1 /*
2  * Copyright (c) 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 "ndk_app_event_watcher_proxy.h"
17 
18 #include "app_event_observer_mgr.h"
19 #include "hilog/log.h"
20 #include "hiappevent_base.h"
21 #include "app_event_store.h"
22 
23 #undef LOG_DOMAIN
24 #define LOG_DOMAIN 0xD002D07
25 
26 #undef LOG_TAG
27 #define LOG_TAG "NdkWatcherProxy"
28 
29 namespace OHOS {
30 namespace HiviewDFX {
31 
NdkAppEventWatcherProxy(const std::string & name)32 NdkAppEventWatcherProxy::NdkAppEventWatcherProxy(const std::string &name)
33     : watcher_(std::make_shared<NdkAppEventWatcher>(name)) {}
34 
SetTriggerCondition(int row,int size,int timeOut)35 int NdkAppEventWatcherProxy::SetTriggerCondition(int row, int size, int timeOut)
36 {
37     watcher_->SetTriggerCondition(row, size, timeOut);
38     return 0;
39 }
40 
SetAppEventFilter(const char * domain,uint8_t eventTypes,const char * const * names,int namesLen)41 int NdkAppEventWatcherProxy::SetAppEventFilter(const char *domain, uint8_t eventTypes,
42                                                const char *const *names, int namesLen)
43 {
44     return watcher_->AddAppEventFilter(domain, eventTypes, names, namesLen);
45 }
46 
SetWatcherOnTrigger(OH_HiAppEvent_OnTrigger onTrigger)47 int NdkAppEventWatcherProxy::SetWatcherOnTrigger(OH_HiAppEvent_OnTrigger onTrigger)
48 {
49     watcher_->SetOnTrigger(onTrigger);
50     return 0;
51 }
52 
SetWatcherOnReceiver(OH_HiAppEvent_OnReceive onReceiver)53 int NdkAppEventWatcherProxy::SetWatcherOnReceiver(OH_HiAppEvent_OnReceive onReceiver)
54 {
55     watcher_->SetOnOnReceive(onReceiver);
56     return 0;
57 }
58 
AddWatcher()59 int NdkAppEventWatcherProxy::AddWatcher()
60 {
61     AppEventObserverMgr::GetInstance().RegisterObserver(watcher_);
62     return 0;
63 }
64 
TakeWatcherData(uint32_t size,OH_HiAppEvent_OnTake onTake)65 int NdkAppEventWatcherProxy::TakeWatcherData(uint32_t size, OH_HiAppEvent_OnTake onTake)
66 {
67     if (onTake == nullptr) {
68         HILOG_WARN(LOG_CORE, "onTake is nullptr");
69         return ErrorCode::ERROR_INVALID_PARAM_VALUE;
70     }
71     if (watcher_->GetSeq() == 0) {
72         HILOG_WARN(LOG_CORE, "failed to query events, the observer has not been added");
73         return ErrorCode::ERROR_WATCHER_NOT_ADDED;
74     }
75     std::vector<std::shared_ptr<AppEventPack>> events;
76     if (AppEventStore::GetInstance().TakeEvents(events, watcher_->GetSeq(), size) != 0) {
77         HILOG_WARN(LOG_CORE, "failed to query events, seq=%{public}" PRId64, watcher_->GetSeq());
78         return ErrorCode::ERROR_UNKNOWN;
79     }
80     std::vector<std::string> eventStrs(events.size());
81     std::vector<const char*> retEvents(events.size());
82     for (size_t t = 0; t < events.size(); ++t) {
83         eventStrs[t] = events[t]->GetEventStr();
84         retEvents[t] = eventStrs[t].c_str();
85     }
86     onTake(retEvents.data(), static_cast<int32_t>(eventStrs.size()));
87     return 0;
88 }
89 
RemoveWatcher()90 int NdkAppEventWatcherProxy::RemoveWatcher()
91 {
92     int64_t watcherSeq = watcher_->GetSeq();
93     if (watcherSeq > 0) {
94         AppEventObserverMgr::GetInstance().UnregisterObserver(watcherSeq);
95         watcher_->SetSeq(0);
96         return 0;
97     }
98     return ErrorCode::ERROR_WATCHER_NOT_ADDED;
99 }
100 }
101 }