1 /*
2  * Copyright (C) 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 #define MLOG_TAG "EnhancementThreadManager"
17 
18 #include "enhancement_thread_manager.h"
19 
20 #include "enhancement_service_callback.h"
21 #include "media_log.h"
22 
23 using namespace std;
24 
25 namespace OHOS {
26 namespace Media {
27 static constexpr int32_t WAIT_TIME = 30;
28 
EnhancementThreadManager()29 EnhancementThreadManager::EnhancementThreadManager()
30 {
31     stop = false;
32 #ifdef ABILITY_CLOUD_ENHANCEMENT_SUPPORT
33     isThreadAlive = true;
34     thread(&EnhancementThreadManager::DealWithTasks, this).detach();
35 #endif
36 }
37 
~EnhancementThreadManager()38 EnhancementThreadManager::~EnhancementThreadManager()
39 {
40     {
41         lock_guard<mutex> lock(queueMutex_);
42         stop = true;
43     }
44     condVar_.notify_all();
45 }
46 
StartConsumerThread()47 void EnhancementThreadManager::StartConsumerThread()
48 {
49     if (!isThreadAlive) {
50         isThreadAlive = true;
51         thread(&EnhancementThreadManager::DealWithTasks, this).detach();
52     }
53 }
54 
OnProducerCallback(CloudEnhancementThreadTask & task)55 void EnhancementThreadManager::OnProducerCallback(CloudEnhancementThreadTask& task)
56 {
57     {
58         lock_guard<mutex> lock(queueMutex_);
59         taskQueue_.push(task);
60         StartConsumerThread();
61     }
62     condVar_.notify_one();
63 }
64 
DealWithTasks()65 void EnhancementThreadManager::DealWithTasks()
66 {
67     MEDIA_INFO_LOG("cloud enhancement consumer thread start");
68     bool loopCondition = true;
69     while (loopCondition) {
70         bool needExtraWork = false;
71         CloudEnhancementThreadTask task("", 0, nullptr, 0, false);
72         {
73             unique_lock<mutex> lock(queueMutex_);
74             if (condVar_.wait_for(lock, chrono::seconds(WAIT_TIME), [this]() {
75                 return !taskQueue_.empty() || stop;
76             })) {
77                 if (stop && taskQueue_.empty()) {
78                     loopCondition = false;
79                     break;
80                 }
81                 task = taskQueue_.front();
82                 taskQueue_.pop();
83 
84                 if (taskQueue_.empty()) {
85                     needExtraWork = true;
86                 }
87             } else {
88                 loopCondition = false;
89                 break;
90             }
91         }
92         if (task.taskId.empty()) {
93             continue;
94         }
95         task.isSuccessed ? ExecSuccessedTask(task) : ExecFailedTask(task);
96         if (needExtraWork) {
97             ExecExtraWork();
98         }
99     }
100     MEDIA_INFO_LOG("cloud enhancement thread task queue is empty for %{public}d seconds", WAIT_TIME);
101     isThreadAlive = false;
102 }
103 
ExecSuccessedTask(CloudEnhancementThreadTask & task)104 void EnhancementThreadManager::ExecSuccessedTask(CloudEnhancementThreadTask& task)
105 {
106 #ifdef ABILITY_CLOUD_ENHANCEMENT_SUPPORT
107     EnhancementServiceCallback::DealWithSuccessedTask(task);
108 #endif
109 }
110 
ExecFailedTask(CloudEnhancementThreadTask & task)111 void EnhancementThreadManager::ExecFailedTask(CloudEnhancementThreadTask& task)
112 {
113 #ifdef ABILITY_CLOUD_ENHANCEMENT_SUPPORT
114     EnhancementServiceCallback::DealWithFailedTask(task);
115 #endif
116 }
117 
ExecExtraWork()118 void EnhancementThreadManager::ExecExtraWork()
119 {
120 #ifdef ABILITY_CLOUD_ENHANCEMENT_SUPPORT
121     EnhancementServiceCallback::UpdateAlbumsForCloudEnhancement();
122 #endif
123 }
124 } // namespace Media
125 } // namespace OHOS