1 files changed, 44 insertions, 0 deletions
diff --git a/src/health/rrdvar.h b/src/health/rrdvar.h
new file mode 100644
index 000000000..31530589d
--- /dev/null
+++ b/src/health/rrdvar.h
@@ -0,0 +1,44 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#ifndef NETDATA_RRDVAR_H
+#define NETDATA_RRDVAR_H 1
+
+#include "libnetdata/libnetdata.h"
+
+#define RRDVAR_MAX_LENGTH 1024
+
+int rrdvar_fix_name(char *variable);
+
+#include "database/rrd.h"
+
+STRING *rrdvar_name_to_string(const char *name);
+
+const RRDVAR_ACQUIRED *rrdvar_host_variable_add_and_acquire(RRDHOST *host, const char *name);
+void rrdvar_host_variable_set(RRDHOST *host, const RRDVAR_ACQUIRED *rva, NETDATA_DOUBLE value);
+
+int rrdvar_walkthrough_read(DICTIONARY *dict, int (*callback)(const DICTIONARY_ITEM *item, void *rrdvar, void *data), void *data);
+
+#define rrdvar_host_variable_release(host, rva) rrdvar_release((host)->rrdvars, rva)
+#define rrdvar_chart_variable_release(st, rva) rrdvar_release((st)->rrdvars, rva)
+void rrdvar_release(DICTIONARY *dict, const RRDVAR_ACQUIRED *rva);
+
+NETDATA_DOUBLE rrdvar2number(const RRDVAR_ACQUIRED *rva);
+
+const RRDVAR_ACQUIRED *rrdvar_add_and_acquire(DICTIONARY *dict, STRING *name, NETDATA_DOUBLE value);
+
+DICTIONARY *rrdvariables_create(void);
+void rrdvariables_destroy(DICTIONARY *dict);
+
+void rrdvar_delete_all(DICTIONARY *dict);
+
+const char *rrdvar_name(const RRDVAR_ACQUIRED *rva);
+
+void rrdvar_print_to_streaming_custom_chart_variables(RRDSET *st, BUFFER *wb);
+
+const RRDVAR_ACQUIRED *rrdvar_chart_variable_add_and_acquire(RRDSET *st, const char *name);
+void rrdvar_chart_variable_set(RRDSET *st, const RRDVAR_ACQUIRED *rva, NETDATA_DOUBLE value);
+
+bool rrdvar_get_custom_host_variable_value(RRDHOST *host, STRING *variable, NETDATA_DOUBLE *result);
+bool rrdvar_get_custom_chart_variable_value(RRDSET *st, STRING *variable, NETDATA_DOUBLE *result);
+
+#endif //NETDATA_RRDVAR_H