def do_query(self, q, ip):
"""do_query(self, q, ip)
Execute a request to the given IP.
q is a query tuple of (qname, qtype, qclass, recursion)
This will generate the query ID.
Returns a dns_reply object.
"""
if self.outstanding_sem.avail <= 0:
# we've hit a system resource limit
LOG ('limit', self.max_outstanding)
self.outstanding_sem.acquire(1)
try:
qid = dns_random (65536)
reply = self.send_request ((qid, ip, q))
if reply.tc:
# truncated, try tcp
qid = dns_random (65536)
return self.send_request ((qid, ip, q), use_tcp=1)
else:
return reply
finally:
self.outstanding_sem.release(1)
def do_query(self, q, ip):
"""do_query(self, q, ip)
Execute a request to the given IP.
q is a query tuple of (qname, qtype, qclass, recursion)
This will generate the query ID.
Returns a dns_reply object.
"""
if self.outstanding_sem.avail<=0:
# we've hit a system resource limit
# we use max_outstanding twice here because the log message wants "current" and "max"
# but these are always going to be the same in the dns server
self.log('DNS.LIMIT', self.max_outstanding, self.max_outstanding)
self.outstanding_sem.acquire(1)
try:
qid = dns_random (65536)
reply = self.send_request ((qid, ip, q))
if reply.tc:
# truncated, try tcp
qid = dns_random (65536)
return self.send_request ((qid, ip, q), use_tcp=1)
else:
return reply
finally:
self.outstanding_sem.release(1)
def do_query(self, q, ip):
"""do_query(self, q, ip)
Execute a request to the given IP.
q is a query tuple of (qname, qtype, qclass, recursion)
This will generate the query ID.
Returns a dns_reply object.
"""
if self.outstanding_sem.avail <= 0:
# we've hit a system resource limit
# we use max_outstanding twice here because the log message wants "current" and "max"
# but these are always going to be the same in the dns server
self.log('DNS.LIMIT', self.max_outstanding, self.max_outstanding)
self.outstanding_sem.acquire(1)
try:
qid = dns_random(65536)
reply = self.send_request((qid, ip, q))
if reply.tc:
# truncated, try tcp
qid = dns_random(65536)
return self.send_request((qid, ip, q), use_tcp=1)
else:
return reply
finally:
self.outstanding_sem.release(1)
