def walk(self, query="1.3.6.1.2.1.1.1.0"):
"""Performs an SNMP walk operation.
:param query: root OID for walk
:returns: A list of (response_oid, value) pairs.
"""
result = []
root_oid = OID(query)
current_oid = root_oid
while 1:
response = self.handle.sgetnext(current_oid)
if response is None:
break
response_oid, value = response.items()[0]
if value is None:
break
current_oid = OID(response_oid)
if (not root_oid.is_a_prefix_of(current_oid)
or current_oid == root_oid):
break
if isinstance(value, tuple):
value = str(OID(value))[1:]
result.append((str(current_oid)[1:], value))
return result
def bulkwalk(self, query="1.3.6.1.2.1.1.1.0", strip_prefix=False):
"""Performs an SNMP walk on the host, using GETBULK requests.
Will raise an UnsupportedSnmpVersionError if the current
version is anything other than 2c.
:param query: root OID for walk
:param strip_prefix: A boolean. Set to True to strip the query prefix
from the OIDs in the response. Default is False.
:returns: A list of (response_oid, value) pairs,
where the query prefix has been stripped from the
response_oids.
"""
if str(self.version) != "2c":
raise errors.UnsupportedSnmpVersionError(
"Cannot use BULKGET in SNMP version " + self.version)
result = []
root_oid = OID(query)
current_oid = root_oid
while 1:
response = self.handle.sgetbulk(self.NON_REPEATERS,
self.MAX_REPETITIONS,
[current_oid])
if response is None:
break
for response_oid, value in response:
if value is None:
return result
current_oid = OID(response_oid)
if (not root_oid.is_a_prefix_of(current_oid)
or current_oid == root_oid):
return result
if isinstance(value, tuple):
value = str(OID(value))[1:]
result.append((str(current_oid)[1:], value))
return result
