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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 #define LOG_TAG "LifeCycleManager"
16 
17 #include "lifecycle_manager.h"
18 
19 #include "log_print.h"
20 
21 namespace OHOS {
22 namespace UDMF {
23 using CleanAfterGet = LifeCyclePolicy;
24 std::unordered_map<std::string, std::shared_ptr<LifeCyclePolicy>> LifeCycleManager::intentionPolicy_ = {
25     { UD_INTENTION_MAP.at(UD_INTENTION_DRAG), std::make_shared<CleanAfterGet>() },
26     { UD_INTENTION_MAP.at(UD_INTENTION_DATA_HUB), std::make_shared<CleanAfterGet>() }
27 };
28 
GetInstance()29 LifeCycleManager &LifeCycleManager::GetInstance()
30 {
31     static LifeCycleManager instance;
32     return instance;
33 }
34 
OnGot(const UnifiedKey & key)35 Status LifeCycleManager::OnGot(const UnifiedKey &key)
36 {
37     auto findPolicy = intentionPolicy_.find(key.intention);
38     if (findPolicy == intentionPolicy_.end()) {
39         ZLOGE("Invalid intention:%{public}s", key.intention.c_str());
40         return E_INVALID_PARAMETERS;
41     }
42     auto policy = findPolicy->second;
43     ExecutorPool::TaskId taskId = executors_->Execute([=] {
44         policy->OnGot(key);
45     });
46     if (taskId == ExecutorPool::INVALID_TASK_ID) {
47         ZLOGE("Task execution failed");
48         return E_ERROR;
49     }
50     return E_OK;
51 }
52 
OnStart()53 Status LifeCycleManager::OnStart()
54 {
55     Status status = E_OK;
56     std::string errorInfo;
57     for (auto &[intention, lifeCyclePolicy] : intentionPolicy_) {
58         if (lifeCyclePolicy == nullptr) {
59             continue;
60         }
61         Status delStatus = lifeCyclePolicy->OnStart(intention);
62         if (delStatus != E_OK) {
63             status = delStatus;
64             errorInfo += intention + " ";
65         }
66     }
67     if (status != E_OK) {
68         ZLOGW("fail, status = %{public}d, intention = [%{public}s].", status, errorInfo.c_str());
69     }
70     return status;
71 }
72 
StartLifeCycleTimer()73 Status LifeCycleManager::StartLifeCycleTimer()
74 {
75     if (executors_ == nullptr) {
76         ZLOGE("Executors_ is nullptr.");
77         return E_ERROR;
78     }
79     ExecutorPool::TaskId taskId = executors_->Schedule(GetTask(), LifeCyclePolicy::INTERVAL);
80     if (taskId == ExecutorPool::INVALID_TASK_ID) {
81         ZLOGE("ExecutorPool Schedule failed.");
82         return E_ERROR;
83     }
84     ZLOGI("ScheduleTask start, TaskId: %{public}" PRIu64 ".", taskId);
85     return E_OK;
86 }
87 
GetTask()88 ExecutorPool::Task LifeCycleManager::GetTask()
89 {
90     return [this] {
91         Status status = E_OK;
92         std::string errorInfo;
93         for (auto &[intention, lifeCyclePolicy] : intentionPolicy_) {
94             if (lifeCyclePolicy == nullptr) {
95                 continue;
96             }
97             Status delStatus = lifeCyclePolicy->OnTimeout(intention);
98             if (delStatus != E_OK) {
99                 status = delStatus;
100                 errorInfo += intention + " ";
101             }
102         }
103         if (status != E_OK) {
104             ZLOGW("fail, status = %{public}d, intention = [%{public}s].", status, errorInfo.c_str());
105         }
106         return status;
107     };
108 }
109 
SetThreadPool(std::shared_ptr<ExecutorPool> executors)110 void LifeCycleManager::SetThreadPool(std::shared_ptr<ExecutorPool> executors)
111 {
112     executors_ = executors;
113 }
114 } // namespace UDMF
115 } // namespace OHOS
116