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KeyValueStoreManagerImpl.cpp
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KeyValueStoreManagerImpl.cpp
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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.
*/
/**
* @file
* Platform-specific key value storage implementation for Genio
*/
#include <platform/KeyValueStoreManager.h>
/* ignore GCC Wconversion warnings for pigweed */
#if defined(__GNUC__)
#pragma GCC diagnostic push
#pragma GCC diagnostic ignored "-Wconversion"
#endif
//#include <pw_log/log.h>
#if defined(__GNUC__)
#pragma GCC diagnostic pop
#endif
namespace chip {
namespace DeviceLayer {
namespace PersistedStorage {
KeyValueStoreManagerImpl KeyValueStoreManagerImpl::sInstance;
/**
* MT793x KVS Implemetation
*/
CHIP_ERROR KeyValueStoreManagerImpl::_Get(const char * key, void * value, size_t value_size, size_t * read_bytes_size,
size_t offset_bytes) const
{
CHIP_ERROR err;
nvdm_status_t nvdm_status;
nvdm_status = nvdm_read_data_item(kNamespace, key, (uint8_t *) value, (uint32_t *) &value_size);
if (read_bytes_size)
{
*read_bytes_size = value_size;
}
err = MapNvdmStatus(nvdm_status);
return err;
}
CHIP_ERROR KeyValueStoreManagerImpl::_Put(const char * key, const void * value, size_t value_size)
{
CHIP_ERROR err;
nvdm_status_t nvdm_status;
nvdm_status = nvdm_write_data_item(kNamespace, key, NVDM_DATA_ITEM_TYPE_RAW_DATA, (uint8_t *) value, value_size);
err = MapNvdmStatus(nvdm_status);
return err;
}
CHIP_ERROR KeyValueStoreManagerImpl::_Delete(const char * key)
{
CHIP_ERROR err;
nvdm_status_t nvdm_status;
nvdm_status = nvdm_delete_data_item(kNamespace, key);
err = MapNvdmStatus(nvdm_status);
return err;
}
CHIP_ERROR KeyValueStoreManagerImpl::ErasePartition()
{
CHIP_ERROR err;
nvdm_status_t nvdm_status;
nvdm_status = nvdm_delete_group(kNamespace);
err = MapNvdmStatus(nvdm_status);
return err;
}
CHIP_ERROR KeyValueStoreManagerImpl::MapNvdmStatus(nvdm_status_t nvdm_status)
{
CHIP_ERROR err;
// NVDM_STATUS_INVALID_PARAMETER = -5, /**< The user parameter is invalid. */
// NVDM_STATUS_ITEM_NOT_FOUND = -4, /**< The data item wasn't found by the NVDM. */
// NVDM_STATUS_INSUFFICIENT_SPACE = -3, /**< No space is available in the flash. */
// NVDM_STATUS_INCORRECT_CHECKSUM = -2, /**< The NVDM found a checksum error when reading the data item. */
// NVDM_STATUS_ERROR = -1, /**< An unknown error occurred. */
// NVDM_STATUS_OK = 0, /**< The operation was successful. */
switch (nvdm_status)
{
case NVDM_STATUS_OK:
err = CHIP_NO_ERROR;
break;
case NVDM_STATUS_ITEM_NOT_FOUND:
err = CHIP_ERROR_PERSISTED_STORAGE_VALUE_NOT_FOUND;
break;
case NVDM_STATUS_INCORRECT_CHECKSUM:
err = CHIP_ERROR_INTEGRITY_CHECK_FAILED;
break;
case NVDM_STATUS_INSUFFICIENT_SPACE:
err = CHIP_ERROR_BUFFER_TOO_SMALL;
break;
case NVDM_STATUS_INVALID_PARAMETER:
err = CHIP_ERROR_INVALID_ARGUMENT;
break;
case NVDM_STATUS_ERROR:
err = CHIP_ERROR_INTERNAL;
break;
default:
err = CHIP_ERROR_INTERNAL;
break;
}
return err;
}
} // namespace PersistedStorage
} // namespace DeviceLayer
} // namespace chip