Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 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 | |
Peter Maydell | 9bbc853 | 2016-01-29 17:50:02 +0000 | [diff] [blame] | 13 | #include "qemu/osdep.h" |
Markus Armbruster | 13d4ff0 | 2019-08-12 07:23:37 +0200 | [diff] [blame] | 14 | #include "hw/qdev-core.h" |
Markus Armbruster | da34e65 | 2016-03-14 09:01:28 +0100 | [diff] [blame] | 15 | #include "qapi/error.h" |
Paolo Bonzini | 14cccb6 | 2012-12-17 18:19:50 +0100 | [diff] [blame] | 16 | #include "qom/object.h" |
Daniel P. Berrange | a31bdae | 2015-05-13 17:14:06 +0100 | [diff] [blame] | 17 | #include "qom/object_interfaces.h" |
Veronia Bahaa | f348b6d | 2016-03-20 19:16:19 +0200 | [diff] [blame] | 18 | #include "qemu/cutils.h" |
Paolo Bonzini | 7b1b5d1 | 2012-12-17 18:19:43 +0100 | [diff] [blame] | 19 | #include "qapi/visitor.h" |
Paolo Bonzini | b2cd7de | 2012-02-09 09:52:59 +0100 | [diff] [blame] | 20 | #include "qapi/string-input-visitor.h" |
| 21 | #include "qapi/string-output-visitor.h" |
Marc-André Lureau | 0e76ed0 | 2020-01-10 19:30:23 +0400 | [diff] [blame] | 22 | #include "qapi/qobject-input-visitor.h" |
Markus Armbruster | eb815e2 | 2018-02-11 10:36:05 +0100 | [diff] [blame] | 23 | #include "qapi/qapi-builtin-visit.h" |
Paolo Bonzini | 7b1b5d1 | 2012-12-17 18:19:43 +0100 | [diff] [blame] | 24 | #include "qapi/qmp/qerror.h" |
Marc-André Lureau | 0e76ed0 | 2020-01-10 19:30:23 +0400 | [diff] [blame] | 25 | #include "qapi/qmp/qjson.h" |
Paolo Bonzini | fa131d9 | 2013-05-10 14:16:39 +0200 | [diff] [blame] | 26 | #include "trace.h" |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 27 | |
Paolo Bonzini | 7b7b7d1 | 2012-02-01 17:16:22 +0100 | [diff] [blame] | 28 | /* TODO: replace QObject with a simpler visitor to avoid a dependency |
| 29 | * of the QOM core on QObject? */ |
Paolo Bonzini | 14cccb6 | 2012-12-17 18:19:50 +0100 | [diff] [blame] | 30 | #include "qom/qom-qobject.h" |
Paolo Bonzini | 7b1b5d1 | 2012-12-17 18:19:43 +0100 | [diff] [blame] | 31 | #include "qapi/qmp/qbool.h" |
Markus Armbruster | 15280c3 | 2018-02-01 12:18:36 +0100 | [diff] [blame] | 32 | #include "qapi/qmp/qnum.h" |
Paolo Bonzini | 7b1b5d1 | 2012-12-17 18:19:43 +0100 | [diff] [blame] | 33 | #include "qapi/qmp/qstring.h" |
Philippe Mathieu-Daudé | e02bdf1 | 2019-04-27 15:56:42 +0200 | [diff] [blame] | 34 | #include "qemu/error-report.h" |
Paolo Bonzini | 7b7b7d1 | 2012-02-01 17:16:22 +0100 | [diff] [blame] | 35 | |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 36 | #define MAX_INTERFACES 32 |
| 37 | |
| 38 | typedef struct InterfaceImpl InterfaceImpl; |
| 39 | typedef struct TypeImpl TypeImpl; |
| 40 | |
| 41 | struct InterfaceImpl |
| 42 | { |
Anthony Liguori | 33e95c6 | 2012-08-10 13:16:10 +1000 | [diff] [blame] | 43 | const char *typename; |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 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); |
Paolo Bonzini | 3b50e31 | 2012-05-02 13:30:55 +0200 | [diff] [blame] | 55 | void (*class_base_init)(ObjectClass *klass, void *data); |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 56 | |
| 57 | void *class_data; |
| 58 | |
| 59 | void (*instance_init)(Object *obj); |
Eduardo Habkost | 8231c2d | 2013-07-10 17:08:41 -0300 | [diff] [blame] | 60 | void (*instance_post_init)(Object *obj); |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 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 | |
Paolo Bonzini | 9970bd8 | 2012-02-03 11:51:39 +0100 | [diff] [blame] | 74 | static Type type_interface; |
| 75 | |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 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 | |
Hervé Poussineau | f54c19c | 2013-12-03 16:42:00 +0100 | [diff] [blame] | 87 | static bool enumerating_types; |
| 88 | |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 89 | static void type_table_add(TypeImpl *ti) |
| 90 | { |
Hervé Poussineau | f54c19c | 2013-12-03 16:42:00 +0100 | [diff] [blame] | 91 | assert(!enumerating_types); |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 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 | |
Paolo Bonzini | b061dc4 | 2013-12-03 16:41:59 +0100 | [diff] [blame] | 100 | static TypeImpl *type_new(const TypeInfo *info) |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 101 | { |
| 102 | TypeImpl *ti = g_malloc0(sizeof(*ti)); |
Anthony Liguori | 33e95c6 | 2012-08-10 13:16:10 +1000 | [diff] [blame] | 103 | int i; |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 104 | |
| 105 | g_assert(info->name != NULL); |
| 106 | |
Anthony Liguori | 7309335 | 2012-01-25 13:37:36 -0600 | [diff] [blame] | 107 | if (type_table_lookup(info->name) != NULL) { |
| 108 | fprintf(stderr, "Registering `%s' which already exists\n", info->name); |
| 109 | abort(); |
| 110 | } |
| 111 | |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 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; |
Paolo Bonzini | 3b50e31 | 2012-05-02 13:30:55 +0200 | [diff] [blame] | 119 | ti->class_base_init = info->class_base_init; |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 120 | ti->class_data = info->class_data; |
| 121 | |
| 122 | ti->instance_init = info->instance_init; |
Eduardo Habkost | 8231c2d | 2013-07-10 17:08:41 -0300 | [diff] [blame] | 123 | ti->instance_post_init = info->instance_post_init; |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 124 | ti->instance_finalize = info->instance_finalize; |
| 125 | |
| 126 | ti->abstract = info->abstract; |
| 127 | |
Anthony Liguori | 33e95c6 | 2012-08-10 13:16:10 +1000 | [diff] [blame] | 128 | for (i = 0; info->interfaces && info->interfaces[i].type; i++) { |
| 129 | ti->interfaces[i].typename = g_strdup(info->interfaces[i].type); |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 130 | } |
Anthony Liguori | 33e95c6 | 2012-08-10 13:16:10 +1000 | [diff] [blame] | 131 | ti->num_interfaces = i; |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 132 | |
Paolo Bonzini | b061dc4 | 2013-12-03 16:41:59 +0100 | [diff] [blame] | 133 | return ti; |
| 134 | } |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 135 | |
Paolo Bonzini | b061dc4 | 2013-12-03 16:41:59 +0100 | [diff] [blame] | 136 | static TypeImpl *type_register_internal(const TypeInfo *info) |
| 137 | { |
| 138 | TypeImpl *ti; |
| 139 | ti = type_new(info); |
| 140 | |
| 141 | type_table_add(ti); |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 142 | return ti; |
| 143 | } |
| 144 | |
Paolo Bonzini | 049cb3c | 2012-04-04 15:58:40 +0200 | [diff] [blame] | 145 | TypeImpl *type_register(const TypeInfo *info) |
| 146 | { |
| 147 | assert(info->parent); |
| 148 | return type_register_internal(info); |
| 149 | } |
| 150 | |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 151 | TypeImpl *type_register_static(const TypeInfo *info) |
| 152 | { |
| 153 | return type_register(info); |
| 154 | } |
| 155 | |
Igor Mammedov | aa04c9d2 | 2017-10-09 21:50:49 +0200 | [diff] [blame] | 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 | |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 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); |
Philippe Mathieu-Daudé | 89d337f | 2020-01-21 12:03:45 +0100 | [diff] [blame] | 178 | if (!type->parent_type) { |
| 179 | fprintf(stderr, "Type '%s' is missing its parent '%s'\n", |
| 180 | type->name, type->parent); |
| 181 | abort(); |
| 182 | } |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 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 | |
Igor Mitsyanko | aca59af | 2012-02-28 15:57:10 +0400 | [diff] [blame] | 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 | |
Bharata B Rao | 3f97b53 | 2016-06-10 06:29:00 +0530 | [diff] [blame] | 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 | |
Anthony Liguori | 33e95c6 | 2012-08-10 13:16:10 +1000 | [diff] [blame] | 227 | static bool type_is_ancestor(TypeImpl *type, TypeImpl *target_type) |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 228 | { |
Anthony Liguori | 33e95c6 | 2012-08-10 13:16:10 +1000 | [diff] [blame] | 229 | assert(target_type); |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 230 | |
Cao jin | b30d805 | 2015-11-03 10:36:42 +0800 | [diff] [blame] | 231 | /* Check if target_type is a direct ancestor of type */ |
Anthony Liguori | 33e95c6 | 2012-08-10 13:16:10 +1000 | [diff] [blame] | 232 | while (type) { |
| 233 | if (type == target_type) { |
| 234 | return true; |
| 235 | } |
| 236 | |
| 237 | type = type_get_parent(type); |
| 238 | } |
| 239 | |
| 240 | return false; |
| 241 | } |
| 242 | |
| 243 | static void type_initialize(TypeImpl *ti); |
| 244 | |
Paolo Bonzini | b061dc4 | 2013-12-03 16:41:59 +0100 | [diff] [blame] | 245 | static void type_initialize_interface(TypeImpl *ti, TypeImpl *interface_type, |
| 246 | TypeImpl *parent_type) |
Anthony Liguori | 33e95c6 | 2012-08-10 13:16:10 +1000 | [diff] [blame] | 247 | { |
| 248 | InterfaceClass *new_iface; |
| 249 | TypeInfo info = { }; |
| 250 | TypeImpl *iface_impl; |
| 251 | |
Paolo Bonzini | b061dc4 | 2013-12-03 16:41:59 +0100 | [diff] [blame] | 252 | info.parent = parent_type->name; |
| 253 | info.name = g_strdup_printf("%s::%s", ti->name, interface_type->name); |
Anthony Liguori | 33e95c6 | 2012-08-10 13:16:10 +1000 | [diff] [blame] | 254 | info.abstract = true; |
| 255 | |
Paolo Bonzini | b061dc4 | 2013-12-03 16:41:59 +0100 | [diff] [blame] | 256 | iface_impl = type_new(&info); |
| 257 | iface_impl->parent_type = parent_type; |
Anthony Liguori | 33e95c6 | 2012-08-10 13:16:10 +1000 | [diff] [blame] | 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; |
Paolo Bonzini | b061dc4 | 2013-12-03 16:41:59 +0100 | [diff] [blame] | 263 | new_iface->interface_type = interface_type; |
Anthony Liguori | 33e95c6 | 2012-08-10 13:16:10 +1000 | [diff] [blame] | 264 | |
| 265 | ti->class->interfaces = g_slist_append(ti->class->interfaces, |
| 266 | iface_impl->class); |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 267 | } |
| 268 | |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 269 | static void object_property_free(gpointer data) |
| 270 | { |
| 271 | ObjectProperty *prop = data; |
| 272 | |
Marc-André Lureau | 0e76ed0 | 2020-01-10 19:30:23 +0400 | [diff] [blame] | 273 | if (prop->defval) { |
| 274 | qobject_unref(prop->defval); |
| 275 | prop->defval = NULL; |
| 276 | } |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 277 | g_free(prop->name); |
| 278 | g_free(prop->type); |
| 279 | g_free(prop->description); |
| 280 | g_free(prop); |
| 281 | } |
| 282 | |
Igor Mitsyanko | ac45103 | 2012-02-28 15:57:11 +0400 | [diff] [blame] | 283 | static void type_initialize(TypeImpl *ti) |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 284 | { |
Paolo Bonzini | 745549c | 2012-03-31 16:45:54 +0200 | [diff] [blame] | 285 | TypeImpl *parent; |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 286 | |
| 287 | if (ti->class) { |
| 288 | return; |
| 289 | } |
| 290 | |
| 291 | ti->class_size = type_class_get_size(ti); |
Igor Mitsyanko | aca59af | 2012-02-28 15:57:10 +0400 | [diff] [blame] | 292 | ti->instance_size = type_object_get_size(ti); |
Eduardo Habkost | 1c6d75d | 2016-12-12 16:31:01 -0200 | [diff] [blame] | 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 | } |
Marc-André Lureau | 422ca14 | 2018-09-12 16:53:03 +0400 | [diff] [blame] | 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 | } |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 307 | ti->class = g_malloc0(ti->class_size); |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 308 | |
Paolo Bonzini | 745549c | 2012-03-31 16:45:54 +0200 | [diff] [blame] | 309 | parent = type_get_parent(ti); |
| 310 | if (parent) { |
Igor Mitsyanko | ac45103 | 2012-02-28 15:57:11 +0400 | [diff] [blame] | 311 | type_initialize(parent); |
Anthony Liguori | 33e95c6 | 2012-08-10 13:16:10 +1000 | [diff] [blame] | 312 | GSList *e; |
| 313 | int i; |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 314 | |
Markus Armbruster | 719a307 | 2018-06-08 19:02:31 +0200 | [diff] [blame] | 315 | g_assert(parent->class_size <= ti->class_size); |
Marc-André Lureau | d5e633f | 2020-01-10 19:30:14 +0400 | [diff] [blame] | 316 | g_assert(parent->instance_size <= ti->instance_size); |
Paolo Bonzini | 745549c | 2012-03-31 16:45:54 +0200 | [diff] [blame] | 317 | memcpy(ti->class, parent->class, parent->class_size); |
Peter Crosthwaite | 3e407de | 2013-02-19 14:02:09 +1000 | [diff] [blame] | 318 | ti->class->interfaces = NULL; |
Anthony Liguori | 33e95c6 | 2012-08-10 13:16:10 +1000 | [diff] [blame] | 319 | |
| 320 | for (e = parent->class->interfaces; e; e = e->next) { |
Paolo Bonzini | b061dc4 | 2013-12-03 16:41:59 +0100 | [diff] [blame] | 321 | InterfaceClass *iface = e->data; |
| 322 | ObjectClass *klass = OBJECT_CLASS(iface); |
| 323 | |
| 324 | type_initialize_interface(ti, iface->interface_type, klass->type); |
Anthony Liguori | 33e95c6 | 2012-08-10 13:16:10 +1000 | [diff] [blame] | 325 | } |
| 326 | |
| 327 | for (i = 0; i < ti->num_interfaces; i++) { |
| 328 | TypeImpl *t = type_get_by_name(ti->interfaces[i].typename); |
Philippe Mathieu-Daudé | a9ee3a9 | 2020-01-18 17:23:48 +0100 | [diff] [blame] | 329 | if (!t) { |
| 330 | error_report("missing interface '%s' for object '%s'", |
| 331 | ti->interfaces[i].typename, parent->name); |
| 332 | abort(); |
| 333 | } |
Anthony Liguori | 33e95c6 | 2012-08-10 13:16:10 +1000 | [diff] [blame] | 334 | for (e = ti->class->interfaces; e; e = e->next) { |
| 335 | TypeImpl *target_type = OBJECT_CLASS(e->data)->type; |
| 336 | |
| 337 | if (type_is_ancestor(target_type, t)) { |
| 338 | break; |
| 339 | } |
| 340 | } |
| 341 | |
| 342 | if (e) { |
| 343 | continue; |
| 344 | } |
| 345 | |
Paolo Bonzini | b061dc4 | 2013-12-03 16:41:59 +0100 | [diff] [blame] | 346 | type_initialize_interface(ti, t, t); |
Anthony Liguori | 33e95c6 | 2012-08-10 13:16:10 +1000 | [diff] [blame] | 347 | } |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 348 | } |
| 349 | |
Masahiro Yamada | e5a0cc5 | 2020-05-13 02:26:15 +0900 | [diff] [blame^] | 350 | ti->class->properties = g_hash_table_new_full(g_str_hash, g_str_equal, NULL, |
| 351 | object_property_free); |
| 352 | |
Paolo Bonzini | 745549c | 2012-03-31 16:45:54 +0200 | [diff] [blame] | 353 | ti->class->type = ti; |
| 354 | |
| 355 | while (parent) { |
| 356 | if (parent->class_base_init) { |
| 357 | parent->class_base_init(ti->class, ti->class_data); |
| 358 | } |
| 359 | parent = type_get_parent(parent); |
| 360 | } |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 361 | |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 362 | if (ti->class_init) { |
| 363 | ti->class_init(ti->class, ti->class_data); |
| 364 | } |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 365 | } |
| 366 | |
| 367 | static void object_init_with_type(Object *obj, TypeImpl *ti) |
| 368 | { |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 369 | if (type_has_parent(ti)) { |
| 370 | object_init_with_type(obj, type_get_parent(ti)); |
| 371 | } |
| 372 | |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 373 | if (ti->instance_init) { |
| 374 | ti->instance_init(obj); |
| 375 | } |
| 376 | } |
| 377 | |
Eduardo Habkost | 8231c2d | 2013-07-10 17:08:41 -0300 | [diff] [blame] | 378 | static void object_post_init_with_type(Object *obj, TypeImpl *ti) |
| 379 | { |
| 380 | if (ti->instance_post_init) { |
| 381 | ti->instance_post_init(obj); |
| 382 | } |
| 383 | |
| 384 | if (type_has_parent(ti)) { |
| 385 | object_post_init_with_type(obj, type_get_parent(ti)); |
| 386 | } |
| 387 | } |
| 388 | |
Marc-André Lureau | ea9ce89 | 2018-11-26 22:04:32 +0400 | [diff] [blame] | 389 | void object_apply_global_props(Object *obj, const GPtrArray *props, Error **errp) |
| 390 | { |
Marc-André Lureau | ea9ce89 | 2018-11-26 22:04:32 +0400 | [diff] [blame] | 391 | int i; |
| 392 | |
| 393 | if (!props) { |
| 394 | return; |
| 395 | } |
| 396 | |
| 397 | for (i = 0; i < props->len; i++) { |
| 398 | GlobalProperty *p = g_ptr_array_index(props, i); |
Eduardo Habkost | d769f0d | 2019-01-10 00:02:57 -0200 | [diff] [blame] | 399 | Error *err = NULL; |
Marc-André Lureau | ea9ce89 | 2018-11-26 22:04:32 +0400 | [diff] [blame] | 400 | |
| 401 | if (object_dynamic_cast(obj, p->driver) == NULL) { |
| 402 | continue; |
| 403 | } |
Dr. David Alan Gilbert | 92fd453 | 2019-07-29 17:29:02 +0100 | [diff] [blame] | 404 | if (p->optional && !object_property_find(obj, p->property, NULL)) { |
| 405 | continue; |
| 406 | } |
Marc-André Lureau | ea9ce89 | 2018-11-26 22:04:32 +0400 | [diff] [blame] | 407 | p->used = true; |
| 408 | object_property_parse(obj, p->value, p->property, &err); |
| 409 | if (err != NULL) { |
| 410 | error_prepend(&err, "can't apply global %s.%s=%s: ", |
| 411 | p->driver, p->property, p->value); |
Marc-André Lureau | 50545b2 | 2018-11-07 15:35:34 +0400 | [diff] [blame] | 412 | /* |
| 413 | * If errp != NULL, propagate error and return. |
| 414 | * If errp == NULL, report a warning, but keep going |
| 415 | * with the remaining globals. |
| 416 | */ |
| 417 | if (errp) { |
| 418 | error_propagate(errp, err); |
| 419 | return; |
| 420 | } else { |
| 421 | warn_report_err(err); |
| 422 | } |
Marc-André Lureau | ea9ce89 | 2018-11-26 22:04:32 +0400 | [diff] [blame] | 423 | } |
| 424 | } |
| 425 | } |
| 426 | |
Markus Armbruster | 617902a | 2019-03-08 14:14:35 +0100 | [diff] [blame] | 427 | /* |
| 428 | * Global property defaults |
| 429 | * Slot 0: accelerator's global property defaults |
| 430 | * Slot 1: machine's global property defaults |
Paolo Bonzini | 1fff3c2 | 2019-11-13 13:33:44 +0100 | [diff] [blame] | 431 | * Slot 2: global properties from legacy command line option |
Markus Armbruster | 617902a | 2019-03-08 14:14:35 +0100 | [diff] [blame] | 432 | * Each is a GPtrArray of of GlobalProperty. |
| 433 | * Applied in order, later entries override earlier ones. |
| 434 | */ |
Paolo Bonzini | 1fff3c2 | 2019-11-13 13:33:44 +0100 | [diff] [blame] | 435 | static GPtrArray *object_compat_props[3]; |
| 436 | |
| 437 | /* |
| 438 | * Retrieve @GPtrArray for global property defined with options |
| 439 | * other than "-global". These are generally used for syntactic |
| 440 | * sugar and legacy command line options. |
| 441 | */ |
| 442 | void object_register_sugar_prop(const char *driver, const char *prop, const char *value) |
| 443 | { |
| 444 | GlobalProperty *g; |
| 445 | if (!object_compat_props[2]) { |
| 446 | object_compat_props[2] = g_ptr_array_new(); |
| 447 | } |
| 448 | g = g_new0(GlobalProperty, 1); |
| 449 | g->driver = g_strdup(driver); |
| 450 | g->property = g_strdup(prop); |
| 451 | g->value = g_strdup(value); |
| 452 | g_ptr_array_add(object_compat_props[2], g); |
| 453 | } |
Markus Armbruster | 617902a | 2019-03-08 14:14:35 +0100 | [diff] [blame] | 454 | |
| 455 | /* |
| 456 | * Set machine's global property defaults to @compat_props. |
| 457 | * May be called at most once. |
| 458 | */ |
| 459 | void object_set_machine_compat_props(GPtrArray *compat_props) |
| 460 | { |
| 461 | assert(!object_compat_props[1]); |
| 462 | object_compat_props[1] = compat_props; |
| 463 | } |
| 464 | |
| 465 | /* |
| 466 | * Set accelerator's global property defaults to @compat_props. |
| 467 | * May be called at most once. |
| 468 | */ |
| 469 | void object_set_accelerator_compat_props(GPtrArray *compat_props) |
| 470 | { |
| 471 | assert(!object_compat_props[0]); |
| 472 | object_compat_props[0] = compat_props; |
| 473 | } |
| 474 | |
| 475 | void object_apply_compat_props(Object *obj) |
| 476 | { |
| 477 | int i; |
| 478 | |
| 479 | for (i = 0; i < ARRAY_SIZE(object_compat_props); i++) { |
| 480 | object_apply_global_props(obj, object_compat_props[i], |
Paolo Bonzini | 1fff3c2 | 2019-11-13 13:33:44 +0100 | [diff] [blame] | 481 | i == 2 ? &error_fatal : &error_abort); |
Markus Armbruster | 617902a | 2019-03-08 14:14:35 +0100 | [diff] [blame] | 482 | } |
| 483 | } |
| 484 | |
Marc-André Lureau | 2a1be4b | 2020-01-10 19:30:19 +0400 | [diff] [blame] | 485 | static void object_class_property_init_all(Object *obj) |
| 486 | { |
| 487 | ObjectPropertyIterator iter; |
| 488 | ObjectProperty *prop; |
| 489 | |
| 490 | object_class_property_iter_init(&iter, object_get_class(obj)); |
| 491 | while ((prop = object_property_iter_next(&iter))) { |
| 492 | if (prop->init) { |
| 493 | prop->init(obj, prop); |
| 494 | } |
| 495 | } |
| 496 | } |
| 497 | |
Marc-André Lureau | 63f7b10 | 2016-12-12 20:31:51 +0300 | [diff] [blame] | 498 | static void object_initialize_with_type(void *data, size_t size, TypeImpl *type) |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 499 | { |
| 500 | Object *obj = data; |
| 501 | |
Igor Mitsyanko | ac45103 | 2012-02-28 15:57:11 +0400 | [diff] [blame] | 502 | type_initialize(type); |
Igor Mitsyanko | aca59af | 2012-02-28 15:57:10 +0400 | [diff] [blame] | 503 | |
Markus Armbruster | 719a307 | 2018-06-08 19:02:31 +0200 | [diff] [blame] | 504 | g_assert(type->instance_size >= sizeof(Object)); |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 505 | g_assert(type->abstract == false); |
Markus Armbruster | 719a307 | 2018-06-08 19:02:31 +0200 | [diff] [blame] | 506 | g_assert(size >= type->instance_size); |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 507 | |
| 508 | memset(obj, 0, type->instance_size); |
| 509 | obj->class = type->class; |
Paolo Bonzini | 764b631 | 2012-11-23 09:47:12 +0100 | [diff] [blame] | 510 | object_ref(obj); |
Marc-André Lureau | 2a1be4b | 2020-01-10 19:30:19 +0400 | [diff] [blame] | 511 | object_class_property_init_all(obj); |
Pavel Fedin | b604a85 | 2015-10-13 13:37:45 +0100 | [diff] [blame] | 512 | obj->properties = g_hash_table_new_full(g_str_hash, g_str_equal, |
| 513 | NULL, object_property_free); |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 514 | object_init_with_type(obj, type); |
Eduardo Habkost | 8231c2d | 2013-07-10 17:08:41 -0300 | [diff] [blame] | 515 | object_post_init_with_type(obj, type); |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 516 | } |
| 517 | |
Andreas Färber | 213f0c4 | 2013-08-23 19:37:12 +0200 | [diff] [blame] | 518 | void object_initialize(void *data, size_t size, const char *typename) |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 519 | { |
| 520 | TypeImpl *type = type_get_by_name(typename); |
| 521 | |
Philippe Mathieu-Daudé | e02bdf1 | 2019-04-27 15:56:42 +0200 | [diff] [blame] | 522 | if (!type) { |
| 523 | error_report("missing object type '%s'", typename); |
| 524 | abort(); |
| 525 | } |
| 526 | |
Andreas Färber | 5b9237f | 2013-08-30 18:28:37 +0200 | [diff] [blame] | 527 | object_initialize_with_type(data, size, type); |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 528 | } |
| 529 | |
Thomas Huth | 0210b39 | 2018-07-16 14:59:18 +0200 | [diff] [blame] | 530 | void object_initialize_child(Object *parentobj, const char *propname, |
| 531 | void *childobj, size_t size, const char *type, |
| 532 | Error **errp, ...) |
| 533 | { |
| 534 | va_list vargs; |
| 535 | |
| 536 | va_start(vargs, errp); |
| 537 | object_initialize_childv(parentobj, propname, childobj, size, type, errp, |
| 538 | vargs); |
| 539 | va_end(vargs); |
| 540 | } |
| 541 | |
| 542 | void object_initialize_childv(Object *parentobj, const char *propname, |
| 543 | void *childobj, size_t size, const char *type, |
| 544 | Error **errp, va_list vargs) |
| 545 | { |
| 546 | Error *local_err = NULL; |
| 547 | Object *obj; |
Marc-André Lureau | 3650b2d | 2018-12-04 18:20:07 +0400 | [diff] [blame] | 548 | UserCreatable *uc; |
Thomas Huth | 0210b39 | 2018-07-16 14:59:18 +0200 | [diff] [blame] | 549 | |
| 550 | object_initialize(childobj, size, type); |
| 551 | obj = OBJECT(childobj); |
| 552 | |
| 553 | object_set_propv(obj, &local_err, vargs); |
| 554 | if (local_err) { |
| 555 | goto out; |
| 556 | } |
| 557 | |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 558 | object_property_add_child(parentobj, propname, obj); |
Thomas Huth | 0210b39 | 2018-07-16 14:59:18 +0200 | [diff] [blame] | 559 | |
Marc-André Lureau | 3650b2d | 2018-12-04 18:20:07 +0400 | [diff] [blame] | 560 | uc = (UserCreatable *)object_dynamic_cast(obj, TYPE_USER_CREATABLE); |
| 561 | if (uc) { |
| 562 | user_creatable_complete(uc, &local_err); |
Thomas Huth | 0210b39 | 2018-07-16 14:59:18 +0200 | [diff] [blame] | 563 | if (local_err) { |
| 564 | object_unparent(obj); |
| 565 | goto out; |
| 566 | } |
| 567 | } |
| 568 | |
Markus Armbruster | 975ac45 | 2020-05-05 17:29:09 +0200 | [diff] [blame] | 569 | out: |
Thomas Huth | 0210b39 | 2018-07-16 14:59:18 +0200 | [diff] [blame] | 570 | /* |
Markus Armbruster | 975ac45 | 2020-05-05 17:29:09 +0200 | [diff] [blame] | 571 | * We want @obj's reference to be 1 on success, 0 on failure. |
| 572 | * On success, it's 2: one taken by object_initialize(), and one |
| 573 | * by object_property_add_child(). |
| 574 | * On failure in object_initialize() or earlier, it's 1. |
| 575 | * On failure afterwards, it's also 1: object_unparent() releases |
| 576 | * the reference taken by object_property_add_child(). |
Thomas Huth | 0210b39 | 2018-07-16 14:59:18 +0200 | [diff] [blame] | 577 | */ |
| 578 | object_unref(obj); |
| 579 | |
Markus Armbruster | 975ac45 | 2020-05-05 17:29:09 +0200 | [diff] [blame] | 580 | error_propagate(errp, local_err); |
Thomas Huth | 0210b39 | 2018-07-16 14:59:18 +0200 | [diff] [blame] | 581 | } |
| 582 | |
Andreas Färber | 5d9d3f4 | 2012-05-27 00:32:40 +0200 | [diff] [blame] | 583 | static inline bool object_property_is_child(ObjectProperty *prop) |
| 584 | { |
| 585 | return strstart(prop->type, "child<", NULL); |
| 586 | } |
| 587 | |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 588 | static void object_property_del_all(Object *obj) |
| 589 | { |
Marc-André Lureau | 9859fac | 2020-01-10 19:30:30 +0400 | [diff] [blame] | 590 | g_autoptr(GHashTable) done = g_hash_table_new(NULL, NULL); |
Pavel Fedin | b604a85 | 2015-10-13 13:37:45 +0100 | [diff] [blame] | 591 | ObjectProperty *prop; |
Marc-André Lureau | 9859fac | 2020-01-10 19:30:30 +0400 | [diff] [blame] | 592 | ObjectPropertyIterator iter; |
Pavel Fedin | b604a85 | 2015-10-13 13:37:45 +0100 | [diff] [blame] | 593 | bool released; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 594 | |
Pavel Fedin | b604a85 | 2015-10-13 13:37:45 +0100 | [diff] [blame] | 595 | do { |
| 596 | released = false; |
Marc-André Lureau | 9859fac | 2020-01-10 19:30:30 +0400 | [diff] [blame] | 597 | object_property_iter_init(&iter, obj); |
| 598 | while ((prop = object_property_iter_next(&iter)) != NULL) { |
| 599 | if (g_hash_table_add(done, prop)) { |
| 600 | if (prop->release) { |
| 601 | prop->release(obj, prop->name, prop->opaque); |
| 602 | released = true; |
| 603 | break; |
| 604 | } |
Pavel Fedin | b604a85 | 2015-10-13 13:37:45 +0100 | [diff] [blame] | 605 | } |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 606 | } |
Pavel Fedin | b604a85 | 2015-10-13 13:37:45 +0100 | [diff] [blame] | 607 | } while (released); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 608 | |
Pavel Fedin | b604a85 | 2015-10-13 13:37:45 +0100 | [diff] [blame] | 609 | g_hash_table_unref(obj->properties); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 610 | } |
| 611 | |
Markus Armbruster | f73a32a | 2020-05-05 17:29:11 +0200 | [diff] [blame] | 612 | static void object_property_del_child(Object *obj, Object *child) |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 613 | { |
| 614 | ObjectProperty *prop; |
Pavel Fedin | b604a85 | 2015-10-13 13:37:45 +0100 | [diff] [blame] | 615 | GHashTableIter iter; |
| 616 | gpointer key, value; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 617 | |
Pavel Fedin | b604a85 | 2015-10-13 13:37:45 +0100 | [diff] [blame] | 618 | g_hash_table_iter_init(&iter, obj->properties); |
| 619 | while (g_hash_table_iter_next(&iter, &key, &value)) { |
| 620 | prop = value; |
Andreas Färber | 5d9d3f4 | 2012-05-27 00:32:40 +0200 | [diff] [blame] | 621 | if (object_property_is_child(prop) && prop->opaque == child) { |
Pavel Fedin | b604a85 | 2015-10-13 13:37:45 +0100 | [diff] [blame] | 622 | if (prop->release) { |
| 623 | prop->release(obj, prop->name, prop->opaque); |
| 624 | prop->release = NULL; |
| 625 | } |
| 626 | break; |
| 627 | } |
| 628 | } |
| 629 | g_hash_table_iter_init(&iter, obj->properties); |
| 630 | while (g_hash_table_iter_next(&iter, &key, &value)) { |
| 631 | prop = value; |
| 632 | if (object_property_is_child(prop) && prop->opaque == child) { |
| 633 | g_hash_table_iter_remove(&iter); |
Paolo Bonzini | 6c1fdcf | 2012-02-28 09:54:15 +0100 | [diff] [blame] | 634 | break; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 635 | } |
| 636 | } |
| 637 | } |
| 638 | |
| 639 | void object_unparent(Object *obj) |
| 640 | { |
Michael S. Tsirkin | e998fa8 | 2013-03-18 21:01:37 +0200 | [diff] [blame] | 641 | if (obj->parent) { |
Markus Armbruster | f73a32a | 2020-05-05 17:29:11 +0200 | [diff] [blame] | 642 | object_property_del_child(obj->parent, obj); |
Michael S. Tsirkin | e998fa8 | 2013-03-18 21:01:37 +0200 | [diff] [blame] | 643 | } |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 644 | } |
| 645 | |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 646 | static void object_deinit(Object *obj, TypeImpl *type) |
| 647 | { |
| 648 | if (type->instance_finalize) { |
| 649 | type->instance_finalize(obj); |
| 650 | } |
| 651 | |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 652 | if (type_has_parent(type)) { |
| 653 | object_deinit(obj, type_get_parent(type)); |
| 654 | } |
| 655 | } |
| 656 | |
Paolo Bonzini | 339c270 | 2012-11-23 09:47:16 +0100 | [diff] [blame] | 657 | static void object_finalize(void *data) |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 658 | { |
| 659 | Object *obj = data; |
| 660 | TypeImpl *ti = obj->class->type; |
| 661 | |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 662 | object_property_del_all(obj); |
Paolo Bonzini | 76a6e1c | 2014-06-11 11:58:30 +0200 | [diff] [blame] | 663 | object_deinit(obj, ti); |
Anthony Liguori | db85b57 | 2011-12-23 08:47:39 -0600 | [diff] [blame] | 664 | |
Markus Armbruster | 719a307 | 2018-06-08 19:02:31 +0200 | [diff] [blame] | 665 | g_assert(obj->ref == 0); |
Paolo Bonzini | fde9bf4 | 2012-11-23 09:47:14 +0100 | [diff] [blame] | 666 | if (obj->free) { |
| 667 | obj->free(obj); |
| 668 | } |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 669 | } |
| 670 | |
Marc-André Lureau | 63f7b10 | 2016-12-12 20:31:51 +0300 | [diff] [blame] | 671 | static Object *object_new_with_type(Type type) |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 672 | { |
| 673 | Object *obj; |
| 674 | |
| 675 | g_assert(type != NULL); |
Igor Mitsyanko | ac45103 | 2012-02-28 15:57:11 +0400 | [diff] [blame] | 676 | type_initialize(type); |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 677 | |
| 678 | obj = g_malloc(type->instance_size); |
Andreas Färber | 5b9237f | 2013-08-30 18:28:37 +0200 | [diff] [blame] | 679 | object_initialize_with_type(obj, type->instance_size, type); |
Paolo Bonzini | fde9bf4 | 2012-11-23 09:47:14 +0100 | [diff] [blame] | 680 | obj->free = g_free; |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 681 | |
| 682 | return obj; |
| 683 | } |
| 684 | |
Paolo Bonzini | 3c75e12 | 2019-11-13 13:57:55 +0100 | [diff] [blame] | 685 | Object *object_new_with_class(ObjectClass *klass) |
| 686 | { |
| 687 | return object_new_with_type(klass->type); |
| 688 | } |
| 689 | |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 690 | Object *object_new(const char *typename) |
| 691 | { |
| 692 | TypeImpl *ti = type_get_by_name(typename); |
| 693 | |
| 694 | return object_new_with_type(ti); |
| 695 | } |
| 696 | |
Daniel P. Berrange | a31bdae | 2015-05-13 17:14:06 +0100 | [diff] [blame] | 697 | |
| 698 | Object *object_new_with_props(const char *typename, |
| 699 | Object *parent, |
| 700 | const char *id, |
| 701 | Error **errp, |
| 702 | ...) |
| 703 | { |
| 704 | va_list vargs; |
| 705 | Object *obj; |
| 706 | |
| 707 | va_start(vargs, errp); |
| 708 | obj = object_new_with_propv(typename, parent, id, errp, vargs); |
| 709 | va_end(vargs); |
| 710 | |
| 711 | return obj; |
| 712 | } |
| 713 | |
| 714 | |
| 715 | Object *object_new_with_propv(const char *typename, |
| 716 | Object *parent, |
| 717 | const char *id, |
| 718 | Error **errp, |
| 719 | va_list vargs) |
| 720 | { |
| 721 | Object *obj; |
| 722 | ObjectClass *klass; |
| 723 | Error *local_err = NULL; |
Marc-André Lureau | 3650b2d | 2018-12-04 18:20:07 +0400 | [diff] [blame] | 724 | UserCreatable *uc; |
Daniel P. Berrange | a31bdae | 2015-05-13 17:14:06 +0100 | [diff] [blame] | 725 | |
| 726 | klass = object_class_by_name(typename); |
| 727 | if (!klass) { |
| 728 | error_setg(errp, "invalid object type: %s", typename); |
| 729 | return NULL; |
| 730 | } |
| 731 | |
| 732 | if (object_class_is_abstract(klass)) { |
| 733 | error_setg(errp, "object type '%s' is abstract", typename); |
| 734 | return NULL; |
| 735 | } |
Wei Yang | 66e1155 | 2019-03-11 16:32:34 +0800 | [diff] [blame] | 736 | obj = object_new_with_type(klass->type); |
Daniel P. Berrange | a31bdae | 2015-05-13 17:14:06 +0100 | [diff] [blame] | 737 | |
| 738 | if (object_set_propv(obj, &local_err, vargs) < 0) { |
| 739 | goto error; |
| 740 | } |
| 741 | |
Daniel P. Berrangé | 6134d75 | 2018-06-15 16:39:35 +0100 | [diff] [blame] | 742 | if (id != NULL) { |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 743 | object_property_add_child(parent, id, obj); |
Daniel P. Berrange | a31bdae | 2015-05-13 17:14:06 +0100 | [diff] [blame] | 744 | } |
| 745 | |
Marc-André Lureau | 3650b2d | 2018-12-04 18:20:07 +0400 | [diff] [blame] | 746 | uc = (UserCreatable *)object_dynamic_cast(obj, TYPE_USER_CREATABLE); |
| 747 | if (uc) { |
| 748 | user_creatable_complete(uc, &local_err); |
Daniel P. Berrange | a31bdae | 2015-05-13 17:14:06 +0100 | [diff] [blame] | 749 | if (local_err) { |
Daniel P. Berrangé | 6134d75 | 2018-06-15 16:39:35 +0100 | [diff] [blame] | 750 | if (id != NULL) { |
| 751 | object_unparent(obj); |
| 752 | } |
Daniel P. Berrange | a31bdae | 2015-05-13 17:14:06 +0100 | [diff] [blame] | 753 | goto error; |
| 754 | } |
| 755 | } |
| 756 | |
Philippe Mathieu-Daudé | 688ffbb | 2020-05-12 09:00:19 +0200 | [diff] [blame] | 757 | object_unref(obj); |
Daniel P. Berrange | a31bdae | 2015-05-13 17:14:06 +0100 | [diff] [blame] | 758 | return obj; |
| 759 | |
| 760 | error: |
Eduardo Habkost | 621ff94 | 2016-06-13 18:57:56 -0300 | [diff] [blame] | 761 | error_propagate(errp, local_err); |
Daniel P. Berrange | a31bdae | 2015-05-13 17:14:06 +0100 | [diff] [blame] | 762 | object_unref(obj); |
| 763 | return NULL; |
| 764 | } |
| 765 | |
| 766 | |
| 767 | int object_set_props(Object *obj, |
| 768 | Error **errp, |
| 769 | ...) |
| 770 | { |
| 771 | va_list vargs; |
| 772 | int ret; |
| 773 | |
| 774 | va_start(vargs, errp); |
| 775 | ret = object_set_propv(obj, errp, vargs); |
| 776 | va_end(vargs); |
| 777 | |
| 778 | return ret; |
| 779 | } |
| 780 | |
| 781 | |
| 782 | int object_set_propv(Object *obj, |
| 783 | Error **errp, |
| 784 | va_list vargs) |
| 785 | { |
| 786 | const char *propname; |
| 787 | Error *local_err = NULL; |
| 788 | |
| 789 | propname = va_arg(vargs, char *); |
| 790 | while (propname != NULL) { |
| 791 | const char *value = va_arg(vargs, char *); |
| 792 | |
| 793 | g_assert(value != NULL); |
| 794 | object_property_parse(obj, value, propname, &local_err); |
| 795 | if (local_err) { |
| 796 | error_propagate(errp, local_err); |
| 797 | return -1; |
| 798 | } |
| 799 | propname = va_arg(vargs, char *); |
| 800 | } |
| 801 | |
| 802 | return 0; |
| 803 | } |
| 804 | |
| 805 | |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 806 | Object *object_dynamic_cast(Object *obj, const char *typename) |
| 807 | { |
Paolo Bonzini | b7f43fe | 2012-11-23 16:56:17 +0100 | [diff] [blame] | 808 | if (obj && object_class_dynamic_cast(object_get_class(obj), typename)) { |
Paolo Bonzini | acc4af3 | 2012-02-03 11:57:23 +0100 | [diff] [blame] | 809 | return obj; |
| 810 | } |
| 811 | |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 812 | return NULL; |
| 813 | } |
| 814 | |
Paolo Bonzini | be17f18 | 2013-05-10 14:16:38 +0200 | [diff] [blame] | 815 | Object *object_dynamic_cast_assert(Object *obj, const char *typename, |
| 816 | const char *file, int line, const char *func) |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 817 | { |
Paolo Bonzini | fa131d9 | 2013-05-10 14:16:39 +0200 | [diff] [blame] | 818 | trace_object_dynamic_cast_assert(obj ? obj->class->type->name : "(null)", |
| 819 | typename, file, line, func); |
| 820 | |
Paolo Bonzini | 3556c23 | 2013-05-10 14:16:40 +0200 | [diff] [blame] | 821 | #ifdef CONFIG_QOM_CAST_DEBUG |
Anthony Liguori | 0358732 | 2013-05-13 15:22:24 -0500 | [diff] [blame] | 822 | int i; |
| 823 | Object *inst; |
| 824 | |
Peter Crosthwaite | 95916ab | 2013-05-22 11:19:16 +1000 | [diff] [blame] | 825 | for (i = 0; obj && i < OBJECT_CLASS_CAST_CACHE; i++) { |
Alex Bennée | b6b3ccf | 2016-09-30 22:30:57 +0100 | [diff] [blame] | 826 | if (atomic_read(&obj->class->object_cast_cache[i]) == typename) { |
Anthony Liguori | 0358732 | 2013-05-13 15:22:24 -0500 | [diff] [blame] | 827 | goto out; |
| 828 | } |
| 829 | } |
| 830 | |
| 831 | inst = object_dynamic_cast(obj, typename); |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 832 | |
Paolo Bonzini | b7f43fe | 2012-11-23 16:56:17 +0100 | [diff] [blame] | 833 | if (!inst && obj) { |
Paolo Bonzini | be17f18 | 2013-05-10 14:16:38 +0200 | [diff] [blame] | 834 | fprintf(stderr, "%s:%d:%s: Object %p is not an instance of type %s\n", |
| 835 | file, line, func, obj, typename); |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 836 | abort(); |
| 837 | } |
| 838 | |
Paolo Bonzini | 3556c23 | 2013-05-10 14:16:40 +0200 | [diff] [blame] | 839 | assert(obj == inst); |
Anthony Liguori | 0358732 | 2013-05-13 15:22:24 -0500 | [diff] [blame] | 840 | |
Peter Crosthwaite | 95916ab | 2013-05-22 11:19:16 +1000 | [diff] [blame] | 841 | if (obj && obj == inst) { |
Anthony Liguori | 0358732 | 2013-05-13 15:22:24 -0500 | [diff] [blame] | 842 | for (i = 1; i < OBJECT_CLASS_CAST_CACHE; i++) { |
Alex Bennée | b6b3ccf | 2016-09-30 22:30:57 +0100 | [diff] [blame] | 843 | atomic_set(&obj->class->object_cast_cache[i - 1], |
| 844 | atomic_read(&obj->class->object_cast_cache[i])); |
Anthony Liguori | 0358732 | 2013-05-13 15:22:24 -0500 | [diff] [blame] | 845 | } |
Alex Bennée | b6b3ccf | 2016-09-30 22:30:57 +0100 | [diff] [blame] | 846 | atomic_set(&obj->class->object_cast_cache[i - 1], typename); |
Anthony Liguori | 0358732 | 2013-05-13 15:22:24 -0500 | [diff] [blame] | 847 | } |
| 848 | |
| 849 | out: |
Paolo Bonzini | 3556c23 | 2013-05-10 14:16:40 +0200 | [diff] [blame] | 850 | #endif |
| 851 | return obj; |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 852 | } |
| 853 | |
| 854 | ObjectClass *object_class_dynamic_cast(ObjectClass *class, |
| 855 | const char *typename) |
| 856 | { |
Anthony Liguori | 33e95c6 | 2012-08-10 13:16:10 +1000 | [diff] [blame] | 857 | ObjectClass *ret = NULL; |
Paolo Bonzini | bf0fda3 | 2013-05-10 14:16:36 +0200 | [diff] [blame] | 858 | TypeImpl *target_type; |
| 859 | TypeImpl *type; |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 860 | |
Paolo Bonzini | bf0fda3 | 2013-05-10 14:16:36 +0200 | [diff] [blame] | 861 | if (!class) { |
| 862 | return NULL; |
| 863 | } |
| 864 | |
Paolo Bonzini | 793c96b | 2013-05-10 14:16:37 +0200 | [diff] [blame] | 865 | /* A simple fast path that can trigger a lot for leaf classes. */ |
Paolo Bonzini | bf0fda3 | 2013-05-10 14:16:36 +0200 | [diff] [blame] | 866 | type = class->type; |
Paolo Bonzini | 793c96b | 2013-05-10 14:16:37 +0200 | [diff] [blame] | 867 | if (type->name == typename) { |
| 868 | return class; |
| 869 | } |
| 870 | |
Paolo Bonzini | bf0fda3 | 2013-05-10 14:16:36 +0200 | [diff] [blame] | 871 | target_type = type_get_by_name(typename); |
Alexander Graf | 9ab880b | 2013-04-30 15:02:16 +0200 | [diff] [blame] | 872 | if (!target_type) { |
| 873 | /* target class type unknown, so fail the cast */ |
| 874 | return NULL; |
| 875 | } |
| 876 | |
Peter Crosthwaite | 00e2cea | 2013-02-19 14:02:10 +1000 | [diff] [blame] | 877 | if (type->class->interfaces && |
| 878 | type_is_ancestor(target_type, type_interface)) { |
Anthony Liguori | 33e95c6 | 2012-08-10 13:16:10 +1000 | [diff] [blame] | 879 | int found = 0; |
| 880 | GSList *i; |
| 881 | |
| 882 | for (i = class->interfaces; i; i = i->next) { |
| 883 | ObjectClass *target_class = i->data; |
| 884 | |
| 885 | if (type_is_ancestor(target_class->type, target_type)) { |
| 886 | ret = target_class; |
| 887 | found++; |
| 888 | } |
| 889 | } |
| 890 | |
| 891 | /* The match was ambiguous, don't allow a cast */ |
| 892 | if (found > 1) { |
| 893 | ret = NULL; |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 894 | } |
Anthony Liguori | 33e95c6 | 2012-08-10 13:16:10 +1000 | [diff] [blame] | 895 | } else if (type_is_ancestor(type, target_type)) { |
| 896 | ret = class; |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 897 | } |
| 898 | |
Anthony Liguori | 33e95c6 | 2012-08-10 13:16:10 +1000 | [diff] [blame] | 899 | return ret; |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 900 | } |
| 901 | |
| 902 | ObjectClass *object_class_dynamic_cast_assert(ObjectClass *class, |
Paolo Bonzini | be17f18 | 2013-05-10 14:16:38 +0200 | [diff] [blame] | 903 | const char *typename, |
| 904 | const char *file, int line, |
| 905 | const char *func) |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 906 | { |
Paolo Bonzini | fa131d9 | 2013-05-10 14:16:39 +0200 | [diff] [blame] | 907 | ObjectClass *ret; |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 908 | |
Paolo Bonzini | fa131d9 | 2013-05-10 14:16:39 +0200 | [diff] [blame] | 909 | trace_object_class_dynamic_cast_assert(class ? class->type->name : "(null)", |
| 910 | typename, file, line, func); |
| 911 | |
Anthony Liguori | 0358732 | 2013-05-13 15:22:24 -0500 | [diff] [blame] | 912 | #ifdef CONFIG_QOM_CAST_DEBUG |
| 913 | int i; |
| 914 | |
Peter Crosthwaite | 9d6a3d5 | 2013-06-18 19:18:59 +1000 | [diff] [blame] | 915 | for (i = 0; class && i < OBJECT_CLASS_CAST_CACHE; i++) { |
Alex Bennée | b6b3ccf | 2016-09-30 22:30:57 +0100 | [diff] [blame] | 916 | if (atomic_read(&class->class_cast_cache[i]) == typename) { |
Anthony Liguori | 0358732 | 2013-05-13 15:22:24 -0500 | [diff] [blame] | 917 | ret = class; |
| 918 | goto out; |
| 919 | } |
| 920 | } |
| 921 | #else |
Peter Crosthwaite | 9d6a3d5 | 2013-06-18 19:18:59 +1000 | [diff] [blame] | 922 | if (!class || !class->interfaces) { |
Paolo Bonzini | 3556c23 | 2013-05-10 14:16:40 +0200 | [diff] [blame] | 923 | return class; |
| 924 | } |
| 925 | #endif |
| 926 | |
Paolo Bonzini | fa131d9 | 2013-05-10 14:16:39 +0200 | [diff] [blame] | 927 | ret = object_class_dynamic_cast(class, typename); |
Paolo Bonzini | bf0fda3 | 2013-05-10 14:16:36 +0200 | [diff] [blame] | 928 | if (!ret && class) { |
Paolo Bonzini | be17f18 | 2013-05-10 14:16:38 +0200 | [diff] [blame] | 929 | fprintf(stderr, "%s:%d:%s: Object %p is not an instance of type %s\n", |
| 930 | file, line, func, class, typename); |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 931 | abort(); |
| 932 | } |
| 933 | |
Anthony Liguori | 0358732 | 2013-05-13 15:22:24 -0500 | [diff] [blame] | 934 | #ifdef CONFIG_QOM_CAST_DEBUG |
Peter Crosthwaite | 9d6a3d5 | 2013-06-18 19:18:59 +1000 | [diff] [blame] | 935 | if (class && ret == class) { |
Anthony Liguori | 0358732 | 2013-05-13 15:22:24 -0500 | [diff] [blame] | 936 | for (i = 1; i < OBJECT_CLASS_CAST_CACHE; i++) { |
Alex Bennée | b6b3ccf | 2016-09-30 22:30:57 +0100 | [diff] [blame] | 937 | atomic_set(&class->class_cast_cache[i - 1], |
| 938 | atomic_read(&class->class_cast_cache[i])); |
Anthony Liguori | 0358732 | 2013-05-13 15:22:24 -0500 | [diff] [blame] | 939 | } |
Alex Bennée | b6b3ccf | 2016-09-30 22:30:57 +0100 | [diff] [blame] | 940 | atomic_set(&class->class_cast_cache[i - 1], typename); |
Anthony Liguori | 0358732 | 2013-05-13 15:22:24 -0500 | [diff] [blame] | 941 | } |
| 942 | out: |
| 943 | #endif |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 944 | return ret; |
| 945 | } |
| 946 | |
Igor Mammedov | 8f5d58e | 2017-07-14 10:14:50 +0800 | [diff] [blame] | 947 | const char *object_get_typename(const Object *obj) |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 948 | { |
| 949 | return obj->class->type->name; |
| 950 | } |
| 951 | |
| 952 | ObjectClass *object_get_class(Object *obj) |
| 953 | { |
| 954 | return obj->class; |
| 955 | } |
| 956 | |
Andreas Färber | 1786237 | 2013-01-23 12:20:18 +0100 | [diff] [blame] | 957 | bool object_class_is_abstract(ObjectClass *klass) |
| 958 | { |
| 959 | return klass->type->abstract; |
| 960 | } |
| 961 | |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 962 | const char *object_class_get_name(ObjectClass *klass) |
| 963 | { |
| 964 | return klass->type->name; |
| 965 | } |
| 966 | |
| 967 | ObjectClass *object_class_by_name(const char *typename) |
| 968 | { |
| 969 | TypeImpl *type = type_get_by_name(typename); |
| 970 | |
| 971 | if (!type) { |
| 972 | return NULL; |
| 973 | } |
| 974 | |
Igor Mitsyanko | ac45103 | 2012-02-28 15:57:11 +0400 | [diff] [blame] | 975 | type_initialize(type); |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 976 | |
| 977 | return type->class; |
| 978 | } |
| 979 | |
Paolo Bonzini | e7cce67 | 2012-05-02 13:30:54 +0200 | [diff] [blame] | 980 | ObjectClass *object_class_get_parent(ObjectClass *class) |
| 981 | { |
| 982 | TypeImpl *type = type_get_parent(class->type); |
| 983 | |
| 984 | if (!type) { |
| 985 | return NULL; |
| 986 | } |
| 987 | |
| 988 | type_initialize(type); |
| 989 | |
| 990 | return type->class; |
| 991 | } |
| 992 | |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 993 | typedef struct OCFData |
| 994 | { |
| 995 | void (*fn)(ObjectClass *klass, void *opaque); |
Anthony Liguori | 93c511a | 2011-12-22 14:11:53 -0600 | [diff] [blame] | 996 | const char *implements_type; |
| 997 | bool include_abstract; |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 998 | void *opaque; |
| 999 | } OCFData; |
| 1000 | |
| 1001 | static void object_class_foreach_tramp(gpointer key, gpointer value, |
| 1002 | gpointer opaque) |
| 1003 | { |
| 1004 | OCFData *data = opaque; |
| 1005 | TypeImpl *type = value; |
Anthony Liguori | 93c511a | 2011-12-22 14:11:53 -0600 | [diff] [blame] | 1006 | ObjectClass *k; |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 1007 | |
Igor Mitsyanko | ac45103 | 2012-02-28 15:57:11 +0400 | [diff] [blame] | 1008 | type_initialize(type); |
Anthony Liguori | 93c511a | 2011-12-22 14:11:53 -0600 | [diff] [blame] | 1009 | k = type->class; |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 1010 | |
Anthony Liguori | 93c511a | 2011-12-22 14:11:53 -0600 | [diff] [blame] | 1011 | if (!data->include_abstract && type->abstract) { |
| 1012 | return; |
| 1013 | } |
| 1014 | |
| 1015 | if (data->implements_type && |
| 1016 | !object_class_dynamic_cast(k, data->implements_type)) { |
| 1017 | return; |
| 1018 | } |
| 1019 | |
| 1020 | data->fn(k, data->opaque); |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 1021 | } |
| 1022 | |
| 1023 | void object_class_foreach(void (*fn)(ObjectClass *klass, void *opaque), |
Anthony Liguori | 93c511a | 2011-12-22 14:11:53 -0600 | [diff] [blame] | 1024 | const char *implements_type, bool include_abstract, |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 1025 | void *opaque) |
| 1026 | { |
Anthony Liguori | 93c511a | 2011-12-22 14:11:53 -0600 | [diff] [blame] | 1027 | OCFData data = { fn, implements_type, include_abstract, opaque }; |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 1028 | |
Hervé Poussineau | f54c19c | 2013-12-03 16:42:00 +0100 | [diff] [blame] | 1029 | enumerating_types = true; |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 1030 | g_hash_table_foreach(type_table_get(), object_class_foreach_tramp, &data); |
Hervé Poussineau | f54c19c | 2013-12-03 16:42:00 +0100 | [diff] [blame] | 1031 | enumerating_types = false; |
Anthony Liguori | 2f28d2f | 2011-12-03 17:10:08 -0600 | [diff] [blame] | 1032 | } |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1033 | |
Peter Crosthwaite | d714b8d | 2015-09-08 17:38:43 +0100 | [diff] [blame] | 1034 | static int do_object_child_foreach(Object *obj, |
| 1035 | int (*fn)(Object *child, void *opaque), |
| 1036 | void *opaque, bool recurse) |
Paolo Bonzini | 32efc53 | 2012-04-11 23:30:20 +0200 | [diff] [blame] | 1037 | { |
Pavel Fedin | b604a85 | 2015-10-13 13:37:45 +0100 | [diff] [blame] | 1038 | GHashTableIter iter; |
| 1039 | ObjectProperty *prop; |
Paolo Bonzini | 32efc53 | 2012-04-11 23:30:20 +0200 | [diff] [blame] | 1040 | int ret = 0; |
| 1041 | |
Pavel Fedin | b604a85 | 2015-10-13 13:37:45 +0100 | [diff] [blame] | 1042 | g_hash_table_iter_init(&iter, obj->properties); |
| 1043 | while (g_hash_table_iter_next(&iter, NULL, (gpointer *)&prop)) { |
Paolo Bonzini | 32efc53 | 2012-04-11 23:30:20 +0200 | [diff] [blame] | 1044 | if (object_property_is_child(prop)) { |
Peter Crosthwaite | d714b8d | 2015-09-08 17:38:43 +0100 | [diff] [blame] | 1045 | Object *child = prop->opaque; |
| 1046 | |
| 1047 | ret = fn(child, opaque); |
Paolo Bonzini | 32efc53 | 2012-04-11 23:30:20 +0200 | [diff] [blame] | 1048 | if (ret != 0) { |
| 1049 | break; |
| 1050 | } |
Peter Crosthwaite | d714b8d | 2015-09-08 17:38:43 +0100 | [diff] [blame] | 1051 | if (recurse) { |
Cédric Le Goater | 4a39181 | 2020-04-04 17:33:40 +0200 | [diff] [blame] | 1052 | ret = do_object_child_foreach(child, fn, opaque, true); |
| 1053 | if (ret != 0) { |
| 1054 | break; |
| 1055 | } |
Peter Crosthwaite | d714b8d | 2015-09-08 17:38:43 +0100 | [diff] [blame] | 1056 | } |
Paolo Bonzini | 32efc53 | 2012-04-11 23:30:20 +0200 | [diff] [blame] | 1057 | } |
| 1058 | } |
| 1059 | return ret; |
| 1060 | } |
| 1061 | |
Peter Crosthwaite | d714b8d | 2015-09-08 17:38:43 +0100 | [diff] [blame] | 1062 | int object_child_foreach(Object *obj, int (*fn)(Object *child, void *opaque), |
| 1063 | void *opaque) |
| 1064 | { |
| 1065 | return do_object_child_foreach(obj, fn, opaque, false); |
| 1066 | } |
| 1067 | |
| 1068 | int object_child_foreach_recursive(Object *obj, |
| 1069 | int (*fn)(Object *child, void *opaque), |
| 1070 | void *opaque) |
| 1071 | { |
| 1072 | return do_object_child_foreach(obj, fn, opaque, true); |
| 1073 | } |
| 1074 | |
Andreas Färber | 418ba9e | 2012-02-25 23:07:34 +0100 | [diff] [blame] | 1075 | static void object_class_get_list_tramp(ObjectClass *klass, void *opaque) |
| 1076 | { |
| 1077 | GSList **list = opaque; |
| 1078 | |
| 1079 | *list = g_slist_prepend(*list, klass); |
| 1080 | } |
| 1081 | |
| 1082 | GSList *object_class_get_list(const char *implements_type, |
| 1083 | bool include_abstract) |
| 1084 | { |
| 1085 | GSList *list = NULL; |
| 1086 | |
| 1087 | object_class_foreach(object_class_get_list_tramp, |
| 1088 | implements_type, include_abstract, &list); |
| 1089 | return list; |
| 1090 | } |
| 1091 | |
Paolo Bonzini | 47c6600 | 2018-03-03 08:33:10 +0100 | [diff] [blame] | 1092 | static gint object_class_cmp(gconstpointer a, gconstpointer b) |
| 1093 | { |
| 1094 | return strcasecmp(object_class_get_name((ObjectClass *)a), |
| 1095 | object_class_get_name((ObjectClass *)b)); |
| 1096 | } |
| 1097 | |
| 1098 | GSList *object_class_get_list_sorted(const char *implements_type, |
| 1099 | bool include_abstract) |
| 1100 | { |
| 1101 | return g_slist_sort(object_class_get_list(implements_type, include_abstract), |
| 1102 | object_class_cmp); |
| 1103 | } |
| 1104 | |
Marc-André Lureau | b77ade9 | 2020-01-10 19:30:31 +0400 | [diff] [blame] | 1105 | Object *object_ref(Object *obj) |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1106 | { |
Peter Crosthwaite | 8ffad85 | 2014-06-05 23:13:36 -0700 | [diff] [blame] | 1107 | if (!obj) { |
Marc-André Lureau | b77ade9 | 2020-01-10 19:30:31 +0400 | [diff] [blame] | 1108 | return NULL; |
Peter Crosthwaite | 8ffad85 | 2014-06-05 23:13:36 -0700 | [diff] [blame] | 1109 | } |
Andreas Färber | 8438a13 | 2015-11-16 17:49:20 +0100 | [diff] [blame] | 1110 | atomic_inc(&obj->ref); |
Marc-André Lureau | b77ade9 | 2020-01-10 19:30:31 +0400 | [diff] [blame] | 1111 | return obj; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1112 | } |
| 1113 | |
| 1114 | void object_unref(Object *obj) |
| 1115 | { |
Peter Crosthwaite | 8ffad85 | 2014-06-05 23:13:36 -0700 | [diff] [blame] | 1116 | if (!obj) { |
| 1117 | return; |
| 1118 | } |
Markus Armbruster | 719a307 | 2018-06-08 19:02:31 +0200 | [diff] [blame] | 1119 | g_assert(obj->ref > 0); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1120 | |
| 1121 | /* parent always holds a reference to its children */ |
Jan Kiszka | f08c03f | 2013-07-02 11:36:39 +0200 | [diff] [blame] | 1122 | if (atomic_fetch_dec(&obj->ref) == 1) { |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1123 | object_finalize(obj); |
| 1124 | } |
| 1125 | } |
| 1126 | |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 1127 | static ObjectProperty * |
| 1128 | object_property_try_add(Object *obj, const char *name, const char *type, |
| 1129 | ObjectPropertyAccessor *get, |
| 1130 | ObjectPropertyAccessor *set, |
| 1131 | ObjectPropertyRelease *release, |
| 1132 | void *opaque, Error **errp) |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1133 | { |
Peter Maydell | 54852b0 | 2013-03-25 13:15:13 +0000 | [diff] [blame] | 1134 | ObjectProperty *prop; |
Peter Crosthwaite | 3396590 | 2014-08-19 23:55:52 -0700 | [diff] [blame] | 1135 | size_t name_len = strlen(name); |
| 1136 | |
| 1137 | if (name_len >= 3 && !memcmp(name + name_len - 3, "[*]", 4)) { |
| 1138 | int i; |
| 1139 | ObjectProperty *ret; |
| 1140 | char *name_no_array = g_strdup(name); |
| 1141 | |
| 1142 | name_no_array[name_len - 3] = '\0'; |
| 1143 | for (i = 0; ; ++i) { |
| 1144 | char *full_name = g_strdup_printf("%s[%d]", name_no_array, i); |
| 1145 | |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 1146 | ret = object_property_try_add(obj, full_name, type, get, set, |
| 1147 | release, opaque, NULL); |
Peter Crosthwaite | 3396590 | 2014-08-19 23:55:52 -0700 | [diff] [blame] | 1148 | g_free(full_name); |
| 1149 | if (ret) { |
| 1150 | break; |
| 1151 | } |
| 1152 | } |
| 1153 | g_free(name_no_array); |
| 1154 | return ret; |
| 1155 | } |
Peter Maydell | 54852b0 | 2013-03-25 13:15:13 +0000 | [diff] [blame] | 1156 | |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 1157 | if (object_property_find(obj, name, NULL) != NULL) { |
Greg Kurz | d55e937 | 2019-11-04 14:23:55 +0100 | [diff] [blame] | 1158 | error_setg(errp, "attempt to add duplicate property '%s' to object (type '%s')", |
| 1159 | name, object_get_typename(obj)); |
Pavel Fedin | b604a85 | 2015-10-13 13:37:45 +0100 | [diff] [blame] | 1160 | return NULL; |
Peter Maydell | 54852b0 | 2013-03-25 13:15:13 +0000 | [diff] [blame] | 1161 | } |
| 1162 | |
| 1163 | prop = g_malloc0(sizeof(*prop)); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1164 | |
| 1165 | prop->name = g_strdup(name); |
| 1166 | prop->type = g_strdup(type); |
| 1167 | |
| 1168 | prop->get = get; |
| 1169 | prop->set = set; |
| 1170 | prop->release = release; |
| 1171 | prop->opaque = opaque; |
| 1172 | |
Pavel Fedin | b604a85 | 2015-10-13 13:37:45 +0100 | [diff] [blame] | 1173 | g_hash_table_insert(obj->properties, prop->name, prop); |
Paolo Bonzini | 64607d0 | 2014-06-05 13:11:51 +0200 | [diff] [blame] | 1174 | return prop; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1175 | } |
| 1176 | |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 1177 | ObjectProperty * |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 1178 | object_property_add(Object *obj, const char *name, const char *type, |
| 1179 | ObjectPropertyAccessor *get, |
| 1180 | ObjectPropertyAccessor *set, |
| 1181 | ObjectPropertyRelease *release, |
| 1182 | void *opaque) |
| 1183 | { |
| 1184 | return object_property_try_add(obj, name, type, get, set, release, |
| 1185 | opaque, &error_abort); |
| 1186 | } |
| 1187 | |
| 1188 | ObjectProperty * |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 1189 | object_class_property_add(ObjectClass *klass, |
| 1190 | const char *name, |
| 1191 | const char *type, |
| 1192 | ObjectPropertyAccessor *get, |
| 1193 | ObjectPropertyAccessor *set, |
| 1194 | ObjectPropertyRelease *release, |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 1195 | void *opaque) |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 1196 | { |
| 1197 | ObjectProperty *prop; |
| 1198 | |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 1199 | assert(!object_class_property_find(klass, name, NULL)); |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 1200 | |
| 1201 | prop = g_malloc0(sizeof(*prop)); |
| 1202 | |
| 1203 | prop->name = g_strdup(name); |
| 1204 | prop->type = g_strdup(type); |
| 1205 | |
| 1206 | prop->get = get; |
| 1207 | prop->set = set; |
| 1208 | prop->release = release; |
| 1209 | prop->opaque = opaque; |
| 1210 | |
Marc-André Lureau | ba806ff | 2020-01-10 19:30:18 +0400 | [diff] [blame] | 1211 | g_hash_table_insert(klass->properties, prop->name, prop); |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 1212 | |
| 1213 | return prop; |
| 1214 | } |
| 1215 | |
Paolo Bonzini | 89bfe00 | 2012-04-12 18:00:18 +0200 | [diff] [blame] | 1216 | ObjectProperty *object_property_find(Object *obj, const char *name, |
| 1217 | Error **errp) |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1218 | { |
| 1219 | ObjectProperty *prop; |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 1220 | ObjectClass *klass = object_get_class(obj); |
| 1221 | |
| 1222 | prop = object_class_property_find(klass, name, NULL); |
| 1223 | if (prop) { |
| 1224 | return prop; |
| 1225 | } |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1226 | |
Pavel Fedin | b604a85 | 2015-10-13 13:37:45 +0100 | [diff] [blame] | 1227 | prop = g_hash_table_lookup(obj->properties, name); |
| 1228 | if (prop) { |
| 1229 | return prop; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1230 | } |
| 1231 | |
Cole Robinson | f231b88 | 2014-03-21 19:42:26 -0400 | [diff] [blame] | 1232 | error_setg(errp, "Property '.%s' not found", name); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1233 | return NULL; |
| 1234 | } |
| 1235 | |
Daniel P. Berrange | 7746abd | 2015-12-09 12:34:02 +0000 | [diff] [blame] | 1236 | void object_property_iter_init(ObjectPropertyIterator *iter, |
| 1237 | Object *obj) |
Daniel P. Berrange | a00c948 | 2015-10-13 13:37:40 +0100 | [diff] [blame] | 1238 | { |
Daniel P. Berrange | 7746abd | 2015-12-09 12:34:02 +0000 | [diff] [blame] | 1239 | g_hash_table_iter_init(&iter->iter, obj->properties); |
| 1240 | iter->nextclass = object_get_class(obj); |
Daniel P. Berrange | a00c948 | 2015-10-13 13:37:40 +0100 | [diff] [blame] | 1241 | } |
| 1242 | |
| 1243 | ObjectProperty *object_property_iter_next(ObjectPropertyIterator *iter) |
| 1244 | { |
Pavel Fedin | b604a85 | 2015-10-13 13:37:45 +0100 | [diff] [blame] | 1245 | gpointer key, val; |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 1246 | while (!g_hash_table_iter_next(&iter->iter, &key, &val)) { |
| 1247 | if (!iter->nextclass) { |
| 1248 | return NULL; |
| 1249 | } |
| 1250 | g_hash_table_iter_init(&iter->iter, iter->nextclass->properties); |
| 1251 | iter->nextclass = object_class_get_parent(iter->nextclass); |
Daniel P. Berrange | a00c948 | 2015-10-13 13:37:40 +0100 | [diff] [blame] | 1252 | } |
Pavel Fedin | b604a85 | 2015-10-13 13:37:45 +0100 | [diff] [blame] | 1253 | return val; |
Daniel P. Berrange | a00c948 | 2015-10-13 13:37:40 +0100 | [diff] [blame] | 1254 | } |
| 1255 | |
Alexey Kardashevskiy | 961c47b | 2018-03-02 00:09:39 +1100 | [diff] [blame] | 1256 | void object_class_property_iter_init(ObjectPropertyIterator *iter, |
| 1257 | ObjectClass *klass) |
| 1258 | { |
| 1259 | g_hash_table_iter_init(&iter->iter, klass->properties); |
Marc-André Lureau | 684546d | 2018-09-06 17:37:36 +0400 | [diff] [blame] | 1260 | iter->nextclass = object_class_get_parent(klass); |
Alexey Kardashevskiy | 961c47b | 2018-03-02 00:09:39 +1100 | [diff] [blame] | 1261 | } |
| 1262 | |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 1263 | ObjectProperty *object_class_property_find(ObjectClass *klass, const char *name, |
| 1264 | Error **errp) |
| 1265 | { |
| 1266 | ObjectProperty *prop; |
| 1267 | ObjectClass *parent_klass; |
| 1268 | |
| 1269 | parent_klass = object_class_get_parent(klass); |
| 1270 | if (parent_klass) { |
| 1271 | prop = object_class_property_find(parent_klass, name, NULL); |
| 1272 | if (prop) { |
| 1273 | return prop; |
| 1274 | } |
| 1275 | } |
| 1276 | |
| 1277 | prop = g_hash_table_lookup(klass->properties, name); |
| 1278 | if (!prop) { |
| 1279 | error_setg(errp, "Property '.%s' not found", name); |
| 1280 | } |
| 1281 | return prop; |
| 1282 | } |
| 1283 | |
Markus Armbruster | df4fe0b | 2020-05-05 17:29:26 +0200 | [diff] [blame] | 1284 | void object_property_del(Object *obj, const char *name) |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1285 | { |
Pavel Fedin | b604a85 | 2015-10-13 13:37:45 +0100 | [diff] [blame] | 1286 | ObjectProperty *prop = g_hash_table_lookup(obj->properties, name); |
| 1287 | |
Anthony Liguori | 0866aca | 2011-12-23 15:34:39 -0600 | [diff] [blame] | 1288 | if (prop->release) { |
| 1289 | prop->release(obj, name, prop->opaque); |
| 1290 | } |
Pavel Fedin | b604a85 | 2015-10-13 13:37:45 +0100 | [diff] [blame] | 1291 | g_hash_table_remove(obj->properties, name); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1292 | } |
| 1293 | |
| 1294 | void object_property_get(Object *obj, Visitor *v, const char *name, |
| 1295 | Error **errp) |
| 1296 | { |
Paolo Bonzini | 89bfe00 | 2012-04-12 18:00:18 +0200 | [diff] [blame] | 1297 | ObjectProperty *prop = object_property_find(obj, name, errp); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1298 | if (prop == NULL) { |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1299 | return; |
| 1300 | } |
| 1301 | |
| 1302 | if (!prop->get) { |
Markus Armbruster | c6bd8c7 | 2015-03-17 11:54:50 +0100 | [diff] [blame] | 1303 | error_setg(errp, QERR_PERMISSION_DENIED); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1304 | } else { |
Eric Blake | d7bce99 | 2016-01-29 06:48:55 -0700 | [diff] [blame] | 1305 | prop->get(obj, v, name, prop->opaque, errp); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1306 | } |
| 1307 | } |
| 1308 | |
| 1309 | void object_property_set(Object *obj, Visitor *v, const char *name, |
| 1310 | Error **errp) |
| 1311 | { |
Paolo Bonzini | 89bfe00 | 2012-04-12 18:00:18 +0200 | [diff] [blame] | 1312 | ObjectProperty *prop = object_property_find(obj, name, errp); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1313 | if (prop == NULL) { |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1314 | return; |
| 1315 | } |
| 1316 | |
| 1317 | if (!prop->set) { |
Markus Armbruster | c6bd8c7 | 2015-03-17 11:54:50 +0100 | [diff] [blame] | 1318 | error_setg(errp, QERR_PERMISSION_DENIED); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1319 | } else { |
Eric Blake | d7bce99 | 2016-01-29 06:48:55 -0700 | [diff] [blame] | 1320 | prop->set(obj, v, name, prop->opaque, errp); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1321 | } |
| 1322 | } |
| 1323 | |
Paolo Bonzini | 7b7b7d1 | 2012-02-01 17:16:22 +0100 | [diff] [blame] | 1324 | void object_property_set_str(Object *obj, const char *value, |
| 1325 | const char *name, Error **errp) |
| 1326 | { |
| 1327 | QString *qstr = qstring_from_str(value); |
| 1328 | object_property_set_qobject(obj, QOBJECT(qstr), name, errp); |
| 1329 | |
Marc-André Lureau | cb3e7f0 | 2018-04-19 17:01:43 +0200 | [diff] [blame] | 1330 | qobject_unref(qstr); |
Paolo Bonzini | 7b7b7d1 | 2012-02-01 17:16:22 +0100 | [diff] [blame] | 1331 | } |
| 1332 | |
| 1333 | char *object_property_get_str(Object *obj, const char *name, |
| 1334 | Error **errp) |
| 1335 | { |
| 1336 | QObject *ret = object_property_get_qobject(obj, name, errp); |
Paolo Bonzini | 7b7b7d1 | 2012-02-01 17:16:22 +0100 | [diff] [blame] | 1337 | char *retval; |
| 1338 | |
| 1339 | if (!ret) { |
| 1340 | return NULL; |
| 1341 | } |
Peter Xu | aafb21a | 2018-03-09 16:59:47 +0800 | [diff] [blame] | 1342 | |
| 1343 | retval = g_strdup(qobject_get_try_str(ret)); |
| 1344 | if (!retval) { |
Markus Armbruster | c6bd8c7 | 2015-03-17 11:54:50 +0100 | [diff] [blame] | 1345 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name, "string"); |
Paolo Bonzini | 7b7b7d1 | 2012-02-01 17:16:22 +0100 | [diff] [blame] | 1346 | } |
| 1347 | |
Marc-André Lureau | cb3e7f0 | 2018-04-19 17:01:43 +0200 | [diff] [blame] | 1348 | qobject_unref(ret); |
Paolo Bonzini | 7b7b7d1 | 2012-02-01 17:16:22 +0100 | [diff] [blame] | 1349 | return retval; |
| 1350 | } |
| 1351 | |
Paolo Bonzini | 1d9c5a1 | 2012-02-02 10:51:57 +0100 | [diff] [blame] | 1352 | void object_property_set_link(Object *obj, Object *value, |
| 1353 | const char *name, Error **errp) |
| 1354 | { |
Peter Crosthwaite | d3c4931 | 2014-09-25 22:19:19 -0700 | [diff] [blame] | 1355 | if (value) { |
Markus Armbruster | ddfb0ba | 2020-05-05 17:29:10 +0200 | [diff] [blame] | 1356 | char *path = object_get_canonical_path(value); |
Peter Crosthwaite | d3c4931 | 2014-09-25 22:19:19 -0700 | [diff] [blame] | 1357 | object_property_set_str(obj, path, name, errp); |
| 1358 | g_free(path); |
| 1359 | } else { |
| 1360 | object_property_set_str(obj, "", name, errp); |
| 1361 | } |
Paolo Bonzini | 1d9c5a1 | 2012-02-02 10:51:57 +0100 | [diff] [blame] | 1362 | } |
| 1363 | |
| 1364 | Object *object_property_get_link(Object *obj, const char *name, |
| 1365 | Error **errp) |
| 1366 | { |
| 1367 | char *str = object_property_get_str(obj, name, errp); |
| 1368 | Object *target = NULL; |
| 1369 | |
| 1370 | if (str && *str) { |
| 1371 | target = object_resolve_path(str, NULL); |
| 1372 | if (!target) { |
Markus Armbruster | 75158eb | 2015-03-16 08:57:47 +0100 | [diff] [blame] | 1373 | error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND, |
| 1374 | "Device '%s' not found", str); |
Paolo Bonzini | 1d9c5a1 | 2012-02-02 10:51:57 +0100 | [diff] [blame] | 1375 | } |
| 1376 | } |
| 1377 | |
| 1378 | g_free(str); |
| 1379 | return target; |
| 1380 | } |
| 1381 | |
Paolo Bonzini | 7b7b7d1 | 2012-02-01 17:16:22 +0100 | [diff] [blame] | 1382 | void object_property_set_bool(Object *obj, bool value, |
| 1383 | const char *name, Error **errp) |
| 1384 | { |
Eric Blake | fc48ffc | 2015-05-15 16:24:59 -0600 | [diff] [blame] | 1385 | QBool *qbool = qbool_from_bool(value); |
Paolo Bonzini | 7b7b7d1 | 2012-02-01 17:16:22 +0100 | [diff] [blame] | 1386 | object_property_set_qobject(obj, QOBJECT(qbool), name, errp); |
| 1387 | |
Marc-André Lureau | cb3e7f0 | 2018-04-19 17:01:43 +0200 | [diff] [blame] | 1388 | qobject_unref(qbool); |
Paolo Bonzini | 7b7b7d1 | 2012-02-01 17:16:22 +0100 | [diff] [blame] | 1389 | } |
| 1390 | |
| 1391 | bool object_property_get_bool(Object *obj, const char *name, |
| 1392 | Error **errp) |
| 1393 | { |
| 1394 | QObject *ret = object_property_get_qobject(obj, name, errp); |
| 1395 | QBool *qbool; |
| 1396 | bool retval; |
| 1397 | |
| 1398 | if (!ret) { |
| 1399 | return false; |
| 1400 | } |
Max Reitz | 7dc847e | 2018-02-24 16:40:29 +0100 | [diff] [blame] | 1401 | qbool = qobject_to(QBool, ret); |
Paolo Bonzini | 7b7b7d1 | 2012-02-01 17:16:22 +0100 | [diff] [blame] | 1402 | if (!qbool) { |
Markus Armbruster | c6bd8c7 | 2015-03-17 11:54:50 +0100 | [diff] [blame] | 1403 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name, "boolean"); |
Paolo Bonzini | 7b7b7d1 | 2012-02-01 17:16:22 +0100 | [diff] [blame] | 1404 | retval = false; |
| 1405 | } else { |
Eric Blake | fc48ffc | 2015-05-15 16:24:59 -0600 | [diff] [blame] | 1406 | retval = qbool_get_bool(qbool); |
Paolo Bonzini | 7b7b7d1 | 2012-02-01 17:16:22 +0100 | [diff] [blame] | 1407 | } |
| 1408 | |
Marc-André Lureau | cb3e7f0 | 2018-04-19 17:01:43 +0200 | [diff] [blame] | 1409 | qobject_unref(ret); |
Paolo Bonzini | 7b7b7d1 | 2012-02-01 17:16:22 +0100 | [diff] [blame] | 1410 | return retval; |
| 1411 | } |
| 1412 | |
| 1413 | void object_property_set_int(Object *obj, int64_t value, |
| 1414 | const char *name, Error **errp) |
| 1415 | { |
Marc-André Lureau | 01b2ffc | 2017-06-07 20:35:58 +0400 | [diff] [blame] | 1416 | QNum *qnum = qnum_from_int(value); |
| 1417 | object_property_set_qobject(obj, QOBJECT(qnum), name, errp); |
Paolo Bonzini | 7b7b7d1 | 2012-02-01 17:16:22 +0100 | [diff] [blame] | 1418 | |
Marc-André Lureau | cb3e7f0 | 2018-04-19 17:01:43 +0200 | [diff] [blame] | 1419 | qobject_unref(qnum); |
Paolo Bonzini | 7b7b7d1 | 2012-02-01 17:16:22 +0100 | [diff] [blame] | 1420 | } |
| 1421 | |
| 1422 | int64_t object_property_get_int(Object *obj, const char *name, |
| 1423 | Error **errp) |
| 1424 | { |
| 1425 | QObject *ret = object_property_get_qobject(obj, name, errp); |
Marc-André Lureau | 01b2ffc | 2017-06-07 20:35:58 +0400 | [diff] [blame] | 1426 | QNum *qnum; |
Paolo Bonzini | 7b7b7d1 | 2012-02-01 17:16:22 +0100 | [diff] [blame] | 1427 | int64_t retval; |
| 1428 | |
| 1429 | if (!ret) { |
| 1430 | return -1; |
| 1431 | } |
Marc-André Lureau | 01b2ffc | 2017-06-07 20:35:58 +0400 | [diff] [blame] | 1432 | |
Max Reitz | 7dc847e | 2018-02-24 16:40:29 +0100 | [diff] [blame] | 1433 | qnum = qobject_to(QNum, ret); |
Marc-André Lureau | 01b2ffc | 2017-06-07 20:35:58 +0400 | [diff] [blame] | 1434 | if (!qnum || !qnum_get_try_int(qnum, &retval)) { |
Markus Armbruster | c6bd8c7 | 2015-03-17 11:54:50 +0100 | [diff] [blame] | 1435 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name, "int"); |
Paolo Bonzini | 7b7b7d1 | 2012-02-01 17:16:22 +0100 | [diff] [blame] | 1436 | retval = -1; |
Paolo Bonzini | 7b7b7d1 | 2012-02-01 17:16:22 +0100 | [diff] [blame] | 1437 | } |
| 1438 | |
Marc-André Lureau | cb3e7f0 | 2018-04-19 17:01:43 +0200 | [diff] [blame] | 1439 | qobject_unref(ret); |
Paolo Bonzini | 7b7b7d1 | 2012-02-01 17:16:22 +0100 | [diff] [blame] | 1440 | return retval; |
| 1441 | } |
| 1442 | |
Marc-André Lureau | 0e76ed0 | 2020-01-10 19:30:23 +0400 | [diff] [blame] | 1443 | static void object_property_init_defval(Object *obj, ObjectProperty *prop) |
| 1444 | { |
| 1445 | Visitor *v = qobject_input_visitor_new(prop->defval); |
| 1446 | |
| 1447 | assert(prop->set != NULL); |
| 1448 | prop->set(obj, v, prop->name, prop->opaque, &error_abort); |
| 1449 | |
| 1450 | visit_free(v); |
| 1451 | } |
| 1452 | |
| 1453 | static void object_property_set_default(ObjectProperty *prop, QObject *defval) |
| 1454 | { |
| 1455 | assert(!prop->defval); |
| 1456 | assert(!prop->init); |
| 1457 | |
| 1458 | prop->defval = defval; |
| 1459 | prop->init = object_property_init_defval; |
| 1460 | } |
| 1461 | |
| 1462 | void object_property_set_default_bool(ObjectProperty *prop, bool value) |
| 1463 | { |
| 1464 | object_property_set_default(prop, QOBJECT(qbool_from_bool(value))); |
| 1465 | } |
| 1466 | |
| 1467 | void object_property_set_default_str(ObjectProperty *prop, const char *value) |
| 1468 | { |
| 1469 | object_property_set_default(prop, QOBJECT(qstring_from_str(value))); |
| 1470 | } |
| 1471 | |
| 1472 | void object_property_set_default_int(ObjectProperty *prop, int64_t value) |
| 1473 | { |
| 1474 | object_property_set_default(prop, QOBJECT(qnum_from_int(value))); |
| 1475 | } |
| 1476 | |
| 1477 | void object_property_set_default_uint(ObjectProperty *prop, uint64_t value) |
| 1478 | { |
| 1479 | object_property_set_default(prop, QOBJECT(qnum_from_uint(value))); |
| 1480 | } |
| 1481 | |
Marc-André Lureau | 3152779 | 2017-06-07 20:36:04 +0400 | [diff] [blame] | 1482 | void object_property_set_uint(Object *obj, uint64_t value, |
| 1483 | const char *name, Error **errp) |
| 1484 | { |
| 1485 | QNum *qnum = qnum_from_uint(value); |
| 1486 | |
| 1487 | object_property_set_qobject(obj, QOBJECT(qnum), name, errp); |
Marc-André Lureau | cb3e7f0 | 2018-04-19 17:01:43 +0200 | [diff] [blame] | 1488 | qobject_unref(qnum); |
Marc-André Lureau | 3152779 | 2017-06-07 20:36:04 +0400 | [diff] [blame] | 1489 | } |
| 1490 | |
| 1491 | uint64_t object_property_get_uint(Object *obj, const char *name, |
| 1492 | Error **errp) |
| 1493 | { |
| 1494 | QObject *ret = object_property_get_qobject(obj, name, errp); |
| 1495 | QNum *qnum; |
| 1496 | uint64_t retval; |
| 1497 | |
| 1498 | if (!ret) { |
| 1499 | return 0; |
| 1500 | } |
Max Reitz | 7dc847e | 2018-02-24 16:40:29 +0100 | [diff] [blame] | 1501 | qnum = qobject_to(QNum, ret); |
Marc-André Lureau | 3152779 | 2017-06-07 20:36:04 +0400 | [diff] [blame] | 1502 | if (!qnum || !qnum_get_try_uint(qnum, &retval)) { |
| 1503 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name, "uint"); |
| 1504 | retval = 0; |
| 1505 | } |
| 1506 | |
Marc-André Lureau | cb3e7f0 | 2018-04-19 17:01:43 +0200 | [diff] [blame] | 1507 | qobject_unref(ret); |
Marc-André Lureau | 3152779 | 2017-06-07 20:36:04 +0400 | [diff] [blame] | 1508 | return retval; |
| 1509 | } |
| 1510 | |
Daniel P. Berrange | a8e3fbe | 2015-05-13 17:14:08 +0100 | [diff] [blame] | 1511 | typedef struct EnumProperty { |
Marc-André Lureau | f7abe0e | 2017-08-24 10:46:10 +0200 | [diff] [blame] | 1512 | const QEnumLookup *lookup; |
Daniel P. Berrange | a8e3fbe | 2015-05-13 17:14:08 +0100 | [diff] [blame] | 1513 | int (*get)(Object *, Error **); |
| 1514 | void (*set)(Object *, int, Error **); |
| 1515 | } EnumProperty; |
| 1516 | |
Hu Tao | 1f21772 | 2014-05-14 17:43:33 +0800 | [diff] [blame] | 1517 | int object_property_get_enum(Object *obj, const char *name, |
Daniel P. Berrange | a3590da | 2015-05-27 16:07:56 +0100 | [diff] [blame] | 1518 | const char *typename, Error **errp) |
Hu Tao | 1f21772 | 2014-05-14 17:43:33 +0800 | [diff] [blame] | 1519 | { |
Chen Fan | 976620a | 2014-08-18 14:46:34 +0800 | [diff] [blame] | 1520 | char *str; |
Hu Tao | 1f21772 | 2014-05-14 17:43:33 +0800 | [diff] [blame] | 1521 | int ret; |
Daniel P. Berrange | a3590da | 2015-05-27 16:07:56 +0100 | [diff] [blame] | 1522 | ObjectProperty *prop = object_property_find(obj, name, errp); |
| 1523 | EnumProperty *enumprop; |
| 1524 | |
| 1525 | if (prop == NULL) { |
| 1526 | return 0; |
| 1527 | } |
| 1528 | |
| 1529 | if (!g_str_equal(prop->type, typename)) { |
| 1530 | error_setg(errp, "Property %s on %s is not '%s' enum type", |
| 1531 | name, object_class_get_name( |
| 1532 | object_get_class(obj)), typename); |
| 1533 | return 0; |
| 1534 | } |
| 1535 | |
| 1536 | enumprop = prop->opaque; |
Hu Tao | 1f21772 | 2014-05-14 17:43:33 +0800 | [diff] [blame] | 1537 | |
Markus Armbruster | b555f89 | 2020-05-05 17:29:12 +0200 | [diff] [blame] | 1538 | str = object_property_get_str(obj, name, errp); |
| 1539 | if (!str) { |
Markus Armbruster | 4715d42 | 2015-08-25 20:00:45 +0200 | [diff] [blame] | 1540 | return 0; |
| 1541 | } |
Chen Fan | 976620a | 2014-08-18 14:46:34 +0800 | [diff] [blame] | 1542 | |
Markus Armbruster | ea097df | 2020-04-24 10:43:36 +0200 | [diff] [blame] | 1543 | ret = qapi_enum_parse(enumprop->lookup, str, -1, errp); |
Chen Fan | 976620a | 2014-08-18 14:46:34 +0800 | [diff] [blame] | 1544 | g_free(str); |
Hu Tao | 1f21772 | 2014-05-14 17:43:33 +0800 | [diff] [blame] | 1545 | |
| 1546 | return ret; |
| 1547 | } |
| 1548 | |
Paolo Bonzini | b2cd7de | 2012-02-09 09:52:59 +0100 | [diff] [blame] | 1549 | void object_property_parse(Object *obj, const char *string, |
| 1550 | const char *name, Error **errp) |
| 1551 | { |
Eric Blake | 7a0525c | 2016-06-09 10:48:37 -0600 | [diff] [blame] | 1552 | Visitor *v = string_input_visitor_new(string); |
| 1553 | object_property_set(obj, v, name, errp); |
| 1554 | visit_free(v); |
Paolo Bonzini | b2cd7de | 2012-02-09 09:52:59 +0100 | [diff] [blame] | 1555 | } |
| 1556 | |
Paolo Bonzini | 0b7593e | 2014-02-08 11:01:50 +0100 | [diff] [blame] | 1557 | char *object_property_print(Object *obj, const char *name, bool human, |
Paolo Bonzini | b2cd7de | 2012-02-09 09:52:59 +0100 | [diff] [blame] | 1558 | Error **errp) |
| 1559 | { |
Eric Blake | 3b098d5 | 2016-06-09 10:48:43 -0600 | [diff] [blame] | 1560 | Visitor *v; |
Gonglei | 3a53009 | 2014-09-27 13:13:55 +0800 | [diff] [blame] | 1561 | char *string = NULL; |
| 1562 | Error *local_err = NULL; |
Paolo Bonzini | b2cd7de | 2012-02-09 09:52:59 +0100 | [diff] [blame] | 1563 | |
Eric Blake | 3b098d5 | 2016-06-09 10:48:43 -0600 | [diff] [blame] | 1564 | v = string_output_visitor_new(human, &string); |
| 1565 | object_property_get(obj, v, name, &local_err); |
Gonglei | 3a53009 | 2014-09-27 13:13:55 +0800 | [diff] [blame] | 1566 | if (local_err) { |
| 1567 | error_propagate(errp, local_err); |
| 1568 | goto out; |
| 1569 | } |
| 1570 | |
Eric Blake | 3b098d5 | 2016-06-09 10:48:43 -0600 | [diff] [blame] | 1571 | visit_complete(v, &string); |
Gonglei | 3a53009 | 2014-09-27 13:13:55 +0800 | [diff] [blame] | 1572 | |
| 1573 | out: |
Eric Blake | 3b098d5 | 2016-06-09 10:48:43 -0600 | [diff] [blame] | 1574 | visit_free(v); |
Paolo Bonzini | b2cd7de | 2012-02-09 09:52:59 +0100 | [diff] [blame] | 1575 | return string; |
| 1576 | } |
| 1577 | |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1578 | const char *object_property_get_type(Object *obj, const char *name, Error **errp) |
| 1579 | { |
Paolo Bonzini | 89bfe00 | 2012-04-12 18:00:18 +0200 | [diff] [blame] | 1580 | ObjectProperty *prop = object_property_find(obj, name, errp); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1581 | if (prop == NULL) { |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1582 | return NULL; |
| 1583 | } |
| 1584 | |
| 1585 | return prop->type; |
| 1586 | } |
| 1587 | |
| 1588 | Object *object_get_root(void) |
| 1589 | { |
Anthony Liguori | 8b45d44 | 2011-12-23 09:08:05 -0600 | [diff] [blame] | 1590 | static Object *root; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1591 | |
Anthony Liguori | 8b45d44 | 2011-12-23 09:08:05 -0600 | [diff] [blame] | 1592 | if (!root) { |
| 1593 | root = object_new("container"); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1594 | } |
| 1595 | |
Anthony Liguori | 8b45d44 | 2011-12-23 09:08:05 -0600 | [diff] [blame] | 1596 | return root; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1597 | } |
| 1598 | |
Daniel P. Berrange | bc2256c | 2015-05-13 17:14:05 +0100 | [diff] [blame] | 1599 | Object *object_get_objects_root(void) |
| 1600 | { |
| 1601 | return container_get(object_get_root(), "/objects"); |
| 1602 | } |
| 1603 | |
Peter Xu | 7c47c4e | 2017-09-28 10:59:54 +0800 | [diff] [blame] | 1604 | Object *object_get_internal_root(void) |
| 1605 | { |
| 1606 | static Object *internal_root; |
| 1607 | |
| 1608 | if (!internal_root) { |
| 1609 | internal_root = object_new("container"); |
| 1610 | } |
| 1611 | |
| 1612 | return internal_root; |
| 1613 | } |
| 1614 | |
Eric Blake | d7bce99 | 2016-01-29 06:48:55 -0700 | [diff] [blame] | 1615 | static void object_get_child_property(Object *obj, Visitor *v, |
| 1616 | const char *name, void *opaque, |
| 1617 | Error **errp) |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1618 | { |
| 1619 | Object *child = opaque; |
Markus Armbruster | ddfb0ba | 2020-05-05 17:29:10 +0200 | [diff] [blame] | 1620 | char *path; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1621 | |
| 1622 | path = object_get_canonical_path(child); |
Eric Blake | 51e72bc | 2016-01-29 06:48:54 -0700 | [diff] [blame] | 1623 | visit_type_str(v, name, &path, errp); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1624 | g_free(path); |
| 1625 | } |
| 1626 | |
Markus Armbruster | ddfb0ba | 2020-05-05 17:29:10 +0200 | [diff] [blame] | 1627 | static Object *object_resolve_child_property(Object *parent, void *opaque, |
| 1628 | const char *part) |
Paolo Bonzini | 64607d0 | 2014-06-05 13:11:51 +0200 | [diff] [blame] | 1629 | { |
| 1630 | return opaque; |
| 1631 | } |
| 1632 | |
Anthony Liguori | db85b57 | 2011-12-23 08:47:39 -0600 | [diff] [blame] | 1633 | static void object_finalize_child_property(Object *obj, const char *name, |
| 1634 | void *opaque) |
| 1635 | { |
| 1636 | Object *child = opaque; |
| 1637 | |
Paolo Bonzini | bffc687 | 2014-06-11 11:57:38 +0200 | [diff] [blame] | 1638 | if (child->class->unparent) { |
| 1639 | (child->class->unparent)(child); |
| 1640 | } |
| 1641 | child->parent = NULL; |
Anthony Liguori | db85b57 | 2011-12-23 08:47:39 -0600 | [diff] [blame] | 1642 | object_unref(child); |
| 1643 | } |
| 1644 | |
Markus Armbruster | 7025188 | 2020-05-05 17:29:14 +0200 | [diff] [blame] | 1645 | ObjectProperty * |
| 1646 | object_property_add_child(Object *obj, const char *name, |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 1647 | Object *child) |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1648 | { |
Markus Armbruster | 7025188 | 2020-05-05 17:29:14 +0200 | [diff] [blame] | 1649 | g_autofree char *type = NULL; |
Paolo Bonzini | 64607d0 | 2014-06-05 13:11:51 +0200 | [diff] [blame] | 1650 | ObjectProperty *op; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1651 | |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 1652 | assert(!child->parent); |
Peter Crosthwaite | 8faa2f8 | 2014-09-25 22:19:52 -0700 | [diff] [blame] | 1653 | |
Philippe Mathieu-Daudé | 688ffbb | 2020-05-12 09:00:19 +0200 | [diff] [blame] | 1654 | type = g_strdup_printf("child<%s>", object_get_typename(child)); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1655 | |
Paolo Bonzini | 64607d0 | 2014-06-05 13:11:51 +0200 | [diff] [blame] | 1656 | op = object_property_add(obj, name, type, object_get_child_property, NULL, |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 1657 | object_finalize_child_property, child); |
Paolo Bonzini | 64607d0 | 2014-06-05 13:11:51 +0200 | [diff] [blame] | 1658 | op->resolve = object_resolve_child_property; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1659 | object_ref(child); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1660 | child->parent = obj; |
Markus Armbruster | 7025188 | 2020-05-05 17:29:14 +0200 | [diff] [blame] | 1661 | return op; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1662 | } |
| 1663 | |
Igor Mammedov | 8f5d58e | 2017-07-14 10:14:50 +0800 | [diff] [blame] | 1664 | void object_property_allow_set_link(const Object *obj, const char *name, |
Stefan Hajnoczi | 39f72ef | 2014-03-19 08:58:56 +0100 | [diff] [blame] | 1665 | Object *val, Error **errp) |
| 1666 | { |
| 1667 | /* Allow the link to be set, always */ |
| 1668 | } |
| 1669 | |
Stefan Hajnoczi | 9561fda | 2014-03-19 08:58:55 +0100 | [diff] [blame] | 1670 | typedef struct { |
Marc-André Lureau | 9941d37 | 2020-01-10 19:30:27 +0400 | [diff] [blame] | 1671 | union { |
| 1672 | Object **targetp; |
| 1673 | Object *target; /* if OBJ_PROP_LINK_DIRECT, when holding the pointer */ |
Marc-André Lureau | 840ecdf | 2020-01-10 19:30:29 +0400 | [diff] [blame] | 1674 | ptrdiff_t offset; /* if OBJ_PROP_LINK_CLASS */ |
Marc-André Lureau | 9941d37 | 2020-01-10 19:30:27 +0400 | [diff] [blame] | 1675 | }; |
Igor Mammedov | 8f5d58e | 2017-07-14 10:14:50 +0800 | [diff] [blame] | 1676 | void (*check)(const Object *, const char *, Object *, Error **); |
Stefan Hajnoczi | 9561fda | 2014-03-19 08:58:55 +0100 | [diff] [blame] | 1677 | ObjectPropertyLinkFlags flags; |
| 1678 | } LinkProperty; |
| 1679 | |
Marc-André Lureau | 9941d37 | 2020-01-10 19:30:27 +0400 | [diff] [blame] | 1680 | static Object ** |
| 1681 | object_link_get_targetp(Object *obj, LinkProperty *lprop) |
| 1682 | { |
| 1683 | if (lprop->flags & OBJ_PROP_LINK_DIRECT) { |
| 1684 | return &lprop->target; |
Marc-André Lureau | 840ecdf | 2020-01-10 19:30:29 +0400 | [diff] [blame] | 1685 | } else if (lprop->flags & OBJ_PROP_LINK_CLASS) { |
| 1686 | return (void *)obj + lprop->offset; |
Marc-André Lureau | 9941d37 | 2020-01-10 19:30:27 +0400 | [diff] [blame] | 1687 | } else { |
| 1688 | return lprop->targetp; |
| 1689 | } |
| 1690 | } |
| 1691 | |
Eric Blake | d7bce99 | 2016-01-29 06:48:55 -0700 | [diff] [blame] | 1692 | static void object_get_link_property(Object *obj, Visitor *v, |
| 1693 | const char *name, void *opaque, |
| 1694 | Error **errp) |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1695 | { |
Stefan Hajnoczi | 9561fda | 2014-03-19 08:58:55 +0100 | [diff] [blame] | 1696 | LinkProperty *lprop = opaque; |
Marc-André Lureau | 9941d37 | 2020-01-10 19:30:27 +0400 | [diff] [blame] | 1697 | Object **targetp = object_link_get_targetp(obj, lprop); |
Markus Armbruster | ddfb0ba | 2020-05-05 17:29:10 +0200 | [diff] [blame] | 1698 | char *path; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1699 | |
Marc-André Lureau | 3685420 | 2020-01-10 19:30:26 +0400 | [diff] [blame] | 1700 | if (*targetp) { |
| 1701 | path = object_get_canonical_path(*targetp); |
Eric Blake | 51e72bc | 2016-01-29 06:48:54 -0700 | [diff] [blame] | 1702 | visit_type_str(v, name, &path, errp); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1703 | g_free(path); |
| 1704 | } else { |
Markus Armbruster | ddfb0ba | 2020-05-05 17:29:10 +0200 | [diff] [blame] | 1705 | path = (char *)""; |
Eric Blake | 51e72bc | 2016-01-29 06:48:54 -0700 | [diff] [blame] | 1706 | visit_type_str(v, name, &path, errp); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1707 | } |
| 1708 | } |
| 1709 | |
Stefan Hajnoczi | f5ec670 | 2014-03-19 08:58:53 +0100 | [diff] [blame] | 1710 | /* |
| 1711 | * object_resolve_link: |
| 1712 | * |
| 1713 | * Lookup an object and ensure its type matches the link property type. This |
| 1714 | * is similar to object_resolve_path() except type verification against the |
| 1715 | * link property is performed. |
| 1716 | * |
| 1717 | * Returns: The matched object or NULL on path lookup failures. |
| 1718 | */ |
| 1719 | static Object *object_resolve_link(Object *obj, const char *name, |
| 1720 | const char *path, Error **errp) |
| 1721 | { |
| 1722 | const char *type; |
Markus Armbruster | ddfb0ba | 2020-05-05 17:29:10 +0200 | [diff] [blame] | 1723 | char *target_type; |
Stefan Hajnoczi | f5ec670 | 2014-03-19 08:58:53 +0100 | [diff] [blame] | 1724 | bool ambiguous = false; |
| 1725 | Object *target; |
| 1726 | |
| 1727 | /* Go from link<FOO> to FOO. */ |
| 1728 | type = object_property_get_type(obj, name, NULL); |
| 1729 | target_type = g_strndup(&type[5], strlen(type) - 6); |
| 1730 | target = object_resolve_path_type(path, target_type, &ambiguous); |
| 1731 | |
| 1732 | if (ambiguous) { |
Eric Blake | 455b0fd | 2015-11-10 23:51:20 -0700 | [diff] [blame] | 1733 | error_setg(errp, "Path '%s' does not uniquely identify an object", |
| 1734 | path); |
Stefan Hajnoczi | f5ec670 | 2014-03-19 08:58:53 +0100 | [diff] [blame] | 1735 | } else if (!target) { |
| 1736 | target = object_resolve_path(path, &ambiguous); |
| 1737 | if (target || ambiguous) { |
Markus Armbruster | c6bd8c7 | 2015-03-17 11:54:50 +0100 | [diff] [blame] | 1738 | error_setg(errp, QERR_INVALID_PARAMETER_TYPE, name, target_type); |
Stefan Hajnoczi | f5ec670 | 2014-03-19 08:58:53 +0100 | [diff] [blame] | 1739 | } else { |
Markus Armbruster | 75158eb | 2015-03-16 08:57:47 +0100 | [diff] [blame] | 1740 | error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND, |
| 1741 | "Device '%s' not found", path); |
Stefan Hajnoczi | f5ec670 | 2014-03-19 08:58:53 +0100 | [diff] [blame] | 1742 | } |
| 1743 | target = NULL; |
| 1744 | } |
| 1745 | g_free(target_type); |
| 1746 | |
| 1747 | return target; |
| 1748 | } |
| 1749 | |
Eric Blake | d7bce99 | 2016-01-29 06:48:55 -0700 | [diff] [blame] | 1750 | static void object_set_link_property(Object *obj, Visitor *v, |
| 1751 | const char *name, void *opaque, |
| 1752 | Error **errp) |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1753 | { |
Stefan Hajnoczi | c6aed98 | 2014-03-19 08:58:54 +0100 | [diff] [blame] | 1754 | Error *local_err = NULL; |
Stefan Hajnoczi | 9561fda | 2014-03-19 08:58:55 +0100 | [diff] [blame] | 1755 | LinkProperty *prop = opaque; |
Marc-André Lureau | 9941d37 | 2020-01-10 19:30:27 +0400 | [diff] [blame] | 1756 | Object **targetp = object_link_get_targetp(obj, prop); |
Marc-André Lureau | 3685420 | 2020-01-10 19:30:26 +0400 | [diff] [blame] | 1757 | Object *old_target = *targetp; |
Stefan Hajnoczi | c6aed98 | 2014-03-19 08:58:54 +0100 | [diff] [blame] | 1758 | Object *new_target = NULL; |
| 1759 | char *path = NULL; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1760 | |
Eric Blake | 51e72bc | 2016-01-29 06:48:54 -0700 | [diff] [blame] | 1761 | visit_type_str(v, name, &path, &local_err); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1762 | |
Stefan Hajnoczi | c6aed98 | 2014-03-19 08:58:54 +0100 | [diff] [blame] | 1763 | if (!local_err && strcmp(path, "") != 0) { |
| 1764 | new_target = object_resolve_link(obj, name, path, &local_err); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1765 | } |
| 1766 | |
| 1767 | g_free(path); |
Stefan Hajnoczi | c6aed98 | 2014-03-19 08:58:54 +0100 | [diff] [blame] | 1768 | if (local_err) { |
| 1769 | error_propagate(errp, local_err); |
| 1770 | return; |
| 1771 | } |
Alexander Barabash | f0cdc96 | 2012-02-22 19:22:26 +0200 | [diff] [blame] | 1772 | |
Stefan Hajnoczi | 39f72ef | 2014-03-19 08:58:56 +0100 | [diff] [blame] | 1773 | prop->check(obj, name, new_target, &local_err); |
| 1774 | if (local_err) { |
| 1775 | error_propagate(errp, local_err); |
| 1776 | return; |
| 1777 | } |
| 1778 | |
Marc-André Lureau | 3685420 | 2020-01-10 19:30:26 +0400 | [diff] [blame] | 1779 | *targetp = new_target; |
Marc-André Lureau | 8770baf | 2020-01-10 19:30:25 +0400 | [diff] [blame] | 1780 | if (prop->flags & OBJ_PROP_LINK_STRONG) { |
Marc-André Lureau | 265b578 | 2018-05-31 21:51:17 +0200 | [diff] [blame] | 1781 | object_ref(new_target); |
| 1782 | object_unref(old_target); |
| 1783 | } |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1784 | } |
| 1785 | |
Markus Armbruster | ddfb0ba | 2020-05-05 17:29:10 +0200 | [diff] [blame] | 1786 | static Object *object_resolve_link_property(Object *parent, void *opaque, |
| 1787 | const char *part) |
Paolo Bonzini | 64607d0 | 2014-06-05 13:11:51 +0200 | [diff] [blame] | 1788 | { |
| 1789 | LinkProperty *lprop = opaque; |
| 1790 | |
Marc-André Lureau | 9941d37 | 2020-01-10 19:30:27 +0400 | [diff] [blame] | 1791 | return *object_link_get_targetp(parent, lprop); |
Paolo Bonzini | 64607d0 | 2014-06-05 13:11:51 +0200 | [diff] [blame] | 1792 | } |
| 1793 | |
Stefan Hajnoczi | 9561fda | 2014-03-19 08:58:55 +0100 | [diff] [blame] | 1794 | static void object_release_link_property(Object *obj, const char *name, |
| 1795 | void *opaque) |
| 1796 | { |
| 1797 | LinkProperty *prop = opaque; |
Marc-André Lureau | 9941d37 | 2020-01-10 19:30:27 +0400 | [diff] [blame] | 1798 | Object **targetp = object_link_get_targetp(obj, prop); |
Stefan Hajnoczi | 9561fda | 2014-03-19 08:58:55 +0100 | [diff] [blame] | 1799 | |
Marc-André Lureau | 9941d37 | 2020-01-10 19:30:27 +0400 | [diff] [blame] | 1800 | if ((prop->flags & OBJ_PROP_LINK_STRONG) && *targetp) { |
| 1801 | object_unref(*targetp); |
Stefan Hajnoczi | 9561fda | 2014-03-19 08:58:55 +0100 | [diff] [blame] | 1802 | } |
Marc-André Lureau | 840ecdf | 2020-01-10 19:30:29 +0400 | [diff] [blame] | 1803 | if (!(prop->flags & OBJ_PROP_LINK_CLASS)) { |
| 1804 | g_free(prop); |
| 1805 | } |
Stefan Hajnoczi | 9561fda | 2014-03-19 08:58:55 +0100 | [diff] [blame] | 1806 | } |
| 1807 | |
Markus Armbruster | 7025188 | 2020-05-05 17:29:14 +0200 | [diff] [blame] | 1808 | static ObjectProperty * |
| 1809 | object_add_link_prop(Object *obj, const char *name, |
| 1810 | const char *type, void *ptr, |
| 1811 | void (*check)(const Object *, const char *, |
| 1812 | Object *, Error **), |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 1813 | ObjectPropertyLinkFlags flags) |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1814 | { |
Stefan Hajnoczi | 9561fda | 2014-03-19 08:58:55 +0100 | [diff] [blame] | 1815 | LinkProperty *prop = g_malloc(sizeof(*prop)); |
Markus Armbruster | 7025188 | 2020-05-05 17:29:14 +0200 | [diff] [blame] | 1816 | g_autofree char *full_type = NULL; |
Paolo Bonzini | 64607d0 | 2014-06-05 13:11:51 +0200 | [diff] [blame] | 1817 | ObjectProperty *op; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1818 | |
Marc-André Lureau | 4a8d579 | 2020-01-10 19:30:28 +0400 | [diff] [blame] | 1819 | if (flags & OBJ_PROP_LINK_DIRECT) { |
| 1820 | prop->target = ptr; |
| 1821 | } else { |
| 1822 | prop->targetp = ptr; |
| 1823 | } |
Stefan Hajnoczi | 39f72ef | 2014-03-19 08:58:56 +0100 | [diff] [blame] | 1824 | prop->check = check; |
Stefan Hajnoczi | 9561fda | 2014-03-19 08:58:55 +0100 | [diff] [blame] | 1825 | prop->flags = flags; |
| 1826 | |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1827 | full_type = g_strdup_printf("link<%s>", type); |
| 1828 | |
Paolo Bonzini | 64607d0 | 2014-06-05 13:11:51 +0200 | [diff] [blame] | 1829 | op = object_property_add(obj, name, full_type, |
| 1830 | object_get_link_property, |
| 1831 | check ? object_set_link_property : NULL, |
| 1832 | object_release_link_property, |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 1833 | prop); |
Paolo Bonzini | 64607d0 | 2014-06-05 13:11:51 +0200 | [diff] [blame] | 1834 | op->resolve = object_resolve_link_property; |
Markus Armbruster | 7025188 | 2020-05-05 17:29:14 +0200 | [diff] [blame] | 1835 | return op; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1836 | } |
| 1837 | |
Markus Armbruster | 7025188 | 2020-05-05 17:29:14 +0200 | [diff] [blame] | 1838 | ObjectProperty * |
| 1839 | object_property_add_link(Object *obj, const char *name, |
| 1840 | const char *type, Object **targetp, |
| 1841 | void (*check)(const Object *, const char *, |
| 1842 | Object *, Error **), |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 1843 | ObjectPropertyLinkFlags flags) |
Marc-André Lureau | 4a8d579 | 2020-01-10 19:30:28 +0400 | [diff] [blame] | 1844 | { |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 1845 | return object_add_link_prop(obj, name, type, targetp, check, flags); |
Marc-André Lureau | 4a8d579 | 2020-01-10 19:30:28 +0400 | [diff] [blame] | 1846 | } |
| 1847 | |
Marc-André Lureau | 840ecdf | 2020-01-10 19:30:29 +0400 | [diff] [blame] | 1848 | ObjectProperty * |
| 1849 | object_class_property_add_link(ObjectClass *oc, |
| 1850 | const char *name, |
| 1851 | const char *type, ptrdiff_t offset, |
| 1852 | void (*check)(const Object *obj, const char *name, |
| 1853 | Object *val, Error **errp), |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 1854 | ObjectPropertyLinkFlags flags) |
Marc-André Lureau | 840ecdf | 2020-01-10 19:30:29 +0400 | [diff] [blame] | 1855 | { |
Marc-André Lureau | 840ecdf | 2020-01-10 19:30:29 +0400 | [diff] [blame] | 1856 | LinkProperty *prop = g_new0(LinkProperty, 1); |
Markus Armbruster | ddfb0ba | 2020-05-05 17:29:10 +0200 | [diff] [blame] | 1857 | char *full_type; |
Marc-André Lureau | 840ecdf | 2020-01-10 19:30:29 +0400 | [diff] [blame] | 1858 | ObjectProperty *op; |
| 1859 | |
| 1860 | prop->offset = offset; |
| 1861 | prop->check = check; |
| 1862 | prop->flags = flags | OBJ_PROP_LINK_CLASS; |
| 1863 | |
| 1864 | full_type = g_strdup_printf("link<%s>", type); |
| 1865 | |
| 1866 | op = object_class_property_add(oc, name, full_type, |
| 1867 | object_get_link_property, |
| 1868 | check ? object_set_link_property : NULL, |
| 1869 | object_release_link_property, |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 1870 | prop); |
Marc-André Lureau | 840ecdf | 2020-01-10 19:30:29 +0400 | [diff] [blame] | 1871 | |
| 1872 | op->resolve = object_resolve_link_property; |
| 1873 | |
Marc-André Lureau | 840ecdf | 2020-01-10 19:30:29 +0400 | [diff] [blame] | 1874 | g_free(full_type); |
| 1875 | return op; |
| 1876 | } |
| 1877 | |
Markus Armbruster | 7025188 | 2020-05-05 17:29:14 +0200 | [diff] [blame] | 1878 | ObjectProperty * |
| 1879 | object_property_add_const_link(Object *obj, const char *name, |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 1880 | Object *target) |
Paolo Bonzini | fb9e7e3 | 2015-05-05 18:29:00 +0200 | [diff] [blame] | 1881 | { |
Markus Armbruster | 7025188 | 2020-05-05 17:29:14 +0200 | [diff] [blame] | 1882 | return object_add_link_prop(obj, name, |
| 1883 | object_get_typename(target), target, |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 1884 | NULL, OBJ_PROP_LINK_DIRECT); |
Paolo Bonzini | fb9e7e3 | 2015-05-05 18:29:00 +0200 | [diff] [blame] | 1885 | } |
| 1886 | |
Markus Armbruster | ddfb0ba | 2020-05-05 17:29:10 +0200 | [diff] [blame] | 1887 | char *object_get_canonical_path_component(Object *obj) |
Stefan Hajnoczi | 11f590b | 2014-03-03 11:30:02 +0100 | [diff] [blame] | 1888 | { |
| 1889 | ObjectProperty *prop = NULL; |
Pavel Fedin | b604a85 | 2015-10-13 13:37:45 +0100 | [diff] [blame] | 1890 | GHashTableIter iter; |
Stefan Hajnoczi | 11f590b | 2014-03-03 11:30:02 +0100 | [diff] [blame] | 1891 | |
Paolo Bonzini | 770dec2 | 2018-04-30 11:44:17 +0200 | [diff] [blame] | 1892 | if (obj->parent == NULL) { |
| 1893 | return NULL; |
| 1894 | } |
Stefan Hajnoczi | 11f590b | 2014-03-03 11:30:02 +0100 | [diff] [blame] | 1895 | |
Pavel Fedin | b604a85 | 2015-10-13 13:37:45 +0100 | [diff] [blame] | 1896 | g_hash_table_iter_init(&iter, obj->parent->properties); |
| 1897 | while (g_hash_table_iter_next(&iter, NULL, (gpointer *)&prop)) { |
Stefan Hajnoczi | 11f590b | 2014-03-03 11:30:02 +0100 | [diff] [blame] | 1898 | if (!object_property_is_child(prop)) { |
| 1899 | continue; |
| 1900 | } |
| 1901 | |
| 1902 | if (prop->opaque == obj) { |
| 1903 | return g_strdup(prop->name); |
| 1904 | } |
| 1905 | } |
| 1906 | |
| 1907 | /* obj had a parent but was not a child, should never happen */ |
| 1908 | g_assert_not_reached(); |
| 1909 | return NULL; |
| 1910 | } |
| 1911 | |
Markus Armbruster | ddfb0ba | 2020-05-05 17:29:10 +0200 | [diff] [blame] | 1912 | char *object_get_canonical_path(Object *obj) |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1913 | { |
| 1914 | Object *root = object_get_root(); |
Stefan Hajnoczi | 11f590b | 2014-03-03 11:30:02 +0100 | [diff] [blame] | 1915 | char *newpath, *path = NULL; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1916 | |
Paolo Bonzini | e40077f | 2018-05-30 18:16:04 +0200 | [diff] [blame] | 1917 | if (obj == root) { |
| 1918 | return g_strdup("/"); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1919 | } |
| 1920 | |
Paolo Bonzini | e40077f | 2018-05-30 18:16:04 +0200 | [diff] [blame] | 1921 | do { |
| 1922 | char *component = object_get_canonical_path_component(obj); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1923 | |
Paolo Bonzini | e40077f | 2018-05-30 18:16:04 +0200 | [diff] [blame] | 1924 | if (!component) { |
| 1925 | /* A canonical path must be complete, so discard what was |
| 1926 | * collected so far. |
| 1927 | */ |
| 1928 | g_free(path); |
| 1929 | return NULL; |
| 1930 | } |
| 1931 | |
| 1932 | newpath = g_strdup_printf("/%s%s", component, path ? path : ""); |
| 1933 | g_free(path); |
| 1934 | g_free(component); |
| 1935 | path = newpath; |
| 1936 | obj = obj->parent; |
| 1937 | } while (obj != root); |
| 1938 | |
| 1939 | return path; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1940 | } |
| 1941 | |
Markus Armbruster | ddfb0ba | 2020-05-05 17:29:10 +0200 | [diff] [blame] | 1942 | Object *object_resolve_path_component(Object *parent, const char *part) |
Paolo Bonzini | a612b2a | 2012-03-27 18:38:45 +0200 | [diff] [blame] | 1943 | { |
Paolo Bonzini | 89bfe00 | 2012-04-12 18:00:18 +0200 | [diff] [blame] | 1944 | ObjectProperty *prop = object_property_find(parent, part, NULL); |
Paolo Bonzini | a612b2a | 2012-03-27 18:38:45 +0200 | [diff] [blame] | 1945 | if (prop == NULL) { |
| 1946 | return NULL; |
| 1947 | } |
| 1948 | |
Paolo Bonzini | 64607d0 | 2014-06-05 13:11:51 +0200 | [diff] [blame] | 1949 | if (prop->resolve) { |
| 1950 | return prop->resolve(parent, prop->opaque, part); |
Paolo Bonzini | a612b2a | 2012-03-27 18:38:45 +0200 | [diff] [blame] | 1951 | } else { |
| 1952 | return NULL; |
| 1953 | } |
| 1954 | } |
| 1955 | |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1956 | static Object *object_resolve_abs_path(Object *parent, |
Masahiro Yamada | ad195c8 | 2020-05-10 10:32:35 +0900 | [diff] [blame] | 1957 | char **parts, |
| 1958 | const char *typename) |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1959 | { |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1960 | Object *child; |
| 1961 | |
Masahiro Yamada | ad195c8 | 2020-05-10 10:32:35 +0900 | [diff] [blame] | 1962 | if (*parts == NULL) { |
Paolo Bonzini | 02fe2db | 2012-02-03 11:21:01 +0100 | [diff] [blame] | 1963 | return object_dynamic_cast(parent, typename); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1964 | } |
| 1965 | |
Masahiro Yamada | ad195c8 | 2020-05-10 10:32:35 +0900 | [diff] [blame] | 1966 | if (strcmp(*parts, "") == 0) { |
| 1967 | return object_resolve_abs_path(parent, parts + 1, typename); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1968 | } |
| 1969 | |
Masahiro Yamada | ad195c8 | 2020-05-10 10:32:35 +0900 | [diff] [blame] | 1970 | child = object_resolve_path_component(parent, *parts); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1971 | if (!child) { |
| 1972 | return NULL; |
| 1973 | } |
| 1974 | |
Masahiro Yamada | ad195c8 | 2020-05-10 10:32:35 +0900 | [diff] [blame] | 1975 | return object_resolve_abs_path(child, parts + 1, typename); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1976 | } |
| 1977 | |
| 1978 | static Object *object_resolve_partial_path(Object *parent, |
Markus Armbruster | ddfb0ba | 2020-05-05 17:29:10 +0200 | [diff] [blame] | 1979 | char **parts, |
| 1980 | const char *typename, |
| 1981 | bool *ambiguous) |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1982 | { |
| 1983 | Object *obj; |
Pavel Fedin | b604a85 | 2015-10-13 13:37:45 +0100 | [diff] [blame] | 1984 | GHashTableIter iter; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1985 | ObjectProperty *prop; |
| 1986 | |
Masahiro Yamada | ad195c8 | 2020-05-10 10:32:35 +0900 | [diff] [blame] | 1987 | obj = object_resolve_abs_path(parent, parts, typename); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1988 | |
Pavel Fedin | b604a85 | 2015-10-13 13:37:45 +0100 | [diff] [blame] | 1989 | g_hash_table_iter_init(&iter, parent->properties); |
| 1990 | while (g_hash_table_iter_next(&iter, NULL, (gpointer *)&prop)) { |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1991 | Object *found; |
| 1992 | |
Andreas Färber | 5d9d3f4 | 2012-05-27 00:32:40 +0200 | [diff] [blame] | 1993 | if (!object_property_is_child(prop)) { |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1994 | continue; |
| 1995 | } |
| 1996 | |
Paolo Bonzini | 02fe2db | 2012-02-03 11:21:01 +0100 | [diff] [blame] | 1997 | found = object_resolve_partial_path(prop->opaque, parts, |
| 1998 | typename, ambiguous); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 1999 | if (found) { |
| 2000 | if (obj) { |
Eduardo Habkost | ebcc479 | 2017-07-07 18:30:52 -0300 | [diff] [blame] | 2001 | *ambiguous = true; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2002 | return NULL; |
| 2003 | } |
| 2004 | obj = found; |
| 2005 | } |
| 2006 | |
Eduardo Habkost | ebcc479 | 2017-07-07 18:30:52 -0300 | [diff] [blame] | 2007 | if (*ambiguous) { |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2008 | return NULL; |
| 2009 | } |
| 2010 | } |
| 2011 | |
| 2012 | return obj; |
| 2013 | } |
| 2014 | |
Paolo Bonzini | 02fe2db | 2012-02-03 11:21:01 +0100 | [diff] [blame] | 2015 | Object *object_resolve_path_type(const char *path, const char *typename, |
Eduardo Habkost | ebcc479 | 2017-07-07 18:30:52 -0300 | [diff] [blame] | 2016 | bool *ambiguousp) |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2017 | { |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2018 | Object *obj; |
Markus Armbruster | ddfb0ba | 2020-05-05 17:29:10 +0200 | [diff] [blame] | 2019 | char **parts; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2020 | |
| 2021 | parts = g_strsplit(path, "/", 0); |
Paolo Bonzini | 2e1103f | 2013-04-18 18:44:02 +0200 | [diff] [blame] | 2022 | assert(parts); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2023 | |
Paolo Bonzini | 2e1103f | 2013-04-18 18:44:02 +0200 | [diff] [blame] | 2024 | if (parts[0] == NULL || strcmp(parts[0], "") != 0) { |
Eduardo Habkost | ebcc479 | 2017-07-07 18:30:52 -0300 | [diff] [blame] | 2025 | bool ambiguous = false; |
Paolo Bonzini | 02fe2db | 2012-02-03 11:21:01 +0100 | [diff] [blame] | 2026 | obj = object_resolve_partial_path(object_get_root(), parts, |
Eduardo Habkost | ebcc479 | 2017-07-07 18:30:52 -0300 | [diff] [blame] | 2027 | typename, &ambiguous); |
| 2028 | if (ambiguousp) { |
| 2029 | *ambiguousp = ambiguous; |
| 2030 | } |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2031 | } else { |
Masahiro Yamada | ad195c8 | 2020-05-10 10:32:35 +0900 | [diff] [blame] | 2032 | obj = object_resolve_abs_path(object_get_root(), parts + 1, typename); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2033 | } |
| 2034 | |
| 2035 | g_strfreev(parts); |
| 2036 | |
| 2037 | return obj; |
| 2038 | } |
| 2039 | |
Paolo Bonzini | 02fe2db | 2012-02-03 11:21:01 +0100 | [diff] [blame] | 2040 | Object *object_resolve_path(const char *path, bool *ambiguous) |
| 2041 | { |
| 2042 | return object_resolve_path_type(path, TYPE_OBJECT, ambiguous); |
| 2043 | } |
| 2044 | |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2045 | typedef struct StringProperty |
| 2046 | { |
| 2047 | char *(*get)(Object *, Error **); |
| 2048 | void (*set)(Object *, const char *, Error **); |
| 2049 | } StringProperty; |
| 2050 | |
Eric Blake | d7bce99 | 2016-01-29 06:48:55 -0700 | [diff] [blame] | 2051 | static void property_get_str(Object *obj, Visitor *v, const char *name, |
| 2052 | void *opaque, Error **errp) |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2053 | { |
| 2054 | StringProperty *prop = opaque; |
| 2055 | char *value; |
Markus Armbruster | e1c8237 | 2015-08-25 20:00:46 +0200 | [diff] [blame] | 2056 | Error *err = NULL; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2057 | |
Markus Armbruster | e1c8237 | 2015-08-25 20:00:46 +0200 | [diff] [blame] | 2058 | value = prop->get(obj, &err); |
| 2059 | if (err) { |
| 2060 | error_propagate(errp, err); |
| 2061 | return; |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2062 | } |
Markus Armbruster | e1c8237 | 2015-08-25 20:00:46 +0200 | [diff] [blame] | 2063 | |
Eric Blake | 51e72bc | 2016-01-29 06:48:54 -0700 | [diff] [blame] | 2064 | visit_type_str(v, name, &value, errp); |
Markus Armbruster | e1c8237 | 2015-08-25 20:00:46 +0200 | [diff] [blame] | 2065 | g_free(value); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2066 | } |
| 2067 | |
Eric Blake | d7bce99 | 2016-01-29 06:48:55 -0700 | [diff] [blame] | 2068 | static void property_set_str(Object *obj, Visitor *v, const char *name, |
| 2069 | void *opaque, Error **errp) |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2070 | { |
| 2071 | StringProperty *prop = opaque; |
| 2072 | char *value; |
| 2073 | Error *local_err = NULL; |
| 2074 | |
Eric Blake | 51e72bc | 2016-01-29 06:48:54 -0700 | [diff] [blame] | 2075 | visit_type_str(v, name, &value, &local_err); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2076 | if (local_err) { |
| 2077 | error_propagate(errp, local_err); |
| 2078 | return; |
| 2079 | } |
| 2080 | |
| 2081 | prop->set(obj, value, errp); |
| 2082 | g_free(value); |
| 2083 | } |
| 2084 | |
Paolo Bonzini | 7b7b7d1 | 2012-02-01 17:16:22 +0100 | [diff] [blame] | 2085 | static void property_release_str(Object *obj, const char *name, |
| 2086 | void *opaque) |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2087 | { |
| 2088 | StringProperty *prop = opaque; |
| 2089 | g_free(prop); |
| 2090 | } |
| 2091 | |
Markus Armbruster | 7025188 | 2020-05-05 17:29:14 +0200 | [diff] [blame] | 2092 | ObjectProperty * |
| 2093 | object_property_add_str(Object *obj, const char *name, |
| 2094 | char *(*get)(Object *, Error **), |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2095 | void (*set)(Object *, const char *, Error **)) |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2096 | { |
| 2097 | StringProperty *prop = g_malloc0(sizeof(*prop)); |
| 2098 | |
| 2099 | prop->get = get; |
| 2100 | prop->set = set; |
| 2101 | |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2102 | return object_property_add(obj, name, "string", |
| 2103 | get ? property_get_str : NULL, |
| 2104 | set ? property_set_str : NULL, |
| 2105 | property_release_str, |
| 2106 | prop); |
Anthony Liguori | 57c9faf | 2012-01-30 08:55:55 -0600 | [diff] [blame] | 2107 | } |
Paolo Bonzini | 745549c | 2012-03-31 16:45:54 +0200 | [diff] [blame] | 2108 | |
Marc-André Lureau | a3a1621 | 2020-01-10 19:30:21 +0400 | [diff] [blame] | 2109 | ObjectProperty * |
| 2110 | object_class_property_add_str(ObjectClass *klass, const char *name, |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2111 | char *(*get)(Object *, Error **), |
| 2112 | void (*set)(Object *, const char *, |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2113 | Error **)) |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2114 | { |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2115 | StringProperty *prop = g_malloc0(sizeof(*prop)); |
| 2116 | |
| 2117 | prop->get = get; |
| 2118 | prop->set = set; |
| 2119 | |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2120 | return object_class_property_add(klass, name, "string", |
| 2121 | get ? property_get_str : NULL, |
| 2122 | set ? property_set_str : NULL, |
| 2123 | NULL, |
| 2124 | prop); |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2125 | } |
| 2126 | |
Anthony Liguori | 0e55884 | 2012-06-25 10:32:46 -0500 | [diff] [blame] | 2127 | typedef struct BoolProperty |
| 2128 | { |
| 2129 | bool (*get)(Object *, Error **); |
| 2130 | void (*set)(Object *, bool, Error **); |
| 2131 | } BoolProperty; |
| 2132 | |
Eric Blake | d7bce99 | 2016-01-29 06:48:55 -0700 | [diff] [blame] | 2133 | static void property_get_bool(Object *obj, Visitor *v, const char *name, |
| 2134 | void *opaque, Error **errp) |
Anthony Liguori | 0e55884 | 2012-06-25 10:32:46 -0500 | [diff] [blame] | 2135 | { |
| 2136 | BoolProperty *prop = opaque; |
| 2137 | bool value; |
Markus Armbruster | 4715d42 | 2015-08-25 20:00:45 +0200 | [diff] [blame] | 2138 | Error *err = NULL; |
Anthony Liguori | 0e55884 | 2012-06-25 10:32:46 -0500 | [diff] [blame] | 2139 | |
Markus Armbruster | 4715d42 | 2015-08-25 20:00:45 +0200 | [diff] [blame] | 2140 | value = prop->get(obj, &err); |
| 2141 | if (err) { |
| 2142 | error_propagate(errp, err); |
| 2143 | return; |
| 2144 | } |
| 2145 | |
Eric Blake | 51e72bc | 2016-01-29 06:48:54 -0700 | [diff] [blame] | 2146 | visit_type_bool(v, name, &value, errp); |
Anthony Liguori | 0e55884 | 2012-06-25 10:32:46 -0500 | [diff] [blame] | 2147 | } |
| 2148 | |
Eric Blake | d7bce99 | 2016-01-29 06:48:55 -0700 | [diff] [blame] | 2149 | static void property_set_bool(Object *obj, Visitor *v, const char *name, |
| 2150 | void *opaque, Error **errp) |
Anthony Liguori | 0e55884 | 2012-06-25 10:32:46 -0500 | [diff] [blame] | 2151 | { |
| 2152 | BoolProperty *prop = opaque; |
| 2153 | bool value; |
| 2154 | Error *local_err = NULL; |
| 2155 | |
Eric Blake | 51e72bc | 2016-01-29 06:48:54 -0700 | [diff] [blame] | 2156 | visit_type_bool(v, name, &value, &local_err); |
Anthony Liguori | 0e55884 | 2012-06-25 10:32:46 -0500 | [diff] [blame] | 2157 | if (local_err) { |
| 2158 | error_propagate(errp, local_err); |
| 2159 | return; |
| 2160 | } |
| 2161 | |
| 2162 | prop->set(obj, value, errp); |
| 2163 | } |
| 2164 | |
| 2165 | static void property_release_bool(Object *obj, const char *name, |
| 2166 | void *opaque) |
| 2167 | { |
| 2168 | BoolProperty *prop = opaque; |
| 2169 | g_free(prop); |
| 2170 | } |
| 2171 | |
Markus Armbruster | 7025188 | 2020-05-05 17:29:14 +0200 | [diff] [blame] | 2172 | ObjectProperty * |
| 2173 | object_property_add_bool(Object *obj, const char *name, |
| 2174 | bool (*get)(Object *, Error **), |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2175 | void (*set)(Object *, bool, Error **)) |
Anthony Liguori | 0e55884 | 2012-06-25 10:32:46 -0500 | [diff] [blame] | 2176 | { |
| 2177 | BoolProperty *prop = g_malloc0(sizeof(*prop)); |
| 2178 | |
| 2179 | prop->get = get; |
| 2180 | prop->set = set; |
| 2181 | |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2182 | return object_property_add(obj, name, "bool", |
| 2183 | get ? property_get_bool : NULL, |
| 2184 | set ? property_set_bool : NULL, |
| 2185 | property_release_bool, |
| 2186 | prop); |
Anthony Liguori | 0e55884 | 2012-06-25 10:32:46 -0500 | [diff] [blame] | 2187 | } |
| 2188 | |
Marc-André Lureau | a3a1621 | 2020-01-10 19:30:21 +0400 | [diff] [blame] | 2189 | ObjectProperty * |
| 2190 | object_class_property_add_bool(ObjectClass *klass, const char *name, |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2191 | bool (*get)(Object *, Error **), |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2192 | void (*set)(Object *, bool, Error **)) |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2193 | { |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2194 | BoolProperty *prop = g_malloc0(sizeof(*prop)); |
| 2195 | |
| 2196 | prop->get = get; |
| 2197 | prop->set = set; |
| 2198 | |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2199 | return object_class_property_add(klass, name, "bool", |
| 2200 | get ? property_get_bool : NULL, |
| 2201 | set ? property_set_bool : NULL, |
| 2202 | NULL, |
| 2203 | prop); |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2204 | } |
| 2205 | |
Eric Blake | d7bce99 | 2016-01-29 06:48:55 -0700 | [diff] [blame] | 2206 | static void property_get_enum(Object *obj, Visitor *v, const char *name, |
| 2207 | void *opaque, Error **errp) |
Daniel P. Berrange | a8e3fbe | 2015-05-13 17:14:08 +0100 | [diff] [blame] | 2208 | { |
| 2209 | EnumProperty *prop = opaque; |
| 2210 | int value; |
Markus Armbruster | 4715d42 | 2015-08-25 20:00:45 +0200 | [diff] [blame] | 2211 | Error *err = NULL; |
Daniel P. Berrange | a8e3fbe | 2015-05-13 17:14:08 +0100 | [diff] [blame] | 2212 | |
Markus Armbruster | 4715d42 | 2015-08-25 20:00:45 +0200 | [diff] [blame] | 2213 | value = prop->get(obj, &err); |
| 2214 | if (err) { |
| 2215 | error_propagate(errp, err); |
| 2216 | return; |
| 2217 | } |
| 2218 | |
Marc-André Lureau | f7abe0e | 2017-08-24 10:46:10 +0200 | [diff] [blame] | 2219 | visit_type_enum(v, name, &value, prop->lookup, errp); |
Daniel P. Berrange | a8e3fbe | 2015-05-13 17:14:08 +0100 | [diff] [blame] | 2220 | } |
| 2221 | |
Eric Blake | d7bce99 | 2016-01-29 06:48:55 -0700 | [diff] [blame] | 2222 | static void property_set_enum(Object *obj, Visitor *v, const char *name, |
| 2223 | void *opaque, Error **errp) |
Daniel P. Berrange | a8e3fbe | 2015-05-13 17:14:08 +0100 | [diff] [blame] | 2224 | { |
| 2225 | EnumProperty *prop = opaque; |
| 2226 | int value; |
Markus Armbruster | 4715d42 | 2015-08-25 20:00:45 +0200 | [diff] [blame] | 2227 | Error *err = NULL; |
Daniel P. Berrange | a8e3fbe | 2015-05-13 17:14:08 +0100 | [diff] [blame] | 2228 | |
Marc-André Lureau | f7abe0e | 2017-08-24 10:46:10 +0200 | [diff] [blame] | 2229 | visit_type_enum(v, name, &value, prop->lookup, &err); |
Markus Armbruster | 4715d42 | 2015-08-25 20:00:45 +0200 | [diff] [blame] | 2230 | if (err) { |
| 2231 | error_propagate(errp, err); |
| 2232 | return; |
| 2233 | } |
Daniel P. Berrange | a8e3fbe | 2015-05-13 17:14:08 +0100 | [diff] [blame] | 2234 | prop->set(obj, value, errp); |
| 2235 | } |
| 2236 | |
| 2237 | static void property_release_enum(Object *obj, const char *name, |
| 2238 | void *opaque) |
| 2239 | { |
| 2240 | EnumProperty *prop = opaque; |
| 2241 | g_free(prop); |
| 2242 | } |
| 2243 | |
Markus Armbruster | 7025188 | 2020-05-05 17:29:14 +0200 | [diff] [blame] | 2244 | ObjectProperty * |
| 2245 | object_property_add_enum(Object *obj, const char *name, |
| 2246 | const char *typename, |
| 2247 | const QEnumLookup *lookup, |
| 2248 | int (*get)(Object *, Error **), |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2249 | void (*set)(Object *, int, Error **)) |
Daniel P. Berrange | a8e3fbe | 2015-05-13 17:14:08 +0100 | [diff] [blame] | 2250 | { |
Daniel P. Berrange | a8e3fbe | 2015-05-13 17:14:08 +0100 | [diff] [blame] | 2251 | EnumProperty *prop = g_malloc(sizeof(*prop)); |
| 2252 | |
Marc-André Lureau | f7abe0e | 2017-08-24 10:46:10 +0200 | [diff] [blame] | 2253 | prop->lookup = lookup; |
Daniel P. Berrange | a8e3fbe | 2015-05-13 17:14:08 +0100 | [diff] [blame] | 2254 | prop->get = get; |
| 2255 | prop->set = set; |
| 2256 | |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2257 | return object_property_add(obj, name, typename, |
| 2258 | get ? property_get_enum : NULL, |
| 2259 | set ? property_set_enum : NULL, |
| 2260 | property_release_enum, |
| 2261 | prop); |
Daniel P. Berrange | a8e3fbe | 2015-05-13 17:14:08 +0100 | [diff] [blame] | 2262 | } |
| 2263 | |
Marc-André Lureau | a3a1621 | 2020-01-10 19:30:21 +0400 | [diff] [blame] | 2264 | ObjectProperty * |
| 2265 | object_class_property_add_enum(ObjectClass *klass, const char *name, |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2266 | const char *typename, |
Marc-André Lureau | f7abe0e | 2017-08-24 10:46:10 +0200 | [diff] [blame] | 2267 | const QEnumLookup *lookup, |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2268 | int (*get)(Object *, Error **), |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2269 | void (*set)(Object *, int, Error **)) |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2270 | { |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2271 | EnumProperty *prop = g_malloc(sizeof(*prop)); |
| 2272 | |
Marc-André Lureau | f7abe0e | 2017-08-24 10:46:10 +0200 | [diff] [blame] | 2273 | prop->lookup = lookup; |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2274 | prop->get = get; |
| 2275 | prop->set = set; |
| 2276 | |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2277 | return object_class_property_add(klass, name, typename, |
| 2278 | get ? property_get_enum : NULL, |
| 2279 | set ? property_set_enum : NULL, |
| 2280 | NULL, |
| 2281 | prop); |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2282 | } |
| 2283 | |
David Gibson | 8e099d1 | 2015-02-06 14:55:45 +1100 | [diff] [blame] | 2284 | typedef struct TMProperty { |
| 2285 | void (*get)(Object *, struct tm *, Error **); |
| 2286 | } TMProperty; |
| 2287 | |
Eric Blake | d7bce99 | 2016-01-29 06:48:55 -0700 | [diff] [blame] | 2288 | static void property_get_tm(Object *obj, Visitor *v, const char *name, |
| 2289 | void *opaque, Error **errp) |
David Gibson | 8e099d1 | 2015-02-06 14:55:45 +1100 | [diff] [blame] | 2290 | { |
| 2291 | TMProperty *prop = opaque; |
| 2292 | Error *err = NULL; |
| 2293 | struct tm value; |
| 2294 | |
| 2295 | prop->get(obj, &value, &err); |
| 2296 | if (err) { |
| 2297 | goto out; |
| 2298 | } |
| 2299 | |
Eric Blake | 337283d | 2016-01-29 06:48:57 -0700 | [diff] [blame] | 2300 | visit_start_struct(v, name, NULL, 0, &err); |
David Gibson | 8e099d1 | 2015-02-06 14:55:45 +1100 | [diff] [blame] | 2301 | if (err) { |
| 2302 | goto out; |
| 2303 | } |
Eric Blake | 51e72bc | 2016-01-29 06:48:54 -0700 | [diff] [blame] | 2304 | visit_type_int32(v, "tm_year", &value.tm_year, &err); |
David Gibson | 8e099d1 | 2015-02-06 14:55:45 +1100 | [diff] [blame] | 2305 | if (err) { |
| 2306 | goto out_end; |
| 2307 | } |
Eric Blake | 51e72bc | 2016-01-29 06:48:54 -0700 | [diff] [blame] | 2308 | visit_type_int32(v, "tm_mon", &value.tm_mon, &err); |
David Gibson | 8e099d1 | 2015-02-06 14:55:45 +1100 | [diff] [blame] | 2309 | if (err) { |
| 2310 | goto out_end; |
| 2311 | } |
Eric Blake | 51e72bc | 2016-01-29 06:48:54 -0700 | [diff] [blame] | 2312 | visit_type_int32(v, "tm_mday", &value.tm_mday, &err); |
David Gibson | 8e099d1 | 2015-02-06 14:55:45 +1100 | [diff] [blame] | 2313 | if (err) { |
| 2314 | goto out_end; |
| 2315 | } |
Eric Blake | 51e72bc | 2016-01-29 06:48:54 -0700 | [diff] [blame] | 2316 | visit_type_int32(v, "tm_hour", &value.tm_hour, &err); |
David Gibson | 8e099d1 | 2015-02-06 14:55:45 +1100 | [diff] [blame] | 2317 | if (err) { |
| 2318 | goto out_end; |
| 2319 | } |
Eric Blake | 51e72bc | 2016-01-29 06:48:54 -0700 | [diff] [blame] | 2320 | visit_type_int32(v, "tm_min", &value.tm_min, &err); |
David Gibson | 8e099d1 | 2015-02-06 14:55:45 +1100 | [diff] [blame] | 2321 | if (err) { |
| 2322 | goto out_end; |
| 2323 | } |
Eric Blake | 51e72bc | 2016-01-29 06:48:54 -0700 | [diff] [blame] | 2324 | visit_type_int32(v, "tm_sec", &value.tm_sec, &err); |
David Gibson | 8e099d1 | 2015-02-06 14:55:45 +1100 | [diff] [blame] | 2325 | if (err) { |
| 2326 | goto out_end; |
| 2327 | } |
Eric Blake | 15c2f66 | 2016-04-28 15:45:27 -0600 | [diff] [blame] | 2328 | visit_check_struct(v, &err); |
David Gibson | 8e099d1 | 2015-02-06 14:55:45 +1100 | [diff] [blame] | 2329 | out_end: |
Eric Blake | 1158bb2 | 2016-06-09 10:48:34 -0600 | [diff] [blame] | 2330 | visit_end_struct(v, NULL); |
David Gibson | 8e099d1 | 2015-02-06 14:55:45 +1100 | [diff] [blame] | 2331 | out: |
| 2332 | error_propagate(errp, err); |
| 2333 | |
| 2334 | } |
| 2335 | |
| 2336 | static void property_release_tm(Object *obj, const char *name, |
| 2337 | void *opaque) |
| 2338 | { |
| 2339 | TMProperty *prop = opaque; |
| 2340 | g_free(prop); |
| 2341 | } |
| 2342 | |
Markus Armbruster | 7025188 | 2020-05-05 17:29:14 +0200 | [diff] [blame] | 2343 | ObjectProperty * |
| 2344 | object_property_add_tm(Object *obj, const char *name, |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2345 | void (*get)(Object *, struct tm *, Error **)) |
David Gibson | 8e099d1 | 2015-02-06 14:55:45 +1100 | [diff] [blame] | 2346 | { |
David Gibson | 8e099d1 | 2015-02-06 14:55:45 +1100 | [diff] [blame] | 2347 | TMProperty *prop = g_malloc0(sizeof(*prop)); |
| 2348 | |
| 2349 | prop->get = get; |
| 2350 | |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2351 | return object_property_add(obj, name, "struct tm", |
| 2352 | get ? property_get_tm : NULL, NULL, |
| 2353 | property_release_tm, |
| 2354 | prop); |
David Gibson | 8e099d1 | 2015-02-06 14:55:45 +1100 | [diff] [blame] | 2355 | } |
| 2356 | |
Marc-André Lureau | a3a1621 | 2020-01-10 19:30:21 +0400 | [diff] [blame] | 2357 | ObjectProperty * |
| 2358 | object_class_property_add_tm(ObjectClass *klass, const char *name, |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2359 | void (*get)(Object *, struct tm *, Error **)) |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2360 | { |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2361 | TMProperty *prop = g_malloc0(sizeof(*prop)); |
| 2362 | |
| 2363 | prop->get = get; |
| 2364 | |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2365 | return object_class_property_add(klass, name, "struct tm", |
| 2366 | get ? property_get_tm : NULL, |
| 2367 | NULL, NULL, prop); |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2368 | } |
| 2369 | |
Paolo Bonzini | 2f262e0 | 2012-04-02 17:33:51 +0200 | [diff] [blame] | 2370 | static char *qdev_get_type(Object *obj, Error **errp) |
| 2371 | { |
| 2372 | return g_strdup(object_get_typename(obj)); |
| 2373 | } |
| 2374 | |
Eric Blake | d7bce99 | 2016-01-29 06:48:55 -0700 | [diff] [blame] | 2375 | static void property_get_uint8_ptr(Object *obj, Visitor *v, const char *name, |
| 2376 | void *opaque, Error **errp) |
Michael S. Tsirkin | e732ea6 | 2013-09-22 10:10:17 +0300 | [diff] [blame] | 2377 | { |
| 2378 | uint8_t value = *(uint8_t *)opaque; |
Eric Blake | 51e72bc | 2016-01-29 06:48:54 -0700 | [diff] [blame] | 2379 | visit_type_uint8(v, name, &value, errp); |
Michael S. Tsirkin | e732ea6 | 2013-09-22 10:10:17 +0300 | [diff] [blame] | 2380 | } |
| 2381 | |
Felipe Franciosi | 836e1b3 | 2020-02-04 13:15:58 +0000 | [diff] [blame] | 2382 | static void property_set_uint8_ptr(Object *obj, Visitor *v, const char *name, |
| 2383 | void *opaque, Error **errp) |
| 2384 | { |
| 2385 | uint8_t *field = opaque; |
| 2386 | uint8_t value; |
| 2387 | Error *local_err = NULL; |
| 2388 | |
| 2389 | visit_type_uint8(v, name, &value, &local_err); |
| 2390 | if (local_err) { |
| 2391 | error_propagate(errp, local_err); |
| 2392 | return; |
| 2393 | } |
| 2394 | |
| 2395 | *field = value; |
| 2396 | } |
| 2397 | |
Eric Blake | d7bce99 | 2016-01-29 06:48:55 -0700 | [diff] [blame] | 2398 | static void property_get_uint16_ptr(Object *obj, Visitor *v, const char *name, |
| 2399 | void *opaque, Error **errp) |
Michael S. Tsirkin | e732ea6 | 2013-09-22 10:10:17 +0300 | [diff] [blame] | 2400 | { |
| 2401 | uint16_t value = *(uint16_t *)opaque; |
Eric Blake | 51e72bc | 2016-01-29 06:48:54 -0700 | [diff] [blame] | 2402 | visit_type_uint16(v, name, &value, errp); |
Michael S. Tsirkin | e732ea6 | 2013-09-22 10:10:17 +0300 | [diff] [blame] | 2403 | } |
| 2404 | |
Felipe Franciosi | 836e1b3 | 2020-02-04 13:15:58 +0000 | [diff] [blame] | 2405 | static void property_set_uint16_ptr(Object *obj, Visitor *v, const char *name, |
| 2406 | void *opaque, Error **errp) |
| 2407 | { |
| 2408 | uint16_t *field = opaque; |
| 2409 | uint16_t value; |
| 2410 | Error *local_err = NULL; |
| 2411 | |
| 2412 | visit_type_uint16(v, name, &value, &local_err); |
| 2413 | if (local_err) { |
| 2414 | error_propagate(errp, local_err); |
| 2415 | return; |
| 2416 | } |
| 2417 | |
| 2418 | *field = value; |
| 2419 | } |
| 2420 | |
Eric Blake | d7bce99 | 2016-01-29 06:48:55 -0700 | [diff] [blame] | 2421 | static void property_get_uint32_ptr(Object *obj, Visitor *v, const char *name, |
| 2422 | void *opaque, Error **errp) |
Michael S. Tsirkin | e732ea6 | 2013-09-22 10:10:17 +0300 | [diff] [blame] | 2423 | { |
| 2424 | uint32_t value = *(uint32_t *)opaque; |
Eric Blake | 51e72bc | 2016-01-29 06:48:54 -0700 | [diff] [blame] | 2425 | visit_type_uint32(v, name, &value, errp); |
Michael S. Tsirkin | e732ea6 | 2013-09-22 10:10:17 +0300 | [diff] [blame] | 2426 | } |
| 2427 | |
Felipe Franciosi | 836e1b3 | 2020-02-04 13:15:58 +0000 | [diff] [blame] | 2428 | static void property_set_uint32_ptr(Object *obj, Visitor *v, const char *name, |
| 2429 | void *opaque, Error **errp) |
| 2430 | { |
| 2431 | uint32_t *field = opaque; |
| 2432 | uint32_t value; |
| 2433 | Error *local_err = NULL; |
| 2434 | |
| 2435 | visit_type_uint32(v, name, &value, &local_err); |
| 2436 | if (local_err) { |
| 2437 | error_propagate(errp, local_err); |
| 2438 | return; |
| 2439 | } |
| 2440 | |
| 2441 | *field = value; |
| 2442 | } |
| 2443 | |
Eric Blake | d7bce99 | 2016-01-29 06:48:55 -0700 | [diff] [blame] | 2444 | static void property_get_uint64_ptr(Object *obj, Visitor *v, const char *name, |
| 2445 | void *opaque, Error **errp) |
Michael S. Tsirkin | e732ea6 | 2013-09-22 10:10:17 +0300 | [diff] [blame] | 2446 | { |
| 2447 | uint64_t value = *(uint64_t *)opaque; |
Eric Blake | 51e72bc | 2016-01-29 06:48:54 -0700 | [diff] [blame] | 2448 | visit_type_uint64(v, name, &value, errp); |
Michael S. Tsirkin | e732ea6 | 2013-09-22 10:10:17 +0300 | [diff] [blame] | 2449 | } |
| 2450 | |
Felipe Franciosi | 836e1b3 | 2020-02-04 13:15:58 +0000 | [diff] [blame] | 2451 | static void property_set_uint64_ptr(Object *obj, Visitor *v, const char *name, |
| 2452 | void *opaque, Error **errp) |
Michael S. Tsirkin | e732ea6 | 2013-09-22 10:10:17 +0300 | [diff] [blame] | 2453 | { |
Felipe Franciosi | 836e1b3 | 2020-02-04 13:15:58 +0000 | [diff] [blame] | 2454 | uint64_t *field = opaque; |
| 2455 | uint64_t value; |
| 2456 | Error *local_err = NULL; |
| 2457 | |
| 2458 | visit_type_uint64(v, name, &value, &local_err); |
| 2459 | if (local_err) { |
| 2460 | error_propagate(errp, local_err); |
| 2461 | return; |
| 2462 | } |
| 2463 | |
| 2464 | *field = value; |
| 2465 | } |
| 2466 | |
Markus Armbruster | 7025188 | 2020-05-05 17:29:14 +0200 | [diff] [blame] | 2467 | ObjectProperty * |
| 2468 | object_property_add_uint8_ptr(Object *obj, const char *name, |
| 2469 | const uint8_t *v, |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2470 | ObjectPropertyFlags flags) |
Felipe Franciosi | 836e1b3 | 2020-02-04 13:15:58 +0000 | [diff] [blame] | 2471 | { |
| 2472 | ObjectPropertyAccessor *getter = NULL; |
| 2473 | ObjectPropertyAccessor *setter = NULL; |
| 2474 | |
| 2475 | if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) { |
| 2476 | getter = property_get_uint8_ptr; |
| 2477 | } |
| 2478 | |
| 2479 | if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) { |
| 2480 | setter = property_set_uint8_ptr; |
| 2481 | } |
| 2482 | |
Markus Armbruster | 7025188 | 2020-05-05 17:29:14 +0200 | [diff] [blame] | 2483 | return object_property_add(obj, name, "uint8", |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2484 | getter, setter, NULL, (void *)v); |
Michael S. Tsirkin | e732ea6 | 2013-09-22 10:10:17 +0300 | [diff] [blame] | 2485 | } |
| 2486 | |
Marc-André Lureau | a3a1621 | 2020-01-10 19:30:21 +0400 | [diff] [blame] | 2487 | ObjectProperty * |
| 2488 | object_class_property_add_uint8_ptr(ObjectClass *klass, const char *name, |
Felipe Franciosi | 836e1b3 | 2020-02-04 13:15:58 +0000 | [diff] [blame] | 2489 | const uint8_t *v, |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2490 | ObjectPropertyFlags flags) |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2491 | { |
Felipe Franciosi | 836e1b3 | 2020-02-04 13:15:58 +0000 | [diff] [blame] | 2492 | ObjectPropertyAccessor *getter = NULL; |
| 2493 | ObjectPropertyAccessor *setter = NULL; |
| 2494 | |
| 2495 | if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) { |
| 2496 | getter = property_get_uint8_ptr; |
| 2497 | } |
| 2498 | |
| 2499 | if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) { |
| 2500 | setter = property_set_uint8_ptr; |
| 2501 | } |
| 2502 | |
Marc-André Lureau | a3a1621 | 2020-01-10 19:30:21 +0400 | [diff] [blame] | 2503 | return object_class_property_add(klass, name, "uint8", |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2504 | getter, setter, NULL, (void *)v); |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2505 | } |
| 2506 | |
Markus Armbruster | 7025188 | 2020-05-05 17:29:14 +0200 | [diff] [blame] | 2507 | ObjectProperty * |
| 2508 | object_property_add_uint16_ptr(Object *obj, const char *name, |
| 2509 | const uint16_t *v, |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2510 | ObjectPropertyFlags flags) |
Michael S. Tsirkin | e732ea6 | 2013-09-22 10:10:17 +0300 | [diff] [blame] | 2511 | { |
Felipe Franciosi | 836e1b3 | 2020-02-04 13:15:58 +0000 | [diff] [blame] | 2512 | ObjectPropertyAccessor *getter = NULL; |
| 2513 | ObjectPropertyAccessor *setter = NULL; |
| 2514 | |
| 2515 | if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) { |
| 2516 | getter = property_get_uint16_ptr; |
| 2517 | } |
| 2518 | |
| 2519 | if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) { |
| 2520 | setter = property_set_uint16_ptr; |
| 2521 | } |
| 2522 | |
Markus Armbruster | 7025188 | 2020-05-05 17:29:14 +0200 | [diff] [blame] | 2523 | return object_property_add(obj, name, "uint16", |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2524 | getter, setter, NULL, (void *)v); |
Michael S. Tsirkin | e732ea6 | 2013-09-22 10:10:17 +0300 | [diff] [blame] | 2525 | } |
| 2526 | |
Marc-André Lureau | a3a1621 | 2020-01-10 19:30:21 +0400 | [diff] [blame] | 2527 | ObjectProperty * |
| 2528 | object_class_property_add_uint16_ptr(ObjectClass *klass, const char *name, |
Felipe Franciosi | 836e1b3 | 2020-02-04 13:15:58 +0000 | [diff] [blame] | 2529 | const uint16_t *v, |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2530 | ObjectPropertyFlags flags) |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2531 | { |
Felipe Franciosi | 836e1b3 | 2020-02-04 13:15:58 +0000 | [diff] [blame] | 2532 | ObjectPropertyAccessor *getter = NULL; |
| 2533 | ObjectPropertyAccessor *setter = NULL; |
| 2534 | |
| 2535 | if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) { |
| 2536 | getter = property_get_uint16_ptr; |
| 2537 | } |
| 2538 | |
| 2539 | if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) { |
| 2540 | setter = property_set_uint16_ptr; |
| 2541 | } |
| 2542 | |
Marc-André Lureau | a3a1621 | 2020-01-10 19:30:21 +0400 | [diff] [blame] | 2543 | return object_class_property_add(klass, name, "uint16", |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2544 | getter, setter, NULL, (void *)v); |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2545 | } |
| 2546 | |
Markus Armbruster | 7025188 | 2020-05-05 17:29:14 +0200 | [diff] [blame] | 2547 | ObjectProperty * |
| 2548 | object_property_add_uint32_ptr(Object *obj, const char *name, |
| 2549 | const uint32_t *v, |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2550 | ObjectPropertyFlags flags) |
Michael S. Tsirkin | e732ea6 | 2013-09-22 10:10:17 +0300 | [diff] [blame] | 2551 | { |
Felipe Franciosi | 836e1b3 | 2020-02-04 13:15:58 +0000 | [diff] [blame] | 2552 | ObjectPropertyAccessor *getter = NULL; |
| 2553 | ObjectPropertyAccessor *setter = NULL; |
| 2554 | |
| 2555 | if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) { |
| 2556 | getter = property_get_uint32_ptr; |
| 2557 | } |
| 2558 | |
| 2559 | if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) { |
| 2560 | setter = property_set_uint32_ptr; |
| 2561 | } |
| 2562 | |
Markus Armbruster | 7025188 | 2020-05-05 17:29:14 +0200 | [diff] [blame] | 2563 | return object_property_add(obj, name, "uint32", |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2564 | getter, setter, NULL, (void *)v); |
Michael S. Tsirkin | e732ea6 | 2013-09-22 10:10:17 +0300 | [diff] [blame] | 2565 | } |
| 2566 | |
Marc-André Lureau | a3a1621 | 2020-01-10 19:30:21 +0400 | [diff] [blame] | 2567 | ObjectProperty * |
| 2568 | object_class_property_add_uint32_ptr(ObjectClass *klass, const char *name, |
Felipe Franciosi | 836e1b3 | 2020-02-04 13:15:58 +0000 | [diff] [blame] | 2569 | const uint32_t *v, |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2570 | ObjectPropertyFlags flags) |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2571 | { |
Felipe Franciosi | 836e1b3 | 2020-02-04 13:15:58 +0000 | [diff] [blame] | 2572 | ObjectPropertyAccessor *getter = NULL; |
| 2573 | ObjectPropertyAccessor *setter = NULL; |
| 2574 | |
| 2575 | if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) { |
| 2576 | getter = property_get_uint32_ptr; |
| 2577 | } |
| 2578 | |
| 2579 | if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) { |
| 2580 | setter = property_set_uint32_ptr; |
| 2581 | } |
| 2582 | |
Marc-André Lureau | a3a1621 | 2020-01-10 19:30:21 +0400 | [diff] [blame] | 2583 | return object_class_property_add(klass, name, "uint32", |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2584 | getter, setter, NULL, (void *)v); |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2585 | } |
| 2586 | |
Markus Armbruster | 7025188 | 2020-05-05 17:29:14 +0200 | [diff] [blame] | 2587 | ObjectProperty * |
| 2588 | object_property_add_uint64_ptr(Object *obj, const char *name, |
| 2589 | const uint64_t *v, |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2590 | ObjectPropertyFlags flags) |
Michael S. Tsirkin | e732ea6 | 2013-09-22 10:10:17 +0300 | [diff] [blame] | 2591 | { |
Felipe Franciosi | 836e1b3 | 2020-02-04 13:15:58 +0000 | [diff] [blame] | 2592 | ObjectPropertyAccessor *getter = NULL; |
| 2593 | ObjectPropertyAccessor *setter = NULL; |
| 2594 | |
| 2595 | if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) { |
| 2596 | getter = property_get_uint64_ptr; |
| 2597 | } |
| 2598 | |
| 2599 | if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) { |
| 2600 | setter = property_set_uint64_ptr; |
| 2601 | } |
| 2602 | |
Markus Armbruster | 7025188 | 2020-05-05 17:29:14 +0200 | [diff] [blame] | 2603 | return object_property_add(obj, name, "uint64", |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2604 | getter, setter, NULL, (void *)v); |
Michael S. Tsirkin | e732ea6 | 2013-09-22 10:10:17 +0300 | [diff] [blame] | 2605 | } |
| 2606 | |
Marc-André Lureau | a3a1621 | 2020-01-10 19:30:21 +0400 | [diff] [blame] | 2607 | ObjectProperty * |
| 2608 | object_class_property_add_uint64_ptr(ObjectClass *klass, const char *name, |
Felipe Franciosi | 836e1b3 | 2020-02-04 13:15:58 +0000 | [diff] [blame] | 2609 | const uint64_t *v, |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2610 | ObjectPropertyFlags flags) |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2611 | { |
Felipe Franciosi | 836e1b3 | 2020-02-04 13:15:58 +0000 | [diff] [blame] | 2612 | ObjectPropertyAccessor *getter = NULL; |
| 2613 | ObjectPropertyAccessor *setter = NULL; |
| 2614 | |
| 2615 | if ((flags & OBJ_PROP_FLAG_READ) == OBJ_PROP_FLAG_READ) { |
| 2616 | getter = property_get_uint64_ptr; |
| 2617 | } |
| 2618 | |
| 2619 | if ((flags & OBJ_PROP_FLAG_WRITE) == OBJ_PROP_FLAG_WRITE) { |
| 2620 | setter = property_set_uint64_ptr; |
| 2621 | } |
| 2622 | |
Marc-André Lureau | a3a1621 | 2020-01-10 19:30:21 +0400 | [diff] [blame] | 2623 | return object_class_property_add(klass, name, "uint64", |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2624 | getter, setter, NULL, (void *)v); |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2625 | } |
| 2626 | |
Stefan Hajnoczi | ef7c7ff | 2014-06-18 17:58:28 +0800 | [diff] [blame] | 2627 | typedef struct { |
| 2628 | Object *target_obj; |
Eduardo Habkost | 1590d26 | 2015-04-09 16:57:29 -0300 | [diff] [blame] | 2629 | char *target_name; |
Stefan Hajnoczi | ef7c7ff | 2014-06-18 17:58:28 +0800 | [diff] [blame] | 2630 | } AliasProperty; |
| 2631 | |
Eric Blake | d7bce99 | 2016-01-29 06:48:55 -0700 | [diff] [blame] | 2632 | static void property_get_alias(Object *obj, Visitor *v, const char *name, |
| 2633 | void *opaque, Error **errp) |
Stefan Hajnoczi | ef7c7ff | 2014-06-18 17:58:28 +0800 | [diff] [blame] | 2634 | { |
| 2635 | AliasProperty *prop = opaque; |
| 2636 | |
| 2637 | object_property_get(prop->target_obj, v, prop->target_name, errp); |
| 2638 | } |
| 2639 | |
Eric Blake | d7bce99 | 2016-01-29 06:48:55 -0700 | [diff] [blame] | 2640 | static void property_set_alias(Object *obj, Visitor *v, const char *name, |
| 2641 | void *opaque, Error **errp) |
Stefan Hajnoczi | ef7c7ff | 2014-06-18 17:58:28 +0800 | [diff] [blame] | 2642 | { |
| 2643 | AliasProperty *prop = opaque; |
| 2644 | |
| 2645 | object_property_set(prop->target_obj, v, prop->target_name, errp); |
| 2646 | } |
| 2647 | |
Paolo Bonzini | 64607d0 | 2014-06-05 13:11:51 +0200 | [diff] [blame] | 2648 | static Object *property_resolve_alias(Object *obj, void *opaque, |
Markus Armbruster | ddfb0ba | 2020-05-05 17:29:10 +0200 | [diff] [blame] | 2649 | const char *part) |
Paolo Bonzini | 64607d0 | 2014-06-05 13:11:51 +0200 | [diff] [blame] | 2650 | { |
| 2651 | AliasProperty *prop = opaque; |
| 2652 | |
| 2653 | return object_resolve_path_component(prop->target_obj, prop->target_name); |
| 2654 | } |
| 2655 | |
Stefan Hajnoczi | ef7c7ff | 2014-06-18 17:58:28 +0800 | [diff] [blame] | 2656 | static void property_release_alias(Object *obj, const char *name, void *opaque) |
| 2657 | { |
| 2658 | AliasProperty *prop = opaque; |
| 2659 | |
Eduardo Habkost | 1590d26 | 2015-04-09 16:57:29 -0300 | [diff] [blame] | 2660 | g_free(prop->target_name); |
Stefan Hajnoczi | ef7c7ff | 2014-06-18 17:58:28 +0800 | [diff] [blame] | 2661 | g_free(prop); |
| 2662 | } |
| 2663 | |
Markus Armbruster | 7025188 | 2020-05-05 17:29:14 +0200 | [diff] [blame] | 2664 | ObjectProperty * |
| 2665 | object_property_add_alias(Object *obj, const char *name, |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2666 | Object *target_obj, const char *target_name) |
Stefan Hajnoczi | ef7c7ff | 2014-06-18 17:58:28 +0800 | [diff] [blame] | 2667 | { |
| 2668 | AliasProperty *prop; |
Paolo Bonzini | 64607d0 | 2014-06-05 13:11:51 +0200 | [diff] [blame] | 2669 | ObjectProperty *op; |
Stefan Hajnoczi | ef7c7ff | 2014-06-18 17:58:28 +0800 | [diff] [blame] | 2670 | ObjectProperty *target_prop; |
Markus Armbruster | 7025188 | 2020-05-05 17:29:14 +0200 | [diff] [blame] | 2671 | g_autofree char *prop_type = NULL; |
Stefan Hajnoczi | ef7c7ff | 2014-06-18 17:58:28 +0800 | [diff] [blame] | 2672 | |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2673 | target_prop = object_property_find(target_obj, target_name, |
| 2674 | &error_abort); |
Stefan Hajnoczi | ef7c7ff | 2014-06-18 17:58:28 +0800 | [diff] [blame] | 2675 | |
Paolo Bonzini | d190698 | 2014-06-10 11:17:35 +0200 | [diff] [blame] | 2676 | if (object_property_is_child(target_prop)) { |
| 2677 | prop_type = g_strdup_printf("link%s", |
| 2678 | target_prop->type + strlen("child")); |
| 2679 | } else { |
| 2680 | prop_type = g_strdup(target_prop->type); |
| 2681 | } |
| 2682 | |
Stefan Hajnoczi | ef7c7ff | 2014-06-18 17:58:28 +0800 | [diff] [blame] | 2683 | prop = g_malloc(sizeof(*prop)); |
| 2684 | prop->target_obj = target_obj; |
Eduardo Habkost | 1590d26 | 2015-04-09 16:57:29 -0300 | [diff] [blame] | 2685 | prop->target_name = g_strdup(target_name); |
Stefan Hajnoczi | ef7c7ff | 2014-06-18 17:58:28 +0800 | [diff] [blame] | 2686 | |
Paolo Bonzini | d190698 | 2014-06-10 11:17:35 +0200 | [diff] [blame] | 2687 | op = object_property_add(obj, name, prop_type, |
Paolo Bonzini | 64607d0 | 2014-06-05 13:11:51 +0200 | [diff] [blame] | 2688 | property_get_alias, |
| 2689 | property_set_alias, |
| 2690 | property_release_alias, |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2691 | prop); |
Paolo Bonzini | 64607d0 | 2014-06-05 13:11:51 +0200 | [diff] [blame] | 2692 | op->resolve = property_resolve_alias; |
Marc-André Lureau | 0e76ed0 | 2020-01-10 19:30:23 +0400 | [diff] [blame] | 2693 | if (target_prop->defval) { |
| 2694 | op->defval = qobject_ref(target_prop->defval); |
| 2695 | } |
Paolo Bonzini | d190698 | 2014-06-10 11:17:35 +0200 | [diff] [blame] | 2696 | |
Andreas Färber | a18bb41 | 2015-03-27 17:34:10 +0100 | [diff] [blame] | 2697 | object_property_set_description(obj, op->name, |
Markus Armbruster | 7eecec7 | 2020-05-05 17:29:15 +0200 | [diff] [blame] | 2698 | target_prop->description); |
Markus Armbruster | 7025188 | 2020-05-05 17:29:14 +0200 | [diff] [blame] | 2699 | return op; |
Stefan Hajnoczi | ef7c7ff | 2014-06-18 17:58:28 +0800 | [diff] [blame] | 2700 | } |
| 2701 | |
Gonglei | 8074264 | 2014-10-07 14:33:21 +0800 | [diff] [blame] | 2702 | void object_property_set_description(Object *obj, const char *name, |
Markus Armbruster | 7eecec7 | 2020-05-05 17:29:15 +0200 | [diff] [blame] | 2703 | const char *description) |
Gonglei | 8074264 | 2014-10-07 14:33:21 +0800 | [diff] [blame] | 2704 | { |
| 2705 | ObjectProperty *op; |
| 2706 | |
Markus Armbruster | 7eecec7 | 2020-05-05 17:29:15 +0200 | [diff] [blame] | 2707 | op = object_property_find(obj, name, &error_abort); |
Gonglei | 8074264 | 2014-10-07 14:33:21 +0800 | [diff] [blame] | 2708 | g_free(op->description); |
| 2709 | op->description = g_strdup(description); |
| 2710 | } |
| 2711 | |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2712 | void object_class_property_set_description(ObjectClass *klass, |
| 2713 | const char *name, |
Markus Armbruster | 7eecec7 | 2020-05-05 17:29:15 +0200 | [diff] [blame] | 2714 | const char *description) |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2715 | { |
| 2716 | ObjectProperty *op; |
| 2717 | |
| 2718 | op = g_hash_table_lookup(klass->properties, name); |
Daniel P. Berrange | 16bf7f5 | 2015-10-13 13:37:46 +0100 | [diff] [blame] | 2719 | g_free(op->description); |
| 2720 | op->description = g_strdup(description); |
| 2721 | } |
| 2722 | |
Marc-André Lureau | 7439a03 | 2018-09-06 18:09:32 +0400 | [diff] [blame] | 2723 | static void object_class_init(ObjectClass *klass, void *data) |
Paolo Bonzini | 2f262e0 | 2012-04-02 17:33:51 +0200 | [diff] [blame] | 2724 | { |
Marc-André Lureau | 7439a03 | 2018-09-06 18:09:32 +0400 | [diff] [blame] | 2725 | object_class_property_add_str(klass, "type", qdev_get_type, |
Markus Armbruster | d262312 | 2020-05-05 17:29:22 +0200 | [diff] [blame] | 2726 | NULL); |
Paolo Bonzini | 2f262e0 | 2012-04-02 17:33:51 +0200 | [diff] [blame] | 2727 | } |
| 2728 | |
Paolo Bonzini | 745549c | 2012-03-31 16:45:54 +0200 | [diff] [blame] | 2729 | static void register_types(void) |
| 2730 | { |
| 2731 | static TypeInfo interface_info = { |
| 2732 | .name = TYPE_INTERFACE, |
Anthony Liguori | 33e95c6 | 2012-08-10 13:16:10 +1000 | [diff] [blame] | 2733 | .class_size = sizeof(InterfaceClass), |
Paolo Bonzini | 745549c | 2012-03-31 16:45:54 +0200 | [diff] [blame] | 2734 | .abstract = true, |
| 2735 | }; |
| 2736 | |
| 2737 | static TypeInfo object_info = { |
| 2738 | .name = TYPE_OBJECT, |
| 2739 | .instance_size = sizeof(Object), |
Marc-André Lureau | 7439a03 | 2018-09-06 18:09:32 +0400 | [diff] [blame] | 2740 | .class_init = object_class_init, |
Paolo Bonzini | 745549c | 2012-03-31 16:45:54 +0200 | [diff] [blame] | 2741 | .abstract = true, |
| 2742 | }; |
| 2743 | |
Paolo Bonzini | 049cb3c | 2012-04-04 15:58:40 +0200 | [diff] [blame] | 2744 | type_interface = type_register_internal(&interface_info); |
| 2745 | type_register_internal(&object_info); |
Paolo Bonzini | 745549c | 2012-03-31 16:45:54 +0200 | [diff] [blame] | 2746 | } |
| 2747 | |
| 2748 | type_init(register_types) |