**/
#include "collectd.h"
+
#include "common.h"
#include "plugin.h"
#include "configfile.h"
char *name;
char *statement;
void *user_data;
+ char *plugin_instance_from;
unsigned int min_version;
unsigned int max_version;
char **instances_buffer;
char **values_buffer;
char **metadata_buffer;
+ char *plugin_instance;
struct udb_result_preparation_area_s *next;
}; /* }}} */
struct udb_query_preparation_area_s /* {{{ */
{
size_t column_num;
+ size_t plugin_instance_pos;
char *host;
char *plugin;
char *db_name;
{
char **array;
size_t array_len;
- int i;
if (ci->values_num < 1)
{
return (-1);
}
- 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)
{
}
array_len = *ret_array_len;
- array = (char **) realloc (*ret_array,
+ array = realloc (*ret_array,
sizeof (char *) * (array_len + ci->values_num));
if (array == NULL)
{
}
*ret_array = array;
- for (i = 0; i < ci->values_num; i++)
+ for (int i = 0; i < ci->values_num; i++)
{
array[array_len] = strdup (ci->values[i].value.string);
if (array[array_len] == NULL)
udb_query_t const *q, udb_query_preparation_area_t *q_area)
{
value_list_t vl = VALUE_LIST_INIT;
- size_t i;
- int status;
assert (r != NULL);
assert (r_area->ds != NULL);
assert (((size_t) r_area->ds->ds_num) == r->values_num);
assert (r->values_num > 0);
- vl.values = (value_t *) calloc (r->values_num, sizeof (value_t));
+ vl.values = calloc (r->values_num, sizeof (*vl.values));
if (vl.values == NULL)
{
- ERROR ("db query utils: malloc failed.");
+ ERROR ("db query utils: calloc failed.");
return (-1);
}
vl.values_len = r_area->ds->ds_num;
- for (i = 0; i < r->values_num; i++)
+ for (size_t i = 0; i < r->values_num; i++)
{
char *value_str = r_area->values_buffer[i];
ERROR ("db query utils: udb_result_submit: Parsing `%s' as %s failed.",
value_str, DS_TYPE_TO_STRING (r_area->ds->ds[i].type));
errno = EINVAL;
+ free (vl.values);
return (-1);
}
}
sstrncpy (vl.host, q_area->host, sizeof (vl.host));
sstrncpy (vl.plugin, q_area->plugin, sizeof (vl.plugin));
- sstrncpy (vl.plugin_instance, q_area->db_name, sizeof (vl.plugin_instance));
sstrncpy (vl.type, r->type, sizeof (vl.type));
+ /* Set vl.plugin_instance */
+ if (q->plugin_instance_from != NULL) {
+ sstrncpy (vl.plugin_instance, r_area->plugin_instance, sizeof (vl.plugin_instance));
+ }
+ else {
+ sstrncpy (vl.plugin_instance, q_area->db_name, sizeof (vl.plugin_instance));
+ }
+
/* Set vl.type_instance {{{ */
- if (r->instances_num <= 0)
+ if (r->instances_num == 0)
{
if (r->instance_prefix == NULL)
vl.type_instance[0] = 0;
return (-ENOMEM);
}
- for (i = 0; i < r->metadata_num; i++)
+ for (size_t i = 0; i < r->metadata_num; i++)
{
- status = meta_data_add_string (vl.meta, r->metadata[i],
+ int status = meta_data_add_string (vl.meta, r->metadata[i],
r_area->metadata_buffer[i]);
if (status != 0)
{
udb_result_preparation_area_t *r_area,
udb_query_t const *q, char **column_values)
{
- size_t i;
-
assert (r && q_area && r_area);
- for (i = 0; i < r->instances_num; i++)
+ for (size_t i = 0; i < r->instances_num; i++)
r_area->instances_buffer[i] = column_values[r_area->instances_pos[i]];
- for (i = 0; i < r->values_num; i++)
+ for (size_t i = 0; i < r->values_num; i++)
r_area->values_buffer[i] = column_values[r_area->values_pos[i]];
- for (i = 0; i < r->metadata_num; i++)
+ for (size_t i = 0; i < r->metadata_num; i++)
r_area->metadata_buffer[i] = column_values[r_area->metadata_pos[i]];
+ if (q->plugin_instance_from)
+ r_area->plugin_instance = column_values[q_area->plugin_instance_pos];
+
return udb_result_submit (r, r_area, q, q_area);
} /* }}} int udb_result_handle_result */
udb_result_preparation_area_t *prep_area,
char **column_names, size_t column_num)
{
- size_t i;
-
if ((r == NULL) || (prep_area == NULL))
return (-EINVAL);
BAIL_OUT (-1);
}
- if (((size_t) prep_area->ds->ds_num) != r->values_num)
+ if (prep_area->ds->ds_num != r->values_num)
{
ERROR ("db query utils: udb_result_prepare_result: The type `%s' "
- "requires exactly %i value%s, but the configuration specifies %zu.",
+ "requires exactly %zu value%s, but the configuration specifies %zu.",
r->type,
prep_area->ds->ds_num, (prep_area->ds->ds_num == 1) ? "" : "s",
r->values_num);
= (size_t *) calloc (r->instances_num, sizeof (size_t));
if (prep_area->instances_pos == NULL)
{
- ERROR ("db query utils: udb_result_prepare_result: malloc failed.");
+ ERROR ("db query utils: udb_result_prepare_result: calloc failed.");
BAIL_OUT (-ENOMEM);
}
= (char **) calloc (r->instances_num, sizeof (char *));
if (prep_area->instances_buffer == NULL)
{
- ERROR ("db query utils: udb_result_prepare_result: malloc failed.");
+ ERROR ("db query utils: udb_result_prepare_result: calloc failed.");
BAIL_OUT (-ENOMEM);
}
} /* if (r->instances_num > 0) */
= (size_t *) calloc (r->values_num, sizeof (size_t));
if (prep_area->values_pos == NULL)
{
- ERROR ("db query utils: udb_result_prepare_result: malloc failed.");
+ ERROR ("db query utils: udb_result_prepare_result: calloc failed.");
BAIL_OUT (-ENOMEM);
}
= (char **) calloc (r->values_num, sizeof (char *));
if (prep_area->values_buffer == NULL)
{
- ERROR ("db query utils: udb_result_prepare_result: malloc failed.");
+ ERROR ("db query utils: udb_result_prepare_result: calloc failed.");
BAIL_OUT (-ENOMEM);
}
= (size_t *) calloc (r->metadata_num, sizeof (size_t));
if (prep_area->metadata_pos == NULL)
{
- ERROR ("db query utils: udb_result_prepare_result: malloc failed.");
+ ERROR ("db query utils: udb_result_prepare_result: calloc failed.");
BAIL_OUT (-ENOMEM);
}
= (char **) calloc (r->metadata_num, sizeof (char *));
if (prep_area->metadata_buffer == NULL)
{
- ERROR ("db query utils: udb_result_prepare_result: malloc failed.");
+ ERROR ("db query utils: udb_result_prepare_result: calloc failed.");
BAIL_OUT (-ENOMEM);
}
/* }}} */
- /* Determine the position of the instance columns {{{ */
- for (i = 0; i < r->instances_num; i++)
+ /* Determine the position of the plugin instance column {{{ */
+ for (size_t i = 0; i < r->instances_num; i++)
{
size_t j;
}
} /* }}} for (i = 0; i < r->instances_num; i++) */
+
/* Determine the position of the value columns {{{ */
- for (i = 0; i < r->values_num; i++)
+ for (size_t i = 0; i < r->values_num; i++)
{
size_t j;
} /* }}} for (i = 0; i < r->values_num; i++) */
/* Determine the position of the metadata columns {{{ */
- for (i = 0; i < r->metadata_num; i++)
+ for (size_t i = 0; i < r->metadata_num; i++)
{
size_t j;
static void udb_result_free (udb_result_t *r) /* {{{ */
{
- size_t i;
-
if (r == NULL)
return;
sfree (r->type);
+ sfree (r->instance_prefix);
- for (i = 0; i < r->instances_num; i++)
+ for (size_t i = 0; i < r->instances_num; i++)
sfree (r->instances[i]);
sfree (r->instances);
- for (i = 0; i < r->values_num; i++)
+ for (size_t i = 0; i < r->values_num; i++)
sfree (r->values[i]);
sfree (r->values);
- for (i = 0; i < r->metadata_num; i++)
+ for (size_t i = 0; i < r->metadata_num; i++)
sfree (r->metadata[i]);
sfree (r->metadata);
{
udb_result_t *r;
int status;
- int i;
if (ci->values_num != 0)
{
ci->values_num, (ci->values_num == 1) ? "" : "s");
}
- r = (udb_result_t *) malloc (sizeof (*r));
+ r = calloc (1, sizeof (*r));
if (r == NULL)
{
- ERROR ("db query utils: malloc failed.");
+ ERROR ("db query utils: calloc failed.");
return (-1);
}
- memset (r, 0, sizeof (*r));
r->type = NULL;
r->instance_prefix = NULL;
r->instances = NULL;
/* Fill the `udb_result_t' structure.. */
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;
sfree (q->name);
sfree (q->statement);
+ sfree (q->plugin_instance_from);
udb_result_free (q->results);
udb_query_t *q;
int status;
- int i;
if ((ret_query_list == NULL) || (ret_query_list_len == NULL))
return (-EINVAL);
return (-1);
}
- q = (udb_query_t *) malloc (sizeof (*q));
+ q = calloc (1, sizeof (*q));
if (q == NULL)
{
- ERROR ("db query utils: malloc failed.");
+ ERROR ("db query utils: calloc failed.");
return (-1);
}
- memset (q, 0, sizeof (*q));
q->min_version = 0;
q->max_version = UINT_MAX;
+ q->statement = NULL;
+ q->results = NULL;
+ q->plugin_instance_from = NULL;
status = udb_config_set_string (&q->name, ci);
if (status != 0)
}
/* Fill the `udb_query_t' structure.. */
- for (i = 0; i < ci->children_num; i++)
+ for (int i = 0; i < ci->children_num; i++)
{
oconfig_item_t *child = ci->children + i;
status = udb_config_set_uint (&q->min_version, child);
else if (strcasecmp ("MaxVersion", child->key) == 0)
status = udb_config_set_uint (&q->max_version, child);
+ else if (strcasecmp ("PluginInstanceFrom", child->key) == 0)
+ status = udb_config_set_string (&q->plugin_instance_from, child);
/* Call custom callbacks */
else if (cb != NULL)
{
udb_query_t **temp;
- temp = (udb_query_t **) realloc (query_list,
+ temp = realloc (query_list,
sizeof (*query_list) * (query_list_len + 1));
if (temp == NULL)
{
void udb_query_free (udb_query_t **query_list, size_t query_list_len) /* {{{ */
{
- size_t i;
-
if (query_list == NULL)
return;
- for (i = 0; i < query_list_len; i++)
+ for (size_t i = 0; i < query_list_len; i++)
udb_query_free_one (query_list[i]);
sfree (query_list);
udb_query_t **src_list, size_t src_list_len,
udb_query_t ***dst_list, size_t *dst_list_len)
{
- size_t i;
int num_added;
if ((name == NULL) || (src_list == NULL) || (dst_list == NULL)
}
num_added = 0;
- for (i = 0; i < src_list_len; i++)
+ for (size_t i = 0; i < src_list_len; i++)
{
udb_query_t **tmp_list;
size_t tmp_list_len;
continue;
tmp_list_len = *dst_list_len;
- tmp_list = (udb_query_t **) realloc (*dst_list, (tmp_list_len + 1)
+ tmp_list = realloc (*dst_list, (tmp_list_len + 1)
* sizeof (udb_query_t *));
if (tmp_list == NULL)
{
#if defined(COLLECT_DEBUG) && COLLECT_DEBUG /* {{{ */
do
{
- size_t i;
-
- for (i = 0; i < prep_area->column_num; i++)
+ for (size_t i = 0; i < prep_area->column_num; i++)
{
DEBUG ("db query utils: udb_query_handle_result (%s, %s): "
"column[%zu] = %s;",
#if defined(COLLECT_DEBUG) && COLLECT_DEBUG
do
{
- size_t i;
-
- for (i = 0; i < column_num; i++)
+ for (size_t i = 0; i < column_num; i++)
{
DEBUG ("db query utils: udb_query_prepare_result: "
"query = %s; column[%zu] = %s;",
} while (0);
#endif
+ /* Determine the position of the PluginInstance column {{{ */
+ if (q->plugin_instance_from != NULL)
+ {
+ size_t i;
+
+ for (i = 0; i < column_num; i++)
+ {
+ if (strcasecmp (q->plugin_instance_from, column_names[i]) == 0)
+ {
+ prep_area->plugin_instance_pos = i;
+ break;
+ }
+ }
+
+ if (i >= column_num)
+ {
+ ERROR ("db query utils: udb_query_prepare_result: "
+ "Column `%s' from `PluginInstanceFrom' could not be found.",
+ q->plugin_instance_from);
+ udb_query_finish_result (q, prep_area);
+ return (-ENOENT);
+ }
+ }
+ /* }}} */
+
for (r = q->results, r_area = prep_area->result_prep_areas;
r != NULL; r = r->next, r_area = r_area->next)
{
udb_result_preparation_area_t **next_r_area;
udb_result_t *r;
- q_area = malloc (sizeof (*q_area));
+ q_area = calloc (1, sizeof (*q_area));
if (q_area == NULL)
return NULL;
- memset (q_area, 0, sizeof (*q_area));
next_r_area = &q_area->result_prep_areas;
for (r = q->results; r != NULL; r = r->next)
{
udb_result_preparation_area_t *r_area;
- r_area = malloc (sizeof (*r_area));
+ r_area = calloc (1, sizeof (*r_area));
if (r_area == NULL)
{
udb_result_preparation_area_t *a = q_area->result_prep_areas;
return NULL;
}
- memset (r_area, 0, sizeof (*r_area));
-
*next_r_area = r_area;
next_r_area = &r_area->next;
}
projects / collectd.git / blobdiff