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 #include "appfreeze_inner.h"
16
17 #include <sys/time.h>
18
19 #include "ability_manager_client.h"
20 #include "ability_state.h"
21 #include "app_recovery.h"
22 #include "hilog_wrapper.h"
23 #include "hisysevent.h"
24 #include "mix_stack_dumper.h"
25 #include "parameter.h"
26 #include "xcollie/watchdog.h"
27
28 namespace OHOS {
29 namespace AppExecFwk {
30 namespace {
31 constexpr char EVENT_UID[] = "UID";
32 constexpr char EVENT_PID[] = "PID";
33 constexpr char EVENT_MESSAGE[] = "MSG";
34 constexpr char EVENT_PACKAGE_NAME[] = "PACKAGE_NAME";
35 constexpr char EVENT_PROCESS_NAME[] = "PROCESS_NAME";
36 constexpr char EVENT_STACK[] = "STACK";
37 }
38 std::weak_ptr<EventHandler> AppfreezeInner::appMainHandler_;
39 std::shared_ptr<AppfreezeInner> AppfreezeInner::instance_ = nullptr;
40 std::mutex AppfreezeInner::singletonMutex_;
41
AppfreezeInner()42 AppfreezeInner::AppfreezeInner()
43 {}
44
~AppfreezeInner()45 AppfreezeInner::~AppfreezeInner()
46 {}
47
SetMainHandler(const std::shared_ptr<EventHandler> & eventHandler)48 void AppfreezeInner::SetMainHandler(const std::shared_ptr<EventHandler>& eventHandler)
49 {
50 appMainHandler_ = eventHandler;
51 }
52
SetApplicationInfo(const std::shared_ptr<ApplicationInfo> & applicationInfo)53 void AppfreezeInner::SetApplicationInfo(const std::shared_ptr<ApplicationInfo>& applicationInfo)
54 {
55 applicationInfo_ = applicationInfo;
56 }
57
GetInstance()58 std::shared_ptr<AppfreezeInner> AppfreezeInner::GetInstance()
59 {
60 if (instance_ == nullptr) {
61 std::lock_guard<std::mutex> lock(singletonMutex_);
62 if (instance_ == nullptr) {
63 instance_ = std::make_shared<AppfreezeInner>();
64 }
65 }
66 return instance_;
67 }
68
DestroyInstance()69 void AppfreezeInner::DestroyInstance()
70 {
71 std::lock_guard<std::mutex> lock(singletonMutex_);
72 if (instance_ != nullptr) {
73 instance_.reset();
74 instance_ = nullptr;
75 }
76 }
77
IsHandleAppfreeze()78 bool AppfreezeInner::IsHandleAppfreeze()
79 {
80 auto applicationInfo = applicationInfo_.lock();
81 if (applicationInfo == nullptr) {
82 HILOG_ERROR("applicationInfo_ is nullptr.");
83 return false;
84 }
85
86 const int buffSize = 128;
87 char paramOutBuff[buffSize] = {0};
88 GetParameter("hiviewdfx.appfreeze.filter_bundle_name", "", paramOutBuff, buffSize - 1);
89
90 std::string str(paramOutBuff);
91 std::string& bundleName = applicationInfo->bundleName;
92 if (bundleName.empty()) {
93 return true;
94 }
95 if (str.find(bundleName) != std::string::npos) {
96 HILOG_WARN("appfreeze filtration %{public}s.", bundleName.c_str());
97 return false;
98 }
99 return true;
100 }
101
AppfreezeHandle(const FaultData & faultData,bool onlyMainThread)102 int AppfreezeInner::AppfreezeHandle(const FaultData& faultData, bool onlyMainThread)
103 {
104 if (!IsHandleAppfreeze()) {
105 NotifyANR(faultData);
106 return -1;
107 }
108 auto reportFreeze = [faultData, onlyMainThread]() {
109 if (faultData.errorObject.name == "") {
110 HILOG_ERROR("name is nullptr, AppfreezeHandle failed.");
111 return;
112 }
113 AppExecFwk::AppfreezeInner::GetInstance()->AcquireStack(faultData, onlyMainThread);
114 };
115
116 OHOS::HiviewDFX::Watchdog::GetInstance().RunOneShotTask("reportAppFreeze", reportFreeze);
117 return 0;
118 }
119
IsExitApp(const std::string & name)120 bool AppfreezeInner::IsExitApp(const std::string& name)
121 {
122 if (name == AppFreezeType::THREAD_BLOCK_6S) {
123 return true;
124 }
125
126 if (name == AppFreezeType::APP_INPUT_BLOCK) {
127 return true;
128 }
129 return false;
130 }
131
AcquireStack(const FaultData & faultInfo,bool onlyMainThread)132 int AppfreezeInner::AcquireStack(const FaultData& faultInfo, bool onlyMainThread)
133 {
134 HILOG_DEBUG("Start dump mixstack.");
135 std::string stack = MixStackDumper::GetMixStack(onlyMainThread);
136
137 HILOG_DEBUG("Start dump MainHandler message.");
138 std::string msgContent = faultInfo.errorObject.message + "\n";
139
140 auto mainHandler = appMainHandler_.lock();
141 if (mainHandler == nullptr) {
142 msgContent += "mainHandler is destructed!";
143 } else {
144 MainHandlerDumper handlerDumper;
145 msgContent += "mainHandler dump is:\n";
146 mainHandler->Dump(handlerDumper);
147 msgContent += handlerDumper.GetDumpInfo();
148 }
149
150 HILOG_DEBUG("end dump message is %{public}s", msgContent.c_str());
151
152 FaultData faultData;
153 faultData.errorObject.message = msgContent;
154 faultData.errorObject.stack = stack;
155 faultData.errorObject.name = faultInfo.errorObject.name;
156 faultData.faultType = FaultDataType::APP_FREEZE;
157 faultData.timeoutMarkers = faultInfo.timeoutMarkers;
158 faultData.notifyApp = false;
159 faultData.waitSaveState = false;
160 faultData.forceExit = false;
161 bool isExit = IsExitApp(faultInfo.errorObject.name);
162 if (isExit) {
163 faultData.forceExit = true;
164 faultData.waitSaveState = AppRecovery::GetInstance().IsEnabled();
165 }
166 int ret = NotifyANR(faultData);
167 if (isExit) {
168 AppFreezeRecovery();
169 }
170 HILOG_DEBUG("End notify appfreeze");
171 return ret;
172 }
173
ThreadBlock(std::atomic_bool & isSixSecondEvent)174 void AppfreezeInner::ThreadBlock(std::atomic_bool& isSixSecondEvent)
175 {
176 FaultData faultData;
177 faultData.errorObject.message = "App main thread is not response!";
178 faultData.faultType = FaultDataType::APP_FREEZE;
179 faultData.timeoutMarkers = "";
180 bool onlyMainThread = false;
181
182 if (isSixSecondEvent) {
183 faultData.errorObject.name = AppFreezeType::THREAD_BLOCK_6S;
184 onlyMainThread = true;
185 } else {
186 faultData.errorObject.name = AppFreezeType::THREAD_BLOCK_3S;
187 isSixSecondEvent.store(true);
188 }
189
190 AppfreezeHandle(faultData, onlyMainThread);
191 }
192
NotifyANR(const FaultData & faultData)193 int AppfreezeInner::NotifyANR(const FaultData& faultData)
194 {
195 auto applicationInfo = applicationInfo_.lock();
196 if (applicationInfo == nullptr) {
197 HILOG_ERROR("reportEvent fail, applicationInfo_ is nullptr.");
198 return -1;
199 }
200
201 int32_t pid = static_cast<int32_t>(getpid());
202 HILOG_INFO("reportEvent:%{public}s, pid:%{public}d, bundleName:%{public}s. success",
203 faultData.errorObject.name.c_str(), pid, applicationInfo->bundleName.c_str());
204
205 // move this call before force stop app ? such as merge to NotifyAppFault ?
206 DelayedSingleton<AbilityManagerClient>::GetInstance()->RecordAppExitReason(REASON_APP_FREEZE);
207 int ret = DelayedSingleton<AppExecFwk::AppMgrClient>::GetInstance()->NotifyAppFault(faultData);
208 if (ret != 0) {
209 HiSysEventWrite(OHOS::HiviewDFX::HiSysEvent::Domain::AAFWK, faultData.errorObject.name,
210 OHOS::HiviewDFX::HiSysEvent::EventType::FAULT, EVENT_UID, applicationInfo->uid,
211 EVENT_PID, pid, EVENT_PACKAGE_NAME, applicationInfo->bundleName,
212 EVENT_PROCESS_NAME, applicationInfo->process, EVENT_MESSAGE,
213 faultData.errorObject.message, EVENT_STACK, faultData.errorObject.stack);
214 }
215 return ret;
216 }
217
AppFreezeRecovery()218 void AppfreezeInner::AppFreezeRecovery()
219 {
220 AppRecovery::GetInstance().ScheduleSaveAppState(StateReason::APP_FREEZE);
221 AppRecovery::GetInstance().ScheduleRecoverApp(StateReason::APP_FREEZE);
222 }
223
Dump(const std::string & message)224 void MainHandlerDumper::Dump(const std::string &message)
225 {
226 dumpInfo += message;
227 }
228
GetTag()229 std::string MainHandlerDumper::GetTag()
230 {
231 return "";
232 }
233
GetDumpInfo()234 std::string MainHandlerDumper::GetDumpInfo()
235 {
236 return dumpInfo;
237 }
238 } // namespace AAFwk
239 } // namespace OHOS