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-rw-r--r--web/api/formatters/ssv/ssv.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/web/api/formatters/ssv/ssv.c b/web/api/formatters/ssv/ssv.c
new file mode 100644
index 0000000..eeba028
--- /dev/null
+++ b/web/api/formatters/ssv/ssv.c
@@ -0,0 +1,45 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "ssv.h"
+
+void rrdr2ssv(RRDR *r, BUFFER *wb, RRDR_OPTIONS options, const char *prefix, const char *separator, const char *suffix) {
+ //info("RRD2SSV(): %s: BEGIN", r->st->id);
+ long i;
+
+ buffer_strcat(wb, prefix);
+ long start = 0, end = rrdr_rows(r), step = 1;
+ if(!(options & RRDR_OPTION_REVERSED)) {
+ start = rrdr_rows(r) - 1;
+ end = -1;
+ step = -1;
+ }
+
+ // for each line in the array
+ for(i = start; i != end ;i += step) {
+ int all_values_are_null = 0;
+ calculated_number v = rrdr2value(r, i, options, &all_values_are_null);
+
+ if(likely(i != start)) {
+ if(r->min > v) r->min = v;
+ if(r->max < v) r->max = v;
+ }
+ else {
+ r->min = v;
+ r->max = v;
+ }
+
+ if(likely(i != start))
+ buffer_strcat(wb, separator);
+
+ if(all_values_are_null) {
+ if(options & RRDR_OPTION_NULL2ZERO)
+ buffer_strcat(wb, "0");
+ else
+ buffer_strcat(wb, "null");
+ }
+ else
+ buffer_rrd_value(wb, v);
+ }
+ buffer_strcat(wb, suffix);
+ //info("RRD2SSV(): %s: END", r->st->id);
+}