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53 lines
962 B
53 lines
962 B
1 month ago
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package common_utils
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import (
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"fmt"
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"net"
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"os"
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"strings"
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)
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// ReadIP4 获取ipV4
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func ReadIP4() []string {
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var ip4 []string
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address, err := net.InterfaceAddrs()
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if err != nil {
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fmt.Println(err)
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os.Exit(1)
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}
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for _, address := range address {
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if ipNet, ok := address.(*net.IPNet); ok && !ipNet.IP.IsLoopback() {
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if ipNet.IP.To4() != nil {
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//log.Println("本机ip:", ipNet.IP.String())
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ip4 = append(ip4, ipNet.IP.String())
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}
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}
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}
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return ip4
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}
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// ReadIP4WithPrefix ReadIP4 获取ipV4
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// 过滤网段 prefix
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func ReadIP4WithPrefix(prefix string) []string {
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ip4 := ReadIP4()
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var filterIpV4 []string
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for _, ip := range ip4 {
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if strings.HasPrefix(ip, prefix) {
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filterIpV4 = append(filterIpV4, ip)
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}
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}
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return filterIpV4
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}
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// ReadIP4WithPrefixFirst
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// 获取ipV4
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// 过滤网段 prefix
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func ReadIP4WithPrefixFirst(prefix string) string {
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ip4 := ReadIP4WithPrefix(prefix)
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if len(ip4) > 0 {
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return ip4[0]
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}
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return ""
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}
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