refactoring

abstract/abstract.go

@@ -0,0 +1,16 @@
+package abstract
+import "github.com/miekg/dns"
+
+type Backend interface {
+  // Lookup all resource records having a given fully-qualified owner name,
+  // regardless of type or class. Returns a slice of all those resource records
+  // or an error.
+  //
+  // The returned slice may contain both authoritative and non-authoritative records
+  // (for example, NS records for delegations and glue records.)
+  //
+  // The existence of wildcard records will be determined by doing a lookup for a name
+  // like "*.example.com", so there is no need to process the wildcard logic other than
+  // to make sure such a lookup functions correctly.
+  Lookup(qname string) (rrs []dns.RR, err error)
+}