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 "system_call_table.h"
17
18 namespace SysTuning {
19 namespace TraceStreamer {
20 enum class Index : int32_t { SYSCALL_NUM = 0, TYPE, IPID, TS, RET };
SystemCallTable(const TraceDataCache * dataCache)21 SystemCallTable::SystemCallTable(const TraceDataCache* dataCache) : TableBase(dataCache)
22 {
23 tableColumn_.push_back(TableBase::ColumnInfo("syscall_num", "INTEGER"));
24 tableColumn_.push_back(TableBase::ColumnInfo("type", "TEXT"));
25 tableColumn_.push_back(TableBase::ColumnInfo("ipid", "INTEGER"));
26 tableColumn_.push_back(TableBase::ColumnInfo("ts", "INTEGER"));
27 tableColumn_.push_back(TableBase::ColumnInfo("ret", "INTEGER"));
28 tablePriKey_.push_back("syscall_num");
29 }
30
~SystemCallTable()31 SystemCallTable::~SystemCallTable() {}
32
CreateCursor()33 std::unique_ptr<TableBase::Cursor> SystemCallTable::CreateCursor()
34 {
35 return std::make_unique<Cursor>(dataCache_, this);
36 }
37
Cursor(const TraceDataCache * dataCache,TableBase * table)38 SystemCallTable::Cursor::Cursor(const TraceDataCache* dataCache, TableBase* table)
39 : TableBase::Cursor(dataCache, table, static_cast<uint32_t>(dataCache->GetConstSysCallData().Size())),
40 sysCallObj_(dataCache->GetConstSysCallData())
41 {
42 }
43
~Cursor()44 SystemCallTable::Cursor::~Cursor() {}
45
Column(int32_t column) const46 int32_t SystemCallTable::Cursor::Column(int32_t column) const
47 {
48 switch (static_cast<Index>(column)) {
49 case Index::SYSCALL_NUM:
50 sqlite3_result_int64(context_, dataCache_->GetConstSysCallData().SysCallsData()[CurrentRow()]);
51 break;
52 case Index::TYPE:
53 sqlite3_result_text(context_, dataCache_->GetDataFromDict(sysCallObj_.TypesData()[CurrentRow()]).c_str(),
54 STR_DEFAULT_LEN, nullptr);
55 break;
56 case Index::IPID:
57 sqlite3_result_int64(context_, dataCache_->GetConstSysCallData().IpidsData()[CurrentRow()]);
58 break;
59 case Index::TS:
60 sqlite3_result_int64(context_, dataCache_->GetConstSysCallData().TimeStampData()[CurrentRow()]);
61 break;
62 case Index::RET:
63 sqlite3_result_int64(context_, dataCache_->GetConstSysCallData().RetsData()[CurrentRow()]);
64 break;
65 default:
66 TS_LOGF("Unregistered column : %d", column);
67 break;
68 }
69 return SQLITE_OK;
70 }
71 } // namespace TraceStreamer
72 } // namespace SysTuning
73