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/*
* Copyright (c) 2020-2022 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.
*
*/
#pragma once
#include <app/util/basic-types.h>
#include <controller/CHIPDeviceController.h>
#include <inipp/inipp.h>
#include <lib/support/logging/CHIPLogging.h>
class PersistentStorage : public chip::PersistentStorageDelegate
{
public:
/**
* name is the name of the storage to use. If null, defaults to
* "chip_tool_config.ini".
*
* directory is the directory the storage file should be placed in. If
* null, falls back to getenv("TMPDIR") and if that is not set falls back
* to /tmp.
*
* If non-null values are provided, the memory they point to is expected to
* outlive this object.
*/
CHIP_ERROR Init(const char * name = nullptr, const char * directory = nullptr);
/////////// PersistentStorageDelegate Interface /////////
CHIP_ERROR SyncGetKeyValue(const char * key, void * buffer, uint16_t & size) override;
CHIP_ERROR SyncSetKeyValue(const char * key, const void * value, uint16_t size) override;
CHIP_ERROR SyncDeleteKeyValue(const char * key) override;
bool SyncDoesKeyExist(const char * key) override;
void DumpKeys() const;
uint16_t GetListenPort();
chip::Logging::LogCategory GetLoggingLevel();
// Return the stored local node id, or the default one if nothing is stored.
chip::NodeId GetLocalNodeId();
// Store local node id.
CHIP_ERROR SetLocalNodeId(chip::NodeId nodeId);
// Return the stored local device (commissioner) CASE Authenticated Tags (CATs).
chip::CATValues GetCommissionerCATs();
// Store local CATs.
CHIP_ERROR SetCommissionerCATs(const chip::CATValues & cats);
// Clear all of the persistent storage for running session.
CHIP_ERROR SyncClearAll();
private:
CHIP_ERROR CommitConfig(const char * directory, const char * name);
inipp::Ini<char> mConfig;
const char * mName;
const char * mDirectory;
};