#include "collectd.h"
#include "common.h"
#include "plugin.h"
+#include "utils_parse_option.h"
-int handle_flush (FILE *fh, char **fields, int fields_num)
+#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 *buffer)
{
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;
- for (i = 1; i < fields_num; 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 *option = fields[i];
- int status = 0;
+ char *opt_key;
+ char *opt_value;
+ int status;
- if (strncasecmp ("plugin=", option, strlen ("plugin=")) == 0)
+ opt_key = NULL;
+ opt_value = NULL;
+ status = parse_option (&buffer, &opt_key, &opt_value);
+ if (status != 0)
{
- char *plugin = option + strlen ("plugin=");
+ print_to_socket (fh, "-1 Parsing options failed.\n");
+ sfree (plugins);
+ sfree (identifiers);
+ return (-1);
+ }
- if (0 == plugin_flush_one (timeout, plugin))
- ++success;
- else
- ++error;
+ if (strcasecmp ("plugin", opt_key) == 0)
+ {
+ add_to_array (&plugins, &plugins_num, opt_value);
}
- else if (strncasecmp ("timeout=", option, strlen ("timeout=")) == 0)
+ else if (strcasecmp ("identifier", opt_key) == 0)
{
- char *endptr = NULL;
- char *value = option + strlen ("timeout=");
-
+ add_to_array (&identifiers, &identifiers_num, opt_value);
+ }
+ else if (strcasecmp ("timeout", opt_key) == 0)
+ {
+ char *endptr;
+
errno = 0;
- timeout = strtol (value, &endptr, 0);
+ endptr = NULL;
+ timeout = strtol (opt_value, &endptr, 0);
- if ((endptr == value) || (0 != errno))
- status = -1;
- else if (0 >= timeout)
+ if ((endptr == opt_value) || (errno != 0))
+ {
+ print_to_socket (fh, "-1 Invalid value for option `timeout': "
+ "%s\n", opt_value);
+ sfree (plugins);
+ sfree (identifiers);
+ return (-1);
+ }
+ else if (timeout <= 0)
timeout = -1;
}
else
- status = -1;
-
- if (status != 0)
{
- fprintf (fh, "-1 Cannot parse option %s\n", option);
- fflush (fh);
+ 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, timeout, identifier);
+ if (status == 0)
+ success++;
+ else
+ error++;
+ }
}
if ((success + error) > 0)
{
- fprintf (fh, "0 Done: %i successful, %i errors\n", success, error);
+ print_to_socket (fh, "0 Done: %i successful, %i errors\n",
+ success, error);
}
else
{
- plugin_flush_all (timeout);
- fprintf (fh, "0 Done\n");
+ plugin_flush (NULL, timeout, NULL);
+ print_to_socket (fh, "0 Done\n");
}
- fflush (fh);
+ sfree (plugins);
+ sfree (identifiers);
return (0);
} /* int handle_flush */