* collectd - src/write_log.c
* Copyright (C) 2015 Pierre-Yves Ritschard
*
- * 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:
* Pierre-Yves Ritschard <pyr at spootnik.org>
**/
#include "collectd.h"
+
#include "common.h"
#include "plugin.h"
-#include "configfile.h"
#include "utils_format_graphite.h"
+#include "utils_format_json.h"
-/* Folks without pthread will need to disable this plugin. */
-#include <pthread.h>
-
-#include <sys/socket.h>
#include <netdb.h>
-#define WL_BUF_SIZE 8192
+#define WL_BUF_SIZE 16384
+
+#define WL_FORMAT_GRAPHITE 1
+#define WL_FORMAT_JSON 2
+
+/* Plugin:WriteLog has to also operate without a config, so use a global. */
+int wl_format = WL_FORMAT_GRAPHITE;
-static int wl_write_messages (const data_set_t *ds, const value_list_t *vl)
+static int wl_write_graphite (const data_set_t *ds, const value_list_t *vl)
{
- char buffer[WL_BUF_SIZE];
+ char buffer[WL_BUF_SIZE] = { 0 };
int status;
if (0 != strcmp (ds->type, vl->type))
{
- ERROR ("write_log plugin: DS type does not match "
- "value list type");
+ ERROR ("write_log plugin: DS type does not match value list type");
return -1;
}
- memset (buffer, 0, sizeof (buffer));
status = format_graphite (buffer, sizeof (buffer), ds, vl,
NULL, NULL, '_', 0);
if (status != 0) /* error message has been printed already. */
INFO ("write_log values:\n%s", buffer);
return (0);
-} /* int wl_write_messages */
+} /* int wl_write_graphite */
+
+static int wl_write_json (const data_set_t *ds, const value_list_t *vl)
+{
+ char buffer[WL_BUF_SIZE] = { 0 };
+ size_t bfree = sizeof(buffer);
+ size_t bfill = 0;
+
+ if (0 != strcmp (ds->type, vl->type))
+ {
+ ERROR ("write_log plugin: DS type does not match value list type");
+ return -1;
+ }
+
+ format_json_initialize(buffer, &bfill, &bfree);
+ format_json_value_list(buffer, &bfill, &bfree, ds, vl,
+ /* store rates = */ 0);
+ format_json_finalize(buffer, &bfill, &bfree);
+
+ INFO ("write_log values:\n%s", buffer);
+
+ return (0);
+} /* int wl_write_json */
static int wl_write (const data_set_t *ds, const value_list_t *vl,
- user_data_t *user_data)
+ __attribute__ ((unused)) user_data_t *user_data)
{
- int status;
+ int status = 0;
- status = wl_write_messages (ds, vl);
+ if (wl_format == WL_FORMAT_GRAPHITE)
+ {
+ status = wl_write_graphite (ds, vl);
+ }
+ else if (wl_format == WL_FORMAT_JSON)
+ {
+ status = wl_write_json (ds, vl);
+ }
return (status);
}
+static int wl_config (oconfig_item_t *ci) /* {{{ */
+{
+ _Bool format_seen = 0;
+
+ for (int i = 0; i < ci->children_num; i++)
+ {
+ oconfig_item_t *child = ci->children + i;
+
+ if (strcasecmp ("Format", child->key) == 0)
+ {
+ char str[16];
+
+ if (cf_util_get_string_buffer (child, str, sizeof (str)) != 0)
+ continue;
+
+ if (format_seen)
+ {
+ WARNING ("write_log plugin: Redefining option `%s'.",
+ child->key);
+ }
+ format_seen = 1;
+
+ if (strcasecmp ("Graphite", str) == 0)
+ wl_format = WL_FORMAT_GRAPHITE;
+ else if (strcasecmp ("JSON", str) == 0)
+ wl_format = WL_FORMAT_JSON;
+ else
+ {
+ ERROR ("write_log plugin: Unknown format `%s' for option `%s'.",
+ str, child->key);
+ return (-EINVAL);
+ }
+ }
+ else
+ {
+ ERROR ("write_log plugin: Invalid configuration option: `%s'.",
+ child->key);
+ return (-EINVAL);
+ }
+ }
+
+ return (0);
+} /* }}} int wl_config */
+
void module_register (void)
{
+ plugin_register_complex_config ("write_log", wl_config);
+ /* If config is supplied, the global wl_format will be set. */
plugin_register_write ("write_log", wl_write, NULL);
}
projects / collectd.git / blobdiff