[pysnmp-users] pysnmp twisted

[Ildar H. <hi...@vy...>]

Hello,

I took a simple example.with one host it works fine, but a lot of hosts 
handled by only the first of the list :(

my code: http://pastebin.ca/2008527

twisted 10.1.0
pysnmp 4.1.13a

with tcpdump i looking send and receive packets to all host, but code 
receive only one host
15:19:12.496230 IP 192.168.22.240.54314 > 10.24.0.9.161:  C=public 
GetRequest(25)  .1.3.6.1.2.1.1.1.0
15:19:12.497548 IP 10.24.0.9.161 > 192.168.22.240.54314:  C=public 
GetResponse(285)  .1.3.6.1.2.1.1.1.0=[|snmp]
15:19:12.535949 IP 192.168.22.240.54314 > 10.24.0.1.161:  C=public 
GetRequest(25)  .1.3.6.1.2.1.1.1.0
15:19:12.538180 IP 10.24.0.1.161 > 192.168.22.240.54314:  C=public 
GetResponse(217)  .1.3.6.1.2.1.1.1.0=[|snmp]

error traceback:

$ python tsnmptest.py
{'host': '10.24.0.9', 'community': 'public'}
{'host': '10.24.0.1', 'community': 'public'}
1.3.6.1.2.1.1.1.0 = Cisco IOS Software, C3550 Software 
(C3550-IPSERVICESK9-M), Version 12.2(35)SE, RELEASE SOFTWARE (fc2)
Copyright (c) 1986-2006 by Cisco Systems, Inc.
Compiled Sun 03-Dec-06 14:34 by yenanh
Unhandled error in Deferred:
Traceback (most recent call last):
   File "/usr/lib/python2.6/site-packages/twisted/internet/base.py", 
line 1165, in run
     self.mainLoop()
   File "/usr/lib/python2.6/site-packages/twisted/internet/base.py", 
line 1174, in mainLoop
     self.runUntilCurrent()
   File "/usr/lib/python2.6/site-packages/twisted/internet/base.py", 
line 796, in runUntilCurrent
     call.func(*call.args, **call.kw)
   File "/usr/lib/python2.6/site-packages/twisted/internet/task.py", 
line 194, in __call__
     d = defer.maybeDeferred(self.f, *self.a, **self.kw)
--- <exception caught here> ---
   File "/usr/lib/python2.6/site-packages/twisted/internet/defer.py", 
line 125, in maybeDeferred
     result = f(*args, **kw)
   File 
"/usr/lib/python2.6/site-packages/pysnmp/carrier/twisted/dispatch.py", 
line 25, in handleTimeout
     self.handleTimerTick(time())
   File "/usr/lib/python2.6/site-packages/pysnmp/carrier/base.py", line 
82, in handleTimerTick
     timerCbFun(timeNow)
   File "/usr/lib/python2.6/site-packages/pysnmp/entity/engine.py", line 
64, in __receiveTimerTickCbFun
     self.msgAndPduDsp.receiveTimerTick(self, timeNow)
   File "/usr/lib/python2.6/site-packages/pysnmp/proto/rfc3412.py", line 
513, in receiveTimerTick
     self.__cacheExpire(snmpEngine, self.__expireRequest)
   File "/usr/lib/python2.6/site-packages/pysnmp/proto/rfc3412.py", line 
63, in __cacheExpire
     if cbFun(snmpEngine, cachedParams):
   File "/usr/lib/python2.6/site-packages/pysnmp/proto/rfc3412.py", line 
508, in __expireRequest
     cbCtx
   File 
"/usr/lib/python2.6/site-packages/pysnmp/entity/rfc3413/cmdgen.py", line 
61, in processResponsePdu
     cbCtx)
exceptions.TypeError: 'NoneType' object is not callable