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24 lines
486 B
Go
24 lines
486 B
Go
package outbounds
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import "net"
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// splitIPv4IPv6 gets the first IPv4 and IPv6 address from a list of IP addresses.
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// Both of the return values can be nil when no IPv4 or IPv6 address is found.
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func splitIPv4IPv6(ips []net.IP) (ipv4, ipv6 net.IP) {
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for _, ip := range ips {
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if ip.To4() != nil {
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if ipv4 == nil {
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ipv4 = ip
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}
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} else {
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if ipv6 == nil {
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ipv6 = ip
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}
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}
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if ipv4 != nil && ipv6 != nil {
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// We have everything we need.
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break
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}
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}
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return
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}
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