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 #include "nfc_watch_dog.h"
16 #include <chrono>
17 #include "loghelper.h"
18 #include "external_deps_proxy.h"
19
20 namespace OHOS {
21 namespace NFC {
NfcWatchDog(const std::string & threadName,int timeout,std::weak_ptr<NCI::INciNfccInterface> nfccProxy)22 NfcWatchDog::NfcWatchDog(const std::string& threadName, int timeout, std::weak_ptr<NCI::INciNfccInterface> nfccProxy)
23 : threadName_(threadName), timeout_(timeout), canceled_(false), thread_(nullptr), nciNfccProxy_(nfccProxy)
24 {
25 }
26
~NfcWatchDog()27 NfcWatchDog::~NfcWatchDog()
28 {
29 if (thread_ && thread_->joinable()) {
30 conditionVariable_.notify_one();
31 thread_->join();
32 }
33 }
34
MainLoop()35 void NfcWatchDog::MainLoop()
36 {
37 std::unique_lock<std::mutex> lock(mutex_);
38 InfoLog("Watchdog [%{public}s] starts to run.", threadName_.c_str());
39 conditionVariable_.wait_for(lock, std::chrono::milliseconds(timeout_), [this] { return canceled_; });
40 if (canceled_) {
41 return;
42 }
43 // If Routing Wake Lock is held, Routing Wake Lock release. Watchdog triggered, release lock before aborting.
44 if (nciNfccProxy_.expired()) {
45 return;
46 }
47 InfoLog("Watchdog triggered, aborting.");
48 NfcFailedParams err;
49 if (threadName_.compare("DoTurnOn") == 0) {
50 ExternalDepsProxy::GetInstance().BuildFailedParams(err, MainErrorCode::NFC_OPEN_FAILED,
51 SubErrorCode::PROCESS_ABORT);
52 } else if (threadName_.compare("DoTurnOff") == 0) {
53 ExternalDepsProxy::GetInstance().BuildFailedParams(err, MainErrorCode::NFC_CLOSE_FAILED,
54 SubErrorCode::PROCESS_ABORT);
55 } else if (threadName_.compare("nfcProcessEvent") == 0) {
56 ExternalDepsProxy::GetInstance().BuildFailedParams(
57 err, MainErrorCode::NFC_EVENTHANDLER_TIMEOUT, SubErrorCode::PROCESS_ABORT);
58 } else {
59 ExternalDepsProxy::GetInstance().BuildFailedParams(err, MainErrorCode::NFC_GENERAL_ERR,
60 SubErrorCode::PROCESS_ABORT);
61 }
62 ExternalDepsProxy::GetInstance().WriteNfcFailedHiSysEvent(&err);
63 nciNfccProxy_.lock()->Abort();
64 }
65
Run()66 void NfcWatchDog::Run()
67 {
68 thread_ = std::make_unique<std::thread>([this]() { this->MainLoop(); });
69 }
70
Cancel()71 void NfcWatchDog::Cancel()
72 {
73 std::unique_lock<std::mutex> lock(mutex_);
74 canceled_ = true;
75 conditionVariable_.notify_one();
76 }
77 } // namespace NFC
78 } // namespace OHOS
79