twisted.names.root

Package twisted :: Package names :: Module root

Module twisted.names.root

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

API Stability: Unstable

@author U{Jp Calderone<mailto:exarkun@twistedmatrix.com>}

todo: robustify it
      break discoverAuthority into several smaller functions
      documentation

Classes
`_DummyController`
`DeferredResolver`
`Resolver`

Function Summary
	`bootstrap(resolver)` Lookup the root nameserver addresses using the given resolver
	`discoverAuthority(host, roots, cache, p)`
	`extractAuthority(msg, cache)`
	`lookupAddress(host, atServer, p)`
	`lookupNameservers(host, atServer, p)`
	`makePlaceholder(deferred, name)`
	`retry(t, p, *args)`

Function Details

bootstrap(resolver)

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.

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