Hi Dave,
As u said to generate the code with " mib2c -S cache=1 -c
mib2c.table_data.conf ocStbHostAVInterfaceTable "
I generated , u can check the code below.
1) while compiling it i faced few errors ,which i modified :: now i
able to compile .
2) But now while runing.. i able to get the values if i fill the table
in "initialize_table_ocStbHostAVInterfaceTable"( which is similar to as
normal table_data.conf model (with out catch) )
3) But if I keep same code in the "ocStbHostAVInterfaceTable_load() " module
( to fill the table ) it is not getting the values and more over I kept some
prints in the "ocStbHostAVInterfaceTable_load() module" , What i noticed is
that module itself not called by the rest of the code .
So "ocStbHostAVInterfaceTable_load()" is not called rest of the modules, may
be because of that i am unable to get values. " Please can u tell when the
Table_load is called ".
** more over if u have any examples please sent it or if any site have
examples please fwd to me***
/*
* Note: this file originally auto-generated by mib2c using
* : mib2c.table_data.conf 15999 2007-03-25 22:32:02Z dts12 $
*/
#include <net-snmp/net-snmp-config.h>
#include <net-snmp/net-snmp-includes.h>
#include <net-snmp/agent/net-snmp-agent-includes.h>
#include "ocStbHostAVInterfaceTable.h"
#include "vl_ocStbHost_GetData.h"
#include "vlochd_OC_STB_HOST_MIB_Data.h"
#define CHRMAX2 256
#define MAX_IOD_LENGTH2 128
/** Initializes the ocStbHostAVInterfaceTable module */
void
init_ocStbHostAVInterfaceTable(void)
{
/*
* here we initialize all the tables we're planning on supporting
*/
printf("init_ocStbHostAVInterfaceTable \n.");
initialize_table_ocStbHostAVInterfaceTable();
}
//# Determine the first/last column names
/** Initialize the ocStbHostAVInterfaceTable table by defining its contents
and how it's structured */
netsnmp_tdata *table_data;
void
initialize_table_ocStbHostAVInterfaceTable(void)
{
static oid ocStbHostAVInterfaceTable_oid[] =
{ 1, 3, 6, 1, 4, 1, 4491, 2, 3, 1, 1, 1, 2, 2 };
size_t ocStbHostAVInterfaceTable_oid_len =
OID_LENGTH(ocStbHostAVInterfaceTable_oid);
netsnmp_handler_registration *reg;
// netsnmp_tdata *table_data;
netsnmp_table_registration_info *table_info;
netsnmp_cache *cache;
printf("initialize_table_ocStbHostAVInterfaceTable table_data
...1......\n");
reg =
netsnmp_create_handler_registration("ocStbHostAVInterfaceTable",
ocStbHostAVInterfaceTable_handler,
ocStbHostAVInterfaceTable_oid,
ocStbHostAVInterfaceTable_oid_len,
HANDLER_CAN_RONLY);
printf("initialize_table_ocStbHostAVInterfaceTable table_data
...2.....\n");
table_data =
netsnmp_tdata_create_table("ocStbHostAVInterfaceTable", 0);
table_info = SNMP_MALLOC_TYPEDEF(netsnmp_table_registration_info);
netsnmp_table_helper_add_indexes(table_info, ASN_UNSIGNED, /* index:
ocStbHostAVInterfaceIndex */
0);
table_info->min_column = COLUMN_OCSTBHOSTAVINTERFACETYPE;
table_info->max_column = COLUMN_OCSTBHOSTAVINTERFACESTATUS;
printf("initialize_table_ocStbHostAVInterfaceTable Catch ...3......\n");
netsnmp_tdata_register(reg, table_data, table_info);
printf("Before Catch .....2....");
cache = netsnmp_cache_create(OCSTBHOSTAVINTERFACETABLE_TIMEOUT,
ocStbHostAVInterfaceTable_load,
ocStbHostAVInterfaceTable_free,
ocStbHostAVInterfaceTable_oid,
ocStbHostAVInterfaceTable_oid_len);
printf("Before Catch ....4.....\n");
cache->magic = (void *) table_data;
netsnmp_inject_handler_before(reg, netsnmp_cache_handler_get(cache),
TABLE_DATA_NAME);
/*
* Initialise the contents of the table here
*/
#if 0
//Check 1:: (Normal with out cathc) method i will fill here
****************** if i uncommet this code i am able to get the values which
are filled bye the this vl_ocStbHostAVInterfaceTable_getdata(table_data))
**********************
if(0 == vl_ocStbHostAVInterfaceTable_getdata(table_data))
{
//vl_ocStbHostAVInterfaceTable_getdata"
printf(" ERROR:: Not yet table initialise here \n");
}
#endif//if 0
}
/*
* Typical data structure for a row entry
*/
struct ocStbHostAVInterfaceTable_entry {
/*
* Index values
*/
u_long ocStbHostAVInterfaceIndex;
/*
* Column values
*/
oid ocStbHostAVInterfaceType[MAX_IOD_LENGTH2];
size_t ocStbHostAVInterfaceType_len;
char ocStbHostAVInterfaceDesc[CHRMAX2];
size_t ocStbHostAVInterfaceDesc_len;
long ocStbHostAVInterfaceStatus;
int valid;
};
/*
* create a new row in the table
*/
netsnmp_tdata_row *ocStbHostAVInterfaceTable_createEntry(netsnmp_tdata *
table_data,
u_long
ocStbHostAVInterfaceIndex)
{
struct ocStbHostAVInterfaceTable_entry *entry;
netsnmp_tdata_row *row;
entry = SNMP_MALLOC_TYPEDEF(struct ocStbHostAVInterfaceTable_entry);
if (!entry)
return NULL;
row = netsnmp_tdata_create_row();
if (!row) {
SNMP_FREE(entry);
return NULL;
}
row->data = entry;
entry->ocStbHostAVInterfaceIndex = ocStbHostAVInterfaceIndex;
netsnmp_tdata_row_add_index(row, ASN_UNSIGNED,
&(entry->ocStbHostAVInterfaceIndex),
sizeof(entry->ocStbHostAVInterfaceIndex));
netsnmp_tdata_add_row(table_data, row);
return row;
}
/*
* remove a row from the table
*/
void
ocStbHostAVInterfaceTable_removeEntry(netsnmp_tdata * table_data,
netsnmp_tdata_row * row) {
struct ocStbHostAVInterfaceTable_entry *entry;
if (!row)
return; /* Nothing to remove */
entry = (struct ocStbHostAVInterfaceTable_entry *)
netsnmp_tdata_remove_and_delete_row(table_data, row);
if (entry)
SNMP_FREE(entry); /* XXX - release any other internal
resources */
}
/*
* Example cache handling - set up table_data list from a suitable file
*/
int
ocStbHostAVInterfaceTable_load(netsnmp_cache * cache, void *vmagic) {
netsnmp_tdata *table = (netsnmp_tdata *) vmagic;
netsnmp_tdata_row *row;
//struct ocStbHostAVInterfaceTable_entry *this
//cache->magic
/**
*vl_ocStbHostAVInterfaceTable_getdata module will Initialise the
contents of the table here
*/
printf(".................table initialise here ............\n");
if(0 == vl_ocStbHostAVInterfaceTable_getdata(table))
{
//vl_ocStbHostAVInterfaceTable_getdata"
printf(" ERROR:: Not yet table initialise here \n");
}
#if 0
FILE * fp;
char buf[STRMAX];
;
fp = fopen("/data/for/ocStbHostAVInterfaceTable", "r");
while (fgets(buf, STRMAX, fp)) {
/*
* Unpick 'buf' to extract the index values...
*/
this =
ocStbHostAVInterfaceTable_createEntry(table,
ocStbHostAVInterfaceIndex);
/*
* ... and then populate 'this' with the column values
*/
} fclose (fp);
#endif
}
void
ocStbHostAVInterfaceTable_free(netsnmp_cache * cache, void *vmagic) {
netsnmp_tdata * table = (netsnmp_tdata *) vmagic;
netsnmp_tdata_row *this;
netsnmp_tdata_delete_table(table);
// while ((this = netsnmp_tdata_get_first_row(table))) {
// netsnmp_tdata_remove_and_delete_row(table, this);
// }
}
/** handles requests for the ocStbHostAVInterfaceTable table */
int
ocStbHostAVInterfaceTable_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 ocStbHostAVInterfaceTable_entry *table_entry;
int ret;
switch (reqinfo->mode) {
/*
* Read-support (also covers GetNext requests)
*/
case MODE_GET:
for (request = requests; request; request = request->next) {
table_entry = (struct ocStbHostAVInterfaceTable_entry *)
netsnmp_tdata_extract_entry(request);
table_info = netsnmp_extract_table_info(request);
printf("....ocStbHostAVInterfaceTable_handler:: ..MODE_GET:
............\n");
switch (table_info->colnum) {
case COLUMN_OCSTBHOSTAVINTERFACETYPE:
if (!table_entry) {
netsnmp_set_request_error(reqinfo, request,
SNMP_NOSUCHINSTANCE);
continue;
}
snmp_set_var_typed_value(request->requestvb, ASN_OBJECT_ID,
(u_char *) table_entry->
ocStbHostAVInterfaceType,
table_entry->
ocStbHostAVInterfaceType_len);
printf("....COLUMN_OCSTBHOSTAVINTERFACETYPE:: ..MODE_GET:
............\n");
break;
case COLUMN_OCSTBHOSTAVINTERFACEDESC:
if (!table_entry) {
netsnmp_set_request_error(reqinfo, request,
SNMP_NOSUCHINSTANCE);
continue;
}
snmp_set_var_typed_value(request->requestvb, ASN_OCTET_STR,
(u_char *) table_entry->
ocStbHostAVInterfaceDesc,
table_entry->
ocStbHostAVInterfaceDesc_len);
printf("....COLUMN_OCSTBHOSTAVINTERFACEDESC:: ..MODE_GET:
............\n");
break;
case COLUMN_OCSTBHOSTAVINTERFACESTATUS:
if (!table_entry) {
netsnmp_set_request_error(reqinfo, request,
SNMP_NOSUCHINSTANCE);
continue;
}
snmp_set_var_typed_integer(request->requestvb, ASN_INTEGER,
table_entry->
ocStbHostAVInterfaceStatus);
break;
default:
netsnmp_set_request_error(reqinfo, request,
SNMP_NOSUCHOBJECT);
break;
}
}
break;
}
return SNMP_ERR_NOERROR;
}
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