t.n.root : module documentation

Resolver implementation for querying successive authoritative servers to lookup a record, starting from the root nameservers.

Author

Jp Calderone

todo:

   robustify it
   documentation

Function	retry	Issue a query one or more times.
Class	Resolver	`Resolver` implements recursive lookup starting from a specified list of
Function	lookupNameservers	Undocumented
Function	lookupAddress	Undocumented
Function	extractAuthority	Undocumented
Function	discoverAuthority	Undocumented
Function	makePlaceholder	Undocumented
Class	DeferredResolver	Undocumented
Function	bootstrap	Lookup the root nameserver addresses using the given resolver
Class	_DummyController	A do-nothing DNS controller. This is useful when all messages received

def retry(t, p, *args): (source)

Issue a query one or more times.

This function is deprecated. Use one of the resolver classes for retry logic, or implement it yourself.

def lookupNameservers(host, atServer, p=None): (source)

Undocumented

def lookupAddress(host, atServer, p=None): (source)

Undocumented

def extractAuthority(msg, cache): (source)

Undocumented

def discoverAuthority(host, roots, cache=None, p=None): (source)

Undocumented

def makePlaceholder(deferred, name): (source)

Undocumented

def bootstrap(resolver): (source)

Lookup the root nameserver addresses using the given resolver

Return a Resolver which will eventually become a root.Resolver instance that has references to all the root servers that we were able to look up.

API Documentation for Twisted, generated by pydoctor at 2010-03-06 12:41:43.