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/*
*
* Copyright (c) 2020 Project CHIP Authors
*
* 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 the implementation of the Device Layer ConfigurationManager object
* for Zephyr platforms.
*/
#include <platform/internal/CHIPDeviceLayerInternal.h>
#include <platform/ConfigurationManager.h>
#include <platform/internal/GenericConfigurationManagerImpl.ipp>
#include <lib/core/CHIPVendorIdentifiers.hpp>
#include <platform/Zephyr/ZephyrConfig.h>
#include "InetUtils.h"
#include <lib/support/CodeUtils.h>
#include <lib/support/logging/CHIPLogging.h>
#ifdef CONFIG_CHIP_FACTORY_RESET_ERASE_NVS
#include <zephyr/fs/nvs.h>
#include <zephyr/settings/settings.h>
#endif
namespace chip {
namespace DeviceLayer {
using namespace ::chip::DeviceLayer::Internal;
ConfigurationManagerImpl & ConfigurationManagerImpl::GetDefaultInstance()
{
static ConfigurationManagerImpl sInstance;
return sInstance;
}
CHIP_ERROR ConfigurationManagerImpl::Init()
{
CHIP_ERROR err;
uint32_t rebootCount;
// Initialize the generic implementation base class.
err = Internal::GenericConfigurationManagerImpl<ZephyrConfig>::Init();
SuccessOrExit(err);
if (ZephyrConfig::ConfigValueExists(ZephyrConfig::kCounterKey_RebootCount))
{
err = GetRebootCount(rebootCount);
SuccessOrExit(err);
// Do not increment reboot count if the value is going to overflow UINT16.
err = StoreRebootCount(rebootCount < UINT16_MAX ? rebootCount + 1 : rebootCount);
SuccessOrExit(err);
}
else
{
// The first boot after factory reset of the Node.
err = StoreRebootCount(1);
SuccessOrExit(err);
}
err = CHIP_NO_ERROR;
exit:
return err;
}
CHIP_ERROR ConfigurationManagerImpl::GetRebootCount(uint32_t & rebootCount)
{
return ReadConfigValue(ZephyrConfig::kCounterKey_RebootCount, rebootCount);
}
CHIP_ERROR ConfigurationManagerImpl::StoreRebootCount(uint32_t rebootCount)
{
return WriteConfigValue(ZephyrConfig::kCounterKey_RebootCount, rebootCount);
}
CHIP_ERROR ConfigurationManagerImpl::GetTotalOperationalHours(uint32_t & totalOperationalHours)
{
if (!ZephyrConfig::ConfigValueExists(ZephyrConfig::kCounterKey_TotalOperationalHours))
{
totalOperationalHours = 0;
return CHIP_NO_ERROR;
}
return ZephyrConfig::ReadConfigValue(ZephyrConfig::kCounterKey_TotalOperationalHours, totalOperationalHours);
}
CHIP_ERROR ConfigurationManagerImpl::StoreTotalOperationalHours(uint32_t totalOperationalHours)
{
return ZephyrConfig::WriteConfigValue(ZephyrConfig::kCounterKey_TotalOperationalHours, totalOperationalHours);
}
void ConfigurationManagerImpl::InitiateFactoryReset()
{
PlatformMgr().ScheduleWork(DoFactoryReset);
}
CHIP_ERROR ConfigurationManagerImpl::ReadConfigValue(Key key, bool & val)
{
return ZephyrConfig::ReadConfigValue(key, val);
}
CHIP_ERROR ConfigurationManagerImpl::ReadConfigValue(Key key, uint32_t & val)
{
return ZephyrConfig::ReadConfigValue(key, val);
}
CHIP_ERROR ConfigurationManagerImpl::ReadConfigValue(Key key, uint64_t & val)
{
return ZephyrConfig::ReadConfigValue(key, val);
}
CHIP_ERROR ConfigurationManagerImpl::ReadConfigValueStr(Key key, char * buf, size_t bufSize, size_t & outLen)
{
return ZephyrConfig::ReadConfigValueStr(key, buf, bufSize, outLen);
}
CHIP_ERROR ConfigurationManagerImpl::ReadConfigValueBin(Key key, uint8_t * buf, size_t bufSize, size_t & outLen)
{
return ZephyrConfig::ReadConfigValueBin(key, buf, bufSize, outLen);
}
CHIP_ERROR ConfigurationManagerImpl::WriteConfigValue(Key key, bool val)
{
return ZephyrConfig::WriteConfigValue(key, val);
}
CHIP_ERROR ConfigurationManagerImpl::WriteConfigValue(Key key, uint32_t val)
{
return ZephyrConfig::WriteConfigValue(key, val);
}
CHIP_ERROR ConfigurationManagerImpl::WriteConfigValue(Key key, uint64_t val)
{
return ZephyrConfig::WriteConfigValue(key, val);
}
CHIP_ERROR ConfigurationManagerImpl::WriteConfigValueStr(Key key, const char * str)
{
return ZephyrConfig::WriteConfigValueStr(key, str);
}
CHIP_ERROR ConfigurationManagerImpl::WriteConfigValueStr(Key key, const char * str, size_t strLen)
{
return ZephyrConfig::WriteConfigValueStr(key, str, strLen);
}
CHIP_ERROR ConfigurationManagerImpl::WriteConfigValueBin(Key key, const uint8_t * data, size_t dataLen)
{
return ZephyrConfig::WriteConfigValueBin(key, data, dataLen);
}
void ConfigurationManagerImpl::RunConfigUnitTest()
{
#if CHIP_CONFIG_TEST
ZephyrConfig::RunConfigUnitTest();
#endif
}
void ConfigurationManagerImpl::DoFactoryReset(intptr_t arg)
{
ChipLogProgress(DeviceLayer, "Performing factory reset");
#ifdef CONFIG_CHIP_FACTORY_RESET_ERASE_NVS
void * storage = nullptr;
int status = settings_storage_get(&storage);
if (status == 0)
{
status = nvs_clear(static_cast<nvs_fs *>(storage));
}
if (status)
{
ChipLogError(DeviceLayer, "Factory reset failed: %d", status);
}
#else
const CHIP_ERROR err = PersistedStorage::KeyValueStoreMgrImpl().DoFactoryReset();
if (err != CHIP_NO_ERROR)
{
ChipLogError(DeviceLayer, "Factory reset failed: %" CHIP_ERROR_FORMAT, err.Format());
}
ConnectivityMgr().ErasePersistentInfo();
#endif
PlatformMgr().Shutdown();
}
CHIP_ERROR ConfigurationManagerImpl::GetPrimaryWiFiMACAddress(uint8_t * buf)
{
#if CHIP_DEVICE_CONFIG_ENABLE_WIFI
const net_if * const iface = InetUtils::GetInterface();
VerifyOrReturnError(iface != nullptr && iface->if_dev != nullptr, CHIP_ERROR_INTERNAL);
const auto linkAddrStruct = iface->if_dev->link_addr;
memcpy(buf, linkAddrStruct.addr, linkAddrStruct.len);
return CHIP_NO_ERROR;
#else
return CHIP_ERROR_UNSUPPORTED_CHIP_FEATURE;
#endif
}
ConfigurationManager & ConfigurationMgrImpl()
{
return ConfigurationManagerImpl::GetDefaultInstance();
}
} // namespace DeviceLayer
} // namespace chip