#include "collectd.h"
#include "common.h"
#include "plugin.h"
+#include "configfile.h"
+#include "utils_db_query.h"
#include <oci.h>
/*
* Data types
*/
-struct o_result_s;
-typedef struct o_result_s o_result_t;
-struct o_result_s
-{
- char *type;
- char **instances;
- size_t instances_num;
- char **values;
- size_t values_num;
-
- o_result_t *next;
-};
-
-struct o_query_s
-{
- char *name;
- char *statement;
- OCIStmt *oci_statement;
-
- o_result_t *results;
-};
-typedef struct o_query_s o_query_t;
-
struct o_database_s
{
char *name;
char *username;
char *password;
- o_query_t **queries;
- size_t queries_num;
+ udb_query_t **queries;
+ size_t queries_num;
OCISvcCtx *oci_service_context;
};
/*
* Global variables
*/
-static o_query_t **queries = NULL;
+static udb_query_t **queries = NULL;
static size_t queries_num = 0;
static o_database_t **databases = NULL;
static size_t databases_num = 0;
}
} /* }}} void o_report_error */
-static void o_result_free (o_result_t *r) /* {{{ */
-{
- size_t i;
-
- if (r == NULL)
- return;
-
- sfree (r->type);
-
- for (i = 0; i < r->instances_num; i++)
- sfree (r->instances[i]);
- sfree (r->instances);
-
- for (i = 0; i < r->values_num; i++)
- sfree (r->values[i]);
- sfree (r->values);
-
- o_result_free (r->next);
-
- sfree (r);
-} /* }}} void o_result_free */
-
-static void o_query_free (o_query_t *q) /* {{{ */
-{
- if (q == NULL)
- return;
-
- sfree (q->name);
- sfree (q->statement);
-
- o_result_free (q->results);
-
- sfree (q);
-} /* }}} void o_query_free */
-
static void o_database_free (o_database_t *db) /* {{{ */
{
if (db == NULL)
return (0);
} /* }}} int o_config_set_string */
-static int o_config_add_string (char ***ret_array, /* {{{ */
- size_t *ret_array_len, oconfig_item_t *ci)
-{
- char **array;
- size_t array_len;
- int i;
-
- if (ci->values_num < 1)
- {
- WARNING ("oracle plugin: The `%s' config option "
- "needs at least one argument.", ci->key);
- return (-1);
- }
-
- for (i = 0; i < ci->values_num; i++)
- {
- if (ci->values[i].type != OCONFIG_TYPE_STRING)
- {
- WARNING ("oracle plugin: Argument %i to the `%s' option "
- "is not a string.", i + 1, ci->key);
- return (-1);
- }
- }
-
- array_len = *ret_array_len;
- array = (char **) realloc (*ret_array,
- sizeof (char *) * (array_len + ci->values_num));
- if (array == NULL)
- {
- ERROR ("oracle plugin: realloc failed.");
- return (-1);
- }
- *ret_array = array;
-
- for (i = 0; i < ci->values_num; i++)
- {
- array[array_len] = strdup (ci->values[i].value.string);
- if (array[array_len] == NULL)
- {
- ERROR ("oracle plugin: strdup failed.");
- *ret_array_len = array_len;
- return (-1);
- }
- array_len++;
- }
-
- *ret_array_len = array_len;
- return (0);
-} /* }}} int o_config_add_string */
-
-static int o_config_add_query_result (o_query_t *q, /* {{{ */
- oconfig_item_t *ci)
-{
- o_result_t *r;
- int status;
- int i;
-
- if (ci->values_num != 0)
- {
- WARNING ("oracle plugin: The `Result' block doesn't accept any arguments. "
- "Ignoring %i argument%s.",
- ci->values_num, (ci->values_num == 1) ? "" : "s");
- }
-
- r = (o_result_t *) malloc (sizeof (*r));
- if (r == NULL)
- {
- ERROR ("oracle plugin: malloc failed.");
- return (-1);
- }
- memset (r, 0, sizeof (*r));
- r->type = NULL;
- r->instances = NULL;
- r->values = NULL;
- r->next = NULL;
-
- /* Fill the `o_result_t' structure.. */
- status = 0;
- for (i = 0; i < ci->children_num; i++)
- {
- oconfig_item_t *child = ci->children + i;
-
- if (strcasecmp ("Type", child->key) == 0)
- status = o_config_set_string (&r->type, child);
- else if (strcasecmp ("InstancesFrom", child->key) == 0)
- status = o_config_add_string (&r->instances, &r->instances_num, child);
- else if (strcasecmp ("ValuesFrom", child->key) == 0)
- status = o_config_add_string (&r->values, &r->values_num, child);
- else
- {
- WARNING ("oracle plugin: Query `%s': Option `%s' not allowed here.",
- q->name, child->key);
- status = -1;
- }
-
- if (status != 0)
- break;
- }
-
- /* Check that all necessary options have been given. */
- while (status == 0)
- {
- if (r->type == NULL)
- {
- WARNING ("oracle plugin: `Type' not given for "
- "result in query `%s'", q->name);
- status = -1;
- }
- if (r->instances == NULL)
- {
- WARNING ("oracle plugin: `InstancesFrom' not given for "
- "result in query `%s'", q->name);
- status = -1;
- }
- if (r->values == NULL)
- {
- WARNING ("oracle plugin: `ValuesFrom' not given for "
- "result in query `%s'", q->name);
- status = -1;
- }
-
- break;
- } /* while (status == 0) */
-
- /* If all went well, add this result to the list of results within the
- * query structure. */
- if (status == 0)
- {
- if (q->results == NULL)
- {
- q->results = r;
- }
- else
- {
- o_result_t *last;
-
- last = q->results;
- while (last->next != NULL)
- last = last->next;
-
- last->next = r;
- }
- }
-
- if (status != 0)
- {
- o_result_free (r);
- return (-1);
- }
-
- return (0);
-} /* }}} int o_config_add_query_result */
-
-static int o_config_add_query (oconfig_item_t *ci) /* {{{ */
-{
- o_query_t *q;
- int status;
- int i;
-
- if ((ci->values_num != 1)
- || (ci->values[0].type != OCONFIG_TYPE_STRING))
- {
- WARNING ("oracle plugin: The `Query' block "
- "needs exactly one string argument.");
- return (-1);
- }
-
- q = (o_query_t *) malloc (sizeof (*q));
- if (q == NULL)
- {
- ERROR ("oracle plugin: malloc failed.");
- return (-1);
- }
- memset (q, 0, sizeof (*q));
-
- status = o_config_set_string (&q->name, ci);
- if (status != 0)
- {
- sfree (q);
- return (status);
- }
-
- /* Fill the `o_query_t' structure.. */
- for (i = 0; i < ci->children_num; i++)
- {
- oconfig_item_t *child = ci->children + i;
-
- if (strcasecmp ("Statement", child->key) == 0)
- status = o_config_set_string (&q->statement, child);
- else if (strcasecmp ("Result", child->key) == 0)
- status = o_config_add_query_result (q, child);
- else
- {
- WARNING ("oracle plugin: Option `%s' not allowed here.", child->key);
- status = -1;
- }
-
- if (status != 0)
- break;
- }
-
- /* Check that all necessary options have been given. */
- while (status == 0)
- {
- if (q->statement == NULL)
- {
- WARNING ("oracle plugin: `Statement' not given for query `%s'", q->name);
- status = -1;
- }
- if (q->results == NULL)
- {
- WARNING ("oracle plugin: No (valid) `Result' block given for query `%s'",
- q->name);
- status = -1;
- }
-
- break;
- } /* while (status == 0) */
-
- /* If all went well, add this query to the list of queries within the
- * database structure. */
- if (status == 0)
- {
- o_query_t **temp;
-
- temp = (o_query_t **) realloc (queries,
- sizeof (*queries) * (queries_num + 1));
- if (temp == NULL)
- {
- ERROR ("oracle plugin: realloc failed");
- status = -1;
- }
- else
- {
- queries = temp;
- queries[queries_num] = q;
- queries_num++;
- }
- }
-
- if (status != 0)
- {
- o_query_free (q);
- return (-1);
- }
-
- return (0);
-} /* }}} int o_config_add_query */
-
-static int o_config_add_database_query (o_database_t *db, /* {{{ */
- oconfig_item_t *ci)
-{
- o_query_t *q;
- o_query_t **temp;
- size_t i;
-
- if ((ci->values_num != 1)
- || (ci->values[0].type != OCONFIG_TYPE_STRING))
- {
- WARNING ("oracle plugin: The `Query' config option "
- "needs exactly one string argument.");
- return (-1);
- }
-
- q = NULL;
- for (i = 0; i < queries_num; i++)
- {
- if (strcasecmp (queries[i]->name, ci->values[0].value.string) == 0)
- {
- q = queries[i];
- break;
- }
- }
-
- if (q == NULL)
- {
- WARNING ("oracle plugin: Database `%s': Unknown query `%s'. "
- "Please make sure that the <Query \"%s\"> block comes before "
- "the <Database \"%s\"> block.",
- db->name, ci->values[0].value.string,
- ci->values[0].value.string, db->name);
- return (-1);
- }
-
- temp = (o_query_t **) realloc (db->queries,
- sizeof (*db->queries) * (db->queries_num + 1));
- if (temp == NULL)
- {
- ERROR ("oracle plugin: realloc failed");
- return (-1);
- }
- else
- {
- db->queries = temp;
- db->queries[db->queries_num] = q;
- db->queries_num++;
- }
-
- return (0);
-} /* }}} int o_config_add_database_query */
-
static int o_config_add_database (oconfig_item_t *ci) /* {{{ */
{
o_database_t *db;
else if (strcasecmp ("Password", child->key) == 0)
status = o_config_set_string (&db->password, child);
else if (strcasecmp ("Query", child->key) == 0)
- status = o_config_add_database_query (db, child);
+ status = udb_query_pick_from_list (child, queries, queries_num,
+ &db->queries, &db->queries_num);
else
{
WARNING ("oracle plugin: Option `%s' not allowed here.", child->key);
{
oconfig_item_t *child = ci->children + i;
if (strcasecmp ("Query", child->key) == 0)
- o_config_add_query (child);
+ udb_query_create (&queries, &queries_num, child);
else if (strcasecmp ("Database", child->key) == 0)
o_config_add_database (child);
else
{
- WARNING ("snmp plugin: Ignoring unknown config option `%s'.", child->key);
+ WARNING ("oracle plugin: Ignoring unknown config option `%s'.", child->key);
+ }
+
+ if (queries_num > 0)
+ {
+ DEBUG ("oracle plugin: o_config: queries_num = %zu; queries[0] = %p; udb_query_get_user_data (queries[0]) = %p;",
+ queries_num, (void *) queries[0], udb_query_get_user_data (queries[0]));
}
} /* for (ci->children) */
return (0);
} /* }}} int o_init */
-static void o_submit (o_database_t *db, o_result_t *r, /* {{{ */
- const data_set_t *ds, char **buffer_instances, char **buffer_values)
-{
- value_list_t vl = VALUE_LIST_INIT;
- size_t i;
-
- assert (((size_t) ds->ds_num) == r->values_num);
-
- vl.values = (value_t *) malloc (sizeof (value_t) * r->values_num);
- if (vl.values == NULL)
- {
- ERROR ("oracle plugin: malloc failed.");
- return;
- }
- vl.values_len = ds->ds_num;
-
- for (i = 0; i < r->values_num; i++)
- {
- char *endptr;
-
- endptr = NULL;
- errno = 0;
- if (ds->ds[i].type == DS_TYPE_COUNTER)
- vl.values[i].counter = (counter_t) strtoll (buffer_values[i],
- &endptr, /* base = */ 0);
- else if (ds->ds[i].type == DS_TYPE_GAUGE)
- vl.values[i].gauge = (gauge_t) strtod (buffer_values[i], &endptr);
- else
- errno = EINVAL;
-
- if ((endptr == buffer_values[i]) || (errno != 0))
- {
- WARNING ("oracle plugin: o_submit: Parsing `%s' as %s failed.",
- buffer_values[i],
- (ds->ds[i].type == DS_TYPE_COUNTER) ? "counter" : "gauge");
- vl.values[i].gauge = NAN;
- }
- }
-
- vl.time = time (NULL);
- sstrncpy (vl.host, hostname_g, sizeof (vl.host));
- sstrncpy (vl.plugin, "oracle", sizeof (vl.plugin));
- sstrncpy (vl.plugin_instance, db->name, sizeof (vl.type_instance));
- sstrncpy (vl.type, r->type, sizeof (vl.type));
- strjoin (vl.type_instance, sizeof (vl.type_instance),
- buffer_instances, r->instances_num, "-");
- vl.type_instance[sizeof (vl.type_instance) - 1] = 0;
-
- plugin_dispatch_values (&vl);
-} /* }}} void o_submit */
-
-static int o_handle_query_result (o_database_t *db, /* {{{ */
- o_query_t *q, o_result_t *r,
- char **column_names, char **column_values, size_t column_num)
-{
- const data_set_t *ds;
- char **instances;
- char **values;
- size_t i;
-
- instances = NULL;
- values = NULL;
-
-#define BAIL_OUT(status) \
- sfree (instances); \
- sfree (values); \
- return (status)
-
- /* Read `ds' and check number of values {{{ */
- ds = plugin_get_ds (r->type);
- if (ds == NULL)
- {
- ERROR ("oracle plugin: o_handle_query_result (%s, %s): Type `%s' is not "
- "known by the daemon. See types.db(5) for details.",
- db->name, q->name, r->type);
- BAIL_OUT (-1);
- }
-
- if (((size_t) ds->ds_num) != r->values_num)
- {
- ERROR ("oracle plugin: o_handle_query_result (%s, %s): The type `%s' "
- "requires exactly %i value%s, but the configuration specifies %zu.",
- db->name, q->name, r->type,
- ds->ds_num, (ds->ds_num == 1) ? "" : "s",
- r->values_num);
- BAIL_OUT (-1);
- }
- /* }}} */
-
- /* Allocate `instances' and `values'. {{{ */
- instances = (char **) calloc (r->instances_num, sizeof (char *));
- if (instances == NULL)
- {
- ERROR ("oracle plugin: o_handle_query_result (%s, %s): malloc failed.",
- db->name, q->name);
- BAIL_OUT (-1);
- }
-
- values = (char **) calloc (r->values_num, sizeof (char *));
- if (values == NULL)
- {
- sfree (instances);
- ERROR ("oracle plugin: o_handle_query_result (%s, %s): malloc failed.",
- db->name, q->name);
- BAIL_OUT (-1);
- }
- /* }}} */
-
- /* Fill `instances' with pointers to the appropriate strings from
- * `column_values' */
- for (i = 0; i < r->instances_num; i++) /* {{{ */
- {
- size_t j;
-
- instances[i] = NULL;
- for (j = 0; j < column_num; j++)
- {
- if (strcasecmp (r->instances[i], column_names[j]) == 0)
- {
- instances[i] = column_values[j];
- break;
- }
- }
-
- if (instances[i] == NULL)
- {
- ERROR ("oracle plugin: o_handle_query_result (%s, %s): "
- "Cannot find column `%s'. Is the statement correct?",
- db->name, q->name, r->instances[i]);
- BAIL_OUT (-1);
- }
- } /* }}} */
-
- /* Fill `values' with pointers to the appropriate strings from
- * `column_values' */
- for (i = 0; i < r->values_num; i++) /* {{{ */
- {
- size_t j;
-
- values[i] = NULL;
- for (j = 0; j < column_num; j++)
- {
- if (strcasecmp (r->values[i], column_names[j]) == 0)
- {
- values[i] = column_values[j];
- break;
- }
- }
-
- if (values[i] == NULL)
- {
- ERROR ("oracle plugin: o_handle_query_result (%s, %s): "
- "Cannot find column `%s'. Is the statement correct?",
- db->name, q->name, r->values[i]);
- BAIL_OUT (-1);
- }
- } /* }}} */
-
- o_submit (db, r, ds, instances, values);
-
- BAIL_OUT (0);
-#undef BAIL_OUT
-} /* }}} int o_handle_query_result */
-
static int o_read_database_query (o_database_t *db, /* {{{ */
- o_query_t *q)
+ udb_query_t *q)
{
char **column_names;
char **column_values;
size_t column_num;
+ OCIStmt *oci_statement;
+
/* List of `OCIDefine' pointers. These defines map columns to the buffer
* space declared above. */
OCIDefine **oci_defines;
int status;
size_t i;
+ oci_statement = udb_query_get_user_data (q);
+
/* Prepare the statement */
- if (q->oci_statement == NULL) /* {{{ */
+ if (oci_statement == NULL) /* {{{ */
{
- status = OCIHandleAlloc (oci_env, (void *) &q->oci_statement,
+ const char *statement;
+
+ statement = udb_query_get_statement (q);
+ assert (statement != NULL);
+
+ status = OCIHandleAlloc (oci_env, (void *) &oci_statement,
OCI_HTYPE_STMT, /* user_data_size = */ 0, /* user_data = */ NULL);
if (status != OCI_SUCCESS)
{
o_report_error ("o_read_database_query", "OCIHandleAlloc", oci_error);
- q->oci_statement = NULL;
+ oci_statement = NULL;
return (-1);
}
- status = OCIStmtPrepare (q->oci_statement, oci_error,
- (text *) q->statement, (ub4) strlen (q->statement),
+ status = OCIStmtPrepare (oci_statement, oci_error,
+ (text *) statement, (ub4) strlen (statement),
/* language = */ OCI_NTV_SYNTAX,
/* mode = */ OCI_DEFAULT);
if (status != OCI_SUCCESS)
{
o_report_error ("o_read_database_query", "OCIStmtPrepare", oci_error);
- OCIHandleFree (q->oci_statement, OCI_HTYPE_STMT);
- q->oci_statement = NULL;
+ OCIHandleFree (oci_statement, OCI_HTYPE_STMT);
+ oci_statement = NULL;
return (-1);
}
- assert (q->oci_statement != NULL);
+ udb_query_set_user_data (q, oci_statement);
+
+ DEBUG ("oracle plugin: o_read_database_query (%s, %s): "
+ "Successfully allocated statement handle.",
+ db->name, udb_query_get_name (q));
} /* }}} */
+ assert (oci_statement != NULL);
+
/* Execute the statement */
status = OCIStmtExecute (db->oci_service_context, /* {{{ */
- q->oci_statement,
+ oci_statement,
oci_error,
/* iters = */ 0,
/* rowoff = */ 0,
/* mode = */ OCI_DEFAULT);
if (status != OCI_SUCCESS)
{
+ DEBUG ("oracle plugin: o_read_database_query: status = %i (%#x)", status, status);
o_report_error ("o_read_database_query", "OCIStmtExecute", oci_error);
ERROR ("oracle plugin: o_read_database_query: "
- "Failing statement was: %s", q->statement);
+ "Failing statement was: %s", udb_query_get_statement (q));
return (-1);
} /* }}} */
do /* {{{ */
{
ub4 param_counter = 0;
- status = OCIAttrGet (q->oci_statement, OCI_HTYPE_STMT, /* {{{ */
+ status = OCIAttrGet (oci_statement, OCI_HTYPE_STMT, /* {{{ */
¶m_counter, /* size pointer = */ NULL,
OCI_ATTR_PARAM_COUNT, oci_error);
if (status != OCI_SUCCESS)
{
char *column_name;
size_t column_name_length;
- char column_name_copy[DATA_MAX_NAME_LEN];
OCIParam *oci_param;
oci_param = NULL;
- status = OCIParamGet (q->oci_statement, OCI_HTYPE_STMT, oci_error,
+ status = OCIParamGet (oci_statement, OCI_HTYPE_STMT, oci_error,
(void *) &oci_param, (ub4) (i + 1));
if (status != OCI_SUCCESS)
{
DEBUG ("oracle plugin: o_read_database_query: column_names[%zu] = %s; "
"column_name_length = %zu;",
- i, column_name_copy, column_name_length);
+ i, column_names[i], column_name_length);
- status = OCIDefineByPos (q->oci_statement,
+ status = OCIDefineByPos (oci_statement,
&oci_defines[i], oci_error, (ub4) (i + 1),
column_values[i], DATA_MAX_NAME_LEN, SQLT_STR,
NULL, NULL, NULL, OCI_DEFAULT);
} /* for (j = 1; j <= param_counter; j++) */
/* }}} End of the ``define'' stuff. */
+ status = udb_query_prepare_result (q, hostname_g, /* plugin = */ "oracle",
+ db->name, column_names, column_num);
+ if (status != 0)
+ {
+ ERROR ("oracle plugin: o_read_database_query (%s, %s): "
+ "udb_query_prepare_result failed.",
+ db->name, udb_query_get_name (q));
+ FREE_ALL;
+ return (-1);
+ }
+
/* Fetch and handle all the rows that matched the query. */
while (42) /* {{{ */
{
- o_result_t *r;
-
- status = OCIStmtFetch2 (q->oci_statement, oci_error,
+ status = OCIStmtFetch2 (oci_statement, oci_error,
/* nrows = */ 1, /* orientation = */ OCI_FETCH_NEXT,
/* fetch offset = */ 0, /* mode = */ OCI_DEFAULT);
if (status == OCI_NO_DATA)
break;
}
- for (i = 0; i < column_num; i++)
+ status = udb_query_handle_result (q, column_values);
+ if (status != 0)
{
- DEBUG ("oracle plugin: o_read_database_query: [%zu] %s = %s;",
- i, column_names[i], column_values[i]);
+ WARNING ("oracle plugin: o_read_database_query (%s, %s): "
+ "udb_query_handle_result failed.",
+ db->name, udb_query_get_name (q));
}
-
- for (r = q->results; r != NULL; r = r->next)
- o_handle_query_result (db, q, r, column_names, column_values, column_num);
} /* }}} while (42) */
/* DEBUG ("oracle plugin: o_read_database_query: This statement succeeded: %s", q->statement); */
}
for (i = 0; i < queries_num; i++)
- if (queries[i]->oci_statement != NULL)
+ {
+ OCIStmt *oci_statement;
+
+ oci_statement = udb_query_get_user_data (queries[i]);
+ if (oci_statement != NULL)
{
- OCIHandleFree (queries[i]->oci_statement, OCI_HTYPE_STMT);
- queries[i]->oci_statement = NULL;
+ OCIHandleFree (oci_statement, OCI_HTYPE_STMT);
+ udb_query_set_user_data (queries[i], NULL);
}
+ }
OCIHandleFree (oci_env, OCI_HTYPE_ENV);
+
+ udb_query_free (queries, queries_num);
+ queries = NULL;
+ queries_num = 0;
+
return (0);
} /* }}} int o_shutdown */
projects / collectd.git / commitdiff