Dear Friends,
Greetings to all,
Thanks for your help to solve the lot of issues related to my applications.
Here, i have a mib table indexed by internal index, generated by mib2c iterator
config, net-snmp style of code.The snmp agent got values by other external
subsystems.I have used the position count style loop context.So presently,i
fixed the index range as 20. But i need the indexing should not be fixed.
Here with i have given my code of get{first,next}hooks and my index api also.
/* New Definition */
typedef struct alarmHisTable_entry
{
/* Index values */
long alarmSerNo;
/* Column values */
long alarmID;
long alarmType;
char alarmName;
long alarmSeverity;
long alarmStatus;
char alarmTimeStamp;
}alarmHisTableEntry;
alarmHisTableEntry *AlarmHisEntry;
static oid alarmHisTable_oid[] = { 1,3,6,1,4,1,8723,1,1,1,1,9,4 };
static oid alarmHisIndex_oid[] = { 1,3,6,1,4,1,8723,1,1,1,1,9,4,1};
.
.
.
netsnmp_variable_list *
alarmHisTable_get_first_data_point(void **my_loop_context,
void **my_data_context,
netsnmp_variable_list *put_index_data,
netsnmp_iterator_info *mydata)
{
netsnmp_variable_list *vptr;
alarmHisTableEntry *myEntry;
/* We use the positinonal count as our loop context */
int *position = (int*)malloc(sizeof(int));
*position = 0;
*my_loop_context = position /** XXX */ ;
myEntry = getAlarmIndex();
*my_data_context = (void *)&myEntry[*position] /** XXX */ ;
vptr = put_index_data;
snmp_set_var_value(vptr, (u_char *)&myEntry[*position].alarmSerNo,
sizeof(&myEntry[*position].alarmSerNo));
vptr = vptr->next_variable;
return put_index_data;
}
netsnmp_variable_list *
alarmHisTable_get_next_data_point(void **my_loop_context,
void **my_data_context,
netsnmp_variable_list *put_index_data,
netsnmp_iterator_info *mydata)
{
netsnmp_variable_list *vptr;
alarmHisTableEntry *myEntry;
int *position = (int *) *my_loop_context;
/* make sure we were called correctly */
if (!position)
return NULL;
/* go to the next route in the list */
(*position)++;
printf("Value of position = %d\n",*position);
/* Are we beyond the end? */
if (*position >=20 )
{
/* End of routes. stop here by returning NULL */
SNMP_FREE(position);
*my_loop_context = NULL;
*my_data_context = NULL;
return NULL;
}
*my_loop_context = position /** XXX */ ;
myEntry = getAlarmIndex();
*my_data_context = (void *)&myEntry[*position] /** XXX */ ;
vptr = put_index_data;
snmp_set_var_value(vptr, (u_char *)&myEntry[*position].alarmSerNo,
sizeof(&myEntry[*position].alarmSerNo));
vptr = vptr->next_variable;
return put_index_data;
}
Is there alternate for this to make the index varying...
With thanks and Regards,
D.SenthilNathan
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