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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24 * Florian Forster <octo at collectd.org>
30 #include "filter_chain.h"
33 * internal helper functions
35 static int mec_create(const oconfig_item_t *ci, void **user_data) /* {{{ */
37 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) {
58 for (size_t i = 0; i < ds->ds_num; i++) {
59 if ((ds->ds[i].type != DS_TYPE_DERIVE) &&
60 (ds->ds[i].type != DS_TYPE_COUNTER))
64 if (((ds->ds[i].type == DS_TYPE_DERIVE) && (vl->values[i].derive == 0)) ||
65 ((ds->ds[i].type == DS_TYPE_COUNTER) && (vl->values[i].counter == 0)))
69 if ((num_counters != 0) && (num_counters == num_empty))
70 return FC_MATCH_MATCHES;
72 return FC_MATCH_NO_MATCH;
73 } /* }}} int mec_match */
75 void module_register(void) {
79 .create = mec_create, .destroy = mec_destroy, .match = mec_match,
81 } /* module_register */