/* * Copyright (C) 2022 Huawei Device Co., Ltd. * 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 "nfc_watch_dog.h" #include <chrono> #include "loghelper.h" #include "external_deps_proxy.h" namespace OHOS { namespace NFC { NfcWatchDog::NfcWatchDog(const std::string& threadName, int timeout, std::weak_ptr<NCI::INciNfccInterface> nfccProxy) : threadName_(threadName), timeout_(timeout), canceled_(false), thread_(nullptr), nciNfccProxy_(nfccProxy) { } NfcWatchDog::~NfcWatchDog() { if (thread_ && thread_->joinable()) { conditionVariable_.notify_one(); thread_->join(); } } void NfcWatchDog::MainLoop() { std::unique_lock<std::mutex> lock(mutex_); InfoLog("Watchdog [%{public}s] starts to run.", threadName_.c_str()); conditionVariable_.wait_for(lock, std::chrono::milliseconds(timeout_), [this] { return canceled_; }); if (canceled_) { return; } // If Routing Wake Lock is held, Routing Wake Lock release. Watchdog triggered, release lock before aborting. if (nciNfccProxy_.expired()) { return; } InfoLog("Watchdog triggered, aborting."); NfcFailedParams err; if (threadName_.compare("DoTurnOn") == 0) { ExternalDepsProxy::GetInstance().BuildFailedParams(err, MainErrorCode::NFC_OPEN_FAILED, SubErrorCode::PROCESS_ABORT); } else if (threadName_.compare("DoTurnOff") == 0) { ExternalDepsProxy::GetInstance().BuildFailedParams(err, MainErrorCode::NFC_CLOSE_FAILED, SubErrorCode::PROCESS_ABORT); } else if (threadName_.compare("nfcProcessEvent") == 0) { ExternalDepsProxy::GetInstance().BuildFailedParams( err, MainErrorCode::NFC_EVENTHANDLER_TIMEOUT, SubErrorCode::PROCESS_ABORT); } else { ExternalDepsProxy::GetInstance().BuildFailedParams(err, MainErrorCode::NFC_GENERAL_ERR, SubErrorCode::PROCESS_ABORT); } ExternalDepsProxy::GetInstance().WriteNfcFailedHiSysEvent(&err); nciNfccProxy_.lock()->Abort(); } void NfcWatchDog::Run() { thread_ = std::make_unique<std::thread>([this]() { this->MainLoop(); }); } void NfcWatchDog::Cancel() { std::unique_lock<std::mutex> lock(mutex_); canceled_ = true; conditionVariable_.notify_one(); } } // namespace NFC } // namespace OHOS