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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" |
7b1b5d19 | 19 | #include "qapi/visitor.h" |
b2cd7dee PB |
20 | #include "qapi/string-input-visitor.h" |
21 | #include "qapi/string-output-visitor.h" | |
0e76ed0a | 22 | #include "qapi/qobject-input-visitor.h" |
eb815e24 | 23 | #include "qapi/qapi-builtin-visit.h" |
7b1b5d19 | 24 | #include "qapi/qmp/qerror.h" |
0e76ed0a | 25 | #include "qapi/qmp/qjson.h" |
fa131d94 | 26 | #include "trace.h" |
2f28d2ff | 27 | |
7b7b7d18 PB |
28 | /* TODO: replace QObject with a simpler visitor to avoid a dependency |
29 | * of the QOM core on QObject? */ | |
14cccb61 | 30 | #include "qom/qom-qobject.h" |
7b1b5d19 | 31 | #include "qapi/qmp/qbool.h" |
15280c36 | 32 | #include "qapi/qmp/qnum.h" |
7b1b5d19 | 33 | #include "qapi/qmp/qstring.h" |
e02bdf1c | 34 | #include "qemu/error-report.h" |
7b7b7d18 | 35 | |
2f28d2ff AL |
36 | #define MAX_INTERFACES 32 |
37 | ||
38 | typedef struct InterfaceImpl InterfaceImpl; | |
39 | typedef struct TypeImpl TypeImpl; | |
40 | ||
41 | struct InterfaceImpl | |
42 | { | |
33e95c63 | 43 | const char *typename; |
2f28d2ff AL |
44 | }; |
45 | ||
46 | struct TypeImpl | |
47 | { | |
48 | const char *name; | |
49 | ||
50 | size_t class_size; | |
51 | ||
52 | size_t instance_size; | |
53 | ||
54 | void (*class_init)(ObjectClass *klass, void *data); | |
3b50e311 | 55 | void (*class_base_init)(ObjectClass *klass, void *data); |
2f28d2ff AL |
56 | |
57 | void *class_data; | |
58 | ||
59 | void (*instance_init)(Object *obj); | |
8231c2dd | 60 | void (*instance_post_init)(Object *obj); |
2f28d2ff AL |
61 | void (*instance_finalize)(Object *obj); |
62 | ||
63 | bool abstract; | |
64 | ||
65 | const char *parent; | |
66 | TypeImpl *parent_type; | |
67 | ||
68 | ObjectClass *class; | |
69 | ||
70 | int num_interfaces; | |
71 | InterfaceImpl interfaces[MAX_INTERFACES]; | |
72 | }; | |
73 | ||
9970bd88 PB |
74 | static Type type_interface; |
75 | ||
2f28d2ff AL |
76 | static GHashTable *type_table_get(void) |
77 | { | |
78 | static GHashTable *type_table; | |
79 | ||
80 | if (type_table == NULL) { | |
81 | type_table = g_hash_table_new(g_str_hash, g_str_equal); | |
82 | } | |
83 | ||
84 | return type_table; | |
85 | } | |
86 | ||
f54c19ca HP |
87 | static bool enumerating_types; |
88 | ||
2f28d2ff AL |
89 | static void type_table_add(TypeImpl *ti) |
90 | { | |
f54c19ca | 91 | assert(!enumerating_types); |
2f28d2ff AL |
92 | g_hash_table_insert(type_table_get(), (void *)ti->name, ti); |
93 | } | |
94 | ||
95 | static TypeImpl *type_table_lookup(const char *name) | |
96 | { | |
97 | return g_hash_table_lookup(type_table_get(), name); | |
98 | } | |
99 | ||
b061dc41 | 100 | static TypeImpl *type_new(const TypeInfo *info) |
2f28d2ff AL |
101 | { |
102 | TypeImpl *ti = g_malloc0(sizeof(*ti)); | |
33e95c63 | 103 | int i; |
2f28d2ff AL |
104 | |
105 | g_assert(info->name != NULL); | |
106 | ||
73093354 AL |
107 | if (type_table_lookup(info->name) != NULL) { |
108 | fprintf(stderr, "Registering `%s' which already exists\n", info->name); | |
109 | abort(); | |
110 | } | |
111 | ||
2f28d2ff AL |
112 | ti->name = g_strdup(info->name); |
113 | ti->parent = g_strdup(info->parent); | |
114 | ||
115 | ti->class_size = info->class_size; | |
116 | ti->instance_size = info->instance_size; | |
117 | ||
118 | ti->class_init = info->class_init; | |
3b50e311 | 119 | ti->class_base_init = info->class_base_init; |
2f28d2ff AL |
120 | ti->class_data = info->class_data; |
121 | ||
122 | ti->instance_init = info->instance_init; | |
8231c2dd | 123 | ti->instance_post_init = info->instance_post_init; |
2f28d2ff AL |
124 | ti->instance_finalize = info->instance_finalize; |
125 | ||
126 | ti->abstract = info->abstract; | |
127 | ||
33e95c63 AL |
128 | for (i = 0; info->interfaces && info->interfaces[i].type; i++) { |
129 | ti->interfaces[i].typename = g_strdup(info->interfaces[i].type); | |
2f28d2ff | 130 | } |
33e95c63 | 131 | ti->num_interfaces = i; |
2f28d2ff | 132 | |
b061dc41 PB |
133 | return ti; |
134 | } | |
2f28d2ff | 135 | |
b061dc41 PB |
136 | static TypeImpl *type_register_internal(const TypeInfo *info) |
137 | { | |
138 | TypeImpl *ti; | |
139 | ti = type_new(info); | |
140 | ||
141 | type_table_add(ti); | |
2f28d2ff AL |
142 | return ti; |
143 | } | |
144 | ||
049cb3cf PB |
145 | TypeImpl *type_register(const TypeInfo *info) |
146 | { | |
147 | assert(info->parent); | |
148 | return type_register_internal(info); | |
149 | } | |
150 | ||
2f28d2ff AL |
151 | TypeImpl *type_register_static(const TypeInfo *info) |
152 | { | |
153 | return type_register(info); | |
154 | } | |
155 | ||
aa04c9d2 IM |
156 | void type_register_static_array(const TypeInfo *infos, int nr_infos) |
157 | { | |
158 | int i; | |
159 | ||
160 | for (i = 0; i < nr_infos; i++) { | |
161 | type_register_static(&infos[i]); | |
162 | } | |
163 | } | |
164 | ||
2f28d2ff AL |
165 | static TypeImpl *type_get_by_name(const char *name) |
166 | { | |
167 | if (name == NULL) { | |
168 | return NULL; | |
169 | } | |
170 | ||
171 | return type_table_lookup(name); | |
172 | } | |
173 | ||
174 | static TypeImpl *type_get_parent(TypeImpl *type) | |
175 | { | |
176 | if (!type->parent_type && type->parent) { | |
177 | type->parent_type = type_get_by_name(type->parent); | |
89d337fd PMD |
178 | if (!type->parent_type) { |
179 | fprintf(stderr, "Type '%s' is missing its parent '%s'\n", | |
180 | type->name, type->parent); | |
181 | abort(); | |
182 | } | |
2f28d2ff AL |
183 | } |
184 | ||
185 | return type->parent_type; | |
186 | } | |
187 | ||
188 | static bool type_has_parent(TypeImpl *type) | |
189 | { | |
190 | return (type->parent != NULL); | |
191 | } | |
192 | ||
193 | static size_t type_class_get_size(TypeImpl *ti) | |
194 | { | |
195 | if (ti->class_size) { | |
196 | return ti->class_size; | |
197 | } | |
198 | ||
199 | if (type_has_parent(ti)) { | |
200 | return type_class_get_size(type_get_parent(ti)); | |
201 | } | |
202 | ||
203 | return sizeof(ObjectClass); | |
204 | } | |
205 | ||
aca59af6 IM |
206 | static size_t type_object_get_size(TypeImpl *ti) |
207 | { | |
208 | if (ti->instance_size) { | |
209 | return ti->instance_size; | |
210 | } | |
211 | ||
212 | if (type_has_parent(ti)) { | |
213 | return type_object_get_size(type_get_parent(ti)); | |
214 | } | |
215 | ||
216 | return 0; | |
217 | } | |
218 | ||
3f97b53a BR |
219 | size_t object_type_get_instance_size(const char *typename) |
220 | { | |
221 | TypeImpl *type = type_get_by_name(typename); | |
222 | ||
223 | g_assert(type != NULL); | |
224 | return type_object_get_size(type); | |
225 | } | |
226 | ||
33e95c63 | 227 | static bool type_is_ancestor(TypeImpl *type, TypeImpl *target_type) |
2f28d2ff | 228 | { |
33e95c63 AL |
229 | assert(target_type); |
230 | ||
b30d8054 | 231 | /* Check if target_type is a direct ancestor of type */ |
33e95c63 AL |
232 | while (type) { |
233 | if (type == target_type) { | |
234 | return true; | |
235 | } | |
2f28d2ff | 236 | |
33e95c63 AL |
237 | type = type_get_parent(type); |
238 | } | |
239 | ||
240 | return false; | |
241 | } | |
242 | ||
243 | static void type_initialize(TypeImpl *ti); | |
244 | ||
b061dc41 PB |
245 | static void type_initialize_interface(TypeImpl *ti, TypeImpl *interface_type, |
246 | TypeImpl *parent_type) | |
33e95c63 AL |
247 | { |
248 | InterfaceClass *new_iface; | |
249 | TypeInfo info = { }; | |
250 | TypeImpl *iface_impl; | |
251 | ||
b061dc41 PB |
252 | info.parent = parent_type->name; |
253 | info.name = g_strdup_printf("%s::%s", ti->name, interface_type->name); | |
33e95c63 AL |
254 | info.abstract = true; |
255 | ||
b061dc41 PB |
256 | iface_impl = type_new(&info); |
257 | iface_impl->parent_type = parent_type; | |
33e95c63 AL |
258 | type_initialize(iface_impl); |
259 | g_free((char *)info.name); | |
260 | ||
261 | new_iface = (InterfaceClass *)iface_impl->class; | |
262 | new_iface->concrete_class = ti->class; | |
b061dc41 | 263 | new_iface->interface_type = interface_type; |
33e95c63 AL |
264 | |
265 | ti->class->interfaces = g_slist_append(ti->class->interfaces, | |
266 | iface_impl->class); | |
2f28d2ff AL |
267 | } |
268 | ||
16bf7f52 DB |
269 | static void object_property_free(gpointer data) |
270 | { | |
271 | ObjectProperty *prop = data; | |
272 | ||
0e76ed0a MAL |
273 | if (prop->defval) { |
274 | qobject_unref(prop->defval); | |
275 | prop->defval = NULL; | |
276 | } | |
16bf7f52 DB |
277 | g_free(prop->name); |
278 | g_free(prop->type); | |
279 | g_free(prop->description); | |
280 | g_free(prop); | |
281 | } | |
282 | ||
ac451033 | 283 | static void type_initialize(TypeImpl *ti) |
2f28d2ff | 284 | { |
745549c8 | 285 | TypeImpl *parent; |
2f28d2ff AL |
286 | |
287 | if (ti->class) { | |
288 | return; | |
289 | } | |
290 | ||
291 | ti->class_size = type_class_get_size(ti); | |
aca59af6 | 292 | ti->instance_size = type_object_get_size(ti); |
1c6d75d5 EH |
293 | /* Any type with zero instance_size is implicitly abstract. |
294 | * This means interface types are all abstract. | |
295 | */ | |
296 | if (ti->instance_size == 0) { | |
297 | ti->abstract = true; | |
298 | } | |
422ca143 MAL |
299 | if (type_is_ancestor(ti, type_interface)) { |
300 | assert(ti->instance_size == 0); | |
301 | assert(ti->abstract); | |
302 | assert(!ti->instance_init); | |
303 | assert(!ti->instance_post_init); | |
304 | assert(!ti->instance_finalize); | |
305 | assert(!ti->num_interfaces); | |
306 | } | |
2f28d2ff | 307 | ti->class = g_malloc0(ti->class_size); |
2f28d2ff | 308 | |
745549c8 PB |
309 | parent = type_get_parent(ti); |
310 | if (parent) { | |
ac451033 | 311 | type_initialize(parent); |
33e95c63 AL |
312 | GSList *e; |
313 | int i; | |
2f28d2ff | 314 | |
719a3077 | 315 | g_assert(parent->class_size <= ti->class_size); |
d5e633fc | 316 | g_assert(parent->instance_size <= ti->instance_size); |
745549c8 | 317 | memcpy(ti->class, parent->class, parent->class_size); |
3e407de4 | 318 | ti->class->interfaces = NULL; |
16bf7f52 | 319 | ti->class->properties = g_hash_table_new_full( |
ba806ffb | 320 | g_str_hash, g_str_equal, NULL, object_property_free); |
33e95c63 AL |
321 | |
322 | for (e = parent->class->interfaces; e; e = e->next) { | |
b061dc41 PB |
323 | InterfaceClass *iface = e->data; |
324 | ObjectClass *klass = OBJECT_CLASS(iface); | |
325 | ||
326 | type_initialize_interface(ti, iface->interface_type, klass->type); | |
33e95c63 AL |
327 | } |
328 | ||
329 | for (i = 0; i < ti->num_interfaces; i++) { | |
330 | TypeImpl *t = type_get_by_name(ti->interfaces[i].typename); | |
a9ee3a9e PMD |
331 | if (!t) { |
332 | error_report("missing interface '%s' for object '%s'", | |
333 | ti->interfaces[i].typename, parent->name); | |
334 | abort(); | |
335 | } | |
33e95c63 AL |
336 | for (e = ti->class->interfaces; e; e = e->next) { |
337 | TypeImpl *target_type = OBJECT_CLASS(e->data)->type; | |
338 | ||
339 | if (type_is_ancestor(target_type, t)) { | |
340 | break; | |
341 | } | |
342 | } | |
343 | ||
344 | if (e) { | |
345 | continue; | |
346 | } | |
347 | ||
b061dc41 | 348 | type_initialize_interface(ti, t, t); |
33e95c63 | 349 | } |
16bf7f52 DB |
350 | } else { |
351 | ti->class->properties = g_hash_table_new_full( | |
ba806ffb | 352 | g_str_hash, g_str_equal, NULL, object_property_free); |
745549c8 | 353 | } |
2f28d2ff | 354 | |
745549c8 | 355 | ti->class->type = ti; |
3b50e311 | 356 | |
745549c8 PB |
357 | while (parent) { |
358 | if (parent->class_base_init) { | |
359 | parent->class_base_init(ti->class, ti->class_data); | |
3b50e311 | 360 | } |
745549c8 | 361 | parent = type_get_parent(parent); |
2f28d2ff AL |
362 | } |
363 | ||
2f28d2ff AL |
364 | if (ti->class_init) { |
365 | ti->class_init(ti->class, ti->class_data); | |
366 | } | |
2f28d2ff AL |
367 | } |
368 | ||
369 | static void object_init_with_type(Object *obj, TypeImpl *ti) | |
370 | { | |
2f28d2ff AL |
371 | if (type_has_parent(ti)) { |
372 | object_init_with_type(obj, type_get_parent(ti)); | |
373 | } | |
374 | ||
2f28d2ff AL |
375 | if (ti->instance_init) { |
376 | ti->instance_init(obj); | |
377 | } | |
378 | } | |
379 | ||
8231c2dd EH |
380 | static void object_post_init_with_type(Object *obj, TypeImpl *ti) |
381 | { | |
382 | if (ti->instance_post_init) { | |
383 | ti->instance_post_init(obj); | |
384 | } | |
385 | ||
386 | if (type_has_parent(ti)) { | |
387 | object_post_init_with_type(obj, type_get_parent(ti)); | |
388 | } | |
389 | } | |
390 | ||
ea9ce893 MAL |
391 | void object_apply_global_props(Object *obj, const GPtrArray *props, Error **errp) |
392 | { | |
ea9ce893 MAL |
393 | int i; |
394 | ||
395 | if (!props) { | |
396 | return; | |
397 | } | |
398 | ||
399 | for (i = 0; i < props->len; i++) { | |
400 | GlobalProperty *p = g_ptr_array_index(props, i); | |
d769f0df | 401 | Error *err = NULL; |
ea9ce893 MAL |
402 | |
403 | if (object_dynamic_cast(obj, p->driver) == NULL) { | |
404 | continue; | |
405 | } | |
92fd453c DDAG |
406 | if (p->optional && !object_property_find(obj, p->property, NULL)) { |
407 | continue; | |
408 | } | |
ea9ce893 MAL |
409 | p->used = true; |
410 | object_property_parse(obj, p->value, p->property, &err); | |
411 | if (err != NULL) { | |
412 | error_prepend(&err, "can't apply global %s.%s=%s: ", | |
413 | p->driver, p->property, p->value); | |
50545b2c MAL |
414 | /* |
415 | * If errp != NULL, propagate error and return. | |
416 | * If errp == NULL, report a warning, but keep going | |
417 | * with the remaining globals. | |
418 | */ | |
419 | if (errp) { | |
420 | error_propagate(errp, err); | |
421 | return; | |
422 | } else { | |
423 | warn_report_err(err); | |
424 | } | |
ea9ce893 MAL |
425 | } |
426 | } | |
427 | } | |
428 | ||
617902af MA |
429 | /* |
430 | * Global property defaults | |
431 | * Slot 0: accelerator's global property defaults | |
432 | * Slot 1: machine's global property defaults | |
1fff3c20 | 433 | * Slot 2: global properties from legacy command line option |
617902af MA |
434 | * Each is a GPtrArray of of GlobalProperty. |
435 | * Applied in order, later entries override earlier ones. | |
436 | */ | |
1fff3c20 PB |
437 | static GPtrArray *object_compat_props[3]; |
438 | ||
439 | /* | |
440 | * Retrieve @GPtrArray for global property defined with options | |
441 | * other than "-global". These are generally used for syntactic | |
442 | * sugar and legacy command line options. | |
443 | */ | |
444 | void object_register_sugar_prop(const char *driver, const char *prop, const char *value) | |
445 | { | |
446 | GlobalProperty *g; | |
447 | if (!object_compat_props[2]) { | |
448 | object_compat_props[2] = g_ptr_array_new(); | |
449 | } | |
450 | g = g_new0(GlobalProperty, 1); | |
451 | g->driver = g_strdup(driver); | |
452 | g->property = g_strdup(prop); | |
453 | g->value = g_strdup(value); | |
454 | g_ptr_array_add(object_compat_props[2], g); | |
455 | } | |
617902af MA |
456 | |
457 | /* | |
458 | * Set machine's global property defaults to @compat_props. | |
459 | * May be called at most once. | |
460 | */ | |
461 | void object_set_machine_compat_props(GPtrArray *compat_props) | |
462 | { | |
463 | assert(!object_compat_props[1]); | |
464 | object_compat_props[1] = compat_props; | |
465 | } | |
466 | ||
467 | /* | |
468 | * Set accelerator's global property defaults to @compat_props. | |
469 | * May be called at most once. | |
470 | */ | |
471 | void object_set_accelerator_compat_props(GPtrArray *compat_props) | |
472 | { | |
473 | assert(!object_compat_props[0]); | |
474 | object_compat_props[0] = compat_props; | |
475 | } | |
476 | ||
477 | void object_apply_compat_props(Object *obj) | |
478 | { | |
479 | int i; | |
480 | ||
481 | for (i = 0; i < ARRAY_SIZE(object_compat_props); i++) { | |
482 | object_apply_global_props(obj, object_compat_props[i], | |
1fff3c20 | 483 | i == 2 ? &error_fatal : &error_abort); |
617902af MA |
484 | } |
485 | } | |
486 | ||
2a1be4b3 MAL |
487 | static void object_class_property_init_all(Object *obj) |
488 | { | |
489 | ObjectPropertyIterator iter; | |
490 | ObjectProperty *prop; | |
491 | ||
492 | object_class_property_iter_init(&iter, object_get_class(obj)); | |
493 | while ((prop = object_property_iter_next(&iter))) { | |
494 | if (prop->init) { | |
495 | prop->init(obj, prop); | |
496 | } | |
497 | } | |
498 | } | |
499 | ||
63f7b10b | 500 | static void object_initialize_with_type(void *data, size_t size, TypeImpl *type) |
2f28d2ff AL |
501 | { |
502 | Object *obj = data; | |
503 | ||
ac451033 | 504 | type_initialize(type); |
aca59af6 | 505 | |
719a3077 | 506 | g_assert(type->instance_size >= sizeof(Object)); |
2f28d2ff | 507 | g_assert(type->abstract == false); |
719a3077 | 508 | g_assert(size >= type->instance_size); |
2f28d2ff AL |
509 | |
510 | memset(obj, 0, type->instance_size); | |
511 | obj->class = type->class; | |
764b6312 | 512 | object_ref(obj); |
2a1be4b3 | 513 | object_class_property_init_all(obj); |
b604a854 PF |
514 | obj->properties = g_hash_table_new_full(g_str_hash, g_str_equal, |
515 | NULL, object_property_free); | |
2f28d2ff | 516 | object_init_with_type(obj, type); |
8231c2dd | 517 | object_post_init_with_type(obj, type); |
2f28d2ff AL |
518 | } |
519 | ||
213f0c4f | 520 | void object_initialize(void *data, size_t size, const char *typename) |
2f28d2ff AL |
521 | { |
522 | TypeImpl *type = type_get_by_name(typename); | |
523 | ||
e02bdf1c PMD |
524 | if (!type) { |
525 | error_report("missing object type '%s'", typename); | |
526 | abort(); | |
527 | } | |
528 | ||
5b9237f6 | 529 | object_initialize_with_type(data, size, type); |
2f28d2ff AL |
530 | } |
531 | ||
0210b39d TH |
532 | void object_initialize_child(Object *parentobj, const char *propname, |
533 | void *childobj, size_t size, const char *type, | |
534 | Error **errp, ...) | |
535 | { | |
536 | va_list vargs; | |
537 | ||
538 | va_start(vargs, errp); | |
539 | object_initialize_childv(parentobj, propname, childobj, size, type, errp, | |
540 | vargs); | |
541 | va_end(vargs); | |
542 | } | |
543 | ||
544 | void object_initialize_childv(Object *parentobj, const char *propname, | |
545 | void *childobj, size_t size, const char *type, | |
546 | Error **errp, va_list vargs) | |
547 | { | |
548 | Error *local_err = NULL; | |
549 | Object *obj; | |
3650b2de | 550 | UserCreatable *uc; |
0210b39d TH |
551 | |
552 | object_initialize(childobj, size, type); | |
553 | obj = OBJECT(childobj); | |
554 | ||
555 | object_set_propv(obj, &local_err, vargs); | |
556 | if (local_err) { | |
557 | goto out; | |
558 | } | |
559 | ||
560 | object_property_add_child(parentobj, propname, obj, &local_err); | |
561 | if (local_err) { | |
562 | goto out; | |
563 | } | |
564 | ||
3650b2de MAL |
565 | uc = (UserCreatable *)object_dynamic_cast(obj, TYPE_USER_CREATABLE); |
566 | if (uc) { | |
567 | user_creatable_complete(uc, &local_err); | |
0210b39d TH |
568 | if (local_err) { |
569 | object_unparent(obj); | |
570 | goto out; | |
571 | } | |
572 | } | |
573 | ||
574 | /* | |
575 | * Since object_property_add_child added a reference to the child object, | |
576 | * we can drop the reference added by object_initialize(), so the child | |
577 | * property will own the only reference to the object. | |
578 | */ | |
579 | object_unref(obj); | |
580 | ||
581 | out: | |
582 | if (local_err) { | |
583 | error_propagate(errp, local_err); | |
584 | object_unref(obj); | |
585 | } | |
586 | } | |
587 | ||
5d9d3f47 AF |
588 | static inline bool object_property_is_child(ObjectProperty *prop) |
589 | { | |
590 | return strstart(prop->type, "child<", NULL); | |
591 | } | |
592 | ||
57c9fafe AL |
593 | static void object_property_del_all(Object *obj) |
594 | { | |
b604a854 PF |
595 | ObjectProperty *prop; |
596 | GHashTableIter iter; | |
597 | gpointer key, value; | |
598 | bool released; | |
599 | ||
600 | do { | |
601 | released = false; | |
602 | g_hash_table_iter_init(&iter, obj->properties); | |
603 | while (g_hash_table_iter_next(&iter, &key, &value)) { | |
604 | prop = value; | |
605 | if (prop->release) { | |
606 | prop->release(obj, prop->name, prop->opaque); | |
607 | prop->release = NULL; | |
608 | released = true; | |
609 | break; | |
610 | } | |
611 | g_hash_table_iter_remove(&iter); | |
57c9fafe | 612 | } |
b604a854 | 613 | } while (released); |
57c9fafe | 614 | |
b604a854 | 615 | g_hash_table_unref(obj->properties); |
57c9fafe AL |
616 | } |
617 | ||
618 | static void object_property_del_child(Object *obj, Object *child, Error **errp) | |
619 | { | |
620 | ObjectProperty *prop; | |
b604a854 PF |
621 | GHashTableIter iter; |
622 | gpointer key, value; | |
57c9fafe | 623 | |
b604a854 PF |
624 | g_hash_table_iter_init(&iter, obj->properties); |
625 | while (g_hash_table_iter_next(&iter, &key, &value)) { | |
626 | prop = value; | |
627 | if (object_property_is_child(prop) && prop->opaque == child) { | |
628 | if (prop->release) { | |
629 | prop->release(obj, prop->name, prop->opaque); | |
630 | prop->release = NULL; | |
631 | } | |
632 | break; | |
633 | } | |
634 | } | |
635 | g_hash_table_iter_init(&iter, obj->properties); | |
636 | while (g_hash_table_iter_next(&iter, &key, &value)) { | |
637 | prop = value; | |
5d9d3f47 | 638 | if (object_property_is_child(prop) && prop->opaque == child) { |
b604a854 | 639 | g_hash_table_iter_remove(&iter); |
6c1fdcf9 | 640 | break; |
57c9fafe AL |
641 | } |
642 | } | |
643 | } | |
644 | ||
645 | void object_unparent(Object *obj) | |
646 | { | |
e998fa8d MT |
647 | if (obj->parent) { |
648 | object_property_del_child(obj->parent, obj, NULL); | |
649 | } | |
57c9fafe AL |
650 | } |
651 | ||
2f28d2ff AL |
652 | static void object_deinit(Object *obj, TypeImpl *type) |
653 | { | |
654 | if (type->instance_finalize) { | |
655 | type->instance_finalize(obj); | |
656 | } | |
657 | ||
2f28d2ff AL |
658 | if (type_has_parent(type)) { |
659 | object_deinit(obj, type_get_parent(type)); | |
660 | } | |
661 | } | |
662 | ||
339c2708 | 663 | static void object_finalize(void *data) |
2f28d2ff AL |
664 | { |
665 | Object *obj = data; | |
666 | TypeImpl *ti = obj->class->type; | |
667 | ||
57c9fafe | 668 | object_property_del_all(obj); |
76a6e1cc | 669 | object_deinit(obj, ti); |
db85b575 | 670 | |
719a3077 | 671 | g_assert(obj->ref == 0); |
fde9bf44 PB |
672 | if (obj->free) { |
673 | obj->free(obj); | |
674 | } | |
2f28d2ff AL |
675 | } |
676 | ||
63f7b10b | 677 | static Object *object_new_with_type(Type type) |
2f28d2ff AL |
678 | { |
679 | Object *obj; | |
680 | ||
681 | g_assert(type != NULL); | |
ac451033 | 682 | type_initialize(type); |
2f28d2ff AL |
683 | |
684 | obj = g_malloc(type->instance_size); | |
5b9237f6 | 685 | object_initialize_with_type(obj, type->instance_size, type); |
fde9bf44 | 686 | obj->free = g_free; |
2f28d2ff AL |
687 | |
688 | return obj; | |
689 | } | |
690 | ||
3c75e12e PB |
691 | Object *object_new_with_class(ObjectClass *klass) |
692 | { | |
693 | return object_new_with_type(klass->type); | |
694 | } | |
695 | ||
2f28d2ff AL |
696 | Object *object_new(const char *typename) |
697 | { | |
698 | TypeImpl *ti = type_get_by_name(typename); | |
699 | ||
700 | return object_new_with_type(ti); | |
701 | } | |
702 | ||
a31bdae5 DB |
703 | |
704 | Object *object_new_with_props(const char *typename, | |
705 | Object *parent, | |
706 | const char *id, | |
707 | Error **errp, | |
708 | ...) | |
709 | { | |
710 | va_list vargs; | |
711 | Object *obj; | |
712 | ||
713 | va_start(vargs, errp); | |
714 | obj = object_new_with_propv(typename, parent, id, errp, vargs); | |
715 | va_end(vargs); | |
716 | ||
717 | return obj; | |
718 | } | |
719 | ||
720 | ||
721 | Object *object_new_with_propv(const char *typename, | |
722 | Object *parent, | |
723 | const char *id, | |
724 | Error **errp, | |
725 | va_list vargs) | |
726 | { | |
727 | Object *obj; | |
728 | ObjectClass *klass; | |
729 | Error *local_err = NULL; | |
3650b2de | 730 | UserCreatable *uc; |
a31bdae5 DB |
731 | |
732 | klass = object_class_by_name(typename); | |
733 | if (!klass) { | |
734 | error_setg(errp, "invalid object type: %s", typename); | |
735 | return NULL; | |
736 | } | |
737 | ||
738 | if (object_class_is_abstract(klass)) { | |
739 | error_setg(errp, "object type '%s' is abstract", typename); | |
740 | return NULL; | |
741 | } | |
66e1155a | 742 | obj = object_new_with_type(klass->type); |
a31bdae5 DB |
743 | |
744 | if (object_set_propv(obj, &local_err, vargs) < 0) { | |
745 | goto error; | |
746 | } | |
747 | ||
6134d752 DB |
748 | if (id != NULL) { |
749 | object_property_add_child(parent, id, obj, &local_err); | |
750 | if (local_err) { | |
751 | goto error; | |
752 | } | |
a31bdae5 DB |
753 | } |
754 | ||
3650b2de MAL |
755 | uc = (UserCreatable *)object_dynamic_cast(obj, TYPE_USER_CREATABLE); |
756 | if (uc) { | |
757 | user_creatable_complete(uc, &local_err); | |
a31bdae5 | 758 | if (local_err) { |
6134d752 DB |
759 | if (id != NULL) { |
760 | object_unparent(obj); | |
761 | } | |
a31bdae5 DB |
762 | goto error; |
763 | } | |
764 | } | |
765 | ||
766 | object_unref(OBJECT(obj)); | |
767 | return obj; | |
768 | ||
769 | error: | |
621ff94d | 770 | error_propagate(errp, local_err); |
a31bdae5 DB |
771 | object_unref(obj); |
772 | return NULL; | |
773 | } | |
774 | ||
775 | ||
776 | int object_set_props(Object *obj, | |
777 | Error **errp, | |
778 | ...) | |
779 | { | |
780 | va_list vargs; | |
781 | int ret; | |
782 | ||
783 | va_start(vargs, errp); | |
784 | ret = object_set_propv(obj, errp, vargs); | |
785 | va_end(vargs); | |
786 | ||
787 | return ret; | |
788 | } | |
789 | ||
790 | ||
791 | int object_set_propv(Object *obj, | |
792 | Error **errp, | |
793 | va_list vargs) | |
794 | { | |
795 | const char *propname; | |
796 | Error *local_err = NULL; | |
797 | ||
798 | propname = va_arg(vargs, char *); | |
799 | while (propname != NULL) { | |
800 | const char *value = va_arg(vargs, char *); | |
801 | ||
802 | g_assert(value != NULL); | |
803 | object_property_parse(obj, value, propname, &local_err); | |
804 | if (local_err) { | |
805 | error_propagate(errp, local_err); | |
806 | return -1; | |
807 | } | |
808 | propname = va_arg(vargs, char *); | |
809 | } | |
810 | ||
811 | return 0; | |
812 | } | |
813 | ||
814 | ||
2f28d2ff AL |
815 | Object *object_dynamic_cast(Object *obj, const char *typename) |
816 | { | |
b7f43fe4 | 817 | if (obj && object_class_dynamic_cast(object_get_class(obj), typename)) { |
acc4af3f PB |
818 | return obj; |
819 | } | |
820 | ||
2f28d2ff AL |
821 | return NULL; |
822 | } | |
823 | ||
be17f18b PB |
824 | Object *object_dynamic_cast_assert(Object *obj, const char *typename, |
825 | const char *file, int line, const char *func) | |
2f28d2ff | 826 | { |
fa131d94 PB |
827 | trace_object_dynamic_cast_assert(obj ? obj->class->type->name : "(null)", |
828 | typename, file, line, func); | |
829 | ||
3556c233 | 830 | #ifdef CONFIG_QOM_CAST_DEBUG |
03587328 AL |
831 | int i; |
832 | Object *inst; | |
833 | ||
95916abc | 834 | for (i = 0; obj && i < OBJECT_CLASS_CAST_CACHE; i++) { |
b6b3ccfd | 835 | if (atomic_read(&obj->class->object_cast_cache[i]) == typename) { |
03587328 AL |
836 | goto out; |
837 | } | |
838 | } | |
839 | ||
840 | inst = object_dynamic_cast(obj, typename); | |
2f28d2ff | 841 | |
b7f43fe4 | 842 | if (!inst && obj) { |
be17f18b PB |
843 | fprintf(stderr, "%s:%d:%s: Object %p is not an instance of type %s\n", |
844 | file, line, func, obj, typename); | |
2f28d2ff AL |
845 | abort(); |
846 | } | |
847 | ||
3556c233 | 848 | assert(obj == inst); |
03587328 | 849 | |
95916abc | 850 | if (obj && obj == inst) { |
03587328 | 851 | for (i = 1; i < OBJECT_CLASS_CAST_CACHE; i++) { |
b6b3ccfd AB |
852 | atomic_set(&obj->class->object_cast_cache[i - 1], |
853 | atomic_read(&obj->class->object_cast_cache[i])); | |
03587328 | 854 | } |
b6b3ccfd | 855 | atomic_set(&obj->class->object_cast_cache[i - 1], typename); |
03587328 AL |
856 | } |
857 | ||
858 | out: | |
3556c233 PB |
859 | #endif |
860 | return obj; | |
2f28d2ff AL |
861 | } |
862 | ||
863 | ObjectClass *object_class_dynamic_cast(ObjectClass *class, | |
864 | const char *typename) | |
865 | { | |
33e95c63 | 866 | ObjectClass *ret = NULL; |
bf0fda34 PB |
867 | TypeImpl *target_type; |
868 | TypeImpl *type; | |
2f28d2ff | 869 | |
bf0fda34 PB |
870 | if (!class) { |
871 | return NULL; | |
872 | } | |
873 | ||
793c96b5 | 874 | /* A simple fast path that can trigger a lot for leaf classes. */ |
bf0fda34 | 875 | type = class->type; |
793c96b5 PB |
876 | if (type->name == typename) { |
877 | return class; | |
878 | } | |
879 | ||
bf0fda34 | 880 | target_type = type_get_by_name(typename); |
9ab880b3 AG |
881 | if (!target_type) { |
882 | /* target class type unknown, so fail the cast */ | |
883 | return NULL; | |
884 | } | |
885 | ||
00e2ceae PC |
886 | if (type->class->interfaces && |
887 | type_is_ancestor(target_type, type_interface)) { | |
33e95c63 AL |
888 | int found = 0; |
889 | GSList *i; | |
2f28d2ff | 890 | |
33e95c63 AL |
891 | for (i = class->interfaces; i; i = i->next) { |
892 | ObjectClass *target_class = i->data; | |
893 | ||
894 | if (type_is_ancestor(target_class->type, target_type)) { | |
895 | ret = target_class; | |
896 | found++; | |
897 | } | |
898 | } | |
899 | ||
900 | /* The match was ambiguous, don't allow a cast */ | |
901 | if (found > 1) { | |
902 | ret = NULL; | |
903 | } | |
904 | } else if (type_is_ancestor(type, target_type)) { | |
905 | ret = class; | |
2f28d2ff AL |
906 | } |
907 | ||
33e95c63 | 908 | return ret; |
2f28d2ff AL |
909 | } |
910 | ||
911 | ObjectClass *object_class_dynamic_cast_assert(ObjectClass *class, | |
be17f18b PB |
912 | const char *typename, |
913 | const char *file, int line, | |
914 | const char *func) | |
2f28d2ff | 915 | { |
fa131d94 PB |
916 | ObjectClass *ret; |
917 | ||
918 | trace_object_class_dynamic_cast_assert(class ? class->type->name : "(null)", | |
919 | typename, file, line, func); | |
2f28d2ff | 920 | |
03587328 AL |
921 | #ifdef CONFIG_QOM_CAST_DEBUG |
922 | int i; | |
923 | ||
9d6a3d58 | 924 | for (i = 0; class && i < OBJECT_CLASS_CAST_CACHE; i++) { |
b6b3ccfd | 925 | if (atomic_read(&class->class_cast_cache[i]) == typename) { |
03587328 AL |
926 | ret = class; |
927 | goto out; | |
928 | } | |
929 | } | |
930 | #else | |
9d6a3d58 | 931 | if (!class || !class->interfaces) { |
3556c233 PB |
932 | return class; |
933 | } | |
934 | #endif | |
935 | ||
fa131d94 | 936 | ret = object_class_dynamic_cast(class, typename); |
bf0fda34 | 937 | if (!ret && class) { |
be17f18b PB |
938 | fprintf(stderr, "%s:%d:%s: Object %p is not an instance of type %s\n", |
939 | file, line, func, class, typename); | |
2f28d2ff AL |
940 | abort(); |
941 | } | |
942 | ||
03587328 | 943 | #ifdef CONFIG_QOM_CAST_DEBUG |
9d6a3d58 | 944 | if (class && ret == class) { |
03587328 | 945 | for (i = 1; i < OBJECT_CLASS_CAST_CACHE; i++) { |
b6b3ccfd AB |
946 | atomic_set(&class->class_cast_cache[i - 1], |
947 | atomic_read(&class->class_cast_cache[i])); | |
03587328 | 948 | } |
b6b3ccfd | 949 | atomic_set(&class->class_cast_cache[i - 1], typename); |
03587328 AL |
950 | } |
951 | out: | |
952 | #endif | |
2f28d2ff AL |
953 | return ret; |
954 | } | |
955 | ||
8f5d58ef | 956 | const char *object_get_typename(const Object *obj) |
2f28d2ff AL |
957 | { |
958 | return obj->class->type->name; | |
959 | } | |
960 | ||
961 | ObjectClass *object_get_class(Object *obj) | |
962 | { | |
963 | return obj->class; | |
964 | } | |
965 | ||
17862378 AF |
966 | bool object_class_is_abstract(ObjectClass *klass) |
967 | { | |
968 | return klass->type->abstract; | |
969 | } | |
970 | ||
2f28d2ff AL |
971 | const char *object_class_get_name(ObjectClass *klass) |
972 | { | |
973 | return klass->type->name; | |
974 | } | |
975 | ||
976 | ObjectClass *object_class_by_name(const char *typename) | |
977 | { | |
978 | TypeImpl *type = type_get_by_name(typename); | |
979 | ||
980 | if (!type) { | |
981 | return NULL; | |
982 | } | |
983 | ||
ac451033 | 984 | type_initialize(type); |
2f28d2ff AL |
985 | |
986 | return type->class; | |
987 | } | |
988 | ||
e7cce67f PB |
989 | ObjectClass *object_class_get_parent(ObjectClass *class) |
990 | { | |
991 | TypeImpl *type = type_get_parent(class->type); | |
992 | ||
993 | if (!type) { | |
994 | return NULL; | |
995 | } | |
996 | ||
997 | type_initialize(type); | |
998 | ||
999 | return type->class; | |
1000 | } | |
1001 | ||
2f28d2ff AL |
1002 | typedef struct OCFData |
1003 | { | |
1004 | void (*fn)(ObjectClass *klass, void *opaque); | |
93c511a1 AL |
1005 | const char *implements_type; |
1006 | bool include_abstract; | |
2f28d2ff AL |
1007 | void *opaque; |
1008 | } OCFData; | |
1009 | ||
1010 | static void object_class_foreach_tramp(gpointer key, gpointer value, | |
1011 | gpointer opaque) | |
1012 | { | |
1013 | OCFData *data = opaque; | |
1014 | TypeImpl *type = value; | |
93c511a1 | 1015 | ObjectClass *k; |
2f28d2ff | 1016 | |
ac451033 | 1017 | type_initialize(type); |
93c511a1 | 1018 | k = type->class; |
2f28d2ff | 1019 | |
93c511a1 AL |
1020 | if (!data->include_abstract && type->abstract) { |
1021 | return; | |
1022 | } | |
1023 | ||
1024 | if (data->implements_type && | |
1025 | !object_class_dynamic_cast(k, data->implements_type)) { | |
1026 | return; | |
1027 | } | |
1028 | ||
1029 | data->fn(k, data->opaque); | |
2f28d2ff AL |
1030 | } |
1031 | ||
1032 | void object_class_foreach(void (*fn)(ObjectClass *klass, void *opaque), | |
93c511a1 | 1033 | const char *implements_type, bool include_abstract, |
2f28d2ff AL |
1034 | void *opaque) |
1035 | { | |
93c511a1 | 1036 | OCFData data = { fn, implements_type, include_abstract, opaque }; |
2f28d2ff | 1037 | |
f54c19ca | 1038 | enumerating_types = true; |
2f28d2ff | 1039 | g_hash_table_foreach(type_table_get(), object_class_foreach_tramp, &data); |
f54c19ca | 1040 | enumerating_types = false; |
2f28d2ff | 1041 | } |
57c9fafe | 1042 | |
d714b8de PC |
1043 | static int do_object_child_foreach(Object *obj, |
1044 | int (*fn)(Object *child, void *opaque), | |
1045 | void *opaque, bool recurse) | |
32efc535 | 1046 | { |
b604a854 PF |
1047 | GHashTableIter iter; |
1048 | ObjectProperty *prop; | |
32efc535 PB |
1049 | int ret = 0; |
1050 | ||
b604a854 PF |
1051 | g_hash_table_iter_init(&iter, obj->properties); |
1052 | while (g_hash_table_iter_next(&iter, NULL, (gpointer *)&prop)) { | |
32efc535 | 1053 | if (object_property_is_child(prop)) { |
d714b8de PC |
1054 | Object *child = prop->opaque; |
1055 | ||
1056 | ret = fn(child, opaque); | |
32efc535 PB |
1057 | if (ret != 0) { |
1058 | break; | |
1059 | } | |
d714b8de PC |
1060 | if (recurse) { |
1061 | do_object_child_foreach(child, fn, opaque, true); | |
1062 | } | |
32efc535 PB |
1063 | } |
1064 | } | |
1065 | return ret; | |
1066 | } | |
1067 | ||
d714b8de PC |
1068 | int object_child_foreach(Object *obj, int (*fn)(Object *child, void *opaque), |
1069 | void *opaque) | |
1070 | { | |
1071 | return do_object_child_foreach(obj, fn, opaque, false); | |
1072 | } | |
1073 | ||
1074 | int object_child_foreach_recursive(Object *obj, | |
1075 | int (*fn)(Object *child, void *opaque), | |
1076 | void *opaque) | |
1077 | { | |
1078 | return do_object_child_foreach(obj, fn, opaque, true); | |
1079 | } | |
1080 | ||
418ba9e5 AF |
1081 | static void object_class_get_list_tramp(ObjectClass *klass, void *opaque) |
1082 | { | |
1083 | GSList **list = opaque; | |
1084 | ||
1085 | *list = g_slist_prepend(*list, klass); | |
1086 | } | |
1087 | ||
1088 | GSList *object_class_get_list(const char *implements_type, | |
1089 | bool include_abstract) | |
1090 | { | |
1091 | GSList *list = NULL; | |
1092 | ||
1093 | object_class_foreach(object_class_get_list_tramp, | |
1094 | implements_type, include_abstract, &list); | |
1095 | return list; | |
1096 | } | |
1097 | ||
47c66009 PB |
1098 | static gint object_class_cmp(gconstpointer a, gconstpointer b) |
1099 | { | |
1100 | return strcasecmp(object_class_get_name((ObjectClass *)a), | |
1101 | object_class_get_name((ObjectClass *)b)); | |
1102 | } | |
1103 | ||
1104 | GSList *object_class_get_list_sorted(const char *implements_type, | |
1105 | bool include_abstract) | |
1106 | { | |
1107 | return g_slist_sort(object_class_get_list(implements_type, include_abstract), | |
1108 | object_class_cmp); | |
1109 | } | |
1110 | ||
57c9fafe AL |
1111 | void object_ref(Object *obj) |
1112 | { | |
8ffad850 PC |
1113 | if (!obj) { |
1114 | return; | |
1115 | } | |
8438a135 | 1116 | atomic_inc(&obj->ref); |
57c9fafe AL |
1117 | } |
1118 | ||
1119 | void object_unref(Object *obj) | |
1120 | { | |
8ffad850 PC |
1121 | if (!obj) { |
1122 | return; | |
1123 | } | |
719a3077 | 1124 | g_assert(obj->ref > 0); |
57c9fafe AL |
1125 | |
1126 | /* parent always holds a reference to its children */ | |
f08c03f3 | 1127 | if (atomic_fetch_dec(&obj->ref) == 1) { |
57c9fafe AL |
1128 | object_finalize(obj); |
1129 | } | |
1130 | } | |
1131 | ||
64607d08 PB |
1132 | ObjectProperty * |
1133 | object_property_add(Object *obj, const char *name, const char *type, | |
1134 | ObjectPropertyAccessor *get, | |
1135 | ObjectPropertyAccessor *set, | |
1136 | ObjectPropertyRelease *release, | |
1137 | void *opaque, Error **errp) | |
57c9fafe | 1138 | { |
54852b03 | 1139 | ObjectProperty *prop; |
33965904 PC |
1140 | size_t name_len = strlen(name); |
1141 | ||
1142 | if (name_len >= 3 && !memcmp(name + name_len - 3, "[*]", 4)) { | |
1143 | int i; | |
1144 | ObjectProperty *ret; | |
1145 | char *name_no_array = g_strdup(name); | |
1146 | ||
1147 | name_no_array[name_len - 3] = '\0'; | |
1148 | for (i = 0; ; ++i) { | |
1149 | char *full_name = g_strdup_printf("%s[%d]", name_no_array, i); | |
1150 | ||
1151 | ret = object_property_add(obj, full_name, type, get, set, | |
1152 | release, opaque, NULL); | |
1153 | g_free(full_name); | |
1154 | if (ret) { | |
1155 | break; | |
1156 | } | |
1157 | } | |
1158 | g_free(name_no_array); | |
1159 | return ret; | |
1160 | } | |
54852b03 | 1161 | |
16bf7f52 | 1162 | if (object_property_find(obj, name, NULL) != NULL) { |
d55e937d GK |
1163 | error_setg(errp, "attempt to add duplicate property '%s' to object (type '%s')", |
1164 | name, object_get_typename(obj)); | |
b604a854 | 1165 | return NULL; |
54852b03 PM |
1166 | } |
1167 | ||
1168 | prop = g_malloc0(sizeof(*prop)); | |
57c9fafe AL |
1169 | |
1170 | prop->name = g_strdup(name); | |
1171 | prop->type = g_strdup(type); | |
1172 | ||
1173 | prop->get = get; | |
1174 | prop->set = set; | |
1175 | prop->release = release; | |
1176 | prop->opaque = opaque; | |
1177 | ||
b604a854 | 1178 | g_hash_table_insert(obj->properties, prop->name, prop); |
64607d08 | 1179 | return prop; |
57c9fafe AL |
1180 | } |
1181 | ||
16bf7f52 DB |
1182 | ObjectProperty * |
1183 | object_class_property_add(ObjectClass *klass, | |
1184 | const char *name, | |
1185 | const char *type, | |
1186 | ObjectPropertyAccessor *get, | |
1187 | ObjectPropertyAccessor *set, | |
1188 | ObjectPropertyRelease *release, | |
1189 | void *opaque, | |
1190 | Error **errp) | |
1191 | { | |
1192 | ObjectProperty *prop; | |
1193 | ||
1194 | if (object_class_property_find(klass, name, NULL) != NULL) { | |
d55e937d GK |
1195 | error_setg(errp, "attempt to add duplicate property '%s' to class (type '%s')", |
1196 | name, object_class_get_name(klass)); | |
16bf7f52 DB |
1197 | return NULL; |
1198 | } | |
1199 | ||
1200 | prop = g_malloc0(sizeof(*prop)); | |
1201 | ||
1202 | prop->name = g_strdup(name); | |
1203 | prop->type = g_strdup(type); | |
1204 | ||
1205 | prop->get = get; | |
1206 | prop->set = set; | |
1207 | prop->release = release; | |
1208 | prop->opaque = opaque; | |
1209 | ||
ba806ffb | 1210 | g_hash_table_insert(klass->properties, prop->name, prop); |
16bf7f52 DB |
1211 | |
1212 | return prop; | |
1213 | } | |
1214 | ||
89bfe000 PB |
1215 | ObjectProperty *object_property_find(Object *obj, const char *name, |
1216 | Error **errp) | |
57c9fafe AL |
1217 | { |
1218 | ObjectProperty *prop; | |
16bf7f52 DB |
1219 | ObjectClass *klass = object_get_class(obj); |
1220 | ||
1221 | prop = object_class_property_find(klass, name, NULL); | |
1222 | if (prop) { | |
1223 | return prop; | |
1224 | } | |
57c9fafe | 1225 | |
b604a854 PF |
1226 | prop = g_hash_table_lookup(obj->properties, name); |
1227 | if (prop) { | |
1228 | return prop; | |
57c9fafe AL |
1229 | } |
1230 | ||
f231b88d | 1231 | error_setg(errp, "Property '.%s' not found", name); |
57c9fafe AL |
1232 | return NULL; |
1233 | } | |
1234 | ||
7746abd8 DB |
1235 | void object_property_iter_init(ObjectPropertyIterator *iter, |
1236 | Object *obj) | |
a00c9482 | 1237 | { |
7746abd8 DB |
1238 | g_hash_table_iter_init(&iter->iter, obj->properties); |
1239 | iter->nextclass = object_get_class(obj); | |
a00c9482 DB |
1240 | } |
1241 | ||
1242 | ObjectProperty *object_property_iter_next(ObjectPropertyIterator *iter) | |
1243 | { | |
b604a854 | 1244 | gpointer key, val; |
16bf7f52 DB |
1245 | while (!g_hash_table_iter_next(&iter->iter, &key, &val)) { |
1246 | if (!iter->nextclass) { | |
1247 | return NULL; | |
1248 | } | |
1249 | g_hash_table_iter_init(&iter->iter, iter->nextclass->properties); | |
1250 | iter->nextclass = object_class_get_parent(iter->nextclass); | |
a00c9482 | 1251 | } |
b604a854 | 1252 | return val; |
a00c9482 DB |
1253 | } |
1254 | ||
961c47bb AK |
1255 | void object_class_property_iter_init(ObjectPropertyIterator *iter, |
1256 | ObjectClass *klass) | |
1257 | { | |
1258 | g_hash_table_iter_init(&iter->iter, klass->properties); | |
684546d8 | 1259 | iter->nextclass = object_class_get_parent(klass); |
961c47bb AK |
1260 | } |
1261 | ||
16bf7f52 DB |
1262 | ObjectProperty *object_class_property_find(ObjectClass *klass, const char *name, |
1263 | Error **errp) | |
1264 | { | |
1265 | ObjectProperty *prop; | |
1266 | ObjectClass *parent_klass; | |
1267 | ||
1268 | parent_klass = object_class_get_parent(klass); | |
1269 | if (parent_klass) { | |
1270 | prop = object_class_property_find(parent_klass, name, NULL); | |
1271 | if (prop) { | |
1272 | return prop; | |
1273 | } | |
1274 | } | |
1275 | ||
1276 | prop = g_hash_table_lookup(klass->properties, name); | |
1277 | if (!prop) { | |
1278 | error_setg(errp, "Property '.%s' not found", name); | |
1279 | } | |
1280 | return prop; | |
1281 | } | |
1282 | ||
57c9fafe AL |
1283 | void object_property_del(Object *obj, const char *name, Error **errp) |
1284 | { | |
b604a854 PF |
1285 | ObjectProperty *prop = g_hash_table_lookup(obj->properties, name); |
1286 | ||
1287 | if (!prop) { | |
1288 | error_setg(errp, "Property '.%s' not found", name); | |
0866aca1 AL |
1289 | return; |
1290 | } | |
57c9fafe | 1291 | |
0866aca1 AL |
1292 | if (prop->release) { |
1293 | prop->release(obj, name, prop->opaque); | |
1294 | } | |
b604a854 | 1295 | g_hash_table_remove(obj->properties, name); |
57c9fafe AL |
1296 | } |
1297 | ||
1298 | void object_property_get(Object *obj, Visitor *v, const char *name, | |
1299 | Error **errp) | |
1300 | { | |
89bfe000 | 1301 | ObjectProperty *prop = object_property_find(obj, name, errp); |
57c9fafe | 1302 | if (prop == NULL) { |
57c9fafe AL |
1303 | return; |
1304 | } | |
1305 | ||
1306 | if (!prop->get) { | |
c6bd8c70 | 1307 | error_setg(errp, QERR_PERMISSION_DENIED); |
57c9fafe | 1308 | } else { |
d7bce999 | 1309 | prop->get(obj, v, name, prop->opaque, errp); |
57c9fafe AL |
1310 | } |
1311 | } | |
1312 | ||
1313 | void object_property_set(Object *obj, Visitor *v, const char *name, | |
1314 | Error **errp) | |
1315 | { | |
89bfe000 | 1316 | ObjectProperty *prop = object_property_find(obj, name, errp); |
57c9fafe | 1317 | if (prop == NULL) { |
57c9fafe AL |
1318 | return; |
1319 | } | |
1320 | ||
1321 | if (!prop->set) { | |
c6bd8c70 | 1322 | error_setg(errp, QERR_PERMISSION_DENIED); |
57c9fafe | 1323 | } else { |
d7bce999 | 1324 | prop->set(obj, v, name, prop->opaque, errp); |
57c9fafe AL |
1325 | } |
1326 | } | |
1327 | ||
7b7b7d18 PB |
1328 | void object_property_set_str(Object *obj, const char *value, |
1329 | const char *name, Error **errp) | |
1330 | { | |
1331 | QString *qstr = qstring_from_str(value); | |
1332 | object_property_set_qobject(obj, QOBJECT(qstr), name, errp); | |
1333 | ||
cb3e7f08 | 1334 | qobject_unref(qstr); |
7b7b7d18 PB |
1335 | } |
1336 | ||
1337 | char *object_property_get_str(Object *obj, const char *name, | |
1338 | Error **errp) | |
1339 | { | |
1340 | QObject *ret = object_property_get_qobject(obj, name, errp); | |
7b7b7d18 PB |
1341 | char *retval; |
1342 | ||
1343 | if (!ret) { | |
1344 | return NULL; | |
1345 | } | |
aafb21a0 PX |
1346 | |
1347 | retval = g_strdup(qobject_get_try_str(ret)); | |
1348 | if (!retval) { | |
c6bd8c70 | 1349 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name, "string"); |
7b7b7d18 PB |
1350 | } |
1351 | ||
cb3e7f08 | 1352 | qobject_unref(ret); |
7b7b7d18 PB |
1353 | return retval; |
1354 | } | |
1355 | ||
1d9c5a12 PB |
1356 | void object_property_set_link(Object *obj, Object *value, |
1357 | const char *name, Error **errp) | |
1358 | { | |
d3c49316 PC |
1359 | if (value) { |
1360 | gchar *path = object_get_canonical_path(value); | |
1361 | object_property_set_str(obj, path, name, errp); | |
1362 | g_free(path); | |
1363 | } else { | |
1364 | object_property_set_str(obj, "", name, errp); | |
1365 | } | |
1d9c5a12 PB |
1366 | } |
1367 | ||
1368 | Object *object_property_get_link(Object *obj, const char *name, | |
1369 | Error **errp) | |
1370 | { | |
1371 | char *str = object_property_get_str(obj, name, errp); | |
1372 | Object *target = NULL; | |
1373 | ||
1374 | if (str && *str) { | |
1375 | target = object_resolve_path(str, NULL); | |
1376 | if (!target) { | |
75158ebb MA |
1377 | error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND, |
1378 | "Device '%s' not found", str); | |
1d9c5a12 PB |
1379 | } |
1380 | } | |
1381 | ||
1382 | g_free(str); | |
1383 | return target; | |
1384 | } | |
1385 | ||
7b7b7d18 PB |
1386 | void object_property_set_bool(Object *obj, bool value, |
1387 | const char *name, Error **errp) | |
1388 | { | |
fc48ffc3 | 1389 | QBool *qbool = qbool_from_bool(value); |
7b7b7d18 PB |
1390 | object_property_set_qobject(obj, QOBJECT(qbool), name, errp); |
1391 | ||
cb3e7f08 | 1392 | qobject_unref(qbool); |
7b7b7d18 PB |
1393 | } |
1394 | ||
1395 | bool object_property_get_bool(Object *obj, const char *name, | |
1396 | Error **errp) | |
1397 | { | |
1398 | QObject *ret = object_property_get_qobject(obj, name, errp); | |
1399 | QBool *qbool; | |
1400 | bool retval; | |
1401 | ||
1402 | if (!ret) { | |
1403 | return false; | |
1404 | } | |
7dc847eb | 1405 | qbool = qobject_to(QBool, ret); |
7b7b7d18 | 1406 | if (!qbool) { |
c6bd8c70 | 1407 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name, "boolean"); |
7b7b7d18 PB |
1408 | retval = false; |
1409 | } else { | |
fc48ffc3 | 1410 | retval = qbool_get_bool(qbool); |
7b7b7d18 PB |
1411 | } |
1412 | ||
cb3e7f08 | 1413 | qobject_unref(ret); |
7b7b7d18 PB |
1414 | return retval; |
1415 | } | |
1416 | ||
1417 | void object_property_set_int(Object *obj, int64_t value, | |
1418 | const char *name, Error **errp) | |
1419 | { | |
01b2ffce MAL |
1420 | QNum *qnum = qnum_from_int(value); |
1421 | object_property_set_qobject(obj, QOBJECT(qnum), name, errp); | |
7b7b7d18 | 1422 | |
cb3e7f08 | 1423 | qobject_unref(qnum); |
7b7b7d18 PB |
1424 | } |
1425 | ||
1426 | int64_t object_property_get_int(Object *obj, const char *name, | |
1427 | Error **errp) | |
1428 | { | |
1429 | QObject *ret = object_property_get_qobject(obj, name, errp); | |
01b2ffce | 1430 | QNum *qnum; |
7b7b7d18 PB |
1431 | int64_t retval; |
1432 | ||
1433 | if (!ret) { | |
1434 | return -1; | |
1435 | } | |
01b2ffce | 1436 | |
7dc847eb | 1437 | qnum = qobject_to(QNum, ret); |
01b2ffce | 1438 | if (!qnum || !qnum_get_try_int(qnum, &retval)) { |
c6bd8c70 | 1439 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name, "int"); |
7b7b7d18 | 1440 | retval = -1; |
7b7b7d18 PB |
1441 | } |
1442 | ||
cb3e7f08 | 1443 | qobject_unref(ret); |
7b7b7d18 | 1444 | return retval; |
b2cd7dee PB |
1445 | } |
1446 | ||
0e76ed0a MAL |
1447 | static void object_property_init_defval(Object *obj, ObjectProperty *prop) |
1448 | { | |
1449 | Visitor *v = qobject_input_visitor_new(prop->defval); | |
1450 | ||
1451 | assert(prop->set != NULL); | |
1452 | prop->set(obj, v, prop->name, prop->opaque, &error_abort); | |
1453 | ||
1454 | visit_free(v); | |
1455 | } | |
1456 | ||
1457 | static void object_property_set_default(ObjectProperty *prop, QObject *defval) | |
1458 | { | |
1459 | assert(!prop->defval); | |
1460 | assert(!prop->init); | |
1461 | ||
1462 | prop->defval = defval; | |
1463 | prop->init = object_property_init_defval; | |
1464 | } | |
1465 | ||
1466 | void object_property_set_default_bool(ObjectProperty *prop, bool value) | |
1467 | { | |
1468 | object_property_set_default(prop, QOBJECT(qbool_from_bool(value))); | |
1469 | } | |
1470 | ||
1471 | void object_property_set_default_str(ObjectProperty *prop, const char *value) | |
1472 | { | |
1473 | object_property_set_default(prop, QOBJECT(qstring_from_str(value))); | |
1474 | } | |
1475 | ||
1476 | void object_property_set_default_int(ObjectProperty *prop, int64_t value) | |
1477 | { | |
1478 | object_property_set_default(prop, QOBJECT(qnum_from_int(value))); | |
1479 | } | |
1480 | ||
1481 | void object_property_set_default_uint(ObjectProperty *prop, uint64_t value) | |
1482 | { | |
1483 | object_property_set_default(prop, QOBJECT(qnum_from_uint(value))); | |
1484 | } | |
1485 | ||
3152779c MAL |
1486 | void object_property_set_uint(Object *obj, uint64_t value, |
1487 | const char *name, Error **errp) | |
1488 | { | |
1489 | QNum *qnum = qnum_from_uint(value); | |
1490 | ||
1491 | object_property_set_qobject(obj, QOBJECT(qnum), name, errp); | |
cb3e7f08 | 1492 | qobject_unref(qnum); |
3152779c MAL |
1493 | } |
1494 | ||
1495 | uint64_t object_property_get_uint(Object *obj, const char *name, | |
1496 | Error **errp) | |
1497 | { | |
1498 | QObject *ret = object_property_get_qobject(obj, name, errp); | |
1499 | QNum *qnum; | |
1500 | uint64_t retval; | |
1501 | ||
1502 | if (!ret) { | |
1503 | return 0; | |
1504 | } | |
7dc847eb | 1505 | qnum = qobject_to(QNum, ret); |
3152779c MAL |
1506 | if (!qnum || !qnum_get_try_uint(qnum, &retval)) { |
1507 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name, "uint"); | |
1508 | retval = 0; | |
1509 | } | |
1510 | ||
cb3e7f08 | 1511 | qobject_unref(ret); |
3152779c MAL |
1512 | return retval; |
1513 | } | |
1514 | ||
a8e3fbed | 1515 | typedef struct EnumProperty { |
f7abe0ec | 1516 | const QEnumLookup *lookup; |
a8e3fbed DB |
1517 | int (*get)(Object *, Error **); |
1518 | void (*set)(Object *, int, Error **); | |
1519 | } EnumProperty; | |
1520 | ||
1f21772d | 1521 | int object_property_get_enum(Object *obj, const char *name, |
a3590dac | 1522 | const char *typename, Error **errp) |
1f21772d | 1523 | { |
4715d42e | 1524 | Error *err = NULL; |
7a0525c7 | 1525 | Visitor *v; |
976620ac | 1526 | char *str; |
1f21772d | 1527 | int ret; |
a3590dac DB |
1528 | ObjectProperty *prop = object_property_find(obj, name, errp); |
1529 | EnumProperty *enumprop; | |
1530 | ||
1531 | if (prop == NULL) { | |
1532 | return 0; | |
1533 | } | |
1534 | ||
1535 | if (!g_str_equal(prop->type, typename)) { | |
1536 | error_setg(errp, "Property %s on %s is not '%s' enum type", | |
1537 | name, object_class_get_name( | |
1538 | object_get_class(obj)), typename); | |
1539 | return 0; | |
1540 | } | |
1541 | ||
1542 | enumprop = prop->opaque; | |
1f21772d | 1543 | |
3b098d56 | 1544 | v = string_output_visitor_new(false, &str); |
e7ca5656 | 1545 | object_property_get(obj, v, name, &err); |
4715d42e MA |
1546 | if (err) { |
1547 | error_propagate(errp, err); | |
e7ca5656 | 1548 | visit_free(v); |
4715d42e MA |
1549 | return 0; |
1550 | } | |
3b098d56 | 1551 | visit_complete(v, &str); |
e7ca5656 | 1552 | visit_free(v); |
7a0525c7 | 1553 | v = string_input_visitor_new(str); |
f7abe0ec | 1554 | visit_type_enum(v, name, &ret, enumprop->lookup, errp); |
976620ac CF |
1555 | |
1556 | g_free(str); | |
7a0525c7 | 1557 | visit_free(v); |
1f21772d HT |
1558 | |
1559 | return ret; | |
1560 | } | |
1561 | ||
1562 | void object_property_get_uint16List(Object *obj, const char *name, | |
1563 | uint16List **list, Error **errp) | |
1564 | { | |
4715d42e | 1565 | Error *err = NULL; |
7a0525c7 | 1566 | Visitor *v; |
976620ac | 1567 | char *str; |
1f21772d | 1568 | |
3b098d56 EB |
1569 | v = string_output_visitor_new(false, &str); |
1570 | object_property_get(obj, v, name, &err); | |
4715d42e MA |
1571 | if (err) { |
1572 | error_propagate(errp, err); | |
1573 | goto out; | |
1574 | } | |
3b098d56 EB |
1575 | visit_complete(v, &str); |
1576 | visit_free(v); | |
7a0525c7 EB |
1577 | v = string_input_visitor_new(str); |
1578 | visit_type_uint16List(v, NULL, list, errp); | |
976620ac CF |
1579 | |
1580 | g_free(str); | |
4715d42e | 1581 | out: |
3b098d56 | 1582 | visit_free(v); |
1f21772d HT |
1583 | } |
1584 | ||
b2cd7dee PB |
1585 | void object_property_parse(Object *obj, const char *string, |
1586 | const char *name, Error **errp) | |
1587 | { | |
7a0525c7 EB |
1588 | Visitor *v = string_input_visitor_new(string); |
1589 | object_property_set(obj, v, name, errp); | |
1590 | visit_free(v); | |
b2cd7dee PB |
1591 | } |
1592 | ||
0b7593e0 | 1593 | char *object_property_print(Object *obj, const char *name, bool human, |
b2cd7dee PB |
1594 | Error **errp) |
1595 | { | |
3b098d56 | 1596 | Visitor *v; |
3a53009f GA |
1597 | char *string = NULL; |
1598 | Error *local_err = NULL; | |
b2cd7dee | 1599 | |
3b098d56 EB |
1600 | v = string_output_visitor_new(human, &string); |
1601 | object_property_get(obj, v, name, &local_err); | |
3a53009f GA |
1602 | if (local_err) { |
1603 | error_propagate(errp, local_err); | |
1604 | goto out; | |
1605 | } | |
1606 | ||
3b098d56 | 1607 | visit_complete(v, &string); |
3a53009f GA |
1608 | |
1609 | out: | |
3b098d56 | 1610 | visit_free(v); |
b2cd7dee | 1611 | return string; |
7b7b7d18 PB |
1612 | } |
1613 | ||
57c9fafe AL |
1614 | const char *object_property_get_type(Object *obj, const char *name, Error **errp) |
1615 | { | |
89bfe000 | 1616 | ObjectProperty *prop = object_property_find(obj, name, errp); |
57c9fafe | 1617 | if (prop == NULL) { |
57c9fafe AL |
1618 | return NULL; |
1619 | } | |
1620 | ||
1621 | return prop->type; | |
1622 | } | |
1623 | ||
1624 | Object *object_get_root(void) | |
1625 | { | |
8b45d447 | 1626 | static Object *root; |
57c9fafe | 1627 | |
8b45d447 AL |
1628 | if (!root) { |
1629 | root = object_new("container"); | |
57c9fafe AL |
1630 | } |
1631 | ||
8b45d447 | 1632 | return root; |
57c9fafe AL |
1633 | } |
1634 | ||
bc2256c4 DB |
1635 | Object *object_get_objects_root(void) |
1636 | { | |
1637 | return container_get(object_get_root(), "/objects"); | |
1638 | } | |
1639 | ||
7c47c4ea PX |
1640 | Object *object_get_internal_root(void) |
1641 | { | |
1642 | static Object *internal_root; | |
1643 | ||
1644 | if (!internal_root) { | |
1645 | internal_root = object_new("container"); | |
1646 | } | |
1647 | ||
1648 | return internal_root; | |
1649 | } | |
1650 | ||
d7bce999 EB |
1651 | static void object_get_child_property(Object *obj, Visitor *v, |
1652 | const char *name, void *opaque, | |
1653 | Error **errp) | |
57c9fafe AL |
1654 | { |
1655 | Object *child = opaque; | |
1656 | gchar *path; | |
1657 | ||
1658 | path = object_get_canonical_path(child); | |
51e72bc1 | 1659 | visit_type_str(v, name, &path, errp); |
57c9fafe AL |
1660 | g_free(path); |
1661 | } | |
1662 | ||
64607d08 PB |
1663 | static Object *object_resolve_child_property(Object *parent, void *opaque, const gchar *part) |
1664 | { | |
1665 | return opaque; | |
1666 | } | |
1667 | ||
db85b575 AL |
1668 | static void object_finalize_child_property(Object *obj, const char *name, |
1669 | void *opaque) | |
1670 | { | |
1671 | Object *child = opaque; | |
1672 | ||
bffc687d PB |
1673 | if (child->class->unparent) { |
1674 | (child->class->unparent)(child); | |
1675 | } | |
1676 | child->parent = NULL; | |
db85b575 AL |
1677 | object_unref(child); |
1678 | } | |
1679 | ||
57c9fafe AL |
1680 | void object_property_add_child(Object *obj, const char *name, |
1681 | Object *child, Error **errp) | |
1682 | { | |
b0ed5e9f | 1683 | Error *local_err = NULL; |
57c9fafe | 1684 | gchar *type; |
64607d08 | 1685 | ObjectProperty *op; |
57c9fafe | 1686 | |
8faa2f85 PC |
1687 | if (child->parent != NULL) { |
1688 | error_setg(errp, "child object is already parented"); | |
1689 | return; | |
1690 | } | |
1691 | ||
57c9fafe AL |
1692 | type = g_strdup_printf("child<%s>", object_get_typename(OBJECT(child))); |
1693 | ||
64607d08 PB |
1694 | op = object_property_add(obj, name, type, object_get_child_property, NULL, |
1695 | object_finalize_child_property, child, &local_err); | |
b0ed5e9f PB |
1696 | if (local_err) { |
1697 | error_propagate(errp, local_err); | |
1698 | goto out; | |
1699 | } | |
64607d08 PB |
1700 | |
1701 | op->resolve = object_resolve_child_property; | |
57c9fafe | 1702 | object_ref(child); |
57c9fafe AL |
1703 | child->parent = obj; |
1704 | ||
b0ed5e9f | 1705 | out: |
57c9fafe AL |
1706 | g_free(type); |
1707 | } | |
1708 | ||
8f5d58ef | 1709 | void object_property_allow_set_link(const Object *obj, const char *name, |
39f72ef9 SH |
1710 | Object *val, Error **errp) |
1711 | { | |
1712 | /* Allow the link to be set, always */ | |
1713 | } | |
1714 | ||
9561fda8 | 1715 | typedef struct { |
9941d37b MAL |
1716 | union { |
1717 | Object **targetp; | |
1718 | Object *target; /* if OBJ_PROP_LINK_DIRECT, when holding the pointer */ | |
1719 | }; | |
8f5d58ef | 1720 | void (*check)(const Object *, const char *, Object *, Error **); |
9561fda8 SH |
1721 | ObjectPropertyLinkFlags flags; |
1722 | } LinkProperty; | |
1723 | ||
9941d37b MAL |
1724 | static Object ** |
1725 | object_link_get_targetp(Object *obj, LinkProperty *lprop) | |
1726 | { | |
1727 | if (lprop->flags & OBJ_PROP_LINK_DIRECT) { | |
1728 | return &lprop->target; | |
1729 | } else { | |
1730 | return lprop->targetp; | |
1731 | } | |
1732 | } | |
1733 | ||
d7bce999 EB |
1734 | static void object_get_link_property(Object *obj, Visitor *v, |
1735 | const char *name, void *opaque, | |
1736 | Error **errp) | |
57c9fafe | 1737 | { |
9561fda8 | 1738 | LinkProperty *lprop = opaque; |
9941d37b | 1739 | Object **targetp = object_link_get_targetp(obj, lprop); |
57c9fafe AL |
1740 | gchar *path; |
1741 | ||
36854207 MAL |
1742 | if (*targetp) { |
1743 | path = object_get_canonical_path(*targetp); | |
51e72bc1 | 1744 | visit_type_str(v, name, &path, errp); |
57c9fafe AL |
1745 | g_free(path); |
1746 | } else { | |
1747 | path = (gchar *)""; | |
51e72bc1 | 1748 | visit_type_str(v, name, &path, errp); |
57c9fafe AL |
1749 | } |
1750 | } | |
1751 | ||
f5ec6704 SH |
1752 | /* |
1753 | * object_resolve_link: | |
1754 | * | |
1755 | * Lookup an object and ensure its type matches the link property type. This | |
1756 | * is similar to object_resolve_path() except type verification against the | |
1757 | * link property is performed. | |
1758 | * | |
1759 | * Returns: The matched object or NULL on path lookup failures. | |
1760 | */ | |
1761 | static Object *object_resolve_link(Object *obj, const char *name, | |
1762 | const char *path, Error **errp) | |
1763 | { | |
1764 | const char *type; | |
1765 | gchar *target_type; | |
1766 | bool ambiguous = false; | |
1767 | Object *target; | |
1768 | ||
1769 | /* Go from link<FOO> to FOO. */ | |
1770 | type = object_property_get_type(obj, name, NULL); | |
1771 | target_type = g_strndup(&type[5], strlen(type) - 6); | |
1772 | target = object_resolve_path_type(path, target_type, &ambiguous); | |
1773 | ||
1774 | if (ambiguous) { | |
455b0fde EB |
1775 | error_setg(errp, "Path '%s' does not uniquely identify an object", |
1776 | path); | |
f5ec6704 SH |
1777 | } else if (!target) { |
1778 | target = object_resolve_path(path, &ambiguous); | |
1779 | if (target || ambiguous) { | |
c6bd8c70 | 1780 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name, target_type); |
f5ec6704 | 1781 | } else { |
75158ebb MA |
1782 | error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND, |
1783 | "Device '%s' not found", path); | |
f5ec6704 SH |
1784 | } |
1785 | target = NULL; | |
1786 | } | |
1787 | g_free(target_type); | |
1788 | ||
1789 | return target; | |
1790 | } | |
1791 | ||
d7bce999 EB |
1792 | static void object_set_link_property(Object *obj, Visitor *v, |
1793 | const char *name, void *opaque, | |
1794 | Error **errp) | |
57c9fafe | 1795 | { |
c6aed983 | 1796 | Error *local_err = NULL; |
9561fda8 | 1797 | LinkProperty *prop = opaque; |
9941d37b | 1798 | Object **targetp = object_link_get_targetp(obj, prop); |
36854207 | 1799 | Object *old_target = *targetp; |
c6aed983 SH |
1800 | Object *new_target = NULL; |
1801 | char *path = NULL; | |
57c9fafe | 1802 | |
51e72bc1 | 1803 | visit_type_str(v, name, &path, &local_err); |
57c9fafe | 1804 | |
c6aed983 SH |
1805 | if (!local_err && strcmp(path, "") != 0) { |
1806 | new_target = object_resolve_link(obj, name, path, &local_err); | |
57c9fafe AL |
1807 | } |
1808 | ||
1809 | g_free(path); | |
c6aed983 SH |
1810 | if (local_err) { |
1811 | error_propagate(errp, local_err); | |
1812 | return; | |
1813 | } | |
f0cdc966 | 1814 | |
39f72ef9 SH |
1815 | prop->check(obj, name, new_target, &local_err); |
1816 | if (local_err) { | |
1817 | error_propagate(errp, local_err); | |
1818 | return; | |
1819 | } | |
1820 | ||
36854207 | 1821 | *targetp = new_target; |
8770bafd | 1822 | if (prop->flags & OBJ_PROP_LINK_STRONG) { |
265b578c MAL |
1823 | object_ref(new_target); |
1824 | object_unref(old_target); | |
1825 | } | |
57c9fafe AL |
1826 | } |
1827 | ||
64607d08 PB |
1828 | static Object *object_resolve_link_property(Object *parent, void *opaque, const gchar *part) |
1829 | { | |
1830 | LinkProperty *lprop = opaque; | |
1831 | ||
9941d37b | 1832 | return *object_link_get_targetp(parent, lprop); |
64607d08 PB |
1833 | } |
1834 | ||
9561fda8 SH |
1835 | static void object_release_link_property(Object *obj, const char *name, |
1836 | void *opaque) | |
1837 | { | |
1838 | LinkProperty *prop = opaque; | |
9941d37b | 1839 | Object **targetp = object_link_get_targetp(obj, prop); |
9561fda8 | 1840 | |
9941d37b MAL |
1841 | if ((prop->flags & OBJ_PROP_LINK_STRONG) && *targetp) { |
1842 | object_unref(*targetp); | |
9561fda8 SH |
1843 | } |
1844 | g_free(prop); | |
1845 | } | |
1846 | ||
4a8d5798 MAL |
1847 | static void object_add_link_prop(Object *obj, const char *name, |
1848 | const char *type, void *ptr, | |
1849 | void (*check)(const Object *, const char *, | |
1850 | Object *, Error **), | |
1851 | ObjectPropertyLinkFlags flags, | |
1852 | Error **errp) | |
57c9fafe | 1853 | { |
9561fda8 SH |
1854 | Error *local_err = NULL; |
1855 | LinkProperty *prop = g_malloc(sizeof(*prop)); | |
57c9fafe | 1856 | gchar *full_type; |
64607d08 | 1857 | ObjectProperty *op; |
57c9fafe | 1858 | |
4a8d5798 MAL |
1859 | if (flags & OBJ_PROP_LINK_DIRECT) { |
1860 | prop->target = ptr; | |
1861 | } else { | |
1862 | prop->targetp = ptr; | |
1863 | } | |
39f72ef9 | 1864 | prop->check = check; |
9561fda8 SH |
1865 | prop->flags = flags; |
1866 | ||
57c9fafe AL |
1867 | full_type = g_strdup_printf("link<%s>", type); |
1868 | ||
64607d08 PB |
1869 | op = object_property_add(obj, name, full_type, |
1870 | object_get_link_property, | |
1871 | check ? object_set_link_property : NULL, | |
1872 | object_release_link_property, | |
1873 | prop, | |
1874 | &local_err); | |
9561fda8 SH |
1875 | if (local_err) { |
1876 | error_propagate(errp, local_err); | |
1877 | g_free(prop); | |
64607d08 | 1878 | goto out; |
9561fda8 | 1879 | } |
57c9fafe | 1880 | |
64607d08 PB |
1881 | op->resolve = object_resolve_link_property; |
1882 | ||
1883 | out: | |
57c9fafe AL |
1884 | g_free(full_type); |
1885 | } | |
1886 | ||
4a8d5798 MAL |
1887 | void object_property_add_link(Object *obj, const char *name, |
1888 | const char *type, Object **targetp, | |
1889 | void (*check)(const Object *, const char *, | |
1890 | Object *, Error **), | |
1891 | ObjectPropertyLinkFlags flags, | |
1892 | Error **errp) | |
1893 | { | |
1894 | object_add_link_prop(obj, name, type, targetp, check, flags, errp); | |
1895 | } | |
1896 | ||
fb9e7e33 PB |
1897 | void object_property_add_const_link(Object *obj, const char *name, |
1898 | Object *target, Error **errp) | |
1899 | { | |
4a8d5798 MAL |
1900 | object_add_link_prop(obj, name, object_get_typename(target), target, |
1901 | NULL, OBJ_PROP_LINK_DIRECT, errp); | |
fb9e7e33 PB |
1902 | } |
1903 | ||
11f590b1 SH |
1904 | gchar *object_get_canonical_path_component(Object *obj) |
1905 | { | |
1906 | ObjectProperty *prop = NULL; | |
b604a854 | 1907 | GHashTableIter iter; |
11f590b1 | 1908 | |
770dec26 PB |
1909 | if (obj->parent == NULL) { |
1910 | return NULL; | |
1911 | } | |
11f590b1 | 1912 | |
b604a854 PF |
1913 | g_hash_table_iter_init(&iter, obj->parent->properties); |
1914 | while (g_hash_table_iter_next(&iter, NULL, (gpointer *)&prop)) { | |
11f590b1 SH |
1915 | if (!object_property_is_child(prop)) { |
1916 | continue; | |
1917 | } | |
1918 | ||
1919 | if (prop->opaque == obj) { | |
1920 | return g_strdup(prop->name); | |
1921 | } | |
1922 | } | |
1923 | ||
1924 | /* obj had a parent but was not a child, should never happen */ | |
1925 | g_assert_not_reached(); | |
1926 | return NULL; | |
1927 | } | |
1928 | ||
57c9fafe AL |
1929 | gchar *object_get_canonical_path(Object *obj) |
1930 | { | |
1931 | Object *root = object_get_root(); | |
11f590b1 | 1932 | char *newpath, *path = NULL; |
57c9fafe | 1933 | |
e40077fd PB |
1934 | if (obj == root) { |
1935 | return g_strdup("/"); | |
1936 | } | |
1937 | ||
1938 | do { | |
11f590b1 | 1939 | char *component = object_get_canonical_path_component(obj); |
57c9fafe | 1940 | |
e40077fd PB |
1941 | if (!component) { |
1942 | /* A canonical path must be complete, so discard what was | |
1943 | * collected so far. | |
1944 | */ | |
11f590b1 | 1945 | g_free(path); |
e40077fd | 1946 | return NULL; |
57c9fafe AL |
1947 | } |
1948 | ||
e40077fd PB |
1949 | newpath = g_strdup_printf("/%s%s", component, path ? path : ""); |
1950 | g_free(path); | |
1951 | g_free(component); | |
1952 | path = newpath; | |
57c9fafe | 1953 | obj = obj->parent; |
e40077fd | 1954 | } while (obj != root); |
57c9fafe | 1955 | |
e40077fd | 1956 | return path; |
57c9fafe AL |
1957 | } |
1958 | ||
3e84b483 | 1959 | Object *object_resolve_path_component(Object *parent, const gchar *part) |
a612b2a6 | 1960 | { |
89bfe000 | 1961 | ObjectProperty *prop = object_property_find(parent, part, NULL); |
a612b2a6 PB |
1962 | if (prop == NULL) { |
1963 | return NULL; | |
1964 | } | |
1965 | ||
64607d08 PB |
1966 | if (prop->resolve) { |
1967 | return prop->resolve(parent, prop->opaque, part); | |
a612b2a6 PB |
1968 | } else { |
1969 | return NULL; | |
1970 | } | |
1971 | } | |
1972 | ||
57c9fafe AL |
1973 | static Object *object_resolve_abs_path(Object *parent, |
1974 | gchar **parts, | |
02fe2db6 | 1975 | const char *typename, |
57c9fafe AL |
1976 | int index) |
1977 | { | |
57c9fafe AL |
1978 | Object *child; |
1979 | ||
1980 | if (parts[index] == NULL) { | |
02fe2db6 | 1981 | return object_dynamic_cast(parent, typename); |
57c9fafe AL |
1982 | } |
1983 | ||
1984 | if (strcmp(parts[index], "") == 0) { | |
02fe2db6 | 1985 | return object_resolve_abs_path(parent, parts, typename, index + 1); |
57c9fafe AL |
1986 | } |
1987 | ||
a612b2a6 | 1988 | child = object_resolve_path_component(parent, parts[index]); |
57c9fafe AL |
1989 | if (!child) { |
1990 | return NULL; | |
1991 | } | |
1992 | ||
02fe2db6 | 1993 | return object_resolve_abs_path(child, parts, typename, index + 1); |
57c9fafe AL |
1994 | } |
1995 | ||
1996 | static Object *object_resolve_partial_path(Object *parent, | |
1997 | gchar **parts, | |
02fe2db6 | 1998 | const char *typename, |
57c9fafe AL |
1999 | bool *ambiguous) |
2000 | { | |
2001 | Object *obj; | |
b604a854 | 2002 | GHashTableIter iter; |
57c9fafe AL |
2003 | ObjectProperty *prop; |
2004 | ||
02fe2db6 | 2005 | obj = object_resolve_abs_path(parent, parts, typename, 0); |
57c9fafe | 2006 | |
b604a854 PF |
2007 | g_hash_table_iter_init(&iter, parent->properties); |
2008 | while (g_hash_table_iter_next(&iter, NULL, (gpointer *)&prop)) { | |
57c9fafe AL |
2009 | Object *found; |
2010 | ||
5d9d3f47 | 2011 | if (!object_property_is_child(prop)) { |
57c9fafe AL |
2012 | continue; |
2013 | } | |
2014 | ||
02fe2db6 PB |
2015 | found = object_resolve_partial_path(prop->opaque, parts, |
2016 | typename, ambiguous); | |
57c9fafe AL |
2017 | if (found) { |
2018 | if (obj) { | |
ebcc479e | 2019 | *ambiguous = true; |
57c9fafe AL |
2020 | return NULL; |
2021 | } | |
2022 | obj = found; | |
2023 | } | |
2024 | ||
ebcc479e | 2025 | if (*ambiguous) { |
57c9fafe AL |
2026 | return NULL; |
2027 | } | |
2028 | } | |
2029 | ||
2030 | return obj; | |
2031 | } | |
2032 | ||
02fe2db6 | 2033 | Object *object_resolve_path_type(const char *path, const char *typename, |
ebcc479e | 2034 | bool *ambiguousp) |
57c9fafe | 2035 | { |
57c9fafe AL |
2036 | Object *obj; |
2037 | gchar **parts; | |
2038 | ||
2039 | parts = g_strsplit(path, "/", 0); | |
2e1103f6 | 2040 | assert(parts); |
57c9fafe | 2041 | |
2e1103f6 | 2042 | if (parts[0] == NULL || strcmp(parts[0], "") != 0) { |
ebcc479e | 2043 | bool ambiguous = false; |
02fe2db6 | 2044 | obj = object_resolve_partial_path(object_get_root(), parts, |
ebcc479e EH |
2045 | typename, &ambiguous); |
2046 | if (ambiguousp) { | |
2047 | *ambiguousp = ambiguous; | |
2048 | } | |
57c9fafe | 2049 | } else { |
02fe2db6 | 2050 | obj = object_resolve_abs_path(object_get_root(), parts, typename, 1); |
57c9fafe AL |
2051 | } |
2052 | ||
2053 | g_strfreev(parts); | |
2054 | ||
2055 | return obj; | |
2056 | } | |
2057 | ||
02fe2db6 PB |
2058 | Object *object_resolve_path(const char *path, bool *ambiguous) |
2059 | { | |
2060 | return object_resolve_path_type(path, TYPE_OBJECT, ambiguous); | |
2061 | } | |
2062 | ||
57c9fafe AL |
2063 | typedef struct StringProperty |
2064 | { | |
2065 | char *(*get)(Object *, Error **); | |
2066 | void (*set)(Object *, const char *, Error **); | |
2067 | } StringProperty; | |
2068 | ||
d7bce999 EB |
2069 | static void property_get_str(Object *obj, Visitor *v, const char *name, |
2070 | void *opaque, Error **errp) | |
57c9fafe AL |
2071 | { |
2072 | StringProperty *prop = opaque; | |
2073 | char *value; | |
e1c8237d | 2074 | Error *err = NULL; |
57c9fafe | 2075 | |
e1c8237d MA |
2076 | value = prop->get(obj, &err); |
2077 | if (err) { | |
2078 | error_propagate(errp, err); | |
2079 | return; | |
57c9fafe | 2080 | } |
e1c8237d | 2081 | |
51e72bc1 | 2082 | visit_type_str(v, name, &value, errp); |
e1c8237d | 2083 | g_free(value); |
57c9fafe AL |
2084 | } |
2085 | ||
d7bce999 EB |
2086 | static void property_set_str(Object *obj, Visitor *v, const char *name, |
2087 | void *opaque, Error **errp) | |
57c9fafe AL |
2088 | { |
2089 | StringProperty *prop = opaque; | |
2090 | char *value; | |
2091 | Error *local_err = NULL; | |
2092 | ||
51e72bc1 | 2093 | visit_type_str(v, name, &value, &local_err); |
57c9fafe AL |
2094 | if (local_err) { |
2095 | error_propagate(errp, local_err); | |
2096 | return; | |
2097 | } | |
2098 | ||
2099 | prop->set(obj, value, errp); | |
2100 | g_free(value); | |
2101 | } | |
2102 | ||
7b7b7d18 PB |
2103 | static void property_release_str(Object *obj, const char *name, |
2104 | void *opaque) | |
57c9fafe AL |
2105 | { |
2106 | StringProperty *prop = opaque; | |
2107 | g_free(prop); | |
2108 | } | |
2109 | ||
2110 | void object_property_add_str(Object *obj, const char *name, | |
2111 | char *(*get)(Object *, Error **), | |
2112 | void (*set)(Object *, const char *, Error **), | |
2113 | Error **errp) | |
2114 | { | |
a01aedc8 | 2115 | Error *local_err = NULL; |
57c9fafe AL |
2116 | StringProperty *prop = g_malloc0(sizeof(*prop)); |
2117 | ||
2118 | prop->get = get; | |
2119 | prop->set = set; | |
2120 | ||
2121 | object_property_add(obj, name, "string", | |
7b7b7d18 PB |
2122 | get ? property_get_str : NULL, |
2123 | set ? property_set_str : NULL, | |
2124 | property_release_str, | |
a01aedc8 SH |
2125 | prop, &local_err); |
2126 | if (local_err) { | |
2127 | error_propagate(errp, local_err); | |
2128 | g_free(prop); | |
2129 | } | |
57c9fafe | 2130 | } |
745549c8 | 2131 | |
a3a16211 MAL |
2132 | ObjectProperty * |
2133 | object_class_property_add_str(ObjectClass *klass, const char *name, | |
16bf7f52 DB |
2134 | char *(*get)(Object *, Error **), |
2135 | void (*set)(Object *, const char *, | |
2136 | Error **), | |
2137 | Error **errp) | |
2138 | { | |
2139 | Error *local_err = NULL; | |
2140 | StringProperty *prop = g_malloc0(sizeof(*prop)); | |
a3a16211 | 2141 | ObjectProperty *rv; |
16bf7f52 DB |
2142 | |
2143 | prop->get = get; | |
2144 | prop->set = set; | |
2145 | ||
a3a16211 | 2146 | rv = object_class_property_add(klass, name, "string", |
16bf7f52 DB |
2147 | get ? property_get_str : NULL, |
2148 | set ? property_set_str : NULL, | |
fc4fe712 | 2149 | NULL, |
16bf7f52 DB |
2150 | prop, &local_err); |
2151 | if (local_err) { | |
2152 | error_propagate(errp, local_err); | |
2153 | g_free(prop); | |
2154 | } | |
a3a16211 MAL |
2155 | |
2156 | return rv; | |
16bf7f52 DB |
2157 | } |
2158 | ||
0e558843 AL |
2159 | typedef struct BoolProperty |
2160 | { | |
2161 | bool (*get)(Object *, Error **); | |
2162 | void (*set)(Object *, bool, Error **); | |
2163 | } BoolProperty; | |
2164 | ||
d7bce999 EB |
2165 | static void property_get_bool(Object *obj, Visitor *v, const char *name, |
2166 | void *opaque, Error **errp) | |
0e558843 AL |
2167 | { |
2168 | BoolProperty *prop = opaque; | |
2169 | bool value; | |
4715d42e MA |
2170 | Error *err = NULL; |
2171 | ||
2172 | value = prop->get(obj, &err); | |
2173 | if (err) { | |
2174 | error_propagate(errp, err); | |
2175 | return; | |
2176 | } | |
0e558843 | 2177 | |
51e72bc1 | 2178 | visit_type_bool(v, name, &value, errp); |
0e558843 AL |
2179 | } |
2180 | ||
d7bce999 EB |
2181 | static void property_set_bool(Object *obj, Visitor *v, const char *name, |
2182 | void *opaque, Error **errp) | |
0e558843 AL |
2183 | { |
2184 | BoolProperty *prop = opaque; | |
2185 | bool value; | |
2186 | Error *local_err = NULL; | |
2187 | ||
51e72bc1 | 2188 | visit_type_bool(v, name, &value, &local_err); |
0e558843 AL |
2189 | if (local_err) { |
2190 | error_propagate(errp, local_err); | |
2191 | return; | |
2192 | } | |
2193 | ||
2194 | prop->set(obj, value, errp); | |
2195 | } | |
2196 | ||
2197 | static void property_release_bool(Object *obj, const char *name, | |
2198 | void *opaque) | |
2199 | { | |
2200 | BoolProperty *prop = opaque; | |
2201 | g_free(prop); | |
2202 | } | |
2203 | ||
2204 | void object_property_add_bool(Object *obj, const char *name, | |
2205 | bool (*get)(Object *, Error **), | |
2206 | void (*set)(Object *, bool, Error **), | |
2207 | Error **errp) | |
2208 | { | |
a01aedc8 | 2209 | Error *local_err = NULL; |
0e558843 AL |
2210 | BoolProperty *prop = g_malloc0(sizeof(*prop)); |
2211 | ||
2212 | prop->get = get; | |
2213 | prop->set = set; | |
2214 | ||
2215 | object_property_add(obj, name, "bool", | |
2216 | get ? property_get_bool : NULL, | |
2217 | set ? property_set_bool : NULL, | |
2218 | property_release_bool, | |
a01aedc8 SH |
2219 | prop, &local_err); |
2220 | if (local_err) { | |
2221 | error_propagate(errp, local_err); | |
2222 | g_free(prop); | |
2223 | } | |
0e558843 AL |
2224 | } |
2225 | ||
a3a16211 MAL |
2226 | ObjectProperty * |
2227 | object_class_property_add_bool(ObjectClass *klass, const char *name, | |
16bf7f52 DB |
2228 | bool (*get)(Object *, Error **), |
2229 | void (*set)(Object *, bool, Error **), | |
2230 | Error **errp) | |
2231 | { | |
2232 | Error *local_err = NULL; | |
2233 | BoolProperty *prop = g_malloc0(sizeof(*prop)); | |
a3a16211 | 2234 | ObjectProperty *rv; |
16bf7f52 DB |
2235 | |
2236 | prop->get = get; | |
2237 | prop->set = set; | |
2238 | ||
a3a16211 | 2239 | rv = object_class_property_add(klass, name, "bool", |
16bf7f52 DB |
2240 | get ? property_get_bool : NULL, |
2241 | set ? property_set_bool : NULL, | |
fc4fe712 | 2242 | NULL, |
16bf7f52 DB |
2243 | prop, &local_err); |
2244 | if (local_err) { | |
2245 | error_propagate(errp, local_err); | |
2246 | g_free(prop); | |
2247 | } | |
a3a16211 MAL |
2248 | |
2249 | return rv; | |
16bf7f52 DB |
2250 | } |
2251 | ||
d7bce999 EB |
2252 | static void property_get_enum(Object *obj, Visitor *v, const char *name, |
2253 | void *opaque, Error **errp) | |
a8e3fbed DB |
2254 | { |
2255 | EnumProperty *prop = opaque; | |
2256 | int value; | |
4715d42e MA |
2257 | Error *err = NULL; |
2258 | ||
2259 | value = prop->get(obj, &err); | |
2260 | if (err) { | |
2261 | error_propagate(errp, err); | |
2262 | return; | |
2263 | } | |
a8e3fbed | 2264 | |
f7abe0ec | 2265 | visit_type_enum(v, name, &value, prop->lookup, errp); |
a8e3fbed DB |
2266 | } |
2267 | ||
d7bce999 EB |
2268 | static void property_set_enum(Object *obj, Visitor *v, const char *name, |
2269 | void *opaque, Error **errp) | |
a8e3fbed DB |
2270 | { |
2271 | EnumProperty *prop = opaque; | |
2272 | int value; | |
4715d42e | 2273 | Error *err = NULL; |
a8e3fbed | 2274 | |
f7abe0ec | 2275 | visit_type_enum(v, name, &value, prop->lookup, &err); |
4715d42e MA |
2276 | if (err) { |
2277 | error_propagate(errp, err); | |
2278 | return; | |
2279 | } | |
a8e3fbed DB |
2280 | prop->set(obj, value, errp); |
2281 | } | |
2282 | ||
2283 | static void property_release_enum(Object *obj, const char *name, | |
2284 | void *opaque) | |
2285 | { | |
2286 | EnumProperty *prop = opaque; | |
2287 | g_free(prop); | |
2288 | } | |
2289 | ||
2290 | void object_property_add_enum(Object *obj, const char *name, | |
2291 | const char *typename, | |
f7abe0ec | 2292 | const QEnumLookup *lookup, |
a8e3fbed DB |
2293 | int (*get)(Object *, Error **), |
2294 | void (*set)(Object *, int, Error **), | |
2295 | Error **errp) | |
2296 | { | |
2297 | Error *local_err = NULL; | |
2298 | EnumProperty *prop = g_malloc(sizeof(*prop)); | |
2299 | ||
f7abe0ec | 2300 | prop->lookup = lookup; |
a8e3fbed DB |
2301 | prop->get = get; |
2302 | prop->set = set; | |
2303 | ||
2304 | object_property_add(obj, name, typename, | |
2305 | get ? property_get_enum : NULL, | |
2306 | set ? property_set_enum : NULL, | |
2307 | property_release_enum, | |
2308 | prop, &local_err); | |
2309 | if (local_err) { | |
2310 | error_propagate(errp, local_err); | |
2311 | g_free(prop); | |
2312 | } | |
2313 | } | |
2314 | ||
a3a16211 MAL |
2315 | ObjectProperty * |
2316 | object_class_property_add_enum(ObjectClass *klass, const char *name, | |
16bf7f52 | 2317 | const char *typename, |
f7abe0ec | 2318 | const QEnumLookup *lookup, |
16bf7f52 DB |
2319 | int (*get)(Object *, Error **), |
2320 | void (*set)(Object *, int, Error **), | |
2321 | Error **errp) | |
2322 | { | |
2323 | Error *local_err = NULL; | |
2324 | EnumProperty *prop = g_malloc(sizeof(*prop)); | |
a3a16211 | 2325 | ObjectProperty *rv; |
16bf7f52 | 2326 | |
f7abe0ec | 2327 | prop->lookup = lookup; |
16bf7f52 DB |
2328 | prop->get = get; |
2329 | prop->set = set; | |
2330 | ||
a3a16211 | 2331 | rv = object_class_property_add(klass, name, typename, |
16bf7f52 DB |
2332 | get ? property_get_enum : NULL, |
2333 | set ? property_set_enum : NULL, | |
fc4fe712 | 2334 | NULL, |
16bf7f52 DB |
2335 | prop, &local_err); |
2336 | if (local_err) { | |
2337 | error_propagate(errp, local_err); | |
2338 | g_free(prop); | |
2339 | } | |
a3a16211 MAL |
2340 | |
2341 | return rv; | |
16bf7f52 DB |
2342 | } |
2343 | ||
8e099d14 DG |
2344 | typedef struct TMProperty { |
2345 | void (*get)(Object *, struct tm *, Error **); | |
2346 | } TMProperty; | |
2347 | ||
d7bce999 EB |
2348 | static void property_get_tm(Object *obj, Visitor *v, const char *name, |
2349 | void *opaque, Error **errp) | |
8e099d14 DG |
2350 | { |
2351 | TMProperty *prop = opaque; | |
2352 | Error *err = NULL; | |
2353 | struct tm value; | |
2354 | ||
2355 | prop->get(obj, &value, &err); | |
2356 | if (err) { | |
2357 | goto out; | |
2358 | } | |
2359 | ||
337283df | 2360 | visit_start_struct(v, name, NULL, 0, &err); |
8e099d14 DG |
2361 | if (err) { |
2362 | goto out; | |
2363 | } | |
51e72bc1 | 2364 | visit_type_int32(v, "tm_year", &value.tm_year, &err); |
8e099d14 DG |
2365 | if (err) { |
2366 | goto out_end; | |
2367 | } | |
51e72bc1 | 2368 | visit_type_int32(v, "tm_mon", &value.tm_mon, &err); |
8e099d14 DG |
2369 | if (err) { |
2370 | goto out_end; | |
2371 | } | |
51e72bc1 | 2372 | visit_type_int32(v, "tm_mday", &value.tm_mday, &err); |
8e099d14 DG |
2373 | if (err) { |
2374 | goto out_end; | |
2375 | } | |
51e72bc1 | 2376 | visit_type_int32(v, "tm_hour", &value.tm_hour, &err); |
8e099d14 DG |
2377 | if (err) { |
2378 | goto out_end; | |
2379 | } | |
51e72bc1 | 2380 | visit_type_int32(v, "tm_min", &value.tm_min, &err); |
8e099d14 DG |
2381 | if (err) { |
2382 | goto out_end; | |
2383 | } | |
51e72bc1 | 2384 | visit_type_int32(v, "tm_sec", &value.tm_sec, &err); |
8e099d14 DG |
2385 | if (err) { |
2386 | goto out_end; | |
2387 | } | |
15c2f669 | 2388 | visit_check_struct(v, &err); |
8e099d14 | 2389 | out_end: |
1158bb2a | 2390 | visit_end_struct(v, NULL); |
8e099d14 DG |
2391 | out: |
2392 | error_propagate(errp, err); | |
2393 | ||
2394 | } | |
2395 | ||
2396 | static void property_release_tm(Object *obj, const char *name, | |
2397 | void *opaque) | |
2398 | { | |
2399 | TMProperty *prop = opaque; | |
2400 | g_free(prop); | |
2401 | } | |
2402 | ||
2403 | void object_property_add_tm(Object *obj, const char *name, | |
2404 | void (*get)(Object *, struct tm *, Error **), | |
2405 | Error **errp) | |
2406 | { | |
2407 | Error *local_err = NULL; | |
2408 | TMProperty *prop = g_malloc0(sizeof(*prop)); | |
2409 | ||
2410 | prop->get = get; | |
2411 | ||
2412 | object_property_add(obj, name, "struct tm", | |
2413 | get ? property_get_tm : NULL, NULL, | |
2414 | property_release_tm, | |
2415 | prop, &local_err); | |
2416 | if (local_err) { | |
2417 | error_propagate(errp, local_err); | |
2418 | g_free(prop); | |
2419 | } | |
2420 | } | |
2421 | ||
a3a16211 MAL |
2422 | ObjectProperty * |
2423 | object_class_property_add_tm(ObjectClass *klass, const char *name, | |
16bf7f52 DB |
2424 | void (*get)(Object *, struct tm *, Error **), |
2425 | Error **errp) | |
2426 | { | |
2427 | Error *local_err = NULL; | |
2428 | TMProperty *prop = g_malloc0(sizeof(*prop)); | |
a3a16211 | 2429 | ObjectProperty *rv; |
16bf7f52 DB |
2430 | |
2431 | prop->get = get; | |
2432 | ||
a3a16211 | 2433 | rv = object_class_property_add(klass, name, "struct tm", |
16bf7f52 | 2434 | get ? property_get_tm : NULL, NULL, |
fc4fe712 | 2435 | NULL, |
16bf7f52 DB |
2436 | prop, &local_err); |
2437 | if (local_err) { | |
2438 | error_propagate(errp, local_err); | |
2439 | g_free(prop); | |
2440 | } | |
a3a16211 MAL |
2441 | |
2442 | return rv; | |
16bf7f52 DB |
2443 | } |
2444 | ||
2f262e06 PB |
2445 | static char *qdev_get_type(Object *obj, Error **errp) |
2446 | { | |
2447 | return g_strdup(object_get_typename(obj)); | |
2448 | } | |
2449 | ||
d7bce999 EB |
2450 | static void property_get_uint8_ptr(Object *obj, Visitor *v, const char *name, |
2451 | void *opaque, Error **errp) | |
e732ea63 MT |
2452 | { |
2453 | uint8_t value = *(uint8_t *)opaque; | |
51e72bc1 | 2454 | visit_type_uint8(v, name, &value, errp); |
e732ea63 MT |
2455 | } |
2456 | ||
d7bce999 EB |
2457 | static void property_get_uint16_ptr(Object *obj, Visitor *v, const char *name, |
2458 | void *opaque, Error **errp) | |
e732ea63 MT |
2459 | { |
2460 | uint16_t value = *(uint16_t *)opaque; | |
51e72bc1 | 2461 | visit_type_uint16(v, name, &value, errp); |
e732ea63 MT |
2462 | } |
2463 | ||
d7bce999 EB |
2464 | static void property_get_uint32_ptr(Object *obj, Visitor *v, const char *name, |
2465 | void *opaque, Error **errp) | |
e732ea63 MT |
2466 | { |
2467 | uint32_t value = *(uint32_t *)opaque; | |
51e72bc1 | 2468 | visit_type_uint32(v, name, &value, errp); |
e732ea63 MT |
2469 | } |
2470 | ||
d7bce999 EB |
2471 | static void property_get_uint64_ptr(Object *obj, Visitor *v, const char *name, |
2472 | void *opaque, Error **errp) | |
e732ea63 MT |
2473 | { |
2474 | uint64_t value = *(uint64_t *)opaque; | |
51e72bc1 | 2475 | visit_type_uint64(v, name, &value, errp); |
e732ea63 MT |
2476 | } |
2477 | ||
2478 | void object_property_add_uint8_ptr(Object *obj, const char *name, | |
2479 | const uint8_t *v, Error **errp) | |
2480 | { | |
2481 | object_property_add(obj, name, "uint8", property_get_uint8_ptr, | |
2482 | NULL, NULL, (void *)v, errp); | |
2483 | } | |
2484 | ||
a3a16211 MAL |
2485 | ObjectProperty * |
2486 | object_class_property_add_uint8_ptr(ObjectClass *klass, const char *name, | |
16bf7f52 DB |
2487 | const uint8_t *v, Error **errp) |
2488 | { | |
a3a16211 MAL |
2489 | return object_class_property_add(klass, name, "uint8", |
2490 | property_get_uint8_ptr, | |
2491 | NULL, NULL, (void *)v, errp); | |
16bf7f52 DB |
2492 | } |
2493 | ||
e732ea63 MT |
2494 | void object_property_add_uint16_ptr(Object *obj, const char *name, |
2495 | const uint16_t *v, Error **errp) | |
2496 | { | |
2497 | object_property_add(obj, name, "uint16", property_get_uint16_ptr, | |
2498 | NULL, NULL, (void *)v, errp); | |
2499 | } | |
2500 | ||
a3a16211 MAL |
2501 | ObjectProperty * |
2502 | object_class_property_add_uint16_ptr(ObjectClass *klass, const char *name, | |
16bf7f52 DB |
2503 | const uint16_t *v, Error **errp) |
2504 | { | |
a3a16211 MAL |
2505 | return object_class_property_add(klass, name, "uint16", |
2506 | property_get_uint16_ptr, | |
2507 | NULL, NULL, (void *)v, errp); | |
16bf7f52 DB |
2508 | } |
2509 | ||
e732ea63 MT |
2510 | void object_property_add_uint32_ptr(Object *obj, const char *name, |
2511 | const uint32_t *v, Error **errp) | |
2512 | { | |
2513 | object_property_add(obj, name, "uint32", property_get_uint32_ptr, | |
2514 | NULL, NULL, (void *)v, errp); | |
2515 | } | |
2516 | ||
a3a16211 MAL |
2517 | ObjectProperty * |
2518 | object_class_property_add_uint32_ptr(ObjectClass *klass, const char *name, | |
16bf7f52 DB |
2519 | const uint32_t *v, Error **errp) |
2520 | { | |
a3a16211 MAL |
2521 | return object_class_property_add(klass, name, "uint32", |
2522 | property_get_uint32_ptr, | |
2523 | NULL, NULL, (void *)v, errp); | |
16bf7f52 DB |
2524 | } |
2525 | ||
e732ea63 MT |
2526 | void object_property_add_uint64_ptr(Object *obj, const char *name, |
2527 | const uint64_t *v, Error **errp) | |
2528 | { | |
2529 | object_property_add(obj, name, "uint64", property_get_uint64_ptr, | |
2530 | NULL, NULL, (void *)v, errp); | |
2531 | } | |
2532 | ||
a3a16211 MAL |
2533 | ObjectProperty * |
2534 | object_class_property_add_uint64_ptr(ObjectClass *klass, const char *name, | |
16bf7f52 DB |
2535 | const uint64_t *v, Error **errp) |
2536 | { | |
a3a16211 MAL |
2537 | return object_class_property_add(klass, name, "uint64", |
2538 | property_get_uint64_ptr, | |
2539 | NULL, NULL, (void *)v, errp); | |
16bf7f52 DB |
2540 | } |
2541 | ||
ef7c7ff6 SH |
2542 | typedef struct { |
2543 | Object *target_obj; | |
1590d266 | 2544 | char *target_name; |
ef7c7ff6 SH |
2545 | } AliasProperty; |
2546 | ||
d7bce999 EB |
2547 | static void property_get_alias(Object *obj, Visitor *v, const char *name, |
2548 | void *opaque, Error **errp) | |
ef7c7ff6 SH |
2549 | { |
2550 | AliasProperty *prop = opaque; | |
2551 | ||
2552 | object_property_get(prop->target_obj, v, prop->target_name, errp); | |
2553 | } | |
2554 | ||
d7bce999 EB |
2555 | static void property_set_alias(Object *obj, Visitor *v, const char *name, |
2556 | void *opaque, Error **errp) | |
ef7c7ff6 SH |
2557 | { |
2558 | AliasProperty *prop = opaque; | |
2559 | ||
2560 | object_property_set(prop->target_obj, v, prop->target_name, errp); | |
2561 | } | |
2562 | ||
64607d08 PB |
2563 | static Object *property_resolve_alias(Object *obj, void *opaque, |
2564 | const gchar *part) | |
2565 | { | |
2566 | AliasProperty *prop = opaque; | |
2567 | ||
2568 | return object_resolve_path_component(prop->target_obj, prop->target_name); | |
2569 | } | |
2570 | ||
ef7c7ff6 SH |
2571 | static void property_release_alias(Object *obj, const char *name, void *opaque) |
2572 | { | |
2573 | AliasProperty *prop = opaque; | |
2574 | ||
1590d266 | 2575 | g_free(prop->target_name); |
ef7c7ff6 SH |
2576 | g_free(prop); |
2577 | } | |
2578 | ||
2579 | void object_property_add_alias(Object *obj, const char *name, | |
2580 | Object *target_obj, const char *target_name, | |
2581 | Error **errp) | |
2582 | { | |
2583 | AliasProperty *prop; | |
64607d08 | 2584 | ObjectProperty *op; |
ef7c7ff6 | 2585 | ObjectProperty *target_prop; |
d190698e | 2586 | gchar *prop_type; |
8ae9a9ef | 2587 | Error *local_err = NULL; |
ef7c7ff6 SH |
2588 | |
2589 | target_prop = object_property_find(target_obj, target_name, errp); | |
2590 | if (!target_prop) { | |
2591 | return; | |
2592 | } | |
2593 | ||
d190698e PB |
2594 | if (object_property_is_child(target_prop)) { |
2595 | prop_type = g_strdup_printf("link%s", | |
2596 | target_prop->type + strlen("child")); | |
2597 | } else { | |
2598 | prop_type = g_strdup(target_prop->type); | |
2599 | } | |
2600 | ||
ef7c7ff6 SH |
2601 | prop = g_malloc(sizeof(*prop)); |
2602 | prop->target_obj = target_obj; | |
1590d266 | 2603 | prop->target_name = g_strdup(target_name); |
ef7c7ff6 | 2604 | |
d190698e | 2605 | op = object_property_add(obj, name, prop_type, |
64607d08 PB |
2606 | property_get_alias, |
2607 | property_set_alias, | |
2608 | property_release_alias, | |
8ae9a9ef GA |
2609 | prop, &local_err); |
2610 | if (local_err) { | |
2611 | error_propagate(errp, local_err); | |
2612 | g_free(prop); | |
2613 | goto out; | |
2614 | } | |
64607d08 | 2615 | op->resolve = property_resolve_alias; |
0e76ed0a MAL |
2616 | if (target_prop->defval) { |
2617 | op->defval = qobject_ref(target_prop->defval); | |
2618 | } | |
d190698e | 2619 | |
a18bb417 | 2620 | object_property_set_description(obj, op->name, |
80742642 GA |
2621 | target_prop->description, |
2622 | &error_abort); | |
2623 | ||
8ae9a9ef | 2624 | out: |
d190698e | 2625 | g_free(prop_type); |
ef7c7ff6 SH |
2626 | } |
2627 | ||
80742642 GA |
2628 | void object_property_set_description(Object *obj, const char *name, |
2629 | const char *description, Error **errp) | |
2630 | { | |
2631 | ObjectProperty *op; | |
2632 | ||
2633 | op = object_property_find(obj, name, errp); | |
2634 | if (!op) { | |
2635 | return; | |
2636 | } | |
2637 | ||
2638 | g_free(op->description); | |
2639 | op->description = g_strdup(description); | |
2640 | } | |
2641 | ||
16bf7f52 DB |
2642 | void object_class_property_set_description(ObjectClass *klass, |
2643 | const char *name, | |
2644 | const char *description, | |
2645 | Error **errp) | |
2646 | { | |
2647 | ObjectProperty *op; | |
2648 | ||
2649 | op = g_hash_table_lookup(klass->properties, name); | |
2650 | if (!op) { | |
2651 | error_setg(errp, "Property '.%s' not found", name); | |
2652 | return; | |
2653 | } | |
2654 | ||
2655 | g_free(op->description); | |
2656 | op->description = g_strdup(description); | |
2657 | } | |
2658 | ||
7439a036 | 2659 | static void object_class_init(ObjectClass *klass, void *data) |
2f262e06 | 2660 | { |
7439a036 MAL |
2661 | object_class_property_add_str(klass, "type", qdev_get_type, |
2662 | NULL, &error_abort); | |
2f262e06 PB |
2663 | } |
2664 | ||
745549c8 PB |
2665 | static void register_types(void) |
2666 | { | |
2667 | static TypeInfo interface_info = { | |
2668 | .name = TYPE_INTERFACE, | |
33e95c63 | 2669 | .class_size = sizeof(InterfaceClass), |
745549c8 PB |
2670 | .abstract = true, |
2671 | }; | |
2672 | ||
2673 | static TypeInfo object_info = { | |
2674 | .name = TYPE_OBJECT, | |
2675 | .instance_size = sizeof(Object), | |
7439a036 | 2676 | .class_init = object_class_init, |
745549c8 PB |
2677 | .abstract = true, |
2678 | }; | |
2679 | ||
049cb3cf PB |
2680 | type_interface = type_register_internal(&interface_info); |
2681 | type_register_internal(&object_info); | |
745549c8 PB |
2682 | } |
2683 | ||
2684 | type_init(register_types) |