def walk(self, host, starting_oid=None, port=161, timeout=10, max_initial_failures=1, max_consequtive_failures=3):
"""Walks the MIB from the given starting oid, returns a list of (oid, object) tuples"""
# TODO: perhaps an OrderedDict is more appropriate?
responses = []
attempts_remaining = max_initial_failures
datagram = SNMPDatagram(pdu=GetNextRequest.from_oid(starting_oid))
while attempts_remaining:
future = self.sendto(datagram, host, port)
try:
response = yield from asyncio.wait_for(future, timeout=timeout)
except asyncio.TimeoutError:
logging.debug("Timeout for GetNextRequest(%s, %s)", host, datagram.pdu.oid)
if isinstance(attempts_remaining, int):
attempts_remaining -= 1
else:
assert isinstance(response.pdu, GetResponse)
attempts_remaining = max_consequtive_failures
logging.debug("Response from host %s: %s=%s", host, response.pdu.oid, response.pdu.response)
if datagram.pdu.oid == response.pdu.oid:
# end of mib condition
break
else:
responses.append((response.pdu.oid, response.pdu.response))
pdu = GetNextRequest.from_oid(response.pdu.oid)
datagram = SNMPDatagram(pdu=pdu)
# else:
# raise ExceededRetries('Maximum retries exceeded')
return responses
def walk(self,
host,
starting_oid=None,
port=161,
timeout=10,
max_initial_failures=1,
max_consequtive_failures=3):
"""Walks the MIB from the given starting oid, returns a list of (oid, object) tuples"""
# TODO: perhaps an OrderedDict is more appropriate?
responses = []
attempts_remaining = max_initial_failures
datagram = SNMPDatagram(pdu=GetNextRequest.from_oid(starting_oid))
while attempts_remaining:
future = self.sendto(datagram, host, port)
try:
response = yield from asyncio.wait_for(future, timeout=timeout)
except asyncio.TimeoutError:
logging.debug("Timeout for GetNextRequest(%s, %s)", host,
datagram.pdu.oid)
if isinstance(attempts_remaining, int):
attempts_remaining -= 1
else:
assert isinstance(response.pdu, GetResponse)
attempts_remaining = max_consequtive_failures
logging.debug("Response from host %s: %s=%s", host,
response.pdu.oid, response.pdu.response)
if datagram.pdu.oid == response.pdu.oid:
# end of mib condition
break
else:
responses.append((response.pdu.oid, response.pdu.response))
pdu = GetNextRequest.from_oid(response.pdu.oid)
datagram = SNMPDatagram(pdu=pdu)
# else:
# raise ExceededRetries('Maximum retries exceeded')
return responses
def get_next(self, host, oid=system, port=161):
"""Creates GetNextResponse PDU / datagram and returns a Future"""
pdu = GetNextRequest.from_oid(oid)
datagram = SNMPDatagram(pdu=pdu)
return self.sendto(datagram, host, port)
def get_next(self, host, oid=system, port=161):
"""Creates GetNextResponse PDU / datagram and returns a Future"""
pdu = GetNextRequest.from_oid(oid)
datagram = SNMPDatagram(pdu=pdu)
return self.sendto(datagram, host, port)
