/**
- * collectd - src/utils_cms_listval.c
- * Copyright (C) 2008 Florian octo Forster
+ * collectd - src/utils_cmd_listval.c
+ * Copyright (C) 2008 Florian octo 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
- * Free Software Foundation; only version 2 of the License is applicable.
+ * 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:
*
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
*
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ * 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.
*
- * Author:
- * Florian octo Forster <octo at verplant.org>
+ * Authors:
+ * Florian octo Forster <octo at collectd.org>
**/
#include "collectd.h"
+
#include "common.h"
#include "plugin.h"
#include "utils_cmd_listval.h"
#include "utils_cache.h"
+#include "utils_parse_option.h"
+
+#define free_everything_and_return(status) do { \
+ for (size_t j = 0; j < number; j++) { \
+ sfree(names[j]); \
+ names[j] = NULL; \
+ } \
+ sfree(names); \
+ sfree(times); \
+ return (status); \
+ } while (0)
+
+#define print_to_socket(fh, ...) \
+ do { \
+ if (fprintf (fh, __VA_ARGS__) < 0) { \
+ char errbuf[1024]; \
+ WARNING ("handle_listval: failed to write to socket #%i: %s", \
+ fileno (fh), sstrerror (errno, errbuf, sizeof (errbuf))); \
+ free_everything_and_return (-1); \
+ } \
+ fflush(fh); \
+ } while (0)
-int handle_listval (FILE *fh, char **fields, int fields_num)
+int handle_listval (FILE *fh, char *buffer)
{
+ char *command;
char **names = NULL;
- time_t *times = NULL;
+ cdtime_t *times = NULL;
size_t number = 0;
- size_t i;
int status;
- if (fields_num != 1)
+ DEBUG ("utils_cmd_listval: handle_listval (fh = %p, buffer = %s);",
+ (void *) fh, buffer);
+
+ command = NULL;
+ status = parse_string (&buffer, &command);
+ if (status != 0)
+ {
+ print_to_socket (fh, "-1 Cannot parse command.\n");
+ free_everything_and_return (-1);
+ }
+ assert (command != NULL);
+
+ if (strcasecmp ("LISTVAL", command) != 0)
+ {
+ print_to_socket (fh, "-1 Unexpected command: `%s'.\n", command);
+ free_everything_and_return (-1);
+ }
+
+ if (*buffer != 0)
{
- DEBUG ("command listval: us_handle_listval: Wrong number of fields: %i",
- fields_num);
- fprintf (fh, "-1 Wrong number of fields: Got %i, expected 1.\n",
- fields_num);
- fflush (fh);
- return (-1);
+ print_to_socket (fh, "-1 Garbage after end of command: %s\n", buffer);
+ free_everything_and_return (-1);
}
status = uc_get_names (&names, ×, &number);
if (status != 0)
{
DEBUG ("command listval: uc_get_names failed with status %i", status);
- fprintf (fh, "-1 uc_get_names failed.\n");
- fflush (fh);
- return (-1);
+ print_to_socket (fh, "-1 uc_get_names failed.\n");
+ free_everything_and_return (-1);
}
- fprintf (fh, "%i Values found\n", (int) number);
- for (i = 0; i < number; i++)
- fprintf (fh, "%u %s\n", (unsigned int) times[i], names[i]);
- fflush (fh);
+ print_to_socket (fh, "%i Value%s found\n",
+ (int) number, (number == 1) ? "" : "s");
+ for (size_t i = 0; i < number; i++)
+ print_to_socket (fh, "%.3f %s\n", CDTIME_T_TO_DOUBLE (times[i]),
+ names[i]);
- return (0);
+ free_everything_and_return (0);
} /* int handle_listval */
/* vim: set sw=2 sts=2 ts=8 : */