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
16 #include "watchdog.h"
17
18 #include "iservice_registry.h"
19 #include "system_ability_definition.h"
20
21 #include "background_task_mgr_service.h"
22 #include "hisysevent.h"
23 #include "transient_task_log.h"
24
25 using namespace std;
26
27 namespace OHOS {
28 namespace BackgroundTaskMgr {
29
Watchdog(const wptr<BackgroundTaskMgrService> & service,const std::shared_ptr<DecisionMaker> & decision,const std::shared_ptr<AppExecFwk::EventRunner> & runner)30 Watchdog::Watchdog(const wptr<BackgroundTaskMgrService>& service, const std::shared_ptr<DecisionMaker>& decision,
31 const std::shared_ptr<AppExecFwk::EventRunner>& runner) : service_(service), decision_(decision)
32 {
33 if (runner != nullptr) {
34 SetEventRunner(runner);
35 }
36 }
37
AddWatchdog(int32_t requestId,const std::shared_ptr<KeyInfo> & info,int32_t interval)38 bool Watchdog::AddWatchdog(int32_t requestId, const std::shared_ptr<KeyInfo>& info, int32_t interval)
39 {
40 BGTASK_LOGD("AddWatchdog %{public}d", requestId);
41 return SendEvent(requestId, info, interval);
42 }
43
RemoveWatchdog(int32_t requestId)44 void Watchdog::RemoveWatchdog(int32_t requestId)
45 {
46 BGTASK_LOGD("RemoveWatchdog %{public}d", requestId);
47 RemoveEvent(requestId);
48 }
49
ProcessEvent(const AppExecFwk::InnerEvent::Pointer & event)50 void Watchdog::ProcessEvent(const AppExecFwk::InnerEvent::Pointer& event)
51 {
52 if (event == nullptr) {
53 return;
54 }
55 int32_t requestId = event->GetInnerEventId();
56 const shared_ptr<KeyInfo>& info = event->GetSharedObject<KeyInfo>();
57 if (info == nullptr) {
58 return;
59 }
60 auto bgTask = service_.promote();
61 if (bgTask == nullptr) {
62 BGTASK_LOGE("fail to get bgTask service.");
63 return;
64 }
65 BGTASK_LOGI("handle watchdog, force cancel requestId: %{public}d", requestId);
66 bgTask->ForceCancelSuspendDelay(requestId);
67 }
68
KillApplicationByUid(const std::string & bundleName,const int32_t uid,const int32_t pid)69 bool Watchdog::KillApplicationByUid(const std::string &bundleName, const int32_t uid, const int32_t pid)
70 {
71 BGTASK_LOGW("kill running application, app name is %{public}s, uid is %{public}d, pid is %{public}d",
72 bundleName.c_str(), uid, pid);
73 if (appMgrClient_ == nullptr) {
74 appMgrClient_ = std::make_unique<AppExecFwk::AppMgrClient>();
75 if (appMgrClient_ == nullptr) {
76 BGTASK_LOGE("failed to get appMgrClient");
77 return false;
78 }
79 int32_t result = static_cast<int32_t>(appMgrClient_->ConnectAppMgrService());
80 if (result != ERR_OK) {
81 BGTASK_LOGE("failed to ConnectAppMgrService");
82 return false;
83 }
84 }
85 int32_t ret = (int32_t)appMgrClient_->KillApplicationByUid(bundleName, uid);
86 if (ret != ERR_OK) {
87 BGTASK_LOGE("Fail to kill application by uid.");
88 return false;
89 }
90 HiSysEventWrite(HiviewDFX::HiSysEvent::Domain::FRAMEWORK,
91 "PROCESS_KILL", HiviewDFX::HiSysEvent::EventType::FAULT,
92 "PID", pid,
93 "PROCESS_NAME", bundleName,
94 "MSG", "TRANSIENT_TASK_TIMEOUT",
95 "FOREGROUND", false);
96 return true;
97 }
98 } // namespace BackgroundTaskMgr
99 } // namespace OHOS