2 * collectd - src/utils_cmd_listval.c
3 * Copyright (C) 2008 Florian octo Forster
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
21 * DEALINGS IN THE SOFTWARE.
24 * Florian octo Forster <octo at collectd.org>
32 #include "utils_cache.h"
33 #include "utils_cmd_listval.h"
34 #include "utils_parse_option.h"
36 cmd_status_t cmd_parse_listval(size_t argc, char **argv,
37 cmd_listval_t *ret_listval
38 __attribute__((unused)),
39 const cmd_options_t *opts
40 __attribute__((unused)),
41 cmd_error_handler_t *err) {
43 cmd_error(CMD_PARSE_ERROR, err, "Garbage after end of command: `%s'.",
45 return (CMD_PARSE_ERROR);
49 } /* cmd_status_t cmd_parse_listval */
51 #define free_everything_and_return(status) \
53 for (size_t j = 0; j < number; j++) { \
62 #define print_to_socket(fh, ...) \
64 if (fprintf(fh, __VA_ARGS__) < 0) { \
66 WARNING("handle_listval: failed to write to socket #%i: %s", fileno(fh), \
67 sstrerror(errno, errbuf, sizeof(errbuf))); \
68 free_everything_and_return(CMD_ERROR); \
73 cmd_status_t cmd_handle_listval(FILE *fh, char *buffer) {
74 cmd_error_handler_t err = {cmd_error_fh, fh};
79 cdtime_t *times = NULL;
82 DEBUG("utils_cmd_listval: handle_listval (fh = %p, buffer = %s);", (void *)fh,
85 if ((status = cmd_parse(buffer, &cmd, NULL, &err)) != CMD_OK)
87 if (cmd.type != CMD_LISTVAL) {
88 cmd_error(CMD_UNKNOWN_COMMAND, &err, "Unexpected command: `%s'.",
89 CMD_TO_STRING(cmd.type));
90 free_everything_and_return(CMD_UNKNOWN_COMMAND);
93 status = uc_get_names(&names, ×, &number);
95 DEBUG("command listval: uc_get_names failed with status %i", status);
96 cmd_error(CMD_ERROR, &err, "uc_get_names failed.");
97 free_everything_and_return(CMD_ERROR);
100 print_to_socket(fh, "%i Value%s found\n", (int)number,
101 (number == 1) ? "" : "s");
102 for (size_t i = 0; i < number; i++)
103 print_to_socket(fh, "%.3f %s\n", CDTIME_T_TO_DOUBLE(times[i]), names[i]);
105 free_everything_and_return(CMD_OK);
106 } /* cmd_status_t cmd_handle_listval */
108 void cmd_destroy_listval(cmd_listval_t *listval __attribute__((unused))) {
110 } /* void cmd_destroy_listval */