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 "sys_dispatcher.h"
17 #include <cstdio>
18 #include <memory>
19
20 #include "event.h"
21 #include "logger.h"
22 #include "plugin_factory.h"
23 #include "sys_event.h"
24
25 namespace OHOS {
26 namespace HiviewDFX {
27 REGISTER(SysEventDispatcher);
28 DEFINE_LOG_TAG("SysEventDispatcher");
29
OnLoad()30 void SysEventDispatcher::OnLoad()
31 {
32 auto notifyFunc = [&] (std::shared_ptr<Event> event) -> void {
33 this->GetHiviewContext()->PostUnorderedEvent(shared_from_this(), event);
34 };
35 SysEventServiceAdapter::StartService(this, notifyFunc);
36 SysEventServiceAdapter::SetWorkLoop(this->GetHiviewContext()->GetSharedWorkLoop());
37 HIVIEW_LOGI("OnLoad.");
38 }
39
OnUnload()40 void SysEventDispatcher::OnUnload()
41 {
42 HIVIEW_LOGI("OnUnload.");
43 }
44
DispatchEvent(std::shared_ptr<SysEvent> & sysEvent)45 void SysEventDispatcher::DispatchEvent(std::shared_ptr<SysEvent>& sysEvent)
46 {
47 auto dispatchList = GetHiviewContext()->GetDisPatcherInfo(sysEvent->eventType_, sysEvent->eventName_,
48 sysEvent->GetTag(), sysEvent->domain_);
49 for (auto& dispatcher : dispatchList) {
50 auto ptr = dispatcher.lock();
51 if (ptr != nullptr) {
52 ptr->OnEventListeningCallback(*sysEvent);
53 }
54 }
55 }
56
Convert2SysEvent(std::shared_ptr<Event> & event)57 std::shared_ptr<SysEvent> SysEventDispatcher::Convert2SysEvent(std::shared_ptr<Event>& event)
58 {
59 if (event == nullptr) {
60 HIVIEW_LOGE("event is null");
61 return nullptr;
62 }
63 if (event->messageType_ != Event::MessageType::SYS_EVENT) {
64 HIVIEW_LOGE("receive out of sys event type");
65 return nullptr;
66 }
67 std::shared_ptr<SysEvent> sysEvent = Event::DownCastTo<SysEvent>(event);
68 if (sysEvent == nullptr) {
69 HIVIEW_LOGE("sysevent is null");
70 }
71 return sysEvent;
72 }
73
OnEvent(std::shared_ptr<Event> & event)74 bool SysEventDispatcher::OnEvent(std::shared_ptr<Event> &event)
75 {
76 auto sysEvent = Convert2SysEvent(event);
77 DispatchEvent(sysEvent);
78 SysEventServiceAdapter::OnSysEvent(sysEvent);
79 return true;
80 }
81 } // namespace HiviewDFX
82 } // namespace OHOS
83