2 * collectd - src/match_timediff.c
3 * Copyright (C) 2008,2009 Florian Forster
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6 * copy of this software and associated documentation files (the "Software"),
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10 * Software is furnished to do so, subject to the following conditions:
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21 * DEALINGS IN THE SOFTWARE.
24 * Florian Forster <octo at collectd.org>
29 #include "utils_cache.h"
30 #include "filter_chain.h"
39 typedef struct mt_match_s mt_match_t;
47 * internal helper functions
49 static int mt_create (const oconfig_item_t *ci, void **user_data) /* {{{ */
55 m = (mt_match_t *) malloc (sizeof (*m));
58 ERROR ("mt_create: malloc failed.");
61 memset (m, 0, sizeof (*m));
67 for (i = 0; i < ci->children_num; i++)
69 oconfig_item_t *child = ci->children + i;
71 if (strcasecmp ("Future", child->key) == 0)
72 status = cf_util_get_cdtime (child, &m->future);
73 else if (strcasecmp ("Past", child->key) == 0)
74 status = cf_util_get_cdtime (child, &m->past);
77 ERROR ("timediff match: The `%s' configuration option is not "
78 "understood and will be ignored.", child->key);
86 /* Additional sanity-checking */
89 if ((m->future == 0) && (m->past == 0))
91 ERROR ("timediff match: Either `Future' or `Past' must be configured. "
92 "This match will be ignored.");
107 } /* }}} int mt_create */
109 static int mt_destroy (void **user_data) /* {{{ */
111 if (user_data != NULL)
117 } /* }}} int mt_destroy */
119 static int mt_match (const data_set_t __attribute__((unused)) *ds, /* {{{ */
120 const value_list_t *vl,
121 notification_meta_t __attribute__((unused)) **meta, void **user_data)
126 if ((user_data == NULL) || (*user_data == NULL))
134 if (vl->time >= (now + m->future))
135 return (FC_MATCH_MATCHES);
140 if (vl->time <= (now - m->past))
141 return (FC_MATCH_MATCHES);
144 return (FC_MATCH_NO_MATCH);
145 } /* }}} int mt_match */
147 void module_register (void)
151 memset (&mproc, 0, sizeof (mproc));
152 mproc.create = mt_create;
153 mproc.destroy = mt_destroy;
154 mproc.match = mt_match;
155 fc_register_match ("timediff", mproc);
156 } /* module_register */
158 /* vim: set sw=2 sts=2 tw=78 et fdm=marker : */