def get_object_type(self, snmp_engine):
mib_view = CommandGeneratorVarBinds().getMibViewController(
snmpEngine=snmp_engine)
object_identity = self._create_object_identity()
object_type = ObjectType(object_identity, self.value)
object_type.resolveWithMib(mib_view)
return object_type
def snmpRecvCallback(dispatcher, domain, address, msg):
logger = logging.getLogger("apctrap")
while msg:
version = int(api.decodeMessageVersion(msg))
if version in api.protoModules: module = api.protoModules[version]
else:
logger.error("SYSTEM\tERROR | Unsupported SNMP Version")
return
req, msg = decoder.decode(msg, asn1Spec=module.Message())
logger.info("NOTIFICATION\t{} | {}".format(address, domain))
pdu = module.apiMessage.getPDU(req)
if not pdu.isSameTypeWith(module.TrapPDU()): continue
if version == api.protoVersion1:
varBinds = module.apiTrapPDU.getVarBindList(pdu)
else:
varBinds = module.apiPDU.getVarBindList(pdu)
for v, b in varBinds:
key = '.'.join([str(i) for i in v._value])
value = b.getComponent('simple')._value
parsed = ObjectType(ObjectIdentity(key), value)
try:
parsed.resolveWithMib(viewController)
except Exception as e:
logger.warning(
"TRAP\tERROR | Failed to resolve symbol ({}={})".format(
key, value))
continue
key, value = parsed.prettyPrint().split(" = ")
logger.info("TRAP\t{} | {}".format(key, value))
if key == "PowerNet-MIB::mtrapargsString.0":
message = value
for contact in contacts['contacts']:
phoneNumber = contact['phoneNumber']
_redis.publish(
'sms',
json.dumps(
dict(phoneNumber=phoneNumber, message=message)))
return msg
def snmpRecvCallback(dispatcher, domain, address, msg):
logger=logging.getLogger("apctrap")
while msg:
version=int(api.decodeMessageVersion(msg))
if version in api.protoModules: module=api.protoModules[version]
else:
logger.error("SYSTEM\tERROR | Unsupported SNMP Version")
return
req,msg=decoder.decode(msg, asn1Spec=module.Message())
logger.info("NOTIFICATION\t{} | {}".format(address, domain))
pdu=module.apiMessage.getPDU(req)
if not pdu.isSameTypeWith(module.TrapPDU()): continue
if version==api.protoVersion1:
varBinds=module.apiTrapPDU.getVarBindList(pdu)
else: varBinds=module.apiPDU.getVarBindList(pdu)
for v,b in varBinds:
key='.'.join([str(i) for i in v._value])
value=b.getComponent('simple')._value
parsed=ObjectType(ObjectIdentity(key), value)
try: parsed.resolveWithMib(viewController)
except Exception as e:
logger.warning("TRAP\tERROR | Failed to resolve symbol ({}={})".format(key,value))
continue
key,value=parsed.prettyPrint().split(" = ")
logger.info("TRAP\t{} | {}".format(key,value))
if key=="PowerNet-MIB::mtrapargsString.0":
message=value
for contact in contacts['contacts']:
phoneNumber=contact['phoneNumber']
_redis.publish('sms', json.dumps(dict(phoneNumber=phoneNumber, message=message)))
return msg
class SnmpResponse(object):
def __init__(self, oid, value, snmp_engine, logger):
self._raw_oid = oid
self._snmp_mib_translator = CommandGeneratorVarBinds.getMibViewController(
snmp_engine)
self._logger = logger
self._mib_id = None
self._mib_name = None
self._index = None
self._raw_value = value
self._object_id = ObjectIdentity(self._raw_oid)
self._object_type = ObjectType(self._object_id, self._raw_value)
@property
def _object_identity(self):
if not self._object_id.isFullyResolved():
self._object_id.resolveWithMib(self._snmp_mib_translator)
return self._object_id
@property
def object_type(self):
if not self._object_type.isFullyResolved():
self._object_type.resolveWithMib(self._snmp_mib_translator)
return self._object_type
@property
def raw_value(self):
return self._raw_value
@property
def oid(self):
return self._object_identity.getOid()
@property
def mib_name(self):
if not self._mib_name:
self._get_oid()
return self._mib_name
@property
def mib_id(self):
if not self._mib_id:
self._get_oid()
return self._mib_id
@property
def index(self):
if not self._index:
self._get_oid()
return self._index
@property
def safe_value(self):
result = ""
try:
result = self.value or ""
except TranslateSNMPException:
pass
return result
@property
def value(self):
try:
if self._raw_value is None or not self.object_type:
return
if hasattr(self.object_type[1], "prettyPrint"):
value = self.object_type[1].prettyPrint()
else:
value = str(self.object_type[1])
if value.lower().startswith("0x"):
value = str(self._raw_value)
return value
except (PySnmpError, SmiError):
raise TranslateSNMPException("Error parsing snmp response")
def _get_oid(self):
oid = self._object_identity.getMibSymbol()
self._mib_name = oid[0]
self._mib_id = oid[1]
if isinstance(oid[-1], tuple):
self._index = ".".join(map(lambda x: x.prettyPrint(), oid[-1]))
def __str__(self):
return self.safe_value
def __repr__(self):
return self.__str__()