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KeyValueStoreManagerImpl.cpp
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KeyValueStoreManagerImpl.cpp
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/*
*
* Copyright (c) 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.
*/
/**
* @file
* Provides an implementation of the key-value storage manager class
* for Open IOT SDK platform.
*/
#include <cstring>
#include <platform/internal/CHIPDeviceLayerInternal.h>
#include <lib/support/CHIPMem.h>
#include <platform/KeyValueStoreManager.h>
#include <platform/openiotsdk/KVPsaPsStore.h>
using namespace ::chip::DeviceLayer::Internal;
namespace chip {
namespace DeviceLayer {
namespace PersistedStorage {
CHIP_ERROR KeyValueStoreManagerImpl::ToKeyValueStoreManagerError(CHIP_ERROR err)
{
return err == CHIP_DEVICE_ERROR_CONFIG_NOT_FOUND ? CHIP_ERROR_PERSISTED_STORAGE_VALUE_NOT_FOUND : err;
}
CHIP_ERROR KeyValueStoreManagerImpl::Init(void)
{
return KVStoreConfig::Init();
}
CHIP_ERROR KeyValueStoreManagerImpl::Shutdown(void)
{
return KVStoreConfig::Shutdown();
}
CHIP_ERROR
KeyValueStoreManagerImpl::_Get(const char * key, void * value, size_t value_size, size_t * read_bytes_size, size_t offset)
{
KVStoreKeyBuilder key_builder(key);
if (!key_builder.GetKey())
{
return CHIP_ERROR_PERSISTED_STORAGE_FAILED;
}
size_t outLen;
CHIP_ERROR err = ToKeyValueStoreManagerError(
KVStoreConfig::ReadConfigValueBin(key_builder.GetKey(), reinterpret_cast<uint8_t *>(value), value_size, outLen, offset));
if (read_bytes_size)
{
*read_bytes_size = outLen;
}
return err;
}
CHIP_ERROR KeyValueStoreManagerImpl::_Delete(const char * key)
{
KVStoreKeyBuilder key_builder(key);
if (!key_builder.GetKey())
{
return CHIP_ERROR_PERSISTED_STORAGE_FAILED;
}
CHIP_ERROR err = ToKeyValueStoreManagerError(KVStoreConfig::ClearConfigValue(key_builder.GetKey()));
if (err == CHIP_NO_ERROR)
{
key_builder.RemoveKey();
}
return err;
}
CHIP_ERROR KeyValueStoreManagerImpl::_Put(const char * key, const void * value, size_t value_size)
{
KVStoreKeyBuilder key_builder(key);
if (!key_builder.GetKey())
{
return CHIP_ERROR_PERSISTED_STORAGE_FAILED;
}
CHIP_ERROR err = ToKeyValueStoreManagerError(
KVStoreConfig::WriteConfigValueBin(key_builder.GetKey(), reinterpret_cast<const uint8_t *>(value), value_size));
if (err == CHIP_NO_ERROR)
{
key_builder.AddKey();
}
return err;
}
KeyValueStoreManagerImpl KeyValueStoreManagerImpl::sInstance;
} // namespace PersistedStorage
} // namespace DeviceLayer
} // namespace chip