mirror of
https://github.com/prometheus-community/windows_exporter.git
synced 2026-02-11 23:46:44 +00:00
99 lines
2.2 KiB
Go
99 lines
2.2 KiB
Go
// SPDX-License-Identifier: Apache-2.0
|
|
//
|
|
// Copyright The Prometheus Authors
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
//go:build windows
|
|
|
|
package registry
|
|
|
|
import (
|
|
"bytes"
|
|
"strconv"
|
|
"sync"
|
|
)
|
|
|
|
// CounterNameTable Initialize global name tables
|
|
// profiling, add option to disable name tables if necessary
|
|
// Not sure if we should resolve the names at all or just have the caller do it on demand
|
|
// (for many use cases the index is sufficient)
|
|
//
|
|
//nolint:gochecknoglobals
|
|
var CounterNameTable = *QueryNameTable("Counter 009")
|
|
|
|
func (p *perfObjectType) LookupName() string {
|
|
return CounterNameTable.LookupString(p.ObjectNameTitleIndex)
|
|
}
|
|
|
|
type NameTable struct {
|
|
once sync.Once
|
|
|
|
name string
|
|
|
|
table struct {
|
|
index map[uint32]string
|
|
string map[string]uint32
|
|
}
|
|
}
|
|
|
|
func (t *NameTable) LookupString(index uint32) string {
|
|
t.initialize()
|
|
|
|
return t.table.index[index]
|
|
}
|
|
|
|
func (t *NameTable) LookupIndex(str string) uint32 {
|
|
t.initialize()
|
|
|
|
return t.table.string[str]
|
|
}
|
|
|
|
// QueryNameTable Query a perflib name table from the v1. Specify the type and the language
|
|
// code (i.e. "Counter 009" or "Help 009") for English language.
|
|
func QueryNameTable(tableName string) *NameTable {
|
|
return &NameTable{
|
|
name: tableName,
|
|
}
|
|
}
|
|
|
|
func (t *NameTable) initialize() {
|
|
t.once.Do(func() {
|
|
t.table.index = make(map[uint32]string)
|
|
t.table.string = make(map[string]uint32)
|
|
|
|
buffer, err := queryRawData(t.name)
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
r := bytes.NewReader(buffer)
|
|
|
|
for {
|
|
index, err := readUTF16String(r)
|
|
if err != nil {
|
|
break
|
|
}
|
|
|
|
desc, err := readUTF16String(r)
|
|
if err != nil {
|
|
break
|
|
}
|
|
|
|
indexInt, _ := strconv.Atoi(index)
|
|
|
|
t.table.index[uint32(indexInt)] = desc
|
|
t.table.string[desc] = uint32(indexInt)
|
|
}
|
|
})
|
|
}
|