t.n.d.DNSDatagramProtocol(DNSMixin, protocol.DatagramProtocol) : class documentation

DNS protocol over UDP.

Method	stopProtocol	Stop protocol: reset state variables.
Method	startProtocol	Upon start, reset internal state.
Method	writeMessage	Send a message holding DNS queries.
Method	startListening	Undocumented
Method	datagramReceived	Read a datagram, extract the message in it and trigger the associated Deferred.
Method	removeResend	Mark message ID as no longer having duplication suppression.
Method	query	Send out a message with the given queries.

Inherited from DNSMixin:

Method	__init__	Undocumented
Method	pickID	Return a unique ID for queries.
Method	callLater	Wrapper around reactor.callLater, mainly for test purpose.
Instance Variable	_reactor	A IReactorTime and IReactorUDP provider which will be used to issue DNS queries and manage request timeouts.
Method	_query	Send out a message with the given queries.
Method	_clearFailed	Clean the Deferred after a timeout.

Inherited from DatagramProtocol:

Instance Variable	transport	The transport with which this protocol is associated, if it is associated with one. (type: NoneType or IUDPTransport provider)
Method	logPrefix	Return a prefix matching the class name, to identify log messages related to this protocol instance.
Method	connectionRefused	Called due to error from write in connected mode.

Inherited from AbstractDatagramProtocol (via DatagramProtocol):

Method	__getstate__	Undocumented
Method	doStart	Make sure startProtocol is called.
Method	doStop	Make sure stopProtocol is called.
Method	makeConnection	Make a connection to a transport and a server.