1 /*
2  * Copyright (c) 2023 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 
16 #include "updater/hwfault_retry.h"
17 #include <unistd.h>
18 #include "init_reboot.h"
19 #include "log/log.h"
20 #include "misc_info/misc_info.h"
21 #include "updater/updater.h"
22 #include "updater/updater_const.h"
23 #include "utils.h"
24 #include "securec.h"
25 
26 namespace Updater {
GetInstance()27 HwFaultRetry &HwFaultRetry::GetInstance()
28 {
29     static HwFaultRetry instance;
30     return instance;
31 }
32 
HwFaultRetry()33 HwFaultRetry::HwFaultRetry()
34 {
35     RetryFunc rebootFunc = [this]() {
36                                 return this->RebootRetry();
37                             };
38     RegisterFunc(VERIFY_FAILED_REBOOT, rebootFunc);
39     RegisterFunc(IO_FAILED_REBOOT, rebootFunc);
40 }
41 
RegisterFunc(const std::string & faultInfo,RetryFunc func)42 void HwFaultRetry::RegisterFunc(const std::string &faultInfo, RetryFunc func)
43 {
44     if (!retryMap_.emplace(faultInfo, func).second) {
45         LOG(ERROR) << "emplace: " << faultInfo.c_str() << " fail";
46     }
47 }
48 
DoRetryAction()49 void HwFaultRetry::DoRetryAction()
50 {
51     auto it = retryMap_.find(faultInfo_);
52     if (it == retryMap_.end() || it->second == nullptr) {
53         LOG(ERROR) << "GetRepair func for: " << faultInfo_.c_str() << " fail";
54         return;
55     }
56     return (it->second)();
57 }
58 
SetFaultInfo(const std::string & faultInfo)59 void HwFaultRetry::SetFaultInfo(const std::string &faultInfo)
60 {
61     faultInfo_ = faultInfo;
62 }
63 
SetRetryCount(const uint32_t count)64 void HwFaultRetry::SetRetryCount(const uint32_t count)
65 {
66     retryCount_ = count;
67 }
68 
RebootRetry()69 void HwFaultRetry::RebootRetry()
70 {
71     if (retryCount_ >= MAX_RETRY_COUNT) {
72         LOG(INFO) << "retry more than 3 times, no need retry";
73         return;
74     }
75 
76     Utils::AddUpdateInfoToMisc("retry_count", retryCount_ + 1);
77     Utils::SetFaultInfoToMisc(faultInfo_);
78 
79     PostUpdater(false);
80     sync();
81 #ifndef UPDATER_UT
82     DoReboot("updater");
83     while (true) {
84         pause();
85     }
86 #endif
87 }
88 } // Updater
89