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/*
*
* 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 Descriptor Server Cluster
***************************************************************************/
#include <app-common/zap-generated/attributes/Accessors.h>
#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>
using namespace chip;
using namespace chip::app;
using namespace chip::app::Clusters;
using namespace chip::app::Clusters::PowerSourceConfiguration::Attributes;
using namespace chip::app::Clusters::PowerSource;
namespace {
constexpr uint8_t kMaxPowerSources = 6;
class PowerSourceConfigurationAttrAccess : public AttributeAccessInterface
{
public:
// Register on all endpoints.
PowerSourceConfigurationAttrAccess() : AttributeAccessInterface(Optional<EndpointId>(0), PowerSourceConfiguration::Id) {}
CHIP_ERROR Read(const ConcreteReadAttributePath & aPath, AttributeValueEncoder & aEncoder) override;
};
PowerSourceConfigurationAttrAccess gAttrAccess;
CHIP_ERROR PowerSourceConfigurationAttrAccess::Read(const ConcreteReadAttributePath & aPath, AttributeValueEncoder & aEncoder)
{
CHIP_ERROR err = CHIP_NO_ERROR;
if (aPath.mClusterId != PowerSourceConfiguration::Id)
{
return CHIP_ERROR_INVALID_PATH_LIST;
}
switch (aPath.mAttributeId)
{
case Sources::Id:
err = aEncoder.EncodeList([](const auto & encoder) -> CHIP_ERROR {
std::pair<uint16_t, uint8_t> orderEpPair[kMaxPowerSources];
uint8_t idx = 0;
for (auto endpoint : EnabledEndpointsWithServerCluster(PowerSource::Id))
{
uint8_t order = 0;
if (idx >= kMaxPowerSources)
break;
PowerSource::Attributes::Order::Get(endpoint, &order);
orderEpPair[idx] = std::make_pair(endpoint, order);
idx++;
}
for (int i = 0; i < idx - 1; i++)
{
for (int j = 0; j < idx - i - 1; j++)
if ((orderEpPair[j]).second > (orderEpPair[j + 1]).second)
swap(orderEpPair[j], orderEpPair[j + 1]);
}
for (int k = 0; k < idx; k++)
{
ReturnErrorOnFailure(encoder.Encode(orderEpPair[k].first));
}
return CHIP_NO_ERROR;
});
break;
default:
break;
}
return err;
}
} // anonymous namespace
void MatterPowerSourceConfigurationPluginServerInitCallback()
{
registerAttributeAccessOverride(&gAttrAccess);
}