+#include "common.h"
+
+unsigned long rrdset_info2json_api_old(RRDSET *st, char *options, BUFFER *wb) {
+ time_t now = now_realtime_sec();
+
+ rrdset_rdlock(st);
+
+ st->last_accessed_time = now;
+
+ buffer_sprintf(wb,
+ "\t\t{\n"
+ "\t\t\t\"id\": \"%s\",\n"
+ "\t\t\t\"name\": \"%s\",\n"
+ "\t\t\t\"type\": \"%s\",\n"
+ "\t\t\t\"family\": \"%s\",\n"
+ "\t\t\t\"context\": \"%s\",\n"
+ "\t\t\t\"title\": \"%s\",\n"
+ "\t\t\t\"priority\": %ld,\n"
+ "\t\t\t\"enabled\": %d,\n"
+ "\t\t\t\"units\": \"%s\",\n"
+ "\t\t\t\"url\": \"/data/%s/%s\",\n"
+ "\t\t\t\"chart_type\": \"%s\",\n"
+ "\t\t\t\"counter\": %lu,\n"
+ "\t\t\t\"entries\": %ld,\n"
+ "\t\t\t\"first_entry_t\": %ld,\n"
+ "\t\t\t\"last_entry\": %lu,\n"
+ "\t\t\t\"last_entry_t\": %ld,\n"
+ "\t\t\t\"last_entry_secs_ago\": %ld,\n"
+ "\t\t\t\"update_every\": %d,\n"
+ "\t\t\t\"isdetail\": %d,\n"
+ "\t\t\t\"usec_since_last_update\": %llu,\n"
+ "\t\t\t\"collected_total\": " TOTAL_NUMBER_FORMAT ",\n"
+ "\t\t\t\"last_collected_total\": " TOTAL_NUMBER_FORMAT ",\n"
+ "\t\t\t\"dimensions\": [\n"
+ , st->id
+ , st->name
+ , st->type
+ , st->family
+ , st->context
+ , st->title
+ , st->priority
+ , rrdset_flag_check(st, RRDSET_FLAG_ENABLED)?1:0
+ , st->units
+ , st->name, options?options:""
+ , rrdset_type_name(st->chart_type)
+ , st->counter
+ , st->entries
+ , rrdset_first_entry_t(st)
+ , rrdset_last_slot(st)
+ , rrdset_last_entry_t(st)
+ , (now < rrdset_last_entry_t(st)) ? (time_t)0 : now - rrdset_last_entry_t(st)
+ , st->update_every
+ , rrdset_flag_check(st, RRDSET_FLAG_DETAIL)?1:0
+ , st->usec_since_last_update
+ , st->collected_total
+ , st->last_collected_total
+ );
+
+ unsigned long memory = st->memsize;
+
+ RRDDIM *rd;
+ rrddim_foreach_read(rd, st) {
+
+ memory += rd->memsize;
+
+ buffer_sprintf(wb,
+ "\t\t\t\t{\n"
+ "\t\t\t\t\t\"id\": \"%s\",\n"
+ "\t\t\t\t\t\"name\": \"%s\",\n"
+ "\t\t\t\t\t\"entries\": %ld,\n"
+ "\t\t\t\t\t\"isHidden\": %d,\n"
+ "\t\t\t\t\t\"algorithm\": \"%s\",\n"
+ "\t\t\t\t\t\"multiplier\": " COLLECTED_NUMBER_FORMAT ",\n"
+ "\t\t\t\t\t\"divisor\": " COLLECTED_NUMBER_FORMAT ",\n"
+ "\t\t\t\t\t\"last_entry_t\": %ld,\n"
+ "\t\t\t\t\t\"collected_value\": " COLLECTED_NUMBER_FORMAT ",\n"
+ "\t\t\t\t\t\"calculated_value\": " CALCULATED_NUMBER_FORMAT ",\n"
+ "\t\t\t\t\t\"last_collected_value\": " COLLECTED_NUMBER_FORMAT ",\n"
+ "\t\t\t\t\t\"last_calculated_value\": " CALCULATED_NUMBER_FORMAT ",\n"
+ "\t\t\t\t\t\"memory\": %lu\n"
+ "\t\t\t\t}%s\n"
+ , rd->id
+ , rd->name
+ , rd->entries
+ , rrddim_flag_check(rd, RRDDIM_FLAG_HIDDEN)?1:0
+ , rrd_algorithm_name(rd->algorithm)
+ , rd->multiplier
+ , rd->divisor
+ , rd->last_collected_time.tv_sec
+ , rd->collected_value
+ , rd->calculated_value
+ , rd->last_collected_value
+ , rd->last_calculated_value
+ , rd->memsize
+ , rd->next?",":""
+ );
+ }
+
+ buffer_sprintf(wb,
+ "\t\t\t],\n"
+ "\t\t\t\"memory\" : %lu\n"
+ "\t\t}"
+ , memory
+ );
+
+ rrdset_unlock(st);
+ return memory;
+}
+
+#define RRD_GRAPH_JSON_HEADER "{\n\t\"charts\": [\n"
+#define RRD_GRAPH_JSON_FOOTER "\n\t]\n}\n"
+
+void rrd_graph2json_api_old(RRDSET *st, char *options, BUFFER *wb)
+{
+ buffer_strcat(wb, RRD_GRAPH_JSON_HEADER);
+ rrdset_info2json_api_old(st, options, wb);
+ buffer_strcat(wb, RRD_GRAPH_JSON_FOOTER);
+}
+
+void rrd_all2json_api_old(RRDHOST *host, BUFFER *wb)
+{
+ unsigned long memory = 0;
+ long c = 0;
+ RRDSET *st;
+
+ time_t now = now_realtime_sec();
+
+ buffer_strcat(wb, RRD_GRAPH_JSON_HEADER);
+
+ rrdhost_rdlock(host);
+ rrdset_foreach_read(st, host) {
+ if(rrdset_is_available_for_viewers(st)) {
+ if(c) buffer_strcat(wb, ",\n");
+ memory += rrdset_info2json_api_old(st, NULL, wb);
+
+ c++;
+ st->last_accessed_time = now;
+ }
+ }
+ rrdhost_unlock(host);
+
+ buffer_sprintf(wb, "\n\t],\n"
+ "\t\"hostname\": \"%s\",\n"
+ "\t\"update_every\": %d,\n"
+ "\t\"history\": %d,\n"
+ "\t\"memory\": %lu\n"
+ "}\n"
+ , host->hostname
+ , host->rrd_update_every
+ , host->rrd_history_entries
+ , memory
+ );
+}
+
+time_t rrdset2json_api_old(
+ int type
+ , RRDSET *st
+ , BUFFER *wb
+ , long points
+ , long group
+ , int group_method
+ , time_t after
+ , time_t before
+ , int only_non_zero
+) {
+ int c;
+ rrdset_rdlock(st);
+
+ st->last_accessed_time = now_realtime_sec();
+
+ // -------------------------------------------------------------------------
+ // switch from JSON to google JSON
+
+ char kq[2] = "\"";
+ char sq[2] = "\"";
+ switch(type) {
+ case DATASOURCE_DATATABLE_JSON:
+ case DATASOURCE_DATATABLE_JSONP:
+ kq[0] = '\0';
+ sq[0] = '\'';
+ break;
+
+ case DATASOURCE_JSON:
+ default:
+ break;
+ }
+
+
+ // -------------------------------------------------------------------------
+ // validate the parameters
+
+ if(points < 1) points = 1;
+ if(group < 1) group = 1;
+
+ if(before == 0 || before > rrdset_last_entry_t(st)) before = rrdset_last_entry_t(st);
+ if(after == 0 || after < rrdset_first_entry_t(st)) after = rrdset_first_entry_t(st);
+
+ // ---
+
+ // our return value (the last timestamp printed)
+ // this is required to detect re-transmit in google JSONP
+ time_t last_timestamp = 0;
+
+
+ // -------------------------------------------------------------------------
+ // find how many dimensions we have
+
+ int dimensions = 0;
+ RRDDIM *rd;
+ rrddim_foreach_read(rd, st) dimensions++;
+ if(!dimensions) {
+ rrdset_unlock(st);
+ buffer_strcat(wb, "No dimensions yet.");
+ return 0;
+ }
+
+
+ // -------------------------------------------------------------------------
+ // prepare various strings, to speed up the loop
+
+ char overflow_annotation[201]; snprintfz(overflow_annotation, 200, ",{%sv%s:%sRESET OR OVERFLOW%s},{%sv%s:%sThe counters have been wrapped.%s}", kq, kq, sq, sq, kq, kq, sq, sq);
+ char normal_annotation[201]; snprintfz(normal_annotation, 200, ",{%sv%s:null},{%sv%s:null}", kq, kq, kq, kq);
+ char pre_date[51]; snprintfz(pre_date, 50, " {%sc%s:[{%sv%s:%s", kq, kq, kq, kq, sq);
+ char post_date[21]; snprintfz(post_date, 20, "%s}", sq);
+ char pre_value[21]; snprintfz(pre_value, 20, ",{%sv%s:", kq, kq);
+ char post_value[21]; strcpy(post_value, "}");
+
+
+ // -------------------------------------------------------------------------
+ // checks for debugging
+
+ if(rrdset_flag_check(st, RRDSET_FLAG_DEBUG)) {
+ debug(D_RRD_STATS, "%s first_entry_t = %ld, last_entry_t = %ld, duration = %ld, after = %ld, before = %ld, duration = %ld, entries_to_show = %ld, group = %ld"
+ , st->id
+ , rrdset_first_entry_t(st)
+ , rrdset_last_entry_t(st)
+ , rrdset_last_entry_t(st) - rrdset_first_entry_t(st)
+ , after
+ , before
+ , before - after
+ , points
+ , group
+ );
+
+ if(before < after)
+ debug(D_RRD_STATS, "WARNING: %s The newest value in the database (%ld) is earlier than the oldest (%ld)", st->name, before, after);
+
+ if((before - after) > st->entries * st->update_every)
+ debug(D_RRD_STATS, "WARNING: %s The time difference between the oldest and the newest entries (%ld) is higher than the capacity of the database (%ld)", st->name, before - after, st->entries * st->update_every);
+ }
+
+
+ // -------------------------------------------------------------------------
+ // temp arrays for keeping values per dimension
+
+ calculated_number group_values[dimensions]; // keep sums when grouping
+ int print_hidden[dimensions]; // keep hidden flags
+ int found_non_zero[dimensions];
+ int found_non_existing[dimensions];
+
+ // initialize them
+ for( rd = st->dimensions, c = 0 ; rd && c < dimensions ; rd = rd->next, c++) {
+ group_values[c] = 0;
+ print_hidden[c] = rrddim_flag_check(rd, RRDDIM_FLAG_HIDDEN)?1:0;
+ found_non_zero[c] = 0;
+ found_non_existing[c] = 0;
+ }
+
+
+ // error("OLD: points=%d after=%d before=%d group=%d, duration=%d", entries_to_show, before - (st->update_every * group * entries_to_show), before, group, before - after + 1);
+ // rrd2array(st, entries_to_show, before - (st->update_every * group * entries_to_show), before, group_method, only_non_zero);
+ // rrd2rrdr(st, entries_to_show, before - (st->update_every * group * entries_to_show), before, group_method);
+
+ // -------------------------------------------------------------------------
+ // remove dimensions that contain only zeros
+
+ int max_loop = 1;
+ if(only_non_zero) max_loop = 2;
+
+ for(; max_loop ; max_loop--) {
+
+ // -------------------------------------------------------------------------
+ // print the JSON header
+
+ buffer_sprintf(wb, "{\n %scols%s:\n [\n", kq, kq);
+ buffer_sprintf(wb, " {%sid%s:%s%s,%slabel%s:%stime%s,%spattern%s:%s%s,%stype%s:%sdatetime%s},\n", kq, kq, sq, sq, kq, kq, sq, sq, kq, kq, sq, sq, kq, kq, sq, sq);
+ buffer_sprintf(wb, " {%sid%s:%s%s,%slabel%s:%s%s,%spattern%s:%s%s,%stype%s:%sstring%s,%sp%s:{%srole%s:%sannotation%s}},\n", kq, kq, sq, sq, kq, kq, sq, sq, kq, kq, sq, sq, kq, kq, sq, sq, kq, kq, kq, kq, sq, sq);
+ buffer_sprintf(wb, " {%sid%s:%s%s,%slabel%s:%s%s,%spattern%s:%s%s,%stype%s:%sstring%s,%sp%s:{%srole%s:%sannotationText%s}}", kq, kq, sq, sq, kq, kq, sq, sq, kq, kq, sq, sq, kq, kq, sq, sq, kq, kq, kq, kq, sq, sq);
+
+ // print the header for each dimension
+ // and update the print_hidden array for the dimensions that should be hidden
+ int pc = 0;
+ for( rd = st->dimensions, c = 0 ; rd && c < dimensions ; rd = rd->next, c++) {
+ if(!print_hidden[c]) {
+ pc++;
+ buffer_sprintf(wb, ",\n {%sid%s:%s%s,%slabel%s:%s%s%s,%spattern%s:%s%s,%stype%s:%snumber%s}", kq, kq, sq, sq, kq, kq, sq, rd->name, sq, kq, kq, sq, sq, kq, kq, sq, sq);
+ }
+ }
+ if(!pc) {
+ buffer_sprintf(wb, ",\n {%sid%s:%s%s,%slabel%s:%s%s%s,%spattern%s:%s%s,%stype%s:%snumber%s}", kq, kq, sq, sq, kq, kq, sq, "no data", sq, kq, kq, sq, sq, kq, kq, sq, sq);
+ }
+
+ // print the begin of row data
+ buffer_sprintf(wb, "\n ],\n %srows%s:\n [\n", kq, kq);
+
+
+ // -------------------------------------------------------------------------
+ // the main loop
+
+ int annotate_reset = 0;
+ int annotation_count = 0;
+
+ long t = rrdset_time2slot(st, before),
+ stop_at_t = rrdset_time2slot(st, after),
+ stop_now = 0;
+
+ t -= t % group;
+
+ time_t now = rrdset_slot2time(st, t),
+ dt = st->update_every;
+
+ long count = 0, printed = 0, group_count = 0;
+ last_timestamp = 0;
+
+ if(unlikely(rrdset_flag_check(st, RRDSET_FLAG_DEBUG)))
+ debug(D_RRD_STATS, "%s: REQUEST after:%u before:%u, points:%ld, group:%ld, CHART cur:%ld first: %u last:%u, CALC start_t:%ld, stop_t:%ld"
+ , st->id
+ , (uint32_t)after
+ , (uint32_t)before
+ , points
+ , group
+ , st->current_entry
+ , (uint32_t)rrdset_first_entry_t(st)
+ , (uint32_t)rrdset_last_entry_t(st)
+ , t
+ , stop_at_t
+ );
+
+ long counter = 0;
+ for(; !stop_now ; now -= dt, t--, counter++) {
+ if(t < 0) t = st->entries - 1;
+ if(t == stop_at_t) stop_now = counter;
+
+ int print_this = 0;
+
+ if(unlikely(rrdset_flag_check(st, RRDSET_FLAG_DEBUG)))
+ debug(D_RRD_STATS, "%s t = %ld, count = %ld, group_count = %ld, printed = %ld, now = %ld, %s %s"
+ , st->id
+ , t
+ , count + 1
+ , group_count + 1
+ , printed
+ , now
+ , (group_count + 1 == group)?"PRINT":" - "
+ , (now >= after && now <= before)?"RANGE":" - "
+ );
+
+
+ // make sure we return data in the proper time range
+ if(now > before) continue;
+ if(now < after) break;
+
+ //if(rrdset_slot2time(st, t) != now)
+ // error("%s: slot=%ld, now=%ld, slot2time=%ld, diff=%ld, last_entry_t=%ld, rrdset_last_slot=%ld", st->id, t, now, rrdset_slot2time(st,t), now - rrdset_slot2time(st,t), rrdset_last_entry_t(st), rrdset_last_slot(st));
+
+ count++;
+ group_count++;
+
+ // check if we have to print this now
+ if(group_count == group) {
+ if(printed >= points) {
+ // debug(D_RRD_STATS, "Already printed all rows. Stopping.");
+ break;
+ }
+
+ // generate the local date time
+ struct tm tmbuf, *tm = localtime_r(&now, &tmbuf);
+ if(!tm) { error("localtime() failed."); continue; }
+ if(now > last_timestamp) last_timestamp = now;
+
+ if(printed) buffer_strcat(wb, "]},\n");
+ buffer_strcat(wb, pre_date);
+ buffer_jsdate(wb, tm->tm_year + 1900, tm->tm_mon, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec);
+ buffer_strcat(wb, post_date);
+
+ print_this = 1;
+ }
+
+ // do the calculations
+ for(rd = st->dimensions, c = 0 ; rd && c < dimensions ; rd = rd->next, c++) {
+ storage_number n = rd->values[t];
+ calculated_number value = unpack_storage_number(n);
+
+ if(!does_storage_number_exist(n)) {
+ value = 0.0;
+ found_non_existing[c]++;
+ }
+ if(did_storage_number_reset(n)) annotate_reset = 1;
+
+ switch(group_method) {
+ case GROUP_MAX:
+ if(abs(value) > abs(group_values[c])) group_values[c] = value;
+ break;
+
+ case GROUP_SUM:
+ group_values[c] += value;
+ break;
+
+ default:
+ case GROUP_AVERAGE:
+ group_values[c] += value;
+ if(print_this) group_values[c] /= ( group_count - found_non_existing[c] );
+ break;
+ }
+ }
+
+ if(print_this) {
+ if(annotate_reset) {
+ annotation_count++;
+ buffer_strcat(wb, overflow_annotation);
+ annotate_reset = 0;
+ }
+ else
+ buffer_strcat(wb, normal_annotation);
+
+ pc = 0;
+ for(c = 0 ; c < dimensions ; c++) {
+ if(found_non_existing[c] == group_count) {
+ // all entries are non-existing
+ pc++;
+ buffer_strcat(wb, pre_value);
+ buffer_strcat(wb, "null");
+ buffer_strcat(wb, post_value);
+ }
+ else if(!print_hidden[c]) {
+ pc++;
+ buffer_strcat(wb, pre_value);
+ buffer_rrd_value(wb, group_values[c]);
+ buffer_strcat(wb, post_value);
+
+ if(group_values[c]) found_non_zero[c]++;
+ }
+
+ // reset them for the next loop
+ group_values[c] = 0;
+ found_non_existing[c] = 0;
+ }
+
+ // if all dimensions are hidden, print a null
+ if(!pc) {
+ buffer_strcat(wb, pre_value);
+ buffer_strcat(wb, "null");
+ buffer_strcat(wb, post_value);
+ }
+
+ printed++;
+ group_count = 0;
+ }
+ }
+
+ if(printed) buffer_strcat(wb, "]}");
+ buffer_strcat(wb, "\n ]\n}\n");
+
+ if(only_non_zero && max_loop > 1) {
+ int changed = 0;
+ for(rd = st->dimensions, c = 0 ; rd && c < dimensions ; rd = rd->next, c++) {
+ group_values[c] = 0;
+ found_non_existing[c] = 0;
+
+ if(!print_hidden[c] && !found_non_zero[c]) {
+ changed = 1;
+ print_hidden[c] = 1;
+ }
+ }
+
+ if(changed) buffer_flush(wb);
+ else break;
+ }
+ else break;
+
+ } // max_loop
+
+ debug(D_RRD_STATS, "RRD_STATS_JSON: %s total %zu bytes", st->name, wb->len);
+
+ rrdset_unlock(st);
+ return last_timestamp;
+}
projects / netdata.git / commitdiff