1 /*
2 * Copyright (c) 2023-2024 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 "serial_queue.h"
17
18 #include "app_log_wrapper.h"
19
20 namespace OHOS {
21 namespace AppExecFwk {
22 using namespace ffrt;
23 namespace {
24 constexpr uint16_t CONVERSION_FACTOR = 1000; // ms to us
25 }
26
SerialQueue(const std::string & queueName)27 SerialQueue::SerialQueue(const std::string &queueName)
28 {
29 APP_LOGI("create SerialQueue, queueName %{public}s", queueName.c_str());
30 queue_ = std::make_shared<queue>(queueName.c_str());
31 }
32
~SerialQueue()33 SerialQueue::~SerialQueue()
34 {
35 APP_LOGD("destroy SerialQueue");
36 }
37
ScheduleDelayTask(const std::string & taskName,uint64_t ms,std::function<void ()> func)38 void SerialQueue::ScheduleDelayTask(const std::string &taskName, uint64_t ms, std::function<void()> func)
39 {
40 APP_LOGI("begin, taskName %{public}s", taskName.c_str());
41 if (ms > std::numeric_limits<uint64_t>::max() / CONVERSION_FACTOR) {
42 APP_LOGE("invalid ms, ScheduleDelayTask failed");
43 return;
44 }
45 std::unique_lock<std::shared_mutex> lock(mutex_);
46 task_handle task_handle = queue_->submit_h(func, task_attr().delay(ms * CONVERSION_FACTOR));
47 if (task_handle == nullptr) {
48 APP_LOGE("submit_h return null, ScheduleDelayTask failed");
49 return;
50 }
51 taskMap_[taskName] = std::move(task_handle);
52 APP_LOGI("ScheduleDelayTask success");
53 }
54
CancelDelayTask(const std::string & taskName)55 void SerialQueue::CancelDelayTask(const std::string &taskName)
56 {
57 APP_LOGI("begin, taskName %{public}s", taskName.c_str());
58 std::unique_lock<std::shared_mutex> lock(mutex_);
59 auto item = taskMap_.find(taskName);
60 if (item == taskMap_.end()) {
61 APP_LOGW("task not found, CancelDelayTask failed");
62 return;
63 }
64 if (item->second != nullptr) {
65 int32_t ret = queue_->cancel(item->second);
66 if (ret != 0) {
67 APP_LOGW("CancelDelayTask failed, err %{public}d", ret);
68 }
69 }
70 taskMap_.erase(taskName);
71 APP_LOGI("CancelDelayTask success");
72 }
73
ReScheduleDelayTask(const std::string & taskName,uint64_t ms,std::function<void ()> func)74 void SerialQueue::ReScheduleDelayTask(const std::string &taskName, uint64_t ms, std::function<void()> func)
75 {
76 if (ms > std::numeric_limits<uint64_t>::max() / CONVERSION_FACTOR) {
77 APP_LOGE("invalid ms, ReScheduleDelayTask failed");
78 return;
79 }
80 std::unique_lock<std::shared_mutex> lock(mutex_);
81 // cancel old task
82 auto item = taskMap_.find(taskName);
83 if (item != taskMap_.end()) {
84 if (item->second != nullptr) {
85 int32_t ret = queue_->cancel(item->second);
86 if (ret != 0) {
87 APP_LOGW("cancel failed, err %{public}d", ret);
88 }
89 }
90 taskMap_.erase(taskName);
91 }
92 // submit new task
93 task_handle handle = queue_->submit_h(func, task_attr().delay(ms * CONVERSION_FACTOR));
94 if (handle == nullptr) {
95 APP_LOGE("submit_h return null, ReScheduleDelayTask failed");
96 return;
97 }
98 taskMap_[taskName] = std::move(handle);
99 }
100 } // namespace AppExecFwk
101 } // namespace OHOS
102