| /* |
| * |
| * Copyright (c) 2021 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/Ameba/AmebaUtils.h> |
| #include <platform/Ameba/ConnectivityManagerImpl.h> |
| #include <platform/Ameba/NetworkCommissioningDriver.h> |
| #include <platform/CHIPDeviceLayer.h> |
| |
| #include <limits> |
| #include <string> |
| |
| extern uint32_t apNum; |
| using namespace ::chip; |
| |
| namespace chip { |
| namespace DeviceLayer { |
| namespace NetworkCommissioning { |
| |
| CHIP_ERROR AmebaWiFiDriver::Init(NetworkStatusChangeCallback * networkStatusChangeCallback) |
| { |
| CHIP_ERROR err; |
| size_t ssidLen = 0; |
| size_t credentialsLen = 0; |
| mpScanCallback = nullptr; |
| mpConnectCallback = nullptr; |
| mpStatusChangeCallback = networkStatusChangeCallback; |
| |
| rtw_wifi_config_t config = { 0 }; |
| err = chip::DeviceLayer::Internal::AmebaUtils::GetWiFiConfig(&config); |
| if (err == CHIP_ERROR_PERSISTED_STORAGE_VALUE_NOT_FOUND) |
| { |
| return CHIP_NO_ERROR; |
| } |
| |
| memcpy(mSavedNetwork.ssid, config.ssid, sizeof(config.ssid)); |
| memcpy(mSavedNetwork.credentials, config.password, sizeof(config.password)); |
| mSavedNetwork.ssidLen = config.ssid_len; |
| mSavedNetwork.credentialsLen = config.password_len; |
| |
| mStagingNetwork = mSavedNetwork; |
| return err; |
| } |
| |
| void AmebaWiFiDriver::Shutdown() |
| { |
| mpStatusChangeCallback = nullptr; |
| } |
| |
| CHIP_ERROR AmebaWiFiDriver::CommitConfiguration() |
| { |
| rtw_wifi_config_t config = { 0 }; |
| memcpy(config.ssid, mStagingNetwork.ssid, mStagingNetwork.ssidLen); |
| memcpy(config.password, mStagingNetwork.credentials, mStagingNetwork.credentialsLen); |
| ReturnErrorOnFailure(chip::DeviceLayer::Internal::AmebaUtils::SetWiFiConfig(&config)); |
| |
| mSavedNetwork = mStagingNetwork; |
| return CHIP_NO_ERROR; |
| } |
| |
| CHIP_ERROR AmebaWiFiDriver::RevertConfiguration() |
| { |
| mStagingNetwork = mSavedNetwork; |
| return CHIP_NO_ERROR; |
| } |
| |
| bool AmebaWiFiDriver::NetworkMatch(const WiFiNetwork & network, ByteSpan networkId) |
| { |
| return networkId.size() == network.ssidLen && memcmp(networkId.data(), network.ssid, network.ssidLen) == 0; |
| } |
| |
| Status AmebaWiFiDriver::AddOrUpdateNetwork(ByteSpan ssid, ByteSpan credentials, MutableCharSpan & outDebugText, |
| uint8_t & outNetworkIndex) |
| { |
| 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); |
| |
| mStagingNetwork = {}; |
| 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 AmebaWiFiDriver::RemoveNetwork(ByteSpan networkId, MutableCharSpan & outDebugText, uint8_t & outNetworkIndex) |
| { |
| outDebugText.reduce_size(0); |
| outNetworkIndex = 0; |
| VerifyOrReturnError(NetworkMatch(mStagingNetwork, networkId), Status::kNetworkIDNotFound); |
| |
| // Use empty ssid for representing invalid network |
| mStagingNetwork = {}; |
| mStagingNetwork.ssidLen = 0; |
| return Status::kSuccess; |
| } |
| |
| Status AmebaWiFiDriver::ReorderNetwork(ByteSpan networkId, uint8_t index, MutableCharSpan & outDebugText) |
| { |
| outDebugText.reduce_size(0); |
| // Only one network is supported now |
| VerifyOrReturnError(index == 0, Status::kOutOfRange); |
| VerifyOrReturnError(NetworkMatch(mStagingNetwork, networkId), Status::kNetworkIDNotFound); |
| return Status::kSuccess; |
| } |
| |
| CHIP_ERROR AmebaWiFiDriver::ConnectWiFiNetwork(const char * ssid, uint8_t ssidLen, const char * key, uint8_t keyLen) |
| { |
| CHIP_ERROR err = CHIP_NO_ERROR; |
| bool connected; |
| |
| // If device is already connected to WiFi, then disconnect the WiFi, |
| chip::DeviceLayer::Internal::AmebaUtils::IsStationConnected(connected); |
| if (connected) |
| { |
| ConnectivityMgrImpl().ChangeWiFiStationState(ConnectivityManager::kWiFiStationState_Disconnecting); |
| ChipLogProgress(DeviceLayer, "Disconnecting WiFi station interface"); |
| err = chip::DeviceLayer::Internal::AmebaUtils::WiFiDisconnect(); |
| if (err != CHIP_NO_ERROR) |
| { |
| ChipLogError(DeviceLayer, "WiFiDisconnect() failed"); |
| return err; |
| } |
| } |
| |
| // clear the WiFi configurations and add the newly provided WiFi configurations. |
| if (chip::DeviceLayer::Internal::AmebaUtils::IsStationProvisioned()) |
| { |
| err = chip::DeviceLayer::Internal::AmebaUtils::ClearWiFiConfig(); |
| if (err != CHIP_NO_ERROR) |
| { |
| ChipLogError(DeviceLayer, "ClearWiFiStationProvision failed"); |
| return err; |
| } |
| } |
| |
| DeviceLayer::ConnectivityManager::WiFiStationState state = DeviceLayer::ConnectivityManager::kWiFiStationState_Connecting; |
| DeviceLayer::SystemLayer().ScheduleLambda([state, ssid, key]() { |
| ConnectivityMgrImpl().ChangeWiFiStationState(state); |
| chip::DeviceLayer::Internal::AmebaUtils::WiFiConnect(ssid, key); |
| }); |
| |
| return err; |
| } |
| |
| void AmebaWiFiDriver::OnConnectWiFiNetwork() |
| { |
| if (mpConnectCallback) |
| { |
| mpConnectCallback->OnResult(Status::kSuccess, CharSpan(), 0); |
| mpConnectCallback = nullptr; |
| } |
| } |
| |
| void AmebaWiFiDriver::ConnectNetwork(ByteSpan networkId, ConnectCallback * callback) |
| { |
| CHIP_ERROR err = CHIP_NO_ERROR; |
| Status networkingStatus = Status::kSuccess; |
| |
| VerifyOrExit(NetworkMatch(mStagingNetwork, networkId), networkingStatus = Status::kNetworkIDNotFound); |
| VerifyOrExit(mpConnectCallback == nullptr, networkingStatus = Status::kUnknownError); |
| ChipLogProgress(NetworkProvisioning, "Ameba NetworkCommissioningDelegate: SSID: %s", mStagingNetwork.ssid); |
| |
| 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; |
| callback->OnResult(networkingStatus, CharSpan(), 0); |
| } |
| } |
| |
| CHIP_ERROR AmebaWiFiDriver::StartScanWiFiNetworks(ByteSpan ssid) |
| { |
| if (!ssid.empty()) // ssid is given, only scan this network |
| { |
| matter_scan_networks_with_ssid(ssid.data(), ssid.size()); |
| } |
| else // scan all networks |
| { |
| matter_scan_networks(); |
| } |
| return CHIP_NO_ERROR; |
| } |
| |
| void AmebaWiFiDriver::OnScanWiFiNetworkDone() |
| { |
| uint16_t NumAP = apNum; |
| apNum = 0; |
| if (!NumAP) |
| { |
| ChipLogProgress(DeviceLayer, "No AP found"); |
| if (mpScanCallback != nullptr) |
| { |
| mpScanCallback->OnFinished(Status::kSuccess, CharSpan(), nullptr); |
| mpScanCallback = nullptr; |
| } |
| return; |
| } |
| |
| rtw_scan_result_t * ScanResult = matter_get_scan_results(); |
| |
| if (ScanResult) |
| { |
| if (CHIP_NO_ERROR == DeviceLayer::SystemLayer().ScheduleLambda([NumAP, ScanResult]() { |
| AmebaScanResponseIterator iter(NumAP, ScanResult); |
| if (GetInstance().mpScanCallback) |
| { |
| GetInstance().mpScanCallback->OnFinished(Status::kSuccess, CharSpan(), &iter); |
| GetInstance().mpScanCallback = nullptr; |
| } |
| else |
| { |
| ChipLogError(DeviceLayer, "can't find the ScanCallback function"); |
| } |
| })) |
| { |
| ChipLogProgress(DeviceLayer, "ScheduleLambda OK"); |
| } |
| } |
| else |
| { |
| ChipLogError(DeviceLayer, "can't get ap_records "); |
| if (mpScanCallback) |
| { |
| mpScanCallback->OnFinished(Status::kUnknownError, CharSpan(), nullptr); |
| mpScanCallback = nullptr; |
| } |
| } |
| } |
| |
| CHIP_ERROR GetConfiguredNetwork(Network & network) |
| { |
| rtw_wifi_setting_t wifi_setting; |
| wifi_get_setting(WLAN0_NAME, &wifi_setting); |
| |
| uint8_t length = strnlen(reinterpret_cast<const char *>(wifi_setting.ssid), DeviceLayer::Internal::kMaxWiFiSSIDLength); |
| if (length > sizeof(network.networkID)) |
| { |
| ChipLogError(DeviceLayer, "SSID too long"); |
| return CHIP_ERROR_INTERNAL; |
| } |
| |
| memcpy(network.networkID, wifi_setting.ssid, length); |
| network.networkIDLen = length; |
| return CHIP_NO_ERROR; |
| } |
| |
| void AmebaWiFiDriver::OnNetworkStatusChange() |
| { |
| Network configuredNetwork; |
| bool staEnabled = false, staConnected = false; |
| VerifyOrReturn(chip::DeviceLayer::Internal::AmebaUtils::IsStationEnabled(staEnabled) == CHIP_NO_ERROR); |
| VerifyOrReturn(staEnabled && mpStatusChangeCallback != nullptr); |
| |
| CHIP_ERROR err = GetConfiguredNetwork(configuredNetwork); |
| if (err != CHIP_NO_ERROR) |
| { |
| ChipLogError(DeviceLayer, "Failed to get configured network when updating network status: %s", err.AsString()); |
| return; |
| } |
| |
| VerifyOrReturn(chip::DeviceLayer::Internal::AmebaUtils::IsStationConnected(staConnected) == CHIP_NO_ERROR); |
| if (staConnected) |
| { |
| mpStatusChangeCallback->OnNetworkingStatusChange( |
| Status::kSuccess, MakeOptional(ByteSpan(configuredNetwork.networkID, configuredNetwork.networkIDLen)), NullOptional); |
| return; |
| } |
| mpStatusChangeCallback->OnNetworkingStatusChange( |
| Status::kUnknownError, MakeOptional(ByteSpan(configuredNetwork.networkID, configuredNetwork.networkIDLen)), |
| MakeOptional(GetLastDisconnectReason())); |
| } |
| |
| void AmebaWiFiDriver::ScanNetworks(ByteSpan ssid, WiFiDriver::ScanCallback * callback) |
| { |
| if (callback != nullptr) |
| { |
| mpScanCallback = callback; |
| if (StartScanWiFiNetworks(ssid) != CHIP_NO_ERROR) |
| { |
| mpScanCallback = nullptr; |
| callback->OnFinished(Status::kUnknownError, CharSpan(), nullptr); |
| } |
| } |
| } |
| |
| CHIP_ERROR AmebaWiFiDriver::SetLastDisconnectReason(const ChipDeviceEvent * event) |
| { |
| VerifyOrReturnError(event->Type == DeviceEventType::kRtkWiFiStationDisconnectedEvent, CHIP_ERROR_INVALID_ARGUMENT); |
| mLastDisconnectedReason = matter_wifi_get_last_error(); |
| return CHIP_NO_ERROR; |
| } |
| |
| int32_t AmebaWiFiDriver::GetLastDisconnectReason() |
| { |
| return mLastDisconnectedReason; |
| } |
| |
| size_t AmebaWiFiDriver::WiFiNetworkIterator::Count() |
| { |
| return mDriver->mStagingNetwork.ssidLen == 0 ? 0 : 1; |
| } |
| |
| bool AmebaWiFiDriver::WiFiNetworkIterator::Next(Network & item) |
| { |
| if (mExhausted || mDriver->mStagingNetwork.ssidLen == 0) |
| { |
| return false; |
| } |
| memcpy(item.networkID, mDriver->mStagingNetwork.ssid, mDriver->mStagingNetwork.ssidLen); |
| item.networkIDLen = mDriver->mStagingNetwork.ssidLen; |
| item.connected = false; |
| mExhausted = true; |
| |
| Network configuredNetwork; |
| CHIP_ERROR err = GetConfiguredNetwork(configuredNetwork); |
| if (err == CHIP_NO_ERROR) |
| { |
| bool isConnected = false; |
| err = chip::DeviceLayer::Internal::AmebaUtils::IsStationConnected(isConnected); |
| |
| if (isConnected && configuredNetwork.networkIDLen == item.networkIDLen && |
| memcmp(configuredNetwork.networkID, item.networkID, item.networkIDLen) == 0) |
| { |
| item.connected = true; |
| } |
| } |
| return true; |
| } |
| |
| } // namespace NetworkCommissioning |
| } // namespace DeviceLayer |
| } // namespace chip |