sorry, forgot to add mailing list
---------- Forwarded message ----------
From: Francois Bouchard <[email protected]>
Date: 2012/3/15
Subject: Re: how to Access Table data
To: Dave Shield <[email protected]>
oups wrong button,
> the index
> Could you help us to find table_data structure, would you
> table_data = netsnmp_tdata_extract_table(request);
To get the table_data, would you use
table_data = netsnmp_tdata_extract_table(request); ?
see example below:
2012/3/15 Francois Bouchard <[email protected]>
> Hi
> thanks
>
> the index
> Could you help us to find table_data structure, would you
>
>
> table_data = netsnmp_tdata_extract_table(request);
>
>
> In the following code
> /** handles requests for the mpbcRMHNotifiedNMSipAddressTable table */
>
> int mpbcRMHNotifiedNMSipAddressTable_handler(
> netsnmp_mib_handler *handler,
> netsnmp_handler_registration *reginfo,
> netsnmp_agent_request_info *reqinfo,
> netsnmp_request_info *requests)
>
>
> {
>
> netsnmp_request_info *request;
> netsnmp_table_request_info *table_info;
> netsnmp_tdata *table_data;
> netsnmp_tdata_row *table_row;
> struct mpbcRMHNotifiedNMSipAddressTable_entry *table_entry;
>
>
> int ret;
>
> switch (reqinfo->mode)
> {
> /*
> * Read-support (also covers GetNext requests)
> */
> case MODE_GET: // When Get/ Get(walk)/ Get Table) from Browser
>
>
>
> // Read Config file
> read_config_file(); // <-----------------------
>
> // Process Request
> for (request=requests; request;
> request=request->next) {
>
>
> // ... etc etc etc
>
>
> }// for (request=request...
> break;
>
> // ... etc etc etc
>
> }
>
>
> in the following function, would you recommend to pass the resquest as
> parameter, then extract the table_data using
>
>
> table_data = netsnmp_tdata_extract_table(request) ?
>
> void read_config_file(void ... or netsnmp_request_info *request)
> {
> int i;
> netsnmp_tdata_row *row;
>
> // extract table_data ...
>
>
>
>
> // Enter values
> for ( i = 0, row = netsnmp_tdata_get_first( table_data );
> i < RMH_NOTIFIED_NMS_IP_MAX_ENTRIES ;
> ++i, row = netsnmp_tdata_get_next( table_data, row ))
>
>
> {
>
> if (!row) {
> snmp_log(LOG_ERR, "xxxx i=%d\n", i);
> break;
>
> // RMH Notified NMS Address Table index
>
>
> row->data->mpbcRMHNotifiedNMSipAddress_Index = i;
> row->data->mpbcRMHNotifiedNMSipAddress_IP = Tabl[i].Ip;// My table
> // ....
> }
> }
>
>
> Thanks,
>
>
> Francois
>
> ps Cache is not used for that table
>
>
>
>
>
> 2012/3/15 Dave Shield <[email protected]>
>
>> On 15 March 2012 13:42, Francois Bouchard <[email protected]>
>> wrote:
>> >> netsnmp_request_info (and netsnmp_table_request_info) explicitly
>> >> refer to a particular incoming request.
>> > Yes, not with the request-related structures, more from another function
>> > like in the exampel below:
>>
>> [ snip ]
>>
>> OK - try using the API calls
>>
>> row = netsnmp_tdata_get_first( table_data );
>> row = netsnmp_tdata_get_next( table_data, row );
>>
>> to walk through the table, or one of
>>
>> row = netsnmp_tdata_get_byidx( table_data, indexes );
>> row = netsnmp_tdata_get_byoid( table_data, oids, len );
>>
>> to retrieve a particular entry
>>
>>
>> See the section 'TData API: Row operations' in the header
>> file <net-snmp/agent/table_tdata.h> for the precise declarations.
>>
>> Dave
>>
>
>
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