2 * collectd - src/utils_cmd_getthreshold.c
3 * Copyright (C) 2008,2009 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_avltree.h"
33 #include "utils_cmd_getthreshold.h"
34 #include "utils_parse_option.h" /* for `parse_string' */
35 #include "utils_threshold.h"
37 #define print_to_socket(fh, ...) \
38 if (fprintf(fh, __VA_ARGS__) < 0) { \
40 WARNING("handle_getthreshold: failed to write to socket #%i: %s", \
41 fileno(fh), sstrerror(errno, errbuf, sizeof(errbuf))); \
45 int handle_getthreshold(FILE *fh, char *buffer) {
48 char *identifier_copy;
52 char *plugin_instance;
56 threshold_t threshold;
61 if ((fh == NULL) || (buffer == NULL))
64 DEBUG("utils_cmd_getthreshold: handle_getthreshold (fh = %p, buffer = %s);",
68 status = parse_string(&buffer, &command);
70 print_to_socket(fh, "-1 Cannot parse command.\n");
73 assert(command != NULL);
75 if (strcasecmp("GETTHRESHOLD", command) != 0) {
76 print_to_socket(fh, "-1 Unexpected command: `%s'.\n", command);
81 status = parse_string(&buffer, &identifier);
83 print_to_socket(fh, "-1 Cannot parse identifier.\n");
86 assert(identifier != NULL);
89 print_to_socket(fh, "-1 Garbage after end of command: %s\n", buffer);
93 /* parse_identifier() modifies its first argument,
94 * returning pointers into it */
95 identifier_copy = sstrdup(identifier);
97 status = parse_identifier(identifier_copy, &host, &plugin, &plugin_instance,
98 &type, &type_instance);
100 DEBUG("handle_getthreshold: Cannot parse identifier `%s'.", identifier);
101 print_to_socket(fh, "-1 Cannot parse identifier `%s'.\n", identifier);
102 sfree(identifier_copy);
106 value_list_t vl = {.values = NULL};
107 sstrncpy(vl.host, host, sizeof(vl.host));
108 sstrncpy(vl.plugin, plugin, sizeof(vl.plugin));
109 if (plugin_instance != NULL)
110 sstrncpy(vl.plugin_instance, plugin_instance, sizeof(vl.plugin_instance));
111 sstrncpy(vl.type, type, sizeof(vl.type));
112 if (type_instance != NULL)
113 sstrncpy(vl.type_instance, type_instance, sizeof(vl.type_instance));
114 sfree(identifier_copy);
116 status = ut_search_threshold(&vl, &threshold);
117 if (status == ENOENT) {
118 print_to_socket(fh, "-1 No threshold found for identifier %s\n",
121 } else if (status != 0) {
122 print_to_socket(fh, "-1 Error while looking up threshold: %i\n", status);
126 /* Lets count the number of lines we'll return. */
128 if (threshold.host[0] != 0)
130 if (threshold.plugin[0] != 0)
132 if (threshold.plugin_instance[0] != 0)
134 if (threshold.type[0] != 0)
136 if (threshold.type_instance[0] != 0)
138 if (threshold.data_source[0] != 0)
140 if (!isnan(threshold.warning_min))
142 if (!isnan(threshold.warning_max))
144 if (!isnan(threshold.failure_min))
146 if (!isnan(threshold.failure_max))
148 if (threshold.hysteresis > 0.0)
150 if (threshold.hits > 1)
153 /* Print the response */
154 print_to_socket(fh, "%zu Threshold found\n", i);
156 if (threshold.host[0] != 0)
157 print_to_socket(fh, "Host: %s\n", threshold.host) if (
158 threshold.plugin[0] !=
159 0) print_to_socket(fh, "Plugin: %s\n",
160 threshold.plugin) if (threshold.plugin_instance[0] !=
162 print_to_socket(fh, "Plugin Instance: %s\n",
163 threshold.plugin_instance) if (threshold.type[0] != 0)
164 print_to_socket(fh, "Type: %s\n", threshold.type) if (
165 threshold.type_instance[0] !=
166 0) print_to_socket(fh, "Type Instance: %s\n",
168 .type_instance) if (threshold.data_source
171 fh, "Data Source: %s\n",
172 threshold.data_source) if (!isnan(threshold.warning_min))
174 fh, "Warning Min: %g\n",
176 .warning_min) if (!isnan(threshold.warning_max))
178 fh, "Warning Max: %g\n",
180 .warning_max) if (!isnan(threshold.failure_min))
182 fh, "Failure Min: %g\n",
184 .failure_min) if (!isnan(threshold
187 fh, "Failure Max: %g\n",
188 threshold.failure_max) if (threshold
192 fh, "Hysteresis: %g\n",
193 threshold.hysteresis) if (threshold
195 print_to_socket(fh, "Hits: %i\n",
199 } /* int handle_getthreshold */
201 /* vim: set sw=2 sts=2 ts=8 et : */