2 * collectd - src/match_empty_counter.c
3 * Copyright (C) 2009-2016 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 "filter_chain.h"
32 * internal helper functions
34 static int mec_create (const oconfig_item_t *ci, void **user_data) /* {{{ */
36 if (ci->children_num != 0)
38 ERROR ("empty_counter match: This match does not take any additional "
44 } /* }}} int mec_create */
46 static int mec_destroy (__attribute__((unused)) void **user_data) /* {{{ */
49 } /* }}} int mec_destroy */
51 static int mec_match (__attribute__((unused)) const data_set_t *ds, /* {{{ */
52 const value_list_t *vl,
53 __attribute__((unused)) notification_meta_t **meta,
54 __attribute__((unused)) void **user_data)
60 for (i = 0; i < ds->ds_num; i++)
62 if ((ds->ds[i].type != DS_TYPE_DERIVE)
63 && (ds->ds[i].type != DS_TYPE_COUNTER))
67 if (((ds->ds[i].type == DS_TYPE_DERIVE) && (vl->values[i].derive == 0))
68 || ((ds->ds[i].type == DS_TYPE_COUNTER) && (vl->values[i].counter == 0)))
72 if ((num_counters != 0) && (num_counters == num_empty))
73 return (FC_MATCH_MATCHES);
75 return (FC_MATCH_NO_MATCH);
76 } /* }}} int mec_match */
78 void module_register (void)
80 fc_register_match ("empty_counter", (match_proc_t) {
82 .destroy = mec_destroy,
85 } /* module_register */
87 /* vim: set sw=2 sts=2 tw=78 et fdm=marker : */