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88250 / guluGo

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// Gulu - Golang common utilities for everyone.
// Copyright (c) 2019-present, b3log.org
//
// LianDi is licensed under Mulan PSL v2.
// You can use this software according to the terms and conditions of the Mulan PSL v2.
// You may obtain a copy of Mulan PSL v2 at:
// http://license.coscl.org.cn/MulanPSL2
// THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
// See the Mulan PSL v2 for more details.
package gulu
import (
"errors"
"net"
)
// LocalIP gets the first NIC's IP address.
func (*GuluNet) LocalIP() (string, error) {
addrs, err := net.InterfaceAddrs()
if nil != err {
return "", err
}
for _, address := range addrs {
if ipnet, ok := address.(*net.IPNet); ok && !ipnet.IP.IsLoopback() {
if nil != ipnet.IP.To4() {
return ipnet.IP.String(), nil
}
}
}
return "", errors.New("can't get local IP")
}
// LocalMac gets the first NIC's MAC address.
func (*GuluNet) LocalMac() (string, error) {
interfaces, err := net.Interfaces()
if err != nil {
return "", err
}
for _, inter := range interfaces {
address, err := inter.Addrs()
if err != nil {
return "", err
}
for _, address := range address {
// check the address type and if it is not a loopback the display it
if ipnet, ok := address.(*net.IPNet); ok && !ipnet.IP.IsLoopback() {
if ipnet.IP.To4() != nil {
return inter.HardwareAddr.String(), nil
}
}
}
}
return "", errors.New("can't get local mac")
}
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gulu
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