table dataset iteration not working

Hi All,

 

I generated my table code using the mib2c.create_dataset.conf
configuration. The get on a column works but the get-next/snmpwalk does
not work. I compared my code with the agent/mibgroup/data_set.c source
and it seems to be no different. Can someone please shed some light on
what's missing in my code below for the table iteration to work?

 

 

void

initialize_table_dot3StatsTable(void)

{

    static oid dot3StatsTable_oid[] = {1,3,6,1,2,1,10,7,2};

    size_t dot3StatsTable_oid_len = OID_LENGTH(dot3StatsTable_oid);

    netsnmp_table_data_set *table_set;

      netsnmp_table_row *row;

      // variables declared - wrajnees

      static int _max_cols = 21; // there are 18 columns in this table.

      int column = 0;

      int index = 1;

      int val = 20;

      static oid      objid_etherchipset[] = { 0 };     /* snmpTrapIOD.0
*/

 

      // end variables declared.

 

    /* create the table structure itself */

    table_set = netsnmp_create_table_data_set("dot3StatsTable");

 

    /* comment this out or delete if you don't support creation of new
rows */

      

    table_set->allow_creation = 1;

 

    /***************************************************

     * Adding indexes

     */

    DEBUGMSGTL(("initialize_table_dot3StatsTable",

                "adding indexes to table dot3StatsTable\n"));

 

    netsnmp_table_set_add_indexes(table_set,

                           ASN_INTEGER,  /* index: dot3StatsIndex */

                           0);

 

      

    DEBUGMSGTL(("initialize_table_dot3StatsTable",

                "adding column types to table dot3StatsTable\n"));


    netsnmp_table_set_multi_add_default_row(table_set,

                                            COLUMN_DOT3STATSINDEX,
ASN_INTEGER, 0,

                                            NULL, 0,

 
COLUMN_DOT3STATSALIGNMENTERRORS, ASN_COUNTER, 0,

                                            NULL, 0,

                                            COLUMN_DOT3STATSFCSERRORS,
ASN_COUNTER, 0,

                                            NULL, 0,

 
COLUMN_DOT3STATSSINGLECOLLISIONFRAMES, ASN_COUNTER, 0,

                                            NULL, 0,

 
COLUMN_DOT3STATSMULTIPLECOLLISIONFRAMES, ASN_COUNTER, 0,

                                            NULL, 0,

 
COLUMN_DOT3STATSSQETESTERRORS, ASN_COUNTER, 0,

                                            NULL, 0,

 
COLUMN_DOT3STATSDEFERREDTRANSMISSIONS, ASN_COUNTER, 0,

                                            NULL, 0,

 
COLUMN_DOT3STATSLATECOLLISIONS, ASN_COUNTER, 0,

                                            NULL, 0,

 
COLUMN_DOT3STATSEXCESSIVECOLLISIONS, ASN_COUNTER, 0,

                                            NULL, 0,

 
COLUMN_DOT3STATSINTERNALMACTRANSMITERRORS, ASN_COUNTER, 0,

                                            NULL, 0,

 
COLUMN_DOT3STATSCARRIERSENSEERRORS, ASN_COUNTER, 0,

                                            NULL, 0,

 
COLUMN_DOT3STATSFRAMETOOLONGS, ASN_COUNTER, 0,

                                            NULL, 0,

 
COLUMN_DOT3STATSINTERNALMACRECEIVEERRORS, ASN_COUNTER, 0,

                                            NULL, 0,

 
COLUMN_DOT3STATSETHERCHIPSET, ASN_OBJECT_ID, 0,

                                            NULL, 0,

 
COLUMN_DOT3STATSSYMBOLERRORS, ASN_COUNTER, 0,

                                            NULL, 0,

 
COLUMN_DOT3STATSDUPLEXSTATUS, ASN_INTEGER, 0,

                                            NULL, 0,

 
COLUMN_DOT3STATSRATECONTROLABILITY, ASN_INTEGER, 0,

                                            NULL, 0,

 
COLUMN_DOT3STATSRATECONTROLSTATUS, ASN_INTEGER, 0,

                                            NULL, 0,

                              0);

 

 

    

    /* registering the table with the master agent */

    /* note: if you don't need a subhandler to deal with any aspects

       of the request, change dot3StatsTable_handler to "NULL" */

 
netsnmp_register_table_data_set(netsnmp_create_handler_registration("dot
3StatsTable", NULL,

 
dot3StatsTable_oid,

 
dot3StatsTable_oid_len,

 
HANDLER_CAN_RONLY),

                            table_set, NULL);

      // Add code - wrajnees

 

      /*

     * create the a row for the table, and add the data 

     */

    row = netsnmp_create_table_data_row();

      /*

     * set the index to the IETF WG name "snmpv3" 

     */

    netsnmp_table_row_add_index(row, ASN_INTEGER, (u_char*)&index,
sizeof(index));

      /*

     * set the column 2 and above

     */

      for (column = 2; column <= _max_cols; column++) {

            // Following columns are not valid.

            switch(column) {

                  case 12: // INVALIDs

                  case 14:

                  case 15:

                        break;

                  case 17: // OID

                        netsnmp_set_row_column(row, column,
ASN_OBJECT_ID,

 
(u_char*)objid_etherchipset, 1*sizeof(oid));

                        break;

                  case 19: // INTEGER

                  case 21:

                        netsnmp_set_row_column(row, column, ASN_INTEGER,

                                             (u_char*)&val,
sizeof(val));     

                        break;

                  case 20: // TRUTH_VALUE

                        netsnmp_set_row_column(row, column, ASN_INTEGER,

                                             (u_char*)&val,
sizeof(val));     

                        break;

                  default: // COUNTER

                        netsnmp_set_row_column(row, column, ASN_COUNTER,

                                             (u_char*)&val,
sizeof(val));     

                        break;

            }

 

 

      }

      /*

       * add the row to the table 

       */

      netsnmp_table_dataset_add_row(table_set, row);

 

      /*

     * Finally, this actually allows the "add_row" token it the

     * * snmpd.conf file to add rows to this table.

     * * Example snmpd.conf line:

     * *   add_row netSnmpIETFWGTable eos "Glenn Waters" "Dale
Francisco"

     */

    netsnmp_register_auto_data_table(table_set, NULL);

 

      // End add code - wrajnees

}

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