#include <netinet/in.h>
#if HAVE_NETDB_H
-# include <netdb.h> /* NI_MAXHOST */
+#include <netdb.h> /* NI_MAXHOST */
#endif
#ifdef HAVE_SYS_CAPABILITY_H
-# include <sys/capability.h>
+#include <sys/capability.h>
#endif
#include <oping.h>
#ifndef NI_MAXHOST
-# define NI_MAXHOST 1025
+#define NI_MAXHOST 1025
#endif
#if defined(OPING_VERSION) && (OPING_VERSION >= 1003000)
-# define HAVE_OPING_1_3
+#define HAVE_OPING_1_3
#endif
/*
* Private data types
*/
-struct hostlist_s
-{
+struct hostlist_s {
char *host;
uint32_t pkg_sent;
*/
static hostlist_t *hostlist_head = NULL;
-static char *ping_source = NULL;
+static char *ping_source = NULL;
#ifdef HAVE_OPING_1_3
-static char *ping_device = NULL;
+static char *ping_device = NULL;
#endif
-static char *ping_data = NULL;
-static int ping_ttl = PING_DEF_TTL;
+static char *ping_data = NULL;
+static int ping_ttl = PING_DEF_TTL;
static double ping_interval = 1.0;
static double ping_timeout = 0.9;
-static int ping_max_missed = -1;
+static int ping_max_missed = -1;
-static int ping_thread_loop = 0;
-static int ping_thread_error = 0;
-static pthread_t ping_thread_id;
+static int ping_thread_loop = 0;
+static int ping_thread_error = 0;
+static pthread_t ping_thread_id;
static pthread_mutex_t ping_lock = PTHREAD_MUTEX_INITIALIZER;
-static pthread_cond_t ping_cond = PTHREAD_COND_INITIALIZER;
+static pthread_cond_t ping_cond = PTHREAD_COND_INITIALIZER;
-static const char *config_keys[] =
-{
- "Host",
- "SourceAddress",
+static const char *config_keys[] = {"Host", "SourceAddress",
#ifdef HAVE_OPING_1_3
- "Device",
+ "Device",
#endif
- "Size",
- "TTL",
- "Interval",
- "Timeout",
- "MaxMissed"
-};
-static int config_keys_num = STATIC_ARRAY_SIZE (config_keys);
+ "Size", "TTL", "Interval",
+ "Timeout", "MaxMissed"};
+static int config_keys_num = STATIC_ARRAY_SIZE(config_keys);
/*
* Private functions
*/
/* Assure that `ts->tv_nsec' is in the range 0 .. 999999999 */
-static void time_normalize (struct timespec *ts) /* {{{ */
+static void time_normalize(struct timespec *ts) /* {{{ */
{
- while (ts->tv_nsec < 0)
- {
- if (ts->tv_sec == 0)
- {
+ while (ts->tv_nsec < 0) {
+ if (ts->tv_sec == 0) {
ts->tv_nsec = 0;
return;
}
- ts->tv_sec -= 1;
+ ts->tv_sec -= 1;
ts->tv_nsec += 1000000000;
}
- while (ts->tv_nsec >= 1000000000)
- {
- ts->tv_sec += 1;
+ while (ts->tv_nsec >= 1000000000) {
+ ts->tv_sec += 1;
ts->tv_nsec -= 1000000000;
}
} /* }}} void time_normalize */
/* Add `ts_int' to `tv_begin' and store the result in `ts_dest'. If the result
* is larger than `tv_end', copy `tv_end' to `ts_dest' instead. */
-static void time_calc (struct timespec *ts_dest, /* {{{ */
- const struct timespec *ts_int,
- const struct timeval *tv_begin,
- const struct timeval *tv_end)
-{
+static void time_calc(struct timespec *ts_dest, /* {{{ */
+ const struct timespec *ts_int,
+ const struct timeval *tv_begin,
+ const struct timeval *tv_end) {
ts_dest->tv_sec = tv_begin->tv_sec + ts_int->tv_sec;
ts_dest->tv_nsec = (tv_begin->tv_usec * 1000) + ts_int->tv_nsec;
- time_normalize (ts_dest);
+ time_normalize(ts_dest);
/* Assure that `(begin + interval) > end'.
* This may seem overly complicated, but `tv_sec' is of type `time_t'
* which may be `unsigned. *sigh* */
- if ((tv_end->tv_sec > ts_dest->tv_sec)
- || ((tv_end->tv_sec == ts_dest->tv_sec)
- && ((tv_end->tv_usec * 1000) > ts_dest->tv_nsec)))
- {
+ if ((tv_end->tv_sec > ts_dest->tv_sec) ||
+ ((tv_end->tv_sec == ts_dest->tv_sec) &&
+ ((tv_end->tv_usec * 1000) > ts_dest->tv_nsec))) {
ts_dest->tv_sec = tv_end->tv_sec;
ts_dest->tv_nsec = 1000 * tv_end->tv_usec;
}
- time_normalize (ts_dest);
+ time_normalize(ts_dest);
} /* }}} void time_calc */
-static int ping_dispatch_all (pingobj_t *pingobj) /* {{{ */
+static int ping_dispatch_all(pingobj_t *pingobj) /* {{{ */
{
hostlist_t *hl;
int status;
- for (pingobj_iter_t *iter = ping_iterator_get (pingobj);
- iter != NULL;
- iter = ping_iterator_next (iter))
- { /* {{{ */
+ for (pingobj_iter_t *iter = ping_iterator_get(pingobj); iter != NULL;
+ iter = ping_iterator_next(iter)) { /* {{{ */
char userhost[NI_MAXHOST];
double latency;
size_t param_size;
- param_size = sizeof (userhost);
- status = ping_iterator_get_info (iter,
+ param_size = sizeof(userhost);
+ status = ping_iterator_get_info(iter,
#ifdef PING_INFO_USERNAME
- PING_INFO_USERNAME,
+ PING_INFO_USERNAME,
#else
- PING_INFO_HOSTNAME,
+ PING_INFO_HOSTNAME,
#endif
- userhost, ¶m_size);
- if (status != 0)
- {
- WARNING ("ping plugin: ping_iterator_get_info failed: %s",
- ping_get_error (pingobj));
+ userhost, ¶m_size);
+ if (status != 0) {
+ WARNING("ping plugin: ping_iterator_get_info failed: %s",
+ ping_get_error(pingobj));
continue;
}
for (hl = hostlist_head; hl != NULL; hl = hl->next)
- if (strcmp (userhost, hl->host) == 0)
+ if (strcmp(userhost, hl->host) == 0)
break;
- if (hl == NULL)
- {
- WARNING ("ping plugin: Cannot find host %s.", userhost);
+ if (hl == NULL) {
+ WARNING("ping plugin: Cannot find host %s.", userhost);
continue;
}
- param_size = sizeof (latency);
- status = ping_iterator_get_info (iter, PING_INFO_LATENCY,
- (void *) &latency, ¶m_size);
- if (status != 0)
- {
- WARNING ("ping plugin: ping_iterator_get_info failed: %s",
- ping_get_error (pingobj));
+ param_size = sizeof(latency);
+ status = ping_iterator_get_info(iter, PING_INFO_LATENCY, (void *)&latency,
+ ¶m_size);
+ if (status != 0) {
+ WARNING("ping plugin: ping_iterator_get_info failed: %s",
+ ping_get_error(pingobj));
continue;
}
hl->pkg_sent++;
- if (latency >= 0.0)
- {
+ if (latency >= 0.0) {
hl->pkg_recv++;
hl->latency_total += latency;
hl->latency_squared += (latency * latency);
hl->pkg_missed++;
/* if the host did not answer our last N packages, trigger a resolv. */
- if ((ping_max_missed >= 0)
- && (hl->pkg_missed >= ((uint32_t) ping_max_missed)))
- { /* {{{ */
+ if ((ping_max_missed >= 0) &&
+ (hl->pkg_missed >= ((uint32_t)ping_max_missed))) { /* {{{ */
/* we reset the missed package counter here, since we only want to
* trigger a resolv every N packages and not every package _AFTER_ N
* missed packages */
hl->pkg_missed = 0;
- WARNING ("ping plugin: host %s has not answered %d PING requests,"
- " triggering resolve", hl->host, ping_max_missed);
+ WARNING("ping plugin: host %s has not answered %d PING requests,"
+ " triggering resolve",
+ hl->host, ping_max_missed);
/* we trigger the resolv simply be removeing and adding the host to our
* ping object */
- status = ping_host_remove (pingobj, hl->host);
- if (status != 0)
- {
- WARNING ("ping plugin: ping_host_remove (%s) failed.", hl->host);
- }
- else
- {
- status = ping_host_add (pingobj, hl->host);
+ status = ping_host_remove(pingobj, hl->host);
+ if (status != 0) {
+ WARNING("ping plugin: ping_host_remove (%s) failed.", hl->host);
+ } else {
+ status = ping_host_add(pingobj, hl->host);
if (status != 0)
- ERROR ("ping plugin: ping_host_add (%s) failed.", hl->host);
+ ERROR("ping plugin: ping_host_add (%s) failed.", hl->host);
}
} /* }}} ping_max_missed */
- } /* }}} for (iter) */
+ } /* }}} for (iter) */
- return (0);
+ return 0;
} /* }}} int ping_dispatch_all */
-static void *ping_thread (void *arg) /* {{{ */
+static void *ping_thread(void *arg) /* {{{ */
{
pingobj_t *pingobj = NULL;
- struct timeval tv_begin;
- struct timeval tv_end;
+ struct timeval tv_begin;
+ struct timeval tv_end;
struct timespec ts_wait;
struct timespec ts_int;
c_complain_t complaint = C_COMPLAIN_INIT_STATIC;
- pthread_mutex_lock (&ping_lock);
+ pthread_mutex_lock(&ping_lock);
- pingobj = ping_construct ();
- if (pingobj == NULL)
- {
- ERROR ("ping plugin: ping_construct failed.");
+ pingobj = ping_construct();
+ if (pingobj == NULL) {
+ ERROR("ping plugin: ping_construct failed.");
ping_thread_error = 1;
- pthread_mutex_unlock (&ping_lock);
- return ((void *) -1);
+ pthread_mutex_unlock(&ping_lock);
+ return (void *)-1;
}
if (ping_source != NULL)
- if (ping_setopt (pingobj, PING_OPT_SOURCE, (void *) ping_source) != 0)
- ERROR ("ping plugin: Failed to set source address: %s",
- ping_get_error (pingobj));
+ if (ping_setopt(pingobj, PING_OPT_SOURCE, (void *)ping_source) != 0)
+ ERROR("ping plugin: Failed to set source address: %s",
+ ping_get_error(pingobj));
#ifdef HAVE_OPING_1_3
if (ping_device != NULL)
- if (ping_setopt (pingobj, PING_OPT_DEVICE, (void *) ping_device) != 0)
- ERROR ("ping plugin: Failed to set device: %s",
- ping_get_error (pingobj));
+ if (ping_setopt(pingobj, PING_OPT_DEVICE, (void *)ping_device) != 0)
+ ERROR("ping plugin: Failed to set device: %s", ping_get_error(pingobj));
#endif
- ping_setopt (pingobj, PING_OPT_TIMEOUT, (void *) &ping_timeout);
- ping_setopt (pingobj, PING_OPT_TTL, (void *) &ping_ttl);
+ ping_setopt(pingobj, PING_OPT_TIMEOUT, (void *)&ping_timeout);
+ ping_setopt(pingobj, PING_OPT_TTL, (void *)&ping_ttl);
if (ping_data != NULL)
- ping_setopt (pingobj, PING_OPT_DATA, (void *) ping_data);
+ ping_setopt(pingobj, PING_OPT_DATA, (void *)ping_data);
/* Add all the hosts to the ping object. */
count = 0;
- for (hostlist_t *hl = hostlist_head; hl != NULL; hl = hl->next)
- {
+ for (hostlist_t *hl = hostlist_head; hl != NULL; hl = hl->next) {
int tmp_status;
- tmp_status = ping_host_add (pingobj, hl->host);
+ tmp_status = ping_host_add(pingobj, hl->host);
if (tmp_status != 0)
- WARNING ("ping plugin: ping_host_add (%s) failed: %s",
- hl->host, ping_get_error (pingobj));
+ WARNING("ping plugin: ping_host_add (%s) failed: %s", hl->host,
+ ping_get_error(pingobj));
else
count++;
}
- if (count == 0)
- {
- ERROR ("ping plugin: No host could be added to ping object. Giving up.");
+ if (count == 0) {
+ ERROR("ping plugin: No host could be added to ping object. Giving up.");
ping_thread_error = 1;
- pthread_mutex_unlock (&ping_lock);
- return ((void *) -1);
+ pthread_mutex_unlock(&ping_lock);
+ return (void *)-1;
}
/* Set up `ts_int' */
double temp_sec;
double temp_nsec;
- temp_nsec = modf (ping_interval, &temp_sec);
- ts_int.tv_sec = (time_t) temp_sec;
- ts_int.tv_nsec = (long) (temp_nsec * 1000000000L);
+ temp_nsec = modf(ping_interval, &temp_sec);
+ ts_int.tv_sec = (time_t)temp_sec;
+ ts_int.tv_nsec = (long)(temp_nsec * 1000000000L);
}
- while (ping_thread_loop > 0)
- {
+ while (ping_thread_loop > 0) {
int status;
_Bool send_successful = 0;
- if (gettimeofday (&tv_begin, NULL) < 0)
- {
- char errbuf[1024];
- ERROR ("ping plugin: gettimeofday failed: %s",
- sstrerror (errno, errbuf, sizeof (errbuf)));
+ if (gettimeofday(&tv_begin, NULL) < 0) {
+ ERROR("ping plugin: gettimeofday failed: %s", STRERRNO);
ping_thread_error = 1;
break;
}
- pthread_mutex_unlock (&ping_lock);
+ pthread_mutex_unlock(&ping_lock);
- status = ping_send (pingobj);
- if (status < 0)
- {
- c_complain (LOG_ERR, &complaint, "ping plugin: ping_send failed: %s",
- ping_get_error (pingobj));
- }
- else
- {
- c_release (LOG_NOTICE, &complaint, "ping plugin: ping_send succeeded.");
+ status = ping_send(pingobj);
+ if (status < 0) {
+ c_complain(LOG_ERR, &complaint, "ping plugin: ping_send failed: %s",
+ ping_get_error(pingobj));
+ } else {
+ c_release(LOG_NOTICE, &complaint, "ping plugin: ping_send succeeded.");
send_successful = 1;
}
- pthread_mutex_lock (&ping_lock);
+ pthread_mutex_lock(&ping_lock);
if (ping_thread_loop <= 0)
break;
if (send_successful)
- (void) ping_dispatch_all (pingobj);
+ (void)ping_dispatch_all(pingobj);
- if (gettimeofday (&tv_end, NULL) < 0)
- {
- char errbuf[1024];
- ERROR ("ping plugin: gettimeofday failed: %s",
- sstrerror (errno, errbuf, sizeof (errbuf)));
+ if (gettimeofday(&tv_end, NULL) < 0) {
+ ERROR("ping plugin: gettimeofday failed: %s", STRERRNO);
ping_thread_error = 1;
break;
}
/* Calculate the absolute time until which to wait and store it in
* `ts_wait'. */
- time_calc (&ts_wait, &ts_int, &tv_begin, &tv_end);
+ time_calc(&ts_wait, &ts_int, &tv_begin, &tv_end);
- pthread_cond_timedwait (&ping_cond, &ping_lock, &ts_wait);
+ pthread_cond_timedwait(&ping_cond, &ping_lock, &ts_wait);
if (ping_thread_loop <= 0)
break;
} /* while (ping_thread_loop > 0) */
- pthread_mutex_unlock (&ping_lock);
- ping_destroy (pingobj);
+ pthread_mutex_unlock(&ping_lock);
+ ping_destroy(pingobj);
- return ((void *) 0);
+ return (void *)0;
} /* }}} void *ping_thread */
-static int start_thread (void) /* {{{ */
+static int start_thread(void) /* {{{ */
{
int status;
- pthread_mutex_lock (&ping_lock);
+ pthread_mutex_lock(&ping_lock);
- if (ping_thread_loop != 0)
- {
- pthread_mutex_unlock (&ping_lock);
- return (0);
+ if (ping_thread_loop != 0) {
+ pthread_mutex_unlock(&ping_lock);
+ return 0;
}
ping_thread_loop = 1;
ping_thread_error = 0;
- status = plugin_thread_create (&ping_thread_id, /* attr = */ NULL,
- ping_thread, /* arg = */ (void *) 0);
- if (status != 0)
- {
+ status = plugin_thread_create(&ping_thread_id, /* attr = */ NULL, ping_thread,
+ /* arg = */ (void *)0, "ping");
+ if (status != 0) {
ping_thread_loop = 0;
- ERROR ("ping plugin: Starting thread failed.");
- pthread_mutex_unlock (&ping_lock);
- return (-1);
+ ERROR("ping plugin: Starting thread failed.");
+ pthread_mutex_unlock(&ping_lock);
+ return -1;
}
- pthread_mutex_unlock (&ping_lock);
- return (0);
+ pthread_mutex_unlock(&ping_lock);
+ return 0;
} /* }}} int start_thread */
-static int stop_thread (void) /* {{{ */
+static int stop_thread(void) /* {{{ */
{
int status;
- pthread_mutex_lock (&ping_lock);
+ pthread_mutex_lock(&ping_lock);
- if (ping_thread_loop == 0)
- {
- pthread_mutex_unlock (&ping_lock);
- return (-1);
+ if (ping_thread_loop == 0) {
+ pthread_mutex_unlock(&ping_lock);
+ return -1;
}
ping_thread_loop = 0;
- pthread_cond_broadcast (&ping_cond);
- pthread_mutex_unlock (&ping_lock);
+ pthread_cond_broadcast(&ping_cond);
+ pthread_mutex_unlock(&ping_lock);
- status = pthread_join (ping_thread_id, /* return = */ NULL);
- if (status != 0)
- {
- ERROR ("ping plugin: Stopping thread failed.");
+ status = pthread_join(ping_thread_id, /* return = */ NULL);
+ if (status != 0) {
+ ERROR("ping plugin: Stopping thread failed.");
status = -1;
}
- pthread_mutex_lock (&ping_lock);
- memset (&ping_thread_id, 0, sizeof (ping_thread_id));
+ pthread_mutex_lock(&ping_lock);
+ memset(&ping_thread_id, 0, sizeof(ping_thread_id));
ping_thread_error = 0;
- pthread_mutex_unlock (&ping_lock);
+ pthread_mutex_unlock(&ping_lock);
- return (status);
+ return status;
} /* }}} int stop_thread */
-static int ping_init (void) /* {{{ */
+static int ping_init(void) /* {{{ */
{
- if (hostlist_head == NULL)
- {
- NOTICE ("ping plugin: No hosts have been configured.");
- return (-1);
+ if (hostlist_head == NULL) {
+ NOTICE("ping plugin: No hosts have been configured.");
+ return -1;
}
- if (ping_timeout > ping_interval)
- {
+ if (ping_timeout > ping_interval) {
ping_timeout = 0.9 * ping_interval;
- WARNING ("ping plugin: Timeout is greater than interval. "
- "Will use a timeout of %gs.", ping_timeout);
+ WARNING("ping plugin: Timeout is greater than interval. "
+ "Will use a timeout of %gs.",
+ ping_timeout);
}
#if defined(HAVE_SYS_CAPABILITY_H) && defined(CAP_NET_RAW)
- if (check_capability (CAP_NET_RAW) != 0)
- {
- if (getuid () == 0)
- WARNING ("ping plugin: Running collectd as root, but the CAP_NET_RAW "
- "capability is missing. The plugin's read function will probably "
- "fail. Is your init system dropping capabilities?");
+ if (check_capability(CAP_NET_RAW) != 0) {
+ if (getuid() == 0)
+ WARNING("ping plugin: Running collectd as root, but the CAP_NET_RAW "
+ "capability is missing. The plugin's read function will probably "
+ "fail. Is your init system dropping capabilities?");
else
- WARNING ("ping plugin: collectd doesn't have the CAP_NET_RAW capability. "
- "If you don't want to run collectd as root, try running \"setcap "
- "cap_net_raw=ep\" on the collectd binary.");
+ WARNING("ping plugin: collectd doesn't have the CAP_NET_RAW capability. "
+ "If you don't want to run collectd as root, try running \"setcap "
+ "cap_net_raw=ep\" on the collectd binary.");
}
#endif
- return (start_thread ());
+ return start_thread();
} /* }}} int ping_init */
-static int config_set_string (const char *name, /* {{{ */
- char **var, const char *value)
-{
+static int config_set_string(const char *name, /* {{{ */
+ char **var, const char *value) {
char *tmp;
- tmp = strdup (value);
- if (tmp == NULL)
- {
- char errbuf[1024];
- ERROR ("ping plugin: Setting `%s' to `%s' failed: strdup failed: %s",
- name, value, sstrerror (errno, errbuf, sizeof (errbuf)));
- return (1);
+ tmp = strdup(value);
+ if (tmp == NULL) {
+ ERROR("ping plugin: Setting `%s' to `%s' failed: strdup failed: %s", name,
+ value, STRERRNO);
+ return 1;
}
if (*var != NULL)
- free (*var);
+ free(*var);
*var = tmp;
- return (0);
+ return 0;
} /* }}} int config_set_string */
-static int ping_config (const char *key, const char *value) /* {{{ */
+static int ping_config(const char *key, const char *value) /* {{{ */
{
- if (strcasecmp (key, "Host") == 0)
- {
+ if (strcasecmp(key, "Host") == 0) {
hostlist_t *hl;
char *host;
- hl = malloc (sizeof (*hl));
- if (hl == NULL)
- {
- char errbuf[1024];
- ERROR ("ping plugin: malloc failed: %s",
- sstrerror (errno, errbuf, sizeof (errbuf)));
- return (1);
+ hl = malloc(sizeof(*hl));
+ if (hl == NULL) {
+ ERROR("ping plugin: malloc failed: %s", STRERRNO);
+ return 1;
}
- host = strdup (value);
- if (host == NULL)
- {
- char errbuf[1024];
- sfree (hl);
- ERROR ("ping plugin: strdup failed: %s",
- sstrerror (errno, errbuf, sizeof (errbuf)));
- return (1);
+ host = strdup(value);
+ if (host == NULL) {
+ sfree(hl);
+ ERROR("ping plugin: strdup failed: %s", STRERRNO);
+ return 1;
}
hl->host = host;
hl->latency_squared = 0.0;
hl->next = hostlist_head;
hostlist_head = hl;
- }
- else if (strcasecmp (key, "SourceAddress") == 0)
- {
- int status = config_set_string (key, &ping_source, value);
+ } else if (strcasecmp(key, "SourceAddress") == 0) {
+ int status = config_set_string(key, &ping_source, value);
if (status != 0)
- return (status);
+ return status;
}
#ifdef HAVE_OPING_1_3
- else if (strcasecmp (key, "Device") == 0)
- {
- int status = config_set_string (key, &ping_device, value);
+ else if (strcasecmp(key, "Device") == 0) {
+ int status = config_set_string(key, &ping_device, value);
if (status != 0)
- return (status);
+ return status;
}
#endif
- else if (strcasecmp (key, "TTL") == 0)
- {
- int ttl = atoi (value);
+ else if (strcasecmp(key, "TTL") == 0) {
+ int ttl = atoi(value);
if ((ttl > 0) && (ttl <= 255))
ping_ttl = ttl;
else
- WARNING ("ping plugin: Ignoring invalid TTL %i.", ttl);
- }
- else if (strcasecmp (key, "Interval") == 0)
- {
+ WARNING("ping plugin: Ignoring invalid TTL %i.", ttl);
+ } else if (strcasecmp(key, "Interval") == 0) {
double tmp;
- tmp = atof (value);
+ tmp = atof(value);
if (tmp > 0.0)
ping_interval = tmp;
else
- WARNING ("ping plugin: Ignoring invalid interval %g (%s)",
- tmp, value);
- }
- else if (strcasecmp (key, "Size") == 0) {
- size_t size = (size_t) atoi (value);
+ WARNING("ping plugin: Ignoring invalid interval %g (%s)", tmp, value);
+ } else if (strcasecmp(key, "Size") == 0) {
+ size_t size = (size_t)atoi(value);
/* Max IP packet size - (IPv6 + ICMP) = 65535 - (40 + 8) = 65487 */
- if (size <= 65487)
- {
- sfree (ping_data);
- ping_data = malloc (size + 1);
- if (ping_data == NULL)
- {
- ERROR ("ping plugin: malloc failed.");
- return (1);
+ if (size <= 65487) {
+ sfree(ping_data);
+ ping_data = malloc(size + 1);
+ if (ping_data == NULL) {
+ ERROR("ping plugin: malloc failed.");
+ return 1;
}
/* Note: By default oping is using constant string
/* This restricts data pattern to be only composed of easily
* printable characters, and not NUL character. */
ping_data[i] = ('0' + i % 64);
- } /* }}} for (i = 0; i < size; i++) */
+ } /* }}} for (i = 0; i < size; i++) */
ping_data[size] = 0;
} else
- WARNING ("ping plugin: Ignoring invalid Size %zu.", size);
- }
- else if (strcasecmp (key, "Timeout") == 0)
- {
+ WARNING("ping plugin: Ignoring invalid Size %zu.", size);
+ } else if (strcasecmp(key, "Timeout") == 0) {
double tmp;
- tmp = atof (value);
+ tmp = atof(value);
if (tmp > 0.0)
ping_timeout = tmp;
else
- WARNING ("ping plugin: Ignoring invalid timeout %g (%s)",
- tmp, value);
- }
- else if (strcasecmp (key, "MaxMissed") == 0)
- {
- ping_max_missed = atoi (value);
+ WARNING("ping plugin: Ignoring invalid timeout %g (%s)", tmp, value);
+ } else if (strcasecmp(key, "MaxMissed") == 0) {
+ ping_max_missed = atoi(value);
if (ping_max_missed < 0)
- INFO ("ping plugin: MaxMissed < 0, disabled re-resolving of hosts");
- }
- else
- {
- return (-1);
+ INFO("ping plugin: MaxMissed < 0, disabled re-resolving of hosts");
+ } else {
+ return -1;
}
- return (0);
+ return 0;
} /* }}} int ping_config */
-static void submit (const char *host, const char *type, /* {{{ */
- gauge_t value)
-{
- value_t values[1];
+static void submit(const char *host, const char *type, /* {{{ */
+ gauge_t value) {
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, "ping", sizeof (vl.plugin));
- sstrncpy (vl.plugin_instance, "", sizeof (vl.plugin_instance));
- sstrncpy (vl.type_instance, host, sizeof (vl.type_instance));
- sstrncpy (vl.type, type, sizeof (vl.type));
+ sstrncpy(vl.plugin, "ping", sizeof(vl.plugin));
+ sstrncpy(vl.type_instance, host, sizeof(vl.type_instance));
+ sstrncpy(vl.type, type, sizeof(vl.type));
- plugin_dispatch_values (&vl);
+ plugin_dispatch_values(&vl);
} /* }}} void ping_submit */
-static int ping_read (void) /* {{{ */
+static int ping_read(void) /* {{{ */
{
- if (ping_thread_error != 0)
- {
- ERROR ("ping plugin: The ping thread had a problem. Restarting it.");
+ if (ping_thread_error != 0) {
+ ERROR("ping plugin: The ping thread had a problem. Restarting it.");
- stop_thread ();
+ stop_thread();
- for (hostlist_t *hl = hostlist_head; hl != NULL; hl = hl->next)
- {
+ for (hostlist_t *hl = hostlist_head; hl != NULL; hl = hl->next) {
hl->pkg_sent = 0;
hl->pkg_recv = 0;
hl->latency_total = 0.0;
hl->latency_squared = 0.0;
}
- start_thread ();
+ start_thread();
- return (-1);
+ return -1;
} /* if (ping_thread_error != 0) */
for (hostlist_t *hl = hostlist_head; hl != NULL; hl = hl->next) /* {{{ */
/* Locking here works, because the structure of the linked list is only
* changed during configure and shutdown. */
- pthread_mutex_lock (&ping_lock);
+ pthread_mutex_lock(&ping_lock);
pkg_sent = hl->pkg_sent;
pkg_recv = hl->pkg_recv;
hl->latency_total = 0.0;
hl->latency_squared = 0.0;
- pthread_mutex_unlock (&ping_lock);
+ pthread_mutex_unlock(&ping_lock);
/* This e. g. happens when starting up. */
- if (pkg_sent == 0)
- {
- DEBUG ("ping plugin: No packages for host %s have been sent.",
- hl->host);
+ if (pkg_sent == 0) {
+ DEBUG("ping plugin: No packages for host %s have been sent.", hl->host);
continue;
}
if (pkg_recv == 0)
latency_average = NAN;
else
- latency_average = latency_total / ((double) pkg_recv);
+ latency_average = latency_total / ((double)pkg_recv);
/* Calculate standard deviation. Beware even more of division by zero. */
if (pkg_recv == 0)
else if (pkg_recv == 1)
latency_stddev = 0.0;
else
- latency_stddev = sqrt (((((double) pkg_recv) * latency_squared)
- - (latency_total * latency_total))
- / ((double) (pkg_recv * (pkg_recv - 1))));
+ latency_stddev = sqrt(((((double)pkg_recv) * latency_squared) -
+ (latency_total * latency_total)) /
+ ((double)(pkg_recv * (pkg_recv - 1))));
/* Calculate drop rate. */
- droprate = ((double) (pkg_sent - pkg_recv)) / ((double) pkg_sent);
+ droprate = ((double)(pkg_sent - pkg_recv)) / ((double)pkg_sent);
- submit (hl->host, "ping", latency_average);
- submit (hl->host, "ping_stddev", latency_stddev);
- submit (hl->host, "ping_droprate", droprate);
+ submit(hl->host, "ping", latency_average);
+ submit(hl->host, "ping_stddev", latency_stddev);
+ submit(hl->host, "ping_droprate", droprate);
} /* }}} for (hl = hostlist_head; hl != NULL; hl = hl->next) */
- return (0);
+ return 0;
} /* }}} int ping_read */
-static int ping_shutdown (void) /* {{{ */
+static int ping_shutdown(void) /* {{{ */
{
hostlist_t *hl;
- INFO ("ping plugin: Shutting down thread.");
- if (stop_thread () < 0)
- return (-1);
+ INFO("ping plugin: Shutting down thread.");
+ if (stop_thread() < 0)
+ return -1;
hl = hostlist_head;
- while (hl != NULL)
- {
+ while (hl != NULL) {
hostlist_t *hl_next;
hl_next = hl->next;
- sfree (hl->host);
- sfree (hl);
+ sfree(hl->host);
+ sfree(hl);
hl = hl_next;
}
if (ping_data != NULL) {
- free (ping_data);
+ free(ping_data);
ping_data = NULL;
}
- return (0);
+ return 0;
} /* }}} int ping_shutdown */
-void module_register (void)
-{
- plugin_register_config ("ping", ping_config,
- config_keys, config_keys_num);
- plugin_register_init ("ping", ping_init);
- plugin_register_read ("ping", ping_read);
- plugin_register_shutdown ("ping", ping_shutdown);
+void module_register(void) {
+ plugin_register_config("ping", ping_config, config_keys, config_keys_num);
+ plugin_register_init("ping", ping_init);
+ plugin_register_read("ping", ping_read);
+ plugin_register_shutdown("ping", ping_shutdown);
} /* void module_register */
-
-/* vim: set sw=2 sts=2 et fdm=marker : */