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PosixConfig.cpp
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PosixConfig.cpp
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/*
*
* Copyright (c) 2020-2022 Project CHIP Authors
* Copyright (c) 2019-2020 Google LLC.
* Copyright (c) 2018 Nest Labs, Inc.
* 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
* Utilities for interacting with multiple file partitions and maps
* key-value config calls to the correct partition.
*/
#include <platform/internal/CHIPDeviceLayerInternal.h>
#include <platform/internal/testing/ConfigUnitTest.h>
#include <lib/core/CHIPEncoding.h>
#include <lib/support/CodeUtils.h>
#include <platform/Darwin/PosixConfig.h>
#include <platform/KeyValueStoreManager.h>
namespace chip {
namespace DeviceLayer {
namespace Internal {
// *** CAUTION ***: Changing the names or namespaces of these values will *break* existing devices.
// NVS namespaces used to store device configuration information.
const char PosixConfig::kConfigNamespace_ChipFactory[] = "chip-factory";
const char PosixConfig::kConfigNamespace_ChipConfig[] = "chip-config";
const char PosixConfig::kConfigNamespace_ChipCounters[] = "chip-counters";
// Keys stored in the Chip-factory namespace
const PosixConfig::Key PosixConfig::kConfigKey_SerialNum = { kConfigNamespace_ChipFactory, "serial-num" };
const PosixConfig::Key PosixConfig::kConfigKey_HardwareVersion = { kConfigNamespace_ChipFactory, "hardware-ver" };
const PosixConfig::Key PosixConfig::kConfigKey_ManufacturingDate = { kConfigNamespace_ChipFactory, "mfg-date" };
const PosixConfig::Key PosixConfig::kConfigKey_SetupPinCode = { kConfigNamespace_ChipFactory, "pin-code" };
const PosixConfig::Key PosixConfig::kConfigKey_SetupDiscriminator = { kConfigNamespace_ChipFactory, "discriminator" };
const PosixConfig::Key PosixConfig::kConfigKey_Spake2pIterationCount = { kConfigNamespace_ChipFactory, "iteration-count" };
const PosixConfig::Key PosixConfig::kConfigKey_Spake2pSalt = { kConfigNamespace_ChipFactory, "salt" };
const PosixConfig::Key PosixConfig::kConfigKey_Spake2pVerifier = { kConfigNamespace_ChipFactory, "verifier" };
const PosixConfig::Key PosixConfig::kConfigKey_VendorId = { kConfigNamespace_ChipFactory, "vendor-id" };
const PosixConfig::Key PosixConfig::kConfigKey_ProductId = { kConfigNamespace_ChipFactory, "product-id" };
// Keys stored in the Chip-config namespace
const PosixConfig::Key PosixConfig::kConfigKey_FailSafeArmed = { kConfigNamespace_ChipConfig, "fail-safe-armed" };
const PosixConfig::Key PosixConfig::kConfigKey_RegulatoryLocation = { kConfigNamespace_ChipConfig, "regulatory-location" };
const PosixConfig::Key PosixConfig::kConfigKey_CountryCode = { kConfigNamespace_ChipConfig, "country-code" };
const PosixConfig::Key PosixConfig::kConfigKey_LocationCapability = { kConfigNamespace_ChipConfig, "location-capability" };
// Keys stored in the Chip-counters namespace
const PosixConfig::Key PosixConfig::kCounterKey_RebootCount = { kConfigNamespace_ChipCounters, "reboot-count" };
const PosixConfig::Key PosixConfig::kCounterKey_BootReason = { kConfigNamespace_ChipCounters, "boot-reason" };
const PosixConfig::Key PosixConfig::kCounterKey_TotalOperationalHours = { kConfigNamespace_ChipCounters,
"total-operational-hours" };
const PosixConfig::Key PosixConfig::kConfigKey_UniqueId = { kConfigNamespace_ChipConfig, "unique-id" };
#if !CHIP_DISABLE_PLATFORM_KVS
CHIP_ERROR PosixConfig::Init()
{
return PersistedStorage::KeyValueStoreMgrImpl().Init(CHIP_CONFIG_KVS_PATH);
}
CHIP_ERROR PosixConfig::ReadConfigValue(Key key, bool & val)
{
size_t outLen = 0;
return ReadConfigValueBin(key, reinterpret_cast<uint8_t *>(&val), sizeof(val), outLen);
}
CHIP_ERROR PosixConfig::ReadConfigValue(Key key, uint16_t & val)
{
size_t outLen = 0;
return ReadConfigValueBin(key, reinterpret_cast<uint8_t *>(&val), sizeof(val), outLen);
}
CHIP_ERROR PosixConfig::ReadConfigValue(Key key, uint32_t & val)
{
size_t outLen = 0;
return ReadConfigValueBin(key, reinterpret_cast<uint8_t *>(&val), sizeof(val), outLen);
}
CHIP_ERROR PosixConfig::ReadConfigValue(Key key, uint64_t & val)
{
size_t outLen = 0;
return ReadConfigValueBin(key, reinterpret_cast<uint8_t *>(&val), sizeof(val), outLen);
}
CHIP_ERROR PosixConfig::ReadConfigValueStr(Key key, char * buf, size_t bufSize, size_t & outLen)
{
return ReadConfigValueBin(key, reinterpret_cast<uint8_t *>(buf), bufSize, outLen);
}
CHIP_ERROR PosixConfig::ReadConfigValueBin(Key key, uint8_t * buf, size_t bufSize, size_t & outLen)
{
CHIP_ERROR err = PersistedStorage::KeyValueStoreMgr().Get(key.Name, buf, bufSize, &outLen);
if (err == CHIP_ERROR_PERSISTED_STORAGE_VALUE_NOT_FOUND)
{
err = CHIP_DEVICE_ERROR_CONFIG_NOT_FOUND;
}
return err;
}
CHIP_ERROR PosixConfig::WriteConfigValue(Key key, bool val)
{
return WriteConfigValueBin(key, reinterpret_cast<uint8_t *>(&val), sizeof(val));
}
CHIP_ERROR PosixConfig::WriteConfigValue(Key key, uint16_t val)
{
return WriteConfigValueBin(key, reinterpret_cast<uint8_t *>(&val), sizeof(val));
}
CHIP_ERROR PosixConfig::WriteConfigValue(Key key, uint32_t val)
{
return WriteConfigValueBin(key, reinterpret_cast<uint8_t *>(&val), sizeof(val));
}
CHIP_ERROR PosixConfig::WriteConfigValue(Key key, uint64_t val)
{
return WriteConfigValueBin(key, reinterpret_cast<uint8_t *>(&val), sizeof(val));
}
CHIP_ERROR PosixConfig::WriteConfigValueStr(Key key, const char * str)
{
return WriteConfigValueBin(key, reinterpret_cast<const uint8_t *>(str), strlen(str));
}
CHIP_ERROR PosixConfig::WriteConfigValueStr(Key key, const char * str, size_t strLen)
{
return WriteConfigValueBin(key, reinterpret_cast<const uint8_t *>(str), strLen);
}
CHIP_ERROR PosixConfig::WriteConfigValueBin(Key key, const uint8_t * data, size_t dataLen)
{
return PersistedStorage::KeyValueStoreMgr().Put(key.Name, data, dataLen);
}
CHIP_ERROR PosixConfig::ClearConfigValue(Key key)
{
return PersistedStorage::KeyValueStoreMgr().Delete(key.Name);
}
bool PosixConfig::ConfigValueExists(Key key)
{
size_t outLen;
CHIP_ERROR err = ReadConfigValueBin(key, nullptr, 0, outLen);
if (err == CHIP_NO_ERROR || err == CHIP_ERROR_BUFFER_TOO_SMALL)
{
return true;
}
return false;
}
CHIP_ERROR PosixConfig::EnsureNamespace(const char * ns)
{
CHIP_ERROR err = CHIP_ERROR_PERSISTED_STORAGE_FAILED;
SuccessOrExit(err);
exit:
return err;
}
CHIP_ERROR PosixConfig::ClearNamespace(const char * ns)
{
CHIP_ERROR err = CHIP_ERROR_PERSISTED_STORAGE_FAILED;
SuccessOrExit(err);
exit:
return err;
}
CHIP_ERROR PosixConfig::FactoryResetConfig()
{
CHIP_ERROR err = CHIP_ERROR_PERSISTED_STORAGE_FAILED;
SuccessOrExit(err);
exit:
return err;
}
void PosixConfig::RunConfigUnitTest() {}
#endif // CHIP_DISABLE_PLATFORM_KVS
} // namespace Internal
} // namespace DeviceLayer
} // namespace chip