#define _BSD_SOURCE /* For NI_MAXHOST */
#include "collectd.h"
+
#include "common.h"
#include "plugin.h"
-#include "configfile.h"
#if HAVE_STDINT_H
# include <stdint.h>
# include <poll.h>
#endif
+#ifndef STA_NANO
+# define STA_NANO 0x2000
+#endif
+
static const char *config_keys[] =
{
"Host",
/* l_fp to double */
#define M_LFPTOD(r_i, r_uf, d) \
do { \
- register int32_t i; \
- register uint32_t f; \
+ register int32_t ri; \
+ register uint32_t rf; \
\
- i = (r_i); \
- f = (r_uf); \
- if (i < 0) { \
- M_NEG(i, f); \
- (d) = -((double) i + ((double) f) / 4294967296.0); \
+ ri = (r_i); \
+ rf = (r_uf); \
+ if (ri < 0) { \
+ M_NEG(ri, rf); \
+ (d) = -((double) ri + ((double) rf) / 4294967296.0); \
} else { \
- (d) = (double) i + ((double) f) / 4294967296.0; \
+ (d) = (double) ri + ((double) rf) / 4294967296.0; \
} \
} while (0)
};
/* List of reference clock names */
-static char *refclock_names[] =
+static const char *refclock_names[] =
{
"UNKNOWN", "LOCAL", "GPS_TRAK", "WWV_PST", /* 0- 3 */
"SPECTRACOM", "TRUETIME", "IRIG_AUDIO", "CHU_AUDIO", /* 4- 7 */
return (0);
}
-static void ntpd_submit (char *type, char *type_inst, double value)
+static void ntpd_submit (const char *type, const char *type_inst, gauge_t value)
{
- value_t values[1];
value_list_t vl = VALUE_LIST_INIT;
- values[0].gauge = value;
-
- vl.values = values;
+ vl.values = &(value_t) { .gauge = value };
vl.values_len = 1;
- sstrncpy (vl.host, hostname_g, sizeof (vl.host));
sstrncpy (vl.plugin, "ntpd", sizeof (vl.plugin));
- sstrncpy (vl.plugin_instance, "", sizeof (vl.plugin_instance));
sstrncpy (vl.type, type, sizeof (vl.type));
sstrncpy (vl.type_instance, type_inst, sizeof (vl.type_instance));
/* 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* the values are out of date.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 (char *type, char *type_inst, uint8_t reach,
- double value)
+static void ntpd_submit_reach (const char *type, const char *type_inst,
+ uint8_t reach, gauge_t value)
{
if (!(reach & 1))
value = NAN;
static int ntpd_connect (void)
{
- char *host;
- char *port;
+ const char *host;
+ const char *port;
- struct addrinfo ai_hints;
struct addrinfo *ai_list;
- struct addrinfo *ai_ptr;
int status;
if (sock_descr >= 0)
if (strlen (port) == 0)
port = NTPD_DEFAULT_PORT;
- memset (&ai_hints, '\0', sizeof (ai_hints));
- ai_hints.ai_flags = 0;
-#ifdef AI_ADDRCONFIG
- ai_hints.ai_flags |= AI_ADDRCONFIG;
-#endif
- ai_hints.ai_family = PF_UNSPEC;
- ai_hints.ai_socktype = SOCK_DGRAM;
- ai_hints.ai_protocol = IPPROTO_UDP;
+ struct addrinfo ai_hints = {
+ .ai_family = AF_UNSPEC,
+ .ai_flags = AI_ADDRCONFIG,
+ .ai_protocol = IPPROTO_UDP,
+ .ai_socktype = SOCK_DGRAM
+ };
if ((status = getaddrinfo (host, port, &ai_hints, &ai_list)) != 0)
{
return (-1);
}
- for (ai_ptr = ai_list; ai_ptr != NULL; ai_ptr = ai_ptr->ai_next)
+ for (struct addrinfo *ai_ptr = ai_list; ai_ptr != NULL; ai_ptr = ai_ptr->ai_next)
{
/* create our socket descriptor */
if ((sock_descr = socket (ai_ptr->ai_family,
struct resp_pkt res;
int status;
int done;
- int i;
char *items;
size_t items_num;
struct timeval time_now;
int timeout;
- int pkt_item_num; /* items in this packet */
- int pkt_item_len; /* size of the items in this packet */
+ int pkt_item_num; /* items in this packet */
+ int pkt_item_len; /* size of the items in this packet */
int pkt_sequence;
- char pkt_recvd[MAXSEQ+1]; /* sequence numbers that have been received */
- int pkt_recvd_num; /* number of packets that have been received */
- int pkt_lastseq; /* the last sequence number */
- ssize_t pkt_padding; /* Padding in this packet */
+ char pkt_recvd[MAXSEQ+1] = { 0 }; /* sequence numbers that have been received */
+ int pkt_recvd_num; /* number of packets that have been received */
+ int pkt_lastseq; /* the last sequence number */
+ ssize_t pkt_padding; /* Padding in this packet */
if ((sd = ntpd_connect ()) < 0)
return (-1);
items = NULL;
items_num = 0;
- memset (pkt_recvd, '\0', sizeof (pkt_recvd));
pkt_recvd_num = 0;
pkt_lastseq = -1;
break;
}
- memset ((void *) &res, '\0', sizeof (res));
+ memset (&res, '\0', sizeof (res));
status = recv (sd, (void *) &res, sizeof (res), 0 /* no flags */);
if ((status < 0) && ((errno == EAGAIN) || (errno == EINTR)))
*/
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_data = items;
- for (i = 0; i < pkt_item_num; i++)
+ for (int i = 0; i < pkt_item_num; i++)
{
/* dst: There are already `*res_items' items with
* res_item_size bytes each in in `*res_data'. Set
static int ntpd_send_request (int req_code, int req_items, int req_size, char *req_data)
{
int sd;
- struct req_pkt req;
+ struct req_pkt req = { 0 };
size_t req_data_len;
int status;
if ((sd = ntpd_connect ()) < 0)
return (-1);
- memset ((void *) &req, '\0', sizeof (req));
req.rm_vn_mode = RM_VN_MODE(0, 0, 0);
req.auth_seq = AUTH_SEQ (0, 0);
req.implementation = IMPL_XNTPD;
static int ntpd_get_name_from_address (char *buffer, size_t buffer_size,
struct info_peer_summary const *peer_info, _Bool do_reverse_lookup)
{
- struct sockaddr_storage sa;
+ struct sockaddr_storage sa = { 0 };
socklen_t sa_len;
int flags = 0;
int status;
- memset (&sa, 0, sizeof (sa));
-
if (peer_info->v6_flag)
{
- struct sockaddr_in6 sa6;
+ struct sockaddr_in6 sa6 = { 0 };
assert (sizeof (sa) >= sizeof (sa6));
- memset (&sa6, 0, sizeof (sa6));
sa6.sin6_family = AF_INET6;
sa6.sin6_port = htons (123);
memcpy (&sa6.sin6_addr, &peer_info->srcadr6,
}
else
{
- struct sockaddr_in sa4;
+ struct sockaddr_in sa4 = { 0 };
assert (sizeof (sa) >= sizeof (sa4));
- memset (&sa4, 0, sizeof (sa4));
sa4.sin_family = AF_INET;
sa4.sin_port = htons (123);
memcpy (&sa4.sin_addr, &peer_info->srcadr,
int ps_num;
int ps_size;
+ gauge_t offset_loop;
+ gauge_t freq_loop;
+ gauge_t offset_error;
+
int status;
- int i;
+
+ /* On Linux, if the STA_NANO bit is set in ik->status, then ik->offset
+ * is is nanoseconds, otherwise it's microseconds. */
+ double scale_loop = 1e-6;
+ double scale_error = 1e-6;
ik = NULL;
ik_num = 0;
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);
+ offset_error = scale_error * ((gauge_t) ntohl (ik->esterror));
DEBUG ("info_kernel:\n"
- " pll offset = %.8f\n"
- " pll frequency = %.8f\n" /* drift compensation */
- " est error = %.8f\n",
- ntpd_read_fp (ik->offset),
- ntpd_read_fp (ik->freq),
- ntpd_read_fp (ik->esterror));
+ " pll offset = %.8g\n"
+ " pll frequency = %.8g\n" /* drift compensation */
+ " est error = %.8g\n",
+ offset_loop, freq_loop, offset_error);
- ntpd_submit ("frequency_offset", "loop", ntpd_read_fp (ik->freq));
- ntpd_submit ("time_offset", "loop", ntpd_read_fp (ik->offset));
- ntpd_submit ("time_offset", "error", ntpd_read_fp (ik->esterror));
+ ntpd_submit ("frequency_offset", "loop", freq_loop);
+ ntpd_submit ("time_offset", "loop", offset_loop);
+ ntpd_submit ("time_offset", "error", offset_error);
free (ik);
ik = NULL;
return (-1);
}
- for (i = 0; i < ps_num; i++)
+ for (int i = 0; i < ps_num; i++)
{
struct info_peer_summary *ptr;
double offset;
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