1 /*
2 * Copyright (c) 2023 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 "sleep_callback_holder.h"
17 #include "power_common.h"
18
19 namespace OHOS {
20 namespace PowerMgr {
SleepCallbackHolder()21 SleepCallbackHolder::SleepCallbackHolder() {}
22 SleepCallbackHolder::~SleepCallbackHolder() = default;
23
AddCallback(const sptr<ISyncSleepCallback> & callback,SleepPriority priority)24 void SleepCallbackHolder::AddCallback(const sptr<ISyncSleepCallback>& callback, SleepPriority priority)
25 {
26 std::lock_guard<std::mutex> lock(mutex_);
27 switch (priority) {
28 case SleepPriority::LOW: {
29 lowPriorityCallbacks_.insert(callback);
30 break;
31 }
32 case SleepPriority::DEFAULT: {
33 defaultPriorityCallbacks_.insert(callback);
34 break;
35 }
36 case SleepPriority::HIGH: {
37 highPriorityCallbacks_.insert(callback);
38 break;
39 }
40 default: {
41 break;
42 }
43 }
44 AddCallbackPidUid(callback);
45 }
46
AddCallbackPidUid(const sptr<ISyncSleepCallback> & callback)47 void SleepCallbackHolder::AddCallbackPidUid(const sptr<ISyncSleepCallback>& callback)
48 {
49 pid_t pid = IPCSkeleton::GetCallingPid();
50 auto uid = IPCSkeleton::GetCallingUid();
51 cachedRegister_.emplace(callback, std::make_pair(pid, uid));
52 }
53
GetHighPriorityCallbacks()54 SleepCallbackHolder::SleepCallbackContainerType SleepCallbackHolder::GetHighPriorityCallbacks()
55 {
56 std::lock_guard<std::mutex> lock(mutex_);
57 return highPriorityCallbacks_;
58 }
59
GetDefaultPriorityCallbacks()60 SleepCallbackHolder::SleepCallbackContainerType SleepCallbackHolder::GetDefaultPriorityCallbacks()
61 {
62 std::lock_guard<std::mutex> lock(mutex_);
63 return defaultPriorityCallbacks_;
64 }
65
GetLowPriorityCallbacks()66 SleepCallbackHolder::SleepCallbackContainerType SleepCallbackHolder::GetLowPriorityCallbacks()
67 {
68 std::lock_guard<std::mutex> lock(mutex_);
69 return lowPriorityCallbacks_;
70 }
71
RemoveCallback(const sptr<ISyncSleepCallback> & callback)72 void SleepCallbackHolder::RemoveCallback(const sptr<ISyncSleepCallback>& callback)
73 {
74 std::lock_guard<std::mutex> lock(mutex_);
75 RemoveCallback(lowPriorityCallbacks_, callback);
76 RemoveCallback(defaultPriorityCallbacks_, callback);
77 RemoveCallback(highPriorityCallbacks_, callback);
78 RemoveCallbackPidUid(callback);
79 }
80
RemoveCallback(SleepCallbackHolder::SleepCallbackContainerType & callbacks,const sptr<ISyncSleepCallback> & callback)81 void SleepCallbackHolder::RemoveCallback(
82 SleepCallbackHolder::SleepCallbackContainerType& callbacks, const sptr<ISyncSleepCallback>& callback)
83 {
84 auto iter = callbacks.find(callback);
85 if (iter == callbacks.end()) {
86 POWER_HILOGE(FEATURE_SUSPEND, "Cannot find the sleep callback");
87 return;
88 }
89 callbacks.erase(iter);
90 }
91
RemoveCallbackPidUid(const sptr<ISyncSleepCallback> & callback)92 void SleepCallbackHolder::RemoveCallbackPidUid(const sptr<ISyncSleepCallback>& callback)
93 {
94 auto iter = cachedRegister_.find(callback);
95 if (iter != cachedRegister_.end()) {
96 cachedRegister_.erase(iter);
97 }
98 }
99
FindCallbackPidUid(const sptr<ISyncSleepCallback> & callback)100 std::pair<int32_t, int32_t> SleepCallbackHolder::FindCallbackPidUid(const sptr<ISyncSleepCallback>& callback)
101 {
102 std::lock_guard<std::mutex> lock(mutex_);
103 auto iter = cachedRegister_.find(callback);
104 return (iter != cachedRegister_.end()) ? iter->second : std::make_pair(0, 0);
105 }
106
107 } // namespace PowerMgr
108 } // namespace OHOS
109