blob: bd952f148647fc92b7e96c7f9991958bf64c53fb [file] [log] [blame]
/*
*
* Copyright (c) 2021 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.
*/
/****************************************************************************
* @file
* @brief Implementation for the Fixed Label Server Cluster
***************************************************************************/
#include <app-common/zap-generated/cluster-objects.h>
#include <app-common/zap-generated/ids/Attributes.h>
#include <app-common/zap-generated/ids/Clusters.h>
#include <app/AttributeAccessInterface.h>
#include <app/AttributeAccessInterfaceRegistry.h>
#include <app/util/attribute-storage.h>
#include <lib/support/CodeUtils.h>
#include <lib/support/logging/CHIPLogging.h>
#include <platform/DeviceInfoProvider.h>
#include <platform/PlatformManager.h>
using namespace chip;
using namespace chip::app;
using namespace chip::app::Clusters;
using namespace chip::app::Clusters::FixedLabel;
using namespace chip::app::Clusters::FixedLabel::Attributes;
namespace {
class FixedLabelAttrAccess : public AttributeAccessInterface
{
public:
// Register for the Fixed Label cluster on all endpoints.
FixedLabelAttrAccess() : AttributeAccessInterface(Optional<EndpointId>::Missing(), FixedLabel::Id) {}
CHIP_ERROR Read(const ConcreteReadAttributePath & aPath, AttributeValueEncoder & aEncoder) override;
private:
CHIP_ERROR ReadLabelList(EndpointId endpoint, AttributeValueEncoder & aEncoder);
};
CHIP_ERROR FixedLabelAttrAccess::ReadLabelList(EndpointId endpoint, AttributeValueEncoder & aEncoder)
{
CHIP_ERROR err = CHIP_NO_ERROR;
DeviceLayer::DeviceInfoProvider * provider = DeviceLayer::GetDeviceInfoProvider();
if (provider)
{
DeviceLayer::DeviceInfoProvider::FixedLabelIterator * it = provider->IterateFixedLabel(endpoint);
if (it)
{
err = aEncoder.EncodeList([&it](const auto & encoder) -> CHIP_ERROR {
FixedLabel::Structs::LabelStruct::Type fixedlabel;
while (it->Next(fixedlabel))
{
ReturnErrorOnFailure(encoder.Encode(fixedlabel));
}
return CHIP_NO_ERROR;
});
it->Release();
}
else
{
err = aEncoder.EncodeEmptyList();
}
}
else
{
err = aEncoder.EncodeEmptyList();
}
return err;
}
FixedLabelAttrAccess gAttrAccess;
CHIP_ERROR FixedLabelAttrAccess::Read(const ConcreteReadAttributePath & aPath, AttributeValueEncoder & aEncoder)
{
VerifyOrDie(aPath.mClusterId == FixedLabel::Id);
switch (aPath.mAttributeId)
{
case LabelList::Id: {
return ReadLabelList(aPath.mEndpointId, aEncoder);
}
default: {
break;
}
}
return CHIP_NO_ERROR;
}
} // anonymous namespace
void MatterFixedLabelPluginServerInitCallback()
{
registerAttributeAccessOverride(&gAttrAccess);
}