1 /*
2  * Copyright (c) 2023-2024 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_rust_listener.h"
17 
18 #include "hilog/log.h"
19 #include "hisysevent_record_convertor.h"
20 
21 #undef LOG_DOMAIN
22 #define LOG_DOMAIN 0xD002D08
23 
24 #undef LOG_TAG
25 #define LOG_TAG "HISYSEVENT_RUST_LISTENER"
26 
27 namespace {
28 using OHOS::HiviewDFX::HiSysEventRecordConvertor;
29 }
30 
HiSysEventRustListener(HiSysEventRustWatcherC * watcher)31 HiSysEventRustListener::HiSysEventRustListener(HiSysEventRustWatcherC* watcher)
32     : watcher_(watcher)
33 {
34 }
35 
~HiSysEventRustListener()36 HiSysEventRustListener::~HiSysEventRustListener()
37 {
38     RecycleWatcher(watcher_);
39 }
40 
OnEvent(std::shared_ptr<OHOS::HiviewDFX::HiSysEventRecord> sysEvent)41 void HiSysEventRustListener::OnEvent(std::shared_ptr<OHOS::HiviewDFX::HiSysEventRecord> sysEvent)
42 {
43     if (watcher_ == nullptr || sysEvent == nullptr) {
44         HILOG_ERROR(LOG_CORE, "OnEvent callback or sys event is null.");
45         return;
46     }
47     HiSysEventRecordC record;
48     HiSysEventRecordConvertor::ConvertRecord(*sysEvent, record);
49     watcher_->onEventWrapperCb(watcher_->onEventRustCb, record);
50     HiSysEventRecordConvertor::DeleteRecord(record);
51 }
52 
OnServiceDied()53 void HiSysEventRustListener::OnServiceDied()
54 {
55     if (watcher_ == nullptr) {
56         HILOG_ERROR(LOG_CORE, "OnServiceDied callback is null.");
57         return;
58     }
59     watcher_->onServiceDiedWrapperCb(watcher_->onServiceDiedRustCb);
60 }
61 
RecycleWatcher(HiSysEventRustWatcherC * watcher)62 void HiSysEventRustListener::RecycleWatcher(HiSysEventRustWatcherC* watcher)
63 {
64     std::lock_guard<std::mutex> lock(listenerMutex_);
65     if ((watcher == nullptr) || (watcher->status == STATUS_MEM_FREED)) {
66         return;
67     }
68     if (watcher->status == STATUS_MEM_NEED_RECYCLE) {
69         watcher->status = STATUS_MEM_FREED;
70         delete watcher;
71         return;
72     }
73     watcher->status = STATUS_MEM_NEED_RECYCLE;
74 }