1 /*
2 * Copyright (c) 2021 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 "slice_table.h"
17 #include <cmath>
18
19 namespace SysTuning {
20 namespace TraceStreamer {
21 enum class Index : int32_t { TS = 0, ENDTS = 1, VALUE = 2, SLICE_ID = 3 };
SliceTable(const TraceDataCache * dataCache)22 SliceTable::SliceTable(const TraceDataCache* dataCache) : DemoTableBase(dataCache)
23 {
24 demoTableColumn_.push_back(DemoTableBase::ColumnInfo("start_ts", "INTEGER"));
25 demoTableColumn_.push_back(DemoTableBase::ColumnInfo("end_ts", "INTEGER"));
26 demoTableColumn_.push_back(DemoTableBase::ColumnInfo("value", "INTEGER"));
27 demoTableColumn_.push_back(DemoTableBase::ColumnInfo("slice_id", "INTEGER"));
28 demoTablePriKey_.push_back("start_ts");
29 demoTablePriKey_.push_back("slice_id");
30 }
31
~SliceTable()32 SliceTable::~SliceTable() {}
33
CreateCursor()34 std::unique_ptr<DemoTableBase::Cursor> SliceTable::CreateCursor()
35 {
36 return std::make_unique<Cursor>(demoTraceDataCache_, this);
37 }
38
Cursor(const TraceDataCache * dataCache,DemoTableBase * table)39 SliceTable::Cursor::Cursor(const TraceDataCache* dataCache, DemoTableBase* table)
40 : DemoTableBase::Cursor(dataCache, table, static_cast<uint32_t>(dataCache->GetConstSliceData().Size())),
41 sliceDataObj_(dataCache->GetConstSliceData())
42 {
43 }
44
~Cursor()45 SliceTable::Cursor::~Cursor() {}
46
Column(int32_t SliceTabColumn) const47 int32_t SliceTable::Cursor::Column(int32_t SliceTabColumn) const
48 {
49 switch (static_cast<Index>(SliceTabColumn)) {
50 case Index::TS: {
51 sqlite3_result_int64(demoContext_, static_cast<int64_t>(sliceDataObj_.TimeStamp()[CurrentRow()]));
52 break;
53 }
54 case Index::ENDTS: {
55 sqlite3_result_int64(demoContext_, static_cast<int64_t>(sliceDataObj_.EndTs()[CurrentRow()]));
56 break;
57 }
58 case Index::VALUE: {
59 sqlite3_result_int64(demoContext_, static_cast<int64_t>(sliceDataObj_.Value()[CurrentRow()]));
60 break;
61 }
62 case Index::SLICE_ID: {
63 sqlite3_result_int64(demoContext_, static_cast<int64_t>(sliceDataObj_.SliceId()[CurrentRow()]));
64 break;
65 }
66 default:
67 TS_LOGF("Unregistered SliceTabColumn : %d", SliceTabColumn);
68 break;
69 }
70 return SQLITE_OK;
71 }
72 } // namespace TraceStreamer
73 } // namespace SysTuning
74