#ifdef HAVE_OPING_1_3
static char *ping_device = NULL;
#endif
+static char *ping_data = NULL;
static int ping_ttl = PING_DEF_TTL;
static double ping_interval = 1.0;
static double ping_timeout = 0.9;
#ifdef HAVE_OPING_1_3
"Device",
#endif
+ "Size",
"TTL",
"Interval",
"Timeout",
hl->pkg_missed++;
/* if the host did not answer our last N packages, trigger a resolv. */
- if (ping_max_missed >= 0 && hl->pkg_missed >= ping_max_missed)
+ if ((ping_max_missed >= 0)
+ && (hl->pkg_missed >= ((uint32_t) ping_max_missed)))
{ /* {{{ */
/* we reset the missed package counter here, since we only want to
* trigger a resolv every N packages and not every package _AFTER_ N
ping_setopt (pingobj, PING_OPT_TIMEOUT, (void *) &ping_timeout);
ping_setopt (pingobj, PING_OPT_TTL, (void *) &ping_ttl);
+ if (ping_data != NULL)
+ ping_setopt (pingobj, PING_OPT_DATA, (void *) ping_data);
+
/* Add all the hosts to the ping object. */
count = 0;
for (hl = hostlist_head; hl != NULL; hl = hl->next)
pthread_mutex_unlock (&ping_lock);
return (-1);
}
-
+
pthread_mutex_unlock (&ping_lock);
return (0);
} /* }}} int start_thread */
hostlist_t *hl;
char *host;
- hl = (hostlist_t *) malloc (sizeof (hostlist_t));
+ hl = malloc (sizeof (*hl));
if (hl == NULL)
{
char errbuf[1024];
WARNING ("ping plugin: Ignoring invalid interval %g (%s)",
tmp, value);
}
+ else if (strcasecmp (key, "Size") == 0) {
+ size_t size = (size_t) atoi (value);
+
+ /* Max IP packet size - (IPv6 + ICMP) = 65535 - (40 + 8) = 65487 */
+ if (size <= 65487)
+ {
+ size_t i;
+
+ sfree (ping_data);
+ ping_data = malloc (size + 1);
+ if (ping_data == NULL)
+ {
+ ERROR ("ping plugin: malloc failed.");
+ return (1);
+ }
+
+ /* Note: By default oping is using constant string
+ * "liboping -- ICMP ping library <http://octo.it/liboping/>"
+ * which is exactly 56 bytes.
+ *
+ * Optimally we would follow the ping(1) behaviour, but we
+ * cannot use byte 00 or start data payload at exactly same
+ * location, due to oping library limitations. */
+ for (i = 0; i < size; i++) /* {{{ */
+ {
+ /* This restricts data pattern to be only composed of easily
+ * printable characters, and not NUL character. */
+ ping_data[i] = ('0' + i % 64);
+ } /* }}} for (i = 0; i < size; i++) */
+ ping_data[size] = 0;
+ } else
+ WARNING ("ping plugin: Ignoring invalid Size %zu.", size);
+ }
else if (strcasecmp (key, "Timeout") == 0)
{
double tmp;
hl = hl_next;
}
+ if (ping_data != NULL) {
+ free (ping_data);
+ ping_data = NULL;
+ }
+
return (0);
} /* }}} int ping_shutdown */