def resolve(self, request, handler):
qtype = request.q.qtype
qname = str(request.q.qname)
try:
self.watching[qtype][qname].set()
except (KeyError, AttributeError):
pass
return ZoneResolver.resolve(self, request, handler)
def resolve(self, request, handler):
reply = ZoneResolver.resolve(self, request, handler)
if reply.header.rcode == RCODE.NXDOMAIN and self.upstream:
try:
if handler.protocol == 'udp':
proxy_r = request.send(self.upstream, self.upstream_port,
timeout=self.timeout)
else:
proxy_r = request.send(self.upstream, self.upstream_port,
tcp=True, timeout=self.timeout)
reply = DNSRecord.parse(proxy_r)
except socket.timeout:
reply.header.rcode = RCODE.SERVFAIL
return reply