66b485681b223c97c7fda9cc595a16d9616e0494
1 /**
2 * collectd - src/collectd.h
3 * Copyright (C) 2005,2006 Florian octo Forster
4 *
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:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
14 *
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.
22 *
23 * Authors:
24 * Florian octo Forster <octo at collectd.org>
25 **/
27 #ifndef COLLECTD_H
28 #define COLLECTD_H
30 #if HAVE_CONFIG_H
31 # include "config.h"
32 #endif
34 #include <stdio.h>
35 #if HAVE_SYS_TYPES_H
36 # include <sys/types.h>
37 #endif
38 #if HAVE_SYS_STAT_H
39 # include <sys/stat.h>
40 #endif
41 #if STDC_HEADERS
42 # include <stdlib.h>
43 # include <stddef.h>
44 #else
45 # if HAVE_STDLIB_H
46 # include <stdlib.h>
47 # endif
48 #endif
49 #if HAVE_STRING_H
50 # if !STDC_HEADERS && HAVE_MEMORY_H
51 # include <memory.h>
52 # endif
53 # include <string.h>
54 #endif
55 #if HAVE_STRINGS_H
56 # include <strings.h>
57 #endif
58 #if HAVE_INTTYPES_H
59 # include <inttypes.h>
60 #endif
61 #if HAVE_STDINT_H
62 # include <stdint.h>
63 #endif
64 #if HAVE_UNISTD_H
65 # include <unistd.h>
66 #endif
67 #if HAVE_SYS_WAIT_H
68 # include <sys/wait.h>
69 #endif
70 #ifndef WEXITSTATUS
71 # define WEXITSTATUS(stat_val) ((unsigned int) (stat_val) >> 8)
72 #endif
73 #ifndef WIFEXITED
74 # define WIFEXITED(stat_val) (((stat_val) & 255) == 0)
75 #endif
76 #if HAVE_SIGNAL_H
77 # include <signal.h>
78 #endif
79 #if HAVE_FCNTL_H
80 # include <fcntl.h>
81 #endif
82 #if HAVE_ERRNO_H
83 # include <errno.h>
84 #endif
85 #if HAVE_LIMITS_H
86 # include <limits.h>
87 #endif
88 #if TIME_WITH_SYS_TIME
89 # include <sys/time.h>
90 # include <time.h>
91 #else
92 # if HAVE_SYS_TIME_H
93 # include <sys/time.h>
94 # else
95 # include <time.h>
96 # endif
97 #endif
98 #if HAVE_SYS_SOCKET_H
99 # include <sys/socket.h>
100 #endif
102 #if HAVE_ASSERT_H
103 # include <assert.h>
104 #else
105 # define assert(...) /* nop */
106 #endif
108 #if !defined(HAVE__BOOL) || !HAVE__BOOL
109 typedef int _Bool;
110 # undef HAVE__BOOL
111 # define HAVE__BOOL 1
112 #endif
114 #if NAN_STATIC_DEFAULT
115 # include <math.h>
116 /* #endif NAN_STATIC_DEFAULT*/
117 #elif NAN_STATIC_ISOC
118 # ifndef __USE_ISOC99
119 # define DISABLE_ISOC99 1
120 # define __USE_ISOC99 1
121 # endif /* !defined(__USE_ISOC99) */
122 # include <math.h>
123 # if DISABLE_ISOC99
124 # undef DISABLE_ISOC99
125 # undef __USE_ISOC99
126 # endif /* DISABLE_ISOC99 */
127 /* #endif NAN_STATIC_ISOC */
128 #elif NAN_ZERO_ZERO
129 # include <math.h>
130 # ifdef NAN
131 # undef NAN
132 # endif
133 # define NAN (0.0 / 0.0)
134 # ifndef isnan
135 # define isnan(f) ((f) != (f))
136 # endif /* !defined(isnan) */
137 # ifndef isfinite
138 # define isfinite(f) (((f) - (f)) == 0.0)
139 # endif
140 # ifndef isinf
141 # define isinf(f) (!isfinite(f) && !isnan(f))
142 # endif
143 #endif /* NAN_ZERO_ZERO */
145 /* Try really, really hard to determine endianess. Under NexentaStor 1.0.2 this
146 * information is in <sys/isa_defs.h>, possibly some other Solaris versions do
147 * this too.. */
148 #if HAVE_ENDIAN_H
149 # include <endian.h>
150 #elif HAVE_SYS_ISA_DEFS_H
151 # include <sys/isa_defs.h>
152 #endif
154 #ifndef BYTE_ORDER
155 # if defined(_BYTE_ORDER)
156 # define BYTE_ORDER _BYTE_ORDER
157 # elif defined(__BYTE_ORDER)
158 # define BYTE_ORDER __BYTE_ORDER
159 # elif defined(__DARWIN_BYTE_ORDER)
160 # define BYTE_ORDER __DARWIN_BYTE_ORDER
161 # endif
162 #endif
163 #ifndef BIG_ENDIAN
164 # if defined(_BIG_ENDIAN)
165 # define BIG_ENDIAN _BIG_ENDIAN
166 # elif defined(__BIG_ENDIAN)
167 # define BIG_ENDIAN __BIG_ENDIAN
168 # elif defined(__DARWIN_BIG_ENDIAN)
169 # define BIG_ENDIAN __DARWIN_BIG_ENDIAN
170 # endif
171 #endif
172 #ifndef LITTLE_ENDIAN
173 # if defined(_LITTLE_ENDIAN)
174 # define LITTLE_ENDIAN _LITTLE_ENDIAN
175 # elif defined(__LITTLE_ENDIAN)
176 # define LITTLE_ENDIAN __LITTLE_ENDIAN
177 # elif defined(__DARWIN_LITTLE_ENDIAN)
178 # define LITTLE_ENDIAN __DARWIN_LITTLE_ENDIAN
179 # endif
180 #endif
181 #ifndef BYTE_ORDER
182 # if defined(BIG_ENDIAN) && !defined(LITTLE_ENDIAN)
183 # undef BIG_ENDIAN
184 # define BIG_ENDIAN 4321
185 # define LITTLE_ENDIAN 1234
186 # define BYTE_ORDER BIG_ENDIAN
187 # elif !defined(BIG_ENDIAN) && defined(LITTLE_ENDIAN)
188 # undef LITTLE_ENDIAN
189 # define BIG_ENDIAN 4321
190 # define LITTLE_ENDIAN 1234
191 # define BYTE_ORDER LITTLE_ENDIAN
192 # endif
193 #endif
194 #if !defined(BYTE_ORDER) || !defined(BIG_ENDIAN)
195 # error "Cannot determine byte order"
196 #endif
198 #if HAVE_DIRENT_H
199 # include <dirent.h>
200 # define NAMLEN(dirent) strlen((dirent)->d_name)
201 #else
202 # define dirent direct
203 # define NAMLEN(dirent) (dirent)->d_namlen
204 # if HAVE_SYS_NDIR_H
205 # include <sys/ndir.h>
206 # endif
207 # if HAVE_SYS_DIR_H
208 # include <sys/dir.h>
209 # endif
210 # if HAVE_NDIR_H
211 # include <ndir.h>
212 # endif
213 #endif
215 #if HAVE_STDARG_H
216 # include <stdarg.h>
217 #endif
218 #if HAVE_CTYPE_H
219 # include <ctype.h>
220 #endif
221 #if HAVE_SYS_PARAM_H
222 # include <sys/param.h>
223 #endif
225 #if HAVE_KSTAT_H
226 # include <kstat.h>
227 #endif
229 #ifndef PACKAGE_NAME
230 #define PACKAGE_NAME "collectd"
231 #endif
233 #ifndef PREFIX
234 #define PREFIX "/opt/" PACKAGE_NAME
235 #endif
237 #ifndef SYSCONFDIR
238 #define SYSCONFDIR PREFIX "/etc"
239 #endif
241 #ifndef CONFIGFILE
242 #define CONFIGFILE SYSCONFDIR"/collectd.conf"
243 #endif
245 #ifndef LOCALSTATEDIR
246 #define LOCALSTATEDIR PREFIX "/var"
247 #endif
249 #ifndef PKGLOCALSTATEDIR
250 #define PKGLOCALSTATEDIR PREFIX "/var/lib/" PACKAGE_NAME
251 #endif
253 #ifndef PIDFILE
254 #define PIDFILE PREFIX "/var/run/" PACKAGE_NAME ".pid"
255 #endif
257 #ifndef PLUGINDIR
258 #define PLUGINDIR PREFIX "/lib/" PACKAGE_NAME
259 #endif
261 #ifndef PKGDATADIR
262 #define PKGDATADIR PREFIX "/share/" PACKAGE_NAME
263 #endif
265 #ifndef COLLECTD_GRP_NAME
266 # define COLLECTD_GRP_NAME "collectd"
267 #endif
269 #ifndef COLLECTD_DEFAULT_INTERVAL
270 # define COLLECTD_DEFAULT_INTERVAL 10.0
271 #endif
273 #ifndef COLLECTD_USERAGENT
274 # define COLLECTD_USERAGENT PACKAGE_NAME"/"PACKAGE_VERSION
275 #endif
277 /* Only enable __attribute__() for compilers known to support it. */
278 #if defined(__clang__)
279 # define clang_attr(x) __attribute__(x)
280 # define gcc_attr(x) /**/
281 #elif __GNUC__
282 # define clang_attr(x) /**/
283 # define gcc_attr(x) __attribute__(x)
284 #else
285 # define clang_attr(x) /**/
286 # define gcc_attr(x) /**/
287 # define __attribute__(x) /**/
288 #endif
290 #if defined(COLLECT_DEBUG) && COLLECT_DEBUG && defined(__GNUC__) && __GNUC__
291 # undef strcpy
292 # undef strcat
293 # undef strtok
294 # pragma GCC poison strcpy strcat strtok
295 #endif
297 /*
298 * Special hack for the perl plugin: Because the later included perl.h defines
299 * a macro which is never used, but contains `sprintf', we cannot poison that
300 * identifies just yet. The parl plugin will do that itself once perl.h is
301 * included.
302 */
303 #ifndef DONT_POISON_SPRINTF_YET
304 # if defined(COLLECT_DEBUG) && COLLECT_DEBUG && defined(__GNUC__) && __GNUC__
305 # undef sprintf
306 # pragma GCC poison sprintf
307 # endif
308 #endif
310 #ifndef GAUGE_FORMAT
311 # define GAUGE_FORMAT "%.15g"
312 #endif
314 /* Type for time as used by "utils_time.h" */
315 typedef uint64_t cdtime_t;
317 extern char hostname_g[];
318 extern cdtime_t interval_g;
319 extern int pidfile_from_cli;
320 extern int timeout_g;
322 #endif /* COLLECTD_H */