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 
16 #ifndef TRACE_STREAMER_DMA_FENCE_TABLE_H
17 #define TRACE_STREAMER_DMA_FENCE_TABLE_H
18 
19 #include "table_base.h"
20 #include "trace_data_cache.h"
21 
22 namespace SysTuning {
23 namespace TraceStreamer {
24 class DmaFenceTable : public TableBase {
25 public:
26     explicit DmaFenceTable(const TraceDataCache *dataCache);
27     ~DmaFenceTable() override;
28     std::unique_ptr<TableBase::Cursor> CreateCursor() override;
29 
30 private:
31     int64_t GetSize() override
32     {
33         return dataCache_->GetConstDmaFenceData().Size();
34     }
35     void GetOrbyes(FilterConstraints &dmaFencefc, EstimatedIndexInfo &dmaFenceei) override;
36     void FilterByConstraint(FilterConstraints &dmaFencefc,
37                             double &dmaFencefilterCost,
38                             size_t dmaFencerowCount,
39                             uint32_t dmaFencecurrenti) override;
40     class Cursor : public TableBase::Cursor {
41     public:
42         explicit Cursor(const TraceDataCache *dataCache, TableBase *table);
43         ~Cursor() override;
44         int32_t Filter(const FilterConstraints &fc, sqlite3_value **argv) override;
45         int32_t Column(int32_t column) const override;
46 
47     private:
48         const DmaFence &dmaFenceObj_;
49     };
50 };
51 } // namespace TraceStreamer
52 } // namespace SysTuning
53 #endif // TRACE_STREAMER_DMA_FENCE_TABLE_H
54