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 "reclaim_priority_config.h"
16 #include "memmgr_ptr_util.h"
17 #include "kernel_interface.h"
18 #include "reclaim_priority_manager.h"
19 #include "memmgr_config_manager.h"
20 #include "memmgr_log.h"
21 #include "xml_helper.h"
22
23 namespace OHOS {
24 namespace Memory {
25 namespace {
26 const std::string TAG = "ReclaimPriorityConfig";
27 }
28
ParseConfig(const xmlNodePtr & rootNodePtr)29 void ReclaimPriorityConfig::ParseConfig(const xmlNodePtr &rootNodePtr)
30 {
31 if (!XmlHelper::CheckNode(rootNodePtr) || !XmlHelper::HasChild(rootNodePtr)) {
32 HILOGD("Node exsist:%{public}d,has child node:%{public}d",
33 XmlHelper::CheckNode(rootNodePtr), XmlHelper::HasChild(rootNodePtr));
34 return;
35 }
36 for (xmlNodePtr currNode = rootNodePtr->xmlChildrenNode; currNode != nullptr; currNode = currNode->next) {
37 if (!XmlHelper::CheckNode(currNode)) {
38 return;
39 }
40 std::string name = std::string(reinterpret_cast<const char *>(currNode->name));
41 if (name.compare("killalbeSystemApps") == 0) {
42 ParseReclaimPriorityKillableSystemAppsConfig(currNode);
43 continue;
44 }
45 HILOGW("unknown node :<%{public}s>", name.c_str());
46 return;
47 }
48 return;
49 }
50
ParseReclaimPriorityKillableSystemAppsConfig(const xmlNodePtr & rootNodePtr)51 void ReclaimPriorityConfig::ParseReclaimPriorityKillableSystemAppsConfig(const xmlNodePtr &rootNodePtr)
52 {
53 if (!XmlHelper::CheckNode(rootNodePtr) || !XmlHelper::HasChild(rootNodePtr)) {
54 HILOGD("Node exsist:%{public}d,has child node:%{public}d",
55 XmlHelper::CheckNode(rootNodePtr), XmlHelper::HasChild(rootNodePtr));
56 return;
57 }
58 for (xmlNodePtr currNode = rootNodePtr->xmlChildrenNode; currNode != nullptr; currNode = currNode->next) {
59 if (!XmlHelper::CheckNode(currNode)) {
60 return;
61 }
62 std::string name = std::string(reinterpret_cast<const char *>(currNode->name));
63 if (name.compare("killableSysApp") == 0) {
64 auto contentPtr = xmlNodeGetContent(currNode);
65 if (contentPtr == nullptr) {
66 continue;
67 }
68 std::string value = std::string(reinterpret_cast<char *>(contentPtr));
69 HILOGW("read a killable app: %{public}s", value.c_str());
70 if (value.size() == 0) {
71 HILOGE("read a empty killable app: %{public}s, ignore it!", value.c_str());
72 continue;
73 }
74 killalbeSystemApps_.insert(value);
75 xmlFree(contentPtr);
76 continue;
77 }
78 HILOGW("unknown node :<%{public}s>", name.c_str());
79 return;
80 }
81 return;
82 }
83
GetkillalbeSystemApps()84 std::set<std::string> ReclaimPriorityConfig::GetkillalbeSystemApps()
85 {
86 return killalbeSystemApps_;
87 }
88 } // namespace Memory
89 } // namespace OHOS
90