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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 Routines for the Audio Output plugin, the
*server implementation of the Audio Output cluster.
*******************************************************************************
******************************************************************************/
#include <app/clusters/audio-output-server/audio-output-delegate.h>
#include <app/clusters/audio-output-server/audio-output-server.h>
#include <app-common/zap-generated/attributes/Accessors.h>
#include <app/AttributeAccessInterface.h>
#include <app/CommandHandler.h>
#include <app/ConcreteCommandPath.h>
#include <app/data-model/Encode.h>
#include <app/util/attribute-storage.h>
#include <platform/CHIPDeviceConfig.h>
using namespace chip;
using namespace chip::app::Clusters::AudioOutput;
static constexpr size_t kAudioOutputDelegateTableSize =
EMBER_AF_AUDIO_OUTPUT_CLUSTER_SERVER_ENDPOINT_COUNT + CHIP_DEVICE_CONFIG_DYNAMIC_ENDPOINT_COUNT;
// -----------------------------------------------------------------------------
// Delegate Implementation
using chip::app::Clusters::AudioOutput::Delegate;
namespace {
Delegate * gDelegateTable[kAudioOutputDelegateTableSize] = { nullptr };
Delegate * GetDelegate(EndpointId endpoint)
{
uint16_t ep = emberAfFindClusterServerEndpointIndex(endpoint, chip::app::Clusters::AudioOutput::Id);
return (ep == 0xFFFF ? nullptr : gDelegateTable[ep]);
}
bool isDelegateNull(Delegate * delegate, EndpointId endpoint)
{
if (delegate == nullptr)
{
ChipLogProgress(Zcl, "Audio Output has no delegate set for endpoint:%u", endpoint);
return true;
}
return false;
}
} // namespace
namespace chip {
namespace app {
namespace Clusters {
namespace AudioOutput {
void SetDefaultDelegate(EndpointId endpoint, Delegate * delegate)
{
uint16_t ep = emberAfFindClusterServerEndpointIndex(endpoint, chip::app::Clusters::AudioOutput::Id);
if (ep != 0xFFFF)
{
gDelegateTable[ep] = delegate;
}
else
{
}
}
bool HasFeature(chip::EndpointId endpoint, AudioOutputFeature feature)
{
bool hasFeature = false;
uint32_t featureMap = 0;
EmberAfStatus status = Attributes::FeatureMap::Get(endpoint, &featureMap);
if (EMBER_ZCL_STATUS_SUCCESS == status)
{
hasFeature = (featureMap & chip::to_underlying(feature));
}
return hasFeature;
}
} // namespace AudioOutput
} // namespace Clusters
} // namespace app
} // namespace chip
// -----------------------------------------------------------------------------
// Attribute Accessor Implementation
namespace {
class AudioOutputAttrAccess : public app::AttributeAccessInterface
{
public:
AudioOutputAttrAccess() : app::AttributeAccessInterface(Optional<EndpointId>::Missing(), chip::app::Clusters::AudioOutput::Id)
{}
CHIP_ERROR Read(const app::ConcreteReadAttributePath & aPath, app::AttributeValueEncoder & aEncoder) override;
private:
CHIP_ERROR ReadOutputListAttribute(app::AttributeValueEncoder & aEncoder, Delegate * delegate);
CHIP_ERROR ReadCurrentOutputAttribute(app::AttributeValueEncoder & aEncoder, Delegate * delegate);
};
AudioOutputAttrAccess gAudioOutputAttrAccess;
CHIP_ERROR AudioOutputAttrAccess::Read(const app::ConcreteReadAttributePath & aPath, app::AttributeValueEncoder & aEncoder)
{
EndpointId endpoint = aPath.mEndpointId;
Delegate * delegate = GetDelegate(endpoint);
switch (aPath.mAttributeId)
{
case app::Clusters::AudioOutput::Attributes::OutputList::Id: {
if (isDelegateNull(delegate, endpoint))
{
return aEncoder.EncodeEmptyList();
}
return ReadOutputListAttribute(aEncoder, delegate);
}
case app::Clusters::AudioOutput::Attributes::CurrentOutput::Id: {
if (isDelegateNull(delegate, endpoint))
{
return CHIP_NO_ERROR;
}
return ReadCurrentOutputAttribute(aEncoder, delegate);
}
default: {
break;
}
}
return CHIP_NO_ERROR;
}
CHIP_ERROR AudioOutputAttrAccess::ReadOutputListAttribute(app::AttributeValueEncoder & aEncoder, Delegate * delegate)
{
return delegate->HandleGetOutputList(aEncoder);
}
CHIP_ERROR AudioOutputAttrAccess::ReadCurrentOutputAttribute(app::AttributeValueEncoder & aEncoder, Delegate * delegate)
{
uint8_t currentOutput = delegate->HandleGetCurrentOutput();
return aEncoder.Encode(currentOutput);
}
} // anonymous namespace
// -----------------------------------------------------------------------------
// Matter Framework Callbacks Implementation
bool emberAfAudioOutputClusterRenameOutputCallback(app::CommandHandler * command, const app::ConcreteCommandPath & commandPath,
const Commands::RenameOutput::DecodableType & commandData)
{
CHIP_ERROR err = CHIP_NO_ERROR;
EndpointId endpoint = commandPath.mEndpointId;
auto & index = commandData.index;
auto & name = commandData.name;
Delegate * delegate = GetDelegate(endpoint);
VerifyOrExit(isDelegateNull(delegate, endpoint) != true, err = CHIP_ERROR_INCORRECT_STATE);
if (!HasFeature(endpoint, AudioOutputFeature::kNameUpdates))
{
ChipLogError(Zcl, "AudioOutput no name updates feature");
err = CHIP_ERROR_INCORRECT_STATE;
ExitNow();
}
Protocols::InteractionModel::Status status;
if (delegate->HandleRenameOutput(index, name))
{
status = Protocols::InteractionModel::Status::Success;
}
else
{
status = Protocols::InteractionModel::Status::Failure;
}
command->AddStatus(commandPath, status);
exit:
if (err != CHIP_NO_ERROR)
{
ChipLogError(Zcl, "emberAfAudioOutputClusterRenameOutputCallback error: %s", err.AsString());
command->AddStatus(commandPath, Protocols::InteractionModel::Status::Failure);
}
return true;
}
bool emberAfAudioOutputClusterSelectOutputCallback(app::CommandHandler * command, const app::ConcreteCommandPath & commandPath,
const Commands::SelectOutput::DecodableType & commandData)
{
CHIP_ERROR err = CHIP_NO_ERROR;
EndpointId endpoint = commandPath.mEndpointId;
EmberAfStatus status = EMBER_ZCL_STATUS_SUCCESS;
auto & index = commandData.index;
Delegate * delegate = GetDelegate(endpoint);
VerifyOrExit(isDelegateNull(delegate, endpoint) != true, err = CHIP_ERROR_INCORRECT_STATE);
if (!delegate->HandleSelectOutput(index))
{
status = EMBER_ZCL_STATUS_FAILURE;
}
exit:
if (err != CHIP_NO_ERROR)
{
ChipLogError(Zcl, "emberAfAudioOutputClusterSelectOutputCallback error: %s", err.AsString());
status = EMBER_ZCL_STATUS_FAILURE;
}
emberAfSendImmediateDefaultResponse(status);
return true;
}
void MatterAudioOutputPluginServerInitCallback()
{
registerAttributeAccessOverride(&gAudioOutputAttrAccess);
}