/**
* collectd - src/utils_threshold.c
- * Copyright (C) 2007 Florian octo Forster
+ * Copyright (C) 2007,2008 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
char plugin_instance[DATA_MAX_NAME_LEN];
char type[DATA_MAX_NAME_LEN];
char type_instance[DATA_MAX_NAME_LEN];
- gauge_t min;
- gauge_t max;
+ gauge_t warning_min;
+ gauge_t warning_max;
+ gauge_t failure_min;
+ gauge_t failure_max;
int flags;
} threshold_t;
/* }}} */
if ((ci->values_num != 1)
|| (ci->values[0].type != OCONFIG_TYPE_NUMBER))
{
- WARNING ("threshold values: The `Max' option needs exactly one "
- "number argument.");
+ WARNING ("threshold values: The `%s' option needs exactly one "
+ "number argument.", ci->key);
return (-1);
}
- th->max = ci->values[0].value.number;
+ 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 */
if ((ci->values_num != 1)
|| (ci->values[0].type != OCONFIG_TYPE_NUMBER))
{
- WARNING ("threshold values: The `Min' option needs exactly one "
- "number argument.");
+ WARNING ("threshold values: The `%s' option needs exactly one "
+ "number argument.", ci->key);
return (-1);
}
- th->min = ci->values[0].value.number;
+ 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 */
strncpy (th.type, ci->values[0].value.string, sizeof (th.type));
th.type[sizeof (th.type) - 1] = '\0';
- th.min = NAN;
- th.max = NAN;
+ th.warning_min = NAN;
+ th.warning_max = NAN;
+ th.failure_min = NAN;
+ th.failure_max = NAN;
for (i = 0; i < ci->children_num; i++)
{
if (strcasecmp ("Instance", option->key) == 0)
status = ut_config_type_instance (&th, option);
- else if (strcasecmp ("Max", option->key) == 0)
+ else if ((strcasecmp ("WarningMax", option->key) == 0)
+ || (strcasecmp ("FailureMax", option->key) == 0))
status = ut_config_type_max (&th, option);
- else if (strcasecmp ("Min", option->key) == 0)
+ else if ((strcasecmp ("WarningMin", option->key) == 0)
+ || (strcasecmp ("FailureMin", option->key) == 0))
status = ut_config_type_min (&th, option);
else if (strcasecmp ("Invert", option->key) == 0)
status = ut_config_type_invert (&th, option);
}
memset (&th, '\0', sizeof (th));
- th.min = NAN;
- th.max = NAN;
+ th.warning_min = NAN;
+ th.warning_max = NAN;
+ th.failure_min = NAN;
+ th.failure_max = NAN;
for (i = 0; i < ci->children_num; i++)
{
int ut_check_threshold (const data_set_t *ds, const value_list_t *vl)
{
+ notification_t n;
threshold_t *th;
gauge_t *values;
int i;
+ int state_orig;
+ int state_new = STATE_OKAY;
+ int ds_index = 0;
+
+ char *buf;
+ size_t bufsize;
+ int status;
+
if (threshold_tree == NULL)
return (0);
+
+ /* Is this lock really necessary? So far, thresholds are only inserted at
+ * startup. -octo */
pthread_mutex_lock (&threshold_lock);
th = threshold_search (ds, vl);
pthread_mutex_unlock (&threshold_lock);
if (values == NULL)
return (0);
+ state_orig = uc_get_state (ds, vl);
+
for (i = 0; i < ds->ds_num; i++)
{
- int out_of_range = 0;
int is_inverted = 0;
+ int is_warning = 0;
+ int is_failure = 0;
if ((th->flags & UT_FLAG_INVERT) != 0)
+ {
is_inverted = 1;
- if ((!isnan (th->min) && (th->min > values[i]))
- || (!isnan (th->max) && (th->max < values[i])))
- out_of_range = 1;
-
- /* If only one of these conditions is true, there is a problem */
- if ((out_of_range + is_inverted) == 1)
+ is_warning--;
+ is_failure--;
+ }
+ if ((!isnan (th->failure_min) && (th->failure_min > values[i]))
+ || (!isnan (th->failure_max) && (th->failure_max < values[i])))
+ is_failure++;
+ if ((!isnan (th->warning_min) && (th->warning_min > values[i]))
+ || (!isnan (th->warning_max) && (th->warning_max < values[i])))
+ is_warning++;
+
+ if ((is_failure != 0) && (state_new != STATE_ERROR))
+ {
+ state_new = STATE_ERROR;
+ ds_index = i;
+ }
+ else if ((is_warning != 0)
+ && (state_new != STATE_ERROR)
+ && (state_new != STATE_WARNING))
{
- notification_t n;
- char *buf;
- size_t bufsize;
- int status;
+ state_new = STATE_WARNING;
+ ds_index = i;
+ }
+ }
- WARNING ("ut_check_threshold: ds[%s]: %lf <= !%lf <= %lf (invert: %s)",
- ds->ds[i].name, th->min, values[i], th->max,
- is_inverted ? "true" : "false");
+ if (state_new != state_orig)
+ uc_set_state (ds, vl, state_new);
- /* Copy the associative members */
- NOTIFICATION_INIT_VL (&n, vl, ds);
+ /* Return here if we're not going to send a notification */
+ if ((state_new == state_orig)
+ && ((state_new == STATE_OKAY)
+ || ((th->flags & UT_FLAG_PERSIST) == 0)))
+ {
+ sfree (values);
+ return (0);
+ }
+ NOTIFICATION_INIT_VL (&n, vl, ds);
+ {
+ /* Copy the associative members */
+ if (state_new == STATE_OKAY)
+ n.severity = NOTIF_OKAY;
+ else if (state_new == STATE_WARNING)
+ n.severity = NOTIF_WARNING;
+ else
n.severity = NOTIF_FAILURE;
- n.time = vl->time;
- buf = n.message;
- bufsize = sizeof (n.message);
+ n.time = vl->time;
+
+ buf = n.message;
+ bufsize = sizeof (n.message);
- status = snprintf (buf, bufsize, "Host %s, plugin %s",
- vl->host, vl->plugin);
+ status = snprintf (buf, bufsize, "Host %s, plugin %s",
+ vl->host, vl->plugin);
+ buf += status;
+ bufsize -= status;
+
+ if (vl->plugin_instance[0] != '\0')
+ {
+ status = snprintf (buf, bufsize, " (instance %s)",
+ vl->plugin_instance);
buf += status;
bufsize -= status;
+ }
- if (vl->plugin_instance[0] != '\0')
- {
- status = snprintf (buf, bufsize, " (instance %s)",
- vl->plugin_instance);
- buf += status;
- bufsize -= status;
- }
+ status = snprintf (buf, bufsize, " type %s", ds->type);
+ buf += status;
+ bufsize -= status;
- status = snprintf (buf, bufsize, " type %s", ds->type);
+ if (vl->type_instance[0] != '\0')
+ {
+ status = snprintf (buf, bufsize, " (instance %s)",
+ vl->type_instance);
buf += status;
bufsize -= status;
+ }
+ }
- if (vl->type_instance[0] != '\0')
- {
- status = snprintf (buf, bufsize, " (instance %s)",
- vl->type_instance);
- buf += status;
- bufsize -= status;
- }
+ /* Send a okay notification */
+ if (state_new == STATE_OKAY)
+ {
+ status = snprintf (buf, bufsize, ": All data sources are within range again.");
+ buf += status;
+ bufsize -= status;
+ }
+ else
+ {
+ double min;
+ double max;
+
+ min = (state_new == STATE_ERROR) ? th->failure_min : th->warning_min;
+ max = (state_new == STATE_ERROR) ? th->failure_max : th->warning_max;
- if (is_inverted)
+ if (th->flags & UT_FLAG_INVERT)
+ {
+ if (!isnan (min) && !isnan (max))
{
- if (!isnan (th->min) && !isnan (th->max))
- {
- status = snprintf (buf, bufsize, ": Data source \"%s\" is currently "
- "%lf. That is within the critical region of %lf and %lf.",
- ds->ds[i].name, values[i],
- th->min, th->min);
- }
- else
- {
- status = snprintf (buf, bufsize, ": Data source \"%s\" is currently "
- "%lf. That is %s the configured threshold of %lf.",
- ds->ds[i].name, values[i],
- isnan (th->min) ? "below" : "above",
- isnan (th->min) ? th->max : th->min);
- }
+ status = snprintf (buf, bufsize, ": Data source \"%s\" is currently "
+ "%f. That is within the %s region of %f and %f.",
+ ds->ds[ds_index].name, values[ds_index],
+ (state_new == STATE_ERROR) ? "failure" : "warning",
+ min, min);
}
- else /* (!is_inverted) */
+ else
{
status = snprintf (buf, bufsize, ": Data source \"%s\" is currently "
- "%lf. That is %s the configured threshold of %lf.",
- ds->ds[i].name, values[i],
- (values[i] < th->min) ? "below" : "above",
- (values[i] < th->min) ? th->min : th->max);
+ "%f. That is %s the %s threshold of %f.",
+ ds->ds[ds_index].name, values[ds_index],
+ isnan (min) ? "below" : "above",
+ (state_new == STATE_ERROR) ? "failure" : "warning",
+ isnan (min) ? max : min);
}
- buf += status;
- bufsize -= status;
-
- plugin_dispatch_notification (&n);
}
- } /* for (i = 0; i < ds->ds_num; i++) */
+ else /* is not inverted */
+ {
+ status = snprintf (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_new == STATE_ERROR) ? "failure" : "warning",
+ (values[ds_index] < min) ? min : max);
+ }
+ buf += status;
+ bufsize -= status;
+ }
+
+ plugin_dispatch_notification (&n);
sfree (values);
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