51 lines
1.4 KiB
Go
51 lines
1.4 KiB
Go
// Copyright 2022 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.
|
|
|
|
package procfs
|
|
|
|
import (
|
|
"fmt"
|
|
"strings"
|
|
|
|
"github.com/prometheus/procfs/internal/util"
|
|
)
|
|
|
|
func sysctlToPath(sysctl string) string {
|
|
return strings.Replace(sysctl, ".", "/", -1)
|
|
}
|
|
|
|
func (fs FS) SysctlStrings(sysctl string) ([]string, error) {
|
|
value, err := util.SysReadFile(fs.proc.Path("sys", sysctlToPath(sysctl)))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return strings.Fields(value), nil
|
|
|
|
}
|
|
|
|
func (fs FS) SysctlInts(sysctl string) ([]int, error) {
|
|
fields, err := fs.SysctlStrings(sysctl)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
values := make([]int, len(fields))
|
|
for i, f := range fields {
|
|
vp := util.NewValueParser(f)
|
|
values[i] = vp.Int()
|
|
if err := vp.Err(); err != nil {
|
|
return nil, fmt.Errorf("%s: field %d in sysctl %s is not a valid int: %w", ErrFileParse, i, sysctl, err)
|
|
}
|
|
}
|
|
return values, nil
|
|
}
|