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 "hisysevent_rust_querier.h"
17
18 #include "hilog/log.h"
19 #include "hisysevent_record_convertor.h"
20
21 namespace {
22 constexpr OHOS::HiviewDFX::HiLogLabel LABEL = { LOG_CORE, 0xD002D08, "HISYSEVENT_RUST_QURIER" };
23 using HiSysEventRecordCls = OHOS::HiviewDFX::HiSysEventRecord;
24 using OHOS::HiviewDFX::HiLog;
25 using OHOS::HiviewDFX::HiSysEventRecordConvertor;
26 }
27
HiSysEventRustQuerier(HiSysEventRustQuerierC * querier)28 HiSysEventRustQuerier::HiSysEventRustQuerier(HiSysEventRustQuerierC* querier)
29 : querier_(querier)
30 {
31 }
32
~HiSysEventRustQuerier()33 HiSysEventRustQuerier::~HiSysEventRustQuerier()
34 {
35 RecycleQuerier(querier_);
36 }
37
OnQuery(std::shared_ptr<std::vector<OHOS::HiviewDFX::HiSysEventRecord>> sysEvents)38 void HiSysEventRustQuerier::OnQuery(std::shared_ptr<std::vector<OHOS::HiviewDFX::HiSysEventRecord>> sysEvents)
39 {
40 if (querier_ == nullptr) {
41 HiLog::Error(LABEL, "OnQuery callback is null");
42 return;
43 }
44 if (sysEvents == nullptr || sysEvents->empty()) {
45 querier_->onQueryWrapperCb(querier_->onQueryRustCb, nullptr, 0);
46 return;
47 }
48 size_t size = sysEvents->size();
49 auto records = new(std::nothrow) HiSysEventRecordC[size];
50 for (size_t i = 0; i < size; i++) {
51 HiSysEventRecordConvertor::InitRecord(records[i]);
52 if (HiSysEventRecordConvertor::ConvertRecord(sysEvents->at(i), records[i]) != 0) {
53 HiLog::Error(LABEL, "Failed to covert record, index=%{public}zu, size=%{public}zu", i, size);
54 HiSysEventRecordConvertor::DeleteRecords(&records, i + 1); // +1 for release the current record
55 return;
56 }
57 }
58 querier_->onQueryWrapperCb(querier_->onQueryRustCb, records, size);
59 HiSysEventRecordConvertor::DeleteRecords(&records, size);
60 }
61
OnComplete(int32_t reason,int32_t total)62 void HiSysEventRustQuerier::OnComplete(int32_t reason, int32_t total)
63 {
64 if (querier_ == nullptr) {
65 HiLog::Error(LABEL, "OnComplete callback is null");
66 return;
67 }
68 querier_->onCompleteWrapperCb(querier_->onCompleteRustCb, reason, total);
69 }
70
RecycleQuerier(HiSysEventRustQuerierC * querier)71 void HiSysEventRustQuerier::RecycleQuerier(HiSysEventRustQuerierC* querier)
72 {
73 std::lock_guard<std::mutex> lock(querierMutex_);
74 if ((querier == nullptr) || (querier->status == STATUS_MEM_FREED)) {
75 return;
76 }
77 if (querier->status == STATUS_MEM_NEED_RECYCLE) {
78 querier->status = STATUS_MEM_FREED;
79 delete querier;
80 return;
81 }
82 querier->status = STATUS_MEM_NEED_RECYCLE;
83 }