[AGENT++] Multi threaded Process: Dedicated thread for snmp trap

[Anurag Jain]

Is there any potential deadlock scenarios in scenario described before of traps interfering with get operations especially under high load traps traffic ?

> From: anuragjain026 at hotmail.com
> To: agentpp at agentpp.org; katz at agentpp.com
> Date: Mon, 19 Jan 2009 16:43:02 -0600
> CC: 
> Subject: [AGENT++] Multi threaded Process: Dedicated thread for snmp trap
> 
> 
> 
> 
> Is it possible create a dedicated thread to receive snmp traps in a multi threaded process ?
> 
> Looking at the source of snmp++ 3.2.23 this does not seem possible even if we use the Snmp::start_poll_thread as the 
> SNMPBlockForResponse (called during get operations from Snmp::snmp_engine) function also calls SNMPProcessEvents -> SNMPProcessPendingEvents that would cause the registered trap callback function to be called
> during synchronous snmp gets . We are seeing this behaviour where our snmp get/walk threads are being stepped on by trap callbacks potenitally deadlocking ?
> 
> Please advice correct use to ensure dedicated or single purpose  callback thread for trap reception in a multi threaded process where other threads are to be used for
> snmp get operations only.
> 
> Thanks
> Anurag
> 
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