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 static int vcomplain (int level, c_complain_t *c,
36 const char *format, va_list ap)
37 {
38 cdtime_t now;
39 char message[512];
41 now = cdtime ();
43 if (c->last + c->interval > now)
44 return 0;
46 c->last = now;
48 if (c->interval < plugin_get_interval ())
49 c->interval = plugin_get_interval ();
50 else
51 c->interval *= 2;
53 if (c->interval > TIME_T_TO_CDTIME_T (86400))
54 c->interval = TIME_T_TO_CDTIME_T (86400);
56 vsnprintf (message, sizeof (message), format, ap);
57 message[sizeof (message) - 1] = '\0';
59 plugin_log (level, "%s", message);
60 return 1;
61 } /* vcomplain */
63 void c_complain (int level, c_complain_t *c, const char *format, ...)
64 {
65 va_list ap;
67 va_start (ap, format);
68 if (vcomplain (level, c, format, ap))
69 c->complained_once = 1;
70 va_end (ap);
71 } /* c_complain */
73 void c_complain_once (int level, c_complain_t *c, const char *format, ...)
74 {
75 va_list ap;
77 if (c->complained_once)
78 return;
80 va_start (ap, format);
81 if (vcomplain (level, c, format, ap))
82 c->complained_once = 1;
83 va_end (ap);
84 } /* c_complain_once */
86 void c_do_release (int level, c_complain_t *c, const char *format, ...)
87 {
88 char message[512];
89 va_list ap;
91 if (c->interval == 0)
92 return;
94 c->interval = 0;
95 c->complained_once = 0;
97 va_start (ap, format);
98 vsnprintf (message, sizeof (message), format, ap);
99 message[sizeof (message) - 1] = '\0';
100 va_end (ap);
102 plugin_log (level, "%s", message);
103 } /* c_release */
105 /* vim: set sw=4 ts=4 tw=78 noexpandtab : */