1 files changed, 56 insertions, 0 deletions
diff --git a/database/rrddimvar.h b/database/rrddimvar.h
new file mode 100644
index 000000000..3494824be
--- /dev/null
+++ b/database/rrddimvar.h
@@ -0,0 +1,56 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#ifndef NETDATA_RRDDIMVAR_H
+#define NETDATA_RRDDIMVAR_H 1
+
+#include "rrd.h"
+
+// variables linked to individual dimensions
+// We link variables to point the values that are already
+// calculated / processed by the normal data collection process
+// This means, there will be no speed penalty for using
+// these variables
+struct rrddimvar {
+    char *prefix;
+    char *suffix;
+
+    char *key_id;                   // dimension id
+    char *key_name;                 // dimension name
+    char *key_contextid;            // context + dimension id
+    char *key_contextname;          // context + dimension name
+    char *key_fullidid;             // chart type.chart id + dimension id
+    char *key_fullidname;           // chart type.chart id + dimension name
+    char *key_fullnameid;           // chart type.chart name + dimension id
+    char *key_fullnamename;         // chart type.chart name + dimension name
+
+    RRDVAR_TYPE type;
+    void *value;
+
+    RRDVAR_OPTIONS options;
+
+    RRDVAR *var_local_id;
+    RRDVAR *var_local_name;
+
+    RRDVAR *var_family_id;
+    RRDVAR *var_family_name;
+    RRDVAR *var_family_contextid;
+    RRDVAR *var_family_contextname;
+
+    RRDVAR *var_host_chartidid;
+    RRDVAR *var_host_chartidname;
+    RRDVAR *var_host_chartnameid;
+    RRDVAR *var_host_chartnamename;
+
+    struct rrddim *rrddim;
+
+    struct rrddimvar *next;
+};
+
+
+extern void rrddimvar_rename_all(RRDDIM *rd);
+extern RRDDIMVAR *rrddimvar_create(RRDDIM *rd, RRDVAR_TYPE type, const char *prefix, const char *suffix, void *value, RRDVAR_OPTIONS options);
+extern void rrddimvar_free(RRDDIMVAR *rs);
+
+
+
+#endif //NETDATA_RRDDIMVAR_H