#include "common.h"
#include "filter_chain.h"
+#include "meta_data.h"
+#include "utils_subst.h"
struct ts_key_list_s
{
if (l == NULL)
return;
- free (l->key);
+ sfree (l->key);
if (l->next != NULL)
ts_key_list_free (l->next);
- free (l);
+ sfree (l);
} /* }}} void ts_name_list_free */
struct ts_data_s
{
ts_key_list_t *entry = NULL;
- if ((ci->values_num != 1)
- || (ci->values[0].type != OCONFIG_TYPE_STRING))
+ entry = calloc (1, sizeof (*entry));
+ if (entry == NULL)
{
- ERROR ("ts_config_add_meta_delete: The %s option requires "
- "exactly one string argument.", ci->key);
- return (-1);
+ ERROR ("ts_config_add_meta_delete: calloc failed.");
+ return (-ENOMEM);
}
- if (strlen (ci->values[0].value.string) == 0)
+ if (cf_util_get_string (ci, &entry->key) != 0)
{
- ERROR ("Target `set': The `%s' option does not accept empty string as "
- "first argument.", ci->key);
- return (-1);
+ ts_key_list_free (entry);
+ return (-1); /* An error has already been reported. */
}
- entry = calloc (1, sizeof (*entry));
- if (entry == NULL)
+ if (strlen (entry->key) == 0)
{
- ERROR ("ts_config_add_meta_delete: calloc failed.");
- return (-ENOMEM);
+ ERROR ("Target `set': The `%s' option does not accept empty string as "
+ "first argument.", ci->key);
+ ts_key_list_free (entry);
+ return (-1);
}
- entry->key = sstrdup (ci->values[0].value.string);
entry->next = *dest;
*dest = entry;
return (0);
} /* }}} int ts_config_add_meta_delete */
+static void ts_subst (char *dest, size_t size, const char *string, /* {{{ */
+ const value_list_t *vl)
+{
+ char temp[DATA_MAX_NAME_LEN];
+
+ /* Initialize the field with the template. */
+ sstrncpy (dest, string, size);
+
+ if (strchr (dest, '%') == NULL)
+ return;
+
+#define REPLACE_FIELD(t, v) \
+ if (subst_string (temp, sizeof (temp), dest, t, v) != NULL) \
+ sstrncpy (dest, temp, size);
+ REPLACE_FIELD ("%{host}", vl->host);
+ REPLACE_FIELD ("%{plugin}", vl->plugin);
+ REPLACE_FIELD ("%{plugin_instance}", vl->plugin_instance);
+ REPLACE_FIELD ("%{type}", vl->type);
+ REPLACE_FIELD ("%{type_instance}", vl->type_instance);
+
+ if (vl->meta != NULL)
+ {
+ char **meta_toc;
+ int meta_entries = meta_data_toc (vl->meta, &meta_toc);
+ for (int i = 0; i < meta_entries; i++)
+ {
+ char meta_name[DATA_MAX_NAME_LEN];
+ char *value_str;
+ const char *key = meta_toc[i];
+
+ ssnprintf (meta_name, sizeof (meta_name), "%%{meta:%s}", key);
+ if (meta_data_as_string (vl->meta, key, &value_str) != 0)
+ continue;
+
+ REPLACE_FIELD (meta_name, value_str);
+ sfree (value_str);
+ }
+
+ strarray_free (meta_toc, (size_t) meta_entries);
+ }
+} /* }}} int ts_subst */
+
static int ts_destroy (void **user_data) /* {{{ */
{
ts_data_t *data;
notification_meta_t __attribute__((unused)) **meta, void **user_data)
{
ts_data_t *data;
+ value_list_t orig;
+ meta_data_t *new_meta = NULL;
if ((ds == NULL) || (vl == NULL) || (user_data == NULL))
return (-EINVAL);
return (-EINVAL);
}
+ orig = *vl;
+
if (data->meta != NULL)
{
- meta_data_clone_merge(&(vl->meta), data->meta);
+ char temp[DATA_MAX_NAME_LEN*2];
+ int meta_entries;
+ char **meta_toc;
+
+ if ((new_meta = meta_data_create()) == NULL)
+ {
+ ERROR ("Target `set': failed to create replacement metadata.");
+ return (-ENOMEM);
+ }
+
+ meta_entries = meta_data_toc (data->meta, &meta_toc);
+ for (int i = 0; i < meta_entries; i++)
+ {
+ const char *key = meta_toc[i];
+ char *string;
+ int status;
+
+ status = meta_data_get_string (data->meta, key, &string);
+ if (status)
+ {
+ ERROR ("Target `set': Unable to get replacement metadata value `%s'.",
+ key);
+ strarray_free (meta_toc, (size_t) meta_entries);
+ return (status);
+ }
+
+ ts_subst (temp, sizeof (temp), string, &orig);
+
+ DEBUG ("target_set: ts_invoke: setting metadata value for key `%s': "
+ "`%s'.", key, temp);
+
+ sfree (string);
+
+ status = meta_data_add_string (new_meta, key, temp);
+ if (status)
+ {
+ ERROR ("Target `set': Unable to set metadata value `%s'.", key);
+ strarray_free (meta_toc, (size_t) meta_entries);
+ return (status);
+ }
+ }
+
+ strarray_free (meta_toc, (size_t) meta_entries);
+ }
+
+#define SUBST_FIELD(f) \
+ if (data->f != NULL) { \
+ ts_subst (vl->f, sizeof (vl->f), data->f, &orig); \
+ DEBUG ("target_set: ts_invoke: setting "#f": `%s'.", vl->f); \
+ }
+ SUBST_FIELD (host);
+ SUBST_FIELD (plugin);
+ SUBST_FIELD (plugin_instance);
+ /* SUBST_FIELD (type); */
+ SUBST_FIELD (type_instance);
+
+ /* Need to merge the metadata in now, because of the shallow copy. */
+ if (new_meta != NULL)
+ {
+ meta_data_clone_merge(&(vl->meta), new_meta);
+ meta_data_destroy(new_meta);
}
/* If data->meta_delete is NULL, this loop is a no-op. */
for (ts_key_list_t *l=data->meta_delete; l != NULL; l = l->next)
{
+ DEBUG ("target_set: ts_invoke: deleting metadata value for key `%s'.",
+ l->key);
meta_data_delete(vl->meta, l->key);
}
-#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);
-
return (FC_TARGET_CONTINUE);
} /* }}} int ts_invoke */
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