Re: agentx/master: unexpected callback op 4 message

[Claus Klein]

Thanks Bill,

I have prepared a patch to backport it to v5.4-patches

If it possible, I would like if the patch could be applied.

Claus

0001-backport-to-v.4.4-patches-of-patch-3310250.patch
Description: Binary data

On 26.01.2013, at 01:52, Bill Fenner wrote:

On Tue, Jan 22, 2013 at 11:16 AM, Claus Klein <claus.kl...@arcormail.de > wrote:

Hi,


is still running, I got this messages:

NET-SNMP version 5.4.4
agentx/master: unexpected callback op 4
agentx/master: handle pdu (req=0x166,trans=0x0,sess=0x0)
agentx/master: open 0x451500
agentx/master: opened 0x451d50 = 9 with flags = a0
agentx/master: send response, stat 0 (req=0x166,trans=0x0,sess=0x0)
agentx_build: packet built okay
agentx/master: handle pdu (req=0x167,trans=0xb0,sess=0x9)
agentx/master: in register_agentx_list
agentx/master: registered ok
agentx/master: send response, stat 0 (req=0x167,trans=0xb0,sess=0x9)
agentx_build: packet built okay

agentx/master: handle pdu (req=0x169,trans=0xb1,sess=0x9)
agentx/master: send response, stat 0 (req=0x169,trans=0xb1,sess=0x9)
agentx_build: packet built okay


agentx/master: handle pdu (req=0x16b,trans=0xb2,sess=0x9)
agentx/master: send response, stat 0 (req=0x16b,trans=0xb2,sess=0x9)
agentx_build: packet built okay

It happens, when the subagent open a new session after timeout.
I found, that the message comes from here:

--- a/agent/mibgroup/agentx/master_admin.c
+++ b/agent/mibgroup/agentx/master_admin.c
@@ -506,6 +506,7 @@ handle_master_agentx_packet(int operation,
        close_agentx_session(session, -1);
        return 1;
    } else if (operation != NETSNMP_CALLBACK_OP_RECEIVED_MESSAGE) {
+        //FIXME NETSNMP_CALLBACK_OP_CONNECT was seen! ck
        DEBUGMSGTL(("agentx/master", "unexpected callback op %d\n",
                    operation));
        return 1;

I was wondering, that I could not find any case where
NETSNMP_CALLBACK_OP_CONNECT is handled?

when I stop, and start the agentx master agent again while the agentx client

It is just a missing case.  This is one of the fixes from
http://sourceforge.net/p/net-snmp/code/ci/6daff8d4addb1ee7230546180d94ab27e30a2e96/
.

 Bill

My environment is macos with gcc with net-snmp as master agent and agentpp

as subagent.


Can anyone please help?

Thanks in advance
Best Regards
Claus


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