bool gatt_db_attribute_get_service_data(const struct gatt_db_attribute *attrib,
uint16_t *start_handle,
uint16_t *end_handle,
bool *primary,
bt_uuid_t *uuid)
{
struct gatt_db_service *service;
struct gatt_db_attribute *decl;
if (!attrib)
return false;
service = attrib->service;
decl = service->attributes[0];
gatt_db_service_get_handles(service, start_handle, end_handle);
if (primary)
*primary = bt_uuid_cmp(&decl->uuid, &secondary_service_uuid);
if (!uuid)
return true;
/*
* The service declaration attribute value is the 16 or 128 bit service
* UUID.
*/
return le_to_uuid(decl->value, decl->value_len, uuid);
}
bool gatt_db_attribute_get_char_data(const struct gatt_db_attribute *attrib,
uint16_t *handle,
uint16_t *value_handle,
uint8_t *properties,
uint16_t *ext_prop,
bt_uuid_t *uuid)
{
if (!attrib)
return false;
if (bt_uuid_cmp(&characteristic_uuid, &attrib->uuid))
return false;
/*
* Characteristic declaration value:
* 1 octet: Characteristic properties
* 2 octets: Characteristic value handle
* 2 or 16 octets: characteristic UUID
*/
if (!attrib->value || (attrib->value_len != 5 &&
attrib->value_len != 19))
return false;
if (handle)
*handle = attrib->handle;
if (properties)
*properties = attrib->value[0];
if (ext_prop)
*ext_prop = get_char_extended_prop(attrib);
if (value_handle)
*value_handle = get_le16(attrib->value + 1);
if (!uuid)
return true;
return le_to_uuid(attrib->value + 3, attrib->value_len - 3, uuid);
}
