Re: Problem initializing table from mib2c data_set

________________________________
From: Dave Shield <[email protected]>
To: niepa inter <[email protected]>
Cc: [email protected]
Sent: Monday, August 24, 2009 2:32:08 AM
Subject: Re: Problem initializing table from mib2c data_set

2009/8/24 niepa inter <[email protected]>:
> I modified the netsnmp_table_set_multi_add_default_row as shown below but it
> does not work.
>
>  netsnmp_table_set_multi_add_default_row(table_set,
>                                              2, ASN_OCTET_STR, 1, mystring1, strlen(mystring1),
>                                             3, ASN_OCTET_STR, 1, mystring2, strlen(mystring2),
>                                              0 /* done */ );

OK - that sets the default configuration for a row.
How are you actually trying to create the initial contents of the table?

void initialize_table_prtConsoleDisplayBufferTable(MYPTR *pkt)
{
    static oid prtConsoleDisplayBufferTable_oid[] = {1,3,6,1,2,1,43,16,5};
    size_t prtConsoleDisplayBufferTable_oid_len = OID_LENGTH(prtConsoleDisplayBufferTable_oid);
    netsnmp_table_data_set *table_set;

    /* create the table structure itself */
    table_set = netsnmp_create_table_data_set("prtConsoleDisplayBufferTable");

    /* enable row creation */
    table_set->allow_creation = 1;

    /***************************************************
     * Adding indexes
     */
    DEBUGMSGTL(("initialize_table_prtConsoleDisplayBufferTable",
                "adding indexes to table prtConsoleDisplayBufferTable\n"));
    netsnmp_table_set_add_indexes(table_set,
                           ASN_INTEGER,  /* index: hrDeviceIndex */
                           ASN_INTEGER,  /* index: prtConsoleDisplayBufferIndex */
                           0);

    DEBUGMSGTL(("initialize_table_prtConsoleDisplayBufferTable",
                "adding column types to table prtConsoleDisplayBufferTable\n"));
    netsnmp_table_set_multi_add_default_row(table_set,
                                            COLUMN_PRTCONSOLEDISPLAYBUFFERINDEX, ASN_INTEGER, 0,
                                           pkt->index, sizeof(pkt->index),
                                            COLUMN_PRTCONSOLEDISPLAYBUFFERTEXT, ASN_OCTET_STR, 1,
                                           pkt->consolebuf, strlen(consolebuf),
                              0);

    /* registering the table with the master agent */
   
netsnmp_register_table_data_set(netsnmp_create_handler_registration("prtConsoleDisplayBufferTable",
prtConsoleDisplayBufferTable_handler,
                                                        prtConsoleDisplayBufferTable_oid,
                                                        prtConsoleDisplayBufferTable_oid_len,
                                                        HANDLER_CAN_RWRITE),
                            table_set, NULL);
}



What rows should it contain?
My hope is that the row at COLUMN_PRTCONSOLEDISPLAYBUFFERTEXT , shows the initial stringpkt->consolebuf passed to the function netsnmp_table_set_multi_add_default_row during initialization.

What does the code actually look like?
I have a pointer that points to the data I need to store in my table built by the data_set method.

However if I create an additional row(COLUMN_PRTCONSOLEDISPLAYBUFFERTEXT.1) and load some data into it ,it works. But I do not want to add another row, I would like to be able to initialize COLUMN_PRTCONSOLEDISPLAYBUFFERTEXT.

Thanks

~Yan

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