int check_and_reload_table (struct internal_mib_table *table)
{
/*
* If the saved data is fairly recent,
* we don't need to reload it
*/
if (table->cache_markerM && !(netsnmp_ready_monotonic (table->cache_markerM, table->cache_timeout * 1000)))
return 1;
/*
* Call the routine provided to read in the data
*
* N.B: Update the cache marker *before* calling
* this routine, to avoid problems with recursion
*/
netsnmp_set_monotonic_marker (&table->cache_markerM);
table->next_index = 1;
if (table->reload ((mib_table_t) table) < 0)
{
free (table->cache_markerM);
table->cache_markerM = NULL;
return 0;
}
table->current_index = 1;
if (table->compare != NULL) /* Sort the table */
qsort (TABLE_START (table), table->next_index - 1, table->data_size, table->compare);
return 1;
}
/** Check if the cache timeout has passed. Sets and return the expired flag. */
int
netsnmp_cache_check_expired(netsnmp_cache *cache)
{
if(NULL == cache)
return 0;
if (cache->expired)
return 1;
if(!cache->valid || (NULL == cache->timestampM) || (-1 == cache->timeout))
cache->expired = 1;
else
cache->expired = netsnmp_ready_monotonic(cache->timestampM,
1000 * cache->timeout);
return cache->expired;
}