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_threshold.h"
34 #include "utils_parse_option.h" /* for `parse_string' */
35 #include "utils_cmd_getthreshold.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)
49 char *identifier_copy;
53 char *plugin_instance;
57 threshold_t threshold;
62 if ((fh == NULL) || (buffer == NULL))
65 DEBUG ("utils_cmd_getthreshold: handle_getthreshold (fh = %p, buffer = %s);",
69 status = parse_string (&buffer, &command);
72 print_to_socket (fh, "-1 Cannot parse command.\n");
75 assert (command != NULL);
77 if (strcasecmp ("GETTHRESHOLD", command) != 0)
79 print_to_socket (fh, "-1 Unexpected command: `%s'.\n", command);
84 status = parse_string (&buffer, &identifier);
87 print_to_socket (fh, "-1 Cannot parse identifier.\n");
90 assert (identifier != NULL);
94 print_to_socket (fh, "-1 Garbage after end of command: %s\n", buffer);
98 /* parse_identifier() modifies its first argument,
99 * returning pointers into it */
100 identifier_copy = sstrdup (identifier);
102 status = parse_identifier (identifier_copy, &host,
103 &plugin, &plugin_instance,
104 &type, &type_instance);
107 DEBUG ("handle_getthreshold: Cannot parse identifier `%s'.", identifier);
108 print_to_socket (fh, "-1 Cannot parse identifier `%s'.\n", identifier);
109 sfree (identifier_copy);
116 sstrncpy (vl.host, host, sizeof (vl.host));
117 sstrncpy (vl.plugin, plugin, sizeof (vl.plugin));
118 if (plugin_instance != NULL)
119 sstrncpy (vl.plugin_instance, plugin_instance, sizeof (vl.plugin_instance));
120 sstrncpy (vl.type, type, sizeof (vl.type));
121 if (type_instance != NULL)
122 sstrncpy (vl.type_instance, type_instance, sizeof (vl.type_instance));
123 sfree (identifier_copy);
125 status = ut_search_threshold (&vl, &threshold);
126 if (status == ENOENT)
128 print_to_socket (fh, "-1 No threshold found for identifier %s\n",
132 else if (status != 0)
134 print_to_socket (fh, "-1 Error while looking up threshold: %i\n",
139 /* Lets count the number of lines we'll return. */
141 if (threshold.host[0] != 0) i++;
142 if (threshold.plugin[0] != 0) i++;
143 if (threshold.plugin_instance[0] != 0) i++;
144 if (threshold.type[0] != 0) i++;
145 if (threshold.type_instance[0] != 0) i++;
146 if (threshold.data_source[0] != 0) i++;
147 if (!isnan (threshold.warning_min)) i++;
148 if (!isnan (threshold.warning_max)) i++;
149 if (!isnan (threshold.failure_min)) i++;
150 if (!isnan (threshold.failure_max)) i++;
151 if (threshold.hysteresis > 0.0) i++;
152 if (threshold.hits > 1) i++;
154 /* Print the response */
155 print_to_socket (fh, "%zu Threshold found\n", i);
157 if (threshold.host[0] != 0)
158 print_to_socket (fh, "Host: %s\n", threshold.host)
159 if (threshold.plugin[0] != 0)
160 print_to_socket (fh, "Plugin: %s\n", threshold.plugin)
161 if (threshold.plugin_instance[0] != 0)
162 print_to_socket (fh, "Plugin Instance: %s\n", threshold.plugin_instance)
163 if (threshold.type[0] != 0)
164 print_to_socket (fh, "Type: %s\n", threshold.type)
165 if (threshold.type_instance[0] != 0)
166 print_to_socket (fh, "Type Instance: %s\n", threshold.type_instance)
167 if (threshold.data_source[0] != 0)
168 print_to_socket (fh, "Data Source: %s\n", threshold.data_source)
169 if (!isnan (threshold.warning_min))
170 print_to_socket (fh, "Warning Min: %g\n", threshold.warning_min)
171 if (!isnan (threshold.warning_max))
172 print_to_socket (fh, "Warning Max: %g\n", threshold.warning_max)
173 if (!isnan (threshold.failure_min))
174 print_to_socket (fh, "Failure Min: %g\n", threshold.failure_min)
175 if (!isnan (threshold.failure_max))
176 print_to_socket (fh, "Failure Max: %g\n", threshold.failure_max)
177 if (threshold.hysteresis > 0.0)
178 print_to_socket (fh, "Hysteresis: %g\n", threshold.hysteresis)
179 if (threshold.hits > 1)
180 print_to_socket (fh, "Hits: %i\n", threshold.hits)
183 } /* int handle_getthreshold */
185 /* vim: set sw=2 sts=2 ts=8 et : */