1 /*
2 * Copyright (c) 2021-2022 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 "hisysevent_manager.h"
17
18 #include "hilog/log.h"
19 #include "hisysevent_base_manager.h"
20 #include "ret_code.h"
21
22 namespace OHOS {
23 namespace HiviewDFX {
24 namespace {
25 constexpr HiLogLabel LABEL = { LOG_CORE, 0xD002D08, "HISYSEVENT_MANAGER" };
26 }
27
28 std::unordered_map<std::shared_ptr<HiSysEventListener>,
29 std::shared_ptr<HiSysEventBaseListener>> HiSysEventManager::listenerToBaseMap;
30
AddListener(std::shared_ptr<HiSysEventListener> listener,std::vector<ListenerRule> & rules)31 int32_t HiSysEventManager::AddListener(std::shared_ptr<HiSysEventListener> listener,
32 std::vector<ListenerRule>& rules)
33 {
34 if (listener == nullptr) {
35 HiLog::Warn(LABEL, "add a null listener is not allowed.");
36 return ERR_LISTENER_NOT_EXIST;
37 }
38 auto baseListener = listenerToBaseMap[listener];
39 if (baseListener == nullptr) {
40 baseListener = std::make_shared<HiSysEventBaseListener>(listener);
41 listenerToBaseMap[listener] = baseListener;
42 }
43 return HiSysEventBaseManager::AddListener(baseListener, rules);
44 }
45
RemoveListener(std::shared_ptr<HiSysEventListener> listener)46 int32_t HiSysEventManager::RemoveListener(std::shared_ptr<HiSysEventListener> listener)
47 {
48 if (listener == nullptr) {
49 HiLog::Warn(LABEL, "remov a null listener is not allowed.");
50 return ERR_LISTENER_NOT_EXIST;
51 }
52 auto baseListener = listenerToBaseMap[listener];
53 if (baseListener == nullptr) {
54 HiLog::Warn(LABEL, "no need to remove a listener which has not been added.");
55 return ERR_LISTENER_NOT_EXIST;
56 }
57 auto ret = HiSysEventBaseManager::RemoveListener(baseListener);
58 if (ret == IPC_CALL_SUCCEED) {
59 HiLog::Debug(LABEL, "remove listener from local cache.");
60 listenerToBaseMap.erase(listener);
61 }
62 return ret;
63 }
64
Query(struct QueryArg & arg,std::vector<QueryRule> & rules,std::shared_ptr<HiSysEventQueryCallback> callback)65 int32_t HiSysEventManager::Query(struct QueryArg& arg, std::vector<QueryRule>& rules,
66 std::shared_ptr<HiSysEventQueryCallback> callback)
67 {
68 auto baseQueryCallback = std::make_shared<HiSysEventBaseQueryCallback>(callback);
69 return HiSysEventBaseManager::Query(arg, rules, baseQueryCallback);
70 }
71
SetDebugMode(std::shared_ptr<HiSysEventListener> listener,bool mode)72 int32_t HiSysEventManager::SetDebugMode(std::shared_ptr<HiSysEventListener> listener, bool mode)
73 {
74 if (listener == nullptr) {
75 HiLog::Warn(LABEL, "set debug mode on a null listener is not allowed.");
76 return ERR_LISTENER_NOT_EXIST;
77 }
78 auto baseListener = listenerToBaseMap[listener];
79 if (baseListener == nullptr) {
80 HiLog::Warn(LABEL, "no need to set debug mode on a listener which has not been added.");
81 return ERR_LISTENER_NOT_EXIST;
82 }
83 return HiSysEventBaseManager::SetDebugMode(baseListener, mode);
84 }
85 } // namespace HiviewDFX
86 } // namespace OHOS
87