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 "instants_table.h"
17
18 namespace SysTuning {
19 namespace TraceStreamer {
20 namespace {
21 enum Index { TS = 0, NAME, REF, REF_TYPE };
22 }
InstantsTable(const TraceDataCache * dataCache)23 InstantsTable::InstantsTable(const TraceDataCache* dataCache) : TableBase(dataCache)
24 {
25 tableColumn_.push_back(TableBase::ColumnInfo("ts", "UNSIGNED BIG INT"));
26 tableColumn_.push_back(TableBase::ColumnInfo("name", "STRING"));
27 tableColumn_.push_back(TableBase::ColumnInfo("ref", "UNSIGNED INT"));
28 tableColumn_.push_back(TableBase::ColumnInfo("ref_type", "STRING"));
29 tablePriKey_.push_back("ts");
30 tablePriKey_.push_back("ref");
31 }
32
~InstantsTable()33 InstantsTable::~InstantsTable() {}
34
CreateCursor()35 void InstantsTable::CreateCursor()
36 {
37 cursor_ = std::make_unique<Cursor>(dataCache_);
38 }
39
Cursor(const TraceDataCache * dataCache)40 InstantsTable::Cursor::Cursor(const TraceDataCache* dataCache)
41 : TableBase::Cursor(dataCache, 0, static_cast<uint32_t>(dataCache->GetConstInstantsData().Size())),
42 InstantsObj_(dataCache->GetConstInstantsData())
43 {
44 }
45
~Cursor()46 InstantsTable::Cursor::~Cursor() {}
47
Column(int column) const48 int InstantsTable::Cursor::Column(int column) const
49 {
50 size_t stringIdentity = static_cast<size_t>(InstantsObj_.NameIndexsData()[CurrentRow()]);
51 switch (column) {
52 case TS:
53 sqlite3_result_int64(context_, static_cast<int64_t>(InstantsObj_.TimeStamData()[CurrentRow()]));
54 break;
55 case NAME: {
56 sqlite3_result_text(context_, dataCache_->GetDataFromDict(stringIdentity).c_str(),
57 STR_DEFAULT_LEN, nullptr);
58 break;
59 }
60 case REF:
61 sqlite3_result_int64(context_, static_cast<int32_t>(InstantsObj_.InternalTidsData()[CurrentRow()]));
62 break;
63 case REF_TYPE: {
64 sqlite3_result_text(context_, "itid", STR_DEFAULT_LEN, nullptr);
65 break;
66 }
67 default:
68 TS_LOGF("Unregistered column : %d", column);
69 break;
70 }
71 return SQLITE_OK;
72 }
73 } // namespace TraceStreamer
74 } // namespace SysTuning
75