
992861fb MA |
2460 | error_propagate(errp, err); |
2461 | return; | |
8e099d14 DG |
2462 | } |
2463 | ||
992861fb MA |
2464 | if (!visit_start_struct(v, name, NULL, 0, errp)) { |
2465 | return; | |
8e099d14 | 2466 | } |
992861fb | 2467 | if (!visit_type_int32(v, "tm_year", &value.tm_year, errp)) { |
8e099d14 DG |
2468 | goto out_end; |
2469 | } | |
992861fb | 2470 | if (!visit_type_int32(v, "tm_mon", &value.tm_mon, errp)) { |
8e099d14 DG |
2471 | goto out_end; |
2472 | } | |
992861fb | 2473 | if (!visit_type_int32(v, "tm_mday", &value.tm_mday, errp)) { |
8e099d14 DG |
2474 | goto out_end; |
2475 | } | |
992861fb | 2476 | if (!visit_type_int32(v, "tm_hour", &value.tm_hour, errp)) { |
8e099d14 DG |
2477 | goto out_end; |
2478 | } | |
992861fb | 2479 | if (!visit_type_int32(v, "tm_min", &value.tm_min, errp)) { |
8e099d14 DG |
2480 | goto out_end; |
2481 | } | |
992861fb | 2482 | if (!visit_type_int32(v, "tm_sec", &value.tm_sec, errp)) { |
8e099d14 DG |
2483 | goto out_end; |
2484 | } | |
992861fb | 2485 | visit_check_struct(v, errp); |
8e099d14 | 2486 | out_end: |
1158bb2a | 2487 | visit_end_struct(v, NULL); |
8e099d14 DG |
2488 | } |
2489 | ||
70251887 MA |
2490 | ObjectProperty * |
2491 | object_property_add_tm(Object *obj, const char *name, | |
d2623129 | 2492 | void (*get)(Object *, struct tm *, Error **)) |
8e099d14 | 2493 | { |
8e099d14 DG |
2494 | TMProperty *prop = g_malloc0(sizeof(*prop)); |
2495 | ||
2496 | prop->get = get; | |
2497 | ||
d2623129 MA |
2498 | return object_property_add(obj, name, "struct tm", |
2499 | get ? property_get_tm : NULL, NULL, | |
169cbac1 | 2500 | property_release_data, |
d2623129 | 2501 | prop); |
8e099d14 DG |
2502 | } |
2503 | ||
a3a16211 MAL |
2504 | ObjectProperty * |
2505 | object_class_property_add_tm(ObjectClass *klass, const char *name, | |
d2623129 | 2506 | void (*get)(Object *, struct tm *, Error **)) |
16bf7f52 | 2507 | { |
16bf7f52 DB |
2508 | TMProperty *prop = g_malloc0(sizeof(*prop)); |
2509 | ||
2510 | prop->get = get; | |
2511 | ||
d2623129 MA |
2512 | return object_class_property_add(klass, name, "struct tm", |
2513 | get ? property_get_tm : NULL, | |
2514 | NULL, NULL, prop); | |
16bf7f52 DB |
2515 | } |
2516 | ||
90c69fb9 | 2517 | static char *object_get_type(Object *obj, Error **errp) |
2f262e06 PB |
2518 | { |
2519 | return g_strdup(object_get_typename(obj)); | |
2520 | } | |
2521 | ||
d7bce999 EB |
2522 | static void property_get_uint8_ptr(Object *obj, Visitor *v, const char *name, |
2523 | void *opaque, Error **errp) | |
e732ea63 MT |
2524 | { |
2525 | uint8_t value = *(uint8_t *)opaque; | |
51e72bc1 | 2526 | visit_type_uint8(v, name, &value, errp); |
e732ea63 MT |
2527 | } |
2528 | ||
836e1b38 FF |
2529 | static void property_set_uint8_ptr(Object *obj, Visitor *v, const char *name, |
2530 | void *opaque, Error **errp) | |
2531 | { | |
2532 | uint8_t *field = opaque; | |
2533 | uint8_t value; | |
836e1b38 | 2534 | |
668f62ec | 2535 | if (!visit_type_uint8(v, name, &value, errp)) { |
836e1b38 FF |
2536 | return; |
2537 | } | |
2538 | ||
2539 | *field = value; | |
2540 | } | |
2541 | ||
d7bce999 EB |
2542 | static void property_get_uint16_ptr(Object *obj, Visitor *v, const char *name, |
2543 | void *opaque, Error **errp) | |
e732ea63 MT |
2544 | { |
2545 | uint16_t value = *(uint16_t *)opaque; | |
51e72bc1 | 2546 | visit_type_uint16(v, name, &value, errp); |
e732ea63 MT |
2547 | } |
2548 | ||
836e1b38 FF |
2549 | static void property_set_uint16_ptr(Object *obj, Visitor *v, const char *name, |
2550 | void *opaque, Error **errp) | |
2551 | { | |
2552 | uint16_t *field = opaque; | |
2553 | uint16_t value; | |
836e1b38 | 2554 | |
668f62ec | 2555 | if (!visit_type_uint16(v, name, &value, errp)) { |
836e1b38 FF |
2556 | return; |
2557 | } | |
2558 | ||
2559 | *field = value; | |
2560 | } | |
2561 | ||
d7bce999 EB |
2562 | static void property_get_uint32_ptr(Object *obj, Visitor *v, const char *name, |
2563 | void *opaque, Error **errp) | |
e732ea63 MT |
2564 | { |
2565 | uint32_t value = *(uint32_t *)opaque; | |
51e72bc1 | 2566 | visit_type_uint32(v, name, &value, errp); |
e732ea63 MT |
2567 | } |
2568 | ||
836e1b38 FF |
2569 | static void property_set_uint32_ptr(Object *obj, Visitor *v, const char *name, |
2570 | void *opaque, Error **errp) | |
2571 | { | |
2572 | uint32_t *field = opaque; | |
2573 | uint32_t value; | |
836e1b38 | 2574 | |
668f62ec | 2575 | if (!visit_type_uint32(v, name, &value, errp)) { |
836e1b38 FF |
2576 | return; |
2577 | } | |
2578 | ||
2579 | *field = value; | |
2580 | } | |
2581 | ||
d7bce999 EB |
2582 | static void property_get_uint64_ptr(Object *obj, Visitor *v, const char *name, |
2583 | void *opaque, Error **errp) | |
e732ea63 MT |
2584 | { |
2585 | uint64_t value = *(uint64_t *)opaque; | |
51e72bc1 | 2586 | visit_type_uint64(v, name, &value, errp); |
e732ea63 MT |
2587 | } |
2588 | ||
836e1b38 FF |
2589 | static void property_set_uint64_ptr(Object *obj, Visitor *v, const char *name, |
2590 | void *opaque, Error **errp) | |
2591 | { | |
2592 | uint64_t *field = opaque; | |
2593 | uint64_t value; | |
836e1b38 | 2594 | |
668f62ec | 2595 | if (!visit_type_uint64(v, name, &value, errp)) { |
836e1b38 FF |
2596 | return; |
2597 | } | |
2598 | ||
2599 | *field = value; | |
2600 | } | |
2601 | ||
70251887 MA |
2602 | ObjectProperty * |
2603 | object_property_add_uint8_ptr(Object *obj, const char *name, | |
2604 | const uint8_t *v, | |
d2623129 | 2605 | ObjectPropertyFlags flags) |
e732ea63 | 2606 | { |
836e1b38 FF |
2607 | ObjectPropertyAccessor *getter = NULL; |
2608 | ObjectPropertyAccessor *setter = NULL; | |
2609 | ||
2610 | if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) { | |
2611 | getter = property_get_uint8_ptr; | |
2612 | } | |
2613 | ||
2614 | if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) { | |
2615 | setter = property_set_uint8_ptr; | |
2616 | } | |
2617 | ||
70251887 | 2618 | return object_property_add(obj, name, "uint8", |
d2623129 | 2619 | getter, setter, NULL, (void *)v); |
e732ea63 MT |
2620 | } |
2621 | ||
a3a16211 MAL |
2622 | ObjectProperty * |
2623 | object_class_property_add_uint8_ptr(ObjectClass *klass, const char *name, | |
836e1b38 | 2624 | const uint8_t *v, |
d2623129 | 2625 | ObjectPropertyFlags flags) |
16bf7f52 | 2626 | { |
836e1b38 FF |
2627 | ObjectPropertyAccessor *getter = NULL; |
2628 | ObjectPropertyAccessor *setter = NULL; | |
2629 | ||
2630 | if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) { | |
2631 | getter = property_get_uint8_ptr; | |
2632 | } | |
2633 | ||
2634 | if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) { | |
2635 | setter = property_set_uint8_ptr; | |
2636 | } | |
2637 | ||
a3a16211 | 2638 | return object_class_property_add(klass, name, "uint8", |
d2623129 | 2639 | getter, setter, NULL, (void *)v); |
16bf7f52 DB |
2640 | } |
2641 | ||
70251887 MA |
2642 | ObjectProperty * |
2643 | object_property_add_uint16_ptr(Object *obj, const char *name, | |
2644 | const uint16_t *v, | |
d2623129 | 2645 | ObjectPropertyFlags flags) |
e732ea63 | 2646 | { |
836e1b38 FF |
2647 | ObjectPropertyAccessor *getter = NULL; |
2648 | ObjectPropertyAccessor *setter = NULL; | |
2649 | ||
2650 | if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) { | |
2651 | getter = property_get_uint16_ptr; | |
2652 | } | |
2653 | ||
2654 | if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) { | |
2655 | setter = property_set_uint16_ptr; | |
2656 | } | |
2657 | ||
70251887 | 2658 | return object_property_add(obj, name, "uint16", |
d2623129 | 2659 | getter, setter, NULL, (void *)v); |
e732ea63 MT |
2660 | } |
2661 | ||
a3a16211 MAL |
2662 | ObjectProperty * |
2663 | object_class_property_add_uint16_ptr(ObjectClass *klass, const char *name, | |
836e1b38 | 2664 | const uint16_t *v, |
d2623129 | 2665 | ObjectPropertyFlags flags) |
16bf7f52 | 2666 | { |
836e1b38 FF |
2667 | ObjectPropertyAccessor *getter = NULL; |
2668 | ObjectPropertyAccessor *setter = NULL; | |
2669 | ||
2670 | if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) { | |
2671 | getter = property_get_uint16_ptr; | |
2672 | } | |
2673 | ||
2674 | if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) { | |
2675 | setter = property_set_uint16_ptr; | |
2676 | } | |
2677 | ||
a3a16211 | 2678 | return object_class_property_add(klass, name, "uint16", |
d2623129 | 2679 | getter, setter, NULL, (void *)v); |
16bf7f52 DB |
2680 | } |
2681 | ||
70251887 MA |
2682 | ObjectProperty * |
2683 | object_property_add_uint32_ptr(Object *obj, const char *name, | |
2684 | const uint32_t *v, | |
d2623129 | 2685 | ObjectPropertyFlags flags) |
e732ea63 | 2686 | { |
836e1b38 FF |
2687 | ObjectPropertyAccessor *getter = NULL; |
2688 | ObjectPropertyAccessor *setter = NULL; | |
2689 | ||
2690 | if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) { | |
2691 | getter = property_get_uint32_ptr; | |
2692 | } | |
2693 | ||
2694 | if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) { | |
2695 | setter = property_set_uint32_ptr; | |
2696 | } | |
2697 | ||
70251887 | 2698 | return object_property_add(obj, name, "uint32", |
d2623129 | 2699 | getter, setter, NULL, (void *)v); |
e732ea63 MT |
2700 | } |
2701 | ||
a3a16211 MAL |
2702 | ObjectProperty * |
2703 | object_class_property_add_uint32_ptr(ObjectClass *klass, const char *name, | |
836e1b38 | 2704 | const uint32_t *v, |
d2623129 | 2705 | ObjectPropertyFlags flags) |
16bf7f52 | 2706 | { |
836e1b38 FF |
2707 | ObjectPropertyAccessor *getter = NULL; |
2708 | ObjectPropertyAccessor *setter = NULL; | |
2709 | ||
2710 | if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) { | |
2711 | getter = property_get_uint32_ptr; | |
2712 | } | |
2713 | ||
2714 | if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) { | |
2715 | setter = property_set_uint32_ptr; | |
2716 | } | |
2717 | ||
a3a16211 | 2718 | return object_class_property_add(klass, name, "uint32", |
d2623129 | 2719 | getter, setter, NULL, (void *)v); |
16bf7f52 DB |
2720 | } |
2721 | ||
70251887 MA |
2722 | ObjectProperty * |
2723 | object_property_add_uint64_ptr(Object *obj, const char *name, | |
2724 | const uint64_t *v, | |
d2623129 | 2725 | ObjectPropertyFlags flags) |
e732ea63 | 2726 | { |
836e1b38 FF |
2727 | ObjectPropertyAccessor *getter = NULL; |
2728 | ObjectPropertyAccessor *setter = NULL; | |
2729 | ||
2730 | if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) { | |
2731 | getter = property_get_uint64_ptr; | |
2732 | } | |
2733 | ||
2734 | if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) { | |
2735 | setter = property_set_uint64_ptr; | |
2736 | } | |
2737 | ||
70251887 | 2738 | return object_property_add(obj, name, "uint64", |
d2623129 | 2739 | getter, setter, NULL, (void *)v); |
e732ea63 MT |
2740 | } |
2741 | ||
a3a16211 MAL |
2742 | ObjectProperty * |
2743 | object_class_property_add_uint64_ptr(ObjectClass *klass, const char *name, | |
836e1b38 | 2744 | const uint64_t *v, |
d2623129 | 2745 | ObjectPropertyFlags flags) |
16bf7f52 | 2746 | { |
836e1b38 FF |
2747 | ObjectPropertyAccessor *getter = NULL; |
2748 | ObjectPropertyAccessor *setter = NULL; | |
2749 | ||
2750 | if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) { | |
2751 | getter = property_get_uint64_ptr; | |
2752 | } | |
2753 | ||
2754 | if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) { | |
2755 | setter = property_set_uint64_ptr; | |
2756 | } | |
2757 | ||
a3a16211 | 2758 | return object_class_property_add(klass, name, "uint64", |
d2623129 | 2759 | getter, setter, NULL, (void *)v); |
16bf7f52 DB |
2760 | } |
2761 | ||
ef7c7ff6 SH |
2762 | typedef struct { |
2763 | Object *target_obj; | |
1590d266 | 2764 | char *target_name; |
ef7c7ff6 SH |
2765 | } AliasProperty; |
2766 | ||
d7bce999 EB |
2767 | static void property_get_alias(Object *obj, Visitor *v, const char *name, |
2768 | void *opaque, Error **errp) | |
ef7c7ff6 SH |
2769 | { |
2770 | AliasProperty *prop = opaque; | |
cbc94d97 | 2771 | Visitor *alias_v = visitor_forward_field(v, prop->target_name, name); |
ef7c7ff6 | 2772 | |
cbc94d97 PB |
2773 | object_property_get(prop->target_obj, prop->target_name, alias_v, errp); |
2774 | visit_free(alias_v); | |
ef7c7ff6 SH |
2775 | } |
2776 | ||
d7bce999 EB |
2777 | static void property_set_alias(Object *obj, Visitor *v, const char *name, |
2778 | void *opaque, Error **errp) | |
ef7c7ff6 SH |
2779 | { |
2780 | AliasProperty *prop = opaque; | |
cbc94d97 | 2781 | Visitor *alias_v = visitor_forward_field(v, prop->target_name, name); |
ef7c7ff6 | 2782 | |
cbc94d97 PB |
2783 | object_property_set(prop->target_obj, prop->target_name, alias_v, errp); |
2784 | visit_free(alias_v); | |
ef7c7ff6 SH |
2785 | } |
2786 | ||
64607d08 | 2787 | static Object *property_resolve_alias(Object *obj, void *opaque, |
ddfb0baa | 2788 | const char *part) |
64607d08 PB |
2789 | { |
2790 | AliasProperty *prop = opaque; | |
2791 | ||
2792 | return object_resolve_path_component(prop->target_obj, prop->target_name); | |
2793 | } | |
2794 | ||
ef7c7ff6 SH |
2795 | static void property_release_alias(Object *obj, const char *name, void *opaque) |
2796 | { | |
2797 | AliasProperty *prop = opaque; | |
2798 | ||
1590d266 | 2799 | g_free(prop->target_name); |
ef7c7ff6 SH |
2800 | g_free(prop); |
2801 | } | |
2802 | ||
70251887 MA |
2803 | ObjectProperty * |
2804 | object_property_add_alias(Object *obj, const char *name, | |
d2623129 | 2805 | Object *target_obj, const char *target_name) |
ef7c7ff6 SH |
2806 | { |
2807 | AliasProperty *prop; | |
64607d08 | 2808 | ObjectProperty *op; |
ef7c7ff6 | 2809 | ObjectProperty *target_prop; |
70251887 | 2810 | g_autofree char *prop_type = NULL; |
ef7c7ff6 | 2811 | |
efba1595 DB |
2812 | target_prop = object_property_find_err(target_obj, target_name, |
2813 | &error_abort); | |
ef7c7ff6 | 2814 | |
d190698e PB |
2815 | if (object_property_is_child(target_prop)) { |
2816 | prop_type = g_strdup_printf("link%s", | |
2817 | target_prop->type + strlen("child")); | |
2818 | } else { | |
2819 | prop_type = g_strdup(target_prop->type); | |
2820 | } | |
2821 | ||
ef7c7ff6 SH |
2822 | prop = g_malloc(sizeof(*prop)); |
2823 | prop->target_obj = target_obj; | |
1590d266 | 2824 | prop->target_name = g_strdup(target_name); |
ef7c7ff6 | 2825 | |
d190698e | 2826 | op = object_property_add(obj, name, prop_type, |
64607d08 PB |
2827 | property_get_alias, |
2828 | property_set_alias, | |
2829 | property_release_alias, | |
d2623129 | 2830 | prop); |
64607d08 | 2831 | op->resolve = property_resolve_alias; |
0e76ed0a MAL |
2832 | if (target_prop->defval) { |
2833 | op->defval = qobject_ref(target_prop->defval); | |
2834 | } | |
d190698e | 2835 | |
a18bb417 | 2836 | object_property_set_description(obj, op->name, |
7eecec7d | 2837 | target_prop->description); |
70251887 | 2838 | return op; |
ef7c7ff6 SH |
2839 | } |
2840 | ||
80742642 | 2841 | void object_property_set_description(Object *obj, const char *name, |
7eecec7d | 2842 | const char *description) |
80742642 GA |
2843 | { |
2844 | ObjectProperty *op; | |
2845 | ||
efba1595 | 2846 | op = object_property_find_err(obj, name, &error_abort); |
80742642 GA |
2847 | g_free(op->description); |
2848 | op->description = g_strdup(description); | |
2849 | } | |
2850 | ||
16bf7f52 DB |
2851 | void object_class_property_set_description(ObjectClass *klass, |
2852 | const char *name, | |
7eecec7d | 2853 | const char *description) |
16bf7f52 DB |
2854 | { |
2855 | ObjectProperty *op; | |
2856 | ||
2857 | op = g_hash_table_lookup(klass->properties, name); | |
16bf7f52 DB |
2858 | g_free(op->description); |
2859 | op->description = g_strdup(description); | |
2860 | } | |
2861 | ||
7439a036 | 2862 | static void object_class_init(ObjectClass *klass, void *data) |
2f262e06 | 2863 | { |
90c69fb9 | 2864 | object_class_property_add_str(klass, "type", object_get_type, |
d2623129 | 2865 | NULL); |
2f262e06 PB |
2866 | } |
2867 | ||
745549c8 PB |
2868 | static void register_types(void) |
2869 | { | |
5e78c98b | 2870 | static const TypeInfo interface_info = { |
745549c8 | 2871 | .name = TYPE_INTERFACE, |
33e95c63 | 2872 | .class_size = sizeof(InterfaceClass), |
745549c8 PB |
2873 | .abstract = true, |
2874 | }; | |
2875 | ||
5e78c98b | 2876 | static const TypeInfo object_info = { |
745549c8 PB |
2877 | .name = TYPE_OBJECT, |
2878 | .instance_size = sizeof(Object), | |
7439a036 | 2879 | .class_init = object_class_init, |
745549c8 PB |
2880 | .abstract = true, |
2881 | }; | |
2882 | ||
049cb3cf PB |
2883 | type_interface = type_register_internal(&interface_info); |
2884 | type_register_internal(&object_info); | |
745549c8 PB |
2885 | } |
2886 | ||
2887 | type_init(register_types) |