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
16 #include "task_board.h"
17
18 #include "dh_context.h"
19 #include "dh_utils_tool.h"
20 #include "distributed_hardware_errno.h"
21 #include "distributed_hardware_log.h"
22
23 namespace OHOS {
24 namespace DistributedHardware {
25 #undef DH_LOG_TAG
26 #define DH_LOG_TAG "TaskBoard"
27
28 constexpr int32_t TASK_TIMEOUT_MS = 5000;
29
30 IMPLEMENT_SINGLE_INSTANCE(TaskBoard);
31
WaitForALLTaskFinish()32 int32_t TaskBoard::WaitForALLTaskFinish()
33 {
34 // wait for all task finish until timeout
35 std::unique_lock<std::mutex> lock(tasksMtx_);
36 auto status = conVar_.wait_for(lock, std::chrono::milliseconds(TASK_TIMEOUT_MS),
37 [this]() { return tasks_.empty(); });
38 if (!status) {
39 DHLOGE("wait for all task finish timeout");
40 return ERR_DH_FWK_TASK_TIMEOUT;
41 }
42 DHLOGI("all task finished");
43
44 return DH_FWK_SUCCESS;
45 }
46
IsAllTaskFinish()47 bool TaskBoard::IsAllTaskFinish()
48 {
49 std::lock_guard<std::mutex> lock(tasksMtx_);
50 return this->tasks_.empty();
51 }
52
AddTask(std::shared_ptr<Task> task)53 void TaskBoard::AddTask(std::shared_ptr<Task> task)
54 {
55 if (task == nullptr) {
56 DHLOGE("task is null, error");
57 return;
58 }
59
60 std::lock_guard<std::mutex> lock(tasksMtx_);
61 DHLOGI("Add task, id: %s", task->GetId().c_str());
62 if (this->tasks_.find(task->GetId()) != this->tasks_.end()) {
63 DHLOGE("Task id duplicate, id: %d", task->GetId().c_str());
64 return;
65 }
66 this->tasks_.emplace(task->GetId(), task);
67 }
68
RemoveTask(std::string taskId)69 void TaskBoard::RemoveTask(std::string taskId)
70 {
71 std::lock_guard<std::mutex> lock(tasksMtx_);
72 DHLOGI("Remove task, id: %s", taskId.c_str());
73 RemoveTaskInner(taskId);
74 if (tasks_.empty()) {
75 conVar_.notify_one();
76 }
77 }
78
RemoveTaskInner(std::string taskId)79 void TaskBoard::RemoveTaskInner(std::string taskId)
80 {
81 if (tasks_.find(taskId) == tasks_.end()) {
82 DHLOGE("Can not find removed task");
83 return;
84 }
85
86 tasks_.erase(taskId);
87 }
88 }
89 }
90