def resolve(self, name, timeout = (1, 3, 11, 45)): """Return a Deferred that will resolve a hostname. """ if not name: # XXX - This is *less than* '::', and will screw up IPv6 servers return defer.succeed('0.0.0.0') if abstract.isIPAddress(name): return defer.succeed(name) return self.resolver.getHostByName(name, timeout)
def getHostByName(self, name, timeout = (1, 3, 11, 45)): try: address = socket.gethostbyname(name) except socket.error: msg = "address %r not found" % (name,) err = error.DNSLookupError(msg) return defer.fail(err) else: return defer.succeed(address)