1 files changed, 68 insertions, 0 deletions
diff --git a/database/rrdcalctemplate.h b/database/rrdcalctemplate.h
new file mode 100644
index 000000000..2235ecaa1
--- /dev/null
+++ b/database/rrdcalctemplate.h
@@ -0,0 +1,68 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#ifndef NETDATA_RRDCALCTEMPLATE_H
+#define NETDATA_RRDCALCTEMPLATE_H 1
+
+#include "rrd.h"
+
+// RRDCALCTEMPLATE
+// these are to be applied to charts found dynamically
+// based on their context.
+struct rrdcalctemplate {
+    char *name;
+    uint32_t hash_name;
+
+    char *exec;
+    char *recipient;
+
+    char *context;
+    uint32_t hash_context;
+
+    char *family_match;
+    SIMPLE_PATTERN *family_pattern;
+
+    char *source;                   // the source of this alarm
+    char *units;                    // the units of the alarm
+    char *info;                     // a short description of the alarm
+
+    int update_every;               // update frequency for the alarm
+
+    // the red and green threshold of this alarm (to be set to the chart)
+    calculated_number green;
+    calculated_number red;
+
+    // ------------------------------------------------------------------------
+    // database lookup settings
+
+    char *dimensions;               // the chart dimensions
+    RRDR_GROUPING group;               // grouping method: average, max, etc.
+    int before;                     // ending point in time-series
+    int after;                      // starting point in time-series
+    uint32_t options;               // calculation options
+
+    // ------------------------------------------------------------------------
+    // notification delay settings
+
+    int delay_up_duration;         // duration to delay notifications when alarm raises
+    int delay_down_duration;       // duration to delay notifications when alarm lowers
+    int delay_max_duration;        // the absolute max delay to apply to this alarm
+    float delay_multiplier;        // multiplier for all delays when alarms switch status
+
+    // ------------------------------------------------------------------------
+    // expressions related to the alarm
+
+    EVAL_EXPRESSION *calculation;
+    EVAL_EXPRESSION *warning;
+    EVAL_EXPRESSION *critical;
+
+    struct rrdcalctemplate *next;
+};
+
+#define RRDCALCTEMPLATE_HAS_CALCULATION(rt) ((rt)->after)
+
+extern void rrdcalctemplate_link_matching(RRDSET *st);
+
+extern void rrdcalctemplate_free(RRDCALCTEMPLATE *rt);
+extern void rrdcalctemplate_unlink_and_free(RRDHOST *host, RRDCALCTEMPLATE *rt);
+
+#endif //NETDATA_RRDCALCTEMPLATE_H