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30 lines
546 B
30 lines
546 B
package ip |
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import ( |
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"net" |
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"strings" |
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) |
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// InternalIP return internal ip. |
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func InternalIP() string { |
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inters, err := net.Interfaces() |
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if err != nil { |
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return "" |
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} |
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for _, inter := range inters { |
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if inter.Flags&net.FlagUp != 0 && !strings.HasPrefix(inter.Name, "lo") { |
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addrs, err := inter.Addrs() |
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if err != nil { |
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continue |
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} |
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for _, addr := range addrs { |
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if ipnet, ok := addr.(*net.IPNet); ok && !ipnet.IP.IsLoopback() { |
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if ipnet.IP.To4() != nil { |
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return ipnet.IP.String() |
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} |
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} |
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} |
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} |
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} |
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return "" |
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}
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