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 #define free_everything_and_return(status) \
38 for (size_t j = 0; j < number; j++) { \
47 #define print_to_socket(fh, ...) \
49 if (fprintf(fh, __VA_ARGS__) < 0) { \
51 WARNING("handle_listval: failed to write to socket #%i: %s", fileno(fh), \
52 sstrerror(errno, errbuf, sizeof(errbuf))); \
53 free_everything_and_return(-1); \
58 int handle_listval(FILE *fh, char *buffer) {
61 cdtime_t *times = NULL;
65 DEBUG("utils_cmd_listval: handle_listval (fh = %p, buffer = %s);", (void *)fh,
69 status = parse_string(&buffer, &command);
71 print_to_socket(fh, "-1 Cannot parse command.\n");
72 free_everything_and_return(-1);
74 assert(command != NULL);
76 if (strcasecmp("LISTVAL", command) != 0) {
77 print_to_socket(fh, "-1 Unexpected command: `%s'.\n", command);
78 free_everything_and_return(-1);
82 print_to_socket(fh, "-1 Garbage after end of command: %s\n", buffer);
83 free_everything_and_return(-1);
86 status = uc_get_names(&names, ×, &number);
88 DEBUG("command listval: uc_get_names failed with status %i", status);
89 print_to_socket(fh, "-1 uc_get_names failed.\n");
90 free_everything_and_return(-1);
93 print_to_socket(fh, "%i Value%s found\n", (int)number,
94 (number == 1) ? "" : "s");
95 for (size_t i = 0; i < number; i++)
96 print_to_socket(fh, "%.3f %s\n", CDTIME_T_TO_DOUBLE(times[i]), names[i]);
98 free_everything_and_return(0);
99 } /* int handle_listval */
101 /* vim: set sw=2 sts=2 ts=8 : */