[AGENT++] subagent mib register with context and net-snmp does not work?
Frank Fock
fock at agentpp.com
Fri Aug 6 22:05:31 CEST 2010
Hi Claus,
The log shows that the context is correctly processed by the subagent.
It seems to some other problem. Have switched all the workarounds for
NET-SNMP master agent bugs?
Best regards,
Frank
Am 06.08.2010 um 20:26 schrieb Claus Klein <claus.klein at arcormail.de>:
> Hi Frank,
>
> the registration works with context, but the walk does not!
>
> Here is the agentX++/example subagent debug output when I do the
> following:
>
> claus-kleins-macbook-pro:net-snmp-5.5 clausklein$ snmpwalk -r 0 -v3
> -u claus localhost vacmContextTable
> SNMP-VIEW-BASED-ACM-MIB::vacmContextName."" = STRING:
> SNMP-VIEW-BASED-ACM-MIB::vacmContextName."subagent" = STRING: subagent
> claus-kleins-macbook-pro:net-snmp-5.5 clausklein$ snmpwalk -r 0 -v3
> -u claus localhost sysUpTime.0
> DISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks: (294812) 0:49:08.12
> claus-kleins-macbook-pro:net-snmp-5.5 clausklein$ snmpwalk -r 0 -O n
> -v3 -u claus -n subagent localhost sysUpTime.0
> Timeout: No Response from localhost
> claus-kleins-macbook-pro:net-snmp-5.5 clausklein$
>
> #########################################
>
> 20100806.20:08:58: 11451: (1)INFO : SubAgentXMib: PING response
> received (sid)(tid)(pid)(uptime): (5), (10), (20), (297992)
> 20100806.20:09:00: 11451: (4)DEBUG : AgentXSlave: received
> something on ports
> 20100806.20:09:00: 11451: (2)EVENT : AgentXRequestList: request
> received (context)(tid)(pid)(siz)(type)(err)(status): (subagent),
> (96), (97), (0), (6), (0), (0)
> 20100806.20:09:00: 11451: (1)DEBUG : TaskManager: task manager found
> 20100806.20:09:00: 11451: (2)DEBUG : TaskManager: after notify
> 20100806.20:09:00: 11451: (2)EVENT : SubAgent: starting thread
> execution
> 20100806.20:09:00: 11451: (2)EVENT : SubAgentXMib: GETNEXT (tid)
> (pid)(oid)...: (96), (97), ( 31 2E 33 2E 36 2E 31 2E 32 2E 31 2E 31
> 2E 33 2E 1.3.6.1.2.1.1.3.
> 30 00 00 00 00 00 00 00 00 00 00 00 01 00 08 00 0...............
> 00 00 00 00 03 00 00 C0 F3 00 00 00 01 00 00 00 ................
> 01 00 ..
> )
> 20100806.20:09:00: 11451: (3)EVENT : Mib: process subrequest:
> getnext request, oid: (96), (1.3.6.1.2.1.1.3.0)
> 20100806.20:09:00: 11451: (3)DEBUG : SubAgentXMib: find next (lower)
> (upper)(incl)(succ): (1.3.6.1.2.1.1.3.0), (1.3.6.1.2.1.1.3.1),
> (FALSE), (1.3.6.1.4.1.4976.6.1.1.2.71)
> 20100806.20:09:00: 11451: (3)DEBUG : SubAgentXMib: find next (failed)
> 20100806.20:09:00: 11451: (3)EVENT : RequestList: finished
> subrequest (ind)(oid)(val)(syn): (0), (1.3.6.1.2.1.1.3.0), (), (130)
> 20100806.20:09:00: 11451: (3)EVENT : AgentX: sending agentx pdu (sd)
> (type)(sid)(tid)(pid)(err)(errind): (3), (18), (5), (96), (97), (0),
> (0)
> 20100806.20:09:00: 11451: (4)EVENT : RequestListAgentX: request
> answered (id)(status)(tid)(err)(removed)(sz): (96), (0), (96), (0),
> (1), (1)
> 20100806.20:09:00: 11451: (2)EVENT : Agent: finished thread execution
> 20100806.20:09:05: 11451: (4)DEBUG : AgentXSlave: received
> something on ports
> 20100806.20:09:05: 11451: (1)ERROR : AgentXSlave: lost connection
> with master
> 20100806.20:09:05: 11451: (1)DEBUG : Thread: ended (tid):
> (-1342033920)
> 20100806.20:09:05: 11451: (4)DEBUG : Thread: joined thread
> successfully (tid): (-1342033920)
> 20100806.20:09:05: 11451: (1)DEBUG : Thread: ended (tid):
> (-1342107648)
> 20100806.20:09:05: 11451: (4)DEBUG : Thread: joined thread
> successfully (tid): (-1342107648)
> 20100806.20:09:05: 11451: (1)DEBUG : TaskManager: thread stopped
> 20100806.20:09:05: 11451: (1)DEBUG : Thread: ended (tid):
> (-1341960192)
> 20100806.20:09:05: 11451: (4)DEBUG : Thread: joined thread
> successfully (tid): (-1341960192)
> 20100806.20:09:05: 11451: (1)DEBUG : TaskManager: thread stopped
> 20100806.20:09:05: 11451: (1)DEBUG : Thread: ended (tid):
> (-1341886464)
> 20100806.20:09:05: 11451: (4)DEBUG : Thread: joined thread
> successfully (tid): (-1341886464)
> 20100806.20:09:05: 11451: (1)DEBUG : TaskManager: thread stopped
> 20100806.20:09:05: 11451: (1)DEBUG : Thread: ended (tid):
> (-1341812736)
> 20100806.20:09:05: 11451: (4)DEBUG : Thread: joined thread
> successfully (tid): (-1341812736)
> 20100806.20:09:05: 11451: (1)DEBUG : TaskManager: thread stopped
> 20100806.20:09:05: 11451: (1)DEBUG : Thread: ended (tid):
> (-1341739008)
> 20100806.20:09:05: 11451: (4)DEBUG : Thread: joined thread
> successfully (tid): (-1341739008)
> 20100806.20:09:05: 11451: (1)DEBUG : TaskManager: thread stopped
> claus-kleins-macbook-pro:build clausklein$
>
> ###
> ###
> ######################################################################
>
> claus-kleins-macbook-pro:AgentPro clausklein$ sudo /usr/local/sbin/
> snmpd -C -c /etc/snmp/snmpd.conf -Le -f -Dagentx
> registered debug token agentx, 1
> agentx_register_app_config_handler: registering .conf token for
> "agentxsocket"
> agentx_register_app_config_handler: registering .conf token for
> "agentxperms"
> agentx_register_app_config_handler: registering .conf token for
> "agentxRetries"
> agentx_register_app_config_handler: registering .conf token for
> "agentxTimeout"
> Turning on AgentX master support.
> agentx/config: port spec: tcp:localhost:705
> agentx/config/retries: 0
> agentx/config/timeout: 5 # (seconds)
> agentx/master: initializing...
> agentx/master: initializing... DONE
> NET-SNMP version 5.5
> agentx/master: unexpected callback op 4
> agentx/master: handle pdu (req=0x1,trans=0x0,sess=0x0)
> agentx/master: open 0x389bd0
> agentx/master: opened 0x389fd0 = 5 with flags = a0
> agentx/master: send response, stat 0 (req=0x1,trans=0x0,sess=0x0)
> agentx_build: packet built okay
> agentx/master: handle pdu (req=0x2,trans=0x0,sess=0x5)
> agentx/master: send response, stat 0 (req=0x2,trans=0x0,sess=0x5)
> agentx_build: packet built okay
> agentx/master: handle pdu (req=0x3,trans=0x1,sess=0x5)
> agentx/master: in register_agentx_list
> agentx/master: registered ok
> agentx/master: send response, stat 0 (req=0x3,trans=0x1,sess=0x5)
> agentx_build: packet built okay
> agentx/master: handle pdu (req=0x4,trans=0x2,sess=0x5)
> agentx/master: in register_agentx_list
> agentx/master: registered ok
> agentx/master: send response, stat 0 (req=0x4,trans=0x2,sess=0x5)
> agentx_build: packet built okay
> agentx/master: handle pdu (req=0x6,trans=0x3,sess=0x5)
> agentx/master: send response, stat 0 (req=0x6,trans=0x3,sess=0x5)
> agentx_build: packet built okay
> agentx/master: agentx master handler starting, mode = 0xa1
> agentx/master: request for variable (DISMAN-EVENT-
> MIB::sysUpTimeInstance)
> agentx/master: EXCLUSIVE varbind DISMAN-EVENT-MIB::sysUpTimeInstance
> scoped to SNMPv2-MIB::sysUpTime.1
> agentx: sending pdu (req=0x3,trans=0x2,sess=0x5)
> agentx_build: packet built okay
> agentx/master: timeout on session 0x389bd0
> agentx/master: close 0x389bd0, -1
> agentx/master: close transport
>
>
> #########################
>
> And here is a net-snmp send/recv dump:
>
>
>
>
> I hope this helps.
>
> Best regards,
>
> Claus
>
>
>
>
> On 05.08.2010, at 23:51, Frank Fock wrote:
>
>> Hi Claus,
>>
>> Then it should indeed work. Do you have a log of the
>> AgentX messages sent by the subagent and returned
>> by the master agent?
>>
>> Best regards,
>> Frank
>>
>> Claus Klein schrieb:
>>> Hi Frank,
>>>
>>> the current net-snmp supports contexts. It use it for the
>>> snmptrapd, which is a subagent when started with -x option
>>> and register its mibs at snmptrpad context. That works fine.
>>>
>>> Bets regards,
>>> Claus
>>>
>>> On 04.08.2010, at 23:20, Frank Fock wrote:
>>>
>>>
>>>> Hi Claus,
>>>>
>>>> Version 4.2.1 of NET-SNMP did not support AgentX contexts.
>>>> I do not know if that has changed now.
>>>>
>>>> Best regards,
>>>> Frank
>>>>
>>>> Claus Klein schrieb:
>>>>
>>>>> Hi,
>>>>>
>>>>> I tried to register a MIB at a owne context, but the MIB is
>>>>> registered at the default context?
>>>>>
>>>>> The Master agent is the current net-snmp 5.5 on windows or cygwin.
>>>>>
>>>>>
>>>>> I use the mib code generated with AgentGen V3.0:
>>>>>
>>>>> init(*mib);
>>>>> module_init("mycontext", mib);
>>>>>
>>>>> ^^^^^^^^^^
>>>>>
>>>>> I think, this should work, or not?
>>>>>
>>>>> Claus _______________________________________________
>>>>> AGENTPP mailing list
>>>>> AGENTPP at agentpp.org
>>>>> http://lists.agentpp.org/mailman/listinfo/agentpp
>>>>>
>>>>>
>>>>
>>>
>>> _______________________________________________
>>> AGENTPP mailing list
>>> AGENTPP at agentpp.org
>>> http://lists.agentpp.org/mailman/listinfo/agentpp
>>>
>>
>>
>
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