/**
- * 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_cmd_listval.h"
#include "utils_parse_option.h"
-#define free_everything_and_return(status) do { \
- size_t j; \
- for (j = 0; j < number; j++) { \
- sfree(names[j]); \
- names[j] = NULL; \
- } \
- sfree(names); \
- sfree(times); \
- return (status); \
+cmd_status_t cmd_parse_listval(size_t argc, char **argv,
+ cmd_listval_t *ret_listval
+ __attribute__((unused)),
+ const cmd_options_t *opts
+ __attribute__((unused)),
+ cmd_error_handler_t *err) {
+ if (argc != 0) {
+ cmd_error(CMD_PARSE_ERROR, err, "Garbage after end of command: `%s'.",
+ argv[0]);
+ return (CMD_PARSE_ERROR);
+ }
+
+ return (CMD_OK);
+} /* cmd_status_t cmd_parse_listval */
+
+#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); \
+#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(CMD_ERROR); \
+ } \
+ fflush(fh); \
} while (0)
-int handle_listval (FILE *fh, char *buffer)
-{
- char *command;
+cmd_status_t cmd_handle_listval(FILE *fh, char *buffer) {
+ cmd_error_handler_t err = {cmd_error_fh, fh};
+ cmd_status_t status;
+ cmd_t cmd;
+
char **names = NULL;
cdtime_t *times = NULL;
size_t number = 0;
- size_t i;
- int status;
-
- 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);
- }
+ DEBUG("utils_cmd_listval: handle_listval (fh = %p, buffer = %s);", (void *)fh,
+ buffer);
- if (*buffer != 0)
- {
- print_to_socket (fh, "-1 Garbage after end of command: %s\n", buffer);
- free_everything_and_return (-1);
+ if ((status = cmd_parse(buffer, &cmd, NULL, &err)) != CMD_OK)
+ return (status);
+ if (cmd.type != CMD_LISTVAL) {
+ cmd_error(CMD_UNKNOWN_COMMAND, &err, "Unexpected command: `%s'.",
+ CMD_TO_STRING(cmd.type));
+ free_everything_and_return(CMD_UNKNOWN_COMMAND);
}
- status = uc_get_names (&names, ×, &number);
- if (status != 0)
- {
- DEBUG ("command listval: uc_get_names failed with status %i", status);
- print_to_socket (fh, "-1 uc_get_names failed.\n");
- 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);
+ cmd_error(CMD_ERROR, &err, "uc_get_names failed.");
+ free_everything_and_return(CMD_ERROR);
}
- print_to_socket (fh, "%i Value%s found\n",
- (int) number, (number == 1) ? "" : "s");
- for (i = 0; i < number; i++)
- print_to_socket (fh, "%.3f %s\n", CDTIME_T_TO_DOUBLE (times[i]),
- names[i]);
+ 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]);
+
+ free_everything_and_return(CMD_OK);
+} /* cmd_status_t cmd_handle_listval */
- free_everything_and_return (0);
-} /* int handle_listval */
+void cmd_destroy_listval(cmd_listval_t *listval __attribute__((unused))) {
+ /* nothing to do */
+} /* void cmd_destroy_listval */
/* vim: set sw=2 sts=2 ts=8 : */