/**
* collectd - src/ntpd.c
- * Copyright (C) 2006 Florian octo Forster
+ * Copyright (C) 2006-2007 Florian octo Forster
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
#include "configfile.h"
#include "utils_debug.h"
-#define MODULE_NAME "ntpd"
-
#if HAVE_SYS_SOCKET_H
# define NTPD_HAVE_READ 1
#else
#if HAVE_NETINET_TCP_H
# include <netinet/tcp.h>
#endif
-#if HAVE_SYS_POLL_H
-# include <sys/poll.h>
+#if HAVE_POLL_H
+# include <poll.h>
#endif
-static char *config_keys[] =
+static data_source_t seconds_dsrc[1] =
{
- "Host",
- "Port",
- NULL
+ {"seconds", DS_TYPE_GAUGE, -1000000.0, 1000000.0}
};
-static int config_keys_num = 2;
-/* drift */
-static char *time_offset_file = "ntpd/time_offset-%s.rrd";
-static char *time_offset_ds_def[] =
+static data_set_t time_offset_ds =
{
- "DS:ms:GAUGE:"COLLECTD_HEARTBEAT":-1000000:1000000",
- NULL
+ "time_offset", 1, seconds_dsrc
+};
+
+static data_set_t time_dispersion_ds =
+{
+ "time_dispersion", 1, seconds_dsrc
+};
+
+static data_set_t delay_ds =
+{
+ "delay", 1, seconds_dsrc
+};
+
+static data_source_t ppm_dsrc[1] =
+{
+ {"ppm", DS_TYPE_GAUGE, -1000000.0, 1000000.0}
+};
+
+static data_set_t frequency_offset_ds =
+{
+ "frequency_offset", 1, ppm_dsrc
};
-static int time_offset_ds_num = 1;
-static char *frequency_offset_file = "ntpd/frequency_offset-%s.rrd";
-static char *frequency_offset_ds_def[] =
+static const char *config_keys[] =
{
- "DS:ppm:GAUGE:"COLLECTD_HEARTBEAT":-1000000:1000000",
+ "Host",
+ "Port",
NULL
};
-static int frequency_offset_ds_num = 1;
+static int config_keys_num = 2;
#if NTPD_HAVE_READ
# define NTPD_DEFAULT_HOST "localhost"
static int sock_descr = -1;
static char *ntpd_host = NULL;
static char *ntpd_port = NULL;
-#endif
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* The following definitions were copied from the NTPd distribution *
#define IMPL_XNTPD 3
#define FP_FRAC 65536.0
+#define REFCLOCK_ADDR 0x7f7f0000 /* 127.127.0.0 */
+#define REFCLOCK_MASK 0xffff0000 /* 255.255.0.0 */
+
/* This structure is missing the message authentication code, since collectd
* doesn't use it. */
struct req_pkt
int32_t errcnt;
int32_t stbcnt;
};
+
+/* List of reference clock names */
+static char *refclock_names[] =
+{
+ "UNKNOWN", "LOCAL", "GPS_TRAK", "WWV_PST", /* 0- 3 */
+ "SPECTRACOM", "TRUETIME", "IRIG_AUDIO", "CHU_AUDIO", /* 4- 7 */
+ "GENERIC", "GPS_MX4200", "GPS_AS2201", "GPS_ARBITER", /* 8-11 */
+ "IRIG_TPRO", "ATOM_LEITCH", "MSF_EES", "GPSTM_TRUE", /* 12-15 */
+ "GPS_BANC", "GPS_DATUM", "ACTS_NIST", "WWV_HEATH", /* 16-19 */
+ "GPS_NMEA", "GPS_VME", "PPS", "ACTS_PTB", /* 20-23 */
+ "ACTS_USNO", "TRUETIME", "GPS_HP", "MSF_ARCRON", /* 24-27 */
+ "SHM", "GPS_PALISADE", "GPS_ONCORE", "GPS_JUPITER", /* 28-31 */
+ "CHRONOLOG", "DUMBCLOCK", "ULINK_M320", "PCF", /* 32-35 */
+ "WWV_AUDIO", "GPS_FG", "HOPF_S", "HOPF_P", /* 36-39 */
+ "JJY", "TT_IRIG", "GPS_ZYFER", "GPS_RIPENCC", /* 40-43 */
+ "NEOCLK4X", NULL /* 44 */
+};
+static int refclock_names_num = 45;
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* End of the copied stuff.. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
-static int ntpd_config (char *key, char *value)
+static int ntpd_config (const char *key, const char *value)
{
if (strcasecmp (key, "host") == 0)
{
return (0);
}
-static void ntpd_init (void)
-{
- return;
-}
-
-static void ntpd_write_time_offset (char *host, char *inst, char *val)
-{
- char buf[256];
- int status;
-
- status = snprintf (buf, 256, time_offset_file, inst);
- if ((status < 1) || (status >= 256))
- return;
-
- rrd_update_file (host, buf, val,
- time_offset_ds_def, time_offset_ds_num);
-}
-
-static void ntpd_write_frequency_offset (char *host, char *inst, char *val)
+static void ntpd_submit (char *type, char *type_inst, double value)
{
- char buf[256];
- int status;
+ value_t values[1];
+ value_list_t vl = VALUE_LIST_INIT;
- status = snprintf (buf, 256, frequency_offset_file, inst);
- if ((status < 1) || (status >= 256))
- return;
+ values[0].gauge = value;
- rrd_update_file (host, buf, val,
- frequency_offset_ds_def, frequency_offset_ds_num);
-}
-
-#if NTPD_HAVE_READ
-static void ntpd_submit (char *type, char *inst, double value)
-{
- char buf[256];
-
- if (snprintf (buf, 256, "%u:%.8f", (unsigned int) curtime, value) >= 256)
- return;
+ vl.values = values;
+ vl.values_len = 1;
+ vl.time = time (NULL);
+ strcpy (vl.host, hostname);
+ strcpy (vl.plugin, "ntpd");
+ strcpy (vl.plugin_instance, "");
+ strncpy (vl.type_instance, type_inst, sizeof (vl.type_instance));
- DBG ("type = %s; inst = %s; value = %s;",
- type, inst, buf);
-
- plugin_submit (type, inst, buf);
+ plugin_dispatch_values (type, &vl);
}
/* returns `tv0 - tv1' in milliseconds or 0 if `tv1 > tv0' */
if (status < 0)
{
DBG ("recv(2) failed: %s", strerror (errno));
+ DBG ("Closing socket #%i", sd);
+ close (sd);
+ sock_descr = sd = -1;
return (-1);
}
(items_num + pkt_item_num) * res_item_size);
items = realloc ((void *) *res_data,
(items_num + pkt_item_num) * res_item_size);
+ items_num += pkt_item_num;
if (items == NULL)
{
items = *res_data;
status = swrite (sd, (const char *) &req, REQ_LEN_NOMAC);
if (status < 0)
+ {
+ DBG ("`swrite' failed. Closing socket #%i", sd);
+ close (sd);
+ sock_descr = sd = -1;
return (status);
+ }
return (0);
}
return (val_double);
}
-static void ntpd_read (void)
+static int ntpd_read (void)
{
struct info_kernel *ik;
int ik_num;
if (status != 0)
{
DBG ("ntpd_do_query failed with status %i", status);
- return;
+ return (-1);
}
if ((ik == NULL) || (ik_num == 0) || (ik_size == 0))
{
DBG ("ntpd_do_query returned: ik = %p; ik_num = %i; ik_size = %i;",
(void *) ik, ik_num, ik_size);
- return;
+ return (-1);
}
/* kerninfo -> estimated error */
ntpd_read_fp (ik->freq),
ntpd_read_fp (ik->esterror));
- ntpd_submit ("ntpd_frequency_offset", "loop", ntpd_read_fp (ik->freq));
- ntpd_submit ("ntpd_time_offset", "loop", ntpd_read_fp (ik->offset));
- ntpd_submit ("ntpd_time_offset", "error", ntpd_read_fp (ik->esterror));
+ 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));
free (ik);
ik = NULL;
if (status != 0)
{
DBG ("ntpd_do_query failed with status %i", status);
- return;
+ return (-1);
}
if ((ps == NULL) || (ps_num == 0) || (ps_size == 0))
{
DBG ("ntpd_do_query returned: ps = %p; ps_num = %i; ps_size = %i;",
(void *) ps, ps_num, ps_size);
- return;
+ return (-1);
}
for (i = 0; i < ps_num; i++)
struct info_peer_summary *ptr;
double offset;
- char peername[512];
+ char peername[NI_MAXHOST];
+ int refclock_id;
ptr = ps + i;
+ refclock_id = 0;
- if (((ntohl (ptr->dstadr) & 0xFF000000) == 0x7F000000) || (ptr->dstadr == 0))
+ /*
+ if (((ntohl (ptr->dstadr) & 0xFFFFFF00) == 0x7F000000) || (ptr->dstadr == 0))
continue;
+ */
/* Convert the `long floating point' offset value to double */
M_LFPTOD (ntohl (ptr->offset_int), ntohl (ptr->offset_frc), offset);
if (ptr->v6_flag)
{
- status = getnameinfo ((const struct sockaddr *) &ptr->srcadr6,
- sizeof (ptr->srcadr6),
+ struct sockaddr_in6 sa;
+
+ memset (&sa, 0, sizeof (sa));
+ sa.sin6_family = AF_INET6;
+ sa.sin6_port = htons (123);
+ memcpy (&sa.sin6_addr, &ptr->srcadr6, sizeof (struct in6_addr));
+
+ status = getnameinfo ((const struct sockaddr *) &sa,
+ sizeof (sa),
peername, sizeof (peername),
NULL, 0, 0 /* no flags */);
if (status != 0)
continue;
}
}
+ else if ((ntohl (ptr->srcadr) & REFCLOCK_MASK) == REFCLOCK_ADDR)
+ {
+ struct in_addr addr_obj;
+ char *addr_str;
+
+ refclock_id = (ntohl (ptr->srcadr) >> 8) & 0x000000FF;
+
+ if (refclock_id < refclock_names_num)
+ {
+ strncpy (peername, refclock_names[refclock_id],
+ sizeof (peername));
+ }
+ else
+ {
+ memset ((void *) &addr_obj, '\0', sizeof (addr_obj));
+ addr_obj.s_addr = ptr->srcadr;
+ addr_str = inet_ntoa (addr_obj);
+
+ strncpy (peername, addr_str, sizeof (peername));
+ }
+ }
else /* IPv4 */
{
struct in_addr addr_obj;
offset,
ntpd_read_fp (ptr->dispersion));
- ntpd_submit ("ntpd_time_offset", peername, offset);
+ if (refclock_id != 1) /* not the system clock (offset will always be zero.. */
+ ntpd_submit ("time_offset", peername, offset);
+ ntpd_submit ("time_dispersion", peername, ntpd_read_fp (ptr->dispersion));
+ if (refclock_id == 0) /* not a reference clock */
+ ntpd_submit ("delay", peername, ntpd_read_fp (ptr->delay));
}
free (ps);
ps = NULL;
- return;
-}
-#else
-# define ntpd_read NULL
+ return (0);
+} /* int ntpd_read */
#endif /* NTPD_HAVE_READ */
void module_register (void)
{
- plugin_register (MODULE_NAME, ntpd_init, ntpd_read, NULL);
- plugin_register ("ntpd_time_offset", NULL, NULL, ntpd_write_time_offset);
- plugin_register ("ntpd_frequency_offset", NULL, NULL, ntpd_write_frequency_offset);
- cf_register (MODULE_NAME, ntpd_config, config_keys, config_keys_num);
-}
+ plugin_register_data_set (&time_offset_ds);
+ plugin_register_data_set (&time_dispersion_ds);
+ plugin_register_data_set (&delay_ds);
+ plugin_register_data_set (&frequency_offset_ds);
-#undef MODULE_NAME
+#if NTPD_HAVE_READ
+ plugin_register_config ("ntpd", ntpd_config, config_keys, config_keys_num);
+ plugin_register_read ("ntpd", ntpd_read);
+#endif /* NTPD_HAVE_READ */
+}
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