src/platform/Beken/NetworkCommissioningWiFiDriver.cpp - third_party/github/project-chip/connectedhomeip - Git at Google

 /*
  *
  *    Copyright (c) 2022 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.
  */

 #include <lib/support/CodeUtils.h>
 #include <lib/support/SafeInt.h>
 #include <platform/Beken/NetworkCommissioningDriver.h>
 #include <platform/CHIPDeviceLayer.h>

 #include <limits>
 #include <string>

 #include "wlan_ui_pub.h"

 using namespace ::chip;
 #if CHIP_DEVICE_CONFIG_ENABLE_WIFI
 namespace chip {
 namespace DeviceLayer {
 namespace NetworkCommissioning {

 namespace {
 constexpr char kWiFiSSIDKeyName[]        = "wifi-ssid";
 constexpr char kWiFiCredentialsKeyName[] = "wifi-pass";
 } // namespace

 CHIP_ERROR BekenWiFiDriver::Init(NetworkStatusChangeCallback * networkStatusChangeCallback)
 {
     CHIP_ERROR err;
     ChipLogProgress(NetworkProvisioning, "BekenWiFiDriver::Init\r\n");

     err = GetSavedNetWorkConfig(&mSavedNetwork);

     mStagingNetwork        = mSavedNetwork;
     mpScanCallback         = nullptr;
     mpConnectCallback      = nullptr;
     mpStatusChangeCallback = networkStatusChangeCallback;
     return err;
 }

 CHIP_ERROR BekenWiFiDriver::GetSavedNetWorkConfig(WiFiNetwork * WifiNetconf)
 {
     CHIP_ERROR err;
     size_t ssidLen        = 0;
     size_t credentialsLen = 0;

     memset(WifiNetconf, 0x0, sizeof(WiFiNetwork));
     err = PersistedStorage::KeyValueStoreMgr().Get(kWiFiCredentialsKeyName, WifiNetconf->credentials,
                                                    sizeof(WifiNetconf->credentials), &credentialsLen);
     if (err == CHIP_ERROR_NOT_FOUND)
     {
         return CHIP_NO_ERROR;
     }

     err = PersistedStorage::KeyValueStoreMgr().Get(kWiFiSSIDKeyName, WifiNetconf->ssid, sizeof(WifiNetconf->ssid), &ssidLen);
     if (err == CHIP_ERROR_NOT_FOUND)
     {
         return CHIP_NO_ERROR;
     }
     WifiNetconf->credentialsLen = credentialsLen;
     WifiNetconf->ssidLen        = ssidLen;
     return err;
 }

 void BekenWiFiDriver::Shutdown()
 {
     mpStatusChangeCallback = nullptr;
 }

 CHIP_ERROR BekenWiFiDriver::CommitConfiguration()
 {
     ChipLogProgress(NetworkProvisioning, "BekenWiFiDriver::CommitConfiguration\r\n");
     ReturnErrorOnFailure(PersistedStorage::KeyValueStoreMgr().Put(kWiFiSSIDKeyName, mStagingNetwork.ssid, mStagingNetwork.ssidLen));
     ReturnErrorOnFailure(PersistedStorage::KeyValueStoreMgr().Put(kWiFiCredentialsKeyName, mStagingNetwork.credentials,
                                                                   mStagingNetwork.credentialsLen));
     mSavedNetwork = mStagingNetwork;
     return CHIP_NO_ERROR;
 }

 CHIP_ERROR BekenWiFiDriver::RevertConfiguration()
 {
     ChipLogProgress(NetworkProvisioning, "BekenWiFiDriver::RevertConfiguration\r\n");
     mStagingNetwork = mSavedNetwork;
     return CHIP_NO_ERROR;
 }

 bool BekenWiFiDriver::NetworkMatch(const WiFiNetwork & network, ByteSpan networkId)
 {
     ChipLogProgress(NetworkProvisioning, "BekenWiFiDriver::NetworkMatch\r\n");
     return networkId.size() == network.ssidLen && memcmp(networkId.data(), network.ssid, network.ssidLen) == 0;
 }

 Status BekenWiFiDriver::AddOrUpdateNetwork(ByteSpan ssid, ByteSpan credentials, MutableCharSpan & outDebugText,
                                            uint8_t & outNetworkIndex)
 {
     ChipLogProgress(NetworkProvisioning, "BekenWiFiDriver::AddOrUpdateNetwork\r\n");

     outDebugText.reduce_size(0);
     outNetworkIndex = 0;
     VerifyOrReturnError(mStagingNetwork.ssidLen == 0 || NetworkMatch(mStagingNetwork, ssid), Status::kBoundsExceeded);
     VerifyOrReturnError(credentials.size() <= sizeof(mStagingNetwork.credentials), Status::kOutOfRange);
     VerifyOrReturnError(ssid.size() <= sizeof(mStagingNetwork.ssid), Status::kOutOfRange);

     memcpy(mStagingNetwork.credentials, credentials.data(), credentials.size());
     mStagingNetwork.credentialsLen = static_cast<decltype(mStagingNetwork.credentialsLen)>(credentials.size());

     memcpy(mStagingNetwork.ssid, ssid.data(), ssid.size());
     mStagingNetwork.ssidLen = static_cast<decltype(mStagingNetwork.ssidLen)>(ssid.size());

     return Status::kSuccess;
 }

 Status BekenWiFiDriver::RemoveNetwork(ByteSpan networkId, MutableCharSpan & outDebugText, uint8_t & outNetworkIndex)
 {
     ChipLogProgress(NetworkProvisioning, "BekenWiFiDriver::RemoveNetwork\r\n");

     outDebugText.reduce_size(0);
     outNetworkIndex = 0;
     VerifyOrReturnError(NetworkMatch(mStagingNetwork, networkId), Status::kNetworkIDNotFound);

     // Use empty ssid for representing invalid network
     mStagingNetwork.ssidLen = 0;
     return Status::kSuccess;
 }

 Status BekenWiFiDriver::ReorderNetwork(ByteSpan networkId, uint8_t index, MutableCharSpan & outDebugText)
 {
     ChipLogProgress(NetworkProvisioning, "BekenWiFiDriver::ReorderNetwork\r\n");
     // Only one network is supported now
     outDebugText.reduce_size(0);
     VerifyOrReturnError(index == 0, Status::kOutOfRange);
     VerifyOrReturnError(NetworkMatch(mStagingNetwork, networkId), Status::kNetworkIDNotFound);
     return Status::kSuccess;
 }

 CHIP_ERROR BekenWiFiDriver::ConnectWiFiNetwork(const char * ssid, uint8_t ssidLen, const char * key, uint8_t keyLen)
 {
     ChipLogProgress(NetworkProvisioning, "BekenWiFiDriver::ConnectWiFiNetwork....ssid:%s", StringOrNullMarker(ssid));
     ReturnErrorOnFailure(ConnectivityMgr().SetWiFiStationMode(ConnectivityManager::kWiFiStationMode_Disabled));

     wifi_sta_config_t sta_config;
     memset(&sta_config, 0x0, sizeof(sta_config));
     sta_config.security = WIFI_SECURITY_AUTO; // can't use WIFI_DEFAULT_STA_CONFIG because of C99 designator error
     Platform::CopyString(sta_config.ssid, ssidLen, ssid);
     Platform::CopyString(sta_config.password, keyLen, key);

     BK_LOG_ON_ERR(bk_wifi_sta_set_config(&sta_config));
     BK_LOG_ON_ERR(bk_wifi_sta_start());
     BK_LOG_ON_ERR(bk_wifi_sta_connect());

     return ConnectivityMgr().SetWiFiStationMode(ConnectivityManager::kWiFiStationMode_Enabled);
 }

 void BekenWiFiDriver::OnConnectWiFiNetwork()
 {
     ChipLogProgress(NetworkProvisioning, "BekenWiFiDriver::OnConnectWiFiNetwork\r\n");
     if (mpConnectCallback)
     {
         // chip::DeviceLayer::PlatformMgr().LockChipStack();
         mpConnectCallback->OnResult(Status::kSuccess, CharSpan(), 0);
         // chip::DeviceLayer::PlatformMgr().UnlockChipStack();
         mpConnectCallback = nullptr;
     }
 }

 void BekenWiFiDriver::ConnectNetwork(ByteSpan networkId, ConnectCallback * callback)
 {
     ChipLogProgress(NetworkProvisioning, "BekenWiFiDriver::ConnectNetwork\r\n");
     CHIP_ERROR err          = CHIP_NO_ERROR;
     Status networkingStatus = Status::kSuccess;

     VerifyOrExit(NetworkMatch(mStagingNetwork, networkId), networkingStatus = Status::kNetworkIDNotFound);
     VerifyOrExit(mpConnectCallback == nullptr, networkingStatus = Status::kUnknownError);

     err               = ConnectWiFiNetwork(reinterpret_cast<const char *>(mStagingNetwork.ssid), mStagingNetwork.ssidLen,
                                            reinterpret_cast<const char *>(mStagingNetwork.credentials), mStagingNetwork.credentialsLen);
     mpConnectCallback = callback;
 exit:
     if (err != CHIP_NO_ERROR)
     {
         networkingStatus = Status::kUnknownError;
     }
     if (networkingStatus != Status::kSuccess)
     {
         ChipLogError(NetworkProvisioning, "Failed to connect to WiFi network:%s", chip::ErrorStr(err));
         mpConnectCallback = nullptr;
         // chip::DeviceLayer::PlatformMgr().LockChipStack();
         callback->OnResult(networkingStatus, CharSpan(), 0);
         // chip::DeviceLayer::PlatformMgr().UnlockChipStack();
     }
 }

 CHIP_ERROR GetConnectedNetwork(Network & network)
 {
     ChipLogProgress(NetworkProvisioning, "BekenWiFiDriver::GetConnectedNetwork\r\n");
     wifi_link_status_t wifi_setting;
     memset(&wifi_setting, 0x0, sizeof(wifi_setting));
     bk_wifi_sta_get_link_status(&wifi_setting);
     uint8_t length = strnlen(reinterpret_cast<const char *>(wifi_setting.ssid), DeviceLayer::Internal::kMaxWiFiSSIDLength);

     os_memcpy(network.networkID, wifi_setting.ssid, length);
     ChipLogProgress(NetworkProvisioning, "networkID:[%s][%d]\r\n", network.networkID, length);
     network.networkIDLen = length;
     return CHIP_NO_ERROR;
 }

 void BekenWiFiDriver::OnNetworkStatusChange()
 {
     ChipLogProgress(NetworkProvisioning, "BekenWiFiDriver::OnNetworkStatusChange\r\n");
     Network configuredNetwork = { 0 };

     VerifyOrReturn(mpStatusChangeCallback != nullptr);
     GetConnectedNetwork(configuredNetwork);

     if (configuredNetwork.networkIDLen)
     {
         mpStatusChangeCallback->OnNetworkingStatusChange(
             Status::kSuccess, MakeOptional(ByteSpan(configuredNetwork.networkID, configuredNetwork.networkIDLen)), NullOptional);
         return;
     }
     mpStatusChangeCallback->OnNetworkingStatusChange(
         Status::kUnknownError, MakeOptional(ByteSpan(configuredNetwork.networkID, configuredNetwork.networkIDLen)),
         MakeOptional(GetLastDisconnectReason()));
 }

 CHIP_ERROR BekenWiFiDriver::SetLastDisconnectReason(const ChipDeviceEvent * event)
 {
     ChipLogProgress(NetworkProvisioning, "BekenWiFiDriver::SetLastDisconnectReason\r\n");
     mLastDisconnectedReason = event->Platform.BKSystemEvent.Data.WiFiStaDisconnected;
     return CHIP_NO_ERROR;
 }

 int32_t BekenWiFiDriver::GetLastDisconnectReason()
 {
     ChipLogProgress(NetworkProvisioning, "BekenWiFiDriver::GetLastDisconnectReason\r\n");
     return mLastDisconnectedReason;
 }

 static beken_semaphore_t matter_scan_sema = NULL;

 int scan_done_handler(void * arg, event_module_t event_module, int event_id, void * event_data)
 {
     if (matter_scan_sema)
     {
         rtos_set_semaphore(&matter_scan_sema);
     }
     return BK_OK;
 }

 CHIP_ERROR BekenWiFiDriver::StartScanWiFiNetworks(ByteSpan ssid)
 {
     ChipLogProgress(NetworkProvisioning, "BekenWiFiDriver::StartScanWiFiNetworks\r\n");
     wifi_scan_config_t config = { 0 };
     if (ssid.data() == NULL) // non-directed scanning
     {
         ChipLogProgress(NetworkProvisioning, "non-directed scanning...\r\n");
         BK_LOG_ON_ERR(bk_wifi_scan_start(NULL));
     }
     else // directed scanning
     {
         os_memcpy(config.ssid, ssid.data(), ssid.size());
         ChipLogProgress(NetworkProvisioning, "directed scanning... ssid:%s ; %d \r\n", config.ssid, ssid.size());
         BK_LOG_ON_ERR(bk_wifi_scan_start(&config));
     }
     return CHIP_NO_ERROR;
 }

 void BekenWiFiDriver::OnScanWiFiNetworkDone()
 {
     ChipLogProgress(NetworkProvisioning, "BekenWiFiDriver::OnScanWiFiNetworkDone\r\n");
     if (!GetInstance().mpScanCallback)
     {
         ChipLogProgress(NetworkProvisioning, "can't find the ScanCallback function\r\n");
         return;
     }
     wifi_scan_result_t scan_result = { 0 };
     int scan_rst_ap_num            = 0;
     BK_LOG_ON_ERR(bk_wifi_scan_get_result(&scan_result));
     scan_rst_ap_num = scan_result.ap_num;
     if (scan_rst_ap_num < 2) // beken scan result > = 1
     {
         ChipLogProgress(NetworkProvisioning, "NULL AP\r\n");
         GetInstance().mpScanCallback->OnFinished(Status::kNetworkNotFound, CharSpan(), nullptr);
     }
     else
     {
         ChipLogProgress(NetworkProvisioning, "AP num = %d\r\n", scan_rst_ap_num);
         BKScanResponseIterator iter(scan_rst_ap_num, &scan_result);
         GetInstance().mpScanCallback->OnFinished(Status::kSuccess, CharSpan(), &iter);
     }
     GetInstance().mpScanCallback = nullptr;
     bk_wifi_scan_free_result(&scan_result);
 }

 void BekenWiFiDriver::ScanNetworks(ByteSpan ssid, WiFiDriver::ScanCallback * callback)
 {
     ChipLogProgress(NetworkProvisioning, "BekenWiFiDriver::ScanNetworks\r\n");
     if (callback != nullptr)
     {
         mpScanCallback = callback;
         if (matter_scan_sema == NULL)
         {
             BK_LOG_ON_ERR(rtos_init_semaphore(&matter_scan_sema, 1));
         }
         BK_LOG_ON_ERR(bk_event_register_cb(EVENT_MOD_WIFI, EVENT_WIFI_SCAN_DONE, scan_done_handler, NULL));
         if (StartScanWiFiNetworks(ssid) != CHIP_NO_ERROR)
         {
             mpScanCallback = nullptr;
             callback->OnFinished(Status::kUnknownError, CharSpan(), nullptr);
         }
         BK_LOG_ON_ERR(rtos_get_semaphore(&matter_scan_sema, 4000)); // timeout 4000ms
         BK_LOG_ON_ERR(bk_event_unregister_cb(EVENT_MOD_WIFI, EVENT_WIFI_SCAN_DONE, scan_done_handler));
         BK_LOG_ON_ERR(rtos_deinit_semaphore(&matter_scan_sema));
         matter_scan_sema = NULL;
         OnScanWiFiNetworkDone();
     }
 }

 size_t BekenWiFiDriver::WiFiNetworkIterator::Count()
 {
     ChipLogProgress(NetworkProvisioning, "BekenWiFiDriver::WiFiNetworkIterator::Count\r\n");
     return mDriver->mStagingNetwork.ssidLen == 0 ? 0 : 1;
 }

 bool BekenWiFiDriver::WiFiNetworkIterator::Next(Network & item)
 {
     ChipLogProgress(NetworkProvisioning, "BekenWiFiDriver::WiFiNetworkIterator::Next\r\n");
     if (mExhausted || mDriver->mStagingNetwork.ssidLen == 0)
     {
         return false;
     }
     uint8_t length =
         strnlen(reinterpret_cast<const char *>(mDriver->mStagingNetwork.ssid), DeviceLayer::Internal::kMaxWiFiSSIDLength);
     memcpy(item.networkID, mDriver->mStagingNetwork.ssid, length);
     item.networkIDLen        = length;
     item.connected           = false;
     mExhausted               = true;
     Network connectedNetwork = { 0 };
     CHIP_ERROR err           = GetConnectedNetwork(connectedNetwork);
     if (err == CHIP_NO_ERROR)
     {
         if (connectedNetwork.networkIDLen == item.networkIDLen &&
             memcmp(connectedNetwork.networkID, item.networkID, item.networkIDLen) == 0)
         {
             item.connected = true;
         }
     }
     return true;
 }

 } // namespace NetworkCommissioning
 } // namespace DeviceLayer
 } // namespace chip
 #endif // CHIP_DEVICE_CONFIG_ENABLE_WIFI
	/*
	*
	* Copyright (c) 2022 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.
	*/

	#include <lib/support/CodeUtils.h>
	#include <lib/support/SafeInt.h>
	#include <platform/Beken/NetworkCommissioningDriver.h>
	#include <platform/CHIPDeviceLayer.h>

	#include <limits>
	#include <string>

	#include "wlan_ui_pub.h"

	using namespace ::chip;
	#if CHIP_DEVICE_CONFIG_ENABLE_WIFI
	namespace chip {
	namespace DeviceLayer {
	namespace NetworkCommissioning {

	namespace {
	constexpr char kWiFiSSIDKeyName[] = "wifi-ssid";
	constexpr char kWiFiCredentialsKeyName[] = "wifi-pass";
	} // namespace

	CHIP_ERROR BekenWiFiDriver::Init(NetworkStatusChangeCallback * networkStatusChangeCallback)
	{
	CHIP_ERROR err;
	ChipLogProgress(NetworkProvisioning, "BekenWiFiDriver::Init\r\n");

	err = GetSavedNetWorkConfig(&mSavedNetwork);

	mStagingNetwork = mSavedNetwork;
	mpScanCallback = nullptr;
	mpConnectCallback = nullptr;
	mpStatusChangeCallback = networkStatusChangeCallback;
	return err;
	}

	CHIP_ERROR BekenWiFiDriver::GetSavedNetWorkConfig(WiFiNetwork * WifiNetconf)
	{
	CHIP_ERROR err;
	size_t ssidLen = 0;
	size_t credentialsLen = 0;

	memset(WifiNetconf, 0x0, sizeof(WiFiNetwork));
	err = PersistedStorage::KeyValueStoreMgr().Get(kWiFiCredentialsKeyName, WifiNetconf->credentials,
	sizeof(WifiNetconf->credentials), &credentialsLen);
	if (err == CHIP_ERROR_NOT_FOUND)
	{
	return CHIP_NO_ERROR;
	}

	err = PersistedStorage::KeyValueStoreMgr().Get(kWiFiSSIDKeyName, WifiNetconf->ssid, sizeof(WifiNetconf->ssid), &ssidLen);
	if (err == CHIP_ERROR_NOT_FOUND)
	{
	return CHIP_NO_ERROR;
	}
	WifiNetconf->credentialsLen = credentialsLen;
	WifiNetconf->ssidLen = ssidLen;
	return err;
	}

	void BekenWiFiDriver::Shutdown()
	{
	mpStatusChangeCallback = nullptr;
	}

	CHIP_ERROR BekenWiFiDriver::CommitConfiguration()
	{
	ChipLogProgress(NetworkProvisioning, "BekenWiFiDriver::CommitConfiguration\r\n");
	ReturnErrorOnFailure(PersistedStorage::KeyValueStoreMgr().Put(kWiFiSSIDKeyName, mStagingNetwork.ssid, mStagingNetwork.ssidLen));
	ReturnErrorOnFailure(PersistedStorage::KeyValueStoreMgr().Put(kWiFiCredentialsKeyName, mStagingNetwork.credentials,
	mStagingNetwork.credentialsLen));
	mSavedNetwork = mStagingNetwork;
	return CHIP_NO_ERROR;
	}

	CHIP_ERROR BekenWiFiDriver::RevertConfiguration()
	{
	ChipLogProgress(NetworkProvisioning, "BekenWiFiDriver::RevertConfiguration\r\n");
	mStagingNetwork = mSavedNetwork;
	return CHIP_NO_ERROR;
	}

	bool BekenWiFiDriver::NetworkMatch(const WiFiNetwork & network, ByteSpan networkId)
	{
	ChipLogProgress(NetworkProvisioning, "BekenWiFiDriver::NetworkMatch\r\n");
	return networkId.size() == network.ssidLen && memcmp(networkId.data(), network.ssid, network.ssidLen) == 0;
	}

	Status BekenWiFiDriver::AddOrUpdateNetwork(ByteSpan ssid, ByteSpan credentials, MutableCharSpan & outDebugText,
	uint8_t & outNetworkIndex)
	{
	ChipLogProgress(NetworkProvisioning, "BekenWiFiDriver::AddOrUpdateNetwork\r\n");

	outDebugText.reduce_size(0);
	outNetworkIndex = 0;
	VerifyOrReturnError(mStagingNetwork.ssidLen == 0 \|\| NetworkMatch(mStagingNetwork, ssid), Status::kBoundsExceeded);
	VerifyOrReturnError(credentials.size() <= sizeof(mStagingNetwork.credentials), Status::kOutOfRange);
	VerifyOrReturnError(ssid.size() <= sizeof(mStagingNetwork.ssid), Status::kOutOfRange);

	memcpy(mStagingNetwork.credentials, credentials.data(), credentials.size());
	mStagingNetwork.credentialsLen = static_cast<decltype(mStagingNetwork.credentialsLen)>(credentials.size());

	memcpy(mStagingNetwork.ssid, ssid.data(), ssid.size());
	mStagingNetwork.ssidLen = static_cast<decltype(mStagingNetwork.ssidLen)>(ssid.size());

	return Status::kSuccess;
	}

	Status BekenWiFiDriver::RemoveNetwork(ByteSpan networkId, MutableCharSpan & outDebugText, uint8_t & outNetworkIndex)
	{
	ChipLogProgress(NetworkProvisioning, "BekenWiFiDriver::RemoveNetwork\r\n");

	outDebugText.reduce_size(0);
	outNetworkIndex = 0;
	VerifyOrReturnError(NetworkMatch(mStagingNetwork, networkId), Status::kNetworkIDNotFound);

	// Use empty ssid for representing invalid network
	mStagingNetwork.ssidLen = 0;
	return Status::kSuccess;
	}

	Status BekenWiFiDriver::ReorderNetwork(ByteSpan networkId, uint8_t index, MutableCharSpan & outDebugText)
	{
	ChipLogProgress(NetworkProvisioning, "BekenWiFiDriver::ReorderNetwork\r\n");
	// Only one network is supported now
	outDebugText.reduce_size(0);
	VerifyOrReturnError(index == 0, Status::kOutOfRange);
	VerifyOrReturnError(NetworkMatch(mStagingNetwork, networkId), Status::kNetworkIDNotFound);
	return Status::kSuccess;
	}

	CHIP_ERROR BekenWiFiDriver::ConnectWiFiNetwork(const char * ssid, uint8_t ssidLen, const char * key, uint8_t keyLen)
	{
	ChipLogProgress(NetworkProvisioning, "BekenWiFiDriver::ConnectWiFiNetwork....ssid:%s", StringOrNullMarker(ssid));
	ReturnErrorOnFailure(ConnectivityMgr().SetWiFiStationMode(ConnectivityManager::kWiFiStationMode_Disabled));

	wifi_sta_config_t sta_config;
	memset(&sta_config, 0x0, sizeof(sta_config));
	sta_config.security = WIFI_SECURITY_AUTO; // can't use WIFI_DEFAULT_STA_CONFIG because of C99 designator error
	Platform::CopyString(sta_config.ssid, ssidLen, ssid);
	Platform::CopyString(sta_config.password, keyLen, key);

	BK_LOG_ON_ERR(bk_wifi_sta_set_config(&sta_config));
	BK_LOG_ON_ERR(bk_wifi_sta_start());
	BK_LOG_ON_ERR(bk_wifi_sta_connect());

	return ConnectivityMgr().SetWiFiStationMode(ConnectivityManager::kWiFiStationMode_Enabled);
	}

	void BekenWiFiDriver::OnConnectWiFiNetwork()
	{
	ChipLogProgress(NetworkProvisioning, "BekenWiFiDriver::OnConnectWiFiNetwork\r\n");
	if (mpConnectCallback)
	{
	// chip::DeviceLayer::PlatformMgr().LockChipStack();
	mpConnectCallback->OnResult(Status::kSuccess, CharSpan(), 0);
	// chip::DeviceLayer::PlatformMgr().UnlockChipStack();
	mpConnectCallback = nullptr;
	}
	}

	void BekenWiFiDriver::ConnectNetwork(ByteSpan networkId, ConnectCallback * callback)
	{
	ChipLogProgress(NetworkProvisioning, "BekenWiFiDriver::ConnectNetwork\r\n");
	CHIP_ERROR err = CHIP_NO_ERROR;
	Status networkingStatus = Status::kSuccess;

	VerifyOrExit(NetworkMatch(mStagingNetwork, networkId), networkingStatus = Status::kNetworkIDNotFound);
	VerifyOrExit(mpConnectCallback == nullptr, networkingStatus = Status::kUnknownError);

	err = ConnectWiFiNetwork(reinterpret_cast<const char *>(mStagingNetwork.ssid), mStagingNetwork.ssidLen,
	reinterpret_cast<const char *>(mStagingNetwork.credentials), mStagingNetwork.credentialsLen);
	mpConnectCallback = callback;
	exit:
	if (err != CHIP_NO_ERROR)
	{
	networkingStatus = Status::kUnknownError;
	}
	if (networkingStatus != Status::kSuccess)
	{
	ChipLogError(NetworkProvisioning, "Failed to connect to WiFi network:%s", chip::ErrorStr(err));
	mpConnectCallback = nullptr;
	// chip::DeviceLayer::PlatformMgr().LockChipStack();
	callback->OnResult(networkingStatus, CharSpan(), 0);
	// chip::DeviceLayer::PlatformMgr().UnlockChipStack();
	}
	}

	CHIP_ERROR GetConnectedNetwork(Network & network)
	{
	ChipLogProgress(NetworkProvisioning, "BekenWiFiDriver::GetConnectedNetwork\r\n");
	wifi_link_status_t wifi_setting;
	memset(&wifi_setting, 0x0, sizeof(wifi_setting));
	bk_wifi_sta_get_link_status(&wifi_setting);
	uint8_t length = strnlen(reinterpret_cast<const char *>(wifi_setting.ssid), DeviceLayer::Internal::kMaxWiFiSSIDLength);

	os_memcpy(network.networkID, wifi_setting.ssid, length);
	ChipLogProgress(NetworkProvisioning, "networkID:[%s][%d]\r\n", network.networkID, length);
	network.networkIDLen = length;
	return CHIP_NO_ERROR;
	}

	void BekenWiFiDriver::OnNetworkStatusChange()
	{
	ChipLogProgress(NetworkProvisioning, "BekenWiFiDriver::OnNetworkStatusChange\r\n");
	Network configuredNetwork = { 0 };

	VerifyOrReturn(mpStatusChangeCallback != nullptr);
	GetConnectedNetwork(configuredNetwork);

	if (configuredNetwork.networkIDLen)
	{
	mpStatusChangeCallback->OnNetworkingStatusChange(
	Status::kSuccess, MakeOptional(ByteSpan(configuredNetwork.networkID, configuredNetwork.networkIDLen)), NullOptional);
	return;
	}
	mpStatusChangeCallback->OnNetworkingStatusChange(
	Status::kUnknownError, MakeOptional(ByteSpan(configuredNetwork.networkID, configuredNetwork.networkIDLen)),
	MakeOptional(GetLastDisconnectReason()));
	}

	CHIP_ERROR BekenWiFiDriver::SetLastDisconnectReason(const ChipDeviceEvent * event)
	{
	ChipLogProgress(NetworkProvisioning, "BekenWiFiDriver::SetLastDisconnectReason\r\n");
	mLastDisconnectedReason = event->Platform.BKSystemEvent.Data.WiFiStaDisconnected;
	return CHIP_NO_ERROR;
	}

	int32_t BekenWiFiDriver::GetLastDisconnectReason()
	{
	ChipLogProgress(NetworkProvisioning, "BekenWiFiDriver::GetLastDisconnectReason\r\n");
	return mLastDisconnectedReason;
	}

	static beken_semaphore_t matter_scan_sema = NULL;

	int scan_done_handler(void * arg, event_module_t event_module, int event_id, void * event_data)
	{
	if (matter_scan_sema)
	{
	rtos_set_semaphore(&matter_scan_sema);
	}
	return BK_OK;
	}

	CHIP_ERROR BekenWiFiDriver::StartScanWiFiNetworks(ByteSpan ssid)
	{
	ChipLogProgress(NetworkProvisioning, "BekenWiFiDriver::StartScanWiFiNetworks\r\n");
	wifi_scan_config_t config = { 0 };
	if (ssid.data() == NULL) // non-directed scanning
	{
	ChipLogProgress(NetworkProvisioning, "non-directed scanning...\r\n");
	BK_LOG_ON_ERR(bk_wifi_scan_start(NULL));
	}
	else // directed scanning
	{
	os_memcpy(config.ssid, ssid.data(), ssid.size());
	ChipLogProgress(NetworkProvisioning, "directed scanning... ssid:%s ; %d \r\n", config.ssid, ssid.size());
	BK_LOG_ON_ERR(bk_wifi_scan_start(&config));
	}
	return CHIP_NO_ERROR;
	}

	void BekenWiFiDriver::OnScanWiFiNetworkDone()
	{
	ChipLogProgress(NetworkProvisioning, "BekenWiFiDriver::OnScanWiFiNetworkDone\r\n");
	if (!GetInstance().mpScanCallback)
	{
	ChipLogProgress(NetworkProvisioning, "can't find the ScanCallback function\r\n");
	return;
	}
	wifi_scan_result_t scan_result = { 0 };
	int scan_rst_ap_num = 0;
	BK_LOG_ON_ERR(bk_wifi_scan_get_result(&scan_result));
	scan_rst_ap_num = scan_result.ap_num;
	if (scan_rst_ap_num < 2) // beken scan result > = 1
	{
	ChipLogProgress(NetworkProvisioning, "NULL AP\r\n");
	GetInstance().mpScanCallback->OnFinished(Status::kNetworkNotFound, CharSpan(), nullptr);
	}
	else
	{
	ChipLogProgress(NetworkProvisioning, "AP num = %d\r\n", scan_rst_ap_num);
	BKScanResponseIterator iter(scan_rst_ap_num, &scan_result);
	GetInstance().mpScanCallback->OnFinished(Status::kSuccess, CharSpan(), &iter);
	}
	GetInstance().mpScanCallback = nullptr;
	bk_wifi_scan_free_result(&scan_result);
	}

	void BekenWiFiDriver::ScanNetworks(ByteSpan ssid, WiFiDriver::ScanCallback * callback)
	{
	ChipLogProgress(NetworkProvisioning, "BekenWiFiDriver::ScanNetworks\r\n");
	if (callback != nullptr)
	{
	mpScanCallback = callback;
	if (matter_scan_sema == NULL)
	{
	BK_LOG_ON_ERR(rtos_init_semaphore(&matter_scan_sema, 1));
	}
	BK_LOG_ON_ERR(bk_event_register_cb(EVENT_MOD_WIFI, EVENT_WIFI_SCAN_DONE, scan_done_handler, NULL));
	if (StartScanWiFiNetworks(ssid) != CHIP_NO_ERROR)
	{
	mpScanCallback = nullptr;
	callback->OnFinished(Status::kUnknownError, CharSpan(), nullptr);
	}
	BK_LOG_ON_ERR(rtos_get_semaphore(&matter_scan_sema, 4000)); // timeout 4000ms
	BK_LOG_ON_ERR(bk_event_unregister_cb(EVENT_MOD_WIFI, EVENT_WIFI_SCAN_DONE, scan_done_handler));
	BK_LOG_ON_ERR(rtos_deinit_semaphore(&matter_scan_sema));
	matter_scan_sema = NULL;
	OnScanWiFiNetworkDone();
	}
	}

	size_t BekenWiFiDriver::WiFiNetworkIterator::Count()
	{
	ChipLogProgress(NetworkProvisioning, "BekenWiFiDriver::WiFiNetworkIterator::Count\r\n");
	return mDriver->mStagingNetwork.ssidLen == 0 ? 0 : 1;
	}

	bool BekenWiFiDriver::WiFiNetworkIterator::Next(Network & item)
	{
	ChipLogProgress(NetworkProvisioning, "BekenWiFiDriver::WiFiNetworkIterator::Next\r\n");
	if (mExhausted \|\| mDriver->mStagingNetwork.ssidLen == 0)
	{
	return false;
	}
	uint8_t length =
	strnlen(reinterpret_cast<const char *>(mDriver->mStagingNetwork.ssid), DeviceLayer::Internal::kMaxWiFiSSIDLength);
	memcpy(item.networkID, mDriver->mStagingNetwork.ssid, length);
	item.networkIDLen = length;
	item.connected = false;
	mExhausted = true;
	Network connectedNetwork = { 0 };
	CHIP_ERROR err = GetConnectedNetwork(connectedNetwork);
	if (err == CHIP_NO_ERROR)
	{
	if (connectedNetwork.networkIDLen == item.networkIDLen &&
	memcmp(connectedNetwork.networkID, item.networkID, item.networkIDLen) == 0)
	{
	item.connected = true;
	}
	}
	return true;
	}

	} // namespace NetworkCommissioning
	} // namespace DeviceLayer
	} // namespace chip
	#endif // CHIP_DEVICE_CONFIG_ENABLE_WIFI