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/*
*
* Copyright (c) 2020-2021 Project CHIP Authors
* Copyright (c) 2018 Nest Labs, Inc.
*
* 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.
*/
#pragma once
#include <platform/ConnectivityManager.h>
#include <platform/internal/GenericConnectivityManagerImpl.h>
#include <platform/internal/GenericConnectivityManagerImpl_UDP.h>
#if INET_CONFIG_ENABLE_TCP_ENDPOINT
#include <platform/internal/GenericConnectivityManagerImpl_TCP.h>
#endif
#if CHIP_DEVICE_CONFIG_ENABLE_CHIPOBLE
#include <platform/internal/GenericConnectivityManagerImpl_BLE.h>
#else
#include <platform/internal/GenericConnectivityManagerImpl_NoBLE.h>
#endif
#if CHIP_DEVICE_CONFIG_ENABLE_THREAD
#include <platform/internal/GenericConnectivityManagerImpl_Thread.h>
#else
#include <platform/internal/GenericConnectivityManagerImpl_NoThread.h>
#endif
#if CHIP_DEVICE_CONFIG_ENABLE_WPA
#include <platform/internal/GenericConnectivityManagerImpl_WiFi.h>
#else
#include <platform/internal/GenericConnectivityManagerImpl_NoWiFi.h>
#endif
#if CHIP_DEVICE_CONFIG_ENABLE_WPA
#include <platform/Linux/dbus/wpa/DBusWpa.h>
#include <platform/Linux/dbus/wpa/DBusWpaBss.h>
#include <platform/Linux/dbus/wpa/DBusWpaInterface.h>
#include <platform/Linux/dbus/wpa/DBusWpaNetwork.h>
#include <system/SystemMutex.h>
#include <mutex>
#endif
#include <platform/Linux/NetworkCommissioningDriver.h>
#include <platform/NetworkCommissioning.h>
#include <vector>
namespace chip {
namespace Inet {
class IPAddress;
} // namespace Inet
} // namespace chip
namespace chip {
namespace DeviceLayer {
#if CHIP_DEVICE_CONFIG_ENABLE_WPA
struct GDBusWpaSupplicant
{
enum class WpaState
{
INIT,
CONNECTING,
CONNECTED,
NOT_CONNECTED,
NO_INTERFACE_PATH,
GOT_INTERFACE_PATH,
INTERFACE_CONNECTED,
};
enum class WpaScanningState
{
IDLE,
SCANNING,
};
WpaState state = WpaState::INIT;
WpaScanningState scanState = WpaScanningState::IDLE;
WpaFiW1Wpa_supplicant1 * proxy = nullptr;
WpaFiW1Wpa_supplicant1Interface * iface = nullptr;
WpaFiW1Wpa_supplicant1BSS * bss = nullptr;
gchar * interfacePath = nullptr;
gchar * networkPath = nullptr;
};
#endif
/**
* Concrete implementation of the ConnectivityManager singleton object for Linux platforms.
*/
class ConnectivityManagerImpl final : public ConnectivityManager,
#if CHIP_DEVICE_CONFIG_ENABLE_CHIPOBLE
public Internal::GenericConnectivityManagerImpl_BLE<ConnectivityManagerImpl>,
#else
public Internal::GenericConnectivityManagerImpl_NoBLE<ConnectivityManagerImpl>,
#endif
#if CHIP_DEVICE_CONFIG_ENABLE_THREAD
public Internal::GenericConnectivityManagerImpl_Thread<ConnectivityManagerImpl>,
#else
public Internal::GenericConnectivityManagerImpl_NoThread<ConnectivityManagerImpl>,
#endif
#if CHIP_DEVICE_CONFIG_ENABLE_WPA
public Internal::GenericConnectivityManagerImpl_WiFi<ConnectivityManagerImpl>,
#else
public Internal::GenericConnectivityManagerImpl_NoWiFi<ConnectivityManagerImpl>,
#endif
public Internal::GenericConnectivityManagerImpl_UDP<ConnectivityManagerImpl>,
#if INET_CONFIG_ENABLE_TCP_ENDPOINT
public Internal::GenericConnectivityManagerImpl_TCP<ConnectivityManagerImpl>,
#endif
public Internal::GenericConnectivityManagerImpl<ConnectivityManagerImpl>
{
// Allow the ConnectivityManager interface class to delegate method calls to
// the implementation methods provided by this class.
friend class ConnectivityManager;
#if CHIP_DEVICE_CONFIG_ENABLE_WPA
public:
void
SetNetworkStatusChangeCallback(NetworkCommissioning::Internal::BaseDriver::NetworkStatusChangeCallback * statusChangeCallback)
{
mpStatusChangeCallback = statusChangeCallback;
}
CHIP_ERROR ConnectWiFiNetworkAsync(ByteSpan ssid, ByteSpan credentials,
NetworkCommissioning::Internal::WirelessDriver::ConnectCallback * connectCallback);
#if CHIP_DEVICE_CONFIG_ENABLE_WIFI_PDC
CHIP_ERROR ConnectWiFiNetworkWithPDCAsync(ByteSpan ssid, ByteSpan networkIdentity, ByteSpan clientIdentity,
const Crypto::P256Keypair & clientIdentityKeypair,
NetworkCommissioning::Internal::WirelessDriver::ConnectCallback * connectCallback);
#endif // CHIP_DEVICE_CONFIG_ENABLE_WIFI_PDC
void PostNetworkConnect();
CHIP_ERROR CommitConfig();
void StartWiFiManagement();
bool IsWiFiManagementStarted();
void StartNonConcurrentWiFiManagement();
int32_t GetDisconnectReason();
CHIP_ERROR GetWiFiBssId(MutableByteSpan & value);
CHIP_ERROR GetWiFiSecurityType(app::Clusters::WiFiNetworkDiagnostics::SecurityTypeEnum & securityType);
CHIP_ERROR GetWiFiVersion(app::Clusters::WiFiNetworkDiagnostics::WiFiVersionEnum & wiFiVersion);
CHIP_ERROR GetConfiguredNetwork(NetworkCommissioning::Network & network);
CHIP_ERROR StartWiFiScan(ByteSpan ssid, NetworkCommissioning::WiFiDriver::ScanCallback * callback);
private:
CHIP_ERROR _ConnectWiFiNetworkAsync(GVariant * networkArgs,
NetworkCommissioning::Internal::WirelessDriver::ConnectCallback * connectCallback)
CHIP_REQUIRES(mWpaSupplicantMutex);
void _ConnectWiFiNetworkAsyncCallback(GObject * sourceObject, GAsyncResult * res);
#endif
public:
const char * GetEthernetIfName() { return (mEthIfName[0] == '\0') ? nullptr : mEthIfName; }
#if CHIP_DEVICE_CONFIG_ENABLE_WIFI
const char * GetWiFiIfName() { return (sWiFiIfName[0] == '\0') ? nullptr : sWiFiIfName; }
#endif
private:
// ===== Members that implement the ConnectivityManager abstract interface.
struct WiFiNetworkScanned
{
// The fields matches WiFiInterfaceScanResult::Type.
uint8_t ssid[Internal::kMaxWiFiSSIDLength];
uint8_t ssidLen;
uint8_t bssid[6];
int8_t rssi;
uint16_t frequencyBand;
uint8_t channel;
uint8_t security;
};
CHIP_ERROR _Init();
void _OnPlatformEvent(const ChipDeviceEvent * event);
#if CHIP_DEVICE_CONFIG_ENABLE_WPA
WiFiStationMode _GetWiFiStationMode();
CHIP_ERROR _SetWiFiStationMode(ConnectivityManager::WiFiStationMode val);
System::Clock::Timeout _GetWiFiStationReconnectInterval();
CHIP_ERROR _SetWiFiStationReconnectInterval(System::Clock::Timeout val);
bool _IsWiFiStationEnabled();
bool _IsWiFiStationConnected();
bool _IsWiFiStationApplicationControlled();
bool _IsWiFiStationProvisioned();
void _ClearWiFiStationProvision();
bool _CanStartWiFiScan();
WiFiAPMode _GetWiFiAPMode();
CHIP_ERROR _SetWiFiAPMode(WiFiAPMode val);
bool _IsWiFiAPActive();
bool _IsWiFiAPApplicationControlled();
void _DemandStartWiFiAP();
void _StopOnDemandWiFiAP();
void _MaintainOnDemandWiFiAP();
System::Clock::Timeout _GetWiFiAPIdleTimeout();
void _SetWiFiAPIdleTimeout(System::Clock::Timeout val);
void UpdateNetworkStatus();
CHIP_ERROR StopAutoScan();
void _OnWpaProxyReady(GObject * sourceObject, GAsyncResult * res);
void _OnWpaInterfaceRemoved(WpaFiW1Wpa_supplicant1 * proxy, const char * path, GVariant * properties);
void _OnWpaInterfaceAdded(WpaFiW1Wpa_supplicant1 * proxy, const char * path, GVariant * properties);
void _OnWpaPropertiesChanged(WpaFiW1Wpa_supplicant1Interface * proxy, GVariant * properties);
void _OnWpaInterfaceScanDone(WpaFiW1Wpa_supplicant1Interface * proxy, gboolean success);
void _OnWpaInterfaceReady(GObject * sourceObject, GAsyncResult * res);
void _OnWpaInterfaceProxyReady(GObject * sourceObject, GAsyncResult * res);
void _OnWpaBssProxyReady(GObject * sourceObject, GAsyncResult * res);
bool _GetBssInfo(const gchar * bssPath, NetworkCommissioning::WiFiScanResponse & result);
CHIP_ERROR _StartWiFiManagement();
bool mAssociationStarted = false;
BitFlags<ConnectivityFlags> mConnectivityFlag;
GDBusWpaSupplicant mWpaSupplicant CHIP_GUARDED_BY(mWpaSupplicantMutex);
// Access to mWpaSupplicant has to be protected by a mutex because it is accessed from
// the CHIP event loop thread and dedicated D-Bus thread started by platform manager.
std::mutex mWpaSupplicantMutex;
NetworkCommissioning::Internal::BaseDriver::NetworkStatusChangeCallback * mpStatusChangeCallback = nullptr;
#endif
// ==================== ConnectivityManager Private Methods ====================
#if CHIP_DEVICE_CONFIG_ENABLE_WPA
void DriveAPState();
CHIP_ERROR ConfigureWiFiAP();
void ChangeWiFiAPState(WiFiAPState newState);
static void DriveAPState(::chip::System::Layer * aLayer, void * aAppState);
#endif
// ===== Members for internal use by the following friends.
friend ConnectivityManager & ConnectivityMgr();
friend ConnectivityManagerImpl & ConnectivityMgrImpl();
static ConnectivityManagerImpl sInstance;
// ===== Private members reserved for use by this class only.
char mEthIfName[IFNAMSIZ];
#if CHIP_DEVICE_CONFIG_ENABLE_WPA
ConnectivityManager::WiFiStationMode mWiFiStationMode;
ConnectivityManager::WiFiAPMode mWiFiAPMode;
WiFiAPState mWiFiAPState;
System::Clock::Timestamp mLastAPDemandTime;
System::Clock::Timeout mWiFiStationReconnectInterval;
System::Clock::Timeout mWiFiAPIdleTimeout;
#endif
#if CHIP_DEVICE_CONFIG_ENABLE_WIFI
char sWiFiIfName[IFNAMSIZ];
#endif
#if CHIP_DEVICE_CONFIG_ENABLE_WPA
uint8_t sInterestedSSID[Internal::kMaxWiFiSSIDLength];
uint8_t sInterestedSSIDLen;
#endif
NetworkCommissioning::WiFiDriver::ScanCallback * mpScanCallback;
NetworkCommissioning::Internal::WirelessDriver::ConnectCallback * mpConnectCallback;
};
#if CHIP_DEVICE_CONFIG_ENABLE_WPA
inline ConnectivityManager::WiFiAPMode ConnectivityManagerImpl::_GetWiFiAPMode()
{
return mWiFiAPMode;
}
inline bool ConnectivityManagerImpl::_IsWiFiAPActive()
{
return mWiFiAPState == kWiFiAPState_Active;
}
inline bool ConnectivityManagerImpl::_IsWiFiAPApplicationControlled()
{
return mWiFiAPMode == kWiFiAPMode_ApplicationControlled;
}
inline System::Clock::Timeout ConnectivityManagerImpl::_GetWiFiAPIdleTimeout()
{
return mWiFiAPIdleTimeout;
}
#endif
/**
* Returns the public interface of the ConnectivityManager singleton object.
*
* chip applications should use this to access features of the ConnectivityManager object
* that are common to all platforms.
*/
inline ConnectivityManager & ConnectivityMgr()
{
return ConnectivityManagerImpl::sInstance;
}
/**
* Returns the platform-specific implementation of the ConnectivityManager singleton object.
*
* chip applications can use this to gain access to features of the ConnectivityManager
* that are specific to the ESP32 platform.
*/
inline ConnectivityManagerImpl & ConnectivityMgrImpl()
{
return ConnectivityManagerImpl::sInstance;
}
} // namespace DeviceLayer
} // namespace chip