46 lines
1.1 KiB
Go
46 lines
1.1 KiB
Go
// Copyright (c) 2014-2018, b3log.org & hacpai.com
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// Package util includes common utilities.
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package util
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import (
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"errors"
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"net"
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)
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type mynet struct{}
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// Network utilities.
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var Net = mynet{}
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// LocalIP gets the first NIC's IP address.
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func (*mynet) LocalIP() (string, error) {
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addrs, err := net.InterfaceAddrs()
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if nil != err {
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return "", err
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}
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for _, address := range addrs {
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if ipnet, ok := address.(*net.IPNet); ok && !ipnet.IP.IsLoopback() {
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if nil != ipnet.IP.To4() {
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return ipnet.IP.String(), nil
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}
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}
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}
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return "", errors.New("can't get local IP")
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}
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