1 /*
2 * Copyright (c) 2021 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 "task_dispatcher_context.h"
16 #include "app_log_wrapper.h"
17
18 namespace OHOS {
19 namespace AppExecFwk {
20
TaskDispatcherContext()21 TaskDispatcherContext::TaskDispatcherContext()
22 {
23 globalDispatchers_.resize(PRIORITY_COUNT);
24 config_ = std::make_shared<DefaultWorkerPoolConfig>();
25 if (config_ == nullptr) {
26 APP_LOGE("TaskDispatcherContext::TaskDispatcherContext config is nullptr");
27 executor_ = nullptr;
28 } else {
29 executor_ = std::make_shared<TaskExecutor>(config_);
30 if (executor_ != nullptr) {
31 executor_->CreateGuardThread();
32 }
33 }
34 }
TaskDispatcherContext(const std::shared_ptr<TaskExecutor> & executor)35 TaskDispatcherContext::TaskDispatcherContext(const std::shared_ptr<TaskExecutor> &executor)
36 {
37 globalDispatchers_.resize(PRIORITY_COUNT);
38 config_ = std::make_shared<DefaultWorkerPoolConfig>();
39 executor_ = executor;
40 }
41
~TaskDispatcherContext()42 TaskDispatcherContext::~TaskDispatcherContext()
43 {
44 if (executor_) {
45 APP_LOGI("TaskDispatcherContext::~TaskDispatcherContext() terminate");
46 executor_->Terminate(false);
47 }
48 APP_LOGI("TaskDispatcherContext::~TaskDispatcherContext end");
49 }
50
GetWorkerPoolConfig() const51 std::shared_ptr<WorkerPoolConfig> TaskDispatcherContext::GetWorkerPoolConfig() const
52 {
53 return config_;
54 }
55
GetWorkerThreadsInfo() const56 std::map<std::string, long> TaskDispatcherContext::GetWorkerThreadsInfo() const
57 {
58 APP_LOGI("TaskDispatcherContext::GetWorkerThreadsInfo called");
59 if (executor_ != nullptr) {
60 return executor_->GetWorkerThreadsInfo();
61 }
62 std::map<std::string, long> map;
63 APP_LOGE("TaskDispatcherContext::GetWorkerThreadsInfo executor is nullptr");
64 return map;
65 }
66
GetSerialDispatchers() const67 std::map<std::shared_ptr<SerialTaskDispatcher>, std::string> TaskDispatcherContext::GetSerialDispatchers() const
68 {
69 APP_LOGI("TaskDispatcherContext::GetSerialDispatchers called");
70 return serialDispatchers_;
71 }
72
GetWaitingTasksCount() const73 int TaskDispatcherContext::GetWaitingTasksCount() const
74 {
75 APP_LOGI("TaskDispatcherContext::GetWaitingTasksCount called");
76 if (executor_ != nullptr) {
77 return executor_->GetPendingTasksSize();
78 }
79 APP_LOGE("TaskDispatcherContext::GetWaitingTasksCount executor is nullptr");
80 return 0;
81 }
82
GetTaskCounter() const83 long TaskDispatcherContext::GetTaskCounter() const
84 {
85 APP_LOGI("TaskDispatcherContext::GetTaskCounter called");
86 if (executor_ != nullptr) {
87 return executor_->GetTaskCounter();
88 }
89 APP_LOGE("TaskDispatcherContext::GetTaskCounter executor is nullptr");
90 return 0;
91 }
92
CreateSerialDispatcher(const std::string & name,TaskPriority priority)93 std::shared_ptr<SerialTaskDispatcher> TaskDispatcherContext::CreateSerialDispatcher(
94 const std::string &name, TaskPriority priority)
95 {
96 APP_LOGI("TaskDispatcherContext::CreateSerialDispatcher start");
97 if (executor_ == nullptr) {
98 APP_LOGE("TaskDispatcherContext::CreateSerialDispatcher executor is nullptr");
99 return nullptr;
100 }
101 std::shared_ptr<SerialTaskDispatcher> serialDispatcher =
102 std::make_shared<SerialTaskDispatcher>(name, priority, executor_);
103 serialDispatchers_.insert(std::pair<std::shared_ptr<SerialTaskDispatcher>, std::string>(serialDispatcher, name));
104 APP_LOGI("TaskDispatcherContext::CreateSerialDispatcher end");
105 return serialDispatcher;
106 }
107
CreateParallelDispatcher(const std::string & name,TaskPriority priority)108 std::shared_ptr<ParallelTaskDispatcher> TaskDispatcherContext::CreateParallelDispatcher(
109 const std::string &name, TaskPriority priority)
110 {
111 APP_LOGI("TaskDispatcherContext::CreateParallelDispatcher start");
112 if (executor_ == nullptr) {
113 APP_LOGE("TaskDispatcherContext::CreateParallelDispatcher executor is nullptr");
114 return nullptr;
115 }
116 std::shared_ptr<ParallelTaskDispatcher> parallelTaskDispatcher =
117 std::make_shared<ParallelTaskDispatcher>(name, priority, executor_);
118 APP_LOGI("TaskDispatcherContext::CreateParallelDispatcher end");
119 return parallelTaskDispatcher;
120 }
121
MapPriorityIndex(TaskPriority priority) const122 int TaskDispatcherContext::MapPriorityIndex(TaskPriority priority) const
123 {
124 switch (priority) {
125 case TaskPriority::HIGH:
126 return HIGH_PRIORITY_INDEX;
127 case TaskPriority::DEFAULT:
128 return DEFAULT_PRIORITY_INDEX;
129 case TaskPriority::LOW:
130 return LOW_PRIORITY_INDEX;
131 default:
132 return DEFAULT_PRIORITY_INDEX;
133 }
134 APP_LOGE("TaskDispatcherContext.mapPriorityIndex unhandled priority=%{public}d", priority);
135
136 return DEFAULT_PRIORITY_INDEX;
137 }
138
GetGlobalTaskDispatcher(TaskPriority priority)139 std::shared_ptr<TaskDispatcher> TaskDispatcherContext::GetGlobalTaskDispatcher(TaskPriority priority)
140 {
141 APP_LOGI("TaskDispatcherContext::GetGlobalTaskDispatcher start");
142 std::unique_lock<std::mutex> lock(mtx_);
143 int index = MapPriorityIndex(priority);
144 std::shared_ptr<TaskDispatcher> dispatcher = globalDispatchers_[index];
145 if (dispatcher == nullptr) {
146 APP_LOGI("TaskDispatcherContext::GetGlobalTaskDispatcher dispatcher is nullptr ");
147 if (executor_ == nullptr) {
148 APP_LOGE("TaskDispatcherContext::GetGlobalTaskDispatcher executor_ is nullptr ");
149 return nullptr;
150 }
151 dispatcher = std::make_shared<GlobalTaskDispatcher>(priority, executor_);
152 if (globalDispatchers_[index] == nullptr) {
153 APP_LOGI("TaskDispatcherContext::GetGlobalTaskDispatcher dispatcher compareAndSet ");
154 globalDispatchers_.insert((globalDispatchers_.begin() + index), dispatcher);
155 }
156 }
157 APP_LOGI("TaskDispatcherContext::GetGlobalTaskDispatcher end");
158 return dispatcher;
159 }
160
Shutdown(bool force)161 ErrCode TaskDispatcherContext::Shutdown(bool force)
162 {
163 APP_LOGI("TaskDispatcherContext::Shutdown start");
164 if (executor_ == nullptr) {
165 APP_LOGE("TaskDispatcherContext::Shutdown executor_ is nullptr");
166 return ERR_APPEXECFWK_CHECK_FAILED;
167 }
168 executor_->Terminate(force);
169 APP_LOGI("TaskDispatcherContext::Shutdown end");
170 return ERR_OK;
171 }
172 } // namespace AppExecFwk
173 } // namespace OHOS
174