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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-05 11:19:16 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-07-24 09:53:24 +0000 |
commit | b5f8ee61a7f7e9bd291dd26b0585d03eb686c941 (patch) | |
tree | d4d31289c39fc00da064a825df13a0b98ce95b10 /src/web/api/formatters/rrd2json.c | |
parent | Adding upstream version 1.44.3. (diff) | |
download | netdata-b5f8ee61a7f7e9bd291dd26b0585d03eb686c941.tar.xz netdata-b5f8ee61a7f7e9bd291dd26b0585d03eb686c941.zip |
Adding upstream version 1.46.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/web/api/formatters/rrd2json.c')
-rw-r--r-- | src/web/api/formatters/rrd2json.c | 391 |
1 files changed, 391 insertions, 0 deletions
diff --git a/src/web/api/formatters/rrd2json.c b/src/web/api/formatters/rrd2json.c new file mode 100644 index 000000000..81c9ad5c7 --- /dev/null +++ b/src/web/api/formatters/rrd2json.c @@ -0,0 +1,391 @@ +// 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) +{ + buffer_json_initialize(wb, "\"", "\"", 0, true, BUFFER_JSON_OPTIONS_DEFAULT); + rrdset2json(st, wb, NULL, NULL); + buffer_json_finalize(wb); +} + +const char *rrdr_format_to_string(DATASOURCE_FORMAT format) { + switch(format) { + case DATASOURCE_JSON: + return DATASOURCE_FORMAT_JSON; + + case DATASOURCE_JSON2: + return DATASOURCE_FORMAT_JSON2; + + case DATASOURCE_DATATABLE_JSON: + return DATASOURCE_FORMAT_DATATABLE_JSON; + + case DATASOURCE_DATATABLE_JSONP: + return DATASOURCE_FORMAT_DATATABLE_JSONP; + + case DATASOURCE_JSONP: + return DATASOURCE_FORMAT_JSONP; + + case DATASOURCE_SSV: + return DATASOURCE_FORMAT_SSV; + + case DATASOURCE_CSV: + return DATASOURCE_FORMAT_CSV; + + case DATASOURCE_TSV: + return DATASOURCE_FORMAT_TSV; + + case DATASOURCE_HTML: + return DATASOURCE_FORMAT_HTML; + + case DATASOURCE_JS_ARRAY: + return DATASOURCE_FORMAT_JS_ARRAY; + + case DATASOURCE_SSV_COMMA: + return DATASOURCE_FORMAT_SSV_COMMA; + + default: + return "unknown"; + } +} + +int rrdset2value_api_v1( + RRDSET *st + , BUFFER *wb + , NETDATA_DOUBLE *n + , const char *dimensions + , size_t points + , time_t after + , time_t before + , RRDR_TIME_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 + , STORAGE_PRIORITY priority +) { + 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, + priority); + + 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->stats.db_points_read; + + if(db_points_per_tier) { + for(size_t t = 0; t < storage_tiers ;t++) + db_points_per_tier[t] += r->internal.qt->db.tiers[t].points; + } + + if(result_points_generated) + *result_points_generated += r->stats.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->view.flags & RRDR_RESULT_FLAG_RELATIVE) + buffer_no_cacheable(wb); + else if (r->view.flags & RRDR_RESULT_FLAG_ABSOLUTE) + buffer_cacheable(wb); + } + + if(db_after) *db_after = r->view.after; + if(db_before) *db_before = r->view.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; +} + +static inline void buffer_json_member_add_key_only(BUFFER *wb, const char *key) { + buffer_print_json_comma_newline_spacing(wb); + buffer_print_json_key(wb, key); + buffer_fast_strcat(wb, ":", 1); + wb->json.stack[wb->json.depth].count++; +} + +static inline void buffer_json_member_add_string_open(BUFFER *wb, const char *key) { + buffer_json_member_add_key_only(wb, key); + buffer_strcat(wb, wb->json.value_quote); +} + +static inline void buffer_json_member_add_string_close(BUFFER *wb) { + buffer_strcat(wb, wb->json.value_quote); +} + +int data_query_execute(ONEWAYALLOC *owa, BUFFER *wb, QUERY_TARGET *qt, time_t *latest_timestamp) { + wrapper_begin_t wrapper_begin = rrdr_json_wrapper_begin; + wrapper_end_t wrapper_end = rrdr_json_wrapper_end; + + if(qt->request.version == 2) { + wrapper_begin = rrdr_json_wrapper_begin2; + wrapper_end = rrdr_json_wrapper_end2; + } + + 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->view.flags & RRDR_RESULT_FLAG_CANCEL) { + rrdr_free(owa, r); + return HTTP_RESP_CLIENT_CLOSED_REQUEST; + } + + if(r->view.flags & RRDR_RESULT_FLAG_RELATIVE) + buffer_no_cacheable(wb); + else if(r->view.flags & RRDR_RESULT_FLAG_ABSOLUTE) + buffer_cacheable(wb); + + if(latest_timestamp && rrdr_rows(r) > 0) + *latest_timestamp = r->view.before; + + DATASOURCE_FORMAT format = qt->request.format; + RRDR_OPTIONS options = qt->window.options; + + switch(format) { + case DATASOURCE_SSV: + if(options & RRDR_OPTION_JSON_WRAP) { + wb->content_type = CT_APPLICATION_JSON; + wrapper_begin(r, wb); + buffer_json_member_add_string_open(wb, "result"); + rrdr2ssv(r, wb, options, "", " ", ""); + buffer_json_member_add_string_close(wb); + wrapper_end(r, wb); + } + else { + wb->content_type = CT_TEXT_PLAIN; + rrdr2ssv(r, wb, options, "", " ", ""); + } + break; + + case DATASOURCE_SSV_COMMA: + if(options & RRDR_OPTION_JSON_WRAP) { + wb->content_type = CT_APPLICATION_JSON; + wrapper_begin(r, wb); + buffer_json_member_add_string_open(wb, "result"); + rrdr2ssv(r, wb, options, "", ",", ""); + buffer_json_member_add_string_close(wb); + wrapper_end(r, wb); + } + else { + wb->content_type = CT_TEXT_PLAIN; + rrdr2ssv(r, wb, options, "", ",", ""); + } + break; + + case DATASOURCE_JS_ARRAY: + if(options & RRDR_OPTION_JSON_WRAP) { + wb->content_type = CT_APPLICATION_JSON; + wrapper_begin(r, wb); + buffer_json_member_add_array(wb, "result"); + rrdr2ssv(r, wb, options, "", ",", ""); + buffer_json_array_close(wb); + wrapper_end(r, wb); + } + else { + wb->content_type = CT_APPLICATION_JSON; + rrdr2ssv(r, wb, options, "[", ",", "]"); + } + break; + + case DATASOURCE_CSV: + if(options & RRDR_OPTION_JSON_WRAP) { + wb->content_type = CT_APPLICATION_JSON; + wrapper_begin(r, wb); + buffer_json_member_add_string_open(wb, "result"); + rrdr2csv(r, wb, format, options, "", ",", "\\n", ""); + buffer_json_member_add_string_close(wb); + wrapper_end(r, wb); + } + else { + wb->content_type = CT_TEXT_PLAIN; + rrdr2csv(r, wb, format, options, "", ",", "\r\n", ""); + } + break; + + case DATASOURCE_CSV_MARKDOWN: + if(options & RRDR_OPTION_JSON_WRAP) { + wb->content_type = CT_APPLICATION_JSON; + wrapper_begin(r, wb); + buffer_json_member_add_string_open(wb, "result"); + rrdr2csv(r, wb, format, options, "", "|", "\\n", ""); + buffer_json_member_add_string_close(wb); + wrapper_end(r, wb); + } + else { + wb->content_type = CT_TEXT_PLAIN; + rrdr2csv(r, wb, format, options, "", "|", "\r\n", ""); + } + break; + + case DATASOURCE_CSV_JSON_ARRAY: + wb->content_type = CT_APPLICATION_JSON; + if(options & RRDR_OPTION_JSON_WRAP) { + wrapper_begin(r, wb); + buffer_json_member_add_array(wb, "result"); + rrdr2csv(r, wb, format, options + RRDR_OPTION_LABEL_QUOTES, "[", ",", "]", ",\n"); + buffer_json_array_close(wb); + wrapper_end(r, wb); + } + else { + wb->content_type = 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->content_type = CT_APPLICATION_JSON; + wrapper_begin(r, wb); + buffer_json_member_add_string_open(wb, "result"); + rrdr2csv(r, wb, format, options, "", "\t", "\\n", ""); + buffer_json_member_add_string_close(wb); + wrapper_end(r, wb); + } + else { + wb->content_type = CT_TEXT_PLAIN; + rrdr2csv(r, wb, format, options, "", "\t", "\r\n", ""); + } + break; + + case DATASOURCE_HTML: + if(options & RRDR_OPTION_JSON_WRAP) { + wb->content_type = CT_APPLICATION_JSON; + wrapper_begin(r, wb); + buffer_json_member_add_string_open(wb, "result"); + 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"); + buffer_json_member_add_string_close(wb); + wrapper_end(r, wb); + } + else { + wb->content_type = 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->content_type = CT_APPLICATION_X_JAVASCRIPT; + + if(options & RRDR_OPTION_JSON_WRAP) { + wrapper_begin(r, wb); + buffer_json_member_add_key_only(wb, "result"); + } + + rrdr2json(r, wb, options, 1); + + if(options & RRDR_OPTION_JSON_WRAP) + wrapper_end(r, wb); + + break; + + case DATASOURCE_DATATABLE_JSON: + wb->content_type = CT_APPLICATION_JSON; + + if(options & RRDR_OPTION_JSON_WRAP) { + wrapper_begin(r, wb); + buffer_json_member_add_key_only(wb, "result"); + } + + rrdr2json(r, wb, options, 1); + + if(options & RRDR_OPTION_JSON_WRAP) + wrapper_end(r, wb); + + break; + + case DATASOURCE_JSONP: + wb->content_type = CT_APPLICATION_X_JAVASCRIPT; + if(options & RRDR_OPTION_JSON_WRAP) { + wrapper_begin(r, wb); + buffer_json_member_add_key_only(wb, "result"); + } + + rrdr2json(r, wb, options, 0); + + if(options & RRDR_OPTION_JSON_WRAP) + wrapper_end(r, wb); + + break; + + case DATASOURCE_JSON: + default: + wb->content_type = CT_APPLICATION_JSON; + + if(options & RRDR_OPTION_JSON_WRAP) { + wrapper_begin(r, wb); + buffer_json_member_add_key_only(wb, "result"); + } + + rrdr2json(r, wb, options, 0); + + if(options & RRDR_OPTION_JSON_WRAP) { + if (options & RRDR_OPTION_RETURN_JWAR) { + buffer_json_member_add_key_only(wb, "anomaly_rates"); + rrdr2json(r, wb, options | RRDR_OPTION_INTERNAL_AR, false); + } + wrapper_end(r, wb); + } + break; + + case DATASOURCE_JSON2: + wb->content_type = CT_APPLICATION_JSON; + wrapper_begin(r, wb); + rrdr2json_v2(r, wb); + wrapper_end(r, wb); + break; + } + + rrdr_free(owa, r); + return HTTP_RESP_OK; +} |