1 /*
2  * Copyright (C) 2022 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 #ifndef NFC_WATCH_DOG_H
16 #define NFC_WATCH_DOG_H
17 #include <condition_variable>
18 #include <mutex>
19 #include <string>
20 #include <thread>
21 #include "inci_nfcc_interface.h"
22 
23 namespace OHOS {
24 namespace NFC {
25 class NfcWatchDog final {
26 public:
27     NfcWatchDog(const std::string& threadName, int timeout, std::weak_ptr<NCI::INciNfccInterface> nfccProxy);
28     ~NfcWatchDog();
29     void Cancel();
30     void Run();
31 
32 private:
33     void MainLoop();
34 
35 private:
36     std::mutex mutex_ {};
37     std::condition_variable conditionVariable_ {};
38     std::string threadName_ {""};
39     int timeout_ {0};
40     volatile bool canceled_ {false};
41     std::unique_ptr<std::thread> thread_ {};
42 
43     std::weak_ptr<NCI::INciNfccInterface> nciNfccProxy_;
44 };
45 }  // namespace NFC
46 }  // namespace OHOS
47 #endif  // NFC_WATCH_DOG_H
48