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/*
*
* Copyright (c) 2021 Project CHIP Authors
* All rights reserved.
*
* 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.
*/
#include <controller/CurrentFabricRemover.h>
#include <app-common/zap-generated/cluster-objects.h>
using namespace chip::app::Clusters;
namespace chip {
namespace Controller {
CHIP_ERROR CurrentFabricRemover::RemoveCurrentFabric(NodeId remoteNodeId, Callback::Callback<OnCurrentFabricRemove> * callback)
{
mRemoteNodeId = remoteNodeId;
mCurrentFabricRemoveCallback = callback;
mNextStep = Step::kReadCurrentFabricIndex;
return mController->GetConnectedDevice(remoteNodeId, &mOnDeviceConnectedCallback, &mOnDeviceConnectionFailureCallback);
}
CHIP_ERROR CurrentFabricRemover::ReadCurrentFabricIndex(Messaging::ExchangeManager & exchangeMgr,
const SessionHandle & sessionHandle)
{
using TypeInfo = OperationalCredentials::Attributes::CurrentFabricIndex::TypeInfo;
ClusterBase cluster(exchangeMgr, sessionHandle, kRootEndpointId);
return cluster.ReadAttribute<TypeInfo>(this, OnSuccessReadCurrentFabricIndex, OnReadAttributeFailure);
}
CHIP_ERROR CurrentFabricRemover::SendRemoveFabricIndex(Messaging::ExchangeManager & exchangeMgr,
const SessionHandle & sessionHandle)
{
if (mFabricIndex == kUndefinedFabricIndex)
{
return CHIP_ERROR_INVALID_FABRIC_INDEX;
}
OperationalCredentials::Commands::RemoveFabric::Type request;
request.fabricIndex = mFabricIndex;
ClusterBase cluster(exchangeMgr, sessionHandle, 0);
return cluster.InvokeCommand(request, this, OnSuccessRemoveFabric, OnCommandFailure);
}
void CurrentFabricRemover::OnDeviceConnectedFn(void * context, Messaging::ExchangeManager & exchangeMgr,
const SessionHandle & sessionHandle)
{
CHIP_ERROR err = CHIP_NO_ERROR;
auto * self = static_cast<CurrentFabricRemover *>(context);
VerifyOrReturn(self != nullptr, ChipLogProgress(Controller, "Device connected callback with null context. Ignoring"));
switch (self->mNextStep)
{
case Step::kReadCurrentFabricIndex: {
err = self->ReadCurrentFabricIndex(exchangeMgr, sessionHandle);
break;
}
case Step::kSendRemoveFabric: {
err = self->SendRemoveFabricIndex(exchangeMgr, sessionHandle);
break;
}
default:
err = CHIP_ERROR_INCORRECT_STATE;
break;
}
if (err != CHIP_NO_ERROR)
{
ChipLogError(Controller, "Current Fabric Remover failure : %" CHIP_ERROR_FORMAT, err.Format());
FinishRemoveCurrentFabric(context, err);
}
}
void CurrentFabricRemover::OnDeviceConnectionFailureFn(void * context, const ScopedNodeId & peerId, CHIP_ERROR err)
{
ChipLogProgress(Controller, "OnDeviceConnectionFailureFn: %" CHIP_ERROR_FORMAT, err.Format());
auto * self = static_cast<CurrentFabricRemover *>(context);
VerifyOrReturn(self != nullptr, ChipLogProgress(Controller, "Device connected failure callback with null context. Ignoring"));
FinishRemoveCurrentFabric(context, err);
}
void CurrentFabricRemover::OnSuccessReadCurrentFabricIndex(void * context, FabricIndex fabricIndex)
{
auto * self = static_cast<CurrentFabricRemover *>(context);
VerifyOrReturn(self != nullptr,
ChipLogProgress(Controller, "Success Read Current Fabric index callback with null context. Ignoring"));
self->mFabricIndex = fabricIndex;
self->mNextStep = Step::kSendRemoveFabric;
CHIP_ERROR err = self->mController->GetConnectedDevice(self->mRemoteNodeId, &self->mOnDeviceConnectedCallback,
&self->mOnDeviceConnectionFailureCallback);
if (err != CHIP_NO_ERROR)
{
FinishRemoveCurrentFabric(context, err);
}
}
void CurrentFabricRemover::OnReadAttributeFailure(void * context, CHIP_ERROR err)
{
ChipLogProgress(Controller, "OnReadAttributeFailure %" CHIP_ERROR_FORMAT, err.Format());
auto * self = static_cast<CurrentFabricRemover *>(context);
VerifyOrReturn(self != nullptr, ChipLogProgress(Controller, "Read Attribute failure callback with null context. Ignoring"));
FinishRemoveCurrentFabric(context, err);
}
void CurrentFabricRemover::OnSuccessRemoveFabric(void * context,
const OperationalCredentials::Commands::NOCResponse::DecodableType & data)
{
auto * self = static_cast<CurrentFabricRemover *>(context);
VerifyOrReturn(self != nullptr,
ChipLogProgress(Controller, "Success Remove Fabric command callback with null context. Ignoring"));
FinishRemoveCurrentFabric(context, CHIP_NO_ERROR);
}
void CurrentFabricRemover::OnCommandFailure(void * context, CHIP_ERROR err)
{
ChipLogProgress(Controller, "OnCommandFailure %" CHIP_ERROR_FORMAT, err.Format());
auto * self = static_cast<CurrentFabricRemover *>(context);
VerifyOrReturn(self != nullptr, ChipLogProgress(Controller, "Send command failure callback with null context. Ignoring"));
FinishRemoveCurrentFabric(context, err);
}
void CurrentFabricRemover::FinishRemoveCurrentFabric(void * context, CHIP_ERROR err)
{
if (err == CHIP_NO_ERROR)
{
ChipLogProgress(Controller, "Remove Current Fabric succeeded.");
}
else
{
ChipLogError(Controller, "Remove Current Fabric Failed : %" CHIP_ERROR_FORMAT, err.Format());
}
auto * self = static_cast<CurrentFabricRemover *>(context);
self->mNextStep = Step::kAcceptRemoveFabricStart;
if (self->mCurrentFabricRemoveCallback != nullptr)
{
self->mCurrentFabricRemoveCallback->mCall(self->mCurrentFabricRemoveCallback->mContext, self->mRemoteNodeId, err);
}
}
AutoCurrentFabricRemover::AutoCurrentFabricRemover(DeviceController * controller) :
CurrentFabricRemover(controller), mOnRemoveCurrentFabricCallback(OnRemoveCurrentFabric, this)
{}
CHIP_ERROR AutoCurrentFabricRemover::RemoveCurrentFabric(DeviceController * controller, NodeId remoteNodeId)
{
// Not using Platform::New because we want to keep our constructor private.
auto * remover = new (std::nothrow) AutoCurrentFabricRemover(controller);
if (remover == nullptr)
{
return CHIP_ERROR_NO_MEMORY;
}
CHIP_ERROR err = remover->CurrentFabricRemover::RemoveCurrentFabric(remoteNodeId, &remover->mOnRemoveCurrentFabricCallback);
if (err != CHIP_NO_ERROR)
{
delete remover;
}
// Else will clean up when the callback is called.
return err;
}
void AutoCurrentFabricRemover::OnRemoveCurrentFabric(void * context, NodeId remoteNodeId, CHIP_ERROR status)
{
auto * self = static_cast<AutoCurrentFabricRemover *>(context);
delete self;
}
} // namespace Controller
} // namespace chip