AgentX++ subagent and net-snmp

[Bettendorf, Cristian]

Frank,

I can't find any hint more on this problems and on my side the agentx++
stuff still not working with net-snmp 5.0.3 on Solaris 7 32bit.
I have recompiled the net-snmp stuff, the agentx++ 'subagent2' example and
the original subagent tutorial example provided on the net-snmp site. The
net-snmp subagent example works, the agentx++ subagent example NOT...

So far, here could be a bug inside the net-snmp or inside agentx++, anyway
the systems looks to not work together.

Could you please confirm that the used agentx++ version(latest) works with
this net-snmp version(latest) on Solaris7 and above?
Attached the trace session logs.

Any help much appreciated.

Best regards,
Cristian


net-snmp snmpd trace, try to connect the agentx++ subagent2
-------------------------------------------------------------
> sudo ./snmpd -f -L -x /var/agentx/master -Dagentx
type your password:
agentx/subagent: init_subagent sess 002b2d48
Turning on AgentX master support.
Note this is still experimental and shouldn't be used on critical systems.
agentx/master: initializing...
agentx/master: initializing...   DONE
NET-SNMP version 5.0.3
agentx/master: transport disconnect on session 002e0f20
agentx/master: close 002e0f20, -1

agentx++ subagent2 trace
----------------------------
20020902.10:01:33: 22910: (1)DEBUG  : TaskManager: thread started
20020902.10:01:33: 22910: (1)DEBUG  : Thread: started (tid): (4)
20020902.10:01:33: 22910: (1)DEBUG  : TaskManager: thread started
20020902.10:01:33: 22910: (1)DEBUG  : Thread: started (tid): (5)
20020902.10:01:33: 22910: (1)DEBUG  : Thread: started (tid): (6)
20020902.10:01:33: 22910: (1)DEBUG  : TaskManager: thread started
20020902.10:01:33: 22910: (1)DEBUG  : TaskManager: thread started
20020902.10:01:33: 22910: (1)DEBUG  : Thread: started (tid): (7)
20020902.10:01:33: 22910: (3)DEBUG  : MibContext: adding MIB object
(context)(oid): (), (1.3.6.1.2.2.1.2.1.0)
20020902.10:01:33: 22910: (3)DEBUG  : MibContext: adding MIB object
(context)(oid): (), (1.3.6.1.2.2.1.2.2.0)
20020902.10:01:33: 22910: (3)DEBUG  : MibContext: adding MIB object
(context)(oid): (), (1.3.6.1.2.2.1.5.2.0)
20020902.10:01:33: 22910: (3)DEBUG  : MibContext: adding MIB object
(context)(oid): (subagent2), (1.3.6.1.2.1.37)
20020902.10:01:33: 22910: (3)DEBUG  : MibContext: adding MIB object
(context)(oid): (), (1.3.6.1.4.1.4976.6.3)
20020902.10:01:33: 22910: (3)DEBUG  : MibContext: adding MIB object
(context)(oid): (), (1.3.6.1.4.1.4976.6.2)
20020902.10:01:33: 22910: (2)EVENT  : SubAgentXMib: opening socket
20020902.10:01:33: 22910: (1)INFO   : SubAgentX: bound local (socket)(sd):
(/var/agentx/subagent22910), (3)
20020902.10:01:33: 22910: (1)INFO   : SubAgentX: connected local socket with
master (sd)(socket): (3), (/var/agentx/master)
20020902.10:01:33: 22910: (1)EVENT  : SubAgentXMib: contacting master,
please wait
20020902.10:01:33: 22910: (3)EVENT  : AgentX: sending agentx pdu
(sd)(type)(sid)(tid)(pid)(err)(errind): (3), (1), (0), (0), (1), (0), (0)
20020902.10:01:38: 22910: (5)INFO   : AgentXSlave: no request within (milli
seconds): (5000)
20020902.10:01:38: 22910: (5)DEBUG  : AgentXSlave: received
(sd)(current)(stop)(status): (3), (161547254), (161547261), (0)
20020902.10:01:43: 22910: (5)INFO   : AgentXSlave: no request within (milli
seconds): (5000)
20020902.10:01:43: 22910: (5)DEBUG  : AgentXSlave: received
(sd)(current)(stop)(status): (3), (161552254), (161547261), (0)
20020902.10:01:43: 22910: (1)ERROR  : SubAgentXMib: could not open session
(error): (-11)


Now I have used the net-snmp tutorial and build the provided subagent
example (URL: http://www.net-snmp.org/tutorial-5/toolkit/demon/index.html),
executable name 'example-demon'. 

This subagent WORK!


> sudo example-demon&
type your password:
> snmpwalk -v 1 -c public localhost:9161 .1.3.6.1.4.1.8072.2.4
NET-SNMP-MIB::netSnmp.2.4.1.1.2.0 = INTEGER: 2

snmpd trace, looks better...
---------------------------------
> sudo ./snmpd -f -L -x /var/agentx/master -Dagentx
type your password:
agentx/subagent: init_subagent sess 002b2d48
Turning on AgentX master support.
Note this is still experimental and shouldn't be used on critical systems.
agentx/master: initializing...
agentx/master: initializing...   DONE
NET-SNMP version 5.0.3
agentx/master: open 002e0c68
agentx/master: opened 002e1628 = 7 with flags = a0
agentx/master: send response, stat 0
agentx_build: packet built okay
agentx/master: in register_agentx_list
agentx/master: registered ok
agentx/master: send response, stat 0
agentx_build: packet built okay
agentx/master: agentx master handler starting, mode = 0xa1
agentx/master: inexact request for variable () preceeding region ()
agentx/master: INCLUSIVE varbind NET-SNMP-MIB::netSnmp.2.4.1.1.2.0 scoped to
NET-SNMP-MIB::netSnmp.2.4.1.1.2.1
agentx: sending pdu
agentx_build: packet built okay
agentx/master: agentx_got_response() beginning...
agentx/master:   handle_agentx_response: processing:
NET-SNMP-MIB::netSnmp.2.4.1.1.2.0
agentx/master: handle_agentx_response() finishing...
agentx/master: agentx master handler starting, mode = 0xa1
agentx/master: EXCLUSIVE varbind NET-SNMP-MIB::netSnmp.2.4.1.1.2.0 scoped to
NET-SNMP-MIB::netSnmp.2.4.1.1.2.1
agentx: sending pdu
agentx_build: packet built okay
agentx/master: agentx_got_response() beginning...
agentx/master:   handle_agentx_response: processing:
NET-SNMP-MIB::netSnmp.2.4.1.1.2.0
agentx/master: handle_agentx_response() finishing...
agentx/master: agentx master handler starting, mode = 0xa1
agentx/master: inexact request for variable () preceeding region ()
agentx/master: INCLUSIVE varbind NET-SNMP-MIB::netSnmp.2.4.1.1.2.0 scoped to
NET-SNMP-MIB::netSnmp.2.4.1.1.2.1
agentx: sending pdu
agentx_build: packet built okay
agentx/master: agentx_got_response() beginning...
agentx/master:   handle_agentx_response: processing:
NET-SNMP-MIB::netSnmp.2.4.1.1.2.0
agentx/master: handle_agentx_response() finishing...
agentx/master: agentx master handler starting, mode = 0xa1
agentx/master: EXCLUSIVE varbind NET-SNMP-MIB::netSnmp.2.4.1.1.2.0 scoped to
NET-SNMP-MIB::netSnmp.2.4.1.1.2.1
agentx: sending pdu
agentx_build: packet built okay
agentx/master: agentx_got_response() beginning...
agentx/master:   handle_agentx_response: processing:
NET-SNMP-MIB::netSnmp.2.4.1.1.2.0
agentx/master: handle_agentx_response() finishing...





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