response

Documentation

Index

• type Class
  • func ClassFromString(s string) (Class, error)
  • func Classify(t Type) Class
  • func (c Class) String() string
• type Type
  • func TypeFromString(s string) (Type, error)
  • func Typify(m *dns.Msg, t time.Time) (Type, *dns.OPT)
  • func (t Type) String() string

Types

type Class

type Class int

Class holds sets of Types

const (
	// All is a meta class encompassing all the classes.
	All Class = iota
	// Success is a class for a successful response.
	Success
	// Denial is a class for denying existence (NXDOMAIN, or a nodata: type does not exist)
	Denial
	// Error is a class for errors, right now defined as not Success and not Denial
	Error
)

func ClassFromString

func ClassFromString(s string) (Class, error)

ClassFromString returns the class from the string s. If not class matches the All class and an error are returned

func Classify

func Classify(t Type) Class

Classify classifies the Type t, it returns its Class.

func (Class) String

func (c Class) String() string

type Type

type Type int

Type is the type of the message.

const (
	// NoError indicates a positive reply
	NoError Type = iota
	// NameError is a NXDOMAIN in header, SOA in auth.
	NameError
	// ServerError is a set of errors we want to cache, for now it contains SERVFAIL and NOTIMPL.
	ServerError
	// NoData indicates name found, but not the type: NOERROR in header, SOA in auth.
	NoData
	// Delegation is a msg with a pointer to another nameserver: NOERROR in header, NS in auth, optionally fluff in additional (not checked).
	Delegation
	// Meta indicates a meta message, NOTIFY, or a transfer:  qType is IXFR or AXFR.
	Meta
	// Update is an dynamic update message.
	Update
	// OtherError indicates any other error: don't cache these.
	OtherError
)

func TypeFromString

func TypeFromString(s string) (Type, error)

TypeFromString returns the type from the string s. If not type matches the OtherError type and an error are returned.

func Typify

func Typify(m *dns.Msg, t time.Time) (Type, *dns.OPT)

Typify classifies a message, it returns the Type.

func (Type) String

func (t Type) String() string