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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] == '+') { | |
163 | if (plen == 6 && g_str_has_prefix(name, "power")) { | |
164 | /* Allow "power5+" and "power7+" CPU names*/ | |
165 | return true; | |
166 | } | |
167 | if (plen >= 17 && g_str_has_prefix(name, "Sun-UltraSparc-I")) { | |
168 | /* Allow "Sun-UltraSparc-IV+" and "Sun-UltraSparc-IIIi+" */ | |
169 | return true; | |
170 | } | |
171 | } | |
172 | ||
173 | return plen == slen; | |
174 | } | |
175 | ||
b061dc41 PB |
176 | static TypeImpl *type_register_internal(const TypeInfo *info) |
177 | { | |
178 | TypeImpl *ti; | |
b447378e TH |
179 | |
180 | if (!type_name_is_valid(info->name)) { | |
181 | fprintf(stderr, "Registering '%s' with illegal type name\n", info->name); | |
182 | abort(); | |
183 | } | |
184 | ||
b061dc41 PB |
185 | ti = type_new(info); |
186 | ||
187 | type_table_add(ti); | |
2f28d2ff AL |
188 | return ti; |
189 | } | |
190 | ||
049cb3cf PB |
191 | TypeImpl *type_register(const TypeInfo *info) |
192 | { | |
193 | assert(info->parent); | |
194 | return type_register_internal(info); | |
195 | } | |
196 | ||
2f28d2ff AL |
197 | TypeImpl *type_register_static(const TypeInfo *info) |
198 | { | |
199 | return type_register(info); | |
200 | } | |
201 | ||
aa04c9d2 IM |
202 | void type_register_static_array(const TypeInfo *infos, int nr_infos) |
203 | { | |
204 | int i; | |
205 | ||
206 | for (i = 0; i < nr_infos; i++) { | |
207 | type_register_static(&infos[i]); | |
208 | } | |
209 | } | |
210 | ||
2f28d2ff AL |
211 | static TypeImpl *type_get_by_name(const char *name) |
212 | { | |
213 | if (name == NULL) { | |
214 | return NULL; | |
215 | } | |
216 | ||
217 | return type_table_lookup(name); | |
218 | } | |
219 | ||
220 | static TypeImpl *type_get_parent(TypeImpl *type) | |
221 | { | |
222 | if (!type->parent_type && type->parent) { | |
223 | type->parent_type = type_get_by_name(type->parent); | |
89d337fd PMD |
224 | if (!type->parent_type) { |
225 | fprintf(stderr, "Type '%s' is missing its parent '%s'\n", | |
226 | type->name, type->parent); | |
227 | abort(); | |
228 | } | |
2f28d2ff AL |
229 | } |
230 | ||
231 | return type->parent_type; | |
232 | } | |
233 | ||
234 | static bool type_has_parent(TypeImpl *type) | |
235 | { | |
236 | return (type->parent != NULL); | |
237 | } | |
238 | ||
239 | static size_t type_class_get_size(TypeImpl *ti) | |
240 | { | |
241 | if (ti->class_size) { | |
242 | return ti->class_size; | |
243 | } | |
244 | ||
245 | if (type_has_parent(ti)) { | |
246 | return type_class_get_size(type_get_parent(ti)); | |
247 | } | |
248 | ||
249 | return sizeof(ObjectClass); | |
250 | } | |
251 | ||
aca59af6 IM |
252 | static size_t type_object_get_size(TypeImpl *ti) |
253 | { | |
254 | if (ti->instance_size) { | |
255 | return ti->instance_size; | |
256 | } | |
257 | ||
258 | if (type_has_parent(ti)) { | |
259 | return type_object_get_size(type_get_parent(ti)); | |
260 | } | |
261 | ||
262 | return 0; | |
263 | } | |
264 | ||
ad4ec279 RH |
265 | static size_t type_object_get_align(TypeImpl *ti) |
266 | { | |
267 | if (ti->instance_align) { | |
268 | return ti->instance_align; | |
269 | } | |
270 | ||
271 | if (type_has_parent(ti)) { | |
272 | return type_object_get_align(type_get_parent(ti)); | |
273 | } | |
274 | ||
275 | return 0; | |
276 | } | |
277 | ||
3f97b53a BR |
278 | size_t object_type_get_instance_size(const char *typename) |
279 | { | |
280 | TypeImpl *type = type_get_by_name(typename); | |
281 | ||
282 | g_assert(type != NULL); | |
283 | return type_object_get_size(type); | |
284 | } | |
285 | ||
33e95c63 | 286 | static bool type_is_ancestor(TypeImpl *type, TypeImpl *target_type) |
2f28d2ff | 287 | { |
33e95c63 AL |
288 | assert(target_type); |
289 | ||
b30d8054 | 290 | /* Check if target_type is a direct ancestor of type */ |
33e95c63 AL |
291 | while (type) { |
292 | if (type == target_type) { | |
293 | return true; | |
294 | } | |
2f28d2ff | 295 | |
33e95c63 AL |
296 | type = type_get_parent(type); |
297 | } | |
298 | ||
299 | return false; | |
300 | } | |
301 | ||
302 | static void type_initialize(TypeImpl *ti); | |
303 | ||
b061dc41 PB |
304 | static void type_initialize_interface(TypeImpl *ti, TypeImpl *interface_type, |
305 | TypeImpl *parent_type) | |
33e95c63 AL |
306 | { |
307 | InterfaceClass *new_iface; | |
308 | TypeInfo info = { }; | |
309 | TypeImpl *iface_impl; | |
310 | ||
b061dc41 PB |
311 | info.parent = parent_type->name; |
312 | info.name = g_strdup_printf("%s::%s", ti->name, interface_type->name); | |
33e95c63 AL |
313 | info.abstract = true; |
314 | ||
b061dc41 PB |
315 | iface_impl = type_new(&info); |
316 | iface_impl->parent_type = parent_type; | |
33e95c63 AL |
317 | type_initialize(iface_impl); |
318 | g_free((char *)info.name); | |
319 | ||
320 | new_iface = (InterfaceClass *)iface_impl->class; | |
321 | new_iface->concrete_class = ti->class; | |
b061dc41 | 322 | new_iface->interface_type = interface_type; |
33e95c63 | 323 | |
3d91293e | 324 | ti->class->interfaces = g_slist_append(ti->class->interfaces, new_iface); |
2f28d2ff AL |
325 | } |
326 | ||
16bf7f52 DB |
327 | static void object_property_free(gpointer data) |
328 | { | |
329 | ObjectProperty *prop = data; | |
330 | ||
0e76ed0a MAL |
331 | if (prop->defval) { |
332 | qobject_unref(prop->defval); | |
333 | prop->defval = NULL; | |
334 | } | |
16bf7f52 DB |
335 | g_free(prop->name); |
336 | g_free(prop->type); | |
337 | g_free(prop->description); | |
338 | g_free(prop); | |
339 | } | |
340 | ||
ac451033 | 341 | static void type_initialize(TypeImpl *ti) |
2f28d2ff | 342 | { |
745549c8 | 343 | TypeImpl *parent; |
2f28d2ff AL |
344 | |
345 | if (ti->class) { | |
346 | return; | |
347 | } | |
348 | ||
349 | ti->class_size = type_class_get_size(ti); | |
aca59af6 | 350 | ti->instance_size = type_object_get_size(ti); |
ad4ec279 | 351 | ti->instance_align = type_object_get_align(ti); |
1c6d75d5 EH |
352 | /* Any type with zero instance_size is implicitly abstract. |
353 | * This means interface types are all abstract. | |
354 | */ | |
355 | if (ti->instance_size == 0) { | |
356 | ti->abstract = true; | |
357 | } | |
422ca143 MAL |
358 | if (type_is_ancestor(ti, type_interface)) { |
359 | assert(ti->instance_size == 0); | |
360 | assert(ti->abstract); | |
361 | assert(!ti->instance_init); | |
362 | assert(!ti->instance_post_init); | |
363 | assert(!ti->instance_finalize); | |
364 | assert(!ti->num_interfaces); | |
365 | } | |
2f28d2ff | 366 | ti->class = g_malloc0(ti->class_size); |
2f28d2ff | 367 | |
745549c8 PB |
368 | parent = type_get_parent(ti); |
369 | if (parent) { | |
ac451033 | 370 | type_initialize(parent); |
33e95c63 AL |
371 | GSList *e; |
372 | int i; | |
2f28d2ff | 373 | |
719a3077 | 374 | g_assert(parent->class_size <= ti->class_size); |
d5e633fc | 375 | g_assert(parent->instance_size <= ti->instance_size); |
745549c8 | 376 | memcpy(ti->class, parent->class, parent->class_size); |
3e407de4 | 377 | ti->class->interfaces = NULL; |
33e95c63 AL |
378 | |
379 | for (e = parent->class->interfaces; e; e = e->next) { | |
b061dc41 PB |
380 | InterfaceClass *iface = e->data; |
381 | ObjectClass *klass = OBJECT_CLASS(iface); | |
382 | ||
383 | type_initialize_interface(ti, iface->interface_type, klass->type); | |
33e95c63 AL |
384 | } |
385 | ||
386 | for (i = 0; i < ti->num_interfaces; i++) { | |
387 | TypeImpl *t = type_get_by_name(ti->interfaces[i].typename); | |
a9ee3a9e PMD |
388 | if (!t) { |
389 | error_report("missing interface '%s' for object '%s'", | |
390 | ti->interfaces[i].typename, parent->name); | |
391 | abort(); | |
392 | } | |
33e95c63 AL |
393 | for (e = ti->class->interfaces; e; e = e->next) { |
394 | TypeImpl *target_type = OBJECT_CLASS(e->data)->type; | |
395 | ||
396 | if (type_is_ancestor(target_type, t)) { | |
397 | break; | |
398 | } | |
399 | } | |
400 | ||
401 | if (e) { | |
402 | continue; | |
403 | } | |
404 | ||
b061dc41 | 405 | type_initialize_interface(ti, t, t); |
33e95c63 | 406 | } |
745549c8 | 407 | } |
2f28d2ff | 408 | |
e5a0cc5e MY |
409 | ti->class->properties = g_hash_table_new_full(g_str_hash, g_str_equal, NULL, |
410 | object_property_free); | |
411 | ||
745549c8 | 412 | ti->class->type = ti; |
3b50e311 | 413 | |
745549c8 PB |
414 | while (parent) { |
415 | if (parent->class_base_init) { | |
416 | parent->class_base_init(ti->class, ti->class_data); | |
3b50e311 | 417 | } |
745549c8 | 418 | parent = type_get_parent(parent); |
2f28d2ff AL |
419 | } |
420 | ||
2f28d2ff AL |
421 | if (ti->class_init) { |
422 | ti->class_init(ti->class, ti->class_data); | |
423 | } | |
2f28d2ff AL |
424 | } |
425 | ||
426 | static void object_init_with_type(Object *obj, TypeImpl *ti) | |
427 | { | |
2f28d2ff AL |
428 | if (type_has_parent(ti)) { |
429 | object_init_with_type(obj, type_get_parent(ti)); | |
430 | } | |
431 | ||
2f28d2ff AL |
432 | if (ti->instance_init) { |
433 | ti->instance_init(obj); | |
434 | } | |
435 | } | |
436 | ||
8231c2dd EH |
437 | static void object_post_init_with_type(Object *obj, TypeImpl *ti) |
438 | { | |
439 | if (ti->instance_post_init) { | |
440 | ti->instance_post_init(obj); | |
441 | } | |
442 | ||
443 | if (type_has_parent(ti)) { | |
444 | object_post_init_with_type(obj, type_get_parent(ti)); | |
445 | } | |
446 | } | |
447 | ||
6fd5bef1 MA |
448 | bool object_apply_global_props(Object *obj, const GPtrArray *props, |
449 | Error **errp) | |
ea9ce893 | 450 | { |
ea9ce893 MAL |
451 | int i; |
452 | ||
453 | if (!props) { | |
6fd5bef1 | 454 | return true; |
ea9ce893 MAL |
455 | } |
456 | ||
457 | for (i = 0; i < props->len; i++) { | |
458 | GlobalProperty *p = g_ptr_array_index(props, i); | |
d769f0df | 459 | Error *err = NULL; |
ea9ce893 MAL |
460 | |
461 | if (object_dynamic_cast(obj, p->driver) == NULL) { | |
462 | continue; | |
463 | } | |
efba1595 | 464 | if (p->optional && !object_property_find(obj, p->property)) { |
92fd453c DDAG |
465 | continue; |
466 | } | |
ea9ce893 | 467 | p->used = true; |
778a2dc5 | 468 | if (!object_property_parse(obj, p->property, p->value, &err)) { |
ea9ce893 MAL |
469 | error_prepend(&err, "can't apply global %s.%s=%s: ", |
470 | p->driver, p->property, p->value); | |
50545b2c MAL |
471 | /* |
472 | * If errp != NULL, propagate error and return. | |
473 | * If errp == NULL, report a warning, but keep going | |
474 | * with the remaining globals. | |
475 | */ | |
476 | if (errp) { | |
477 | error_propagate(errp, err); | |
6fd5bef1 | 478 | return false; |
50545b2c MAL |
479 | } else { |
480 | warn_report_err(err); | |
481 | } | |
ea9ce893 MAL |
482 | } |
483 | } | |
6fd5bef1 MA |
484 | |
485 | return true; | |
ea9ce893 MAL |
486 | } |
487 | ||
617902af MA |
488 | /* |
489 | * Global property defaults | |
490 | * Slot 0: accelerator's global property defaults | |
491 | * Slot 1: machine's global property defaults | |
1fff3c20 | 492 | * Slot 2: global properties from legacy command line option |
617902af MA |
493 | * Each is a GPtrArray of of GlobalProperty. |
494 | * Applied in order, later entries override earlier ones. | |
495 | */ | |
1fff3c20 PB |
496 | static GPtrArray *object_compat_props[3]; |
497 | ||
498 | /* | |
499 | * Retrieve @GPtrArray for global property defined with options | |
500 | * other than "-global". These are generally used for syntactic | |
501 | * sugar and legacy command line options. | |
502 | */ | |
a8dc82ce GK |
503 | void object_register_sugar_prop(const char *driver, const char *prop, |
504 | const char *value, bool optional) | |
1fff3c20 PB |
505 | { |
506 | GlobalProperty *g; | |
507 | if (!object_compat_props[2]) { | |
508 | object_compat_props[2] = g_ptr_array_new(); | |
509 | } | |
510 | g = g_new0(GlobalProperty, 1); | |
511 | g->driver = g_strdup(driver); | |
512 | g->property = g_strdup(prop); | |
513 | g->value = g_strdup(value); | |
a8dc82ce | 514 | g->optional = optional; |
1fff3c20 PB |
515 | g_ptr_array_add(object_compat_props[2], g); |
516 | } | |
617902af MA |
517 | |
518 | /* | |
519 | * Set machine's global property defaults to @compat_props. | |
520 | * May be called at most once. | |
521 | */ | |
522 | void object_set_machine_compat_props(GPtrArray *compat_props) | |
523 | { | |
524 | assert(!object_compat_props[1]); | |
525 | object_compat_props[1] = compat_props; | |
526 | } | |
527 | ||
528 | /* | |
529 | * Set accelerator's global property defaults to @compat_props. | |
530 | * May be called at most once. | |
531 | */ | |
532 | void object_set_accelerator_compat_props(GPtrArray *compat_props) | |
533 | { | |
534 | assert(!object_compat_props[0]); | |
535 | object_compat_props[0] = compat_props; | |
536 | } | |
537 | ||
538 | void object_apply_compat_props(Object *obj) | |
539 | { | |
540 | int i; | |
541 | ||
542 | for (i = 0; i < ARRAY_SIZE(object_compat_props); i++) { | |
543 | object_apply_global_props(obj, object_compat_props[i], | |
1fff3c20 | 544 | i == 2 ? &error_fatal : &error_abort); |
617902af MA |
545 | } |
546 | } | |
547 | ||
2a1be4b3 MAL |
548 | static void object_class_property_init_all(Object *obj) |
549 | { | |
550 | ObjectPropertyIterator iter; | |
551 | ObjectProperty *prop; | |
552 | ||
553 | object_class_property_iter_init(&iter, object_get_class(obj)); | |
554 | while ((prop = object_property_iter_next(&iter))) { | |
555 | if (prop->init) { | |
556 | prop->init(obj, prop); | |
557 | } | |
558 | } | |
559 | } | |
560 | ||
e27a9595 | 561 | static void object_initialize_with_type(Object *obj, size_t size, TypeImpl *type) |
2f28d2ff | 562 | { |
ac451033 | 563 | type_initialize(type); |
aca59af6 | 564 | |
719a3077 | 565 | g_assert(type->instance_size >= sizeof(Object)); |
2f28d2ff | 566 | g_assert(type->abstract == false); |
719a3077 | 567 | g_assert(size >= type->instance_size); |
2f28d2ff AL |
568 | |
569 | memset(obj, 0, type->instance_size); | |
570 | obj->class = type->class; | |
764b6312 | 571 | object_ref(obj); |
2a1be4b3 | 572 | object_class_property_init_all(obj); |
b604a854 PF |
573 | obj->properties = g_hash_table_new_full(g_str_hash, g_str_equal, |
574 | NULL, object_property_free); | |
2f28d2ff | 575 | object_init_with_type(obj, type); |
8231c2dd | 576 | object_post_init_with_type(obj, type); |
2f28d2ff AL |
577 | } |
578 | ||
213f0c4f | 579 | void object_initialize(void *data, size_t size, const char *typename) |
2f28d2ff AL |
580 | { |
581 | TypeImpl *type = type_get_by_name(typename); | |
582 | ||
64f7aece GH |
583 | #ifdef CONFIG_MODULES |
584 | if (!type) { | |
c551fb0b CF |
585 | int rv = module_load_qom(typename, &error_fatal); |
586 | if (rv > 0) { | |
587 | type = type_get_by_name(typename); | |
588 | } else { | |
589 | error_report("missing object type '%s'", typename); | |
590 | exit(1); | |
591 | } | |
64f7aece GH |
592 | } |
593 | #endif | |
e02bdf1c PMD |
594 | if (!type) { |
595 | error_report("missing object type '%s'", typename); | |
596 | abort(); | |
597 | } | |
598 | ||
5b9237f6 | 599 | object_initialize_with_type(data, size, type); |
2f28d2ff AL |
600 | } |
601 | ||
6fd5bef1 MA |
602 | bool object_initialize_child_with_props(Object *parentobj, |
603 | const char *propname, | |
604 | void *childobj, size_t size, | |
605 | const char *type, | |
606 | Error **errp, ...) | |
0210b39d TH |
607 | { |
608 | va_list vargs; | |
6fd5bef1 | 609 | bool ok; |
0210b39d TH |
610 | |
611 | va_start(vargs, errp); | |
6fd5bef1 MA |
612 | ok = object_initialize_child_with_propsv(parentobj, propname, |
613 | childobj, size, type, errp, | |
614 | vargs); | |
0210b39d | 615 | va_end(vargs); |
6fd5bef1 | 616 | return ok; |
0210b39d TH |
617 | } |
618 | ||
6fd5bef1 MA |
619 | bool object_initialize_child_with_propsv(Object *parentobj, |
620 | const char *propname, | |
621 | void *childobj, size_t size, | |
622 | const char *type, | |
623 | Error **errp, va_list vargs) | |
0210b39d | 624 | { |
6fd5bef1 | 625 | bool ok = false; |
0210b39d | 626 | Object *obj; |
3650b2de | 627 | UserCreatable *uc; |
0210b39d TH |
628 | |
629 | object_initialize(childobj, size, type); | |
630 | obj = OBJECT(childobj); | |
631 | ||
b783f54d | 632 | if (!object_set_propv(obj, errp, vargs)) { |
0210b39d TH |
633 | goto out; |
634 | } | |
635 | ||
d2623129 | 636 | object_property_add_child(parentobj, propname, obj); |
0210b39d | 637 | |
3650b2de MAL |
638 | uc = (UserCreatable *)object_dynamic_cast(obj, TYPE_USER_CREATABLE); |
639 | if (uc) { | |
992861fb | 640 | if (!user_creatable_complete(uc, errp)) { |
0210b39d TH |
641 | object_unparent(obj); |
642 | goto out; | |
643 | } | |
644 | } | |
645 | ||
6fd5bef1 MA |
646 | ok = true; |
647 | ||
975ac455 | 648 | out: |
0210b39d | 649 | /* |
975ac455 MA |
650 | * We want @obj's reference to be 1 on success, 0 on failure. |
651 | * On success, it's 2: one taken by object_initialize(), and one | |
652 | * by object_property_add_child(). | |
653 | * On failure in object_initialize() or earlier, it's 1. | |
654 | * On failure afterwards, it's also 1: object_unparent() releases | |
655 | * the reference taken by object_property_add_child(). | |
0210b39d TH |
656 | */ |
657 | object_unref(obj); | |
6fd5bef1 | 658 | return ok; |
0210b39d TH |
659 | } |
660 | ||
9fc7fc4d MA |
661 | void object_initialize_child_internal(Object *parent, |
662 | const char *propname, | |
663 | void *child, size_t size, | |
664 | const char *type) | |
665 | { | |
666 | object_initialize_child_with_props(parent, propname, child, size, type, | |
667 | &error_abort, NULL); | |
668 | } | |
669 | ||
5d9d3f47 AF |
670 | static inline bool object_property_is_child(ObjectProperty *prop) |
671 | { | |
672 | return strstart(prop->type, "child<", NULL); | |
673 | } | |
674 | ||
57c9fafe AL |
675 | static void object_property_del_all(Object *obj) |
676 | { | |
9859facc | 677 | g_autoptr(GHashTable) done = g_hash_table_new(NULL, NULL); |
b604a854 | 678 | ObjectProperty *prop; |
9859facc | 679 | ObjectPropertyIterator iter; |
b604a854 PF |
680 | bool released; |
681 | ||
682 | do { | |
683 | released = false; | |
9859facc MAL |
684 | object_property_iter_init(&iter, obj); |
685 | while ((prop = object_property_iter_next(&iter)) != NULL) { | |
686 | if (g_hash_table_add(done, prop)) { | |
687 | if (prop->release) { | |
688 | prop->release(obj, prop->name, prop->opaque); | |
689 | released = true; | |
690 | break; | |
691 | } | |
b604a854 | 692 | } |
57c9fafe | 693 | } |
b604a854 | 694 | } while (released); |
57c9fafe | 695 | |
b604a854 | 696 | g_hash_table_unref(obj->properties); |
57c9fafe AL |
697 | } |
698 | ||
f73a32a5 | 699 | static void object_property_del_child(Object *obj, Object *child) |
57c9fafe AL |
700 | { |
701 | ObjectProperty *prop; | |
b604a854 PF |
702 | GHashTableIter iter; |
703 | gpointer key, value; | |
57c9fafe | 704 | |
b604a854 PF |
705 | g_hash_table_iter_init(&iter, obj->properties); |
706 | while (g_hash_table_iter_next(&iter, &key, &value)) { | |
707 | prop = value; | |
708 | if (object_property_is_child(prop) && prop->opaque == child) { | |
709 | if (prop->release) { | |
710 | prop->release(obj, prop->name, prop->opaque); | |
711 | prop->release = NULL; | |
712 | } | |
713 | break; | |
714 | } | |
715 | } | |
716 | g_hash_table_iter_init(&iter, obj->properties); | |
717 | while (g_hash_table_iter_next(&iter, &key, &value)) { | |
718 | prop = value; | |
5d9d3f47 | 719 | if (object_property_is_child(prop) && prop->opaque == child) { |
b604a854 | 720 | g_hash_table_iter_remove(&iter); |
6c1fdcf9 | 721 | break; |
57c9fafe AL |
722 | } |
723 | } | |
724 | } | |
725 | ||
726 | void object_unparent(Object *obj) | |
727 | { | |
e998fa8d | 728 | if (obj->parent) { |
f73a32a5 | 729 | object_property_del_child(obj->parent, obj); |
e998fa8d | 730 | } |
57c9fafe AL |
731 | } |
732 | ||
2f28d2ff AL |
733 | static void object_deinit(Object *obj, TypeImpl *type) |
734 | { | |
735 | if (type->instance_finalize) { | |
736 | type->instance_finalize(obj); | |
737 | } | |
738 | ||
2f28d2ff AL |
739 | if (type_has_parent(type)) { |
740 | object_deinit(obj, type_get_parent(type)); | |
741 | } | |
742 | } | |
743 | ||
339c2708 | 744 | static void object_finalize(void *data) |
2f28d2ff AL |
745 | { |
746 | Object *obj = data; | |
747 | TypeImpl *ti = obj->class->type; | |
748 | ||
57c9fafe | 749 | object_property_del_all(obj); |
76a6e1cc | 750 | object_deinit(obj, ti); |
db85b575 | 751 | |
719a3077 | 752 | g_assert(obj->ref == 0); |
63f957ac | 753 | g_assert(obj->parent == NULL); |
fde9bf44 PB |
754 | if (obj->free) { |
755 | obj->free(obj); | |
756 | } | |
2f28d2ff AL |
757 | } |
758 | ||
4c880f36 RH |
759 | /* Find the minimum alignment guaranteed by the system malloc. */ |
760 | #if __STDC_VERSION__ >= 201112L | |
3a2e982d | 761 | typedef max_align_t qemu_max_align_t; |
4c880f36 RH |
762 | #else |
763 | typedef union { | |
764 | long l; | |
765 | void *p; | |
766 | double d; | |
767 | long double ld; | |
768 | } qemu_max_align_t; | |
769 | #endif | |
770 | ||
63f7b10b | 771 | static Object *object_new_with_type(Type type) |
2f28d2ff AL |
772 | { |
773 | Object *obj; | |
4c880f36 RH |
774 | size_t size, align; |
775 | void (*obj_free)(void *); | |
2f28d2ff AL |
776 | |
777 | g_assert(type != NULL); | |
ac451033 | 778 | type_initialize(type); |
2f28d2ff | 779 | |
4c880f36 RH |
780 | size = type->instance_size; |
781 | align = type->instance_align; | |
782 | ||
783 | /* | |
784 | * Do not use qemu_memalign unless required. Depending on the | |
785 | * implementation, extra alignment implies extra overhead. | |
786 | */ | |
787 | if (likely(align <= __alignof__(qemu_max_align_t))) { | |
788 | obj = g_malloc(size); | |
789 | obj_free = g_free; | |
790 | } else { | |
791 | obj = qemu_memalign(align, size); | |
792 | obj_free = qemu_vfree; | |
793 | } | |
794 | ||
795 | object_initialize_with_type(obj, size, type); | |
796 | obj->free = obj_free; | |
2f28d2ff AL |
797 | |
798 | return obj; | |
799 | } | |
800 | ||
3c75e12e PB |
801 | Object *object_new_with_class(ObjectClass *klass) |
802 | { | |
803 | return object_new_with_type(klass->type); | |
804 | } | |
805 | ||
2f28d2ff AL |
806 | Object *object_new(const char *typename) |
807 | { | |
808 | TypeImpl *ti = type_get_by_name(typename); | |
809 | ||
810 | return object_new_with_type(ti); | |
811 | } | |
812 | ||
a31bdae5 DB |
813 | |
814 | Object *object_new_with_props(const char *typename, | |
815 | Object *parent, | |
816 | const char *id, | |
817 | Error **errp, | |
818 | ...) | |
819 | { | |
820 | va_list vargs; | |
821 | Object *obj; | |
822 | ||
823 | va_start(vargs, errp); | |
824 | obj = object_new_with_propv(typename, parent, id, errp, vargs); | |
825 | va_end(vargs); | |
826 | ||
827 | return obj; | |
828 | } | |
829 | ||
830 | ||
831 | Object *object_new_with_propv(const char *typename, | |
832 | Object *parent, | |
833 | const char *id, | |
834 | Error **errp, | |
835 | va_list vargs) | |
836 | { | |
837 | Object *obj; | |
838 | ObjectClass *klass; | |
3650b2de | 839 | UserCreatable *uc; |
a31bdae5 DB |
840 | |
841 | klass = object_class_by_name(typename); | |
842 | if (!klass) { | |
843 | error_setg(errp, "invalid object type: %s", typename); | |
844 | return NULL; | |
845 | } | |
846 | ||
847 | if (object_class_is_abstract(klass)) { | |
848 | error_setg(errp, "object type '%s' is abstract", typename); | |
849 | return NULL; | |
850 | } | |
66e1155a | 851 | obj = object_new_with_type(klass->type); |
a31bdae5 | 852 | |
b783f54d | 853 | if (!object_set_propv(obj, errp, vargs)) { |
a31bdae5 DB |
854 | goto error; |
855 | } | |
856 | ||
6134d752 | 857 | if (id != NULL) { |
d2623129 | 858 | object_property_add_child(parent, id, obj); |
a31bdae5 DB |
859 | } |
860 | ||
3650b2de MAL |
861 | uc = (UserCreatable *)object_dynamic_cast(obj, TYPE_USER_CREATABLE); |
862 | if (uc) { | |
992861fb | 863 | if (!user_creatable_complete(uc, errp)) { |
6134d752 DB |
864 | if (id != NULL) { |
865 | object_unparent(obj); | |
866 | } | |
a31bdae5 DB |
867 | goto error; |
868 | } | |
869 | } | |
870 | ||
688ffbb4 | 871 | object_unref(obj); |
a31bdae5 DB |
872 | return obj; |
873 | ||
874 | error: | |
a31bdae5 DB |
875 | object_unref(obj); |
876 | return NULL; | |
877 | } | |
878 | ||
879 | ||
b783f54d | 880 | bool object_set_props(Object *obj, |
a31bdae5 DB |
881 | Error **errp, |
882 | ...) | |
883 | { | |
884 | va_list vargs; | |
b783f54d | 885 | bool ret; |
a31bdae5 DB |
886 | |
887 | va_start(vargs, errp); | |
888 | ret = object_set_propv(obj, errp, vargs); | |
889 | va_end(vargs); | |
890 | ||
891 | return ret; | |
892 | } | |
893 | ||
894 | ||
b783f54d | 895 | bool object_set_propv(Object *obj, |
a31bdae5 DB |
896 | Error **errp, |
897 | va_list vargs) | |
898 | { | |
899 | const char *propname; | |
a31bdae5 DB |
900 | |
901 | propname = va_arg(vargs, char *); | |
902 | while (propname != NULL) { | |
903 | const char *value = va_arg(vargs, char *); | |
904 | ||
905 | g_assert(value != NULL); | |
668f62ec | 906 | if (!object_property_parse(obj, propname, value, errp)) { |
b783f54d | 907 | return false; |
a31bdae5 DB |
908 | } |
909 | propname = va_arg(vargs, char *); | |
910 | } | |
911 | ||
b783f54d | 912 | return true; |
a31bdae5 DB |
913 | } |
914 | ||
915 | ||
2f28d2ff AL |
916 | Object *object_dynamic_cast(Object *obj, const char *typename) |
917 | { | |
b7f43fe4 | 918 | if (obj && object_class_dynamic_cast(object_get_class(obj), typename)) { |
acc4af3f PB |
919 | return obj; |
920 | } | |
921 | ||
2f28d2ff AL |
922 | return NULL; |
923 | } | |
924 | ||
be17f18b PB |
925 | Object *object_dynamic_cast_assert(Object *obj, const char *typename, |
926 | const char *file, int line, const char *func) | |
2f28d2ff | 927 | { |
fa131d94 PB |
928 | trace_object_dynamic_cast_assert(obj ? obj->class->type->name : "(null)", |
929 | typename, file, line, func); | |
930 | ||
3556c233 | 931 | #ifdef CONFIG_QOM_CAST_DEBUG |
03587328 AL |
932 | int i; |
933 | Object *inst; | |
934 | ||
95916abc | 935 | for (i = 0; obj && i < OBJECT_CLASS_CAST_CACHE; i++) { |
d73415a3 | 936 | if (qatomic_read(&obj->class->object_cast_cache[i]) == typename) { |
03587328 AL |
937 | goto out; |
938 | } | |
939 | } | |
940 | ||
941 | inst = object_dynamic_cast(obj, typename); | |
2f28d2ff | 942 | |
b7f43fe4 | 943 | if (!inst && obj) { |
be17f18b PB |
944 | fprintf(stderr, "%s:%d:%s: Object %p is not an instance of type %s\n", |
945 | file, line, func, obj, typename); | |
2f28d2ff AL |
946 | abort(); |
947 | } | |
948 | ||
3556c233 | 949 | assert(obj == inst); |
03587328 | 950 | |
95916abc | 951 | if (obj && obj == inst) { |
03587328 | 952 | for (i = 1; i < OBJECT_CLASS_CAST_CACHE; i++) { |
d73415a3 SH |
953 | qatomic_set(&obj->class->object_cast_cache[i - 1], |
954 | qatomic_read(&obj->class->object_cast_cache[i])); | |
03587328 | 955 | } |
d73415a3 | 956 | qatomic_set(&obj->class->object_cast_cache[i - 1], typename); |
03587328 AL |
957 | } |
958 | ||
959 | out: | |
3556c233 PB |
960 | #endif |
961 | return obj; | |
2f28d2ff AL |
962 | } |
963 | ||
964 | ObjectClass *object_class_dynamic_cast(ObjectClass *class, | |
965 | const char *typename) | |
966 | { | |
33e95c63 | 967 | ObjectClass *ret = NULL; |
bf0fda34 PB |
968 | TypeImpl *target_type; |
969 | TypeImpl *type; | |
2f28d2ff | 970 | |
bf0fda34 PB |
971 | if (!class) { |
972 | return NULL; | |
973 | } | |
974 | ||
793c96b5 | 975 | /* A simple fast path that can trigger a lot for leaf classes. */ |
bf0fda34 | 976 | type = class->type; |
793c96b5 PB |
977 | if (type->name == typename) { |
978 | return class; | |
979 | } | |
980 | ||
bf0fda34 | 981 | target_type = type_get_by_name(typename); |
9ab880b3 AG |
982 | if (!target_type) { |
983 | /* target class type unknown, so fail the cast */ | |
984 | return NULL; | |
985 | } | |
986 | ||
00e2ceae PC |
987 | if (type->class->interfaces && |
988 | type_is_ancestor(target_type, type_interface)) { | |
33e95c63 AL |
989 | int found = 0; |
990 | GSList *i; | |
2f28d2ff | 991 | |
33e95c63 AL |
992 | for (i = class->interfaces; i; i = i->next) { |
993 | ObjectClass *target_class = i->data; | |
994 | ||
995 | if (type_is_ancestor(target_class->type, target_type)) { | |
996 | ret = target_class; | |
997 | found++; | |
998 | } | |
999 | } | |
1000 | ||
1001 | /* The match was ambiguous, don't allow a cast */ | |
1002 | if (found > 1) { | |
1003 | ret = NULL; | |
1004 | } | |
1005 | } else if (type_is_ancestor(type, target_type)) { | |
1006 | ret = class; | |
2f28d2ff AL |
1007 | } |
1008 | ||
33e95c63 | 1009 | return ret; |
2f28d2ff AL |
1010 | } |
1011 | ||
1012 | ObjectClass *object_class_dynamic_cast_assert(ObjectClass *class, | |
be17f18b PB |
1013 | const char *typename, |
1014 | const char *file, int line, | |
1015 | const char *func) | |
2f28d2ff | 1016 | { |
fa131d94 PB |
1017 | ObjectClass *ret; |
1018 | ||
1019 | trace_object_class_dynamic_cast_assert(class ? class->type->name : "(null)", | |
1020 | typename, file, line, func); | |
2f28d2ff | 1021 | |
03587328 AL |
1022 | #ifdef CONFIG_QOM_CAST_DEBUG |
1023 | int i; | |
1024 | ||
9d6a3d58 | 1025 | for (i = 0; class && i < OBJECT_CLASS_CAST_CACHE; i++) { |
d73415a3 | 1026 | if (qatomic_read(&class->class_cast_cache[i]) == typename) { |
03587328 AL |
1027 | ret = class; |
1028 | goto out; | |
1029 | } | |
1030 | } | |
1031 | #else | |
9d6a3d58 | 1032 | if (!class || !class->interfaces) { |
3556c233 PB |
1033 | return class; |
1034 | } | |
1035 | #endif | |
1036 | ||
fa131d94 | 1037 | ret = object_class_dynamic_cast(class, typename); |
bf0fda34 | 1038 | if (!ret && class) { |
be17f18b PB |
1039 | fprintf(stderr, "%s:%d:%s: Object %p is not an instance of type %s\n", |
1040 | file, line, func, class, typename); | |
2f28d2ff AL |
1041 | abort(); |
1042 | } | |
1043 | ||
03587328 | 1044 | #ifdef CONFIG_QOM_CAST_DEBUG |
9d6a3d58 | 1045 | if (class && ret == class) { |
03587328 | 1046 | for (i = 1; i < OBJECT_CLASS_CAST_CACHE; i++) { |
d73415a3 SH |
1047 | qatomic_set(&class->class_cast_cache[i - 1], |
1048 | qatomic_read(&class->class_cast_cache[i])); | |
03587328 | 1049 | } |
d73415a3 | 1050 | qatomic_set(&class->class_cast_cache[i - 1], typename); |
03587328 AL |
1051 | } |
1052 | out: | |
1053 | #endif | |
2f28d2ff AL |
1054 | return ret; |
1055 | } | |
1056 | ||
8f5d58ef | 1057 | const char *object_get_typename(const Object *obj) |
2f28d2ff AL |
1058 | { |
1059 | return obj->class->type->name; | |
1060 | } | |
1061 | ||
1062 | ObjectClass *object_get_class(Object *obj) | |
1063 | { | |
1064 | return obj->class; | |
1065 | } | |
1066 | ||
17862378 AF |
1067 | bool object_class_is_abstract(ObjectClass *klass) |
1068 | { | |
1069 | return klass->type->abstract; | |
1070 | } | |
1071 | ||
2f28d2ff AL |
1072 | const char *object_class_get_name(ObjectClass *klass) |
1073 | { | |
1074 | return klass->type->name; | |
1075 | } | |
1076 | ||
1077 | ObjectClass *object_class_by_name(const char *typename) | |
1078 | { | |
1079 | TypeImpl *type = type_get_by_name(typename); | |
1080 | ||
1081 | if (!type) { | |
1082 | return NULL; | |
1083 | } | |
1084 | ||
ac451033 | 1085 | type_initialize(type); |
2f28d2ff AL |
1086 | |
1087 | return type->class; | |
1088 | } | |
1089 | ||
0f8198f1 GH |
1090 | ObjectClass *module_object_class_by_name(const char *typename) |
1091 | { | |
1092 | ObjectClass *oc; | |
1093 | ||
1094 | oc = object_class_by_name(typename); | |
1095 | #ifdef CONFIG_MODULES | |
1096 | if (!oc) { | |
c551fb0b CF |
1097 | Error *local_err = NULL; |
1098 | int rv = module_load_qom(typename, &local_err); | |
1099 | if (rv > 0) { | |
1100 | oc = object_class_by_name(typename); | |
1101 | } else if (rv < 0) { | |
1102 | error_report_err(local_err); | |
1103 | } | |
0f8198f1 GH |
1104 | } |
1105 | #endif | |
1106 | return oc; | |
1107 | } | |
1108 | ||
e7cce67f PB |
1109 | ObjectClass *object_class_get_parent(ObjectClass *class) |
1110 | { | |
1111 | TypeImpl *type = type_get_parent(class->type); | |
1112 | ||
1113 | if (!type) { | |
1114 | return NULL; | |
1115 | } | |
1116 | ||
1117 | type_initialize(type); | |
1118 | ||
1119 | return type->class; | |
1120 | } | |
1121 | ||
2f28d2ff AL |
1122 | typedef struct OCFData |
1123 | { | |
1124 | void (*fn)(ObjectClass *klass, void *opaque); | |
93c511a1 AL |
1125 | const char *implements_type; |
1126 | bool include_abstract; | |
2f28d2ff AL |
1127 | void *opaque; |
1128 | } OCFData; | |
1129 | ||
1130 | static void object_class_foreach_tramp(gpointer key, gpointer value, | |
1131 | gpointer opaque) | |
1132 | { | |
1133 | OCFData *data = opaque; | |
1134 | TypeImpl *type = value; | |
93c511a1 | 1135 | ObjectClass *k; |
2f28d2ff | 1136 | |
ac451033 | 1137 | type_initialize(type); |
93c511a1 | 1138 | k = type->class; |
2f28d2ff | 1139 | |
93c511a1 AL |
1140 | if (!data->include_abstract && type->abstract) { |
1141 | return; | |
1142 | } | |
1143 | ||
1144 | if (data->implements_type && | |
1145 | !object_class_dynamic_cast(k, data->implements_type)) { | |
1146 | return; | |
1147 | } | |
1148 | ||
1149 | data->fn(k, data->opaque); | |
2f28d2ff AL |
1150 | } |
1151 | ||
1152 | void object_class_foreach(void (*fn)(ObjectClass *klass, void *opaque), | |
93c511a1 | 1153 | const char *implements_type, bool include_abstract, |
2f28d2ff AL |
1154 | void *opaque) |
1155 | { | |
93c511a1 | 1156 | OCFData data = { fn, implements_type, include_abstract, opaque }; |
2f28d2ff | 1157 | |
f54c19ca | 1158 | enumerating_types = true; |
2f28d2ff | 1159 | g_hash_table_foreach(type_table_get(), object_class_foreach_tramp, &data); |
f54c19ca | 1160 | enumerating_types = false; |
2f28d2ff | 1161 | } |
57c9fafe | 1162 | |
d714b8de PC |
1163 | static int do_object_child_foreach(Object *obj, |
1164 | int (*fn)(Object *child, void *opaque), | |
1165 | void *opaque, bool recurse) | |
32efc535 | 1166 | { |
b604a854 PF |
1167 | GHashTableIter iter; |
1168 | ObjectProperty *prop; | |
32efc535 PB |
1169 | int ret = 0; |
1170 | ||
b604a854 PF |
1171 | g_hash_table_iter_init(&iter, obj->properties); |
1172 | while (g_hash_table_iter_next(&iter, NULL, (gpointer *)&prop)) { | |
32efc535 | 1173 | if (object_property_is_child(prop)) { |
d714b8de PC |
1174 | Object *child = prop->opaque; |
1175 | ||
1176 | ret = fn(child, opaque); | |
32efc535 PB |
1177 | if (ret != 0) { |
1178 | break; | |
1179 | } | |
d714b8de | 1180 | if (recurse) { |
4a39181d CLG |
1181 | ret = do_object_child_foreach(child, fn, opaque, true); |
1182 | if (ret != 0) { | |
1183 | break; | |
1184 | } | |
d714b8de | 1185 | } |
32efc535 PB |
1186 | } |
1187 | } | |
1188 | return ret; | |
1189 | } | |
1190 | ||
d714b8de PC |
1191 | int object_child_foreach(Object *obj, int (*fn)(Object *child, void *opaque), |
1192 | void *opaque) | |
1193 | { | |
1194 | return do_object_child_foreach(obj, fn, opaque, false); | |
1195 | } | |
1196 | ||
1197 | int object_child_foreach_recursive(Object *obj, | |
1198 | int (*fn)(Object *child, void *opaque), | |
1199 | void *opaque) | |
1200 | { | |
1201 | return do_object_child_foreach(obj, fn, opaque, true); | |
1202 | } | |
1203 | ||
418ba9e5 AF |
1204 | static void object_class_get_list_tramp(ObjectClass *klass, void *opaque) |
1205 | { | |
1206 | GSList **list = opaque; | |
1207 | ||
1208 | *list = g_slist_prepend(*list, klass); | |
1209 | } | |
1210 | ||
1211 | GSList *object_class_get_list(const char *implements_type, | |
1212 | bool include_abstract) | |
1213 | { | |
1214 | GSList *list = NULL; | |
1215 | ||
1216 | object_class_foreach(object_class_get_list_tramp, | |
1217 | implements_type, include_abstract, &list); | |
1218 | return list; | |
1219 | } | |
1220 | ||
47c66009 PB |
1221 | static gint object_class_cmp(gconstpointer a, gconstpointer b) |
1222 | { | |
1223 | return strcasecmp(object_class_get_name((ObjectClass *)a), | |
1224 | object_class_get_name((ObjectClass *)b)); | |
1225 | } | |
1226 | ||
1227 | GSList *object_class_get_list_sorted(const char *implements_type, | |
1228 | bool include_abstract) | |
1229 | { | |
1230 | return g_slist_sort(object_class_get_list(implements_type, include_abstract), | |
1231 | object_class_cmp); | |
1232 | } | |
1233 | ||
c5a61e5a | 1234 | Object *object_ref(void *objptr) |
57c9fafe | 1235 | { |
c5a61e5a | 1236 | Object *obj = OBJECT(objptr); |
e3682878 MT |
1237 | uint32_t ref; |
1238 | ||
8ffad850 | 1239 | if (!obj) { |
b77ade9b | 1240 | return NULL; |
8ffad850 | 1241 | } |
e3682878 MT |
1242 | ref = qatomic_fetch_inc(&obj->ref); |
1243 | /* Assert waaay before the integer overflows */ | |
1244 | g_assert(ref < INT_MAX); | |
b77ade9b | 1245 | return obj; |
57c9fafe AL |
1246 | } |
1247 | ||
c5a61e5a | 1248 | void object_unref(void *objptr) |
57c9fafe | 1249 | { |
c5a61e5a | 1250 | Object *obj = OBJECT(objptr); |
8ffad850 PC |
1251 | if (!obj) { |
1252 | return; | |
1253 | } | |
719a3077 | 1254 | g_assert(obj->ref > 0); |
57c9fafe AL |
1255 | |
1256 | /* parent always holds a reference to its children */ | |
d73415a3 | 1257 | if (qatomic_fetch_dec(&obj->ref) == 1) { |
57c9fafe AL |
1258 | object_finalize(obj); |
1259 | } | |
1260 | } | |
1261 | ||
db57fef1 | 1262 | ObjectProperty * |
d2623129 MA |
1263 | object_property_try_add(Object *obj, const char *name, const char *type, |
1264 | ObjectPropertyAccessor *get, | |
1265 | ObjectPropertyAccessor *set, | |
1266 | ObjectPropertyRelease *release, | |
1267 | void *opaque, Error **errp) | |
57c9fafe | 1268 | { |
54852b03 | 1269 | ObjectProperty *prop; |
33965904 PC |
1270 | size_t name_len = strlen(name); |
1271 | ||
1272 | if (name_len >= 3 && !memcmp(name + name_len - 3, "[*]", 4)) { | |
1273 | int i; | |
1bf8b88f | 1274 | ObjectProperty *ret = NULL; |
33965904 PC |
1275 | char *name_no_array = g_strdup(name); |
1276 | ||
1277 | name_no_array[name_len - 3] = '\0'; | |
1bf8b88f | 1278 | for (i = 0; i < INT16_MAX; ++i) { |
33965904 PC |
1279 | char *full_name = g_strdup_printf("%s[%d]", name_no_array, i); |
1280 | ||
d2623129 MA |
1281 | ret = object_property_try_add(obj, full_name, type, get, set, |
1282 | release, opaque, NULL); | |
33965904 PC |
1283 | g_free(full_name); |
1284 | if (ret) { | |
1285 | break; | |
1286 | } | |
1287 | } | |
1288 | g_free(name_no_array); | |
1bf8b88f | 1289 | assert(ret); |
33965904 PC |
1290 | return ret; |
1291 | } | |
54852b03 | 1292 | |
efba1595 | 1293 | if (object_property_find(obj, name) != NULL) { |
d55e937d GK |
1294 | error_setg(errp, "attempt to add duplicate property '%s' to object (type '%s')", |
1295 | name, object_get_typename(obj)); | |
b604a854 | 1296 | return NULL; |
54852b03 PM |
1297 | } |
1298 | ||
1299 | prop = g_malloc0(sizeof(*prop)); | |
57c9fafe AL |
1300 | |
1301 | prop->name = g_strdup(name); | |
1302 | prop->type = g_strdup(type); | |
1303 | ||
1304 | prop->get = get; | |
1305 | prop->set = set; | |
1306 | prop->release = release; | |
1307 | prop->opaque = opaque; | |
1308 | ||
b604a854 | 1309 | g_hash_table_insert(obj->properties, prop->name, prop); |
64607d08 | 1310 | return prop; |
57c9fafe AL |
1311 | } |
1312 | ||
d2623129 MA |
1313 | ObjectProperty * |
1314 | object_property_add(Object *obj, const char *name, const char *type, | |
1315 | ObjectPropertyAccessor *get, | |
1316 | ObjectPropertyAccessor *set, | |
1317 | ObjectPropertyRelease *release, | |
1318 | void *opaque) | |
1319 | { | |
1320 | return object_property_try_add(obj, name, type, get, set, release, | |
1321 | opaque, &error_abort); | |
1322 | } | |
1323 | ||
16bf7f52 DB |
1324 | ObjectProperty * |
1325 | object_class_property_add(ObjectClass *klass, | |
1326 | const char *name, | |
1327 | const char *type, | |
1328 | ObjectPropertyAccessor *get, | |
1329 | ObjectPropertyAccessor *set, | |
1330 | ObjectPropertyRelease *release, | |
d2623129 | 1331 | void *opaque) |
16bf7f52 DB |
1332 | { |
1333 | ObjectProperty *prop; | |
1334 | ||
efba1595 | 1335 | assert(!object_class_property_find(klass, name)); |
16bf7f52 DB |
1336 | |
1337 | prop = g_malloc0(sizeof(*prop)); | |
1338 | ||
1339 | prop->name = g_strdup(name); | |
1340 | prop->type = g_strdup(type); | |
1341 | ||
1342 | prop->get = get; | |
1343 | prop->set = set; | |
1344 | prop->release = release; | |
1345 | prop->opaque = opaque; | |
1346 | ||
ba806ffb | 1347 | g_hash_table_insert(klass->properties, prop->name, prop); |
16bf7f52 DB |
1348 | |
1349 | return prop; | |
1350 | } | |
1351 | ||
efba1595 | 1352 | ObjectProperty *object_property_find(Object *obj, const char *name) |
57c9fafe AL |
1353 | { |
1354 | ObjectProperty *prop; | |
16bf7f52 DB |
1355 | ObjectClass *klass = object_get_class(obj); |
1356 | ||
efba1595 | 1357 | prop = object_class_property_find(klass, name); |
16bf7f52 DB |
1358 | if (prop) { |
1359 | return prop; | |
1360 | } | |
57c9fafe | 1361 | |
efba1595 DB |
1362 | return g_hash_table_lookup(obj->properties, name); |
1363 | } | |
57c9fafe | 1364 | |
efba1595 DB |
1365 | ObjectProperty *object_property_find_err(Object *obj, const char *name, |
1366 | Error **errp) | |
1367 | { | |
1368 | ObjectProperty *prop = object_property_find(obj, name); | |
1369 | if (!prop) { | |
4d9c7c84 PMD |
1370 | error_setg(errp, "Property '%s.%s' not found", |
1371 | object_get_typename(obj), name); | |
efba1595 DB |
1372 | } |
1373 | return prop; | |
57c9fafe AL |
1374 | } |
1375 | ||
7746abd8 DB |
1376 | void object_property_iter_init(ObjectPropertyIterator *iter, |
1377 | Object *obj) | |
a00c9482 | 1378 | { |
7746abd8 DB |
1379 | g_hash_table_iter_init(&iter->iter, obj->properties); |
1380 | iter->nextclass = object_get_class(obj); | |
a00c9482 DB |
1381 | } |
1382 | ||
1383 | ObjectProperty *object_property_iter_next(ObjectPropertyIterator *iter) | |
1384 | { | |
b604a854 | 1385 | gpointer key, val; |
16bf7f52 DB |
1386 | while (!g_hash_table_iter_next(&iter->iter, &key, &val)) { |
1387 | if (!iter->nextclass) { | |
1388 | return NULL; | |
1389 | } | |
1390 | g_hash_table_iter_init(&iter->iter, iter->nextclass->properties); | |
1391 | iter->nextclass = object_class_get_parent(iter->nextclass); | |
a00c9482 | 1392 | } |
b604a854 | 1393 | return val; |
a00c9482 DB |
1394 | } |
1395 | ||
961c47bb AK |
1396 | void object_class_property_iter_init(ObjectPropertyIterator *iter, |
1397 | ObjectClass *klass) | |
1398 | { | |
1399 | g_hash_table_iter_init(&iter->iter, klass->properties); | |
684546d8 | 1400 | iter->nextclass = object_class_get_parent(klass); |
961c47bb AK |
1401 | } |
1402 | ||
efba1595 | 1403 | ObjectProperty *object_class_property_find(ObjectClass *klass, const char *name) |
16bf7f52 | 1404 | { |
16bf7f52 DB |
1405 | ObjectClass *parent_klass; |
1406 | ||
1407 | parent_klass = object_class_get_parent(klass); | |
1408 | if (parent_klass) { | |
efba1595 DB |
1409 | ObjectProperty *prop = |
1410 | object_class_property_find(parent_klass, name); | |
16bf7f52 DB |
1411 | if (prop) { |
1412 | return prop; | |
1413 | } | |
1414 | } | |
1415 | ||
efba1595 DB |
1416 | return g_hash_table_lookup(klass->properties, name); |
1417 | } | |
1418 | ||
1419 | ObjectProperty *object_class_property_find_err(ObjectClass *klass, | |
1420 | const char *name, | |
1421 | Error **errp) | |
1422 | { | |
1423 | ObjectProperty *prop = object_class_property_find(klass, name); | |
16bf7f52 DB |
1424 | if (!prop) { |
1425 | error_setg(errp, "Property '.%s' not found", name); | |
1426 | } | |
1427 | return prop; | |
1428 | } | |
1429 | ||
efba1595 | 1430 | |
df4fe0b2 | 1431 | void object_property_del(Object *obj, const char *name) |
57c9fafe | 1432 | { |
b604a854 PF |
1433 | ObjectProperty *prop = g_hash_table_lookup(obj->properties, name); |
1434 | ||
0866aca1 AL |
1435 | if (prop->release) { |
1436 | prop->release(obj, name, prop->opaque); | |
1437 | } | |
b604a854 | 1438 | g_hash_table_remove(obj->properties, name); |
57c9fafe AL |
1439 | } |
1440 | ||
6fd5bef1 | 1441 | bool object_property_get(Object *obj, const char *name, Visitor *v, |
57c9fafe AL |
1442 | Error **errp) |
1443 | { | |
6fd5bef1 | 1444 | Error *err = NULL; |
efba1595 | 1445 | ObjectProperty *prop = object_property_find_err(obj, name, errp); |
6fd5bef1 | 1446 | |
57c9fafe | 1447 | if (prop == NULL) { |
6fd5bef1 | 1448 | return false; |
57c9fafe AL |
1449 | } |
1450 | ||
1451 | if (!prop->get) { | |
3f7febc9 MA |
1452 | error_setg(errp, "Property '%s.%s' is not readable", |
1453 | object_get_typename(obj), name); | |
6fd5bef1 | 1454 | return false; |
57c9fafe | 1455 | } |
6fd5bef1 MA |
1456 | prop->get(obj, v, name, prop->opaque, &err); |
1457 | error_propagate(errp, err); | |
1458 | return !err; | |
57c9fafe AL |
1459 | } |
1460 | ||
6fd5bef1 | 1461 | bool object_property_set(Object *obj, const char *name, Visitor *v, |
57c9fafe AL |
1462 | Error **errp) |
1463 | { | |
dbc8221f | 1464 | ERRP_GUARD(); |
efba1595 | 1465 | ObjectProperty *prop = object_property_find_err(obj, name, errp); |
6fd5bef1 | 1466 | |
57c9fafe | 1467 | if (prop == NULL) { |
6fd5bef1 | 1468 | return false; |
57c9fafe AL |
1469 | } |
1470 | ||
1471 | if (!prop->set) { | |
3f7febc9 MA |
1472 | error_setg(errp, "Property '%s.%s' is not writable", |
1473 | object_get_typename(obj), name); | |
6fd5bef1 | 1474 | return false; |
57c9fafe | 1475 | } |
dbc8221f KW |
1476 | prop->set(obj, v, name, prop->opaque, errp); |
1477 | return !*errp; | |
57c9fafe AL |
1478 | } |
1479 | ||
6fd5bef1 | 1480 | bool object_property_set_str(Object *obj, const char *name, |
5325cc34 | 1481 | const char *value, Error **errp) |
7b7b7d18 PB |
1482 | { |
1483 | QString *qstr = qstring_from_str(value); | |
6fd5bef1 | 1484 | bool ok = object_property_set_qobject(obj, name, QOBJECT(qstr), errp); |
7b7b7d18 | 1485 | |
cb3e7f08 | 1486 | qobject_unref(qstr); |
6fd5bef1 | 1487 | return ok; |
7b7b7d18 PB |
1488 | } |
1489 | ||
1490 | char *object_property_get_str(Object *obj, const char *name, | |
1491 | Error **errp) | |
1492 | { | |
1493 | QObject *ret = object_property_get_qobject(obj, name, errp); | |
26c52828 | 1494 | QString *qstring; |
7b7b7d18 PB |
1495 | char *retval; |
1496 | ||
1497 | if (!ret) { | |
1498 | return NULL; | |
1499 | } | |
26c52828 MA |
1500 | qstring = qobject_to(QString, ret); |
1501 | if (!qstring) { | |
c6bd8c70 | 1502 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name, "string"); |
26c52828 MA |
1503 | retval = NULL; |
1504 | } else { | |
1505 | retval = g_strdup(qstring_get_str(qstring)); | |
7b7b7d18 PB |
1506 | } |
1507 | ||
cb3e7f08 | 1508 | qobject_unref(ret); |
7b7b7d18 PB |
1509 | return retval; |
1510 | } | |
1511 | ||
6fd5bef1 | 1512 | bool object_property_set_link(Object *obj, const char *name, |
5325cc34 | 1513 | Object *value, Error **errp) |
1d9c5a12 | 1514 | { |
6fd5bef1 MA |
1515 | g_autofree char *path = NULL; |
1516 | ||
d3c49316 | 1517 | if (value) { |
6fd5bef1 | 1518 | path = object_get_canonical_path(value); |
d3c49316 | 1519 | } |
6fd5bef1 | 1520 | return object_property_set_str(obj, name, path ?: "", errp); |
1d9c5a12 PB |
1521 | } |
1522 | ||
1523 | Object *object_property_get_link(Object *obj, const char *name, | |
1524 | Error **errp) | |
1525 | { | |
1526 | char *str = object_property_get_str(obj, name, errp); | |
1527 | Object *target = NULL; | |
1528 | ||
1529 | if (str && *str) { | |
1530 | target = object_resolve_path(str, NULL); | |
1531 | if (!target) { | |
75158ebb MA |
1532 | error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND, |
1533 | "Device '%s' not found", str); | |
1d9c5a12 PB |
1534 | } |
1535 | } | |
1536 | ||
1537 | g_free(str); | |
1538 | return target; | |
1539 | } | |
1540 | ||
6fd5bef1 | 1541 | bool object_property_set_bool(Object *obj, const char *name, |
5325cc34 | 1542 | bool value, Error **errp) |
7b7b7d18 | 1543 | { |
fc48ffc3 | 1544 | QBool *qbool = qbool_from_bool(value); |
6fd5bef1 | 1545 | bool ok = object_property_set_qobject(obj, name, QOBJECT(qbool), errp); |
7b7b7d18 | 1546 | |
cb3e7f08 | 1547 | qobject_unref(qbool); |
6fd5bef1 | 1548 | return ok; |
7b7b7d18 PB |
1549 | } |
1550 | ||
1551 | bool object_property_get_bool(Object *obj, const char *name, | |
1552 | Error **errp) | |
1553 | { | |
1554 | QObject *ret = object_property_get_qobject(obj, name, errp); | |
1555 | QBool *qbool; | |
1556 | bool retval; | |
1557 | ||
1558 | if (!ret) { | |
1559 | return false; | |
1560 | } | |
7dc847eb | 1561 | qbool = qobject_to(QBool, ret); |
7b7b7d18 | 1562 | if (!qbool) { |
c6bd8c70 | 1563 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name, "boolean"); |
7b7b7d18 PB |
1564 | retval = false; |
1565 | } else { | |
fc48ffc3 | 1566 | retval = qbool_get_bool(qbool); |
7b7b7d18 PB |
1567 | } |
1568 | ||
cb3e7f08 | 1569 | qobject_unref(ret); |
7b7b7d18 PB |
1570 | return retval; |
1571 | } | |
1572 | ||
6fd5bef1 | 1573 | bool object_property_set_int(Object *obj, const char *name, |
5325cc34 | 1574 | int64_t value, Error **errp) |
7b7b7d18 | 1575 | { |
01b2ffce | 1576 | QNum *qnum = qnum_from_int(value); |
6fd5bef1 | 1577 | bool ok = object_property_set_qobject(obj, name, QOBJECT(qnum), errp); |
7b7b7d18 | 1578 | |
cb3e7f08 | 1579 | qobject_unref(qnum); |
6fd5bef1 | 1580 | return ok; |
7b7b7d18 PB |
1581 | } |
1582 | ||
1583 | int64_t object_property_get_int(Object *obj, const char *name, | |
1584 | Error **errp) | |
1585 | { | |
1586 | QObject *ret = object_property_get_qobject(obj, name, errp); | |
01b2ffce | 1587 | QNum *qnum; |
7b7b7d18 PB |
1588 | int64_t retval; |
1589 | ||
1590 | if (!ret) { | |
1591 | return -1; | |
1592 | } | |
01b2ffce | 1593 | |
7dc847eb | 1594 | qnum = qobject_to(QNum, ret); |
01b2ffce | 1595 | if (!qnum || !qnum_get_try_int(qnum, &retval)) { |
c6bd8c70 | 1596 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name, "int"); |
7b7b7d18 | 1597 | retval = -1; |
7b7b7d18 PB |
1598 | } |
1599 | ||
cb3e7f08 | 1600 | qobject_unref(ret); |
7b7b7d18 | 1601 | return retval; |
b2cd7dee PB |
1602 | } |
1603 | ||
0e76ed0a MAL |
1604 | static void object_property_init_defval(Object *obj, ObjectProperty *prop) |
1605 | { | |
1606 | Visitor *v = qobject_input_visitor_new(prop->defval); | |
1607 | ||
1608 | assert(prop->set != NULL); | |
1609 | prop->set(obj, v, prop->name, prop->opaque, &error_abort); | |
1610 | ||
1611 | visit_free(v); | |
1612 | } | |
1613 | ||
1614 | static void object_property_set_default(ObjectProperty *prop, QObject *defval) | |
1615 | { | |
1616 | assert(!prop->defval); | |
1617 | assert(!prop->init); | |
1618 | ||
1619 | prop->defval = defval; | |
1620 | prop->init = object_property_init_defval; | |
1621 | } | |
1622 | ||
1623 | void object_property_set_default_bool(ObjectProperty *prop, bool value) | |
1624 | { | |
1625 | object_property_set_default(prop, QOBJECT(qbool_from_bool(value))); | |
1626 | } | |
1627 | ||
1628 | void object_property_set_default_str(ObjectProperty *prop, const char *value) | |
1629 | { | |
1630 | object_property_set_default(prop, QOBJECT(qstring_from_str(value))); | |
1631 | } | |
1632 | ||
125062e7 KW |
1633 | void object_property_set_default_list(ObjectProperty *prop) |
1634 | { | |
1635 | object_property_set_default(prop, QOBJECT(qlist_new())); | |
1636 | } | |
1637 | ||
0e76ed0a MAL |
1638 | void object_property_set_default_int(ObjectProperty *prop, int64_t value) |
1639 | { | |
1640 | object_property_set_default(prop, QOBJECT(qnum_from_int(value))); | |
1641 | } | |
1642 | ||
1643 | void object_property_set_default_uint(ObjectProperty *prop, uint64_t value) | |
1644 | { | |
1645 | object_property_set_default(prop, QOBJECT(qnum_from_uint(value))); | |
1646 | } | |
1647 | ||
6fd5bef1 | 1648 | bool object_property_set_uint(Object *obj, const char *name, |
5325cc34 | 1649 | uint64_t value, Error **errp) |
3152779c MAL |
1650 | { |
1651 | QNum *qnum = qnum_from_uint(value); | |
6fd5bef1 | 1652 | bool ok = object_property_set_qobject(obj, name, QOBJECT(qnum), errp); |
3152779c | 1653 | |
cb3e7f08 | 1654 | qobject_unref(qnum); |
6fd5bef1 | 1655 | return ok; |
3152779c MAL |
1656 | } |
1657 | ||
1658 | uint64_t object_property_get_uint(Object *obj, const char *name, | |
1659 | Error **errp) | |
1660 | { | |
1661 | QObject *ret = object_property_get_qobject(obj, name, errp); | |
1662 | QNum *qnum; | |
1663 | uint64_t retval; | |
1664 | ||
1665 | if (!ret) { | |
1666 | return 0; | |
1667 | } | |
7dc847eb | 1668 | qnum = qobject_to(QNum, ret); |
3152779c MAL |
1669 | if (!qnum || !qnum_get_try_uint(qnum, &retval)) { |
1670 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name, "uint"); | |
1671 | retval = 0; | |
1672 | } | |
1673 | ||
cb3e7f08 | 1674 | qobject_unref(ret); |
3152779c MAL |
1675 | return retval; |
1676 | } | |
1677 | ||
a8e3fbed | 1678 | typedef struct EnumProperty { |
f7abe0ec | 1679 | const QEnumLookup *lookup; |
a8e3fbed DB |
1680 | int (*get)(Object *, Error **); |
1681 | void (*set)(Object *, int, Error **); | |
1682 | } EnumProperty; | |
1683 | ||
1f21772d | 1684 | int object_property_get_enum(Object *obj, const char *name, |
a3590dac | 1685 | const char *typename, Error **errp) |
1f21772d | 1686 | { |
976620ac | 1687 | char *str; |
1f21772d | 1688 | int ret; |
efba1595 | 1689 | ObjectProperty *prop = object_property_find_err(obj, name, errp); |
a3590dac DB |
1690 | EnumProperty *enumprop; |
1691 | ||
1692 | if (prop == NULL) { | |
d20f616e | 1693 | return -1; |
a3590dac DB |
1694 | } |
1695 | ||
1696 | if (!g_str_equal(prop->type, typename)) { | |
1697 | error_setg(errp, "Property %s on %s is not '%s' enum type", | |
1698 | name, object_class_get_name( | |
1699 | object_get_class(obj)), typename); | |
d20f616e | 1700 | return -1; |
a3590dac DB |
1701 | } |
1702 | ||
1703 | enumprop = prop->opaque; | |
1f21772d | 1704 | |
b555f89f MA |
1705 | str = object_property_get_str(obj, name, errp); |
1706 | if (!str) { | |
d20f616e | 1707 | return -1; |
4715d42e | 1708 | } |
976620ac | 1709 | |
ea097dff | 1710 | ret = qapi_enum_parse(enumprop->lookup, str, -1, errp); |
976620ac | 1711 | g_free(str); |
1f21772d HT |
1712 | |
1713 | return ret; | |
1714 | } | |
1715 | ||
6fd5bef1 | 1716 | bool object_property_parse(Object *obj, const char *name, |
5325cc34 | 1717 | const char *string, Error **errp) |
b2cd7dee | 1718 | { |
7a0525c7 | 1719 | Visitor *v = string_input_visitor_new(string); |
6fd5bef1 MA |
1720 | bool ok = object_property_set(obj, name, v, errp); |
1721 | ||
7a0525c7 | 1722 | visit_free(v); |
6fd5bef1 | 1723 | return ok; |
b2cd7dee PB |
1724 | } |
1725 | ||
0b7593e0 | 1726 | char *object_property_print(Object *obj, const char *name, bool human, |
b2cd7dee PB |
1727 | Error **errp) |
1728 | { | |
3b098d56 | 1729 | Visitor *v; |
3a53009f | 1730 | char *string = NULL; |
b2cd7dee | 1731 | |
3b098d56 | 1732 | v = string_output_visitor_new(human, &string); |
af175e85 | 1733 | if (!object_property_get(obj, name, v, errp)) { |
3a53009f GA |
1734 | goto out; |
1735 | } | |
1736 | ||
3b098d56 | 1737 | visit_complete(v, &string); |
3a53009f GA |
1738 | |
1739 | out: | |
3b098d56 | 1740 | visit_free(v); |
b2cd7dee | 1741 | return string; |
7b7b7d18 PB |
1742 | } |
1743 | ||
57c9fafe AL |
1744 | const char *object_property_get_type(Object *obj, const char *name, Error **errp) |
1745 | { | |
efba1595 | 1746 | ObjectProperty *prop = object_property_find_err(obj, name, errp); |
57c9fafe | 1747 | if (prop == NULL) { |
57c9fafe AL |
1748 | return NULL; |
1749 | } | |
1750 | ||
1751 | return prop->type; | |
1752 | } | |
1753 | ||
1754 | Object *object_get_root(void) | |
1755 | { | |
8b45d447 | 1756 | static Object *root; |
57c9fafe | 1757 | |
8b45d447 AL |
1758 | if (!root) { |
1759 | root = object_new("container"); | |
57c9fafe AL |
1760 | } |
1761 | ||
8b45d447 | 1762 | return root; |
57c9fafe AL |
1763 | } |
1764 | ||
bc2256c4 DB |
1765 | Object *object_get_objects_root(void) |
1766 | { | |
1767 | return container_get(object_get_root(), "/objects"); | |
1768 | } | |
1769 | ||
7c47c4ea PX |
1770 | Object *object_get_internal_root(void) |
1771 | { | |
1772 | static Object *internal_root; | |
1773 | ||
1774 | if (!internal_root) { | |
1775 | internal_root = object_new("container"); | |
1776 | } | |
1777 | ||
1778 | return internal_root; | |
1779 | } | |
1780 | ||
d7bce999 EB |
1781 | static void object_get_child_property(Object *obj, Visitor *v, |
1782 | const char *name, void *opaque, | |
1783 | Error **errp) | |
57c9fafe AL |
1784 | { |
1785 | Object *child = opaque; | |
ddfb0baa | 1786 | char *path; |
57c9fafe AL |
1787 | |
1788 | path = object_get_canonical_path(child); | |
51e72bc1 | 1789 | visit_type_str(v, name, &path, errp); |
57c9fafe AL |
1790 | g_free(path); |
1791 | } | |
1792 | ||
ddfb0baa MA |
1793 | static Object *object_resolve_child_property(Object *parent, void *opaque, |
1794 | const char *part) | |
64607d08 PB |
1795 | { |
1796 | return opaque; | |
1797 | } | |
1798 | ||
db85b575 AL |
1799 | static void object_finalize_child_property(Object *obj, const char *name, |
1800 | void *opaque) | |
1801 | { | |
1802 | Object *child = opaque; | |
1803 | ||
bffc687d PB |
1804 | if (child->class->unparent) { |
1805 | (child->class->unparent)(child); | |
1806 | } | |
1807 | child->parent = NULL; | |
db85b575 AL |
1808 | object_unref(child); |
1809 | } | |
1810 | ||
70251887 | 1811 | ObjectProperty * |
db57fef1 EA |
1812 | object_property_try_add_child(Object *obj, const char *name, |
1813 | Object *child, Error **errp) | |
57c9fafe | 1814 | { |
70251887 | 1815 | g_autofree char *type = NULL; |
64607d08 | 1816 | ObjectProperty *op; |
57c9fafe | 1817 | |
d2623129 | 1818 | assert(!child->parent); |
8faa2f85 | 1819 | |
688ffbb4 | 1820 | type = g_strdup_printf("child<%s>", object_get_typename(child)); |
57c9fafe | 1821 | |
db57fef1 EA |
1822 | op = object_property_try_add(obj, name, type, object_get_child_property, |
1823 | NULL, object_finalize_child_property, | |
1824 | child, errp); | |
1825 | if (!op) { | |
1826 | return NULL; | |
1827 | } | |
64607d08 | 1828 | op->resolve = object_resolve_child_property; |
57c9fafe | 1829 | object_ref(child); |
57c9fafe | 1830 | child->parent = obj; |
70251887 | 1831 | return op; |
57c9fafe AL |
1832 | } |
1833 | ||
db57fef1 EA |
1834 | ObjectProperty * |
1835 | object_property_add_child(Object *obj, const char *name, | |
1836 | Object *child) | |
1837 | { | |
1838 | return object_property_try_add_child(obj, name, child, &error_abort); | |
1839 | } | |
1840 | ||
8f5d58ef | 1841 | void object_property_allow_set_link(const Object *obj, const char *name, |
39f72ef9 SH |
1842 | Object *val, Error **errp) |
1843 | { | |
1844 | /* Allow the link to be set, always */ | |
1845 | } | |
1846 | ||
9561fda8 | 1847 | typedef struct { |
9941d37b MAL |
1848 | union { |
1849 | Object **targetp; | |
1850 | Object *target; /* if OBJ_PROP_LINK_DIRECT, when holding the pointer */ | |
840ecdfb | 1851 | ptrdiff_t offset; /* if OBJ_PROP_LINK_CLASS */ |
9941d37b | 1852 | }; |
8f5d58ef | 1853 | void (*check)(const Object *, const char *, Object *, Error **); |
9561fda8 SH |
1854 | ObjectPropertyLinkFlags flags; |
1855 | } LinkProperty; | |
1856 | ||
9941d37b MAL |
1857 | static Object ** |
1858 | object_link_get_targetp(Object *obj, LinkProperty *lprop) | |
1859 | { | |
1860 | if (lprop->flags & OBJ_PROP_LINK_DIRECT) { | |
1861 | return &lprop->target; | |
840ecdfb MAL |
1862 | } else if (lprop->flags & OBJ_PROP_LINK_CLASS) { |
1863 | return (void *)obj + lprop->offset; | |
9941d37b MAL |
1864 | } else { |
1865 | return lprop->targetp; | |
1866 | } | |
1867 | } | |
1868 | ||
d7bce999 EB |
1869 | static void object_get_link_property(Object *obj, Visitor *v, |
1870 | const char *name, void *opaque, | |
1871 | Error **errp) | |
57c9fafe | 1872 | { |
9561fda8 | 1873 | LinkProperty *lprop = opaque; |
9941d37b | 1874 | Object **targetp = object_link_get_targetp(obj, lprop); |
ddfb0baa | 1875 | char *path; |
57c9fafe | 1876 | |
36854207 MAL |
1877 | if (*targetp) { |
1878 | path = object_get_canonical_path(*targetp); | |
51e72bc1 | 1879 | visit_type_str(v, name, &path, errp); |
57c9fafe AL |
1880 | g_free(path); |
1881 | } else { | |
ddfb0baa | 1882 | path = (char *)""; |
51e72bc1 | 1883 | visit_type_str(v, name, &path, errp); |
57c9fafe AL |
1884 | } |
1885 | } | |
1886 | ||
f5ec6704 SH |
1887 | /* |
1888 | * object_resolve_link: | |
1889 | * | |
1890 | * Lookup an object and ensure its type matches the link property type. This | |
1891 | * is similar to object_resolve_path() except type verification against the | |
1892 | * link property is performed. | |
1893 | * | |
1894 | * Returns: The matched object or NULL on path lookup failures. | |
1895 | */ | |
1896 | static Object *object_resolve_link(Object *obj, const char *name, | |
1897 | const char *path, Error **errp) | |
1898 | { | |
1899 | const char *type; | |
ddfb0baa | 1900 | char *target_type; |
f5ec6704 SH |
1901 | bool ambiguous = false; |
1902 | Object *target; | |
1903 | ||
1904 | /* Go from link<FOO> to FOO. */ | |
1905 | type = object_property_get_type(obj, name, NULL); | |
1906 | target_type = g_strndup(&type[5], strlen(type) - 6); | |
1907 | target = object_resolve_path_type(path, target_type, &ambiguous); | |
1908 | ||
1909 | if (ambiguous) { | |
455b0fde EB |
1910 | error_setg(errp, "Path '%s' does not uniquely identify an object", |
1911 | path); | |
f5ec6704 SH |
1912 | } else if (!target) { |
1913 | target = object_resolve_path(path, &ambiguous); | |
1914 | if (target || ambiguous) { | |
c6bd8c70 | 1915 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name, target_type); |
f5ec6704 | 1916 | } else { |
75158ebb MA |
1917 | error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND, |
1918 | "Device '%s' not found", path); | |
f5ec6704 SH |
1919 | } |
1920 | target = NULL; | |
1921 | } | |
1922 | g_free(target_type); | |
1923 | ||
1924 | return target; | |
1925 | } | |
1926 | ||
d7bce999 EB |
1927 | static void object_set_link_property(Object *obj, Visitor *v, |
1928 | const char *name, void *opaque, | |
1929 | Error **errp) | |
57c9fafe | 1930 | { |
c6aed983 | 1931 | Error *local_err = NULL; |
9561fda8 | 1932 | LinkProperty *prop = opaque; |
9941d37b | 1933 | Object **targetp = object_link_get_targetp(obj, prop); |
36854207 | 1934 | Object *old_target = *targetp; |
1c94a351 | 1935 | Object *new_target; |
c6aed983 | 1936 | char *path = NULL; |
57c9fafe | 1937 | |
1c94a351 MA |
1938 | if (!visit_type_str(v, name, &path, errp)) { |
1939 | return; | |
1940 | } | |
57c9fafe | 1941 | |
1c94a351 MA |
1942 | if (*path) { |
1943 | new_target = object_resolve_link(obj, name, path, errp); | |
1944 | if (!new_target) { | |
1945 | g_free(path); | |
1946 | return; | |
1947 | } | |
1948 | } else { | |
1949 | new_target = NULL; | |
57c9fafe AL |
1950 | } |
1951 | ||
1952 | g_free(path); | |
f0cdc966 | 1953 | |
39f72ef9 SH |
1954 | prop->check(obj, name, new_target, &local_err); |
1955 | if (local_err) { | |
1956 | error_propagate(errp, local_err); | |
1957 | return; | |
1958 | } | |
1959 | ||
36854207 | 1960 | *targetp = new_target; |
8770bafd | 1961 | if (prop->flags & OBJ_PROP_LINK_STRONG) { |
265b578c MAL |
1962 | object_ref(new_target); |
1963 | object_unref(old_target); | |
1964 | } | |
57c9fafe AL |
1965 | } |
1966 | ||
ddfb0baa MA |
1967 | static Object *object_resolve_link_property(Object *parent, void *opaque, |
1968 | const char *part) | |
64607d08 PB |
1969 | { |
1970 | LinkProperty *lprop = opaque; | |
1971 | ||
9941d37b | 1972 | return *object_link_get_targetp(parent, lprop); |
64607d08 PB |
1973 | } |
1974 | ||
9561fda8 SH |
1975 | static void object_release_link_property(Object *obj, const char *name, |
1976 | void *opaque) | |
1977 | { | |
1978 | LinkProperty *prop = opaque; | |
9941d37b | 1979 | Object **targetp = object_link_get_targetp(obj, prop); |
9561fda8 | 1980 | |
9941d37b MAL |
1981 | if ((prop->flags & OBJ_PROP_LINK_STRONG) && *targetp) { |
1982 | object_unref(*targetp); | |
9561fda8 | 1983 | } |
840ecdfb MAL |
1984 | if (!(prop->flags & OBJ_PROP_LINK_CLASS)) { |
1985 | g_free(prop); | |
1986 | } | |
9561fda8 SH |
1987 | } |
1988 | ||
70251887 MA |
1989 | static ObjectProperty * |
1990 | object_add_link_prop(Object *obj, const char *name, | |
1991 | const char *type, void *ptr, | |
1992 | void (*check)(const Object *, const char *, | |
1993 | Object *, Error **), | |
d2623129 | 1994 | ObjectPropertyLinkFlags flags) |
57c9fafe | 1995 | { |
9561fda8 | 1996 | LinkProperty *prop = g_malloc(sizeof(*prop)); |
70251887 | 1997 | g_autofree char *full_type = NULL; |
64607d08 | 1998 | ObjectProperty *op; |
57c9fafe | 1999 | |
4a8d5798 MAL |
2000 | if (flags & OBJ_PROP_LINK_DIRECT) { |
2001 | prop->target = ptr; | |
2002 | } else { | |
2003 | prop->targetp = ptr; | |
2004 | } | |
39f72ef9 | 2005 | prop->check = check; |
9561fda8 SH |
2006 | prop->flags = flags; |
2007 | ||
57c9fafe AL |
2008 | full_type = g_strdup_printf("link<%s>", type); |
2009 | ||
64607d08 PB |
2010 | op = object_property_add(obj, name, full_type, |
2011 | object_get_link_property, | |
2012 | check ? object_set_link_property : NULL, | |
2013 | object_release_link_property, | |
d2623129 | 2014 | prop); |
64607d08 | 2015 | op->resolve = object_resolve_link_property; |
70251887 | 2016 | return op; |
57c9fafe AL |
2017 | } |
2018 | ||
70251887 MA |
2019 | ObjectProperty * |
2020 | object_property_add_link(Object *obj, const char *name, | |
2021 | const char *type, Object **targetp, | |
2022 | void (*check)(const Object *, const char *, | |
2023 | Object *, Error **), | |
d2623129 | 2024 | ObjectPropertyLinkFlags flags) |
4a8d5798 | 2025 | { |
d2623129 | 2026 | return object_add_link_prop(obj, name, type, targetp, check, flags); |
4a8d5798 MAL |
2027 | } |
2028 | ||
840ecdfb MAL |
2029 | ObjectProperty * |
2030 | object_class_property_add_link(ObjectClass *oc, | |
2031 | const char *name, | |
2032 | const char *type, ptrdiff_t offset, | |
2033 | void (*check)(const Object *obj, const char *name, | |
2034 | Object *val, Error **errp), | |
d2623129 | 2035 | ObjectPropertyLinkFlags flags) |
840ecdfb | 2036 | { |
840ecdfb | 2037 | LinkProperty *prop = g_new0(LinkProperty, 1); |
ddfb0baa | 2038 | char *full_type; |
840ecdfb MAL |
2039 | ObjectProperty *op; |
2040 | ||
2041 | prop->offset = offset; | |
2042 | prop->check = check; | |
2043 | prop->flags = flags | OBJ_PROP_LINK_CLASS; | |
2044 | ||
2045 | full_type = g_strdup_printf("link<%s>", type); | |
2046 | ||
2047 | op = object_class_property_add(oc, name, full_type, | |
2048 | object_get_link_property, | |
2049 | check ? object_set_link_property : NULL, | |
2050 | object_release_link_property, | |
d2623129 | 2051 | prop); |
840ecdfb MAL |
2052 | |
2053 | op->resolve = object_resolve_link_property; | |
2054 | ||
840ecdfb MAL |
2055 | g_free(full_type); |
2056 | return op; | |
2057 | } | |
2058 | ||
70251887 MA |
2059 | ObjectProperty * |
2060 | object_property_add_const_link(Object *obj, const char *name, | |
d2623129 | 2061 | Object *target) |
fb9e7e33 | 2062 | { |
70251887 MA |
2063 | return object_add_link_prop(obj, name, |
2064 | object_get_typename(target), target, | |
d2623129 | 2065 | NULL, OBJ_PROP_LINK_DIRECT); |
fb9e7e33 PB |
2066 | } |
2067 | ||
7a309cc9 | 2068 | const char *object_get_canonical_path_component(const Object *obj) |
11f590b1 SH |
2069 | { |
2070 | ObjectProperty *prop = NULL; | |
b604a854 | 2071 | GHashTableIter iter; |
11f590b1 | 2072 | |
770dec26 PB |
2073 | if (obj->parent == NULL) { |
2074 | return NULL; | |
2075 | } | |
11f590b1 | 2076 | |
b604a854 PF |
2077 | g_hash_table_iter_init(&iter, obj->parent->properties); |
2078 | while (g_hash_table_iter_next(&iter, NULL, (gpointer *)&prop)) { | |
11f590b1 SH |
2079 | if (!object_property_is_child(prop)) { |
2080 | continue; | |
2081 | } | |
2082 | ||
2083 | if (prop->opaque == obj) { | |
7a309cc9 | 2084 | return prop->name; |
11f590b1 SH |
2085 | } |
2086 | } | |
2087 | ||
2088 | /* obj had a parent but was not a child, should never happen */ | |
2089 | g_assert_not_reached(); | |
2090 | return NULL; | |
2091 | } | |
2092 | ||
e8512dfa | 2093 | char *object_get_canonical_path(const Object *obj) |
57c9fafe AL |
2094 | { |
2095 | Object *root = object_get_root(); | |
11f590b1 | 2096 | char *newpath, *path = NULL; |
57c9fafe | 2097 | |
e40077fd PB |
2098 | if (obj == root) { |
2099 | return g_strdup("/"); | |
2100 | } | |
2101 | ||
2102 | do { | |
7a309cc9 | 2103 | const char *component = object_get_canonical_path_component(obj); |
57c9fafe | 2104 | |
e40077fd PB |
2105 | if (!component) { |
2106 | /* A canonical path must be complete, so discard what was | |
2107 | * collected so far. | |
2108 | */ | |
11f590b1 | 2109 | g_free(path); |
e40077fd | 2110 | return NULL; |
57c9fafe AL |
2111 | } |
2112 | ||
e40077fd PB |
2113 | newpath = g_strdup_printf("/%s%s", component, path ? path : ""); |
2114 | g_free(path); | |
e40077fd | 2115 | path = newpath; |
57c9fafe | 2116 | obj = obj->parent; |
e40077fd | 2117 | } while (obj != root); |
57c9fafe | 2118 | |
e40077fd | 2119 | return path; |
57c9fafe AL |
2120 | } |
2121 | ||
ddfb0baa | 2122 | Object *object_resolve_path_component(Object *parent, const char *part) |
a612b2a6 | 2123 | { |
efba1595 | 2124 | ObjectProperty *prop = object_property_find(parent, part); |
a612b2a6 PB |
2125 | if (prop == NULL) { |
2126 | return NULL; | |
2127 | } | |
2128 | ||
64607d08 PB |
2129 | if (prop->resolve) { |
2130 | return prop->resolve(parent, prop->opaque, part); | |
a612b2a6 PB |
2131 | } else { |
2132 | return NULL; | |
2133 | } | |
2134 | } | |
2135 | ||
57c9fafe | 2136 | static Object *object_resolve_abs_path(Object *parent, |
ad195c8f MY |
2137 | char **parts, |
2138 | const char *typename) | |
57c9fafe | 2139 | { |
57c9fafe AL |
2140 | Object *child; |
2141 | ||
ad195c8f | 2142 | if (*parts == NULL) { |
02fe2db6 | 2143 | return object_dynamic_cast(parent, typename); |
57c9fafe AL |
2144 | } |
2145 | ||
ad195c8f MY |
2146 | if (strcmp(*parts, "") == 0) { |
2147 | return object_resolve_abs_path(parent, parts + 1, typename); | |
57c9fafe AL |
2148 | } |
2149 | ||
ad195c8f | 2150 | child = object_resolve_path_component(parent, *parts); |
57c9fafe AL |
2151 | if (!child) { |
2152 | return NULL; | |
2153 | } | |
2154 | ||
ad195c8f | 2155 | return object_resolve_abs_path(child, parts + 1, typename); |
57c9fafe AL |
2156 | } |
2157 | ||
2158 | static Object *object_resolve_partial_path(Object *parent, | |
ddfb0baa MA |
2159 | char **parts, |
2160 | const char *typename, | |
2161 | bool *ambiguous) | |
57c9fafe AL |
2162 | { |
2163 | Object *obj; | |
b604a854 | 2164 | GHashTableIter iter; |
57c9fafe AL |
2165 | ObjectProperty *prop; |
2166 | ||
ad195c8f | 2167 | obj = object_resolve_abs_path(parent, parts, typename); |
57c9fafe | 2168 | |
b604a854 PF |
2169 | g_hash_table_iter_init(&iter, parent->properties); |
2170 | while (g_hash_table_iter_next(&iter, NULL, (gpointer *)&prop)) { | |
57c9fafe AL |
2171 | Object *found; |
2172 | ||
5d9d3f47 | 2173 | if (!object_property_is_child(prop)) { |
57c9fafe AL |
2174 | continue; |
2175 | } | |
2176 | ||
02fe2db6 PB |
2177 | found = object_resolve_partial_path(prop->opaque, parts, |
2178 | typename, ambiguous); | |
57c9fafe AL |
2179 | if (found) { |
2180 | if (obj) { | |
ebcc479e | 2181 | *ambiguous = true; |
57c9fafe AL |
2182 | return NULL; |
2183 | } | |
2184 | obj = found; | |
2185 | } | |
2186 | ||
ebcc479e | 2187 | if (*ambiguous) { |
57c9fafe AL |
2188 | return NULL; |
2189 | } | |
2190 | } | |
2191 | ||
2192 | return obj; | |
2193 | } | |
2194 | ||
02fe2db6 | 2195 | Object *object_resolve_path_type(const char *path, const char *typename, |
ebcc479e | 2196 | bool *ambiguousp) |
57c9fafe | 2197 | { |
57c9fafe | 2198 | Object *obj; |
ddfb0baa | 2199 | char **parts; |
57c9fafe AL |
2200 | |
2201 | parts = g_strsplit(path, "/", 0); | |
2e1103f6 | 2202 | assert(parts); |
57c9fafe | 2203 | |
2e1103f6 | 2204 | if (parts[0] == NULL || strcmp(parts[0], "") != 0) { |
ebcc479e | 2205 | bool ambiguous = false; |
02fe2db6 | 2206 | obj = object_resolve_partial_path(object_get_root(), parts, |
ebcc479e EH |
2207 | typename, &ambiguous); |
2208 | if (ambiguousp) { | |
2209 | *ambiguousp = ambiguous; | |
2210 | } | |
57c9fafe | 2211 | } else { |
ad195c8f | 2212 | obj = object_resolve_abs_path(object_get_root(), parts + 1, typename); |
57c9fafe AL |
2213 | } |
2214 | ||
2215 | g_strfreev(parts); | |
2216 | ||
2217 | return obj; | |
2218 | } | |
2219 | ||
02fe2db6 PB |
2220 | Object *object_resolve_path(const char *path, bool *ambiguous) |
2221 | { | |
2222 | return object_resolve_path_type(path, TYPE_OBJECT, ambiguous); | |
2223 | } | |
2224 | ||
1bf4d329 MA |
2225 | Object *object_resolve_path_at(Object *parent, const char *path) |
2226 | { | |
2227 | g_auto(GStrv) parts = g_strsplit(path, "/", 0); | |
2228 | ||
2229 | if (*path == '/') { | |
2230 | return object_resolve_abs_path(object_get_root(), parts + 1, | |
2231 | TYPE_OBJECT); | |
2232 | } | |
2233 | return object_resolve_abs_path(parent, parts, TYPE_OBJECT); | |
2234 | } | |
2235 | ||
57c9fafe AL |
2236 | typedef struct StringProperty |
2237 | { | |
2238 | char *(*get)(Object *, Error **); | |
2239 | void (*set)(Object *, const char *, Error **); | |
2240 | } StringProperty; | |
2241 | ||
d7bce999 EB |
2242 | static void property_get_str(Object *obj, Visitor *v, const char *name, |
2243 | void *opaque, Error **errp) | |
57c9fafe AL |
2244 | { |
2245 | StringProperty *prop = opaque; | |
2246 | char *value; | |
e1c8237d | 2247 | Error *err = NULL; |
57c9fafe | 2248 | |
e1c8237d MA |
2249 | value = prop->get(obj, &err); |
2250 | if (err) { | |
2251 | error_propagate(errp, err); | |
2252 | return; | |
57c9fafe | 2253 | } |
e1c8237d | 2254 | |
51e72bc1 | 2255 | visit_type_str(v, name, &value, errp); |
e1c8237d | 2256 | g_free(value); |
57c9fafe AL |
2257 | } |
2258 | ||
d7bce999 EB |
2259 | static void property_set_str(Object *obj, Visitor *v, const char *name, |
2260 | void *opaque, Error **errp) | |
57c9fafe AL |
2261 | { |
2262 | StringProperty *prop = opaque; | |
2263 | char *value; | |
57c9fafe | 2264 | |
668f62ec | 2265 | if (!visit_type_str(v, name, &value, errp)) { |
57c9fafe AL |
2266 | return; |
2267 | } | |
2268 | ||
2269 | prop->set(obj, value, errp); | |
2270 | g_free(value); | |
2271 | } | |
2272 | ||
169cbac1 PB |
2273 | static void property_release_data(Object *obj, const char *name, |
2274 | void *opaque) | |
57c9fafe | 2275 | { |
169cbac1 | 2276 | g_free(opaque); |
57c9fafe AL |
2277 | } |
2278 | ||
70251887 MA |
2279 | ObjectProperty * |
2280 | object_property_add_str(Object *obj, const char *name, | |
2281 | char *(*get)(Object *, Error **), | |
d2623129 | 2282 | void (*set)(Object *, const char *, Error **)) |
57c9fafe AL |
2283 | { |
2284 | StringProperty *prop = g_malloc0(sizeof(*prop)); | |
2285 | ||
2286 | prop->get = get; | |
2287 | prop->set = set; | |
2288 | ||
d2623129 MA |
2289 | return object_property_add(obj, name, "string", |
2290 | get ? property_get_str : NULL, | |
2291 | set ? property_set_str : NULL, | |
169cbac1 | 2292 | property_release_data, |
d2623129 | 2293 | prop); |
57c9fafe | 2294 | } |
745549c8 | 2295 | |
a3a16211 MAL |
2296 | ObjectProperty * |
2297 | object_class_property_add_str(ObjectClass *klass, const char *name, | |
16bf7f52 DB |
2298 | char *(*get)(Object *, Error **), |
2299 | void (*set)(Object *, const char *, | |
d2623129 | 2300 | Error **)) |
16bf7f52 | 2301 | { |
16bf7f52 DB |
2302 | StringProperty *prop = g_malloc0(sizeof(*prop)); |
2303 | ||
2304 | prop->get = get; | |
2305 | prop->set = set; | |
2306 | ||
d2623129 MA |
2307 | return object_class_property_add(klass, name, "string", |
2308 | get ? property_get_str : NULL, | |
2309 | set ? property_set_str : NULL, | |
2310 | NULL, | |
2311 | prop); | |
16bf7f52 DB |
2312 | } |
2313 | ||
0e558843 AL |
2314 | typedef struct BoolProperty |
2315 | { | |
2316 | bool (*get)(Object *, Error **); | |
2317 | void (*set)(Object *, bool, Error **); | |
2318 | } BoolProperty; | |
2319 | ||
d7bce999 EB |
2320 | static void property_get_bool(Object *obj, Visitor *v, const char *name, |
2321 | void *opaque, Error **errp) | |
0e558843 AL |
2322 | { |
2323 | BoolProperty *prop = opaque; | |
2324 | bool value; | |
4715d42e MA |
2325 | Error *err = NULL; |
2326 | ||
2327 | value = prop->get(obj, &err); | |
2328 | if (err) { | |
2329 | error_propagate(errp, err); | |
2330 | return; | |
2331 | } | |
0e558843 | 2332 | |
51e72bc1 | 2333 | visit_type_bool(v, name, &value, errp); |
0e558843 AL |
2334 | } |
2335 | ||
d7bce999 EB |
2336 | static void property_set_bool(Object *obj, Visitor *v, const char *name, |
2337 | void *opaque, Error **errp) | |
0e558843 AL |
2338 | { |
2339 | BoolProperty *prop = opaque; | |
2340 | bool value; | |
0e558843 | 2341 | |
668f62ec | 2342 | if (!visit_type_bool(v, name, &value, errp)) { |
0e558843 AL |
2343 | return; |
2344 | } | |
2345 | ||
2346 | prop->set(obj, value, errp); | |
2347 | } | |
2348 | ||
70251887 MA |
2349 | ObjectProperty * |
2350 | object_property_add_bool(Object *obj, const char *name, | |
2351 | bool (*get)(Object *, Error **), | |
d2623129 | 2352 | void (*set)(Object *, bool, Error **)) |
0e558843 AL |
2353 | { |
2354 | BoolProperty *prop = g_malloc0(sizeof(*prop)); | |
2355 | ||
2356 | prop->get = get; | |
2357 | prop->set = set; | |
2358 | ||
d2623129 MA |
2359 | return object_property_add(obj, name, "bool", |
2360 | get ? property_get_bool : NULL, | |
2361 | set ? property_set_bool : NULL, | |
169cbac1 | 2362 | property_release_data, |
d2623129 | 2363 | prop); |
0e558843 AL |
2364 | } |
2365 | ||
a3a16211 MAL |
2366 | ObjectProperty * |
2367 | object_class_property_add_bool(ObjectClass *klass, const char *name, | |
16bf7f52 | 2368 | bool (*get)(Object *, Error **), |
d2623129 | 2369 | void (*set)(Object *, bool, Error **)) |
16bf7f52 | 2370 | { |
16bf7f52 DB |
2371 | BoolProperty *prop = g_malloc0(sizeof(*prop)); |
2372 | ||
2373 | prop->get = get; | |
2374 | prop->set = set; | |
2375 | ||
d2623129 MA |
2376 | return object_class_property_add(klass, name, "bool", |
2377 | get ? property_get_bool : NULL, | |
2378 | set ? property_set_bool : NULL, | |
2379 | NULL, | |
2380 | prop); | |
16bf7f52 DB |
2381 | } |
2382 | ||
d7bce999 EB |
2383 | static void property_get_enum(Object *obj, Visitor *v, const char *name, |
2384 | void *opaque, Error **errp) | |
a8e3fbed DB |
2385 | { |
2386 | EnumProperty *prop = opaque; | |
2387 | int value; | |
4715d42e MA |
2388 | Error *err = NULL; |
2389 | ||
2390 | value = prop->get(obj, &err); | |
2391 | if (err) { | |
2392 | error_propagate(errp, err); | |
2393 | return; | |
2394 | } | |
a8e3fbed | 2395 | |
f7abe0ec | 2396 | visit_type_enum(v, name, &value, prop->lookup, errp); |
a8e3fbed DB |
2397 | } |
2398 | ||
d7bce999 EB |
2399 | static void property_set_enum(Object *obj, Visitor *v, const char *name, |
2400 | void *opaque, Error **errp) | |
a8e3fbed DB |
2401 | { |
2402 | EnumProperty *prop = opaque; | |
2403 | int value; | |
2404 | ||
668f62ec | 2405 | if (!visit_type_enum(v, name, &value, prop->lookup, errp)) { |
4715d42e MA |
2406 | return; |
2407 | } | |
a8e3fbed DB |
2408 | prop->set(obj, value, errp); |
2409 | } | |
2410 | ||
70251887 MA |
2411 | ObjectProperty * |
2412 | object_property_add_enum(Object *obj, const char *name, | |
2413 | const char *typename, | |
2414 | const QEnumLookup *lookup, | |
2415 | int (*get)(Object *, Error **), | |
d2623129 | 2416 | void (*set)(Object *, int, Error **)) |
a8e3fbed | 2417 | { |
a8e3fbed DB |
2418 | EnumProperty *prop = g_malloc(sizeof(*prop)); |
2419 | ||
f7abe0ec | 2420 | prop->lookup = lookup; |
a8e3fbed DB |
2421 | prop->get = get; |
2422 | prop->set = set; | |
2423 | ||
d2623129 MA |
2424 | return object_property_add(obj, name, typename, |
2425 | get ? property_get_enum : NULL, | |
2426 | set ? property_set_enum : NULL, | |
169cbac1 | 2427 | property_release_data, |
d2623129 | 2428 | prop); |
a8e3fbed DB |
2429 | } |
2430 | ||
a3a16211 MAL |
2431 | ObjectProperty * |
2432 | object_class_property_add_enum(ObjectClass *klass, const char *name, | |
16bf7f52 | 2433 | const char *typename, |
f7abe0ec | 2434 | const QEnumLookup *lookup, |
16bf7f52 | 2435 | int (*get)(Object *, Error **), |
d2623129 | 2436 | void (*set)(Object *, int, Error **)) |
16bf7f52 | 2437 | { |
16bf7f52 DB |
2438 | EnumProperty *prop = g_malloc(sizeof(*prop)); |
2439 | ||
f7abe0ec | 2440 | prop->lookup = lookup; |
16bf7f52 DB |
2441 | prop->get = get; |
2442 | prop->set = set; | |
2443 | ||
d2623129 MA |
2444 | return object_class_property_add(klass, name, typename, |
2445 | get ? property_get_enum : NULL, | |
2446 | set ? property_set_enum : NULL, | |
2447 | NULL, | |
2448 | prop); | |
16bf7f52 DB |
2449 | } |
2450 | ||
8e099d14 DG |
2451 | typedef struct TMProperty { |
2452 | void (*get)(Object *, struct tm *, Error **); | |
2453 | } TMProperty; | |
2454 | ||
d7bce999 EB |
2455 | static void property_get_tm(Object *obj, Visitor *v, const char *name, |
2456 | void *opaque, Error **errp) | |
8e099d14 DG |
2457 | { |
2458 | TMProperty *prop = opaque; | |
2459 | Error *err = NULL; | |
2460 | struct tm value; | |
2461 | ||
2462 | prop->get(obj, &value, &err); | |
2463 | if (err) { | |
992861fb MA |
2464 | error_propagate(errp, err); |
2465 | return; | |
8e099d14 DG |
2466 | } |
2467 | ||
992861fb MA |
2468 | if (!visit_start_struct(v, name, NULL, 0, errp)) { |
2469 | return; | |
8e099d14 | 2470 | } |
992861fb | 2471 | if (!visit_type_int32(v, "tm_year", &value.tm_year, errp)) { |
8e099d14 DG |
2472 | goto out_end; |
2473 | } | |
992861fb | 2474 | if (!visit_type_int32(v, "tm_mon", &value.tm_mon, errp)) { |
8e099d14 DG |
2475 | goto out_end; |
2476 | } | |
992861fb | 2477 | if (!visit_type_int32(v, "tm_mday", &value.tm_mday, errp)) { |
8e099d14 DG |
2478 | goto out_end; |
2479 | } | |
992861fb | 2480 | if (!visit_type_int32(v, "tm_hour", &value.tm_hour, errp)) { |
8e099d14 DG |
2481 | goto out_end; |
2482 | } | |
992861fb | 2483 | if (!visit_type_int32(v, "tm_min", &value.tm_min, errp)) { |
8e099d14 DG |
2484 | goto out_end; |
2485 | } | |
992861fb | 2486 | if (!visit_type_int32(v, "tm_sec", &value.tm_sec, errp)) { |
8e099d14 DG |
2487 | goto out_end; |
2488 | } | |
992861fb | 2489 | visit_check_struct(v, errp); |
8e099d14 | 2490 | out_end: |
1158bb2a | 2491 | visit_end_struct(v, NULL); |
8e099d14 DG |
2492 | } |
2493 | ||
70251887 MA |
2494 | ObjectProperty * |
2495 | object_property_add_tm(Object *obj, const char *name, | |
d2623129 | 2496 | void (*get)(Object *, struct tm *, Error **)) |
8e099d14 | 2497 | { |
8e099d14 DG |
2498 | TMProperty *prop = g_malloc0(sizeof(*prop)); |
2499 | ||
2500 | prop->get = get; | |
2501 | ||
d2623129 MA |
2502 | return object_property_add(obj, name, "struct tm", |
2503 | get ? property_get_tm : NULL, NULL, | |
169cbac1 | 2504 | property_release_data, |
d2623129 | 2505 | prop); |
8e099d14 DG |
2506 | } |
2507 | ||
a3a16211 MAL |
2508 | ObjectProperty * |
2509 | object_class_property_add_tm(ObjectClass *klass, const char *name, | |
d2623129 | 2510 | void (*get)(Object *, struct tm *, Error **)) |
16bf7f52 | 2511 | { |
16bf7f52 DB |
2512 | TMProperty *prop = g_malloc0(sizeof(*prop)); |
2513 | ||
2514 | prop->get = get; | |
2515 | ||
d2623129 MA |
2516 | return object_class_property_add(klass, name, "struct tm", |
2517 | get ? property_get_tm : NULL, | |
2518 | NULL, NULL, prop); | |
16bf7f52 DB |
2519 | } |
2520 | ||
90c69fb9 | 2521 | static char *object_get_type(Object *obj, Error **errp) |
2f262e06 PB |
2522 | { |
2523 | return g_strdup(object_get_typename(obj)); | |
2524 | } | |
2525 | ||
d7bce999 EB |
2526 | static void property_get_uint8_ptr(Object *obj, Visitor *v, const char *name, |
2527 | void *opaque, Error **errp) | |
e732ea63 MT |
2528 | { |
2529 | uint8_t value = *(uint8_t *)opaque; | |
51e72bc1 | 2530 | visit_type_uint8(v, name, &value, errp); |
e732ea63 MT |
2531 | } |
2532 | ||
836e1b38 FF |
2533 | static void property_set_uint8_ptr(Object *obj, Visitor *v, const char *name, |
2534 | void *opaque, Error **errp) | |
2535 | { | |
2536 | uint8_t *field = opaque; | |
2537 | uint8_t value; | |
836e1b38 | 2538 | |
668f62ec | 2539 | if (!visit_type_uint8(v, name, &value, errp)) { |
836e1b38 FF |
2540 | return; |
2541 | } | |
2542 | ||
2543 | *field = value; | |
2544 | } | |
2545 | ||
d7bce999 EB |
2546 | static void property_get_uint16_ptr(Object *obj, Visitor *v, const char *name, |
2547 | void *opaque, Error **errp) | |
e732ea63 MT |
2548 | { |
2549 | uint16_t value = *(uint16_t *)opaque; | |
51e72bc1 | 2550 | visit_type_uint16(v, name, &value, errp); |
e732ea63 MT |
2551 | } |
2552 | ||
836e1b38 FF |
2553 | static void property_set_uint16_ptr(Object *obj, Visitor *v, const char *name, |
2554 | void *opaque, Error **errp) | |
2555 | { | |
2556 | uint16_t *field = opaque; | |
2557 | uint16_t value; | |
836e1b38 | 2558 | |
668f62ec | 2559 | if (!visit_type_uint16(v, name, &value, errp)) { |
836e1b38 FF |
2560 | return; |
2561 | } | |
2562 | ||
2563 | *field = value; | |
2564 | } | |
2565 | ||
d7bce999 EB |
2566 | static void property_get_uint32_ptr(Object *obj, Visitor *v, const char *name, |
2567 | void *opaque, Error **errp) | |
e732ea63 MT |
2568 | { |
2569 | uint32_t value = *(uint32_t *)opaque; | |
51e72bc1 | 2570 | visit_type_uint32(v, name, &value, errp); |
e732ea63 MT |
2571 | } |
2572 | ||
836e1b38 FF |
2573 | static void property_set_uint32_ptr(Object *obj, Visitor *v, const char *name, |
2574 | void *opaque, Error **errp) | |
2575 | { | |
2576 | uint32_t *field = opaque; | |
2577 | uint32_t value; | |
836e1b38 | 2578 | |
668f62ec | 2579 | if (!visit_type_uint32(v, name, &value, errp)) { |
836e1b38 FF |
2580 | return; |
2581 | } | |
2582 | ||
2583 | *field = value; | |
2584 | } | |
2585 | ||
d7bce999 EB |
2586 | static void property_get_uint64_ptr(Object *obj, Visitor *v, const char *name, |
2587 | void *opaque, Error **errp) | |
e732ea63 MT |
2588 | { |
2589 | uint64_t value = *(uint64_t *)opaque; | |
51e72bc1 | 2590 | visit_type_uint64(v, name, &value, errp); |
e732ea63 MT |
2591 | } |
2592 | ||
836e1b38 FF |
2593 | static void property_set_uint64_ptr(Object *obj, Visitor *v, const char *name, |
2594 | void *opaque, Error **errp) | |
2595 | { | |
2596 | uint64_t *field = opaque; | |
2597 | uint64_t value; | |
836e1b38 | 2598 | |
668f62ec | 2599 | if (!visit_type_uint64(v, name, &value, errp)) { |
836e1b38 FF |
2600 | return; |
2601 | } | |
2602 | ||
2603 | *field = value; | |
2604 | } | |
2605 | ||
70251887 MA |
2606 | ObjectProperty * |
2607 | object_property_add_uint8_ptr(Object *obj, const char *name, | |
2608 | const uint8_t *v, | |
d2623129 | 2609 | ObjectPropertyFlags flags) |
e732ea63 | 2610 | { |
836e1b38 FF |
2611 | ObjectPropertyAccessor *getter = NULL; |
2612 | ObjectPropertyAccessor *setter = NULL; | |
2613 | ||
2614 | if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) { | |
2615 | getter = property_get_uint8_ptr; | |
2616 | } | |
2617 | ||
2618 | if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) { | |
2619 | setter = property_set_uint8_ptr; | |
2620 | } | |
2621 | ||
70251887 | 2622 | return object_property_add(obj, name, "uint8", |
d2623129 | 2623 | getter, setter, NULL, (void *)v); |
e732ea63 MT |
2624 | } |
2625 | ||
a3a16211 MAL |
2626 | ObjectProperty * |
2627 | object_class_property_add_uint8_ptr(ObjectClass *klass, const char *name, | |
836e1b38 | 2628 | const uint8_t *v, |
d2623129 | 2629 | ObjectPropertyFlags flags) |
16bf7f52 | 2630 | { |
836e1b38 FF |
2631 | ObjectPropertyAccessor *getter = NULL; |
2632 | ObjectPropertyAccessor *setter = NULL; | |
2633 | ||
2634 | if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) { | |
2635 | getter = property_get_uint8_ptr; | |
2636 | } | |
2637 | ||
2638 | if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) { | |
2639 | setter = property_set_uint8_ptr; | |
2640 | } | |
2641 | ||
a3a16211 | 2642 | return object_class_property_add(klass, name, "uint8", |
d2623129 | 2643 | getter, setter, NULL, (void *)v); |
16bf7f52 DB |
2644 | } |
2645 | ||
70251887 MA |
2646 | ObjectProperty * |
2647 | object_property_add_uint16_ptr(Object *obj, const char *name, | |
2648 | const uint16_t *v, | |
d2623129 | 2649 | ObjectPropertyFlags flags) |
e732ea63 | 2650 | { |
836e1b38 FF |
2651 | ObjectPropertyAccessor *getter = NULL; |
2652 | ObjectPropertyAccessor *setter = NULL; | |
2653 | ||
2654 | if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) { | |
2655 | getter = property_get_uint16_ptr; | |
2656 | } | |
2657 | ||
2658 | if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) { | |
2659 | setter = property_set_uint16_ptr; | |
2660 | } | |
2661 | ||
70251887 | 2662 | return object_property_add(obj, name, "uint16", |
d2623129 | 2663 | getter, setter, NULL, (void *)v); |
e732ea63 MT |
2664 | } |
2665 | ||
a3a16211 MAL |
2666 | ObjectProperty * |
2667 | object_class_property_add_uint16_ptr(ObjectClass *klass, const char *name, | |
836e1b38 | 2668 | const uint16_t *v, |
d2623129 | 2669 | ObjectPropertyFlags flags) |
16bf7f52 | 2670 | { |
836e1b38 FF |
2671 | ObjectPropertyAccessor *getter = NULL; |
2672 | ObjectPropertyAccessor *setter = NULL; | |
2673 | ||
2674 | if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) { | |
2675 | getter = property_get_uint16_ptr; | |
2676 | } | |
2677 | ||
2678 | if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) { | |
2679 | setter = property_set_uint16_ptr; | |
2680 | } | |
2681 | ||
a3a16211 | 2682 | return object_class_property_add(klass, name, "uint16", |
d2623129 | 2683 | getter, setter, NULL, (void *)v); |
16bf7f52 DB |
2684 | } |
2685 | ||
70251887 MA |
2686 | ObjectProperty * |
2687 | object_property_add_uint32_ptr(Object *obj, const char *name, | |
2688 | const uint32_t *v, | |
d2623129 | 2689 | ObjectPropertyFlags flags) |
e732ea63 | 2690 | { |
836e1b38 FF |
2691 | ObjectPropertyAccessor *getter = NULL; |
2692 | ObjectPropertyAccessor *setter = NULL; | |
2693 | ||
2694 | if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) { | |
2695 | getter = property_get_uint32_ptr; | |
2696 | } | |
2697 | ||
2698 | if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) { | |
2699 | setter = property_set_uint32_ptr; | |
2700 | } | |
2701 | ||
70251887 | 2702 | return object_property_add(obj, name, "uint32", |
d2623129 | 2703 | getter, setter, NULL, (void *)v); |
e732ea63 MT |
2704 | } |
2705 | ||
a3a16211 MAL |
2706 | ObjectProperty * |
2707 | object_class_property_add_uint32_ptr(ObjectClass *klass, const char *name, | |
836e1b38 | 2708 | const uint32_t *v, |
d2623129 | 2709 | ObjectPropertyFlags flags) |
16bf7f52 | 2710 | { |
836e1b38 FF |
2711 | ObjectPropertyAccessor *getter = NULL; |
2712 | ObjectPropertyAccessor *setter = NULL; | |
2713 | ||
2714 | if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) { | |
2715 | getter = property_get_uint32_ptr; | |
2716 | } | |
2717 | ||
2718 | if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) { | |
2719 | setter = property_set_uint32_ptr; | |
2720 | } | |
2721 | ||
a3a16211 | 2722 | return object_class_property_add(klass, name, "uint32", |
d2623129 | 2723 | getter, setter, NULL, (void *)v); |
16bf7f52 DB |
2724 | } |
2725 | ||
70251887 MA |
2726 | ObjectProperty * |
2727 | object_property_add_uint64_ptr(Object *obj, const char *name, | |
2728 | const uint64_t *v, | |
d2623129 | 2729 | ObjectPropertyFlags flags) |
e732ea63 | 2730 | { |
836e1b38 FF |
2731 | ObjectPropertyAccessor *getter = NULL; |
2732 | ObjectPropertyAccessor *setter = NULL; | |
2733 | ||
2734 | if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) { | |
2735 | getter = property_get_uint64_ptr; | |
2736 | } | |
2737 | ||
2738 | if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) { | |
2739 | setter = property_set_uint64_ptr; | |
2740 | } | |
2741 | ||
70251887 | 2742 | return object_property_add(obj, name, "uint64", |
d2623129 | 2743 | getter, setter, NULL, (void *)v); |
e732ea63 MT |
2744 | } |
2745 | ||
a3a16211 MAL |
2746 | ObjectProperty * |
2747 | object_class_property_add_uint64_ptr(ObjectClass *klass, const char *name, | |
836e1b38 | 2748 | const uint64_t *v, |
d2623129 | 2749 | ObjectPropertyFlags flags) |
16bf7f52 | 2750 | { |
836e1b38 FF |
2751 | ObjectPropertyAccessor *getter = NULL; |
2752 | ObjectPropertyAccessor *setter = NULL; | |
2753 | ||
2754 | if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) { | |
2755 | getter = property_get_uint64_ptr; | |
2756 | } | |
2757 | ||
2758 | if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) { | |
2759 | setter = property_set_uint64_ptr; | |
2760 | } | |
2761 | ||
a3a16211 | 2762 | return object_class_property_add(klass, name, "uint64", |
d2623129 | 2763 | getter, setter, NULL, (void *)v); |
16bf7f52 DB |
2764 | } |
2765 | ||
ef7c7ff6 SH |
2766 | typedef struct { |
2767 | Object *target_obj; | |
1590d266 | 2768 | char *target_name; |
ef7c7ff6 SH |
2769 | } AliasProperty; |
2770 | ||
d7bce999 EB |
2771 | static void property_get_alias(Object *obj, Visitor *v, const char *name, |
2772 | void *opaque, Error **errp) | |
ef7c7ff6 SH |
2773 | { |
2774 | AliasProperty *prop = opaque; | |
cbc94d97 | 2775 | Visitor *alias_v = visitor_forward_field(v, prop->target_name, name); |
ef7c7ff6 | 2776 | |
cbc94d97 PB |
2777 | object_property_get(prop->target_obj, prop->target_name, alias_v, errp); |
2778 | visit_free(alias_v); | |
ef7c7ff6 SH |
2779 | } |
2780 | ||
d7bce999 EB |
2781 | static void property_set_alias(Object *obj, Visitor *v, const char *name, |
2782 | void *opaque, Error **errp) | |
ef7c7ff6 SH |
2783 | { |
2784 | AliasProperty *prop = opaque; | |
cbc94d97 | 2785 | Visitor *alias_v = visitor_forward_field(v, prop->target_name, name); |
ef7c7ff6 | 2786 | |
cbc94d97 PB |
2787 | object_property_set(prop->target_obj, prop->target_name, alias_v, errp); |
2788 | visit_free(alias_v); | |
ef7c7ff6 SH |
2789 | } |
2790 | ||
64607d08 | 2791 | static Object *property_resolve_alias(Object *obj, void *opaque, |
ddfb0baa | 2792 | const char *part) |
64607d08 PB |
2793 | { |
2794 | AliasProperty *prop = opaque; | |
2795 | ||
2796 | return object_resolve_path_component(prop->target_obj, prop->target_name); | |
2797 | } | |
2798 | ||
ef7c7ff6 SH |
2799 | static void property_release_alias(Object *obj, const char *name, void *opaque) |
2800 | { | |
2801 | AliasProperty *prop = opaque; | |
2802 | ||
1590d266 | 2803 | g_free(prop->target_name); |
ef7c7ff6 SH |
2804 | g_free(prop); |
2805 | } | |
2806 | ||
70251887 MA |
2807 | ObjectProperty * |
2808 | object_property_add_alias(Object *obj, const char *name, | |
d2623129 | 2809 | Object *target_obj, const char *target_name) |
ef7c7ff6 SH |
2810 | { |
2811 | AliasProperty *prop; | |
64607d08 | 2812 | ObjectProperty *op; |
ef7c7ff6 | 2813 | ObjectProperty *target_prop; |
70251887 | 2814 | g_autofree char *prop_type = NULL; |
ef7c7ff6 | 2815 | |
efba1595 DB |
2816 | target_prop = object_property_find_err(target_obj, target_name, |
2817 | &error_abort); | |
ef7c7ff6 | 2818 | |
d190698e PB |
2819 | if (object_property_is_child(target_prop)) { |
2820 | prop_type = g_strdup_printf("link%s", | |
2821 | target_prop->type + strlen("child")); | |
2822 | } else { | |
2823 | prop_type = g_strdup(target_prop->type); | |
2824 | } | |
2825 | ||
ef7c7ff6 SH |
2826 | prop = g_malloc(sizeof(*prop)); |
2827 | prop->target_obj = target_obj; | |
1590d266 | 2828 | prop->target_name = g_strdup(target_name); |
ef7c7ff6 | 2829 | |
d190698e | 2830 | op = object_property_add(obj, name, prop_type, |
64607d08 PB |
2831 | property_get_alias, |
2832 | property_set_alias, | |
2833 | property_release_alias, | |
d2623129 | 2834 | prop); |
64607d08 | 2835 | op->resolve = property_resolve_alias; |
0e76ed0a MAL |
2836 | if (target_prop->defval) { |
2837 | op->defval = qobject_ref(target_prop->defval); | |
2838 | } | |
d190698e | 2839 | |
a18bb417 | 2840 | object_property_set_description(obj, op->name, |
7eecec7d | 2841 | target_prop->description); |
70251887 | 2842 | return op; |
ef7c7ff6 SH |
2843 | } |
2844 | ||
80742642 | 2845 | void object_property_set_description(Object *obj, const char *name, |
7eecec7d | 2846 | const char *description) |
80742642 GA |
2847 | { |
2848 | ObjectProperty *op; | |
2849 | ||
efba1595 | 2850 | op = object_property_find_err(obj, name, &error_abort); |
80742642 GA |
2851 | g_free(op->description); |
2852 | op->description = g_strdup(description); | |
2853 | } | |
2854 | ||
16bf7f52 DB |
2855 | void object_class_property_set_description(ObjectClass *klass, |
2856 | const char *name, | |
7eecec7d | 2857 | const char *description) |
16bf7f52 DB |
2858 | { |
2859 | ObjectProperty *op; | |
2860 | ||
2861 | op = g_hash_table_lookup(klass->properties, name); | |
16bf7f52 DB |
2862 | g_free(op->description); |
2863 | op->description = g_strdup(description); | |
2864 | } | |
2865 | ||
7439a036 | 2866 | static void object_class_init(ObjectClass *klass, void *data) |
2f262e06 | 2867 | { |
90c69fb9 | 2868 | object_class_property_add_str(klass, "type", object_get_type, |
d2623129 | 2869 | NULL); |
2f262e06 PB |
2870 | } |
2871 | ||
745549c8 PB |
2872 | static void register_types(void) |
2873 | { | |
5e78c98b | 2874 | static const TypeInfo interface_info = { |
745549c8 | 2875 | .name = TYPE_INTERFACE, |
33e95c63 | 2876 | .class_size = sizeof(InterfaceClass), |
745549c8 PB |
2877 | .abstract = true, |
2878 | }; | |
2879 | ||
5e78c98b | 2880 | static const TypeInfo object_info = { |
745549c8 PB |
2881 | .name = TYPE_OBJECT, |
2882 | .instance_size = sizeof(Object), | |
7439a036 | 2883 | .class_init = object_class_init, |
745549c8 PB |
2884 | .abstract = true, |
2885 | }; | |
2886 | ||
049cb3cf PB |
2887 | type_interface = type_register_internal(&interface_info); |
2888 | type_register_internal(&object_info); | |
745549c8 PB |
2889 | } |
2890 | ||
2891 | type_init(register_types) |