Merge branch 'collectd-4.4'

[collectd.git] / src / utils_cmd_flush.c

diff --git a/src/utils_cmd_flush.c b/src/utils_cmd_flush.c
index e7737a0..7feaac2 100644 (file)
--- a/src/utils_cmd_flush.c
+++ b/src/utils_cmd_flush.c
@@ -1,6 +1,7 @@
 /**
  * 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
@@ -15,36 +16,133 @@
  * 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 */