dnsmsg

type DefaultMessageConstructor struct{}

type MessageConstructor interface {
	// NewMsgNXDOMAIN creates a new response message replying to req with the
	// NXDOMAIN code.
	NewMsgNXDOMAIN(req *dns.Msg) (resp *dns.Msg)

	// NewMsgSERVFAIL creates a new response message replying to req with the
	// SERVFAIL code.
	NewMsgSERVFAIL(req *dns.Msg) (resp *dns.Msg)

	// NewMsgNOTIMPLEMENTED creates a new response message replying to req with
	// the NOTIMPLEMENTED code.
	NewMsgNOTIMPLEMENTED(req *dns.Msg) (resp *dns.Msg)

	// NewMsgNODATA creates a new empty response message replying to req with
	// the NOERROR code.
	//
	// See https://www.rfc-editor.org/rfc/rfc2308#section-2.2.
	NewMsgNODATA(req *dns.Msg) (resp *dns.Msg)
}