25 lines
520 B
Go
25 lines
520 B
Go
package net
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import (
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"net"
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"strconv"
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)
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// TrulyAddr returns the truly address of the listener.
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func TrulyAddr(addr string, l net.Listener) string {
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host, port, err := net.SplitHostPort(addr)
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if err != nil && l == nil {
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return ""
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}
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if l != nil {
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if taddr, ok := l.Addr().(*net.TCPAddr); ok {
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port = strconv.Itoa(taddr.Port)
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}
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}
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if len(host) > 0 && (host != "0.0.0.0" && host != "[::]" && host != "::") {
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return net.JoinHostPort(host, port)
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}
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host = LocalIP()
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return net.JoinHostPort(host, port)
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}
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