diff options
Diffstat (limited to '')
| -rw-r--r-- | web/api/formatters/rrd2json.c | 401 |
1 files changed, 401 insertions, 0 deletions
diff --git a/web/api/formatters/rrd2json.c b/web/api/formatters/rrd2json.c new file mode 100644 index 0000000..d8e2480 --- /dev/null +++ b/web/api/formatters/rrd2json.c @@ -0,0 +1,401 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +#include "web/api/web_api_v1.h" + +static inline void free_temp_rrddim(RRDDIM *temp_rd) +{ + if (unlikely(!temp_rd)) + return; + + RRDDIM *t; + while (temp_rd) { + t = temp_rd->next; + freez((char *)temp_rd->id); + freez((char *)temp_rd->name); +#ifdef ENABLE_DBENGINE + if (temp_rd->rrd_memory_mode == RRD_MEMORY_MODE_DBENGINE) + freez(temp_rd->state->metric_uuid); +#endif + freez(temp_rd->state); + freez(temp_rd); + temp_rd = t; + } +} + +void free_context_param_list(struct context_param **param_list) +{ + if (unlikely(!param_list || !*param_list)) + return; + + free_temp_rrddim(((*param_list)->rd)); + freez((*param_list)); + *param_list = NULL; +} + +void rebuild_context_param_list(struct context_param *context_param_list, time_t after_requested) +{ + RRDDIM *temp_rd = context_param_list->rd; + RRDDIM *new_rd_list = NULL, *t; + while (temp_rd) { + t = temp_rd->next; + if (rrdset_last_entry_t(temp_rd->rrdset) >= after_requested) { + temp_rd->next = new_rd_list; + new_rd_list = temp_rd; + } else { + freez((char *)temp_rd->id); + freez((char *)temp_rd->name); +#ifdef ENABLE_DBENGINE + if (temp_rd->rrd_memory_mode == RRD_MEMORY_MODE_DBENGINE) + freez(temp_rd->state->metric_uuid); +#endif + freez(temp_rd->state); + freez(temp_rd); + } + temp_rd = t; + } + context_param_list->rd = new_rd_list; +}; + +void build_context_param_list(struct context_param **param_list, RRDSET *st) +{ + if (unlikely(!param_list || !st)) + return; + + if (unlikely(!(*param_list))) { + *param_list = mallocz(sizeof(struct context_param)); + (*param_list)->first_entry_t = LONG_MAX; + (*param_list)->last_entry_t = 0; + (*param_list)->rd = NULL; + } + + RRDDIM *rd1; + st->last_accessed_time = now_realtime_sec(); + rrdset_rdlock(st); + + (*param_list)->first_entry_t = MIN((*param_list)->first_entry_t, rrdset_first_entry_t_nolock(st)); + (*param_list)->last_entry_t = MAX((*param_list)->last_entry_t, rrdset_last_entry_t_nolock(st)); + + rrddim_foreach_read(rd1, st) { + RRDDIM *rd = mallocz(rd1->memsize); + memcpy(rd, rd1, rd1->memsize); + rd->id = strdupz(rd1->id); + rd->name = strdupz(rd1->name); + rd->state = mallocz(sizeof(*rd->state)); + memcpy(rd->state, rd1->state, sizeof(*rd->state)); + memcpy(&rd->state->collect_ops, &rd1->state->collect_ops, sizeof(struct rrddim_collect_ops)); + memcpy(&rd->state->query_ops, &rd1->state->query_ops, sizeof(struct rrddim_query_ops)); +#ifdef ENABLE_DBENGINE + if (rd->rrd_memory_mode == RRD_MEMORY_MODE_DBENGINE) { + rd->state->metric_uuid = mallocz(sizeof(uuid_t)); + uuid_copy(*rd->state->metric_uuid, *rd1->state->metric_uuid); + } +#endif + rd->next = (*param_list)->rd; + (*param_list)->rd = rd; + } + + rrdset_unlock(st); +} + +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 + , 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, NULL); + + if(!r) { + if(value_is_null) *value_is_null = 1; + return HTTP_RESP_INTERNAL_SERVER_ERROR; + } + + 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 HTTP_RESP_BAD_REQUEST; + } + + 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 HTTP_RESP_OK; +} + +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 + , struct context_param *context_param_list + , char *chart_label_key +) { + time_t last_accessed_time = now_realtime_sec(); + st->last_accessed_time = last_accessed_time; + + + RRDR *r = rrd2rrdr(st, points, after, before, group_method, group_time, options, dimensions?buffer_tostring(dimensions):NULL, context_param_list); + if(!r) { + buffer_strcat(wb, "Cannot generate output with these parameters on this chart."); + return HTTP_RESP_INTERNAL_SERVER_ERROR; + } + + RRDDIM *temp_rd = context_param_list ? context_param_list->rd : NULL; + + 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, temp_rd, chart_label_key); + 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, temp_rd, chart_label_key); + 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, temp_rd, chart_label_key); + 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, temp_rd, chart_label_key); + rrdr2csv(r, wb, format, options, "", ",", "\\n", "", temp_rd); + rrdr_json_wrapper_end(r, wb, format, options, 1); + } + else { + wb->contenttype = CT_TEXT_PLAIN; + rrdr2csv(r, wb, format, options, "", ",", "\r\n", "", temp_rd); + } + 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, temp_rd, chart_label_key); + rrdr2csv(r, wb, format, options, "", "|", "\\n", "", temp_rd); + rrdr_json_wrapper_end(r, wb, format, options, 1); + } + else { + wb->contenttype = CT_TEXT_PLAIN; + rrdr2csv(r, wb, format, options, "", "|", "\r\n", "", temp_rd); + } + 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, temp_rd, chart_label_key); + buffer_strcat(wb, "[\n"); + rrdr2csv(r, wb, format, options + RRDR_OPTION_LABEL_QUOTES, "[", ",", "]", ",\n", temp_rd); + 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", temp_rd); + 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, temp_rd, chart_label_key); + rrdr2csv(r, wb, format, options, "", "\t", "\\n", "", temp_rd); + rrdr_json_wrapper_end(r, wb, format, options, 1); + } + else { + wb->contenttype = CT_TEXT_PLAIN; + rrdr2csv(r, wb, format, options, "", "\t", "\r\n", "", temp_rd); + } + break; + + case DATASOURCE_HTML: + if(options & RRDR_OPTION_JSON_WRAP) { + wb->contenttype = CT_APPLICATION_JSON; + rrdr_json_wrapper_begin(r, wb, format, options, 1, temp_rd, chart_label_key); + 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", "", temp_rd); + 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", "", temp_rd); + 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, temp_rd, chart_label_key); + + rrdr2json(r, wb, options, 1, temp_rd); + + 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, temp_rd, chart_label_key); + + rrdr2json(r, wb, options, 1, temp_rd); + + 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, temp_rd, chart_label_key); + + rrdr2json(r, wb, options, 0, temp_rd); + + 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, temp_rd, chart_label_key); + + rrdr2json(r, wb, options, 0, temp_rd); + + if(options & RRDR_OPTION_JSON_WRAP) + rrdr_json_wrapper_end(r, wb, format, options, 0); + break; + } + + rrdr_free(r); + return HTTP_RESP_OK; +} |