blob: 9bcf1a1c595ba3e9abdb62c0742db6cd630345ab [file] [log] [blame]
/*
*
* 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 CHIP_DEVICE_CONFIG_ENABLE_WIFI
// 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);
});
#endif
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;
matter_wifi_get_setting(WLAN0_IDX, &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