| /* |
| * |
| * Copyright (c) 2020-2021 Project CHIP Authors |
| * Copyright (c) 2019 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. |
| */ |
| |
| /** |
| * @file |
| * Provides an generic implementation of ConnectivityManager features |
| * for use on platforms that support Thread. |
| */ |
| |
| #ifndef GENERIC_CONNECTIVITY_MANAGER_IMPL_THREAD_CPP |
| #define GENERIC_CONNECTIVITY_MANAGER_IMPL_THREAD_CPP |
| |
| #include <lib/support/CodeUtils.h> |
| #include <platform/internal/CHIPDeviceLayerInternal.h> |
| #include <platform/internal/GenericConnectivityManagerImpl_Thread.h> |
| |
| namespace chip { |
| namespace DeviceLayer { |
| namespace Internal { |
| |
| template <class ImplClass> |
| void GenericConnectivityManagerImpl_Thread<ImplClass>::_OnPlatformEvent(const ChipDeviceEvent * event) |
| { |
| // Define some short-hands for various interesting event conditions. |
| const bool threadConnChanged = (event->Type == DeviceEventType::kThreadConnectivityChange && |
| event->ThreadConnectivityChange.Result != kConnectivity_NoChange); |
| const bool threadAddrChanged = (event->Type == DeviceEventType::kThreadStateChange && event->ThreadStateChange.AddressChanged); |
| const bool threadNetDataChanged = |
| (event->Type == DeviceEventType::kThreadStateChange && event->ThreadStateChange.NetDataChanged); |
| |
| if (threadConnChanged && event->ThreadConnectivityChange.Result == kConnectivity_Established) |
| { |
| ThreadStackMgrImpl().OnThreadAttachFinished(); |
| } |
| |
| // If any of the above events has occurred, assess whether there's been a change in |
| // service connectivity via Thread. |
| if (threadConnChanged || threadAddrChanged || threadNetDataChanged) |
| { |
| UpdateServiceConnectivity(); |
| } |
| } |
| |
| template <class ImplClass> |
| void GenericConnectivityManagerImpl_Thread<ImplClass>::UpdateServiceConnectivity() |
| { |
| constexpr bool haveServiceConnectivity = false; |
| |
| // If service connectivity via Thread has changed, post an event signaling the change. |
| if (mFlags.Has(Flags::kHaveServiceConnectivity) != haveServiceConnectivity) |
| { |
| ChipLogProgress(DeviceLayer, "ConnectivityManager: Service connectivity via Thread %s", |
| (haveServiceConnectivity) ? "ESTABLISHED" : "LOST"); |
| |
| mFlags.Set(Flags::kHaveServiceConnectivity, haveServiceConnectivity); |
| |
| { |
| ChipDeviceEvent event; |
| event.Clear(); |
| event.Type = DeviceEventType::kServiceConnectivityChange; |
| event.ServiceConnectivityChange.ViaThread.Result = |
| (haveServiceConnectivity) ? kConnectivity_Established : kConnectivity_Lost; |
| event.ServiceConnectivityChange.Overall.Result = event.ServiceConnectivityChange.ViaThread.Result; |
| CHIP_ERROR status = PlatformMgr().PostEvent(&event); |
| if (status != CHIP_NO_ERROR) |
| { |
| ChipLogError(DeviceLayer, "Failed to post thread connectivity change: %" CHIP_ERROR_FORMAT, status.Format()); |
| } |
| } |
| } |
| } |
| |
| } // namespace Internal |
| } // namespace DeviceLayer |
| } // namespace chip |
| |
| #endif // GENERIC_CONNECTIVITY_MANAGER_IMPL_THREAD_CPP |