diff options
Diffstat (limited to 'web/api/formatters/rrd2json.c')
| -rw-r--r-- | web/api/formatters/rrd2json.c | 339 |
1 files changed, 339 insertions, 0 deletions
diff --git a/web/api/formatters/rrd2json.c b/web/api/formatters/rrd2json.c new file mode 100644 index 0000000..8bf5471 --- /dev/null +++ b/web/api/formatters/rrd2json.c @@ -0,0 +1,339 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +#include "web/api/web_api_v1.h" +#include "database/storage_engine.h" + +void rrd_stats_api_v1_chart(RRDSET *st, BUFFER *wb) { + rrdset2json(st, wb, NULL, NULL, 0); +} + +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 + , NETDATA_DOUBLE *n + , const char *dimensions + , size_t points + , time_t after + , time_t before + , RRDR_GROUPING group_method + , const char *group_options + , time_t resampling_time + , uint32_t options + , time_t *db_after + , time_t *db_before + , size_t *db_points_read + , size_t *db_points_per_tier + , size_t *result_points_generated + , int *value_is_null + , NETDATA_DOUBLE *anomaly_rate + , time_t timeout + , size_t tier + , QUERY_SOURCE query_source +) { + int ret = HTTP_RESP_INTERNAL_SERVER_ERROR; + + ONEWAYALLOC *owa = onewayalloc_create(0); + RRDR *r = rrd2rrdr_legacy( + owa, + st, + points, + after, + before, + group_method, + resampling_time, + options, + dimensions, + group_options, + timeout, + tier, + query_source); + + if(!r) { + if(value_is_null) *value_is_null = 1; + ret = HTTP_RESP_INTERNAL_SERVER_ERROR; + goto cleanup; + } + + if(db_points_read) + *db_points_read += r->internal.db_points_read; + + if(db_points_per_tier) { + for(size_t t = 0; t < storage_tiers ;t++) + db_points_per_tier[t] += r->internal.tier_points_read[t]; + } + + if(result_points_generated) + *result_points_generated += r->internal.result_points_generated; + + if(rrdr_rows(r) == 0) { + if(db_after) *db_after = 0; + if(db_before) *db_before = 0; + if(value_is_null) *value_is_null = 1; + + ret = HTTP_RESP_BAD_REQUEST; + goto cleanup; + } + + 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))?(long)rrdr_rows(r) - 1:0; + *n = rrdr2value(r, i, options, value_is_null, anomaly_rate); + ret = HTTP_RESP_OK; + +cleanup: + rrdr_free(owa, r); + onewayalloc_destroy(owa); + return ret; +} + +int data_query_execute(ONEWAYALLOC *owa, BUFFER *wb, QUERY_TARGET *qt, time_t *latest_timestamp) { + + RRDR *r = rrd2rrdr(owa, qt); + if(!r) { + buffer_strcat(wb, "Cannot generate output with these parameters on this chart."); + return HTTP_RESP_INTERNAL_SERVER_ERROR; + } + + if (r->result_options & RRDR_RESULT_OPTION_CANCEL) { + rrdr_free(owa, r); + return HTTP_RESP_BACKEND_FETCH_FAILED; + } + + 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; + + DATASOURCE_FORMAT format = qt->request.format; + RRDR_OPTIONS options = qt->request.options; + RRDR_GROUPING group_method = qt->request.group_method; + + 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, group_method); + 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, group_method); + 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, group_method); + 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, group_method); + 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, group_method); + 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, group_method); + 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, group_method); + 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, group_method); + 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, group_method); + + 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, group_method); + + 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, group_method); + + 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, group_method); + + rrdr2json(r, wb, options, 0); + + if(options & RRDR_OPTION_JSON_WRAP) { + if(options & RRDR_OPTION_RETURN_JWAR) { + rrdr_json_wrapper_anomaly_rates(r, wb, format, options, 0); + rrdr2json(r, wb, options | RRDR_OPTION_INTERNAL_AR, 0); + } + rrdr_json_wrapper_end(r, wb, format, options, 0); + } + break; + } + + rrdr_free(owa, r); + return HTTP_RESP_OK; +} |