1 /*
2  * Copyright (c) 2022 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 "concurrent_task_client.h"
16 #include <cinttypes>
17 #include "if_system_ability_manager.h"
18 #include "iservice_registry.h"
19 #include "concurrent_task_log.h"
20 #include "concurrent_task_errors.h"
21 #include "system_ability_definition.h"
22 
23 namespace OHOS {
24 namespace ConcurrentTask {
GetInstance()25 ConcurrentTaskClient& ConcurrentTaskClient::GetInstance()
26 {
27     static ConcurrentTaskClient instance;
28     return instance;
29 }
30 
ReportData(uint32_t resType,int64_t value,const std::unordered_map<std::string,std::string> & mapPayload)31 void ConcurrentTaskClient::ReportData(uint32_t resType, int64_t value,
32                                       const std::unordered_map<std::string, std::string>& mapPayload)
33 {
34     CONCUR_LOGD("ConcurrentTaskClient::ReportData receive resType = %{public}u, value = %{public}" PRId64 ".",
35                   resType, value);
36     if (TryConnect() != ERR_OK) {
37         return;
38     }
39     Json::Value payload;
40     for (auto it = mapPayload.begin(); it != mapPayload.end(); ++it) {
41         payload[it->first] = it->second;
42     }
43     clientService_->ReportData(resType, value, payload);
44 }
45 
QueryInterval(int queryItem,IntervalReply & queryRs)46 void ConcurrentTaskClient::QueryInterval(int queryItem, IntervalReply& queryRs)
47 {
48     if (TryConnect() != ERR_OK) {
49         CONCUR_LOGE("QueryInterval connnect fail");
50         return;
51     }
52     clientService_->QueryInterval(queryItem, queryRs);
53     return;
54 }
55 
QueryDeadline(int queryItem,DeadlineReply & ddlReply,const std::unordered_map<pid_t,uint32_t> & mapPayload)56 void ConcurrentTaskClient::QueryDeadline(int queryItem, DeadlineReply& ddlReply,
57                                          const std::unordered_map<pid_t, uint32_t>& mapPayload)
58 {
59     if (TryConnect() != ERR_OK) {
60         return;
61     }
62     Json::Value payload;
63     for (auto it = mapPayload.begin(); it != mapPayload.end(); ++it) {
64         payload[std::to_string(it->first)] = std::to_string(it->second);
65     }
66     clientService_->QueryDeadline(queryItem, ddlReply, payload);
67     return;
68 }
69 
RequestAuth(const std::unordered_map<std::string,std::string> & mapPayload)70 void ConcurrentTaskClient::RequestAuth(const std::unordered_map<std::string, std::string>& mapPayload)
71 {
72     if (TryConnect() != ERR_OK) {
73         return;
74     }
75     Json::Value payload;
76     for (auto it = mapPayload.begin(); it != mapPayload.end(); ++it) {
77         payload[it->first] = it->second;
78     }
79     clientService_->RequestAuth(payload);
80     return;
81 }
82 
QueryDeadline(int queryItem,DeadlineReply & ddlReply,const std::unordered_map<std::string,std::string> & mapPayload)83 void ConcurrentTaskClient::QueryDeadline(int queryItem, DeadlineReply& ddlReply,
84                                          const std::unordered_map<std::string, std::string>& mapPayload)
85 {
86     if (TryConnect() != ERR_OK) {
87         return;
88     }
89     Json::Value payload;
90     for (auto it = mapPayload.begin(); it != mapPayload.end(); ++it) {
91         payload[it->first] = it->second;
92     }
93     clientService_->QueryDeadline(queryItem, ddlReply, payload);
94     return;
95 }
96 
TryConnect()97 ErrCode ConcurrentTaskClient::TryConnect()
98 {
99     std::lock_guard<std::mutex> lock(mutex_);
100     if (clientService_) {
101         return ERR_OK;
102     }
103 
104     sptr<ISystemAbilityManager> systemManager = SystemAbilityManagerClient::GetInstance().GetSystemAbilityManager();
105     if (!systemManager) {
106         CONCUR_LOGE("ConcurrentTaskClient::Fail to get registry.");
107         return GET_CONCURRENT_TASK_SERVICE_FAILED;
108     }
109 
110     remoteObject_ = systemManager->GetSystemAbility(CONCURRENT_TASK_SERVICE_ID);
111     if (!remoteObject_) {
112         CONCUR_LOGE("ConcurrentTaskClient::Fail to connect concurrent task schedule service.");
113         return GET_CONCURRENT_TASK_SERVICE_FAILED;
114     }
115 
116     clientService_ = iface_cast<IConcurrentTaskService>(remoteObject_);
117     if (!clientService_) {
118         return GET_CONCURRENT_TASK_SERVICE_FAILED;
119     }
120     try {
121         recipient_ = new ConcurrentTaskDeathRecipient(*this);
122     } catch (const std::bad_alloc& e) {
123         CONCUR_LOGE("ConcurrentTaskClient::New ConcurrentTaskDeathRecipient fail.");
124     }
125     if (!recipient_) {
126         return GET_CONCURRENT_TASK_SERVICE_FAILED;
127     }
128     clientService_->AsObject()->AddDeathRecipient(recipient_);
129     CONCUR_LOGD("ConcurrentTaskClient::Connect concurrent task service success.");
130     return ERR_OK;
131 }
132 
StopRemoteObject()133 void ConcurrentTaskClient::StopRemoteObject()
134 {
135     if (clientService_ && clientService_->AsObject()) {
136         clientService_->AsObject()->RemoveDeathRecipient(recipient_);
137     }
138     clientService_ = nullptr;
139 }
140 
ConcurrentTaskDeathRecipient(ConcurrentTaskClient & concurrentTaskClient)141 ConcurrentTaskClient::ConcurrentTaskDeathRecipient::ConcurrentTaskDeathRecipient(
142     ConcurrentTaskClient& concurrentTaskClient) : concurrentTaskClient_(concurrentTaskClient) {}
143 
~ConcurrentTaskDeathRecipient()144 ConcurrentTaskClient::ConcurrentTaskDeathRecipient::~ConcurrentTaskDeathRecipient() {}
145 
OnRemoteDied(const wptr<IRemoteObject> & object)146 void ConcurrentTaskClient::ConcurrentTaskDeathRecipient::OnRemoteDied(const wptr<IRemoteObject>& object)
147 {
148     concurrentTaskClient_.StopRemoteObject();
149 }
150 
151 #ifdef __cplusplus
152 extern "C" {
153 #endif
CTC_QueryInterval(int queryItem,OHOS::ConcurrentTask::IntervalReply & queryRs)154 void CTC_QueryInterval(int queryItem, OHOS::ConcurrentTask::IntervalReply& queryRs)
155 {
156     OHOS::ConcurrentTask::ConcurrentTaskClient::GetInstance().QueryInterval(queryItem, queryRs);
157 }
158 #ifdef __cplusplus
159 }
160 #endif
161 } // namespace ConcurrentTask
162 } // namespace OHOS
163