1 /**
2 * collectd - src/utils_complain.c
3 * Copyright (C) 2006-2013 Florian octo Forster
4 * Copyright (C) 2008 Sebastian tokkee Harl
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
21 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
22 * DEALINGS IN THE SOFTWARE.
23 *
24 * Authors:
25 * Florian octo Forster <octo at collectd.org>
26 * Sebastian tokkee Harl <sh at tokkee.org>
27 **/
29 #include "collectd.h"
31 #include "utils_complain.h"
32 #include "plugin.h"
34 /* vcomplain returns 0 if it did not report, 1 else */
35 __attribute__ ((format (printf, 3, 0)))
36 static int vcomplain (int level, c_complain_t *c,
37 const char *format, va_list ap)
38 {
39 cdtime_t now;
40 char message[512];
42 now = cdtime ();
44 if (c->last + c->interval > now)
45 return 0;
47 c->last = now;
49 if (c->interval < plugin_get_interval ())
50 c->interval = plugin_get_interval ();
51 else
52 c->interval *= 2;
54 if (c->interval > TIME_T_TO_CDTIME_T (86400))
55 c->interval = TIME_T_TO_CDTIME_T (86400);
57 vsnprintf (message, sizeof (message), format, ap);
58 message[sizeof (message) - 1] = '\0';
60 plugin_log (level, "%s", message);
61 return 1;
62 } /* vcomplain */
64 void c_complain (int level, c_complain_t *c, const char *format, ...)
65 {
66 va_list ap;
68 va_start (ap, format);
69 if (vcomplain (level, c, format, ap))
70 c->complained_once = 1;
71 va_end (ap);
72 } /* c_complain */
74 void c_complain_once (int level, c_complain_t *c, const char *format, ...)
75 {
76 va_list ap;
78 if (c->complained_once)
79 return;
81 va_start (ap, format);
82 if (vcomplain (level, c, format, ap))
83 c->complained_once = 1;
84 va_end (ap);
85 } /* c_complain_once */
87 void c_do_release (int level, c_complain_t *c, const char *format, ...)
88 {
89 char message[512];
90 va_list ap;
92 if (c->interval == 0)
93 return;
95 c->interval = 0;
96 c->complained_once = 0;
98 va_start (ap, format);
99 vsnprintf (message, sizeof (message), format, ap);
100 message[sizeof (message) - 1] = '\0';
101 va_end (ap);
103 plugin_log (level, "%s", message);
104 } /* c_release */
106 /* vim: set sw=4 ts=4 tw=78 noexpandtab : */