source: code/trunk/vendor/github.com/prometheus/procfs/proc_sys.go@ 822

// 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("field %d in sysctl %s is not a valid int: %w", i, sysctl, err)
                }
        }
        return values, nil
}