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62 lines
1.6 KiB
62 lines
1.6 KiB
package localchat
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// // 获取自己的IP地址和主机名
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// func GetMyIPAndHostname() (string, string, error) {
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// hostname, err := os.Hostname()
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// if err != nil {
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// return "", "", fmt.Errorf("failed to get hostname: %w", err)
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// }
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// preferredIP, err := GetLocalIP()
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// if err != nil {
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// return "", "", fmt.Errorf("failed to get IP address: %w", err)
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// }
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// return preferredIP, hostname, nil
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// }
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// func GetLocalIP() (string, error) {
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// addrs, err := net.Interfaces()
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// if err != nil {
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// return "", fmt.Errorf("failed to get network interfaces: %w", err)
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// }
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// var preferredIP net.IP
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// for _, iface := range addrs {
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// if iface.Flags&net.FlagUp == 0 {
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// // Skip interfaces that are not up
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// continue
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// }
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// ifAddrs, err := iface.Addrs()
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// if err != nil {
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// continue // Ignore this interface if we can't get its addresses
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// }
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// for _, addr := range ifAddrs {
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// var ip net.IP
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// switch v := addr.(type) {
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// case *net.IPNet:
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// ip = v.IP
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// case *net.IPAddr:
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// ip = v.IP
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// default:
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// continue
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// }
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// if ip.IsLoopback() {
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// continue // Skip loopback addresses
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// }
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// if ip.To4() != nil && (ip.IsPrivate() || ip.IsGlobalUnicast()) {
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// // Prefer global unicast or private addresses over link-local
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// preferredIP = ip
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// break
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// }
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// }
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// if preferredIP != nil {
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// // Found a preferred IP, break out of the loop
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// break
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// }
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// }
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// if preferredIP == nil {
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// return "", fmt.Errorf("no preferred non-loopback IPv4 address found")
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// }
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// return preferredIP.String(), nil
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// }
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