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package forward
// Copied from coredns/core/dnsserver/address.go
import (
"strings"
)
// protocol returns the protocol of the string s. The second string returns s
// with the prefix chopped off.
func protocol(s string) (int, string) {
switch {
case strings.HasPrefix(s, _tls+"://"):
return TLS, s[len(_tls)+3:]
case strings.HasPrefix(s, _dns+"://"):
return DNS, s[len(_dns)+3:]
}
return DNS, s
}
// Supported protocols.
const (
DNS = iota + 1
TLS
)
const (
_dns = "dns"
_tls = "tls"
)
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