On Mon, 4 Jun 2012 17:41:12 +0530 Ravi wrote:
RK> Can anybody tell me what is the purpose of following optional
RK> parameters in "netsnmp_handler_registration" structure.

Have you looked at the API documentation? Try

http://net-snmp.sourceforge.net/dev/agent/group__agent__mib__registering.html#gacbd76661a556322a249967447ff67707

RK>         int             timeout;

This is likely used for AgentX registrations.

RK>         int             global_cacheid;

This is used internally in the agent code.

RK>         /**
RK>          * void ptr for registeree
RK>          */
RK>         void *          my_reg_void;

This one is exactly what it says.. a pointer for the code that registered the
handler, which the handler can use for whatever it needs. One example might be
a single handler that is registered under several OIDs, and uses this pointer
to determine what data to use when called to handle a particular request.

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