*/
#include "collectd.h"
+
#include "common.h"
-#include "utils_cache.h"
#include "filter_chain.h"
+#include "utils_cache.h"
#define SATISFY_ALL 0
#define SATISFY_ANY 1
*/
struct mv_match_s;
typedef struct mv_match_s mv_match_t;
-struct mv_match_s
-{
+struct mv_match_s {
gauge_t min;
gauge_t max;
int invert;
/*
* internal helper functions
*/
-static void mv_free_match (mv_match_t *m) /* {{{ */
+static void mv_free_match(mv_match_t *m) /* {{{ */
{
- size_t i;
-
if (m == NULL)
return;
- if (m->data_sources != NULL)
- {
- for (i = 0; i < m->data_sources_num; ++i)
+ if (m->data_sources != NULL) {
+ for (size_t i = 0; i < m->data_sources_num; ++i)
free(m->data_sources[i]);
free(m->data_sources);
}
- free (m);
+ free(m);
} /* }}} void mv_free_match */
-static int mv_config_add_satisfy (mv_match_t *m, /* {{{ */
- oconfig_item_t *ci)
-{
- if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING))
- {
- ERROR ("`value' match: `%s' needs exactly one string argument.",
- ci->key);
- return (-1);
+static int mv_config_add_satisfy(mv_match_t *m, /* {{{ */
+ oconfig_item_t *ci) {
+ if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_STRING)) {
+ ERROR("`value' match: `%s' needs exactly one string argument.", ci->key);
+ return -1;
}
- if (strcasecmp ("All", ci->values[0].value.string) == 0)
+ if (strcasecmp("All", ci->values[0].value.string) == 0)
m->satisfy = SATISFY_ALL;
- else if (strcasecmp ("Any", ci->values[0].value.string) == 0)
+ else if (strcasecmp("Any", ci->values[0].value.string) == 0)
m->satisfy = SATISFY_ANY;
- else
- {
- ERROR ("`value' match: Passing `%s' to the `%s' option is invalid. "
- "The argument must either be `All' or `Any'.",
- ci->values[0].value.string, ci->key);
- return (-1);
+ else {
+ ERROR("`value' match: Passing `%s' to the `%s' option is invalid. "
+ "The argument must either be `All' or `Any'.",
+ ci->values[0].value.string, ci->key);
+ return -1;
}
- return (0);
+ return 0;
} /* }}} int mv_config_add_satisfy */
-static int mv_config_add_data_source (mv_match_t *m, /* {{{ */
- oconfig_item_t *ci)
-{
+static int mv_config_add_data_source(mv_match_t *m, /* {{{ */
+ oconfig_item_t *ci) {
size_t new_data_sources_num;
char **temp;
- int i;
/* Check number of arbuments. */
- if (ci->values_num < 1)
- {
- ERROR ("`value' match: `%s' needs at least one argument.",
- ci->key);
- return (-1);
+ if (ci->values_num < 1) {
+ ERROR("`value' match: `%s' needs at least one argument.", ci->key);
+ return -1;
}
/* Check type of arguments */
- for (i = 0; i < ci->values_num; i++)
- {
+ for (int i = 0; i < ci->values_num; i++) {
if (ci->values[i].type == OCONFIG_TYPE_STRING)
continue;
- ERROR ("`value' match: `%s' accepts only string arguments "
- "(argument %i is a %s).",
- ci->key, i + 1,
- (ci->values[i].type == OCONFIG_TYPE_BOOLEAN)
- ? "truth value" : "number");
- return (-1);
+ ERROR("`value' match: `%s' accepts only string arguments "
+ "(argument %i is a %s).",
+ ci->key, i + 1,
+ (ci->values[i].type == OCONFIG_TYPE_BOOLEAN) ? "truth value"
+ : "number");
+ return -1;
}
/* Allocate space for the char pointers */
- new_data_sources_num = m->data_sources_num + ((size_t) ci->values_num);
- temp = realloc (m->data_sources,
- new_data_sources_num * sizeof (char *));
- if (temp == NULL)
- {
- ERROR ("`value' match: realloc failed.");
- return (-1);
+ new_data_sources_num = m->data_sources_num + ((size_t)ci->values_num);
+ temp = realloc(m->data_sources, new_data_sources_num * sizeof(char *));
+ if (temp == NULL) {
+ ERROR("`value' match: realloc failed.");
+ return -1;
}
m->data_sources = temp;
/* Copy the strings, allocating memory as needed. */
- for (i = 0; i < ci->values_num; i++)
- {
- size_t j;
-
+ for (int i = 0; i < ci->values_num; i++) {
/* If we get here, there better be memory for us to write to. */
- assert (m->data_sources_num < new_data_sources_num);
+ assert(m->data_sources_num < new_data_sources_num);
- j = m->data_sources_num;
- m->data_sources[j] = sstrdup (ci->values[i].value.string);
- if (m->data_sources[j] == NULL)
- {
- ERROR ("`value' match: sstrdup failed.");
+ size_t j = m->data_sources_num;
+ m->data_sources[j] = sstrdup(ci->values[i].value.string);
+ if (m->data_sources[j] == NULL) {
+ ERROR("`value' match: sstrdup failed.");
continue;
}
m->data_sources_num++;
}
- return (0);
+ return 0;
} /* }}} int mv_config_add_data_source */
-static int mv_config_add_gauge (gauge_t *ret_value, /* {{{ */
- oconfig_item_t *ci)
-{
+static int mv_config_add_gauge(gauge_t *ret_value, /* {{{ */
+ oconfig_item_t *ci) {
- if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_NUMBER))
- {
- ERROR ("`value' match: `%s' needs exactly one numeric argument.",
- ci->key);
- return (-1);
+ if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_NUMBER)) {
+ ERROR("`value' match: `%s' needs exactly one numeric argument.", ci->key);
+ return -1;
}
*ret_value = ci->values[0].value.number;
- return (0);
+ return 0;
} /* }}} int mv_config_add_gauge */
-static int mv_config_add_boolean (int *ret_value, /* {{{ */
- oconfig_item_t *ci)
-{
+static int mv_config_add_boolean(int *ret_value, /* {{{ */
+ oconfig_item_t *ci) {
- if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_BOOLEAN))
- {
- ERROR ("`value' match: `%s' needs exactly one boolean argument.",
- ci->key);
- return (-1);
+ if ((ci->values_num != 1) || (ci->values[0].type != OCONFIG_TYPE_BOOLEAN)) {
+ ERROR("`value' match: `%s' needs exactly one boolean argument.", ci->key);
+ return -1;
}
if (ci->values[0].value.boolean)
else
*ret_value = 0;
- return (0);
+ return 0;
} /* }}} int mv_config_add_boolean */
-static int mv_create (const oconfig_item_t *ci, void **user_data) /* {{{ */
+static int mv_create(const oconfig_item_t *ci, void **user_data) /* {{{ */
{
mv_match_t *m;
int status;
- int i;
- m = calloc (1, sizeof (*m));
- if (m == NULL)
- {
- ERROR ("mv_create: calloc failed.");
- return (-ENOMEM);
+ m = calloc(1, sizeof(*m));
+ if (m == NULL) {
+ ERROR("mv_create: calloc failed.");
+ return -ENOMEM;
}
m->min = NAN;
m->data_sources_num = 0;
status = 0;
- for (i = 0; i < ci->children_num; i++)
- {
+ for (int i = 0; i < ci->children_num; i++) {
oconfig_item_t *child = ci->children + i;
- if (strcasecmp ("Min", child->key) == 0)
- status = mv_config_add_gauge (&m->min, child);
- else if (strcasecmp ("Max", child->key) == 0)
- status = mv_config_add_gauge (&m->max, child);
- else if (strcasecmp ("Invert", child->key) == 0)
- status = mv_config_add_boolean (&m->invert, child);
- else if (strcasecmp ("Satisfy", child->key) == 0)
- status = mv_config_add_satisfy (m, child);
- else if (strcasecmp ("DataSource", child->key) == 0)
- status = mv_config_add_data_source (m, child);
- else
- {
- ERROR ("`value' match: The `%s' configuration option is not "
- "understood and will be ignored.", child->key);
+ if (strcasecmp("Min", child->key) == 0)
+ status = mv_config_add_gauge(&m->min, child);
+ else if (strcasecmp("Max", child->key) == 0)
+ status = mv_config_add_gauge(&m->max, child);
+ else if (strcasecmp("Invert", child->key) == 0)
+ status = mv_config_add_boolean(&m->invert, child);
+ else if (strcasecmp("Satisfy", child->key) == 0)
+ status = mv_config_add_satisfy(m, child);
+ else if (strcasecmp("DataSource", child->key) == 0)
+ status = mv_config_add_data_source(m, child);
+ else {
+ ERROR("`value' match: The `%s' configuration option is not "
+ "understood and will be ignored.",
+ child->key);
status = 0;
}
}
/* Additional sanity-checking */
- while (status == 0)
- {
- if (isnan (m->min) && isnan (m->max))
- {
- ERROR ("`value' match: Neither minimum nor maximum are defined. "
- "This match will be ignored.");
+ while (status == 0) {
+ if (isnan(m->min) && isnan(m->max)) {
+ ERROR("`value' match: Neither minimum nor maximum are defined. "
+ "This match will be ignored.");
status = -1;
}
break;
}
- if (status != 0)
- {
- mv_free_match (m);
- return (status);
+ if (status != 0) {
+ mv_free_match(m);
+ return status;
}
*user_data = m;
- return (0);
+ return 0;
} /* }}} int mv_create */
-static int mv_destroy (void **user_data) /* {{{ */
+static int mv_destroy(void **user_data) /* {{{ */
{
if ((user_data != NULL) && (*user_data != NULL))
- mv_free_match (*user_data);
- return (0);
+ mv_free_match(*user_data);
+ return 0;
} /* }}} int mv_destroy */
-static int mv_match (const data_set_t *ds, const value_list_t *vl, /* {{{ */
- notification_meta_t __attribute__((unused)) **meta, void **user_data)
-{
+static int mv_match(const data_set_t *ds, const value_list_t *vl, /* {{{ */
+ notification_meta_t __attribute__((unused)) * *meta,
+ void **user_data) {
mv_match_t *m;
gauge_t *values;
int status;
- size_t i;
if ((user_data == NULL) || (*user_data == NULL))
- return (-1);
+ return -1;
m = *user_data;
- values = uc_get_rate (ds, vl);
- if (values == NULL)
- {
- ERROR ("`value' match: Retrieving the current rate from the cache "
- "failed.");
- return (-1);
+ values = uc_get_rate(ds, vl);
+ if (values == NULL) {
+ ERROR("`value' match: Retrieving the current rate from the cache "
+ "failed.");
+ return -1;
}
status = FC_MATCH_NO_MATCH;
- for (i = 0; i < ds->ds_num; i++)
- {
+ for (size_t i = 0; i < ds->ds_num; i++) {
int value_matches = 0;
/* Check if this data source is relevant. */
- if (m->data_sources != NULL)
- {
+ if (m->data_sources != NULL) {
size_t j;
for (j = 0; j < m->data_sources_num; j++)
- if (strcasecmp (ds->ds[i].name, m->data_sources[j]) == 0)
+ if (strcasecmp(ds->ds[i].name, m->data_sources[j]) == 0)
break;
/* No match, ignore this data source. */
- if (j >= m->data_sources_num)
+ if (j >= m->data_sources_num)
continue;
}
- DEBUG ("`value' match: current = %g; min = %g; max = %g; invert = %s;",
- values[i], m->min, m->max,
- m->invert ? "true" : "false");
+ DEBUG("`value' match: current = %g; min = %g; max = %g; invert = %s;",
+ values[i], m->min, m->max, m->invert ? "true" : "false");
- if ((!isnan (m->min) && (values[i] < m->min))
- || (!isnan (m->max) && (values[i] > m->max)))
+ if ((!isnan(m->min) && (values[i] < m->min)) ||
+ (!isnan(m->max) && (values[i] > m->max)))
value_matches = 0;
else
value_matches = 1;
- if (m->invert)
- {
+ if (m->invert) {
if (value_matches)
value_matches = 0;
else
value_matches = 1;
}
- if (value_matches != 0)
- {
+ if (value_matches != 0) {
status = FC_MATCH_MATCHES;
if (m->satisfy == SATISFY_ANY)
break;
- }
- else
- {
+ } else {
status = FC_MATCH_NO_MATCH;
if (m->satisfy == SATISFY_ALL)
break;
}
} /* for (i = 0; i < ds->ds_num; i++) */
- free (values);
- return (status);
+ free(values);
+ return status;
} /* }}} int mv_match */
-void module_register (void)
-{
- match_proc_t mproc;
+void module_register(void) {
+ match_proc_t mproc = {0};
- memset (&mproc, 0, sizeof (mproc));
- mproc.create = mv_create;
+ mproc.create = mv_create;
mproc.destroy = mv_destroy;
- mproc.match = mv_match;
- fc_register_match ("value", mproc);
+ mproc.match = mv_match;
+ fc_register_match("value", mproc);
} /* module_register */
-
-/* vim: set sw=2 sts=2 tw=78 et fdm=marker : */
-