* Florian octo Forster <octo at verplant.org>
**/
+#define _BSD_SOURCE /* For NI_MAXHOST */
+
#include "collectd.h"
#include "common.h"
#include "plugin.h"
vl.values = values;
vl.values_len = 1;
- vl.time = time (NULL);
sstrncpy (vl.host, hostname_g, sizeof (vl.host));
sstrncpy (vl.plugin, "ntpd", sizeof (vl.plugin));
sstrncpy (vl.plugin_instance, "", sizeof (vl.plugin_instance));
plugin_dispatch_values (&vl);
}
-/* returns `tv0 - tv1' in milliseconds or 0 if `tv1 > tv0' */
-static int timeval_sub (const struct timeval *tv0, const struct timeval *tv1)
-{
- int sec;
- int usec;
-
- if ((tv0->tv_sec < tv1->tv_sec)
- || ((tv0->tv_sec == tv1->tv_sec) && (tv0->tv_usec < tv1->tv_usec)))
- return (0);
-
- sec = tv0->tv_sec - tv1->tv_sec;
- usec = tv0->tv_usec - tv1->tv_usec;
-
- while (usec < 0)
- {
- usec += 1000000;
- sec -= 1;
- }
-
- if (sec < 0)
- return (0);
-
- return ((sec * 1000) + ((usec + 500) / 1000));
-}
-
static int ntpd_connect (void)
{
char *host;
done = 0;
while (done == 0)
{
+ struct timeval time_left;
+
if (gettimeofday (&time_now, NULL) < 0)
{
char errbuf[1024];
return (-1);
}
+ if (timeval_cmp (time_end, time_now, &time_left) <= 0)
+ timeout = 0;
+ else
+ timeout = 1000 * time_left.tv_sec
+ + ((time_left.tv_usec + 500) / 1000);
+
/* timeout reached */
- if ((timeout = timeval_sub (&time_end, &time_now)) == 0)
+ if (timeout <= 0)
break;
poll_s.fd = sd;
if (ptr->v6_flag)
{
- struct sockaddr_in6 *sa_ptr;
- sa_ptr = (struct sockaddr_in6 *) &sa;
+ struct sockaddr_in6 sa6;
- sa_ptr->sin6_family = AF_INET6;
- sa_ptr->sin6_port = htons (123);
- memcpy (&sa_ptr->sin6_addr, &ptr->srcadr6,
+ assert (sizeof (sa) >= sizeof (sa6));
+
+ memset (&sa6, 0, sizeof (sa6));
+ sa6.sin6_family = AF_INET6;
+ sa6.sin6_port = htons (123);
+ memcpy (&sa6.sin6_addr, &ptr->srcadr6,
sizeof (struct in6_addr));
- sa_len = sizeof (struct sockaddr_in6);
+ sa_len = sizeof (sa6);
+
+ memcpy (&sa, &sa6, sizeof (sa6));
}
else
{
- struct sockaddr_in *sa_ptr;
- sa_ptr = (struct sockaddr_in *) &sa;
+ struct sockaddr_in sa4;
- sa_ptr->sin_family = AF_INET;
- sa_ptr->sin_port = htons (123);
- memcpy (&sa_ptr->sin_addr, &ptr->srcadr,
+ assert (sizeof (sa) >= sizeof (sa4));
+
+ memset (&sa4, 0, sizeof (sa4));
+ sa4.sin_family = AF_INET;
+ sa4.sin_port = htons (123);
+ memcpy (&sa4.sin_addr, &ptr->srcadr,
sizeof (struct in_addr));
- sa_len = sizeof (struct sockaddr_in);
+ sa_len = sizeof (sa4);
+
+ memcpy (&sa, &sa4, sizeof (sa4));
}
if (do_reverse_lookups == 0)