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 "symbols_table.h"
17 #include "trace_data_cache.h"
18
19 namespace SysTuning {
20 namespace TraceStreamer {
21 namespace {
22 enum Index { ID = 0, STR, ADDR };
23 }
SymbolsTable(const TraceDataCache * dataCache)24 SymbolsTable::SymbolsTable(const TraceDataCache* dataCache) : TableBase(dataCache)
25 {
26 tableColumn_.push_back(TableBase::ColumnInfo("id", "UNSIGNED BIG INT"));
27 tableColumn_.push_back(TableBase::ColumnInfo("funcname", "STRING"));
28 tableColumn_.push_back(TableBase::ColumnInfo("addr", "UNSIGNED BIG INT"));
29 tablePriKey_.push_back("id");
30 }
31
~SymbolsTable()32 SymbolsTable::~SymbolsTable() {}
33
CreateCursor()34 void SymbolsTable::CreateCursor()
35 {
36 cursor_ = std::make_unique<Cursor>(dataCache_);
37 }
38
Cursor(const TraceDataCache * dataCache)39 SymbolsTable::Cursor::Cursor(const TraceDataCache* dataCache)
40 : TableBase::Cursor(dataCache, 0, static_cast<uint32_t>(dataCache->GetConstSymbolsData().Size()))
41 {
42 }
43
~Cursor()44 SymbolsTable::Cursor::~Cursor() {}
45
Column(int col) const46 int SymbolsTable::Cursor::Column(int col) const
47 {
48 DataIndex index = static_cast<DataIndex>(CurrentRow());
49 switch (col) {
50 case ID:
51 sqlite3_result_int64(context_, static_cast<sqlite3_int64>(CurrentRow()));
52 break;
53 case STR:
54 sqlite3_result_text(context_,
55 dataCache_->GetDataFromDict(dataCache_->GetConstSymbolsData().GetConstFuncNames()[index]).c_str(),
56 STR_DEFAULT_LEN, nullptr);
57 break;
58 case ADDR:
59 sqlite3_result_int64(context_,
60 static_cast<sqlite3_int64>(dataCache_->GetConstSymbolsData().GetConstAddrs()[index]));
61 break;
62 default:
63 TS_LOGF("Unknown column %d", col);
64 break;
65 }
66 return SQLITE_OK;
67 }
68 } // namespace TraceStreamer
69 } // namespace SysTuning
70