def snmp_v1_get(self, address, community, oid):
"""
Perform SNMP v1 GET and return result
:param address: IP address
:param community: SNMP v2c community
:param oid: Resolved oid
:returns: Result as a string, or None, when no response
"""
self.logger.debug("SNMP v1 GET %s %s", address, oid)
try:
result = yield snmp_get(
address=address,
oids=oid,
community=community,
version=SNMP_v1,
tos=config.activator.tos,
ioloop=self.service.ioloop,
)
self.logger.debug("SNMP GET %s %s returns %s", address, oid,
result)
except SNMPError as e:
metrics["error", ("type", "snmp_v1_error")] += 1
result = None
self.logger.debug("SNMP GET %s %s returns error %s", address, oid,
e)
raise tornado.gen.Return(result)
def poll_worker(self, community, oid, timeout, version):
while True:
a = yield self.queue.get()
if a:
for c in community:
t0 = perf_counter()
try:
r = yield snmp_get(
address=a, oids=oid, community=c, version=version, timeout=timeout
)
s = "OK"
dt = perf_counter() - t0
mc = c
break
except SNMPError as e:
s = "FAIL"
r = str(e)
dt = perf_counter() - t0
mc = ""
except Exception as e:
s = "EXCEPTION"
r = str(e)
dt = perf_counter() - t0
mc = ""
break
if self.convert:
try:
r = MACAddressParameter().clean(r)
except ValueError:
pass
self.stdout.write("%s,%s,%s,%s,%r\n" % (a, s, dt, mc, r))
self.queue.task_done()
if not a:
break
def run():
try:
self.result = yield snmp_get(
address=self.script.credentials["address"],
oids=oids,
community=str(self.script.credentials["snmp_ro"]),
tos=self.script.tos,
ioloop=self.get_ioloop(),
udp_socket=self.get_socket(),
version=version,
raw_varbinds=raw_varbinds)
self.timeouts = self.timeouts_limit
except SNMPError as e:
if e.code == TIMED_OUT:
if self.timeouts_limit:
self.timeouts -= 1
if not self.timeouts:
raise self.FatalTimeoutError()
raise self.TimeOutError()
else:
raise
