/**
* collectd - src/target_set.c
- * Copyright (C) 2008 Florian Forster
+ * Copyright (C) 2008 Florian 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
- * Free Software Foundation; only version 2 of the License is applicable.
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
*
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
*
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
*
* Authors:
- * Florian Forster <octo at verplant.org>
+ * Florian Forster <octo at collectd.org>
**/
#include "collectd.h"
+
#include "common.h"
#include "filter_chain.h"
-struct ts_data_s
-{
+struct ts_data_s {
char *host;
char *plugin;
char *plugin_instance;
/* char *type; */
char *type_instance;
+ meta_data_t *meta;
};
typedef struct ts_data_s ts_data_t;
-static char *ts_strdup (const char *orig) /* {{{ */
+static int ts_util_get_key_and_string_wo_strdup(const oconfig_item_t *ci,
+ char **ret_key,
+ char **ret_string) /* {{{ */
{
- size_t sz;
- char *dest;
-
- if (orig == NULL)
- return (NULL);
-
- sz = strlen (orig) + 1;
- dest = (char *) malloc (sz);
- if (dest == NULL)
- return (NULL);
+ if ((ci->values_num != 2) || (ci->values[0].type != OCONFIG_TYPE_STRING) ||
+ (ci->values[1].type != OCONFIG_TYPE_STRING)) {
+ ERROR("ts_util_get_key_and_string_wo_strdup: The %s option requires "
+ "exactly two string argument.",
+ ci->key);
+ return (-1);
+ }
- memcpy (dest, orig, sz);
+ *ret_key = ci->values[0].value.string;
+ *ret_string = ci->values[1].value.string;
- return (dest);
-} /* }}} char *ts_strdup */
+ return (0);
+} /* }}} int ts_util_get_key_and_string_wo_strdup */
-static int ts_config_add_string (char **dest, /* {{{ */
- const oconfig_item_t *ci, int may_be_empty)
-{
- char *temp;
+static int ts_config_add_string(char **dest, /* {{{ */
+ const oconfig_item_t *ci, int may_be_empty) {
+ char *tmp = NULL;
+ int status;
- if (dest == NULL)
- return (-EINVAL);
+ status = cf_util_get_string(ci, &tmp);
+ if (status != 0)
+ return (status);
- if ((ci->values_num != 1)
- || (ci->values[0].type != OCONFIG_TYPE_STRING))
- {
- ERROR ("Target `set': The `%s' option requires exactly one string "
- "argument.", ci->key);
+ if (!may_be_empty && (strlen(tmp) == 0)) {
+ ERROR("Target `set': The `%s' option does not accept empty strings.",
+ ci->key);
+ sfree(tmp);
return (-1);
}
- if ((!may_be_empty) && (ci->values[0].value.string[0] == 0))
- {
- ERROR ("Target `set': The `%s' option does not accept empty strings.",
- ci->key);
+ *dest = tmp;
+ return (0);
+} /* }}} int ts_config_add_string */
+
+static int ts_config_add_meta(meta_data_t **dest, /* {{{ */
+ const oconfig_item_t *ci, int may_be_empty) {
+ char *key = NULL;
+ char *string = NULL;
+ int status;
+
+ status = ts_util_get_key_and_string_wo_strdup(ci, &key, &string);
+ if (status != 0)
+ return (status);
+
+ if (strlen(key) == 0) {
+ ERROR("Target `set': The `%s' option does not accept empty string as first "
+ "argument.",
+ ci->key);
return (-1);
}
- temp = ts_strdup (ci->values[0].value.string);
- if (temp == NULL)
- {
- ERROR ("ts_config_add_string: ts_strdup failed.");
+ if (!may_be_empty && (strlen(string) == 0)) {
+ ERROR("Target `set': The `%s' option does not accept empty string as "
+ "second argument.",
+ ci->key);
return (-1);
}
- free (*dest);
- *dest = temp;
+ if ((*dest) == NULL) {
+ // Create a new meta_data_t
+ if ((*dest = meta_data_create()) == NULL) {
+ ERROR("Target `set': failed to create a meta data for `%s'.", ci->key);
+ return (-1);
+ }
+ }
- return (0);
-} /* }}} int ts_config_add_string */
+ return (meta_data_add_string(*dest, key, string));
+} /* }}} int ts_config_add_meta */
-static int ts_destroy (void **user_data) /* {{{ */
+static int ts_destroy(void **user_data) /* {{{ */
{
ts_data_t *data;
if (data == NULL)
return (0);
- free (data->host);
- free (data->plugin);
- free (data->plugin_instance);
+ free(data->host);
+ free(data->plugin);
+ free(data->plugin_instance);
/* free (data->type); */
- free (data->type_instance);
- free (data);
+ free(data->type_instance);
+ meta_data_destroy(data->meta);
+ free(data);
return (0);
} /* }}} int ts_destroy */
-static int ts_create (const oconfig_item_t *ci, void **user_data) /* {{{ */
+static int ts_create(const oconfig_item_t *ci, void **user_data) /* {{{ */
{
ts_data_t *data;
int status;
- int i;
- data = (ts_data_t *) malloc (sizeof (*data));
- if (data == NULL)
- {
- ERROR ("ts_create: malloc failed.");
+ data = calloc(1, sizeof(*data));
+ if (data == NULL) {
+ ERROR("ts_create: calloc failed.");
return (-ENOMEM);
}
- memset (data, 0, sizeof (*data));
data->host = NULL;
data->plugin = NULL;
data->plugin_instance = NULL;
/* data->type = NULL; */
data->type_instance = NULL;
+ data->meta = NULL;
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 ("Host", child->key) == 0)
- || (strcasecmp ("Hostname", child->key) == 0))
- status = ts_config_add_string (&data->host, child,
- /* may be empty = */ 0);
- else if (strcasecmp ("Plugin", child->key) == 0)
- status = ts_config_add_string (&data->plugin, child,
- /* may be empty = */ 0);
- else if (strcasecmp ("PluginInstance", child->key) == 0)
- status = ts_config_add_string (&data->plugin_instance, child,
- /* may be empty = */ 1);
+ if ((strcasecmp("Host", child->key) == 0) ||
+ (strcasecmp("Hostname", child->key) == 0))
+ status = ts_config_add_string(&data->host, child,
+ /* may be empty = */ 0);
+ else if (strcasecmp("Plugin", child->key) == 0)
+ status = ts_config_add_string(&data->plugin, child,
+ /* may be empty = */ 0);
+ else if (strcasecmp("PluginInstance", child->key) == 0)
+ status = ts_config_add_string(&data->plugin_instance, child,
+ /* may be empty = */ 1);
#if 0
else if (strcasecmp ("Type", child->key) == 0)
status = ts_config_add_string (&data->type, child,
/* may be empty = */ 0);
#endif
- else if (strcasecmp ("TypeInstance", child->key) == 0)
- status = ts_config_add_string (&data->type_instance, child,
- /* may be empty = */ 1);
- else
- {
- ERROR ("Target `set': The `%s' configuration option is not understood "
- "and will be ignored.", child->key);
+ else if (strcasecmp("TypeInstance", child->key) == 0)
+ status = ts_config_add_string(&data->type_instance, child,
+ /* may be empty = */ 1);
+ else if (strcasecmp("MetaData", child->key) == 0)
+ status = ts_config_add_meta(&data->meta, child,
+ /* may be empty = */ 1);
+ else {
+ ERROR("Target `set': The `%s' configuration option is not understood "
+ "and will be ignored.",
+ child->key);
status = 0;
}
}
/* Additional sanity-checking */
- while (status == 0)
- {
- if ((data->host == NULL)
- && (data->plugin == NULL)
- && (data->plugin_instance == NULL)
+ while (status == 0) {
+ if ((data->host == NULL) && (data->plugin == NULL) &&
+ (data->plugin_instance == NULL)
/* && (data->type == NULL) */
- && (data->type_instance == NULL))
- {
- ERROR ("Target `set': You need to set at least one of `Host', "
- "`Plugin', `PluginInstance' or `TypeInstance'.");
+ && (data->type_instance == NULL) && (data->meta == NULL)) {
+ ERROR("Target `set': You need to set at least one of `Host', "
+ "`Plugin', `PluginInstance', `TypeInstance', `MetaData'.");
status = -1;
}
break;
}
- if (status != 0)
- {
- ts_destroy ((void *) &data);
+ if (status != 0) {
+ ts_destroy((void *)&data);
return (status);
}
return (0);
} /* }}} int ts_create */
-static int ts_invoke (const data_set_t *ds, value_list_t *vl, /* {{{ */
- notification_meta_t __attribute__((unused)) **meta, void **user_data)
-{
+static int ts_invoke(const data_set_t *ds, value_list_t *vl, /* {{{ */
+ notification_meta_t __attribute__((unused)) * *meta,
+ void **user_data) {
ts_data_t *data;
if ((ds == NULL) || (vl == NULL) || (user_data == NULL))
return (-EINVAL);
data = *user_data;
- if (data == NULL)
- {
- ERROR ("Target `set': Invoke: `data' is NULL.");
+ if (data == NULL) {
+ ERROR("Target `set': Invoke: `data' is NULL.");
return (-EINVAL);
}
-#define SET_FIELD(f) if (data->f != NULL) { sstrncpy (vl->f, data->f, sizeof (vl->f)); }
- SET_FIELD (host);
- SET_FIELD (plugin);
- SET_FIELD (plugin_instance);
+ if (data->meta != NULL) {
+ meta_data_clone_merge(&(vl->meta), data->meta);
+ }
+
+#define SET_FIELD(f) \
+ if (data->f != NULL) { \
+ sstrncpy(vl->f, data->f, sizeof(vl->f)); \
+ }
+ SET_FIELD(host);
+ SET_FIELD(plugin);
+ SET_FIELD(plugin_instance);
/* SET_FIELD (type); */
- SET_FIELD (type_instance);
+ SET_FIELD(type_instance);
return (FC_TARGET_CONTINUE);
} /* }}} int ts_invoke */
-void module_register (void)
-{
- target_proc_t tproc;
+void module_register(void) {
+ target_proc_t tproc = {0};
- memset (&tproc, 0, sizeof (tproc));
- tproc.create = ts_create;
- tproc.destroy = ts_destroy;
- tproc.invoke = ts_invoke;
- fc_register_target ("set", tproc);
+ tproc.create = ts_create;
+ tproc.destroy = ts_destroy;
+ tproc.invoke = ts_invoke;
+ fc_register_target("set", tproc);
} /* module_register */
/* vim: set sw=2 sts=2 tw=78 et fdm=marker : */
-
projects / collectd.git / blobdiff