+static int rrd_cache_flush_identifier (int timeout, const char *identifier)
+{
+ rrd_cache_t *rc;
+ time_t now;
+ int status;
+ char key[2048];
+
+ if (identifier == NULL)
+ {
+ rrd_cache_flush (timeout);
+ return (0);
+ }
+
+ now = time (NULL);
+
+ if (datadir == NULL)
+ snprintf (key, sizeof (key), "%s.rrd",
+ identifier);
+ else
+ snprintf (key, sizeof (key), "%s/%s.rrd",
+ datadir, identifier);
+ key[sizeof (key) - 1] = 0;
+
+ status = c_avl_get (cache, key, (void *) &rc);
+ if (status != 0)
+ {
+ WARNING ("rrdtool plugin: rrd_cache_flush_identifier: "
+ "c_avl_get (%s) failed. Does that file really exist?",
+ key);
+ return (status);
+ }
+
+ if (rc->flags == FLAG_QUEUED)
+ status = 0;
+ else if ((now - rc->first_value) < timeout)
+ status = 0;
+ else if (rc->values_num > 0)
+ {
+ status = rrd_queue_cache_entry (key);
+ if (status == 0)
+ rc->flags = FLAG_QUEUED;
+ }
+
+ return (status);
+} /* int rrd_cache_flush_identifier */
+