Hello. I am developing snmp agent which should maintain one table. I've implemented getting table through snmp. But there is some trouble. Actual table data must be received from other computer using TCP. There is no problem go get this data. I do it in the first call of table's get_first_data_point function. Then net snmp library calls table handler for every item in the table. Then it calls this handler again but with requests->processed == true. At that moment I clear my table and consider it to be irrelevant. It works fine when I execute snmptable for this table. But if I execute snmpget for a particular item of the table, the table handler function is called only once. Therefore my agent still considers this table relevant and therefore this table isn't reloaded at the next request. I've tried to use netsnmp_inject_handler function for table loading, but this injected handler is called before EVERY table handler call. Therefore this function isn't appropriate for table loading. How could I decide when I should free loaded table?
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