![[tokkee]](http://tokkee.org/images/avatar.png){kind=avatar}
diff --git a/src/utils_cmd_flush.c b/src/utils_cmd_flush.c
--- /dev/null
+++ b/src/utils_cmd_flush.c
@@ -0,0 +1,189 @@
+/**
+ * collectd - src/utils_cmd_flush.c
+ * Copyright (C) 2008 Sebastian Harl
+ * Copyright (C) 2008 Florian Forster
+ *
+ * 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:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * 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:
+ * Sebastian "tokkee" Harl <sh at tokkee.org>
+ * Florian "octo" Forster <octo at collectd.org>
+ **/
+
+#include "collectd.h"
+#include "common.h"
+#include "plugin.h"
+#include "utils_parse_option.h"
+
+#define print_to_socket(fh, ...) \
+ do { \
+ 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; \
+ } \
+ fflush(fh); \
+ } while (0)
+
+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 *buffer)
+{
+ int success = 0;
+ int error = 0;
+
+ double timeout = 0.0;
+ char **plugins = NULL;
+ int plugins_num = 0;
+ char **identifiers = NULL;
+ int identifiers_num = 0;
+
+ int i;
+
+ if ((fh == NULL) || (buffer == NULL))
+ return (-1);
+
+ DEBUG ("utils_cmd_flush: handle_flush (fh = %p, buffer = %s);",
+ (void *) fh, buffer);
+
+ if (strncasecmp ("FLUSH", buffer, strlen ("FLUSH")) != 0)
+ {
+ print_to_socket (fh, "-1 Cannot parse command.\n");
+ return (-1);
+ }
+ buffer += strlen ("FLUSH");
+
+ while (*buffer != 0)
+ {
+ char *opt_key;
+ char *opt_value;
+ int status;
+
+ opt_key = NULL;
+ opt_value = NULL;
+ status = parse_option (&buffer, &opt_key, &opt_value);
+ if (status != 0)
+ {
+ print_to_socket (fh, "-1 Parsing options failed.\n");
+ sfree (plugins);
+ sfree (identifiers);
+ return (-1);
+ }
+
+ if (strcasecmp ("plugin", opt_key) == 0)
+ {
+ add_to_array (&plugins, &plugins_num, opt_value);
+ }
+ else if (strcasecmp ("identifier", opt_key) == 0)
+ {
+ add_to_array (&identifiers, &identifiers_num, opt_value);
+ }
+ else if (strcasecmp ("timeout", opt_key) == 0)
+ {
+ char *endptr;
+
+ errno = 0;
+ endptr = NULL;
+ timeout = strtod (opt_value, &endptr);
+
+ if ((endptr == opt_value) || (errno != 0) || (!isfinite (timeout)))
+ {
+ print_to_socket (fh, "-1 Invalid value for option `timeout': "
+ "%s\n", opt_value);
+ sfree (plugins);
+ sfree (identifiers);
+ return (-1);
+ }
+ else if (timeout < 0.0)
+ {
+ timeout = 0.0;
+ }
+ }
+ else
+ {
+ print_to_socket (fh, "-1 Cannot parse option %s\n", opt_key);
+ sfree (plugins);
+ sfree (identifiers);
+ return (-1);
+ }
+ } /* while (*buffer != 0) */
+
+ /* 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];
+
+ for (j = 0; j < identifiers_num; j++)
+ {
+ char *identifier;
+ int status;
+
+ identifier = identifiers[j];
+ status = plugin_flush (plugin,
+ DOUBLE_TO_CDTIME_T (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 (NULL, DOUBLE_TO_CDTIME_T (timeout), NULL);
+ print_to_socket (fh, "0 Done\n");
+ }
+
+ sfree (plugins);
+ sfree (identifiers);
+ return (0);
+} /* int handle_flush */
+
+/* vim: set sw=4 ts=4 tw=78 noexpandtab : */
+