// SPDX-License-Identifier: GPL-3.0-or-later #include "web/api/web_api_v1.h" static inline void free_single_rrdrim(RRDDIM *temp_rd, int archive_mode) { if (unlikely(!temp_rd)) return; freez((char *)temp_rd->id); freez((char *)temp_rd->name); if (unlikely(archive_mode)) { temp_rd->rrdset->counter--; if (!temp_rd->rrdset->counter) { freez((char *)temp_rd->rrdset->name); freez(temp_rd->rrdset->context); freez(temp_rd->rrdset); } } freez(temp_rd->state); freez(temp_rd); } static inline void free_rrddim_list(RRDDIM *temp_rd, int archive_mode) { if (unlikely(!temp_rd)) return; RRDDIM *t; while (temp_rd) { t = temp_rd->next; free_single_rrdrim(temp_rd, archive_mode); temp_rd = t; } } void free_context_param_list(struct context_param **param_list) { if (unlikely(!param_list || !*param_list)) return; free_rrddim_list(((*param_list)->rd), (*param_list)->flags & CONTEXT_FLAGS_ARCHIVE); 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; int is_archived = (context_param_list->flags & CONTEXT_FLAGS_ARCHIVE); while (temp_rd) { t = temp_rd->next; RRDSET *st = temp_rd->rrdset; time_t last_entry_t = is_archived ? st->last_entry_t : rrdset_last_entry_t(st); if (last_entry_t >= after_requested) { temp_rd->next = new_rd_list; new_rd_list = temp_rd; } else free_single_rrdrim(temp_rd, is_archived); 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)->flags = CONTEXT_FLAGS_CONTEXT; (*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)); 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 ) { if (context_param_list && !(context_param_list->flags & CONTEXT_FLAGS_ARCHIVE)) st->last_accessed_time = now_realtime_sec(); 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, context_param_list, 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, context_param_list, 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, context_param_list, 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, context_param_list, 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, context_param_list, 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, context_param_list, 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, context_param_list, 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, context_param_list, chart_label_key); buffer_strcat(wb, "\\n
\\n\\n"); rrdr2csv(r, wb, format, options, "\\n", "", temp_rd); buffer_strcat(wb, "
", "", "
\\n
\\n\\n"); rrdr_json_wrapper_end(r, wb, format, options, 1); } else { wb->contenttype = CT_TEXT_HTML; buffer_strcat(wb, "\n
\n\n"); rrdr2csv(r, wb, format, options, "\n", "", temp_rd); buffer_strcat(wb, "
", "", "
\n
\n\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, context_param_list, chart_label_key); rrdr2json(r, wb, options, 1, context_param_list); 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, context_param_list, chart_label_key); rrdr2json(r, wb, options, 1, context_param_list); 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, context_param_list, chart_label_key); rrdr2json(r, wb, options, 0, context_param_list); 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, context_param_list, chart_label_key); rrdr2json(r, wb, options, 0, context_param_list); if(options & RRDR_OPTION_JSON_WRAP) rrdr_json_wrapper_end(r, wb, format, options, 0); break; } rrdr_free(r); return HTTP_RESP_OK; }