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
16 #include "bundle_priority_info.h"
17 #include "memmgr_log.h"
18
19 namespace OHOS {
20 namespace Memory {
21 namespace {
22 const std::string TAG = "BundlePriorityInfo";
23 } // namespace
24
BundlePriorityInfo(const std::string & name,int bundleUid)25 BundlePriorityInfo::BundlePriorityInfo(const std::string &name, int bundleUid):name_(name), uid_(bundleUid)
26 {
27 this->priority_ = RECLAIM_PRIORITY_UNKNOWN;
28 this->accountId_ = bundleUid / USER_ID_SHIFT;
29 this->state_ = BundleState::STATE_DEFAULT;
30 }
31
BundlePriorityInfo(const std::string & name,int bundleUid,int priority)32 BundlePriorityInfo::BundlePriorityInfo(const std::string &name, int bundleUid, int priority):name_(name),
33 uid_(bundleUid), priority_(priority)
34 {
35 this->accountId_ = bundleUid / USER_ID_SHIFT;
36 this->state_ = BundleState::STATE_DEFAULT;
37 }
38
BundlePriorityInfo(const std::string & name,int bundleUid,int priority,int accountId,BundleState state)39 BundlePriorityInfo::BundlePriorityInfo(const std::string &name, int bundleUid, int priority, int accountId,
40 BundleState state) : name_(name), uid_(bundleUid), priority_(priority), accountId_(accountId), state_(state)
41 {
42 }
43
BundlePriorityInfo(const BundlePriorityInfo & copyBundle)44 BundlePriorityInfo::BundlePriorityInfo(const BundlePriorityInfo ©Bundle) : name_(copyBundle.name_),
45 uid_(copyBundle.uid_), priority_(copyBundle.priority_), accountId_(copyBundle.accountId_), state_(copyBundle.state_)
46 {
47 for (auto itrProcess = copyBundle.procs_.begin(); itrProcess != copyBundle.procs_.end(); itrProcess++) {
48 ProcessPriorityInfo processInfo = itrProcess->second;
49 ProcessPriorityInfo tmpProcess(processInfo);
50
51 this->procs_.insert(std::make_pair(tmpProcess.pid_, tmpProcess));
52 }
53 }
54
HasProc(pid_t pid)55 bool BundlePriorityInfo::HasProc(pid_t pid)
56 {
57 if (procs_.count(pid) == 0) {
58 return false;
59 }
60 return true;
61 }
62
AddProc(ProcessPriorityInfo & newProcess)63 void BundlePriorityInfo::AddProc(ProcessPriorityInfo &newProcess)
64 {
65 procs_.insert(std::make_pair(newProcess.pid_, newProcess));
66 }
67
RemoveProcByPid(pid_t pid)68 void BundlePriorityInfo::RemoveProcByPid(pid_t pid)
69 {
70 procs_.erase(pid);
71 }
72
GetProcsCount()73 int BundlePriorityInfo::GetProcsCount()
74 {
75 return procs_.size();
76 }
77
FindProcByPid(pid_t pid)78 ProcessPriorityInfo& BundlePriorityInfo::FindProcByPid(pid_t pid)
79 {
80 return procs_.at(pid);
81 }
82
GetMinProcPriority()83 int BundlePriorityInfo::GetMinProcPriority()
84 {
85 int min_priority = RECLAIM_PRIORITY_UNKNOWN;
86 for (auto i = procs_.begin(); i != procs_.end(); ++i) {
87 if (i->second.priority_ < min_priority) {
88 min_priority = i->second.priority_;
89 }
90 }
91 return min_priority;
92 }
93
SetPriority(int targetPriority)94 void BundlePriorityInfo::SetPriority(int targetPriority)
95 {
96 priority_ = targetPriority;
97 }
98
UpdatePriority()99 void BundlePriorityInfo::UpdatePriority()
100 {
101 int targetPriority = GetMinProcPriority();
102 if (targetPriority >= RECLAIM_PRIORITY_MAX) {
103 targetPriority = RECLAIM_PRIORITY_MAX;
104 } else if (targetPriority <= RECLAIM_PRIORITY_MIN) {
105 targetPriority = RECLAIM_PRIORITY_MIN;
106 }
107 SetPriority(targetPriority);
108 HILOGI("bundleName=%{public}s, priority=%{public}d", name_.c_str(), priority_);
109 }
110
GetState()111 BundleState BundlePriorityInfo::GetState()
112 {
113 return state_;
114 }
115
SetState(BundleState state)116 void BundlePriorityInfo::SetState(BundleState state)
117 {
118 state_ = state;
119 }
120
IncreaseProcsPriority(int delta)121 void BundlePriorityInfo::IncreaseProcsPriority(int delta)
122 {
123 for (auto i = procs_.begin(); i != procs_.end(); ++i) {
124 int oldPriority = i->second.priority_;
125 i->second.SetPriority(oldPriority + delta);
126 int newPriority = i->second.priority_;
127 HILOGI("pid = %{public}d, oldPriority = %{public}d, newPriority = %{public}d",
128 i->second.pid_, oldPriority, newPriority);
129 }
130 }
131 } // namespace Memory
132 } // namespace OHOS
133