/**
* collectd - src/utils_cmd_flush.c
* Copyright (C) 2008 Sebastian Harl
+ * 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
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
- * Author:
+ * Authors:
* Sebastian "tokkee" Harl <sh at tokkee.org>
+ * Florian "octo" Forster <octo at verplant.org>
**/
#include "collectd.h"
+#include "common.h"
#include "plugin.h"
+#define print_to_socket(fh, ...) \
+ if (fprintf (fh, __VA_ARGS__) < 0) { \
+ char errbuf[1024]; \
+ WARNING ("handle_flush: failed to write to socket #%i: %s", \
+ fileno (fh), sstrerror (errno, errbuf, sizeof (errbuf))); \
+ return -1; \
+ }
+
+static int add_to_array (char ***array, int *array_num, char *value)
+{
+ char **temp;
+
+ temp = (char **) realloc (*array, sizeof (char *) * (*array_num + 1));
+ if (temp == NULL)
+ return (-1);
+
+ *array = temp;
+ (*array)[*array_num] = value;
+ (*array_num)++;
+
+ return (0);
+} /* int add_to_array */
+
int handle_flush (FILE *fh, char **fields, int fields_num)
{
+ int success = 0;
+ int error = 0;
+
int timeout = -1;
+ char **plugins = NULL;
+ int plugins_num = 0;
+ char **identifiers = NULL;
+ int identifiers_num = 0;
+
+ int i;
- if ((fields_num != 1) && (fields_num != 2))
+ for (i = 1; i < fields_num; i++)
{
- DEBUG ("unixsock plugin: us_handle_flush: "
- "Wrong number of fields: %i", fields_num);
- fprintf (fh, "-1 Wrong number of fields: Got %i, expected 1 or 2.\n",
- fields_num);
- fflush (fh);
- return (-1);
+ char *option = fields[i];
+ int status = 0;
+
+ if (strncasecmp ("plugin=", option, strlen ("plugin=")) == 0)
+ {
+ char *plugin;
+
+ plugin = option + strlen ("plugin=");
+ add_to_array (&plugins, &plugins_num, plugin);
+ }
+ else if (strncasecmp ("identifier=", option, strlen ("identifier=")) == 0)
+ {
+ char *identifier;
+
+ identifier = option + strlen ("identifier=");
+ add_to_array (&identifiers, &identifiers_num, identifier);
+ }
+ else if (strncasecmp ("timeout=", option, strlen ("timeout=")) == 0)
+ {
+ char *endptr = NULL;
+ char *value = option + strlen ("timeout=");
+
+ errno = 0;
+ timeout = strtol (value, &endptr, 0);
+
+ if ((endptr == value) || (0 != errno))
+ status = -1;
+ else if (0 >= timeout)
+ timeout = -1;
+ }
+ else
+ status = -1;
+
+ if (status != 0)
+ {
+ print_to_socket (fh, "-1 Cannot parse option %s\n", option);
+ return (-1);
+ }
}
- if (fields_num == 2)
- timeout = atoi (fields[1]);
+ /* Add NULL entries for `any plugin' and/or `any value' if nothing was
+ * specified. */
+ if (plugins_num == 0)
+ add_to_array (&plugins, &plugins_num, NULL);
+
+ if (identifiers_num == 0)
+ add_to_array (&identifiers, &identifiers_num, NULL);
+
+ for (i = 0; i < plugins_num; i++)
+ {
+ char *plugin;
+ int j;
+
+ plugin = plugins[i];
- INFO ("unixsock plugin: flushing all data");
- plugin_flush_all (timeout);
- INFO ("unixsock plugin: finished flushing all data");
+ for (j = 0; j < identifiers_num; j++)
+ {
+ char *identifier;
+ int status;
+
+ identifier = identifiers[j];
+ status = plugin_flush (plugin, timeout, identifier);
+ if (status == 0)
+ success++;
+ else
+ error++;
+ }
+ }
+
+ if ((success + error) > 0)
+ {
+ print_to_socket (fh, "0 Done: %i successful, %i errors\n",
+ success, error);
+ }
+ else
+ {
+ plugin_flush_all (timeout);
+ print_to_socket (fh, "0 Done\n");
+ }
- fprintf (fh, "0 Done\n");
- fflush (fh);
return (0);
} /* int handle_flush */