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-rw-r--r--web/api/formatters/rrd2json.c298
1 files changed, 298 insertions, 0 deletions
diff --git a/web/api/formatters/rrd2json.c b/web/api/formatters/rrd2json.c
new file mode 100644
index 0000000..5cdcc80
--- /dev/null
+++ b/web/api/formatters/rrd2json.c
@@ -0,0 +1,298 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "web/api/web_api_v1.h"
+
+void rrd_stats_api_v1_chart(RRDSET *st, BUFFER *wb) {
+ rrdset2json(st, wb, NULL, NULL);
+}
+
+void rrdr_buffer_print_format(BUFFER *wb, uint32_t format) {
+ switch(format) {
+ case DATASOURCE_JSON:
+ buffer_strcat(wb, DATASOURCE_FORMAT_JSON);
+ break;
+
+ case DATASOURCE_DATATABLE_JSON:
+ buffer_strcat(wb, DATASOURCE_FORMAT_DATATABLE_JSON);
+ break;
+
+ case DATASOURCE_DATATABLE_JSONP:
+ buffer_strcat(wb, DATASOURCE_FORMAT_DATATABLE_JSONP);
+ break;
+
+ case DATASOURCE_JSONP:
+ buffer_strcat(wb, DATASOURCE_FORMAT_JSONP);
+ break;
+
+ case DATASOURCE_SSV:
+ buffer_strcat(wb, DATASOURCE_FORMAT_SSV);
+ break;
+
+ case DATASOURCE_CSV:
+ buffer_strcat(wb, DATASOURCE_FORMAT_CSV);
+ break;
+
+ case DATASOURCE_TSV:
+ buffer_strcat(wb, DATASOURCE_FORMAT_TSV);
+ break;
+
+ case DATASOURCE_HTML:
+ buffer_strcat(wb, DATASOURCE_FORMAT_HTML);
+ break;
+
+ case DATASOURCE_JS_ARRAY:
+ buffer_strcat(wb, DATASOURCE_FORMAT_JS_ARRAY);
+ break;
+
+ case DATASOURCE_SSV_COMMA:
+ buffer_strcat(wb, DATASOURCE_FORMAT_SSV_COMMA);
+ break;
+
+ default:
+ buffer_strcat(wb, "unknown");
+ break;
+ }
+}
+
+int rrdset2value_api_v1(
+ RRDSET *st
+ , BUFFER *wb
+ , calculated_number *n
+ , const char *dimensions
+ , long points
+ , long long after
+ , long long before
+ , int group_method
+ , long group_time
+ , uint32_t options
+ , time_t *db_after
+ , time_t *db_before
+ , int *value_is_null
+) {
+ RRDR *r = rrd2rrdr(st, points, after, before, group_method, group_time, options, dimensions);
+ if(!r) {
+ if(value_is_null) *value_is_null = 1;
+ return 500;
+ }
+
+ if(rrdr_rows(r) == 0) {
+ rrdr_free(r);
+
+ if(db_after) *db_after = 0;
+ if(db_before) *db_before = 0;
+ if(value_is_null) *value_is_null = 1;
+
+ return 400;
+ }
+
+ if(wb) {
+ if (r->result_options & RRDR_RESULT_OPTION_RELATIVE)
+ buffer_no_cacheable(wb);
+ else if (r->result_options & RRDR_RESULT_OPTION_ABSOLUTE)
+ buffer_cacheable(wb);
+ }
+
+ if(db_after) *db_after = r->after;
+ if(db_before) *db_before = r->before;
+
+ long i = (!(options & RRDR_OPTION_REVERSED))?rrdr_rows(r) - 1:0;
+ *n = rrdr2value(r, i, options, value_is_null);
+
+ rrdr_free(r);
+ return 200;
+}
+
+int rrdset2anything_api_v1(
+ RRDSET *st
+ , BUFFER *wb
+ , BUFFER *dimensions
+ , uint32_t format
+ , long points
+ , long long after
+ , long long before
+ , int group_method
+ , long group_time
+ , uint32_t options
+ , time_t *latest_timestamp
+) {
+ st->last_accessed_time = now_realtime_sec();
+
+ RRDR *r = rrd2rrdr(st, points, after, before, group_method, group_time, options, dimensions?buffer_tostring(dimensions):NULL);
+ if(!r) {
+ buffer_strcat(wb, "Cannot generate output with these parameters on this chart.");
+ return 500;
+ }
+
+ if(r->result_options & RRDR_RESULT_OPTION_RELATIVE)
+ buffer_no_cacheable(wb);
+ else if(r->result_options & RRDR_RESULT_OPTION_ABSOLUTE)
+ buffer_cacheable(wb);
+
+ if(latest_timestamp && rrdr_rows(r) > 0)
+ *latest_timestamp = r->before;
+
+ switch(format) {
+ case DATASOURCE_SSV:
+ if(options & RRDR_OPTION_JSON_WRAP) {
+ wb->contenttype = CT_APPLICATION_JSON;
+ rrdr_json_wrapper_begin(r, wb, format, options, 1);
+ rrdr2ssv(r, wb, options, "", " ", "");
+ rrdr_json_wrapper_end(r, wb, format, options, 1);
+ }
+ else {
+ wb->contenttype = CT_TEXT_PLAIN;
+ rrdr2ssv(r, wb, options, "", " ", "");
+ }
+ break;
+
+ case DATASOURCE_SSV_COMMA:
+ if(options & RRDR_OPTION_JSON_WRAP) {
+ wb->contenttype = CT_APPLICATION_JSON;
+ rrdr_json_wrapper_begin(r, wb, format, options, 1);
+ rrdr2ssv(r, wb, options, "", ",", "");
+ rrdr_json_wrapper_end(r, wb, format, options, 1);
+ }
+ else {
+ wb->contenttype = CT_TEXT_PLAIN;
+ rrdr2ssv(r, wb, options, "", ",", "");
+ }
+ break;
+
+ case DATASOURCE_JS_ARRAY:
+ if(options & RRDR_OPTION_JSON_WRAP) {
+ wb->contenttype = CT_APPLICATION_JSON;
+ rrdr_json_wrapper_begin(r, wb, format, options, 0);
+ rrdr2ssv(r, wb, options, "[", ",", "]");
+ rrdr_json_wrapper_end(r, wb, format, options, 0);
+ }
+ else {
+ wb->contenttype = CT_APPLICATION_JSON;
+ rrdr2ssv(r, wb, options, "[", ",", "]");
+ }
+ break;
+
+ case DATASOURCE_CSV:
+ if(options & RRDR_OPTION_JSON_WRAP) {
+ wb->contenttype = CT_APPLICATION_JSON;
+ rrdr_json_wrapper_begin(r, wb, format, options, 1);
+ rrdr2csv(r, wb, format, options, "", ",", "\\n", "");
+ rrdr_json_wrapper_end(r, wb, format, options, 1);
+ }
+ else {
+ wb->contenttype = CT_TEXT_PLAIN;
+ rrdr2csv(r, wb, format, options, "", ",", "\r\n", "");
+ }
+ break;
+
+ case DATASOURCE_CSV_MARKDOWN:
+ if(options & RRDR_OPTION_JSON_WRAP) {
+ wb->contenttype = CT_APPLICATION_JSON;
+ rrdr_json_wrapper_begin(r, wb, format, options, 1);
+ rrdr2csv(r, wb, format, options, "", "|", "\\n", "");
+ rrdr_json_wrapper_end(r, wb, format, options, 1);
+ }
+ else {
+ wb->contenttype = CT_TEXT_PLAIN;
+ rrdr2csv(r, wb, format, options, "", "|", "\r\n", "");
+ }
+ break;
+
+ case DATASOURCE_CSV_JSON_ARRAY:
+ wb->contenttype = CT_APPLICATION_JSON;
+ if(options & RRDR_OPTION_JSON_WRAP) {
+ rrdr_json_wrapper_begin(r, wb, format, options, 0);
+ buffer_strcat(wb, "[\n");
+ rrdr2csv(r, wb, format, options + RRDR_OPTION_LABEL_QUOTES, "[", ",", "]", ",\n");
+ buffer_strcat(wb, "\n]");
+ rrdr_json_wrapper_end(r, wb, format, options, 0);
+ }
+ else {
+ wb->contenttype = CT_APPLICATION_JSON;
+ buffer_strcat(wb, "[\n");
+ rrdr2csv(r, wb, format, options + RRDR_OPTION_LABEL_QUOTES, "[", ",", "]", ",\n");
+ buffer_strcat(wb, "\n]");
+ }
+ break;
+
+ case DATASOURCE_TSV:
+ if(options & RRDR_OPTION_JSON_WRAP) {
+ wb->contenttype = CT_APPLICATION_JSON;
+ rrdr_json_wrapper_begin(r, wb, format, options, 1);
+ rrdr2csv(r, wb, format, options, "", "\t", "\\n", "");
+ rrdr_json_wrapper_end(r, wb, format, options, 1);
+ }
+ else {
+ wb->contenttype = CT_TEXT_PLAIN;
+ rrdr2csv(r, wb, format, options, "", "\t", "\r\n", "");
+ }
+ break;
+
+ case DATASOURCE_HTML:
+ if(options & RRDR_OPTION_JSON_WRAP) {
+ wb->contenttype = CT_APPLICATION_JSON;
+ rrdr_json_wrapper_begin(r, wb, format, options, 1);
+ buffer_strcat(wb, "<html>\\n<center>\\n<table border=\\\"0\\\" cellpadding=\\\"5\\\" cellspacing=\\\"5\\\">\\n");
+ rrdr2csv(r, wb, format, options, "<tr><td>", "</td><td>", "</td></tr>\\n", "");
+ buffer_strcat(wb, "</table>\\n</center>\\n</html>\\n");
+ rrdr_json_wrapper_end(r, wb, format, options, 1);
+ }
+ else {
+ wb->contenttype = CT_TEXT_HTML;
+ buffer_strcat(wb, "<html>\n<center>\n<table border=\"0\" cellpadding=\"5\" cellspacing=\"5\">\n");
+ rrdr2csv(r, wb, format, options, "<tr><td>", "</td><td>", "</td></tr>\n", "");
+ buffer_strcat(wb, "</table>\n</center>\n</html>\n");
+ }
+ break;
+
+ case DATASOURCE_DATATABLE_JSONP:
+ wb->contenttype = CT_APPLICATION_X_JAVASCRIPT;
+
+ if(options & RRDR_OPTION_JSON_WRAP)
+ rrdr_json_wrapper_begin(r, wb, format, options, 0);
+
+ rrdr2json(r, wb, options, 1);
+
+ if(options & RRDR_OPTION_JSON_WRAP)
+ rrdr_json_wrapper_end(r, wb, format, options, 0);
+ break;
+
+ case DATASOURCE_DATATABLE_JSON:
+ wb->contenttype = CT_APPLICATION_JSON;
+
+ if(options & RRDR_OPTION_JSON_WRAP)
+ rrdr_json_wrapper_begin(r, wb, format, options, 0);
+
+ rrdr2json(r, wb, options, 1);
+
+ if(options & RRDR_OPTION_JSON_WRAP)
+ rrdr_json_wrapper_end(r, wb, format, options, 0);
+ break;
+
+ case DATASOURCE_JSONP:
+ wb->contenttype = CT_APPLICATION_X_JAVASCRIPT;
+ if(options & RRDR_OPTION_JSON_WRAP)
+ rrdr_json_wrapper_begin(r, wb, format, options, 0);
+
+ rrdr2json(r, wb, options, 0);
+
+ if(options & RRDR_OPTION_JSON_WRAP)
+ rrdr_json_wrapper_end(r, wb, format, options, 0);
+ break;
+
+ case DATASOURCE_JSON:
+ default:
+ wb->contenttype = CT_APPLICATION_JSON;
+
+ if(options & RRDR_OPTION_JSON_WRAP)
+ rrdr_json_wrapper_begin(r, wb, format, options, 0);
+
+ rrdr2json(r, wb, options, 0);
+
+ if(options & RRDR_OPTION_JSON_WRAP)
+ rrdr_json_wrapper_end(r, wb, format, options, 0);
+ break;
+ }
+
+ rrdr_free(r);
+ return 200;
+}
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