| 1 | // SPDX-License-Identifier: GPL-3.0-or-later |
| 2 | |
| 3 | #include "ssv.h" |
| 4 | |
| 5 | void rrdr2ssv(RRDR *r, BUFFER *wb, RRDR_OPTIONS options, const char *prefix, const char *separator, const char *suffix) { |
| 6 | //netdata_log_info("RRD2SSV(): %s: BEGIN", r->st->id); |
| 7 | long i; |
| 8 | |
| 9 | buffer_strcat(wb, prefix); |
| 10 | long start = 0, end = rrdr_rows(r), step = 1; |
| 11 | if(!(options & RRDR_OPTION_REVERSED)) { |
| 12 | start = rrdr_rows(r) - 1; |
| 13 | end = -1; |
| 14 | step = -1; |
| 15 | } |
| 16 | |
| 17 | // for each line in the array |
| 18 | for(i = start; i != end ;i += step) { |
| 19 | int all_values_are_null = 0; |
| 20 | NETDATA_DOUBLE v = rrdr2value(r, i, options, &all_values_are_null, NULL); |
| 21 | |
| 22 | if(likely(i != start)) { |
| 23 | if(r->view.min > v) r->view.min = v; |
| 24 | if(r->view.max < v) r->view.max = v; |
| 25 | } |
| 26 | else { |
| 27 | r->view.min = v; |
| 28 | r->view.max = v; |
| 29 | } |
| 30 | |
| 31 | if(likely(i != start)) |
| 32 | buffer_strcat(wb, separator); |
| 33 | |
| 34 | if(all_values_are_null) { |
| 35 | if(options & RRDR_OPTION_NULL2ZERO) |
| 36 | buffer_strcat(wb, "0"); |
| 37 | else |
| 38 | buffer_strcat(wb, "null"); |
| 39 | } |
| 40 | else |
| 41 | buffer_print_netdata_double(wb, v); |
| 42 | } |
| 43 | buffer_strcat(wb, suffix); |
| 44 | //netdata_log_info("RRD2SSV(): %s: END", r->st->id); |
| 45 | } |