blob: 9fb19efccdd2db836133c11eb5a2f32575dd2fa9 [file] [log] [blame]
/*
*
* Copyright (c) 2021-2022 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.
*/
#include "controller/python/ChipDeviceController-StorageDelegate.h"
#include <cstring>
#include <map>
#include <string>
#include <lib/core/CHIPPersistentStorageDelegate.h>
#include <lib/support/CodeUtils.h>
#include <lib/support/SafeInt.h>
#include <lib/support/logging/CHIPLogging.h>
namespace chip {
namespace Controller {
CHIP_ERROR PythonPersistentStorageDelegate::SyncGetKeyValue(const char * key, void * value, uint16_t & size)
{
ReturnErrorCodeIf(((value == nullptr) && (size != 0)), CHIP_ERROR_INVALID_ARGUMENT);
auto val = mStorage.find(key);
if (val == mStorage.end())
{
return CHIP_ERROR_PERSISTED_STORAGE_VALUE_NOT_FOUND;
}
if (!CanCastTo<uint16_t>(val->second.size()))
{
size = 0;
return CHIP_ERROR_BUFFER_TOO_SMALL;
}
uint16_t neededSize = static_cast<uint16_t>(val->second.size());
ReturnErrorCodeIf(size == 0 && neededSize == 0, CHIP_NO_ERROR);
ReturnErrorCodeIf(value == nullptr, CHIP_ERROR_BUFFER_TOO_SMALL);
if (size < neededSize)
{
memcpy(value, val->second.data(), size);
return CHIP_ERROR_BUFFER_TOO_SMALL;
}
memcpy(value, val->second.data(), neededSize);
size = neededSize;
return CHIP_NO_ERROR;
}
CHIP_ERROR PythonPersistentStorageDelegate::SyncSetKeyValue(const char * key, const void * value, uint16_t size)
{
mStorage[key] = std::string(static_cast<const char *>(value), size);
ChipLogDetail(Controller, "SyncSetKeyValue on %s", StringOrNullMarker(key));
return CHIP_NO_ERROR;
}
CHIP_ERROR PythonPersistentStorageDelegate::SyncDeleteKeyValue(const char * key)
{
auto val = mStorage.find(key);
if (val == mStorage.end())
{
return CHIP_ERROR_PERSISTED_STORAGE_VALUE_NOT_FOUND;
}
mStorage.erase(key);
return CHIP_NO_ERROR;
}
namespace Python {
CHIP_ERROR StorageAdapter::SyncGetKeyValue(const char * key, void * value, uint16_t & size)
{
ChipLogDetail(Controller, "StorageAdapter::GetKeyValue: Key = %s, Value = %p (%u)", StringOrNullMarker(key), value, size);
if ((value == nullptr) && (size != 0))
{
return CHIP_ERROR_INVALID_ARGUMENT;
}
uint16_t tmpSize = size;
bool isFound = false;
mGetKeyCb(mContext, key, (char *) value, &tmpSize, &isFound);
if (!isFound)
{
ChipLogDetail(Controller, "Key Not Found\n");
return CHIP_ERROR_PERSISTED_STORAGE_VALUE_NOT_FOUND;
}
if (size < tmpSize)
{
ChipLogDetail(Controller, "Buf not big enough\n");
return CHIP_ERROR_BUFFER_TOO_SMALL;
}
ChipLogDetail(Controller, "Key Found %d\n", tmpSize);
size = tmpSize;
return CHIP_NO_ERROR;
}
CHIP_ERROR StorageAdapter::SyncSetKeyValue(const char * key, const void * value, uint16_t size)
{
ReturnErrorCodeIf(((value == nullptr) && (size != 0)), CHIP_ERROR_INVALID_ARGUMENT);
ChipLogDetail(Controller, "StorageAdapter::SetKeyValue: Key = %s, Value = %p (%u)", StringOrNullMarker(key), value, size);
mSetKeyCb(mContext, key, value, size);
return CHIP_NO_ERROR;
}
CHIP_ERROR StorageAdapter::SyncDeleteKeyValue(const char * key)
{
uint8_t val[1];
uint16_t size = 0;
CHIP_ERROR err = SyncGetKeyValue(key, val, size);
if (err == CHIP_ERROR_PERSISTED_STORAGE_VALUE_NOT_FOUND)
{
return err;
}
ChipLogDetail(Controller, "StorageAdapter::DeleteKeyValue: Key = %s", StringOrNullMarker(key));
mDeleteKeyCb(mContext, key);
return CHIP_NO_ERROR;
}
} // namespace Python
} // namespace Controller
} // namespace chip