| /* |
| * |
| * Copyright (c) 2021 Project CHIP Authors |
| * Copyright (c) 2018 Nest Labs, Inc. |
| * All rights reserved. |
| * |
| * 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. |
| */ |
| /* this file behaves like a config.h, comes first */ |
| #include <platform/internal/CHIPDeviceLayerInternal.h> |
| |
| #include <platform/ConnectivityManager.h> |
| #if CHIP_DEVICE_CONFIG_ENABLE_CHIPOBLE |
| #include <platform/internal/GenericConnectivityManagerImpl_BLE.cpp> |
| #endif |
| #include <platform/internal/GenericConnectivityManagerImpl_WiFi.cpp> |
| |
| #include <lib/support/CodeUtils.h> |
| #include <lib/support/logging/CHIPLogging.h> |
| #include <platform/P6/P6Utils.h> |
| #include <platform/internal/BLEManager.h> |
| |
| #include <lwip/dns.h> |
| #include <lwip/ip_addr.h> |
| #include <lwip/nd6.h> |
| #include <lwip/netif.h> |
| |
| #include "lwip/opt.h" |
| #include <cy_lwip.h> |
| #include <type_traits> |
| |
| #if !CHIP_DEVICE_CONFIG_ENABLE_WIFI_STATION |
| #error "WiFi Station support must be enabled when building for PSoC6" |
| #endif |
| |
| using namespace ::chip; |
| using namespace ::chip::Inet; |
| using namespace ::chip::System; |
| using namespace ::chip::TLV; |
| |
| namespace chip { |
| namespace DeviceLayer { |
| |
| ConnectivityManagerImpl ConnectivityManagerImpl::sInstance; |
| |
| ConnectivityManager::WiFiStationMode ConnectivityManagerImpl::_GetWiFiStationMode(void) |
| { |
| uint32_t curWiFiMode; |
| mWiFiStationMode = (Internal::P6Utils::wifi_get_mode(curWiFiMode) == CHIP_NO_ERROR && |
| (curWiFiMode == WIFI_MODE_APSTA || curWiFiMode == WIFI_MODE_STA)) |
| ? kWiFiStationMode_Enabled |
| : kWiFiStationMode_Disabled; |
| return mWiFiStationMode; |
| } |
| |
| CHIP_ERROR ConnectivityManagerImpl::_SetWiFiStationMode(WiFiStationMode val) |
| { |
| CHIP_ERROR err = CHIP_NO_ERROR; |
| VerifyOrExit(val != kWiFiStationMode_NotSupported, err = CHIP_ERROR_INVALID_ARGUMENT); |
| if (val != kWiFiStationMode_ApplicationControlled) |
| { |
| mWiFiStationMode = val; |
| DeviceLayer::SystemLayer().ScheduleWork(DriveStationState, NULL); |
| } |
| if (mWiFiStationMode != val) |
| { |
| ChipLogProgress(DeviceLayer, "WiFi station mode change: %s -> %s", WiFiStationModeToStr(mWiFiStationMode), |
| WiFiStationModeToStr(val)); |
| } |
| |
| mWiFiStationMode = val; |
| exit: |
| return err; |
| } |
| |
| bool ConnectivityManagerImpl::_IsWiFiStationEnabled(void) |
| { |
| return GetWiFiStationMode() == kWiFiStationMode_Enabled; |
| } |
| |
| bool ConnectivityManagerImpl::_IsWiFiStationProvisioned(void) |
| { |
| return Internal::P6Utils::IsStationProvisioned(); |
| } |
| |
| void ConnectivityManagerImpl::_ClearWiFiStationProvision(void) |
| { |
| if (mWiFiStationMode != kWiFiStationMode_ApplicationControlled) |
| { |
| wifi_config_t stationConfig; |
| |
| memset(&stationConfig, 0, sizeof(stationConfig)); |
| Internal::P6Utils::p6_wifi_set_config(WIFI_IF_STA, &stationConfig); |
| |
| DeviceLayer::SystemLayer().ScheduleWork(DriveStationState, NULL); |
| DeviceLayer::SystemLayer().ScheduleWork(DriveAPState, NULL); |
| } |
| } |
| |
| CHIP_ERROR ConnectivityManagerImpl::_SetWiFiAPMode(WiFiAPMode val) |
| { |
| CHIP_ERROR err = CHIP_NO_ERROR; |
| |
| VerifyOrExit(val != kWiFiAPMode_NotSupported, err = CHIP_ERROR_INVALID_ARGUMENT); |
| |
| if (mWiFiAPMode != val) |
| { |
| ChipLogProgress(DeviceLayer, "WiFi AP mode change: %s -> %s", WiFiAPModeToStr(mWiFiAPMode), WiFiAPModeToStr(val)); |
| } |
| mWiFiAPMode = val; |
| DeviceLayer::SystemLayer().ScheduleWork(DriveAPState, NULL); |
| exit: |
| return err; |
| } |
| |
| void ConnectivityManagerImpl::_DemandStartWiFiAP(void) |
| { |
| if (mWiFiAPMode == kWiFiAPMode_OnDemand || mWiFiAPMode == kWiFiAPMode_OnDemand_NoStationProvision) |
| { |
| mLastAPDemandTime = System::SystemClock().GetMonotonicTimestamp(); |
| DeviceLayer::SystemLayer().ScheduleWork(DriveAPState, NULL); |
| } |
| } |
| |
| void ConnectivityManagerImpl::_StopOnDemandWiFiAP(void) |
| { |
| if (mWiFiAPMode == kWiFiAPMode_OnDemand || mWiFiAPMode == kWiFiAPMode_OnDemand_NoStationProvision) |
| { |
| mLastAPDemandTime = System::Clock::kZero; |
| DeviceLayer::SystemLayer().ScheduleWork(DriveAPState, NULL); |
| } |
| } |
| |
| void ConnectivityManagerImpl::_MaintainOnDemandWiFiAP(void) |
| { |
| if (mWiFiAPMode == kWiFiAPMode_OnDemand || mWiFiAPMode == kWiFiAPMode_OnDemand_NoStationProvision) |
| { |
| if (mWiFiAPState == kWiFiAPState_Activating || mWiFiAPState == kWiFiAPState_Active) |
| { |
| mLastAPDemandTime = System::SystemClock().GetMonotonicTimestamp(); |
| } |
| } |
| } |
| |
| void ConnectivityManagerImpl::_SetWiFiAPIdleTimeout(System::Clock::Timeout val) |
| { |
| mWiFiAPIdleTimeout = val; |
| DeviceLayer::SystemLayer().ScheduleWork(DriveAPState, NULL); |
| } |
| |
| CHIP_ERROR ConnectivityManagerImpl::_GetAndLogWiFiStatsCounters(void) |
| { |
| cy_wcm_associated_ap_info_t ap_info; |
| cy_rslt_t result = CY_RSLT_SUCCESS; |
| |
| result = cy_wcm_get_associated_ap_info(&ap_info); |
| if (result != CY_RSLT_SUCCESS) |
| { |
| ChipLogError(DeviceLayer, "cy_wcm_get_associated_ap_info failed: %d", (int) result); |
| SuccessOrExit(CHIP_ERROR_INTERNAL); |
| } |
| |
| ChipLogProgress(DeviceLayer, |
| "WiFi-Telemetry\n" |
| "BSSID: %02x:%02x:%02x:%02x:%02x:%02x\n" |
| "RSSI: %d\n" |
| "Channel: %d\n" |
| "Channel Width: %d Mhz\n", |
| ap_info.BSSID[0], ap_info.BSSID[1], ap_info.BSSID[2], ap_info.BSSID[3], ap_info.BSSID[4], ap_info.BSSID[5], |
| ap_info.signal_strength, ap_info.channel, ap_info.channel_width); |
| exit: |
| return CHIP_NO_ERROR; |
| } |
| |
| // ==================== ConnectivityManager Platform Internal Methods ==================== |
| CHIP_ERROR ConnectivityManagerImpl::_Init() |
| { |
| CHIP_ERROR err = CHIP_NO_ERROR; |
| mLastStationConnectFailTime = System::Clock::kZero; |
| mLastAPDemandTime = System::Clock::kZero; |
| mWiFiStationMode = kWiFiStationMode_Disabled; |
| mWiFiStationState = kWiFiStationState_NotConnected; |
| mWiFiAPMode = kWiFiAPMode_Disabled; |
| mWiFiAPState = kWiFiAPState_NotActive; |
| mWiFiStationReconnectInterval = System::Clock::Milliseconds32(CHIP_DEVICE_CONFIG_WIFI_STATION_RECONNECT_INTERVAL); |
| mWiFiAPIdleTimeout = System::Clock::Milliseconds32(CHIP_DEVICE_CONFIG_WIFI_AP_IDLE_TIMEOUT); |
| mFlags.SetRaw(0); |
| |
| // Ensure that P6 station mode is enabled. |
| err = Internal::P6Utils::EnableStationMode(); |
| SuccessOrExit(err); |
| // If the code has been compiled with a default WiFi station provision, configure that now. |
| if (CHIP_DEVICE_CONFIG_DEFAULT_STA_SSID[0] != 0) |
| { |
| ChipLogProgress(DeviceLayer, "Setting default WiFi station configuration (SSID: %s)", CHIP_DEVICE_CONFIG_DEFAULT_STA_SSID); |
| |
| // Set a default station configuration. |
| wifi_config_t wifiConfig; |
| memset(&wifiConfig, 0, sizeof(wifiConfig)); |
| memcpy(wifiConfig.sta.ssid, CHIP_DEVICE_CONFIG_DEFAULT_STA_SSID, |
| min(strlen(CHIP_DEVICE_CONFIG_DEFAULT_STA_SSID), sizeof(wifiConfig.sta.ssid))); |
| memcpy(wifiConfig.sta.password, CHIP_DEVICE_CONFIG_DEFAULT_STA_PASSWORD, |
| min(strlen(CHIP_DEVICE_CONFIG_DEFAULT_STA_PASSWORD), sizeof(wifiConfig.sta.password))); |
| wifiConfig.sta.security = CHIP_DEVICE_CONFIG_DEFAULT_STA_SECURITY; |
| err = Internal::P6Utils::p6_wifi_set_config(WIFI_IF_STA, &wifiConfig); |
| SuccessOrExit(err); |
| } |
| // Force AP mode off for now. |
| err = Internal::P6Utils::SetAPMode(false); |
| SuccessOrExit(err); |
| |
| // Queue work items to bootstrap the station state machines once the Chip event loop is running. |
| err = DeviceLayer::SystemLayer().ScheduleWork(DriveStationState, NULL); |
| SuccessOrExit(err); |
| |
| exit: |
| return err; |
| } |
| |
| void ConnectivityManagerImpl::_OnPlatformEvent(const ChipDeviceEvent * event) {} |
| |
| void ConnectivityManagerImpl::wlan_event_cb(cy_wcm_event_t event, cy_wcm_event_data_t * event_data) |
| { |
| switch (event) |
| { |
| case CY_WCM_EVENT_CONNECTING: |
| ChipLogProgress(DeviceLayer, "CY_WCM_EVENT_CONNECTING"); |
| ConnectivityMgrImpl().ChangeWiFiStationState(kWiFiStationState_Connecting); |
| break; |
| case CY_WCM_EVENT_CONNECTED: |
| ChipLogProgress(DeviceLayer, "CY_WCM_EVENT_CONNECTED"); |
| ConnectivityMgrImpl().ChangeWiFiStationState(kWiFiStationState_Connecting_Succeeded); |
| ConnectivityMgrImpl().DriveStationState(); |
| break; |
| case CY_WCM_EVENT_CONNECT_FAILED: |
| ChipLogProgress(DeviceLayer, "CY_WCM_EVENT_CONNECT_FAILED"); |
| ConnectivityMgrImpl().ChangeWiFiStationState(kWiFiStationState_Connecting_Failed); |
| ConnectivityMgrImpl().DriveStationState(); |
| break; |
| case CY_WCM_EVENT_RECONNECTED: |
| ChipLogProgress(DeviceLayer, "CY_WCM_EVENT_RECONNECTED"); |
| ConnectivityMgrImpl().ChangeWiFiStationState(kWiFiStationState_Connecting_Succeeded); |
| ConnectivityMgrImpl().DriveStationState(); |
| break; |
| case CY_WCM_EVENT_DISCONNECTED: |
| ChipLogProgress(DeviceLayer, "CY_WCM_EVENT_DISCONNECTED"); |
| ConnectivityMgrImpl().ChangeWiFiStationState(kWiFiStationState_Disconnecting); |
| break; |
| case CY_WCM_EVENT_IP_CHANGED: |
| ChipLogProgress(DeviceLayer, "CY_WCM_EVENT_IP_CHANGED"); |
| ConnectivityMgrImpl().OnIPAddressAvailable(); |
| break; |
| case CY_WCM_EVENT_STA_JOINED_SOFTAP: |
| ChipLogProgress(DeviceLayer, "CY_WCM_EVENT_STA_JOINED_SOFTAP"); |
| break; |
| case CY_WCM_EVENT_STA_LEFT_SOFTAP: |
| ChipLogProgress(DeviceLayer, "CY_WCM_EVENT_STA_LEFT_SOFTAP"); |
| break; |
| default: |
| ChipLogProgress(DeviceLayer, "UnSupported Event"); |
| break; |
| } |
| } |
| void ConnectivityManagerImpl::_OnWiFiScanDone() |
| { |
| DeviceLayer::SystemLayer().ScheduleWork(DriveStationState, NULL); |
| } |
| |
| void ConnectivityManagerImpl::_OnWiFiStationProvisionChange() |
| { |
| DeviceLayer::SystemLayer().ScheduleWork(DriveStationState, NULL); |
| } |
| |
| void ConnectivityManagerImpl::DriveStationState(::chip::System::Layer * aLayer, void * aAppState) |
| { |
| sInstance.DriveStationState(); |
| } |
| |
| void ConnectivityManagerImpl::DriveAPState(::chip::System::Layer * aLayer, void * aAppState) |
| { |
| sInstance.DriveAPState(); |
| } |
| |
| void ConnectivityManagerImpl::ChangeWiFiStationState(WiFiStationState newState) |
| { |
| if (mWiFiStationState != newState) |
| { |
| ChipLogProgress(DeviceLayer, "WiFi station state change: %s -> %s", WiFiStationStateToStr(mWiFiStationState), |
| WiFiStationStateToStr(newState)); |
| mWiFiStationState = newState; |
| } |
| } |
| |
| void ConnectivityManagerImpl::ChangeWiFiAPState(WiFiAPState newState) |
| { |
| if (mWiFiAPState != newState) |
| { |
| ChipLogProgress(DeviceLayer, "WiFi AP state change: %s -> %s", WiFiAPStateToStr(mWiFiAPState), WiFiAPStateToStr(newState)); |
| mWiFiAPState = newState; |
| } |
| } |
| |
| #define INITIALISER_IPV4_ADDRESS1(addr_var, addr_val) addr_var = { CY_WCM_IP_VER_V4, { .v4 = (uint32_t)(addr_val) } } |
| #define MAKE_IPV4_ADDRESS1(a, b, c, d) ((((uint32_t) d) << 24) | (((uint32_t) c) << 16) | (((uint32_t) b) << 8) | ((uint32_t) a)) |
| static const cy_wcm_ip_setting_t ap_mode_ip_settings = { |
| INITIALISER_IPV4_ADDRESS1(.ip_address, MAKE_IPV4_ADDRESS1(192, 168, 0, 2)), |
| INITIALISER_IPV4_ADDRESS1(.gateway, MAKE_IPV4_ADDRESS1(192, 168, 0, 2)), |
| INITIALISER_IPV4_ADDRESS1(.netmask, MAKE_IPV4_ADDRESS1(255, 255, 255, 0)), |
| }; |
| |
| CHIP_ERROR ConnectivityManagerImpl::ConfigureWiFiAP() |
| { |
| CHIP_ERROR err = CHIP_NO_ERROR; |
| wifi_config_t wifiConfig; |
| |
| memset(&wifiConfig.ap, 0, sizeof(wifi_config_ap_t)); |
| snprintf((char *) wifiConfig.ap.ssid, sizeof(wifiConfig.ap.ssid), "%s-%04X-%04X", CHIP_DEVICE_CONFIG_WIFI_AP_SSID_PREFIX, |
| CHIP_DEVICE_CONFIG_DEVICE_VENDOR_ID, CHIP_DEVICE_CONFIG_DEVICE_PRODUCT_ID); |
| memcpy(wifiConfig.ap.password, CHIP_DEVICE_CONFIG_WIFI_AP_PASSWORD, strlen(CHIP_DEVICE_CONFIG_WIFI_AP_PASSWORD)); |
| wifiConfig.ap.channel = CHIP_DEVICE_CONFIG_WIFI_AP_CHANNEL; |
| wifiConfig.ap.security = CHIP_DEVICE_CONFIG_WIFI_AP_SECURITY; |
| wifiConfig.ap.ip_settings.ip_address = ap_mode_ip_settings.ip_address; |
| wifiConfig.ap.ip_settings.netmask = ap_mode_ip_settings.netmask; |
| wifiConfig.ap.ip_settings.gateway = ap_mode_ip_settings.gateway; |
| |
| ChipLogProgress(DeviceLayer, "Configuring WiFi AP: SSID %s, channel %u", wifiConfig.ap.ssid, wifiConfig.ap.channel); |
| err = Internal::P6Utils::p6_wifi_set_config(WIFI_IF_AP, &wifiConfig); |
| SuccessOrExit(err); |
| |
| err = Internal::P6Utils::p6_start_ap(); |
| if (err != CHIP_NO_ERROR) |
| { |
| ChipLogError(DeviceLayer, "p6_start_ap failed: %s", chip::ErrorStr(err)); |
| } |
| |
| exit: |
| return err; |
| } |
| |
| void ConnectivityManagerImpl::DriveAPState() |
| { |
| CHIP_ERROR err = CHIP_NO_ERROR; |
| WiFiAPState targetState; |
| bool APModeEnabled; |
| |
| // Determine if AP mode is currently enabled in the P6 WiFi layer. |
| err = Internal::P6Utils::IsAPEnabled(APModeEnabled); |
| SuccessOrExit(err); |
| |
| // Adjust the Connectivity Manager's AP state to match the state in the WiFi layer. |
| if (APModeEnabled && (mWiFiAPState == kWiFiAPState_NotActive || mWiFiAPState == kWiFiAPState_Deactivating)) |
| { |
| ChangeWiFiAPState(kWiFiAPState_Activating); |
| } |
| if (!APModeEnabled && (mWiFiAPState == kWiFiAPState_Active || mWiFiAPState == kWiFiAPState_Activating)) |
| { |
| ChangeWiFiAPState(kWiFiAPState_Deactivating); |
| } |
| // If the AP interface is not under application control... |
| if (mWiFiAPMode != kWiFiAPMode_ApplicationControlled) |
| { |
| // Determine the target (desired) state for AP interface... |
| // The target state is 'NotActive' if the application has expressly disabled the AP interface. |
| if (mWiFiAPMode == kWiFiAPMode_Disabled) |
| { |
| targetState = kWiFiAPState_NotActive; |
| } |
| |
| // The target state is 'Active' if the application has expressly enabled the AP interface. |
| else if (mWiFiAPMode == kWiFiAPMode_Enabled) |
| { |
| targetState = kWiFiAPState_Active; |
| } |
| |
| // The target state is 'Active' if the AP mode is 'On demand, when no station is available' |
| // and the station interface is not provisioned or the application has disabled the station |
| // interface. |
| else if (mWiFiAPMode == kWiFiAPMode_OnDemand_NoStationProvision && |
| (!IsWiFiStationProvisioned() || GetWiFiStationMode() == kWiFiStationMode_Disabled)) |
| { |
| targetState = kWiFiAPState_Active; |
| } |
| |
| // The target state is 'Active' if the AP mode is one of the 'On demand' modes and there |
| // has been demand for the AP within the idle timeout period. |
| else if (mWiFiAPMode == kWiFiAPMode_OnDemand || mWiFiAPMode == kWiFiAPMode_OnDemand_NoStationProvision) |
| { |
| System::Clock::Timestamp now = System::SystemClock().GetMonotonicTimestamp(); |
| |
| if (mLastAPDemandTime != System::Clock::kZero && now < (mLastAPDemandTime + mWiFiAPIdleTimeout)) |
| { |
| targetState = kWiFiAPState_Active; |
| |
| // Compute the amount of idle time before the AP should be deactivated and |
| // arm a timer to fire at that time. |
| System::Clock::Timeout apTimeout = (mLastAPDemandTime + mWiFiAPIdleTimeout) - now; |
| err = DeviceLayer::SystemLayer().StartTimer(apTimeout, DriveAPState, nullptr); |
| SuccessOrExit(err); |
| ChipLogProgress(DeviceLayer, "Next WiFi AP timeout in %" PRIu32 " ms", |
| System::Clock::Milliseconds32(apTimeout).count()); |
| } |
| else |
| { |
| targetState = kWiFiAPState_NotActive; |
| } |
| } |
| |
| // Otherwise the target state is 'NotActive'. |
| else |
| { |
| targetState = kWiFiAPState_NotActive; |
| } |
| |
| // If the current AP state does not match the target state... |
| if (mWiFiAPState != targetState) |
| { |
| // If the target state is 'Active' and the current state is NOT 'Activating', enable |
| // and configure the AP interface, and then enter the 'Activating' state. Eventually |
| // a SYSTEM_EVENT_AP_START event will be received from the P6 WiFi layer which will |
| // cause the state to transition to 'Active'. |
| if (targetState == kWiFiAPState_Active) |
| { |
| if (mWiFiAPState != kWiFiAPState_Active) |
| { |
| err = Internal::P6Utils::SetAPMode(true); |
| SuccessOrExit(err); |
| err = ConfigureWiFiAP(); |
| SuccessOrExit(err); |
| ChangeWiFiAPState(kWiFiAPState_Active); |
| } |
| } |
| |
| // Otherwise, if the target state is 'NotActive' and the current state is not 'Deactivating', |
| // disable the AP interface and enter the 'Deactivating' state. Later a SYSTEM_EVENT_AP_STOP |
| // event will move the AP state to 'NotActive'. |
| else |
| { |
| if (mWiFiAPState != kWiFiAPState_Deactivating) |
| { |
| err = Internal::P6Utils::SetAPMode(false); |
| SuccessOrExit(err); |
| err = Internal::P6Utils::p6_stop_ap(); |
| SuccessOrExit(err); |
| ChangeWiFiAPState(kWiFiAPState_Deactivating); |
| } |
| } |
| } |
| } |
| |
| exit: |
| if (err != CHIP_NO_ERROR && mWiFiAPMode != kWiFiAPMode_ApplicationControlled) |
| { |
| SetWiFiAPMode(kWiFiAPMode_Disabled); |
| Internal::P6Utils::SetAPMode(false); |
| Internal::P6Utils::p6_stop_ap(); |
| } |
| } |
| |
| void ConnectivityManagerImpl::DriveStationState() |
| { |
| CHIP_ERROR err = CHIP_NO_ERROR; |
| bool stationConnected; |
| |
| // Refresh the current station mode by reading the configuration from storage. |
| GetWiFiStationMode(); |
| |
| // If the station interface is NOT under application control... |
| if (mWiFiStationMode != kWiFiStationMode_ApplicationControlled) |
| { |
| // Ensure that the P6 WiFi layer is started. |
| err = WiFi_init(); |
| SuccessOrExit(err); |
| |
| // Ensure that station mode is enabled in the P6 WiFi layer. |
| err = Internal::P6Utils::EnableStationMode(); |
| SuccessOrExit(err); |
| } |
| |
| // Determine if the P6 WiFi layer thinks the station interface is currently connected. |
| err = Internal::P6Utils::IsStationConnected(stationConnected); |
| SuccessOrExit(err); |
| // If the station interface is currently connected ... |
| if (stationConnected) |
| { |
| // Advance the station state to Connected if it was previously NotConnected or |
| // a previously initiated connect attempt succeeded. |
| if (mWiFiStationState == kWiFiStationState_NotConnected || mWiFiStationState == kWiFiStationState_Connecting_Succeeded) |
| { |
| ChangeWiFiStationState(kWiFiStationState_Connected); |
| ChipLogProgress(DeviceLayer, "WiFi station interface connected"); |
| mLastStationConnectFailTime = System::Clock::kZero; |
| } |
| |
| // If the WiFi station interface is no longer enabled, or no longer provisioned, |
| // disconnect the station from the AP, unless the WiFi station mode is currently |
| // under application control. |
| if (mWiFiStationMode != kWiFiStationMode_ApplicationControlled && |
| (mWiFiStationMode != kWiFiStationMode_Enabled || !IsWiFiStationProvisioned())) |
| { |
| ChipLogProgress(DeviceLayer, "Disconnecting WiFi station interface"); |
| err = Internal::P6Utils::p6_wifi_disconnect(); |
| if (err != CHIP_NO_ERROR) |
| { |
| ChipLogError(DeviceLayer, "p6_wifi_disconnect() failed: %s", chip::ErrorStr(err)); |
| } |
| SuccessOrExit(err); |
| |
| ChangeWiFiStationState(kWiFiStationState_Disconnecting); |
| } |
| } |
| // Otherwise the station interface is NOT connected to an AP, so... |
| else |
| { |
| System::Clock::Timestamp now = System::SystemClock().GetMonotonicTimestamp(); |
| |
| // Advance the station state to NotConnected if it was previously Connected or Disconnecting, |
| // or if a previous initiated connect attempt failed. |
| if (mWiFiStationState == kWiFiStationState_Connected || mWiFiStationState == kWiFiStationState_Disconnecting || |
| mWiFiStationState == kWiFiStationState_Connecting_Failed) |
| { |
| WiFiStationState prevState = mWiFiStationState; |
| ChangeWiFiStationState(kWiFiStationState_NotConnected); |
| if (prevState != kWiFiStationState_Connecting_Failed) |
| { |
| ChipLogProgress(DeviceLayer, "WiFi station interface disconnected"); |
| mLastStationConnectFailTime = System::Clock::kZero; |
| } |
| else |
| { |
| mLastStationConnectFailTime = now; |
| } |
| } |
| // If the WiFi station interface is now enabled and provisioned (and by implication, |
| // not presently under application control), AND the system is not in the process of |
| // scanning, then... |
| if (mWiFiStationMode == kWiFiStationMode_Enabled && IsWiFiStationProvisioned()) |
| { |
| // Initiate a connection to the AP if we haven't done so before, or if enough |
| // time has passed since the last attempt. |
| if (mLastStationConnectFailTime == System::Clock::kZero || |
| now >= mLastStationConnectFailTime + mWiFiStationReconnectInterval) |
| { |
| ChangeWiFiStationState(kWiFiStationState_Connecting); |
| ChipLogProgress(DeviceLayer, "Attempting to connect WiFi station interface"); |
| err = Internal::P6Utils::p6_wifi_connect(); |
| if (err != CHIP_NO_ERROR) |
| { |
| ChipLogError(DeviceLayer, "p6_wifi_connect() failed: %s", chip::ErrorStr(err)); |
| } |
| SuccessOrExit(err); |
| } |
| |
| // Otherwise arrange another connection attempt at a suitable point in the future. |
| else |
| { |
| System::Clock::Timeout timeToNextConnect = (mLastStationConnectFailTime + mWiFiStationReconnectInterval) - now; |
| ChipLogProgress(DeviceLayer, "Next WiFi station reconnect in %" PRIu32 " ms ", |
| System::Clock::Milliseconds32(timeToNextConnect).count()); |
| |
| err = DeviceLayer::SystemLayer().StartTimer(timeToNextConnect, DriveStationState, NULL); |
| SuccessOrExit(err); |
| } |
| } |
| } |
| |
| exit: |
| |
| ChipLogProgress(DeviceLayer, "Done driving station state, nothing else to do..."); |
| // Kick-off any pending network scan that might have been deferred due to the activity |
| // of the WiFi station. |
| } |
| |
| void ConnectivityManagerImpl::UpdateInternetConnectivityState(void) |
| { |
| bool haveIPv4Conn = false; |
| bool haveIPv6Conn = false; |
| const bool hadIPv4Conn = mFlags.Has(ConnectivityFlags::kHaveIPv4InternetConnectivity); |
| const bool hadIPv6Conn = mFlags.Has(ConnectivityFlags::kHaveIPv6InternetConnectivity); |
| struct netif * net_interface = NULL; |
| IPAddress addr; |
| bool stationConnected; |
| Internal::P6Utils::IsStationConnected(stationConnected); |
| |
| ChipLogProgress(DeviceLayer, "UpdateInternetConnectivityState"); |
| // If the WiFi station is currently in the connected state... |
| if ((mWiFiStationState == kWiFiStationState_Connected) || stationConnected) |
| { |
| net_interface = cy_lwip_get_interface(CY_LWIP_STA_NW_INTERFACE); |
| if (net_interface != NULL && netif_is_up(net_interface) && netif_is_link_up(net_interface)) |
| { |
| if (!ip4_addr_isany(netif_ip4_addr(net_interface)) && !ip4_addr_isany(netif_ip4_gw(net_interface))) |
| { |
| haveIPv4Conn = true; |
| ChipDeviceEvent event; |
| event.Type = DeviceEventType::kInterfaceIpAddressChanged; |
| event.InterfaceIpAddressChanged.Type = InterfaceIpChangeType::kIpV4_Assigned; |
| PlatformMgr().PostEventOrDie(&event); |
| ChipLogProgress(DeviceLayer, "IPv4 Address Assigned : %s", ip4addr_ntoa(netif_ip4_addr(net_interface))); |
| } |
| // Search among the IPv6 addresses assigned to the interface for a Global Unicast |
| // address (2000::/3) that is in the valid state. If such an address is found... |
| for (uint8_t i = 0; i < LWIP_IPV6_NUM_ADDRESSES; i++) |
| { |
| if (ip6_addr_islinklocal(netif_ip6_addr(net_interface, i)) && |
| ip6_addr_isvalid(netif_ip6_addr_state(net_interface, i))) |
| { |
| haveIPv6Conn = true; |
| ChipDeviceEvent event; |
| event.Type = DeviceEventType::kInterfaceIpAddressChanged; |
| event.InterfaceIpAddressChanged.Type = InterfaceIpChangeType::kIpV6_Assigned; |
| PlatformMgr().PostEventOrDie(&event); |
| ChipLogProgress(DeviceLayer, "IPv6 Address Assigned : %s", ip6addr_ntoa(netif_ip6_addr(net_interface, i))); |
| } |
| } |
| } |
| } |
| // If the internet connectivity state has changed... |
| if (haveIPv4Conn != hadIPv4Conn || haveIPv6Conn != hadIPv6Conn) |
| { |
| // Update the current state. |
| mFlags.Set(ConnectivityFlags::kHaveIPv4InternetConnectivity, haveIPv4Conn) |
| .Set(ConnectivityFlags::kHaveIPv6InternetConnectivity, haveIPv6Conn); |
| |
| // Alert other components of the state change. |
| ChipDeviceEvent event; |
| event.Type = DeviceEventType::kInternetConnectivityChange; |
| event.InternetConnectivityChange.IPv4 = GetConnectivityChange(hadIPv4Conn, haveIPv4Conn); |
| event.InternetConnectivityChange.IPv6 = GetConnectivityChange(hadIPv6Conn, haveIPv6Conn); |
| addr.ToString(event.InternetConnectivityChange.address); |
| PlatformMgr().PostEventOrDie(&event); |
| |
| if (haveIPv4Conn != hadIPv4Conn) |
| { |
| ChipLogProgress(DeviceLayer, "%s Internet connectivity %s", "IPv4", (haveIPv4Conn) ? "ESTABLISHED" : "LOST"); |
| } |
| |
| if (haveIPv6Conn != hadIPv6Conn) |
| { |
| ChipLogProgress(DeviceLayer, "%s Internet connectivity %s", "IPv6", (haveIPv6Conn) ? "ESTABLISHED" : "LOST"); |
| } |
| } |
| } |
| |
| CHIP_ERROR ConnectivityManagerImpl::OnIPAddressAvailable(void) |
| { |
| ChipLogProgress(DeviceLayer, "IP address available on WiFi station interface"); |
| UpdateInternetConnectivityState(); |
| return CHIP_NO_ERROR; |
| } |
| |
| CHIP_ERROR ConnectivityManagerImpl::WiFi_init(void) |
| { |
| CHIP_ERROR err = CHIP_NO_ERROR; |
| cy_rslt_t result = CY_RSLT_SUCCESS; |
| err = Internal::P6Utils::StartWiFiLayer(); |
| SuccessOrExit(err); |
| /* Register event callback */ |
| if (eventcallback == false) |
| { |
| result = cy_wcm_register_event_callback(ConnectivityManagerImpl::wlan_event_cb); |
| if (result != CY_RSLT_SUCCESS) |
| { |
| ChipLogError(DeviceLayer, "cy_wcm_register_event_callback failed....! \r\n"); |
| err = CHIP_ERROR_INTERNAL; |
| SuccessOrExit(err); |
| } |
| eventcallback = true; |
| } |
| exit: |
| return err; |
| } |
| |
| CHIP_ERROR ConnectivityManagerImpl::ping_thread() |
| { |
| CHIP_ERROR err = CHIP_NO_ERROR; |
| err = Internal::P6Utils::ping_init(); |
| return err; |
| } |
| |
| } // namespace DeviceLayer |
| } // namespace chip |
