1package dns 2 3//go:generate go run duplicate_generate.go 4 5// IsDuplicate checks of r1 and r2 are duplicates of each other, excluding the TTL. 6// So this means the header data is equal *and* the RDATA is the same. Return true 7// is so, otherwise false. 8// It's is a protocol violation to have identical RRs in a message. 9func IsDuplicate(r1, r2 RR) bool { 10 if r1.Header().Class != r2.Header().Class { 11 return false 12 } 13 if r1.Header().Rrtype != r2.Header().Rrtype { 14 return false 15 } 16 if !isDulicateName(r1.Header().Name, r2.Header().Name) { 17 return false 18 } 19 // ignore TTL 20 21 return isDuplicateRdata(r1, r2) 22} 23 24// isDulicateName checks if the domain names s1 and s2 are equal. 25func isDulicateName(s1, s2 string) bool { return equal(s1, s2) } 26