I used the mib2c.mfd to create template files for a MIB table. But when I
initialized the mib in the subagent code, the table oid was not registered.
I tried the debug mode, found out that only the following routines were called:
verbose:xxxTable:xxxTable_init_data called
verbose:xxxTable:xxxTable_container_init called
Since I used the template file, and didn't cache the data, I only changed the
function call xxxTable_container_load to read in the MIB values from the
memory.
Here is the code that I modified:
int xxxTable_container_load(netsnmp_container * container)
{
xxxTable_rowreq_ctx *rowreq_ctx;
size_t count = 0;
/*
* channelIndex(1)/INTEGER32/ASN_INTEGER/long(long)//l/a/w/e/r/d/h
*/
long channelIndex;
while (1) {
/*
* TODO:352:M: | |-> set indexes in new xxxTable rowreq context.
*/
if (count >= chan_stats.total_channels)
break;
channelIndex = chan_tbl[count].index;
rowreq_ctx = xxxTable_allocate_rowreq_ctx(NULL);
if (NULL == rowreq_ctx) {
snmp_log(LOG_ERR, "memory allocation failed\n");
return MFD_RESOURCE_UNAVAILABLE;
}
if (MFD_SUCCESS !=
xxxTable_indexes_set(rowreq_ctx, channelIndex)) {
snmp_log(LOG_ERR,
"error setting index while loading "
"xxxTable data.\n");
xxxTable_release_rowreq_ctx(rowreq_ctx);
continue;
}
/*
* TODO:352:r: | |-> populate xxxTable data context.
*/
if ((NULL == rowreq_ctx->data.channelName) ||
(rowreq_ctx->data.channelName_len <
strlen(chan_tbl[count].chan_name) + 1 )) {
snmp_log(LOG_ERR, "not enough space for value\n");
return MFD_ERROR;
}
rowreq_ctx->data.channelName_len = strlen(chan_tbl[count].chan_name) +
1;
memcpy(rowreq_ctx->data.channelName, chan_tbl[count].chan_name,
rowreq_ctx->data.channelName_len );
/*
* insert into table container
*/
CONTAINER_INSERT(container, rowreq_ctx);
++count;
}
return MFD_SUCCESS;
}
Inside the subagent code, I initialized two MIBs:
init_xxxScalars();
init_xxxTable();
I can get all scalars using snmpwalk, but I got the following output using
"snmpwalk -v2c -c public localhost xxxTable"
xxxTable = No Such Object available on this agent at this OID
Did I miss anything? Why was the MIB table not loaded?
Thanks
Cindy
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