#include "collectd.h"
#include "common.h"
#include "plugin.h"
+#include "utils_parse_option.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; \
+ }
-struct flush_info_s
-{
- char **plugins;
- int plugins_num;
- int timeout;
-};
-typedef struct flush_info_s flush_info_t;
-
-static int parse_option_plugin (flush_info_t *fi, const char *option)
+static int add_to_array (char ***array, int *array_num, char *value)
{
char **temp;
- temp = (char **) realloc (fi->plugins,
- (fi->plugins_num + 1) * sizeof (char *));
+ temp = (char **) realloc (*array, sizeof (char *) * (*array_num + 1));
if (temp == NULL)
- {
- ERROR ("utils_cmd_flush: parse_option_plugin: realloc failed.");
return (-1);
- }
- fi->plugins = temp;
- fi->plugins[fi->plugins_num] = strdup (option + strlen ("plugin="));
- if (fi->plugins[fi->plugins_num] == NULL)
- {
- /* fi->plugins is freed in handle_flush in this case */
- ERROR ("utils_cmd_flush: parse_option_plugin: strdup failed.");
- return (-1);
- }
- fi->plugins_num++;
+ *array = temp;
+ (*array)[*array_num] = value;
+ (*array_num)++;
return (0);
-} /* int parse_option_plugin */
+} /* int add_to_array */
-static int parse_option_timeout (flush_info_t *fi, const char *option)
+int handle_flush (FILE *fh, char *buffer)
{
- const char *value_ptr = option + strlen ("timeout=");
- char *endptr = NULL;
- int timeout;
-
- timeout = strtol (value_ptr, &endptr, 0);
- if (value_ptr == endptr)
- return (-1);
+ int success = 0;
+ int error = 0;
- fi->timeout = (timeout <= 0) ? (-1) : timeout;
+ int timeout = -1;
+ char **plugins = NULL;
+ int plugins_num = 0;
+ char **identifiers = NULL;
+ int identifiers_num = 0;
- return (0);
-} /* int parse_option_timeout */
+ int i;
-static int parse_option (flush_info_t *fi, const char *option)
-{
- if (strncasecmp ("plugin=", option, strlen ("plugin=")) == 0)
- return (parse_option_plugin (fi, option));
- else if (strncasecmp ("timeout=", option, strlen ("timeout=")) == 0)
- return (parse_option_timeout (fi, option));
- else
+ if ((fh == NULL) || (buffer == NULL))
return (-1);
-} /* int parse_option */
-int handle_flush (FILE *fh, char **fields, int fields_num)
-{
- flush_info_t fi;
- int status;
- int i;
+ DEBUG ("utils_cmd_flush: handle_flush (fh = %p, buffer = %s);",
+ (void *) fh, buffer);
- memset (&fi, '\0', sizeof (fi));
- fi.timeout = -1;
+ if (strncasecmp ("FLUSH", buffer, strlen ("FLUSH")) != 0)
+ {
+ print_to_socket (fh, "-1 Cannot parse command.\n");
+ return (-1);
+ }
+ buffer += strlen ("FLUSH");
- for (i = 1; i < fields_num; i++)
+ while (*buffer != 0)
{
- status = parse_option (&fi, fields[i]);
+ 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)
{
- fprintf (fh, "-1 Cannot parse option %s\n", fields[i]);
- fflush (fh);
+ print_to_socket (fh, "-1 Parsing options failed.\n");
+ sfree (plugins);
+ sfree (identifiers);
return (-1);
}
- }
- if (fi.plugins_num > 0)
+ 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 = strtol (opt_value, &endptr, 0);
+
+ 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
+ {
+ 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++)
{
- int success = 0;
- for (i = 0; i < fi.plugins_num; i++)
+ char *plugin;
+ int j;
+
+ plugin = plugins[i];
+
+ for (j = 0; j < identifiers_num; j++)
{
- status = plugin_flush_one (fi.timeout, fi.plugins[i]);
+ char *identifier;
+ int status;
+
+ identifier = identifiers[j];
+ status = plugin_flush (plugin, timeout, identifier);
if (status == 0)
success++;
+ else
+ error++;
}
- fprintf (fh, "0 Done: %i successful, %i errors\n",
- success, fi.plugins_num - success);
}
- else
+
+ if ((success + error) > 0)
{
- plugin_flush_all (fi.timeout);
- fprintf (fh, "0 Done\n");
+ print_to_socket (fh, "0 Done: %i successful, %i errors\n",
+ success, error);
}
- fflush (fh);
-
- for (i = 0; i < fi.plugins_num; i++)
+ else
{
- sfree (fi.plugins[i]);
+ plugin_flush (NULL, timeout, NULL);
+ print_to_socket (fh, "0 Done\n");
}
- sfree (fi.plugins);
+ sfree (plugins);
+ sfree (identifiers);
return (0);
} /* int handle_flush */
projects / collectd.git / blobdiff