Hi All/
Thank in advance.
I am developing SNMP subagent using netsnmp library.
My requirement is the "creation/deletion" of row at runtime.
Please find following details for the reference::
- To generate the code I have used -
"mib2c.access_functions.conf" scripts.
- My Table contains 6 col including "StatusRow" which is below
typedef struct spiConnEntry_s {
long refIndex; /* For index */
/**** No of Col******* */
int dataSpiConnectionId;
int dataSpiInputInterface;
int dataSpiInputPortNumber;
int dataSpiOutputInterface;
int dataSpiOutputPortNumber;
int dataSpiRowStatus;
int valid;
struct spiConnEntry_s * pNext;
}spiConnEntry;
Ques1. The method " spiConnTable_create_data_context" is
envolved for row creation(According to documentaion).I
tried to write some code in this method which is below:
**********************************************************
spiConnTable_create_data_context(netsnmp_variable_list *
index_data,
int column)
{
spiConnEntry *newRow = SNMP_MALLOC_TYPEDEF(spiConnEntry);
printf("\n In spiConnTable_create_data_context
method...");
printf("\n spiConnTable_create_data_context() :: column =
%d",column);
if( !newRow )
{
printf("\n Malloc failed \n");
return NULL;
}
printf("\n spiConnTable_create_data_context() ::
index_data->val.integer=%d",index_data->val.integer);
memcpy( &newRow->dataSpiInputInterface, index_data-
>val.integer , sizeof(int) );
return newRow;
}
*******************************************************
QUES2: What should I write in the below method?
*******************************************************
spiConnTable_commit_row(void **my_data_context, int
new_or_del)
{
/** Add any necessary commit code here */
/*
*/
/*
* return no errors. And there shouldn't be any!!!
Ever!!! You
* should have checked the values long before this.
*/
return SNMP_ERR_NOERROR;
}
*********************************************************
QUES3 : Also in the below methods.
long *
get_atca910xSpiRowStatus(void *data_context, size_t *ret_len)
{
static long ret = RS_ACTIVE; // I just tried to write
*ret_len = sizeof(ret);
return &ret;
}
/** XXX: Set the value of the atca910xSpiRowStatus column and
return
SNMP_ERR_NOERROR on success
SNMP_ERR_XXX for SNMP deterministic error codes
SNMP_ERR_GENERR on generic failures (a last result
response). */
int
set_atca910xSpiRowStatus(void *data_context, long *val,
size_t val_len)
{
return SNMP_ERR_NOERROR; /** XXX: change if an error
occurs */
}
QUES4: What about "RowStatus" col.
How do I handle the following states?
1. Active
2. notinService
3. notReady
4 CreateAndGo
5. createAndGo
6, Destroy.
QUES5. Also please do let me know what I need to Change/Add
in the following section "Mode" [ Since maximum part of the
code mib2c already generate]?
1. SET
2. RESERVE1
3. RESERVE2
4. ACTION
5. COMMIT
NOTE : I would be very happy if you can refer some sample
application for the same.
QUES6. Also , I want to handle trap for my own mib.
Any help would be greatly appreciated.
Regards/
Devendra
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