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1 /*
2  * Copyright (c) Huawei Technologies Co., Ltd. 2023. All rights reserved.
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 #ifndef FILE_SYSTEM_DATA_PARSER_H
16 #define FILE_SYSTEM_DATA_PARSER_H
17 #include "clock_filter_ex.h"
18 #include "ebpf_base.h"
19 #include "htrace_plugin_time_parser.h"
20 
21 namespace SysTuning {
22 namespace TraceStreamer {
23 using namespace SysTuning::EbpfStdtype;
24 class FileSystemDataParser : virtual public EbpfBase {
25 public:
26     FileSystemDataParser(TraceDataCache *dataCache, const TraceStreamerFilters *ctx);
27     ~FileSystemDataParser();
28 
29     void ParseFileSystemEvent();
30 
31 protected:
32     std::unique_ptr<HtracePluginTimeParser> timeParser_;
33 
34 private:
35     void IpAndCallidFind(const FsFixedHeader *fsFixedHeadrAddr, bool &callIdExistFlag, const uint64_t *userIpsAddr);
36 
37     template <typename TracerEventToStrIndexMap>
38     size_t FileWriteOperation(TracerEventToStrIndexMap &tracerEventToStrIndexMap,
39                               const FsFixedHeader *fsFixedHeadrAddr,
40                               uint32_t itid,
41                               uint64_t &filePathId,
42                               uint16_t type);
43 
44     int32_t GetFileDescriptor(const FsFixedHeader *fsFixedHeader, uint32_t fucType);
45     uint64_t StartEndTime(const FsFixedHeader *fsFixedHeadrAddr,
46                           uint64_t newStartTs,
47                           uint64_t newEndTs,
48                           DataIndex &returnValue,
49                           DataIndex &errorCode);
50     uint32_t currentCallId_ = 0;
51 };
52 } // namespace TraceStreamer
53 } // namespace SysTuning
54 #endif // FILE_SYSTEM_DATA_PARSER_H
55