| /* |
| * |
| * 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 <aos/yloop.h> |
| #include <hal_wifi.h> |
| #include <lib/support/CodeUtils.h> |
| #include <lib/support/SafeInt.h> |
| #include <platform/CHIPDeviceLayer.h> |
| #include <platform/bouffalolab/BL602/NetworkCommissioningDriver.h> |
| #include <tcpip.h> |
| #include <wifi_mgmr_ext.h> |
| |
| #include <limits> |
| #include <string> |
| |
| 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"; |
| |
| constexpr char blWiFiSSIDKeyName[] = "bl-wifi-ssid"; |
| constexpr char blWiFiCredentialsKeyName[] = "bl-wifi-pass"; |
| |
| static uint8_t WiFiSSIDStr[DeviceLayer::Internal::kMaxWiFiSSIDLength]; |
| } // namespace |
| |
| CHIP_ERROR BLWiFiDriver::Init() |
| { |
| CHIP_ERROR err; |
| size_t ssidLen = 0; |
| size_t credentialsLen = 0; |
| |
| err = PersistedStorage::KeyValueStoreMgr().Get(kWiFiCredentialsKeyName, mSavedNetwork.credentials, |
| sizeof(mSavedNetwork.credentials), &credentialsLen); |
| if (err == CHIP_ERROR_NOT_FOUND) |
| { |
| return CHIP_NO_ERROR; |
| } |
| |
| err = PersistedStorage::KeyValueStoreMgr().Get(kWiFiSSIDKeyName, mSavedNetwork.ssid, sizeof(mSavedNetwork.ssid), &ssidLen); |
| if (err == CHIP_ERROR_NOT_FOUND) |
| { |
| return CHIP_NO_ERROR; |
| } |
| mSavedNetwork.credentialsLen = credentialsLen; |
| mSavedNetwork.ssidLen = ssidLen; |
| |
| mStagingNetwork = mSavedNetwork; |
| mpScanCallback = nullptr; |
| mpConnectCallback = nullptr; |
| |
| return err; |
| } |
| |
| void BLWiFiDriver::Shutdown() {} |
| |
| CHIP_ERROR BLWiFiDriver::CommitConfiguration() |
| { |
| 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 BLWiFiDriver::SaveConfiguration() |
| { |
| if (NULL == mStagingNetwork.ssid || 0 == mStagingNetwork.ssidLen || NULL == mStagingNetwork.credentials || |
| 0 == mStagingNetwork.credentialsLen) |
| { |
| return CHIP_ERROR_KEY_NOT_FOUND; |
| } |
| |
| ReturnErrorOnFailure( |
| PersistedStorage::KeyValueStoreMgr().Put(blWiFiSSIDKeyName, mStagingNetwork.ssid, mStagingNetwork.ssidLen)); |
| ReturnErrorOnFailure(PersistedStorage::KeyValueStoreMgr().Put(blWiFiCredentialsKeyName, mStagingNetwork.credentials, |
| mStagingNetwork.credentialsLen)); |
| return CHIP_NO_ERROR; |
| } |
| |
| CHIP_ERROR BLWiFiDriver::RevertConfiguration() |
| { |
| mStagingNetwork = mSavedNetwork; |
| return CHIP_NO_ERROR; |
| } |
| |
| bool BLWiFiDriver::NetworkMatch(const WiFiNetwork & network, ByteSpan networkId) |
| { |
| return networkId.size() == network.ssidLen && memcmp(networkId.data(), network.ssid, network.ssidLen) == 0; |
| } |
| |
| Status BLWiFiDriver::AddOrUpdateNetwork(ByteSpan ssid, ByteSpan credentials) |
| { |
| 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 BLWiFiDriver::RemoveNetwork(ByteSpan networkId) |
| { |
| VerifyOrReturnError(NetworkMatch(mStagingNetwork, networkId), Status::kNetworkIDNotFound); |
| |
| // Use empty ssid for representing invalid network |
| mStagingNetwork.ssidLen = 0; |
| return Status::kSuccess; |
| } |
| |
| Status BLWiFiDriver::ReorderNetwork(ByteSpan networkId, uint8_t index) |
| { |
| // Only one network is supported now |
| VerifyOrReturnError(index == 0, Status::kOutOfRange); |
| VerifyOrReturnError(NetworkMatch(mStagingNetwork, networkId), Status::kNetworkIDNotFound); |
| return Status::kSuccess; |
| } |
| |
| CHIP_ERROR BLWiFiDriver::ConnectWiFiNetwork(const char * ssid, uint8_t ssidLen, const char * key, uint8_t keyLen) |
| { |
| // ReturnErrorOnFailure(ConnectivityMgr().SetWiFiStationMode(ConnectivityManager::kWiFiStationMode_Disabled)); |
| |
| char wifi_ssid[64] = { 0 }; |
| char passwd[64] = { 0 }; |
| // Set the wifi configuration |
| memcpy(wifi_ssid, ssid, ssidLen); |
| memcpy(passwd, key, keyLen); |
| wifi_interface_t wifi_interface; |
| wifi_interface = wifi_mgmr_sta_enable(); |
| wifi_mgmr_sta_connect(wifi_interface, ssid, passwd, NULL, NULL, 0, 0); |
| |
| // Configure the WiFi interface. |
| ReturnErrorOnFailure(ConnectivityMgr().SetWiFiStationMode(ConnectivityManager::kWiFiStationMode_Disabled)); |
| |
| return ConnectivityMgr().SetWiFiStationMode(ConnectivityManager::kWiFiStationMode_Enabled); |
| } |
| |
| CHIP_ERROR BLWiFiDriver::ReConnectWiFiNetwork(void) |
| { |
| char ssid[64] = { 0 }; |
| char psk[64] = { 0 }; |
| size_t ssidLen = 0; |
| size_t pskLen = 0; |
| |
| ReturnErrorOnFailure( |
| PersistedStorage::KeyValueStoreMgr().Get((const char *) blWiFiSSIDKeyName, (void *) ssid, 64, &ssidLen, 0)); |
| ReturnErrorOnFailure( |
| PersistedStorage::KeyValueStoreMgr().Get((const char *) blWiFiCredentialsKeyName, (void *) psk, 64, &pskLen, 0)); |
| |
| ConnectWiFiNetwork(ssid, ssidLen, psk, pskLen); |
| |
| return CHIP_NO_ERROR; |
| } |
| |
| void BLWiFiDriver::OnConnectWiFiNetwork() |
| { |
| if (mpConnectCallback) |
| { |
| mpConnectCallback->OnResult(Status::kSuccess, CharSpan(), 0); |
| mpConnectCallback = nullptr; |
| } |
| } |
| |
| void BLWiFiDriver::ConnectNetwork(ByteSpan networkId, ConnectCallback * callback) |
| { |
| CHIP_ERROR err = CHIP_NO_ERROR; |
| Status networkingStatus = Status::kSuccess; |
| static int save = 0; |
| |
| // VerifyOrExit(NetworkMatch(mStagingNetwork, networkId), networkingStatus = Status::kNetworkIDNotFound); |
| // VerifyOrExit(mpConnectCallback == nullptr, networkingStatus = Status::kUnknownError); |
| ChipLogProgress(NetworkProvisioning, "BL NetworkCommissioningDelegate: SSID: %.*s", static_cast<int>(networkId.size()), |
| networkId.data()); |
| |
| 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); |
| } |
| } |
| |
| #if 0 |
| CHIP_ERROR ESPWiFiDriver::StartScanWiFiNetworks(ByteSpan ssid) |
| { |
| esp_err_t err = ESP_OK; |
| if (!ssid.empty()) |
| { |
| wifi_scan_config_t scan_config = { 0 }; |
| memset(WiFiSSIDStr, 0, sizeof(WiFiSSIDStr)); |
| memcpy(WiFiSSIDStr, ssid.data(), ssid.size()); |
| scan_config.ssid = WiFiSSIDStr; |
| err = esp_wifi_scan_start(&scan_config, false); |
| } |
| else |
| { |
| err = esp_wifi_scan_start(NULL, false); |
| } |
| if (err != ESP_OK) |
| { |
| return chip::DeviceLayer::Internal::ESP32Utils::MapError(err); |
| } |
| return CHIP_NO_ERROR; |
| } |
| #endif |
| |
| #if 0 |
| void ESPWiFiDriver::OnScanWiFiNetworkDone() |
| { |
| uint16_t ap_number; |
| esp_wifi_scan_get_ap_num(&ap_number); |
| if (!ap_number) |
| { |
| ChipLogProgress(DeviceLayer, "No AP found"); |
| if (mpScanCallback != nullptr) |
| { |
| mpScanCallback->OnFinished(Status::kSuccess, CharSpan(), nullptr); |
| mpScanCallback = nullptr; |
| } |
| return; |
| } |
| std::unique_ptr<wifi_ap_record_t[]> ap_buffer_ptr(new wifi_ap_record_t[ap_number]); |
| if (ap_buffer_ptr == NULL) |
| { |
| ChipLogError(DeviceLayer, "can't malloc memory for ap_list_buffer"); |
| if (mpScanCallback) |
| { |
| mpScanCallback->OnFinished(Status::kUnknownError, CharSpan(), nullptr); |
| mpScanCallback = nullptr; |
| } |
| return; |
| } |
| wifi_ap_record_t * ap_list_buffer = ap_buffer_ptr.get(); |
| if (esp_wifi_scan_get_ap_records(&ap_number, ap_list_buffer) == ESP_OK) |
| { |
| if (CHIP_NO_ERROR == DeviceLayer::SystemLayer().ScheduleLambda([ap_number, ap_list_buffer]() { |
| std::unique_ptr<wifi_ap_record_t[]> auto_free(ap_list_buffer); |
| ESPScanResponseIterator iter(ap_number, ap_list_buffer); |
| if (GetInstance().mpScanCallback) |
| { |
| GetInstance().mpScanCallback->OnFinished(Status::kSuccess, CharSpan(), &iter); |
| GetInstance().mpScanCallback = nullptr; |
| } |
| else |
| { |
| ChipLogError(DeviceLayer, "can't find the ScanCallback function"); |
| } |
| })) |
| { |
| ap_buffer_ptr.release(); |
| } |
| } |
| else |
| { |
| ChipLogError(DeviceLayer, "can't get ap_records "); |
| if (mpScanCallback) |
| { |
| mpScanCallback->OnFinished(Status::kUnknownError, CharSpan(), nullptr); |
| mpScanCallback = nullptr; |
| } |
| } |
| } |
| #endif |
| |
| void BLWiFiDriver::ScanNetworks(ByteSpan ssid, WiFiDriver::ScanCallback * callback) |
| { |
| #if 0 |
| if (callback != nullptr) |
| { |
| mpScanCallback = callback; |
| if (StartScanWiFiNetworks(ssid) != CHIP_NO_ERROR) |
| { |
| mpScanCallback = nullptr; |
| callback->OnFinished(Status::kUnknownError, CharSpan(), nullptr); |
| } |
| } |
| #endif |
| } |
| |
| #if 0 |
| CHIP_ERROR GetConnectedNetwork(Network & network) |
| { |
| wifi_ap_record_t ap_info; |
| esp_err_t err; |
| err = esp_wifi_sta_get_ap_info(&ap_info); |
| if (err != ESP_OK) |
| { |
| return chip::DeviceLayer::Internal::ESP32Utils::MapError(err); |
| } |
| uint8_t length = strnlen(reinterpret_cast<const char *>(ap_info.ssid), DeviceLayer::Internal::kMaxWiFiSSIDLength); |
| if (length > sizeof(network.networkID)) |
| { |
| return CHIP_ERROR_INTERNAL; |
| } |
| memcpy(network.networkID, ap_info.ssid, length); |
| network.networkIDLen = length; |
| return CHIP_NO_ERROR; |
| } |
| #endif |
| |
| size_t BLWiFiDriver::WiFiNetworkIterator::Count() |
| { |
| return mDriver->mStagingNetwork.ssidLen == 0 ? 0 : 1; |
| } |
| |
| bool BLWiFiDriver::WiFiNetworkIterator::Next(Network & item) |
| { |
| #if 0 |
| 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 connectedNetwork; |
| 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; |
| } |
| } |
| #endif |
| return true; |
| } |
| |
| } // namespace NetworkCommissioning |
| } // namespace DeviceLayer |
| } // namespace chip |
| // #endif // CHIP_DEVICE_CONFIG_ENABLE_WIFI |