From: Florian Forster Date: Wed, 31 Jan 2007 15:22:37 +0000 (+0100) Subject: ntpd plugin: Converted to the new plugin interface. X-Git-Tag: collectd-4.0.0~207 X-Git-Url: https://git.verplant.org/?a=commitdiff_plain;h=4dc48314be6a40b0d561d9dbf257c92f6197d15c;p=collectd.git ntpd plugin: Converted to the new plugin interface. --- diff --git a/src/ntpd.c b/src/ntpd.c index e37b3a1c..366c24b4 100644 --- a/src/ntpd.c +++ b/src/ntpd.c @@ -1,6 +1,6 @@ /** * 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 @@ -25,8 +25,6 @@ #include "configfile.h" #include "utils_debug.h" -#define MODULE_NAME "ntpd" - #if HAVE_SYS_SOCKET_H # define NTPD_HAVE_READ 1 #else @@ -55,34 +53,43 @@ # include #endif -static char *config_keys[] = +static data_source_t seconds_dsrc[1] = { - "Host", - "Port", - NULL + {"seconds", DS_TYPE_GAUGE, -1000000.0, 1000000.0} +}; + +static data_set_t time_offset_ds = +{ + "time_offset", 1, seconds_dsrc }; -static int config_keys_num = 2; -/* drift */ -static char *time_offset_file = "ntpd/time_offset-%s.rrd"; -static char *time_dispersion_file = "ntpd/time_dispersion-%s.rrd"; -static char *time_delay_file = "ntpd/delay-%s.rrd"; +static data_set_t time_dispersion_ds = +{ + "time_dispersion", 1, seconds_dsrc +}; -/* used for `time_offset', `time_dispersion', and `delay' */ -static char *sec_ds_def[] = +static data_set_t delay_ds = { - "DS:seconds:GAUGE:"COLLECTD_HEARTBEAT":-1000000:1000000", - NULL + "delay", 1, seconds_dsrc +}; + +static data_source_t ppm_dsrc[1] = +{ + {"ppm", DS_TYPE_GAUGE, -1000000.0, 1000000.0} }; -static int sec_ds_num = 1; -static char *frequency_offset_file = "ntpd/frequency_offset-%s.rrd"; -static char *frequency_offset_ds_def[] = +static data_set_t frequency_offset_ds = { - "DS:ppm:GAUGE:"COLLECTD_HEARTBEAT":-1000000:1000000", + "frequency_offset", 1, ppm_dsrc +}; + +static const char *config_keys[] = +{ + "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" @@ -90,7 +97,6 @@ static int frequency_offset_ds_num = 1; 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 * @@ -286,7 +292,7 @@ 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) { @@ -310,64 +316,22 @@ static int ntpd_config (char *key, char *value) return (0); } -static void ntpd_init (void) +static void ntpd_submit (char *type, char *type_inst, double value) { - return; -} + value_t values[1]; + value_list_t vl = VALUE_LIST_INIT; -static void ntpd_write_sec (char *host, char *inst, char *val, char *file) -{ - char buf[256]; - int status; + values[0].gauge = value; - status = snprintf (buf, 256, file, inst); - if ((status < 1) || (status >= 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)); - rrd_update_file (host, buf, val, - sec_ds_def, sec_ds_num); -} - -static void ntpd_write_time_offset (char *host, char *inst, char *val) -{ - ntpd_write_sec (host, inst, val, time_offset_file); -} - -static void ntpd_write_time_dispersion (char *host, char *inst, char *val) -{ - ntpd_write_sec (host, inst, val, time_dispersion_file); -} - -static void ntpd_write_delay (char *host, char *inst, char *val) -{ - ntpd_write_sec (host, inst, val, time_delay_file); -} - -static void ntpd_write_frequency_offset (char *host, char *inst, char *val) -{ - char buf[256]; - int status; - - status = snprintf (buf, 256, frequency_offset_file, inst); - if ((status < 1) || (status >= 256)) - return; - - 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; - - 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' */ @@ -810,7 +774,7 @@ static double ntpd_read_fp (int32_t val_int) return (val_double); } -static void ntpd_read (void) +static int ntpd_read (void) { struct info_kernel *ik; int ik_num; @@ -835,13 +799,13 @@ static void ntpd_read (void) 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 */ @@ -854,9 +818,9 @@ static void ntpd_read (void) 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; @@ -868,13 +832,13 @@ static void ntpd_read (void) 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++) @@ -979,29 +943,28 @@ static void ntpd_read (void) ntpd_read_fp (ptr->dispersion)); if (refclock_id != 1) /* not the system clock (offset will always be zero.. */ - ntpd_submit ("ntpd_time_offset", peername, offset); - ntpd_submit ("ntpd_time_dispersion", peername, ntpd_read_fp (ptr->dispersion)); + 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 ("ntpd_delay", peername, ntpd_read_fp (ptr->delay)); + 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_time_dispersion", NULL, NULL, ntpd_write_time_dispersion); - plugin_register ("ntpd_delay", NULL, NULL, ntpd_write_delay); - 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 */ +}