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 "clock_snapshot_table.h"
17 #include <cmath>
18
19 namespace SysTuning {
20 namespace TraceStreamer {
21 enum class Index : int32_t { ID = 0, CLOCK_ID, TS, CLOCK_NAME };
ClockSnapShotTable(const TraceDataCache * dataCache)22 ClockSnapShotTable::ClockSnapShotTable(const TraceDataCache* dataCache) : TableBase(dataCache)
23 {
24 tableColumn_.push_back(TableBase::ColumnInfo("id", "INTEGER"));
25 tableColumn_.push_back(TableBase::ColumnInfo("clock_id", "INTEGER"));
26 tableColumn_.push_back(TableBase::ColumnInfo("ts", "INTEGER"));
27 tableColumn_.push_back(TableBase::ColumnInfo("clock_name", "TEXT"));
28 tablePriKey_.push_back("ts");
29 tablePriKey_.push_back("id");
30 }
31
~ClockSnapShotTable()32 ClockSnapShotTable::~ClockSnapShotTable() {}
33
CreateCursor()34 std::unique_ptr<TableBase::Cursor> ClockSnapShotTable::CreateCursor()
35 {
36 return std::make_unique<Cursor>(dataCache_, this);
37 }
38
Cursor(const TraceDataCache * dataCache,TableBase * table)39 ClockSnapShotTable::Cursor::Cursor(const TraceDataCache* dataCache, TableBase* table)
40 : TableBase::Cursor(dataCache, table, static_cast<uint32_t>(dataCache->GetConstClockSnapshotData().Size())),
41 snapShotData_(dataCache->GetConstClockSnapshotData())
42 {
43 }
44
~Cursor()45 ClockSnapShotTable::Cursor::~Cursor() {}
46
Column(int32_t column) const47 int32_t ClockSnapShotTable::Cursor::Column(int32_t column) const
48 {
49 switch (static_cast<Index>(column)) {
50 case Index::ID:
51 sqlite3_result_int64(context_, CurrentRow());
52 break;
53 case Index::CLOCK_ID:
54 sqlite3_result_int64(context_, static_cast<int64_t>(snapShotData_.ClockIds()[CurrentRow()]));
55 break;
56 case Index::TS:
57 sqlite3_result_int64(context_, static_cast<int64_t>(snapShotData_.Ts()[CurrentRow()]));
58 break;
59 case Index::CLOCK_NAME:
60 sqlite3_result_text(context_, snapShotData_.Names()[CurrentRow()].c_str(), STR_DEFAULT_LEN, nullptr);
61 break;
62 default:
63 TS_LOGF("Unregistered column : %d", column);
64 break;
65 }
66 return SQLITE_OK;
67 }
68 } // namespace TraceStreamer
69 } // namespace SysTuning
70