**/
#include "collectd.h"
+
#include "common.h"
#include "plugin.h"
#include "utils_avltree.h"
#include "utils_cache.h"
#include "utils_threshold.h"
-#include <assert.h>
-
/*
* Threshold management
* ====================
* structure is copied and may be destroyed after this call. Returns zero on
* success, non-zero otherwise.
*/
-static int ut_threshold_add (const threshold_t *th)
-{ /* {{{ */
+static int ut_threshold_add(const threshold_t *th) { /* {{{ */
char name[6 * DATA_MAX_NAME_LEN];
char *name_copy;
threshold_t *th_copy;
threshold_t *th_ptr;
int status = 0;
- if (format_name (name, sizeof (name), th->host,
- th->plugin, th->plugin_instance,
- th->type, th->type_instance) != 0)
- {
- ERROR ("ut_threshold_add: format_name failed.");
+ if (format_name(name, sizeof(name), th->host, th->plugin, th->plugin_instance,
+ th->type, th->type_instance) != 0) {
+ ERROR("ut_threshold_add: format_name failed.");
return (-1);
}
- name_copy = strdup (name);
- if (name_copy == NULL)
- {
- ERROR ("ut_threshold_add: strdup failed.");
+ name_copy = strdup(name);
+ if (name_copy == NULL) {
+ ERROR("ut_threshold_add: strdup failed.");
return (-1);
}
- th_copy = malloc (sizeof (*th_copy));
- if (th_copy == NULL)
- {
- sfree (name_copy);
- ERROR ("ut_threshold_add: malloc failed.");
+ th_copy = malloc(sizeof(*th_copy));
+ if (th_copy == NULL) {
+ sfree(name_copy);
+ ERROR("ut_threshold_add: malloc failed.");
return (-1);
}
- memcpy (th_copy, th, sizeof (threshold_t));
+ memcpy(th_copy, th, sizeof(threshold_t));
- DEBUG ("ut_threshold_add: Adding entry `%s'", name);
+ DEBUG("ut_threshold_add: Adding entry `%s'", name);
- pthread_mutex_lock (&threshold_lock);
+ pthread_mutex_lock(&threshold_lock);
- th_ptr = threshold_get (th->host, th->plugin, th->plugin_instance,
- th->type, th->type_instance);
+ th_ptr = threshold_get(th->host, th->plugin, th->plugin_instance, th->type,
+ th->type_instance);
while ((th_ptr != NULL) && (th_ptr->next != NULL))
th_ptr = th_ptr->next;
if (th_ptr == NULL) /* no such threshold yet */
{
- status = c_avl_insert (threshold_tree, name_copy, th_copy);
- }
- else /* th_ptr points to the last threshold in the list */
+ status = c_avl_insert(threshold_tree, name_copy, th_copy);
+ } else /* th_ptr points to the last threshold in the list */
{
th_ptr->next = th_copy;
/* name_copy isn't needed */
- sfree (name_copy);
+ sfree(name_copy);
}
- pthread_mutex_unlock (&threshold_lock);
+ pthread_mutex_unlock(&threshold_lock);
- if (status != 0)
- {
- ERROR ("ut_threshold_add: c_avl_insert (%s) failed.", name);
- sfree (name_copy);
- sfree (th_copy);
+ if (status != 0) {
+ ERROR("ut_threshold_add: c_avl_insert (%s) failed.", name);
+ sfree(name_copy);
+ sfree(th_copy);
}
return (status);
* The following approximately two hundred functions are used to handle the
* configuration and fill the threshold list.
* {{{ */
-static int ut_config_type_datasource (threshold_t *th, oconfig_item_t *ci)
-{
- if ((ci->values_num != 1)
- || (ci->values[0].type != OCONFIG_TYPE_STRING))
- {
- WARNING ("threshold values: The `DataSource' option needs exactly one "
- "string argument.");
+static int ut_config_type_datasource(threshold_t *th, oconfig_item_t *ci) {
+ if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING)) {
+ WARNING("threshold values: The `DataSource' option needs exactly one "
+ "string argument.");
return (-1);
}
- sstrncpy (th->data_source, ci->values[0].value.string,
- sizeof (th->data_source));
+ sstrncpy(th->data_source, ci->values[0].value.string,
+ sizeof(th->data_source));
return (0);
} /* int ut_config_type_datasource */
-static int ut_config_type_instance (threshold_t *th, oconfig_item_t *ci)
-{
- if ((ci->values_num != 1)
- || (ci->values[0].type != OCONFIG_TYPE_STRING))
- {
- WARNING ("threshold values: The `Instance' option needs exactly one "
- "string argument.");
+static int ut_config_type_instance(threshold_t *th, oconfig_item_t *ci) {
+ if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING)) {
+ WARNING("threshold values: The `Instance' option needs exactly one "
+ "string argument.");
return (-1);
}
- sstrncpy (th->type_instance, ci->values[0].value.string,
- sizeof (th->type_instance));
+ sstrncpy(th->type_instance, ci->values[0].value.string,
+ sizeof(th->type_instance));
return (0);
} /* int ut_config_type_instance */
-static int ut_config_type_max (threshold_t *th, oconfig_item_t *ci)
-{
- if ((ci->values_num != 1)
- || (ci->values[0].type != OCONFIG_TYPE_NUMBER))
- {
- WARNING ("threshold values: The `%s' option needs exactly one "
- "number argument.", ci->key);
+static int ut_config_type_max(threshold_t *th, oconfig_item_t *ci) {
+ if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_NUMBER)) {
+ WARNING("threshold values: The `%s' option needs exactly one "
+ "number argument.",
+ ci->key);
return (-1);
}
- if (strcasecmp (ci->key, "WarningMax") == 0)
+ if (strcasecmp(ci->key, "WarningMax") == 0)
th->warning_max = ci->values[0].value.number;
else
th->failure_max = ci->values[0].value.number;
return (0);
} /* int ut_config_type_max */
-static int ut_config_type_min (threshold_t *th, oconfig_item_t *ci)
-{
- if ((ci->values_num != 1)
- || (ci->values[0].type != OCONFIG_TYPE_NUMBER))
- {
- WARNING ("threshold values: The `%s' option needs exactly one "
- "number argument.", ci->key);
+static int ut_config_type_min(threshold_t *th, oconfig_item_t *ci) {
+ if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_NUMBER)) {
+ WARNING("threshold values: The `%s' option needs exactly one "
+ "number argument.",
+ ci->key);
return (-1);
}
- if (strcasecmp (ci->key, "WarningMin") == 0)
+ if (strcasecmp(ci->key, "WarningMin") == 0)
th->warning_min = ci->values[0].value.number;
else
th->failure_min = ci->values[0].value.number;
return (0);
} /* int ut_config_type_min */
-static int ut_config_type_hits (threshold_t *th, oconfig_item_t *ci)
-{
- if ((ci->values_num != 1)
- || (ci->values[0].type != OCONFIG_TYPE_NUMBER))
- {
- WARNING ("threshold values: The `%s' option needs exactly one "
- "number argument.", ci->key);
+static int ut_config_type_hits(threshold_t *th, oconfig_item_t *ci) {
+ if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_NUMBER)) {
+ WARNING("threshold values: The `%s' option needs exactly one "
+ "number argument.",
+ ci->key);
return (-1);
}
return (0);
} /* int ut_config_type_hits */
-static int ut_config_type_hysteresis (threshold_t *th, oconfig_item_t *ci)
-{
- if ((ci->values_num != 1)
- || (ci->values[0].type != OCONFIG_TYPE_NUMBER))
- {
- WARNING ("threshold values: The `%s' option needs exactly one "
- "number argument.", ci->key);
+static int ut_config_type_hysteresis(threshold_t *th, oconfig_item_t *ci) {
+ if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_NUMBER)) {
+ WARNING("threshold values: The `%s' option needs exactly one "
+ "number argument.",
+ ci->key);
return (-1);
}
return (0);
} /* int ut_config_type_hysteresis */
-static int ut_config_type (const threshold_t *th_orig, oconfig_item_t *ci)
-{
- int i;
+static int ut_config_type(const threshold_t *th_orig, oconfig_item_t *ci) {
threshold_t th;
int status = 0;
- if ((ci->values_num != 1)
- || (ci->values[0].type != OCONFIG_TYPE_STRING))
- {
- WARNING ("threshold values: The `Type' block needs exactly one string "
- "argument.");
+ if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING)) {
+ WARNING("threshold values: The `Type' block needs exactly one string "
+ "argument.");
return (-1);
}
- if (ci->children_num < 1)
- {
- WARNING ("threshold values: The `Type' block needs at least one option.");
+ if (ci->children_num < 1) {
+ WARNING("threshold values: The `Type' block needs at least one option.");
return (-1);
}
- memcpy (&th, th_orig, sizeof (th));
- sstrncpy (th.type, ci->values[0].value.string, sizeof (th.type));
+ memcpy(&th, th_orig, sizeof(th));
+ sstrncpy(th.type, ci->values[0].value.string, sizeof(th.type));
th.warning_min = NAN;
th.warning_max = NAN;
th.hysteresis = 0;
th.flags = UT_FLAG_INTERESTING; /* interesting by default */
- for (i = 0; i < ci->children_num; i++)
- {
+ for (int i = 0; i < ci->children_num; i++) {
oconfig_item_t *option = ci->children + i;
- if (strcasecmp ("Instance", option->key) == 0)
- status = ut_config_type_instance (&th, option);
- else if (strcasecmp ("DataSource", option->key) == 0)
- status = ut_config_type_datasource (&th, option);
- else if ((strcasecmp ("WarningMax", option->key) == 0)
- || (strcasecmp ("FailureMax", option->key) == 0))
- status = ut_config_type_max (&th, option);
- else if ((strcasecmp ("WarningMin", option->key) == 0)
- || (strcasecmp ("FailureMin", option->key) == 0))
- status = ut_config_type_min (&th, option);
- else if (strcasecmp ("Interesting", option->key) == 0)
- status = cf_util_get_flag (option, &th.flags, UT_FLAG_INTERESTING);
- else if (strcasecmp ("Invert", option->key) == 0)
- status = cf_util_get_flag (option, &th.flags, UT_FLAG_INVERT);
- else if (strcasecmp ("Persist", option->key) == 0)
- status = cf_util_get_flag (option, &th.flags, UT_FLAG_PERSIST);
- else if (strcasecmp ("PersistOK", option->key) == 0)
- status = cf_util_get_flag (option, &th.flags, UT_FLAG_PERSIST_OK);
- else if (strcasecmp ("Percentage", option->key) == 0)
- status = cf_util_get_flag (option, &th.flags, UT_FLAG_PERCENTAGE);
- else if (strcasecmp ("Hits", option->key) == 0)
- status = ut_config_type_hits (&th, option);
- else if (strcasecmp ("Hysteresis", option->key) == 0)
- status = ut_config_type_hysteresis (&th, option);
- else
- {
- WARNING ("threshold values: Option `%s' not allowed inside a `Type' "
- "block.", option->key);
+ if (strcasecmp("Instance", option->key) == 0)
+ status = ut_config_type_instance(&th, option);
+ else if (strcasecmp("DataSource", option->key) == 0)
+ status = ut_config_type_datasource(&th, option);
+ else if ((strcasecmp("WarningMax", option->key) == 0) ||
+ (strcasecmp("FailureMax", option->key) == 0))
+ status = ut_config_type_max(&th, option);
+ else if ((strcasecmp("WarningMin", option->key) == 0) ||
+ (strcasecmp("FailureMin", option->key) == 0))
+ status = ut_config_type_min(&th, option);
+ else if (strcasecmp("Interesting", option->key) == 0)
+ status = cf_util_get_flag(option, &th.flags, UT_FLAG_INTERESTING);
+ else if (strcasecmp("Invert", option->key) == 0)
+ status = cf_util_get_flag(option, &th.flags, UT_FLAG_INVERT);
+ else if (strcasecmp("Persist", option->key) == 0)
+ status = cf_util_get_flag(option, &th.flags, UT_FLAG_PERSIST);
+ else if (strcasecmp("PersistOK", option->key) == 0)
+ status = cf_util_get_flag(option, &th.flags, UT_FLAG_PERSIST_OK);
+ else if (strcasecmp("Percentage", option->key) == 0)
+ status = cf_util_get_flag(option, &th.flags, UT_FLAG_PERCENTAGE);
+ else if (strcasecmp("Hits", option->key) == 0)
+ status = ut_config_type_hits(&th, option);
+ else if (strcasecmp("Hysteresis", option->key) == 0)
+ status = ut_config_type_hysteresis(&th, option);
+ else {
+ WARNING("threshold values: Option `%s' not allowed inside a `Type' "
+ "block.",
+ option->key);
status = -1;
}
break;
}
- if (status == 0)
- {
- status = ut_threshold_add (&th);
+ if (status == 0) {
+ status = ut_threshold_add(&th);
}
return (status);
} /* int ut_config_type */
-static int ut_config_plugin_instance (threshold_t *th, oconfig_item_t *ci)
-{
- if ((ci->values_num != 1)
- || (ci->values[0].type != OCONFIG_TYPE_STRING))
- {
- WARNING ("threshold values: The `Instance' option needs exactly one "
- "string argument.");
+static int ut_config_plugin_instance(threshold_t *th, oconfig_item_t *ci) {
+ if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING)) {
+ WARNING("threshold values: The `Instance' option needs exactly one "
+ "string argument.");
return (-1);
}
- sstrncpy (th->plugin_instance, ci->values[0].value.string,
- sizeof (th->plugin_instance));
+ sstrncpy(th->plugin_instance, ci->values[0].value.string,
+ sizeof(th->plugin_instance));
return (0);
} /* int ut_config_plugin_instance */
-static int ut_config_plugin (const threshold_t *th_orig, oconfig_item_t *ci)
-{
- int i;
+static int ut_config_plugin(const threshold_t *th_orig, oconfig_item_t *ci) {
threshold_t th;
int status = 0;
- if ((ci->values_num != 1)
- || (ci->values[0].type != OCONFIG_TYPE_STRING))
- {
- WARNING ("threshold values: The `Plugin' block needs exactly one string "
- "argument.");
+ if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING)) {
+ WARNING("threshold values: The `Plugin' block needs exactly one string "
+ "argument.");
return (-1);
}
- if (ci->children_num < 1)
- {
- WARNING ("threshold values: The `Plugin' block needs at least one nested "
- "block.");
+ if (ci->children_num < 1) {
+ WARNING("threshold values: The `Plugin' block needs at least one nested "
+ "block.");
return (-1);
}
- memcpy (&th, th_orig, sizeof (th));
- sstrncpy (th.plugin, ci->values[0].value.string, sizeof (th.plugin));
+ memcpy(&th, th_orig, sizeof(th));
+ sstrncpy(th.plugin, ci->values[0].value.string, sizeof(th.plugin));
- for (i = 0; i < ci->children_num; i++)
- {
+ for (int i = 0; i < ci->children_num; i++) {
oconfig_item_t *option = ci->children + i;
- if (strcasecmp ("Type", option->key) == 0)
- status = ut_config_type (&th, option);
- else if (strcasecmp ("Instance", option->key) == 0)
- status = ut_config_plugin_instance (&th, option);
- else
- {
- WARNING ("threshold values: Option `%s' not allowed inside a `Plugin' "
- "block.", option->key);
+ if (strcasecmp("Type", option->key) == 0)
+ status = ut_config_type(&th, option);
+ else if (strcasecmp("Instance", option->key) == 0)
+ status = ut_config_plugin_instance(&th, option);
+ else {
+ WARNING("threshold values: Option `%s' not allowed inside a `Plugin' "
+ "block.",
+ option->key);
status = -1;
}
return (status);
} /* int ut_config_plugin */
-static int ut_config_host (const threshold_t *th_orig, oconfig_item_t *ci)
-{
- int i;
+static int ut_config_host(const threshold_t *th_orig, oconfig_item_t *ci) {
threshold_t th;
int status = 0;
- if ((ci->values_num != 1)
- || (ci->values[0].type != OCONFIG_TYPE_STRING))
- {
- WARNING ("threshold values: The `Host' block needs exactly one string "
- "argument.");
+ if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING)) {
+ WARNING("threshold values: The `Host' block needs exactly one string "
+ "argument.");
return (-1);
}
- if (ci->children_num < 1)
- {
- WARNING ("threshold values: The `Host' block needs at least one nested "
- "block.");
+ if (ci->children_num < 1) {
+ WARNING("threshold values: The `Host' block needs at least one nested "
+ "block.");
return (-1);
}
- memcpy (&th, th_orig, sizeof (th));
- sstrncpy (th.host, ci->values[0].value.string, sizeof (th.host));
+ memcpy(&th, th_orig, sizeof(th));
+ sstrncpy(th.host, ci->values[0].value.string, sizeof(th.host));
- for (i = 0; i < ci->children_num; i++)
- {
+ for (int i = 0; i < ci->children_num; i++) {
oconfig_item_t *option = ci->children + i;
- if (strcasecmp ("Type", option->key) == 0)
- status = ut_config_type (&th, option);
- else if (strcasecmp ("Plugin", option->key) == 0)
- status = ut_config_plugin (&th, option);
- else
- {
- WARNING ("threshold values: Option `%s' not allowed inside a `Host' "
- "block.", option->key);
+ if (strcasecmp("Type", option->key) == 0)
+ status = ut_config_type(&th, option);
+ else if (strcasecmp("Plugin", option->key) == 0)
+ status = ut_config_plugin(&th, option);
+ else {
+ WARNING("threshold values: Option `%s' not allowed inside a `Host' "
+ "block.",
+ option->key);
status = -1;
}
return (status);
} /* int ut_config_host */
-/*
- * End of the functions used to configure threshold values.
- */
+ /*
+ * End of the functions used to configure threshold values.
+ */
/* }}} */
/*
* if appropriate.
* Does not fail.
*/
-static int ut_report_state (const data_set_t *ds,
- const value_list_t *vl,
- const threshold_t *th,
- const gauge_t *values,
- int ds_index,
- int state)
-{ /* {{{ */
+static int ut_report_state(const data_set_t *ds, const value_list_t *vl,
+ const threshold_t *th, const gauge_t *values,
+ int ds_index, int state) { /* {{{ */
int state_old;
notification_t n;
int status;
/* Check if hits matched */
- if ( (th->hits != 0) )
- {
- int hits = uc_get_hits(ds,vl);
+ if ((th->hits != 0)) {
+ int hits = uc_get_hits(ds, vl);
/* STATE_OKAY resets hits unless PERSIST_OK flag is set. Hits resets if
* threshold is hit. */
- if ( ( (state == STATE_OKAY) && ((th->flags & UT_FLAG_PERSIST_OK) == 0) ) || (hits > th->hits) )
- {
- DEBUG("ut_report_state: reset uc_get_hits = 0");
- uc_set_hits(ds,vl,0); /* reset hit counter and notify */
+ if (((state == STATE_OKAY) && ((th->flags & UT_FLAG_PERSIST_OK) == 0)) ||
+ (hits > th->hits)) {
+ DEBUG("ut_report_state: reset uc_get_hits = 0");
+ uc_set_hits(ds, vl, 0); /* reset hit counter and notify */
} else {
- DEBUG("ut_report_state: th->hits = %d, uc_get_hits = %d",th->hits,uc_get_hits(ds,vl));
- (void) uc_inc_hits(ds,vl,1); /* increase hit counter */
+ DEBUG("ut_report_state: th->hits = %d, uc_get_hits = %d", th->hits,
+ uc_get_hits(ds, vl));
+ (void)uc_inc_hits(ds, vl, 1); /* increase hit counter */
return (0);
}
} /* end check hits */
- state_old = uc_get_state (ds, vl);
+ state_old = uc_get_state(ds, vl);
/* If the state didn't change, report if `persistent' is specified. If the
* state is `okay', then only report if `persist_ok` flag is set. */
- if (state == state_old)
- {
+ if (state == state_old) {
if ((th->flags & UT_FLAG_PERSIST) == 0)
return (0);
- else if ( (state == STATE_OKAY) && ((th->flags & UT_FLAG_PERSIST_OK) == 0) )
+ else if ((state == STATE_OKAY) && ((th->flags & UT_FLAG_PERSIST_OK) == 0))
return (0);
}
if (state != state_old)
- uc_set_state (ds, vl, state);
+ uc_set_state(ds, vl, state);
- NOTIFICATION_INIT_VL (&n, vl);
+ NOTIFICATION_INIT_VL(&n, vl);
buf = n.message;
- bufsize = sizeof (n.message);
+ bufsize = sizeof(n.message);
if (state == STATE_OKAY)
n.severity = NOTIF_OKAY;
n.time = vl->time;
- status = ssnprintf (buf, bufsize, "Host %s, plugin %s",
- vl->host, vl->plugin);
+ status = ssnprintf(buf, bufsize, "Host %s, plugin %s", vl->host, vl->plugin);
buf += status;
bufsize -= status;
- if (vl->plugin_instance[0] != '\0')
- {
- status = ssnprintf (buf, bufsize, " (instance %s)",
- vl->plugin_instance);
+ if (vl->plugin_instance[0] != '\0') {
+ status = ssnprintf(buf, bufsize, " (instance %s)", vl->plugin_instance);
buf += status;
bufsize -= status;
}
- status = ssnprintf (buf, bufsize, " type %s", vl->type);
+ status = ssnprintf(buf, bufsize, " type %s", vl->type);
buf += status;
bufsize -= status;
- if (vl->type_instance[0] != '\0')
- {
- status = ssnprintf (buf, bufsize, " (instance %s)",
- vl->type_instance);
+ if (vl->type_instance[0] != '\0') {
+ status = ssnprintf(buf, bufsize, " (instance %s)", vl->type_instance);
buf += status;
bufsize -= status;
}
- plugin_notification_meta_add_string (&n, "DataSource",
- ds->ds[ds_index].name);
- plugin_notification_meta_add_double (&n, "CurrentValue", values[ds_index]);
- plugin_notification_meta_add_double (&n, "WarningMin", th->warning_min);
- plugin_notification_meta_add_double (&n, "WarningMax", th->warning_max);
- plugin_notification_meta_add_double (&n, "FailureMin", th->failure_min);
- plugin_notification_meta_add_double (&n, "FailureMax", th->failure_max);
+ plugin_notification_meta_add_string(&n, "DataSource", ds->ds[ds_index].name);
+ plugin_notification_meta_add_double(&n, "CurrentValue", values[ds_index]);
+ plugin_notification_meta_add_double(&n, "WarningMin", th->warning_min);
+ plugin_notification_meta_add_double(&n, "WarningMax", th->warning_max);
+ plugin_notification_meta_add_double(&n, "FailureMin", th->failure_min);
+ plugin_notification_meta_add_double(&n, "FailureMax", th->failure_max);
/* Send an okay notification */
- if (state == STATE_OKAY)
- {
+ if (state == STATE_OKAY) {
if (state_old == STATE_MISSING)
- ssnprintf (buf, bufsize, ": Value is no longer missing.");
+ ssnprintf(buf, bufsize, ": Value is no longer missing.");
else
- ssnprintf (buf, bufsize,
- ": All data sources are within range again. "
- "Current value of \"%s\" is %f.",
- ds->ds[ds_index].name, values[ds_index]);
- }
- else
- {
+ ssnprintf(buf, bufsize, ": All data sources are within range again. "
+ "Current value of \"%s\" is %f.",
+ ds->ds[ds_index].name, values[ds_index]);
+ } else {
double min;
double max;
min = (state == STATE_ERROR) ? th->failure_min : th->warning_min;
max = (state == STATE_ERROR) ? th->failure_max : th->warning_max;
- if (th->flags & UT_FLAG_INVERT)
- {
- if (!isnan (min) && !isnan (max))
- {
- ssnprintf (buf, bufsize, ": Data source \"%s\" is currently "
- "%f. That is within the %s region of %f%s and %f%s.",
- ds->ds[ds_index].name, values[ds_index],
- (state == STATE_ERROR) ? "failure" : "warning",
- min, ((th->flags & UT_FLAG_PERCENTAGE) != 0) ? "%" : "",
- max, ((th->flags & UT_FLAG_PERCENTAGE) != 0) ? "%" : "");
- }
- else
- {
- ssnprintf (buf, bufsize, ": Data source \"%s\" is currently "
- "%f. That is %s the %s threshold of %f%s.",
- ds->ds[ds_index].name, values[ds_index],
- isnan (min) ? "below" : "above",
- (state == STATE_ERROR) ? "failure" : "warning",
- isnan (min) ? max : min,
- ((th->flags & UT_FLAG_PERCENTAGE) != 0) ? "%" : "");
+ if (th->flags & UT_FLAG_INVERT) {
+ if (!isnan(min) && !isnan(max)) {
+ ssnprintf(buf, bufsize,
+ ": Data source \"%s\" is currently "
+ "%f. That is within the %s region of %f%s and %f%s.",
+ ds->ds[ds_index].name, values[ds_index],
+ (state == STATE_ERROR) ? "failure" : "warning", min,
+ ((th->flags & UT_FLAG_PERCENTAGE) != 0) ? "%" : "", max,
+ ((th->flags & UT_FLAG_PERCENTAGE) != 0) ? "%" : "");
+ } else {
+ ssnprintf(buf, bufsize, ": Data source \"%s\" is currently "
+ "%f. That is %s the %s threshold of %f%s.",
+ ds->ds[ds_index].name, values[ds_index],
+ isnan(min) ? "below" : "above",
+ (state == STATE_ERROR) ? "failure" : "warning",
+ isnan(min) ? max : min,
+ ((th->flags & UT_FLAG_PERCENTAGE) != 0) ? "%" : "");
}
- }
- else if (th->flags & UT_FLAG_PERCENTAGE)
- {
+ } else if (th->flags & UT_FLAG_PERCENTAGE) {
gauge_t value;
gauge_t sum;
- size_t i;
sum = 0.0;
- for (i = 0; i < vl->values_len; i++)
- {
- if (isnan (values[i]))
+ for (size_t i = 0; i < vl->values_len; i++) {
+ if (isnan(values[i]))
continue;
sum += values[i];
else
value = 100.0 * values[ds_index] / sum;
- ssnprintf (buf, bufsize, ": Data source \"%s\" is currently "
- "%g (%.2f%%). That is %s the %s threshold of %.2f%%.",
- ds->ds[ds_index].name, values[ds_index], value,
- (value < min) ? "below" : "above",
- (state == STATE_ERROR) ? "failure" : "warning",
- (value < min) ? min : max);
- }
- else /* is not inverted */
+ ssnprintf(buf, bufsize,
+ ": Data source \"%s\" is currently "
+ "%g (%.2f%%). That is %s the %s threshold of %.2f%%.",
+ ds->ds[ds_index].name, values[ds_index], value,
+ (value < min) ? "below" : "above",
+ (state == STATE_ERROR) ? "failure" : "warning",
+ (value < min) ? min : max);
+ } else /* is not inverted */
{
- ssnprintf (buf, bufsize, ": Data source \"%s\" is currently "
- "%f. That is %s the %s threshold of %f.",
- ds->ds[ds_index].name, values[ds_index],
- (values[ds_index] < min) ? "below" : "above",
- (state == STATE_ERROR) ? "failure" : "warning",
- (values[ds_index] < min) ? min : max);
+ ssnprintf(buf, bufsize, ": Data source \"%s\" is currently "
+ "%f. That is %s the %s threshold of %f.",
+ ds->ds[ds_index].name, values[ds_index],
+ (values[ds_index] < min) ? "below" : "above",
+ (state == STATE_ERROR) ? "failure" : "warning",
+ (values[ds_index] < min) ? min : max);
}
}
- plugin_dispatch_notification (&n);
+ plugin_dispatch_notification(&n);
- plugin_notification_meta_free (n.meta);
+ plugin_notification_meta_free(n.meta);
return (0);
} /* }}} int ut_report_state */
* appropriate.
* Does not fail.
*/
-static int ut_check_one_data_source (const data_set_t *ds,
- const value_list_t __attribute__((unused)) *vl,
- const threshold_t *th,
- const gauge_t *values,
- int ds_index)
-{ /* {{{ */
+static int ut_check_one_data_source(
+ const data_set_t *ds, const value_list_t __attribute__((unused)) * vl,
+ const threshold_t *th, const gauge_t *values, int ds_index) { /* {{{ */
const char *ds_name;
int is_warning = 0;
int is_failure = 0;
int prev_state = STATE_OKAY;
/* check if this threshold applies to this data source */
- if (ds != NULL)
- {
+ if (ds != NULL) {
ds_name = ds->ds[ds_index].name;
- if ((th->data_source[0] != 0)
- && (strcmp (ds_name, th->data_source) != 0))
+ if ((th->data_source[0] != 0) && (strcmp(ds_name, th->data_source) != 0))
return (STATE_OKAY);
}
- if ((th->flags & UT_FLAG_INVERT) != 0)
- {
+ if ((th->flags & UT_FLAG_INVERT) != 0) {
is_warning--;
is_failure--;
}
/* XXX: This is an experimental code, not optimized, not fast, not reliable,
* and probably, do not work as you expect. Enjoy! :D */
- if (th->hysteresis > 0)
- {
- prev_state = uc_get_state(ds,vl);
+ if (th->hysteresis > 0) {
+ prev_state = uc_get_state(ds, vl);
/* The purpose of hysteresis is elliminating flapping state when the value
* oscilates around the thresholds. In other words, what is important is
* the previous state; if the new value would trigger a transition, make
* There is no hysteresis for the OKAY state.
* */
gauge_t hysteresis_for_warning = 0, hysteresis_for_failure = 0;
- switch (prev_state)
- {
- case STATE_ERROR:
- hysteresis_for_failure = th->hysteresis;
- break;
- case STATE_WARNING:
- hysteresis_for_warning = th->hysteresis;
- break;
- case STATE_OKAY:
- /* do nothing -- the hysteresis only applies to the non-normal states */
- break;
+ switch (prev_state) {
+ case STATE_ERROR:
+ hysteresis_for_failure = th->hysteresis;
+ break;
+ case STATE_WARNING:
+ hysteresis_for_warning = th->hysteresis;
+ break;
+ case STATE_OKAY:
+ /* do nothing -- the hysteresis only applies to the non-normal states */
+ break;
}
- if ((!isnan (th->failure_min) && (th->failure_min + hysteresis_for_failure > values[ds_index]))
- || (!isnan (th->failure_max) && (th->failure_max - hysteresis_for_failure < values[ds_index])))
+ if ((!isnan(th->failure_min) &&
+ (th->failure_min + hysteresis_for_failure > values[ds_index])) ||
+ (!isnan(th->failure_max) &&
+ (th->failure_max - hysteresis_for_failure < values[ds_index])))
is_failure++;
- if ((!isnan (th->warning_min) && (th->warning_min + hysteresis_for_warning > values[ds_index]))
- || (!isnan (th->warning_max) && (th->warning_max - hysteresis_for_warning < values[ds_index])))
+ if ((!isnan(th->warning_min) &&
+ (th->warning_min + hysteresis_for_warning > values[ds_index])) ||
+ (!isnan(th->warning_max) &&
+ (th->warning_max - hysteresis_for_warning < values[ds_index])))
is_warning++;
- }
- else { /* no hysteresis */
- if ((!isnan (th->failure_min) && (th->failure_min > values[ds_index]))
- || (!isnan (th->failure_max) && (th->failure_max < values[ds_index])))
+ } else { /* no hysteresis */
+ if ((!isnan(th->failure_min) && (th->failure_min > values[ds_index])) ||
+ (!isnan(th->failure_max) && (th->failure_max < values[ds_index])))
is_failure++;
- if ((!isnan (th->warning_min) && (th->warning_min > values[ds_index]))
- || (!isnan (th->warning_max) && (th->warning_max < values[ds_index])))
+ if ((!isnan(th->warning_min) && (th->warning_min > values[ds_index])) ||
+ (!isnan(th->warning_max) && (th->warning_max < values[ds_index])))
is_warning++;
}
* which is `okay' if nothing has failed.
* Returns less than zero if the data set doesn't have any data sources.
*/
-static int ut_check_one_threshold (const data_set_t *ds,
- const value_list_t *vl,
- const threshold_t *th,
- const gauge_t *values,
- int *ret_ds_index)
-{ /* {{{ */
+static int ut_check_one_threshold(const data_set_t *ds, const value_list_t *vl,
+ const threshold_t *th, const gauge_t *values,
+ int *ret_ds_index) { /* {{{ */
int ret = -1;
int ds_index = -1;
- size_t i;
gauge_t values_copy[ds->ds_num];
- memcpy (values_copy, values, sizeof (values_copy));
+ memcpy(values_copy, values, sizeof(values_copy));
- if ((th->flags & UT_FLAG_PERCENTAGE) != 0)
- {
+ if ((th->flags & UT_FLAG_PERCENTAGE) != 0) {
int num = 0;
- gauge_t sum=0.0;
+ gauge_t sum = 0.0;
- if (ds->ds_num == 1)
- {
- WARNING ("ut_check_one_threshold: The %s type has only one data "
+ if (ds->ds_num == 1) {
+ WARNING(
+ "ut_check_one_threshold: The %s type has only one data "
"source, but you have configured to check this as a percentage. "
"That doesn't make much sense, because the percentage will always "
- "be 100%%!", ds->type);
+ "be 100%%!",
+ ds->type);
}
/* Prepare `sum' and `num'. */
- for (i = 0; i < ds->ds_num; i++)
- if (!isnan (values[i]))
- {
+ for (size_t i = 0; i < ds->ds_num; i++)
+ if (!isnan(values[i])) {
num++;
- sum += values[i];
+ sum += values[i];
}
- if ((num == 0) /* All data sources are undefined. */
+ if ((num == 0) /* All data sources are undefined. */
|| (sum == 0.0)) /* Sum is zero, cannot calculate percentage. */
{
- for (i = 0; i < ds->ds_num; i++)
+ for (size_t i = 0; i < ds->ds_num; i++)
values_copy[i] = NAN;
- }
- else /* We can actually calculate the percentage. */
+ } else /* We can actually calculate the percentage. */
{
- for (i = 0; i < ds->ds_num; i++)
+ for (size_t i = 0; i < ds->ds_num; i++)
values_copy[i] = 100.0 * values[i] / sum;
}
} /* if (UT_FLAG_PERCENTAGE) */
- for (i = 0; i < ds->ds_num; i++)
- {
+ for (size_t i = 0; i < ds->ds_num; i++) {
int status;
- status = ut_check_one_data_source (ds, vl, th, values_copy, i);
- if (ret < status)
- {
+ status = ut_check_one_data_source(ds, vl, th, values_copy, i);
+ if (ret < status) {
ret = status;
ds_index = i;
}
* Returns zero on success and if no threshold has been configured. Returns
* less than zero on failure.
*/
-static int ut_check_threshold (const data_set_t *ds, const value_list_t *vl,
- __attribute__((unused)) user_data_t *ud)
-{ /* {{{ */
+static int ut_check_threshold(const data_set_t *ds, const value_list_t *vl,
+ __attribute__((unused))
+ user_data_t *ud) { /* {{{ */
threshold_t *th;
gauge_t *values;
int status;
/* Is this lock really necessary? So far, thresholds are only inserted at
* startup. -octo */
- pthread_mutex_lock (&threshold_lock);
- th = threshold_search (vl);
- pthread_mutex_unlock (&threshold_lock);
+ pthread_mutex_lock(&threshold_lock);
+ th = threshold_search(vl);
+ pthread_mutex_unlock(&threshold_lock);
if (th == NULL)
return (0);
- DEBUG ("ut_check_threshold: Found matching threshold(s)");
+ DEBUG("ut_check_threshold: Found matching threshold(s)");
- values = uc_get_rate (ds, vl);
+ values = uc_get_rate(ds, vl);
if (values == NULL)
return (0);
- while (th != NULL)
- {
+ while (th != NULL) {
int ds_index = -1;
- status = ut_check_one_threshold (ds, vl, th, values, &ds_index);
- if (status < 0)
- {
- ERROR ("ut_check_threshold: ut_check_one_threshold failed.");
- sfree (values);
+ status = ut_check_one_threshold(ds, vl, th, values, &ds_index);
+ if (status < 0) {
+ ERROR("ut_check_threshold: ut_check_one_threshold failed.");
+ sfree(values);
return (-1);
}
- if (worst_state < status)
- {
+ if (worst_state < status) {
worst_state = status;
worst_th = th;
worst_ds_index = ds_index;
th = th->next;
} /* while (th) */
- status = ut_report_state (ds, vl, worst_th, values,
- worst_ds_index, worst_state);
- if (status != 0)
- {
- ERROR ("ut_check_threshold: ut_report_state failed.");
- sfree (values);
+ status =
+ ut_report_state(ds, vl, worst_th, values, worst_ds_index, worst_state);
+ if (status != 0) {
+ ERROR("ut_check_threshold: ut_report_state failed.");
+ sfree(values);
return (-1);
}
- sfree (values);
+ sfree(values);
return (0);
} /* }}} int ut_check_threshold */
*
* This function is called whenever a value goes "missing".
*/
-static int ut_missing (const value_list_t *vl,
- __attribute__((unused)) user_data_t *ud)
-{ /* {{{ */
+static int ut_missing(const value_list_t *vl,
+ __attribute__((unused)) user_data_t *ud) { /* {{{ */
threshold_t *th;
cdtime_t missing_time;
char identifier[6 * DATA_MAX_NAME_LEN];
if (threshold_tree == NULL)
return (0);
- th = threshold_search (vl);
+ th = threshold_search(vl);
/* dispatch notifications for "interesting" values only */
if ((th == NULL) || ((th->flags & UT_FLAG_INTERESTING) == 0))
return (0);
- now = cdtime ();
+ now = cdtime();
missing_time = now - vl->time;
- FORMAT_VL (identifier, sizeof (identifier), vl);
+ FORMAT_VL(identifier, sizeof(identifier), vl);
- NOTIFICATION_INIT_VL (&n, vl);
- ssnprintf (n.message, sizeof (n.message),
- "%s has not been updated for %.3f seconds.",
- identifier, CDTIME_T_TO_DOUBLE (missing_time));
+ NOTIFICATION_INIT_VL(&n, vl);
+ ssnprintf(n.message, sizeof(n.message),
+ "%s has not been updated for %.3f seconds.", identifier,
+ CDTIME_T_TO_DOUBLE(missing_time));
n.time = now;
- plugin_dispatch_notification (&n);
+ plugin_dispatch_notification(&n);
return (0);
} /* }}} int ut_missing */
-static int ut_config (oconfig_item_t *ci)
-{ /* {{{ */
- int i;
+static int ut_config(oconfig_item_t *ci) { /* {{{ */
int status = 0;
- int old_size = c_avl_size (threshold_tree);
+ int old_size = c_avl_size(threshold_tree);
- threshold_t th;
-
- if (threshold_tree == NULL)
- {
- threshold_tree = c_avl_create ((void *) strcmp);
- if (threshold_tree == NULL)
- {
- ERROR ("ut_config: c_avl_create failed.");
+ if (threshold_tree == NULL) {
+ threshold_tree = c_avl_create((int (*)(const void *, const void *))strcmp);
+ if (threshold_tree == NULL) {
+ ERROR("ut_config: c_avl_create failed.");
return (-1);
}
}
- memset (&th, '\0', sizeof (th));
- th.warning_min = NAN;
- th.warning_max = NAN;
- th.failure_min = NAN;
- th.failure_max = NAN;
-
- th.hits = 0;
- th.hysteresis = 0;
- th.flags = UT_FLAG_INTERESTING; /* interesting by default */
+ threshold_t th = {
+ .warning_min = NAN,
+ .warning_max = NAN,
+ .failure_min = NAN,
+ .failure_max = NAN,
+ .flags = UT_FLAG_INTERESTING /* interesting by default */
+ };
- for (i = 0; i < ci->children_num; i++)
- {
+ for (int i = 0; i < ci->children_num; i++) {
oconfig_item_t *option = ci->children + i;
- if (strcasecmp ("Type", option->key) == 0)
- status = ut_config_type (&th, option);
- else if (strcasecmp ("Plugin", option->key) == 0)
- status = ut_config_plugin (&th, option);
- else if (strcasecmp ("Host", option->key) == 0)
- status = ut_config_host (&th, option);
- else
- {
- WARNING ("threshold values: Option `%s' not allowed here.", option->key);
+ if (strcasecmp("Type", option->key) == 0)
+ status = ut_config_type(&th, option);
+ else if (strcasecmp("Plugin", option->key) == 0)
+ status = ut_config_plugin(&th, option);
+ else if (strcasecmp("Host", option->key) == 0)
+ status = ut_config_host(&th, option);
+ else {
+ WARNING("threshold values: Option `%s' not allowed here.", option->key);
status = -1;
}
}
/* register callbacks if this is the first time we see a valid config */
- if ((old_size == 0) && (c_avl_size (threshold_tree) > 0))
- {
- plugin_register_missing ("threshold", ut_missing,
- /* user data = */ NULL);
- plugin_register_write ("threshold", ut_check_threshold,
- /* user data = */ NULL);
+ if ((old_size == 0) && (c_avl_size(threshold_tree) > 0)) {
+ plugin_register_missing("threshold", ut_missing,
+ /* user data = */ NULL);
+ plugin_register_write("threshold", ut_check_threshold,
+ /* user data = */ NULL);
}
return (status);
} /* }}} int um_config */
-void module_register (void)
-{
- plugin_register_complex_config ("threshold", ut_config);
+void module_register(void) {
+ plugin_register_complex_config("threshold", ut_config);
}
-
-/* vim: set sw=2 ts=8 sts=2 tw=78 et fdm=marker : */