projects
/
collectd.git
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
|
inline
| side by side
ntpd: Check STA_NANO in the server status
[collectd.git]
/
src
/
ntpd.c
diff --git
a/src/ntpd.c
b/src/ntpd.c
index
ee2c048
..
34a084b
100644
(file)
--- a/
src/ntpd.c
+++ b/
src/ntpd.c
@@
-51,6
+51,10
@@
# include <poll.h>
#endif
# include <poll.h>
#endif
+#ifndef STA_NANO
+# define STA_NANO 0x2000
+#endif
+
static const char *config_keys[] =
{
"Host",
static const char *config_keys[] =
{
"Host",
@@
-163,16
+167,16
@@
struct resp_pkt
/* l_fp to double */
#define M_LFPTOD(r_i, r_uf, d) \
do { \
/* l_fp to double */
#define M_LFPTOD(r_i, r_uf, d) \
do { \
- register int32_t i; \
- register uint32_t f; \
+ register int32_t
r
i; \
+ register uint32_t
r
f; \
\
\
- i = (r_i); \
- f = (r_uf); \
- if (i < 0) { \
- M_NEG(
i,
f); \
- (d) = -((double)
i + ((double)
f) / 4294967296.0); \
+
r
i = (r_i); \
+
r
f = (r_uf); \
+ if (
r
i < 0) { \
+ M_NEG(
ri, r
f); \
+ (d) = -((double)
ri + ((double) r
f) / 4294967296.0); \
} else { \
} else { \
- (d) = (double)
i + ((double)
f) / 4294967296.0; \
+ (d) = (double)
ri + ((double) r
f) / 4294967296.0; \
} \
} while (0)
} \
} while (0)
@@
-247,7
+251,7
@@
struct info_kernel
};
/* List of reference clock names */
};
/* List of reference clock names */
-static char *refclock_names[] =
+static c
onst c
har *refclock_names[] =
{
"UNKNOWN", "LOCAL", "GPS_TRAK", "WWV_PST", /* 0- 3 */
"SPECTRACOM", "TRUETIME", "IRIG_AUDIO", "CHU_AUDIO", /* 4- 7 */
{
"UNKNOWN", "LOCAL", "GPS_TRAK", "WWV_PST", /* 0- 3 */
"SPECTRACOM", "TRUETIME", "IRIG_AUDIO", "CHU_AUDIO", /* 4- 7 */
@@
-307,7
+311,7
@@
static int ntpd_config (const char *key, const char *value)
return (0);
}
return (0);
}
-static void ntpd_submit (c
har *type,
char *type_inst, gauge_t value)
+static void ntpd_submit (c
onst char *type, const
char *type_inst, gauge_t value)
{
value_t values[1];
value_list_t vl = VALUE_LIST_INIT;
{
value_t values[1];
value_list_t vl = VALUE_LIST_INIT;
@@
-328,8
+332,8
@@
static void ntpd_submit (char *type, char *type_inst, gauge_t value)
/* Each time a peer is polled, ntpd shifts the reach register to the left and
* sets the LSB based on whether the peer was reachable. If the LSB is zero,
* the values are out of date. */
/* Each time a peer is polled, ntpd shifts the reach register to the left and
* sets the LSB based on whether the peer was reachable. If the LSB is zero,
* the values are out of date. */
-static void ntpd_submit_reach (c
har *type, char *type_inst, uint8_t reach
,
- gauge_t value)
+static void ntpd_submit_reach (c
onst char *type, const char *type_inst
,
+
uint8_t reach,
gauge_t value)
{
if (!(reach & 1))
value = NAN;
{
if (!(reach & 1))
value = NAN;
@@
-339,8
+343,8
@@
static void ntpd_submit_reach (char *type, char *type_inst, uint8_t reach,
static int ntpd_connect (void)
{
static int ntpd_connect (void)
{
- char *host;
- char *port;
+ c
onst c
har *host;
+ c
onst c
har *port;
struct addrinfo ai_hints;
struct addrinfo *ai_list;
struct addrinfo ai_hints;
struct addrinfo *ai_list;
@@
-663,7
+667,7
@@
static int ntpd_receive_response (int *res_items, int *res_size,
*/
DEBUG ("realloc (%p, %zu)", (void *) *res_data,
(items_num + pkt_item_num) * res_item_size);
*/
DEBUG ("realloc (%p, %zu)", (void *) *res_data,
(items_num + pkt_item_num) * res_item_size);
- items = realloc (
(void *)
*res_data,
+ items = realloc (*res_data,
(items_num + pkt_item_num) * res_item_size);
if (items == NULL)
{
(items_num + pkt_item_num) * res_item_size);
if (items == NULL)
{
@@
-910,8
+914,7
@@
static int ntpd_read (void)
int i;
/* On Linux, if the STA_NANO bit is set in ik->status, then ik->offset
int i;
/* On Linux, if the STA_NANO bit is set in ik->status, then ik->offset
- * is is nanoseconds, otherwise it's microseconds.
- * TODO(octo): STA_NANO is defined in the Linux specific <sys/timex.h> header. */
+ * is is nanoseconds, otherwise it's microseconds. */
double scale_loop = 1e-6;
double scale_error = 1e-6;
double scale_loop = 1e-6;
double scale_error = 1e-6;
@@
-936,6
+939,11
@@
static int ntpd_read (void)
return (-1);
}
return (-1);
}
+ if (ntohs(ik->status) & STA_NANO) {
+ scale_loop = 1e-9;
+ scale_error = 1e-9;
+ }
+
/* kerninfo -> estimated error */
offset_loop = scale_loop * ((gauge_t) ntohl (ik->offset));
freq_loop = ntpd_read_fp (ik->freq);
/* kerninfo -> estimated error */
offset_loop = scale_loop * ((gauge_t) ntohl (ik->offset));
freq_loop = ntpd_read_fp (ik->freq);