finclip-app-manager/vendor/github.com/SkyAPM/go2sky/internal/tool/os_util.go

72 lines
1.5 KiB
Go

// Licensed to SkyAPM org under one or more contributor
// license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright
// ownership. SkyAPM org licenses this file to you 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 tool
import (
"net"
"os"
"runtime"
"strconv"
)
func ProcessNo() string {
if os.Getpid() > 0 {
return strconv.Itoa(os.Getpid())
}
return ""
}
func HostName() string {
if hs, err := os.Hostname(); err == nil {
return hs
}
return "unknown"
}
func OSName() string {
return runtime.GOOS
}
func AllIPV4() (ipv4s []string) {
adders, err := net.InterfaceAddrs()
if err != nil {
return
}
for _, addr := range adders {
if ipNet, ok := addr.(*net.IPNet); ok && !ipNet.IP.IsLoopback() {
if ipNet.IP.To4() != nil {
ipv4 := ipNet.IP.String()
if ipv4 == "127.0.0.1" || ipv4 == "localhost" {
continue
}
ipv4s = append(ipv4s, ipv4)
}
}
}
return
}
func IPV4() string {
ipv4s := AllIPV4()
if len(ipv4s) > 0 {
return ipv4s[0]
}
return "no-hostname"
}