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anjay_dm_handlers.c
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anjay_dm_handlers.c
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/*
* Copyright 2017-2022 AVSystem <avsystem@avsystem.com>
* AVSystem Anjay LwM2M SDK
* All rights reserved.
*
* Licensed under the AVSystem-5-clause License.
* See the attached LICENSE file for details.
*/
#include <anjay_init.h>
#include <avsystem/coap/code.h>
#include <anjay_modules/anjay_dm_utils.h>
#include "../anjay_core.h"
#include "../anjay_io_core.h"
#include "../anjay_utils_private.h"
#ifdef ANJAY_WITH_ATTR_STORAGE
# include "../attr_storage/anjay_attr_storage.h"
#endif // ANJAY_WITH_ATTR_STORAGE
VISIBILITY_SOURCE_BEGIN
#define dm_log(...) _anjay_log(anjay_dm, __VA_ARGS__)
#ifdef ANJAY_WITH_THREAD_SAFETY
static int
unlocking_object_read_default_attrs(anjay_unlocked_t *anjay,
const anjay_dm_installed_object_t obj_def,
anjay_ssid_t ssid,
anjay_dm_oi_attributes_t *out) {
assert(obj_def.type == ANJAY_DM_OBJECT_USER_PROVIDED);
assert(obj_def.impl.user_provided);
assert(*obj_def.impl.user_provided);
assert((*obj_def.impl.user_provided)->handlers.object_read_default_attrs);
int result = -1;
ANJAY_MUTEX_UNLOCK_FOR_CALLBACK(anjay_locked, anjay);
result = (*obj_def.impl.user_provided)
->handlers.object_read_default_attrs(
anjay_locked, obj_def.impl.user_provided, ssid,
out);
ANJAY_MUTEX_LOCK_AFTER_CALLBACK(anjay_locked);
return result;
}
static int
unlocking_object_write_default_attrs(anjay_unlocked_t *anjay,
const anjay_dm_installed_object_t obj_def,
anjay_ssid_t ssid,
const anjay_dm_oi_attributes_t *attrs) {
assert(obj_def.type == ANJAY_DM_OBJECT_USER_PROVIDED);
assert(obj_def.impl.user_provided);
assert(*obj_def.impl.user_provided);
assert((*obj_def.impl.user_provided)->handlers.object_write_default_attrs);
int result = -1;
ANJAY_MUTEX_UNLOCK_FOR_CALLBACK(anjay_locked, anjay);
result = (*obj_def.impl.user_provided)
->handlers.object_write_default_attrs(
anjay_locked, obj_def.impl.user_provided, ssid,
attrs);
ANJAY_MUTEX_LOCK_AFTER_CALLBACK(anjay_locked);
return result;
}
static int unlocking_list_instances(anjay_unlocked_t *anjay,
const anjay_dm_installed_object_t obj_def,
anjay_unlocked_dm_list_ctx_t *ctx) {
assert(obj_def.type == ANJAY_DM_OBJECT_USER_PROVIDED);
assert(obj_def.impl.user_provided);
assert(*obj_def.impl.user_provided);
assert((*obj_def.impl.user_provided)->handlers.list_instances);
int result = -1;
ANJAY_MUTEX_UNLOCK_FOR_CALLBACK(anjay_locked, anjay);
result = (*obj_def.impl.user_provided)
->handlers.list_instances(anjay_locked,
obj_def.impl.user_provided,
&(anjay_dm_list_ctx_t) {
.anjay_locked = anjay_locked,
.unlocked_ctx = ctx
});
ANJAY_MUTEX_LOCK_AFTER_CALLBACK(anjay_locked);
return result;
}
static int unlocking_instance_reset(anjay_unlocked_t *anjay,
const anjay_dm_installed_object_t obj_def,
anjay_iid_t iid) {
assert(obj_def.type == ANJAY_DM_OBJECT_USER_PROVIDED);
assert(obj_def.impl.user_provided);
assert(*obj_def.impl.user_provided);
assert((*obj_def.impl.user_provided)->handlers.instance_reset);
int result = -1;
ANJAY_MUTEX_UNLOCK_FOR_CALLBACK(anjay_locked, anjay);
result = (*obj_def.impl.user_provided)
->handlers.instance_reset(anjay_locked,
obj_def.impl.user_provided, iid);
ANJAY_MUTEX_LOCK_AFTER_CALLBACK(anjay_locked);
return result;
}
static int unlocking_instance_create(anjay_unlocked_t *anjay,
const anjay_dm_installed_object_t obj_def,
anjay_iid_t iid) {
assert(obj_def.type == ANJAY_DM_OBJECT_USER_PROVIDED);
assert(obj_def.impl.user_provided);
assert(*obj_def.impl.user_provided);
assert((*obj_def.impl.user_provided)->handlers.instance_create);
int result = -1;
ANJAY_MUTEX_UNLOCK_FOR_CALLBACK(anjay_locked, anjay);
result =
(*obj_def.impl.user_provided)
->handlers.instance_create(anjay_locked,
obj_def.impl.user_provided, iid);
ANJAY_MUTEX_LOCK_AFTER_CALLBACK(anjay_locked);
return result;
}
static int unlocking_instance_remove(anjay_unlocked_t *anjay,
const anjay_dm_installed_object_t obj_def,
anjay_iid_t iid) {
assert(obj_def.type == ANJAY_DM_OBJECT_USER_PROVIDED);
assert(obj_def.impl.user_provided);
assert(*obj_def.impl.user_provided);
assert((*obj_def.impl.user_provided)->handlers.instance_remove);
int result = -1;
ANJAY_MUTEX_UNLOCK_FOR_CALLBACK(anjay_locked, anjay);
result =
(*obj_def.impl.user_provided)
->handlers.instance_remove(anjay_locked,
obj_def.impl.user_provided, iid);
ANJAY_MUTEX_LOCK_AFTER_CALLBACK(anjay_locked);
return result;
}
static int
unlocking_instance_read_default_attrs(anjay_unlocked_t *anjay,
const anjay_dm_installed_object_t obj_def,
anjay_iid_t iid,
anjay_ssid_t ssid,
anjay_dm_oi_attributes_t *out) {
assert(obj_def.type == ANJAY_DM_OBJECT_USER_PROVIDED);
assert(obj_def.impl.user_provided);
assert(*obj_def.impl.user_provided);
assert((*obj_def.impl.user_provided)->handlers.instance_read_default_attrs);
int result = -1;
ANJAY_MUTEX_UNLOCK_FOR_CALLBACK(anjay_locked, anjay);
result = (*obj_def.impl.user_provided)
->handlers.instance_read_default_attrs(
anjay_locked, obj_def.impl.user_provided, iid,
ssid, out);
ANJAY_MUTEX_LOCK_AFTER_CALLBACK(anjay_locked);
return result;
}
static int unlocking_instance_write_default_attrs(
anjay_unlocked_t *anjay,
const anjay_dm_installed_object_t obj_def,
anjay_iid_t iid,
anjay_ssid_t ssid,
const anjay_dm_oi_attributes_t *attrs) {
assert(obj_def.type == ANJAY_DM_OBJECT_USER_PROVIDED);
assert(obj_def.impl.user_provided);
assert(*obj_def.impl.user_provided);
assert((*obj_def.impl.user_provided)
->handlers.instance_write_default_attrs);
int result = -1;
ANJAY_MUTEX_UNLOCK_FOR_CALLBACK(anjay_locked, anjay);
result = (*obj_def.impl.user_provided)
->handlers.instance_write_default_attrs(
anjay_locked, obj_def.impl.user_provided, iid,
ssid, attrs);
ANJAY_MUTEX_LOCK_AFTER_CALLBACK(anjay_locked);
return result;
}
static int
unlocking_list_resources(anjay_unlocked_t *anjay,
const anjay_dm_installed_object_t obj_def,
anjay_iid_t iid,
anjay_unlocked_dm_resource_list_ctx_t *ctx) {
assert(obj_def.type == ANJAY_DM_OBJECT_USER_PROVIDED);
assert(obj_def.impl.user_provided);
assert(*obj_def.impl.user_provided);
assert((*obj_def.impl.user_provided)->handlers.list_resources);
int result = -1;
ANJAY_MUTEX_UNLOCK_FOR_CALLBACK(anjay_locked, anjay);
result = (*obj_def.impl.user_provided)
->handlers.list_resources(anjay_locked,
obj_def.impl.user_provided, iid,
&(anjay_dm_resource_list_ctx_t) {
.unlocked_ctx = ctx
});
ANJAY_MUTEX_LOCK_AFTER_CALLBACK(anjay_locked);
return result;
}
static int unlocking_resource_read(anjay_unlocked_t *anjay,
const anjay_dm_installed_object_t obj_def,
anjay_iid_t iid,
anjay_rid_t rid,
anjay_riid_t riid,
anjay_unlocked_output_ctx_t *ctx) {
assert(obj_def.type == ANJAY_DM_OBJECT_USER_PROVIDED);
assert(obj_def.impl.user_provided);
assert(*obj_def.impl.user_provided);
assert((*obj_def.impl.user_provided)->handlers.resource_read);
int result = -1;
ANJAY_MUTEX_UNLOCK_FOR_CALLBACK(anjay_locked, anjay);
result = (*obj_def.impl.user_provided)
->handlers.resource_read(anjay_locked,
obj_def.impl.user_provided, iid,
rid, riid,
&(anjay_output_ctx_t) {
.anjay_locked = anjay_locked,
.unlocked_ctx = ctx
});
ANJAY_MUTEX_LOCK_AFTER_CALLBACK(anjay_locked);
return result;
}
static int unlocking_resource_write(anjay_unlocked_t *anjay,
const anjay_dm_installed_object_t obj_def,
anjay_iid_t iid,
anjay_rid_t rid,
anjay_riid_t riid,
anjay_unlocked_input_ctx_t *ctx) {
assert(obj_def.type == ANJAY_DM_OBJECT_USER_PROVIDED);
assert(obj_def.impl.user_provided);
assert(*obj_def.impl.user_provided);
assert((*obj_def.impl.user_provided)->handlers.resource_write);
int result = -1;
ANJAY_MUTEX_UNLOCK_FOR_CALLBACK(anjay_locked, anjay);
result = (*obj_def.impl.user_provided)
->handlers.resource_write(anjay_locked,
obj_def.impl.user_provided, iid,
rid, riid,
&(anjay_input_ctx_t) {
.anjay_locked = anjay_locked,
.unlocked_ctx = ctx
});
ANJAY_MUTEX_LOCK_AFTER_CALLBACK(anjay_locked);
return result;
}
static int unlocking_resource_execute(anjay_unlocked_t *anjay,
const anjay_dm_installed_object_t obj_def,
anjay_iid_t iid,
anjay_rid_t rid,
anjay_unlocked_execute_ctx_t *ctx) {
assert(obj_def.type == ANJAY_DM_OBJECT_USER_PROVIDED);
assert(obj_def.impl.user_provided);
assert(*obj_def.impl.user_provided);
assert((*obj_def.impl.user_provided)->handlers.resource_execute);
int result = -1;
ANJAY_MUTEX_UNLOCK_FOR_CALLBACK(anjay_locked, anjay);
result = (*obj_def.impl.user_provided)
->handlers.resource_execute(
anjay_locked, obj_def.impl.user_provided, iid, rid,
&(anjay_execute_ctx_t) {
.anjay_locked = anjay_locked,
.unlocked_ctx = ctx
});
ANJAY_MUTEX_LOCK_AFTER_CALLBACK(anjay_locked);
return result;
}
static int unlocking_resource_reset(anjay_unlocked_t *anjay,
const anjay_dm_installed_object_t obj_def,
anjay_iid_t iid,
anjay_rid_t rid) {
assert(obj_def.type == ANJAY_DM_OBJECT_USER_PROVIDED);
assert(obj_def.impl.user_provided);
assert(*obj_def.impl.user_provided);
assert((*obj_def.impl.user_provided)->handlers.resource_reset);
int result = -1;
ANJAY_MUTEX_UNLOCK_FOR_CALLBACK(anjay_locked, anjay);
result = (*obj_def.impl.user_provided)
->handlers.resource_reset(anjay_locked,
obj_def.impl.user_provided, iid,
rid);
ANJAY_MUTEX_LOCK_AFTER_CALLBACK(anjay_locked);
return result;
}
static int
unlocking_list_resource_instances(anjay_unlocked_t *anjay,
const anjay_dm_installed_object_t obj_def,
anjay_iid_t iid,
anjay_rid_t rid,
anjay_unlocked_dm_list_ctx_t *ctx) {
assert(obj_def.type == ANJAY_DM_OBJECT_USER_PROVIDED);
assert(obj_def.impl.user_provided);
assert(*obj_def.impl.user_provided);
assert((*obj_def.impl.user_provided)->handlers.list_resource_instances);
int result = -1;
ANJAY_MUTEX_UNLOCK_FOR_CALLBACK(anjay_locked, anjay);
result = (*obj_def.impl.user_provided)
->handlers.list_resource_instances(
anjay_locked, obj_def.impl.user_provided, iid, rid,
&(anjay_dm_list_ctx_t) {
.anjay_locked = anjay_locked,
.unlocked_ctx = ctx
});
ANJAY_MUTEX_LOCK_AFTER_CALLBACK(anjay_locked);
return result;
}
static int
unlocking_resource_read_attrs(anjay_unlocked_t *anjay,
const anjay_dm_installed_object_t obj_def,
anjay_iid_t iid,
anjay_rid_t rid,
anjay_ssid_t ssid,
anjay_dm_r_attributes_t *out) {
assert(obj_def.type == ANJAY_DM_OBJECT_USER_PROVIDED);
assert(obj_def.impl.user_provided);
assert(*obj_def.impl.user_provided);
assert((*obj_def.impl.user_provided)->handlers.resource_read_attrs);
int result = -1;
ANJAY_MUTEX_UNLOCK_FOR_CALLBACK(anjay_locked, anjay);
result = (*obj_def.impl.user_provided)
->handlers.resource_read_attrs(anjay_locked,
obj_def.impl.user_provided,
iid, rid, ssid, out);
ANJAY_MUTEX_LOCK_AFTER_CALLBACK(anjay_locked);
return result;
}
static int
unlocking_resource_write_attrs(anjay_unlocked_t *anjay,
const anjay_dm_installed_object_t obj_def,
anjay_iid_t iid,
anjay_rid_t rid,
anjay_ssid_t ssid,
const anjay_dm_r_attributes_t *attrs) {
assert(obj_def.type == ANJAY_DM_OBJECT_USER_PROVIDED);
assert(obj_def.impl.user_provided);
assert(*obj_def.impl.user_provided);
assert((*obj_def.impl.user_provided)->handlers.resource_write_attrs);
int result = -1;
ANJAY_MUTEX_UNLOCK_FOR_CALLBACK(anjay_locked, anjay);
result = (*obj_def.impl.user_provided)
->handlers.resource_write_attrs(anjay_locked,
obj_def.impl.user_provided,
iid, rid, ssid, attrs);
ANJAY_MUTEX_LOCK_AFTER_CALLBACK(anjay_locked);
return result;
}
static int
unlocking_transaction_begin(anjay_unlocked_t *anjay,
const anjay_dm_installed_object_t obj_def) {
assert(obj_def.type == ANJAY_DM_OBJECT_USER_PROVIDED);
assert(obj_def.impl.user_provided);
assert(*obj_def.impl.user_provided);
assert((*obj_def.impl.user_provided)->handlers.transaction_begin);
int result = -1;
ANJAY_MUTEX_UNLOCK_FOR_CALLBACK(anjay_locked, anjay);
result = (*obj_def.impl.user_provided)
->handlers.transaction_begin(anjay_locked,
obj_def.impl.user_provided);
ANJAY_MUTEX_LOCK_AFTER_CALLBACK(anjay_locked);
return result;
}
static int
unlocking_transaction_validate(anjay_unlocked_t *anjay,
const anjay_dm_installed_object_t obj_def) {
assert(obj_def.type == ANJAY_DM_OBJECT_USER_PROVIDED);
assert(obj_def.impl.user_provided);
assert(*obj_def.impl.user_provided);
assert((*obj_def.impl.user_provided)->handlers.transaction_validate);
int result = -1;
ANJAY_MUTEX_UNLOCK_FOR_CALLBACK(anjay_locked, anjay);
result =
(*obj_def.impl.user_provided)
->handlers.transaction_validate(anjay_locked,
obj_def.impl.user_provided);
ANJAY_MUTEX_LOCK_AFTER_CALLBACK(anjay_locked);
return result;
}
static int
unlocking_transaction_commit(anjay_unlocked_t *anjay,
const anjay_dm_installed_object_t obj_def) {
assert(obj_def.type == ANJAY_DM_OBJECT_USER_PROVIDED);
assert(obj_def.impl.user_provided);
assert(*obj_def.impl.user_provided);
assert((*obj_def.impl.user_provided)->handlers.transaction_commit);
int result = -1;
ANJAY_MUTEX_UNLOCK_FOR_CALLBACK(anjay_locked, anjay);
result = (*obj_def.impl.user_provided)
->handlers.transaction_commit(anjay_locked,
obj_def.impl.user_provided);
ANJAY_MUTEX_LOCK_AFTER_CALLBACK(anjay_locked);
return result;
}
static int
unlocking_transaction_rollback(anjay_unlocked_t *anjay,
const anjay_dm_installed_object_t obj_def) {
assert(obj_def.type == ANJAY_DM_OBJECT_USER_PROVIDED);
assert(obj_def.impl.user_provided);
assert(*obj_def.impl.user_provided);
assert((*obj_def.impl.user_provided)->handlers.transaction_rollback);
int result = -1;
ANJAY_MUTEX_UNLOCK_FOR_CALLBACK(anjay_locked, anjay);
result =
(*obj_def.impl.user_provided)
->handlers.transaction_rollback(anjay_locked,
obj_def.impl.user_provided);
ANJAY_MUTEX_LOCK_AFTER_CALLBACK(anjay_locked);
return result;
}
# ifdef ANJAY_WITH_LWM2M11
static int unlocking_resource_instance_read_attrs(
anjay_unlocked_t *anjay,
const anjay_dm_installed_object_t obj_def,
anjay_iid_t iid,
anjay_rid_t rid,
anjay_riid_t riid,
anjay_ssid_t ssid,
anjay_dm_r_attributes_t *out) {
assert(obj_def.type == ANJAY_DM_OBJECT_USER_PROVIDED);
assert(obj_def.impl.user_provided);
assert(*obj_def.impl.user_provided);
assert((*obj_def.impl.user_provided)
->handlers.resource_instance_read_attrs);
int result = -1;
ANJAY_MUTEX_UNLOCK_FOR_CALLBACK(anjay_locked, anjay);
result = (*obj_def.impl.user_provided)
->handlers.resource_instance_read_attrs(
anjay_locked, obj_def.impl.user_provided, iid, rid,
riid, ssid, out);
ANJAY_MUTEX_LOCK_AFTER_CALLBACK(anjay_locked);
return result;
}
static int unlocking_resource_instance_write_attrs(
anjay_unlocked_t *anjay,
const anjay_dm_installed_object_t obj_def,
anjay_iid_t iid,
anjay_rid_t rid,
anjay_riid_t riid,
anjay_ssid_t ssid,
const anjay_dm_r_attributes_t *attrs) {
assert(obj_def.type == ANJAY_DM_OBJECT_USER_PROVIDED);
assert(obj_def.impl.user_provided);
assert(*obj_def.impl.user_provided);
assert((*obj_def.impl.user_provided)
->handlers.resource_instance_write_attrs);
int result = -1;
ANJAY_MUTEX_UNLOCK_FOR_CALLBACK(anjay_locked, anjay);
result = (*obj_def.impl.user_provided)
->handlers.resource_instance_write_attrs(
anjay_locked, obj_def.impl.user_provided, iid, rid,
riid, ssid, attrs);
ANJAY_MUTEX_LOCK_AFTER_CALLBACK(anjay_locked);
return result;
}
# endif // ANJAY_WITH_LWM2M11
static const anjay_unlocked_dm_handlers_t UNLOCKING_HANDLER_WRAPPERS = {
unlocking_object_read_default_attrs,
unlocking_object_write_default_attrs,
unlocking_list_instances,
unlocking_instance_reset,
unlocking_instance_create,
unlocking_instance_remove,
unlocking_instance_read_default_attrs,
unlocking_instance_write_default_attrs,
unlocking_list_resources,
unlocking_resource_read,
unlocking_resource_write,
unlocking_resource_execute,
unlocking_resource_reset,
unlocking_list_resource_instances,
unlocking_resource_read_attrs,
unlocking_resource_write_attrs,
unlocking_transaction_begin,
unlocking_transaction_validate,
unlocking_transaction_commit,
unlocking_transaction_rollback,
# ifdef ANJAY_WITH_LWM2M11
unlocking_resource_instance_read_attrs,
unlocking_resource_instance_write_attrs,
# endif // ANJAY_WITH_LWM2M11
};
static bool has_handler_locked(const anjay_dm_handlers_t *def,
anjay_dm_handler_t handler_type) {
# define HANDLER_CASE(HandlerName) \
case ANJAY_DM_HANDLER_##HandlerName: \
return def->HandlerName
switch (handler_type) {
HANDLER_CASE(object_read_default_attrs);
HANDLER_CASE(object_write_default_attrs);
HANDLER_CASE(list_instances);
HANDLER_CASE(instance_reset);
HANDLER_CASE(instance_create);
HANDLER_CASE(instance_remove);
HANDLER_CASE(instance_read_default_attrs);
HANDLER_CASE(instance_write_default_attrs);
HANDLER_CASE(list_resources);
HANDLER_CASE(resource_read);
HANDLER_CASE(resource_write);
HANDLER_CASE(resource_execute);
HANDLER_CASE(resource_reset);
HANDLER_CASE(list_resource_instances);
HANDLER_CASE(resource_read_attrs);
HANDLER_CASE(resource_write_attrs);
HANDLER_CASE(transaction_begin);
HANDLER_CASE(transaction_validate);
HANDLER_CASE(transaction_commit);
HANDLER_CASE(transaction_rollback);
# ifdef ANJAY_WITH_LWM2M11
HANDLER_CASE(resource_instance_read_attrs);
HANDLER_CASE(resource_instance_write_attrs);
# endif // ANJAY_WITH_LWM2M11
}
# undef HANDLER_CASE
AVS_UNREACHABLE("unknown handler type passed");
return false;
}
#endif // ANJAY_WITH_THREAD_SAFETY
static bool has_handler_unlocked(const anjay_unlocked_dm_handlers_t *def,
anjay_dm_handler_t handler_type) {
#define HANDLER_CASE(HandlerName) \
case ANJAY_DM_HANDLER_##HandlerName: \
return def->HandlerName
switch (handler_type) {
HANDLER_CASE(object_read_default_attrs);
HANDLER_CASE(object_write_default_attrs);
HANDLER_CASE(list_instances);
HANDLER_CASE(instance_reset);
HANDLER_CASE(instance_create);
HANDLER_CASE(instance_remove);
HANDLER_CASE(instance_read_default_attrs);
HANDLER_CASE(instance_write_default_attrs);
HANDLER_CASE(list_resources);
HANDLER_CASE(resource_read);
HANDLER_CASE(resource_write);
HANDLER_CASE(resource_execute);
HANDLER_CASE(resource_reset);
HANDLER_CASE(list_resource_instances);
HANDLER_CASE(resource_read_attrs);
HANDLER_CASE(resource_write_attrs);
HANDLER_CASE(transaction_begin);
HANDLER_CASE(transaction_validate);
HANDLER_CASE(transaction_commit);
HANDLER_CASE(transaction_rollback);
#ifdef ANJAY_WITH_LWM2M11
HANDLER_CASE(resource_instance_read_attrs);
HANDLER_CASE(resource_instance_write_attrs);
#endif // ANJAY_WITH_LWM2M11
}
#undef HANDLER_CASE
AVS_UNREACHABLE("unknown handler type passed");
return false;
}
static const anjay_unlocked_dm_handlers_t *
get_handler(const anjay_dm_installed_object_t *obj_ptr,
anjay_dm_handler_t handler_type) {
#ifdef ANJAY_WITH_ATTR_STORAGE
switch (handler_type) {
case ANJAY_DM_HANDLER_object_read_default_attrs:
case ANJAY_DM_HANDLER_object_write_default_attrs:
if (!_anjay_dm_implements_any_object_default_attrs_handlers(obj_ptr)) {
return &_ANJAY_ATTR_STORAGE_HANDLERS;
}
break;
case ANJAY_DM_HANDLER_instance_read_default_attrs:
case ANJAY_DM_HANDLER_instance_write_default_attrs:
if (!_anjay_dm_implements_any_instance_default_attrs_handlers(
obj_ptr)) {
return &_ANJAY_ATTR_STORAGE_HANDLERS;
}
break;
case ANJAY_DM_HANDLER_resource_read_attrs:
case ANJAY_DM_HANDLER_resource_write_attrs:
if (!_anjay_dm_implements_any_resource_attrs_handlers(obj_ptr)) {
return &_ANJAY_ATTR_STORAGE_HANDLERS;
}
break;
# ifdef ANJAY_WITH_LWM2M11
case ANJAY_DM_HANDLER_resource_instance_read_attrs:
case ANJAY_DM_HANDLER_resource_instance_write_attrs:
if (!_anjay_dm_implements_any_resource_instance_attrs_handlers(
obj_ptr)) {
return &_ANJAY_ATTR_STORAGE_HANDLERS;
}
break;
# endif // ANJAY_WITH_LWM2M11
default:
break;
}
#endif // ANJAY_WITH_ATTR_STORAGE
#ifdef ANJAY_WITH_THREAD_SAFETY
switch (obj_ptr->type) {
case ANJAY_DM_OBJECT_USER_PROVIDED:
assert(obj_ptr->impl.user_provided);
assert(*obj_ptr->impl.user_provided);
if (has_handler_locked(&(*obj_ptr->impl.user_provided)->handlers,
handler_type)) {
return &UNLOCKING_HANDLER_WRAPPERS;
}
return NULL;
case ANJAY_DM_OBJECT_UNLOCKED:
assert(obj_ptr->impl.unlocked);
assert(*obj_ptr->impl.unlocked);
if (has_handler_unlocked(&(*obj_ptr->impl.unlocked)->handlers,
handler_type)) {
return &(*obj_ptr->impl.unlocked)->handlers;
}
return NULL;
}
AVS_UNREACHABLE("Invalid value of anjay_dm_installed_object_type_t");
return NULL;
#else // ANJAY_WITH_THREAD_SAFETY
assert(*obj_ptr);
assert(**obj_ptr);
if (has_handler_unlocked(&(**obj_ptr)->handlers, handler_type)) {
return &(**obj_ptr)->handlers;
}
return NULL;
#endif // ANJAY_WITH_THREAD_SAFETY
}
bool _anjay_dm_handler_implemented(const anjay_dm_installed_object_t *obj_ptr,
anjay_dm_handler_t handler_type) {
#ifdef ANJAY_WITH_THREAD_SAFETY
switch (obj_ptr->type) {
case ANJAY_DM_OBJECT_USER_PROVIDED:
assert(obj_ptr->impl.user_provided);
assert(*obj_ptr->impl.user_provided);
return has_handler_locked(&(*obj_ptr->impl.user_provided)->handlers,
handler_type);
case ANJAY_DM_OBJECT_UNLOCKED:
assert(obj_ptr->impl.unlocked);
assert(*obj_ptr->impl.unlocked);
return has_handler_unlocked(&(*obj_ptr->impl.unlocked)->handlers,
handler_type);
}
AVS_UNREACHABLE("Invalid value of anjay_dm_installed_object_type_t");
return false;
#else // ANJAY_WITH_THREAD_SAFETY
assert(*obj_ptr);
assert(**obj_ptr);
return has_handler_unlocked(&(**obj_ptr)->handlers, handler_type);
#endif // ANJAY_WITH_THREAD_SAFETY
}
#define CHECKED_TAIL_CALL_HANDLER(ObjPtr, HandlerName, ...) \
do { \
const anjay_unlocked_dm_handlers_t *handler = \
get_handler((ObjPtr), ANJAY_DM_HANDLER_##HandlerName); \
if (handler) { \
int AVS_CONCAT(result, __LINE__) = \
handler->HandlerName(__VA_ARGS__); \
if (AVS_CONCAT(result, __LINE__)) { \
dm_log(DEBUG, #HandlerName _(" failed with code ") "%d (%s)", \
AVS_CONCAT(result, __LINE__), \
AVS_COAP_CODE_STRING(_anjay_make_error_response_code( \
AVS_CONCAT(result, __LINE__)))); \
} \
return AVS_CONCAT(result, __LINE__); \
} else { \
dm_log(DEBUG, \
#HandlerName _(" handler not set for object ") "/%u", \
_anjay_dm_installed_object_oid(ObjPtr)); \
return ANJAY_ERR_METHOD_NOT_ALLOWED; \
} \
} while (0)
int _anjay_dm_call_object_read_default_attrs(
anjay_unlocked_t *anjay,
const anjay_dm_installed_object_t *obj_ptr,
anjay_ssid_t ssid,
anjay_dm_oi_attributes_t *out) {
dm_log(TRACE, _("object_read_default_attrs ") "/%u",
_anjay_dm_installed_object_oid(obj_ptr));
CHECKED_TAIL_CALL_HANDLER(obj_ptr, object_read_default_attrs, anjay,
*obj_ptr, ssid, out);
}
int _anjay_dm_call_object_write_default_attrs(
anjay_unlocked_t *anjay,
const anjay_dm_installed_object_t *obj_ptr,
anjay_ssid_t ssid,
const anjay_dm_oi_attributes_t *attrs) {
dm_log(TRACE, _("object_write_default_attrs ") "/%u",
_anjay_dm_installed_object_oid(obj_ptr));
CHECKED_TAIL_CALL_HANDLER(obj_ptr, object_write_default_attrs, anjay,
*obj_ptr, ssid, attrs);
}
int _anjay_dm_call_list_instances(anjay_unlocked_t *anjay,
const anjay_dm_installed_object_t *obj_ptr,
anjay_unlocked_dm_list_ctx_t *ctx) {
dm_log(TRACE, _("list_instances ") "/%u",
_anjay_dm_installed_object_oid(obj_ptr));
CHECKED_TAIL_CALL_HANDLER(obj_ptr, list_instances, anjay, *obj_ptr, ctx);
}
int _anjay_dm_call_instance_reset(anjay_unlocked_t *anjay,
const anjay_dm_installed_object_t *obj_ptr,
anjay_iid_t iid) {
dm_log(TRACE, _("instance_reset ") "/%u/%u",
_anjay_dm_installed_object_oid(obj_ptr), iid);
int result = _anjay_dm_transaction_include_object(anjay, obj_ptr);
if (result) {
return result;
}
CHECKED_TAIL_CALL_HANDLER(obj_ptr, instance_reset, anjay, *obj_ptr, iid);
}
int _anjay_dm_call_instance_create(anjay_unlocked_t *anjay,
const anjay_dm_installed_object_t *obj_ptr,
anjay_iid_t iid) {
dm_log(TRACE, _("instance_create ") "/%u/%u",
_anjay_dm_installed_object_oid(obj_ptr), iid);
int result = _anjay_dm_transaction_include_object(anjay, obj_ptr);
if (result) {
return result;
}
CHECKED_TAIL_CALL_HANDLER(obj_ptr, instance_create, anjay, *obj_ptr, iid);
}
int _anjay_dm_call_instance_remove(anjay_unlocked_t *anjay,
const anjay_dm_installed_object_t *obj_ptr,
anjay_iid_t iid) {
dm_log(TRACE, _("instance_remove ") "/%u/%u",
_anjay_dm_installed_object_oid(obj_ptr), iid);
int result = _anjay_dm_transaction_include_object(anjay, obj_ptr);
if (result) {
return result;
}
CHECKED_TAIL_CALL_HANDLER(obj_ptr, instance_remove, anjay, *obj_ptr, iid);
}
int _anjay_dm_call_instance_read_default_attrs(
anjay_unlocked_t *anjay,
const anjay_dm_installed_object_t *obj_ptr,
anjay_iid_t iid,
anjay_ssid_t ssid,
anjay_dm_oi_attributes_t *out) {
dm_log(TRACE, _("instance_read_default_attrs ") "/%u/%u",
_anjay_dm_installed_object_oid(obj_ptr), iid);
CHECKED_TAIL_CALL_HANDLER(obj_ptr, instance_read_default_attrs, anjay,
*obj_ptr, iid, ssid, out);
}
int _anjay_dm_call_instance_write_default_attrs(
anjay_unlocked_t *anjay,
const anjay_dm_installed_object_t *obj_ptr,
anjay_iid_t iid,
anjay_ssid_t ssid,
const anjay_dm_oi_attributes_t *attrs) {
dm_log(TRACE, _("instance_write_default_attrs ") "/%u/%u",
_anjay_dm_installed_object_oid(obj_ptr), iid);
CHECKED_TAIL_CALL_HANDLER(obj_ptr, instance_write_default_attrs, anjay,
*obj_ptr, iid, ssid, attrs);
}
int _anjay_dm_call_list_resources(anjay_unlocked_t *anjay,
const anjay_dm_installed_object_t *obj_ptr,
anjay_iid_t iid,
anjay_unlocked_dm_resource_list_ctx_t *ctx) {
dm_log(TRACE, _("list_resources ") "/%u/%u",
_anjay_dm_installed_object_oid(obj_ptr), iid);
CHECKED_TAIL_CALL_HANDLER(obj_ptr, list_resources, anjay, *obj_ptr, iid,
ctx);
}
int _anjay_dm_call_resource_read(anjay_unlocked_t *anjay,
const anjay_dm_installed_object_t *obj_ptr,
anjay_iid_t iid,
anjay_rid_t rid,
anjay_riid_t riid,
anjay_unlocked_output_ctx_t *ctx) {
dm_log(LAZY_TRACE, _("resource_read ") "%s",
ANJAY_DEBUG_MAKE_PATH(&MAKE_RESOURCE_INSTANCE_PATH(
_anjay_dm_installed_object_oid(obj_ptr), iid, rid, riid)));
CHECKED_TAIL_CALL_HANDLER(obj_ptr, resource_read, anjay, *obj_ptr, iid, rid,
riid, ctx);
}
int _anjay_dm_call_resource_write(anjay_unlocked_t *anjay,
const anjay_dm_installed_object_t *obj_ptr,
anjay_iid_t iid,
anjay_rid_t rid,
anjay_riid_t riid,
anjay_unlocked_input_ctx_t *ctx) {
dm_log(LAZY_TRACE, _("resource_write ") "%s",
ANJAY_DEBUG_MAKE_PATH(&MAKE_RESOURCE_INSTANCE_PATH(
_anjay_dm_installed_object_oid(obj_ptr), iid, rid, riid)));
int result = _anjay_dm_transaction_include_object(anjay, obj_ptr);
if (result) {
return result;
}
CHECKED_TAIL_CALL_HANDLER(obj_ptr, resource_write, anjay, *obj_ptr, iid,
rid, riid, ctx);
}
int _anjay_dm_call_resource_execute(anjay_unlocked_t *anjay,
const anjay_dm_installed_object_t *obj_ptr,
anjay_iid_t iid,
anjay_rid_t rid,
anjay_unlocked_execute_ctx_t *execute_ctx) {
dm_log(TRACE, _("resource_execute ") "/%u/%u/%u",
_anjay_dm_installed_object_oid(obj_ptr), iid, rid);
CHECKED_TAIL_CALL_HANDLER(obj_ptr, resource_execute, anjay, *obj_ptr, iid,
rid, execute_ctx);
}
int _anjay_dm_call_resource_reset(anjay_unlocked_t *anjay,
const anjay_dm_installed_object_t *obj_ptr,
anjay_iid_t iid,
anjay_rid_t rid) {
dm_log(TRACE, _("resource_reset ") "/%u/%u/%u",
_anjay_dm_installed_object_oid(obj_ptr), iid, rid);
int result = _anjay_dm_transaction_include_object(anjay, obj_ptr);
if (result) {
return result;
}
CHECKED_TAIL_CALL_HANDLER(obj_ptr, resource_reset, anjay, *obj_ptr, iid,
rid);
}
int _anjay_dm_call_list_resource_instances(
anjay_unlocked_t *anjay,
const anjay_dm_installed_object_t *obj_ptr,
anjay_iid_t iid,
anjay_rid_t rid,
anjay_unlocked_dm_list_ctx_t *ctx) {
dm_log(TRACE, _("list_resource_instances ") "/%u/%u/%u",
_anjay_dm_installed_object_oid(obj_ptr), iid, rid);
if (!_anjay_dm_handler_implemented(
obj_ptr, ANJAY_DM_HANDLER_list_resource_instances)) {
dm_log(TRACE,
_("list_resource_instances handler not set for object ") "/%u",
_anjay_dm_installed_object_oid(obj_ptr));
return ANJAY_ERR_METHOD_NOT_ALLOWED;
}
CHECKED_TAIL_CALL_HANDLER(obj_ptr, list_resource_instances, anjay, *obj_ptr,
iid, rid, ctx);
}
int _anjay_dm_call_resource_read_attrs(
anjay_unlocked_t *anjay,
const anjay_dm_installed_object_t *obj_ptr,
anjay_iid_t iid,
anjay_rid_t rid,
anjay_ssid_t ssid,
anjay_dm_r_attributes_t *out) {
dm_log(TRACE, _("resource_read_attrs ") "/%u/%u/%u",
_anjay_dm_installed_object_oid(obj_ptr), iid, rid);
CHECKED_TAIL_CALL_HANDLER(obj_ptr, resource_read_attrs, anjay, *obj_ptr,
iid, rid, ssid, out);
}
int _anjay_dm_call_resource_write_attrs(
anjay_unlocked_t *anjay,
const anjay_dm_installed_object_t *obj_ptr,
anjay_iid_t iid,
anjay_rid_t rid,
anjay_ssid_t ssid,
const anjay_dm_r_attributes_t *attrs) {
dm_log(TRACE, _("resource_write_attrs ") "/%u/%u/%u",
_anjay_dm_installed_object_oid(obj_ptr), iid, rid);
CHECKED_TAIL_CALL_HANDLER(obj_ptr, resource_write_attrs, anjay, *obj_ptr,
iid, rid, ssid, attrs);
}
#ifdef ANJAY_WITH_LWM2M11
int _anjay_dm_call_resource_instance_read_attrs(
anjay_unlocked_t *anjay,
const anjay_dm_installed_object_t *obj_ptr,
anjay_iid_t iid,
anjay_rid_t rid,
anjay_riid_t riid,
anjay_ssid_t ssid,
anjay_dm_r_attributes_t *out) {
dm_log(TRACE, _("resource_instance_read_attrs ") "/%u/%u/%u/%u",
_anjay_dm_installed_object_oid(obj_ptr), iid, rid, riid);
CHECKED_TAIL_CALL_HANDLER(obj_ptr, resource_instance_read_attrs, anjay,
*obj_ptr, iid, rid, riid, ssid, out);
}
int _anjay_dm_call_resource_instance_write_attrs(
anjay_unlocked_t *anjay,
const anjay_dm_installed_object_t *obj_ptr,
anjay_iid_t iid,
anjay_rid_t rid,
anjay_riid_t riid,
anjay_ssid_t ssid,
const anjay_dm_r_attributes_t *attrs) {
dm_log(TRACE, _("resource_instance_write_attrs ") "/%u/%u/%u/%u",
_anjay_dm_installed_object_oid(obj_ptr), iid, rid, riid);
CHECKED_TAIL_CALL_HANDLER(obj_ptr, resource_instance_write_attrs, anjay,
*obj_ptr, iid, rid, riid, ssid, attrs);
}
#endif // ANJAY_WITH_LWM2M11
int _anjay_dm_call_transaction_begin(
anjay_unlocked_t *anjay, const anjay_dm_installed_object_t *obj_ptr) {
dm_log(TRACE, _("begin_object_transaction ") "/%u",
_anjay_dm_installed_object_oid(obj_ptr));
CHECKED_TAIL_CALL_HANDLER(obj_ptr, transaction_begin, anjay, *obj_ptr);
}
int _anjay_dm_call_transaction_validate(
anjay_unlocked_t *anjay, const anjay_dm_installed_object_t *obj_ptr) {
dm_log(TRACE, _("validate_object ") "/%u",
_anjay_dm_installed_object_oid(obj_ptr));
CHECKED_TAIL_CALL_HANDLER(obj_ptr, transaction_validate, anjay, *obj_ptr);
}
int _anjay_dm_call_transaction_commit(
anjay_unlocked_t *anjay, const anjay_dm_installed_object_t *obj_ptr) {
dm_log(TRACE, _("commit_object ") "/%u",
_anjay_dm_installed_object_oid(obj_ptr));
CHECKED_TAIL_CALL_HANDLER(obj_ptr, transaction_commit, anjay, *obj_ptr);
}
int _anjay_dm_call_transaction_rollback(
anjay_unlocked_t *anjay, const anjay_dm_installed_object_t *obj_ptr) {
dm_log(TRACE, _("rollback_object ") "/%u",
_anjay_dm_installed_object_oid(obj_ptr));
CHECKED_TAIL_CALL_HANDLER(obj_ptr, transaction_rollback, anjay, *obj_ptr);
}
#define MAX_SANE_TRANSACTION_DEPTH 64
avs_error_t _anjay_dm_transaction_begin(anjay_unlocked_t *anjay) {
dm_log(TRACE, _("transaction_begin"));
avs_error_t err = AVS_OK;
#ifdef ANJAY_WITH_ATTR_STORAGE
err = _anjay_attr_storage_transaction_begin(anjay);
#endif // ANJAY_WITH_ATTR_STORAGE
if (avs_is_ok(err)) {
++anjay->transaction_state.depth;
}
assert(anjay->transaction_state.depth < MAX_SANE_TRANSACTION_DEPTH);
return err;
}
int _anjay_dm_transaction_include_object(
anjay_unlocked_t *anjay, const anjay_dm_installed_object_t *obj_ptr) {
dm_log(TRACE, _("transaction_include_object ") "/%u",
_anjay_dm_installed_object_oid(obj_ptr));
assert(anjay->transaction_state.depth > 0);
AVS_LIST(const anjay_dm_installed_object_t *) *it;
AVS_LIST_FOREACH_PTR(it, &anjay->transaction_state.objs_in_transaction) {
if (**it >= obj_ptr) {
break;
}
}
if (!*it || **it != obj_ptr) {
AVS_LIST(const anjay_dm_installed_object_t *) new_entry =
AVS_LIST_NEW_ELEMENT(const anjay_dm_installed_object_t *);
if (!new_entry) {
dm_log(ERROR, _("out of memory"));
return -1;
}
*new_entry = obj_ptr;
AVS_LIST_INSERT(it, new_entry);
int result = _anjay_dm_call_transaction_begin(anjay, obj_ptr);
if (result) {
// transaction_begin may have added new entries
while (*it != new_entry) {
AVS_LIST_ADVANCE_PTR(&it);
}
AVS_LIST_DELETE(it);
return result;
}
}
return 0;
}
static int commit_or_rollback_object(anjay_unlocked_t *anjay,
const anjay_dm_installed_object_t *obj,
int predicate) {
int result;