AttributeAccessInterfaceRegistry.h

/**
 *    Copyright (c) 2024 Project CHIP Authors
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */
#pragma once

#include <app/AttributeAccessInterface.h>
#include <app/util/af-types.h>

/**
 * Register an attribute access override.  It will remain registered until the
 * endpoint it's registered for is disabled (or until shutdown if it's
 * registered for all endpoints) or until it is explicitly unregistered.
 * Registration will fail if there is an already-registered override for the
 * same set of attributes.
 *
 * @return false if there is an existing override that the new one would
 *               conflict with.  In this case the override is not registered.
 * @return true if registration was successful.
 */
bool registerAttributeAccessOverride(chip::app::AttributeAccessInterface * attrOverride);

/**
 * Unregister an attribute access override (for example if the object
 * implementing AttributeAccessInterface is being destroyed).
 */
void unregisterAttributeAccessOverride(chip::app::AttributeAccessInterface * attrOverride);

/**
 * Unregister all attribute access interfaces that match this given endpoint.
 */
void unregisterAllAttributeAccessOverridesForEndpoint(EmberAfDefinedEndpoint * definedEndpoint);

namespace chip {
namespace app {

/**
 *  Get the registered attribute access override. nullptr when attribute access override is not found.
 */
AttributeAccessInterface * GetAttributeAccessOverride(EndpointId aEndpointId, ClusterId aClusterId);

} // namespace app
} // namespace chip