def bulkwalk(self, host, oids, callback, errback):
"""Gathers all rows for the given objects in a table.
A single SNMP GETBULK is not guaranteed to get all the objects
referred to by the OID in a table. `bulkwalk` implements a simple
mechanism for gathering all rows for the given OIDs using GETBULK
messages multiple times if necessary."""
try:
session = self.sessions[host]
except KeyError:
raise PollerError("no session defined for %s" % host)
oids = [o for o in oids] # make a copy of the oids list
oid = oids.pop(0)
#print "oid >%s<" % (oid)
noid = str_to_oid(oid) # avoid the noid!
if noid is None:
# XXX tell someone: raise exception?
self.log.error("unable to resolve OID: %s" % oid)
return
noid = tuple(noid)
pollreq = PollRequest('bulkwalk', callback, errback,
walk_oid=noid, additional_oids=oids)
reqid = self.sessions[host].async_getbulk(
0, self.maxrepetitions, [oid])
self.reqmap[reqid] = pollreq
def bulkwalk(self, host, oids, callback, errback):
"""Gathers all rows for the given objects in a table.
A single SNMP GETBULK is not guaranteed to get all the objects
referred to by the OID in a table. `bulkwalk` implements a simple
mechanism for gathering all rows for the given OIDs using GETBULK
messages multiple times if necessary."""
try:
session = self.sessions[host]
except KeyError:
raise PollerError("no session defined for %s" % host)
oids = [o for o in oids] # make a copy of the oids list
oid = oids.pop(0)
#print "oid >%s<" % (oid)
noid = str_to_oid(oid) # avoid the noid!
if noid is None:
# XXX tell someone: raise exception?
self.log.error("unable to resolve OID: %s" % oid)
return
noid = tuple(noid)
pollreq = PollRequest('bulkwalk',
callback,
errback,
walk_oid=noid,
additional_oids=oids)
reqid = self.sessions[host].async_getbulk(0, self.maxrepetitions,
[oid])
self.reqmap[reqid] = pollreq
def _callback(self, manager, slot, session, reqid, r):
"""_callback manages reponses, performing coalescing for bulkwalks."""
pollreq = self.reqmap[reqid]
#print "_callback yo!", pollreq.type, len(r), type(r)
#for d in r:
# print " %s %s" % (oid_to_str(d[0]), str(d[1]))
if len(r) == 0:
#print "_callback NO DATA!!!?!?!?! WTF?!?!?!?!"
return
if pollreq.type != 'bulkwalk':
pollreq.callback(r)
#print "_callback wtf!"
else:
last = ''
done = False
for last, v in r:
if last[:len(pollreq.walk_oid)] != pollreq.walk_oid:
done = True
break
soid = oid_to_str(last).split('::')[-1]
pollreq.results.append((soid, v))
if done:
#print '_callback bulkwalk done', last
if pollreq.additional_oids:
#print "MORE", pollreq.additional_oids
oid = pollreq.additional_oids.pop(0)
#print "2>%s<" % oid
pollreq.walk_oid = tuple(str_to_oid(oid))
new_reqid = self.sessions[session].async_getbulk(0,
self.maxrepetitions, [oid])
self.reqmap[new_reqid] = pollreq
else:
pollreq.callback(pollreq.results)
else:
#print '_callback bulkwalk not done', last, oid_to_str(last)
# get more data
new_reqid = self.sessions[session].async_getbulk(0,
self.maxrepetitions, [last])
self.reqmap[new_reqid] = pollreq
del self.reqmap[reqid]
def _callback(self, manager, slot, session, reqid, r):
"""_callback manages reponses, performing coalescing for bulkwalks."""
pollreq = self.reqmap[reqid]
#print "_callback yo!", pollreq.type, len(r), type(r)
#for d in r:
# print " %s %s" % (oid_to_str(d[0]), str(d[1]))
if len(r) == 0:
#print "_callback NO DATA!!!?!?!?! WTF?!?!?!?!"
return
if pollreq.type != 'bulkwalk':
pollreq.callback(r)
#print "_callback wtf!"
else:
last = ''
done = False
for last, v in r:
if last[:len(pollreq.walk_oid)] != pollreq.walk_oid:
done = True
break
soid = oid_to_str(last).split('::')[-1]
pollreq.results.append((soid, v))
if done:
#print '_callback bulkwalk done', last
if pollreq.additional_oids:
#print "MORE", pollreq.additional_oids
oid = pollreq.additional_oids.pop(0)
#print "2>%s<" % oid
pollreq.walk_oid = tuple(str_to_oid(oid))
new_reqid = self.sessions[session].async_getbulk(
0, self.maxrepetitions, [oid])
self.reqmap[new_reqid] = pollreq
else:
pollreq.callback(pollreq.results)
else:
#print '_callback bulkwalk not done', last, oid_to_str(last)
# get more data
new_reqid = self.sessions[session].async_getbulk(
0, self.maxrepetitions, [last])
self.reqmap[new_reqid] = pollreq
del self.reqmap[reqid]