2 * collectd - src/match_timediff.c
3 * Copyright (C) 2008,2009 Florian Forster
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21 * DEALINGS IN THE SOFTWARE.
24 * Florian Forster <octo at collectd.org>
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) /* {{{ */
54 m = calloc (1, sizeof (*m));
57 ERROR ("mt_create: calloc failed.");
65 for (int i = 0; i < ci->children_num; i++)
67 oconfig_item_t *child = ci->children + i;
69 if (strcasecmp ("Future", child->key) == 0)
70 status = cf_util_get_cdtime (child, &m->future);
71 else if (strcasecmp ("Past", child->key) == 0)
72 status = cf_util_get_cdtime (child, &m->past);
75 ERROR ("timediff match: The `%s' configuration option is not "
76 "understood and will be ignored.", child->key);
84 /* Additional sanity-checking */
87 if ((m->future == 0) && (m->past == 0))
89 ERROR ("timediff match: Either `Future' or `Past' must be configured. "
90 "This match will be ignored.");
105 } /* }}} int mt_create */
107 static int mt_destroy (void **user_data) /* {{{ */
109 if (user_data != NULL)
115 } /* }}} int mt_destroy */
117 static int mt_match (const data_set_t __attribute__((unused)) *ds, /* {{{ */
118 const value_list_t *vl,
119 notification_meta_t __attribute__((unused)) **meta, void **user_data)
124 if ((user_data == NULL) || (*user_data == NULL))
132 if (vl->time >= (now + m->future))
133 return (FC_MATCH_MATCHES);
138 if (vl->time <= (now - m->past))
139 return (FC_MATCH_MATCHES);
142 return (FC_MATCH_NO_MATCH);
143 } /* }}} int mt_match */
145 void module_register (void)
147 match_proc_t mproc = { 0 };
149 mproc.create = mt_create;
150 mproc.destroy = mt_destroy;
151 mproc.match = mt_match;
152 fc_register_match ("timediff", mproc);
153 } /* module_register */
155 /* vim: set sw=2 sts=2 tw=78 et fdm=marker : */