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authorDaniel Baumann <daniel.baumann@progress-linux.org>2018-11-07 12:19:29 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2018-11-07 12:20:17 +0000
commita64a253794ac64cb40befee54db53bde17dd0d49 (patch)
treec1024acc5f6e508814b944d99f112259bb28b1be /src/rrd2json.c
parentNew upstream version 1.10.0+dfsg (diff)
downloadnetdata-a64a253794ac64cb40befee54db53bde17dd0d49.tar.xz
netdata-a64a253794ac64cb40befee54db53bde17dd0d49.zip
New upstream version 1.11.0+dfsgupstream/1.11.0+dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/rrd2json.c')
-rw-r--r--src/rrd2json.c2059
1 files changed, 0 insertions, 2059 deletions
diff --git a/src/rrd2json.c b/src/rrd2json.c
deleted file mode 100644
index 24b3da340..000000000
--- a/src/rrd2json.c
+++ /dev/null
@@ -1,2059 +0,0 @@
-#include "common.h"
-
-void rrd_stats_api_v1_chart_with_data(RRDSET *st, BUFFER *wb, size_t *dimensions_count, size_t *memory_used)
-{
- rrdset_rdlock(st);
-
- 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 (%s)\",\n"
- "\t\t\t\"priority\": %ld,\n"
- "\t\t\t\"plugin\": \"%s\",\n"
- "\t\t\t\"module\": \"%s\",\n"
- "\t\t\t\"enabled\": %s,\n"
- "\t\t\t\"units\": \"%s\",\n"
- "\t\t\t\"data_url\": \"/api/v1/data?chart=%s\",\n"
- "\t\t\t\"chart_type\": \"%s\",\n"
- "\t\t\t\"duration\": %ld,\n"
- "\t\t\t\"first_entry\": %ld,\n"
- "\t\t\t\"last_entry\": %ld,\n"
- "\t\t\t\"update_every\": %d,\n"
- "\t\t\t\"dimensions\": {\n"
- , st->id
- , st->name
- , st->type
- , st->family
- , st->context
- , st->title, st->name
- , st->priority
- , st->plugin_name?st->plugin_name:""
- , st->module_name?st->module_name:""
- , rrdset_flag_check(st, RRDSET_FLAG_ENABLED)?"true":"false"
- , st->units
- , st->name
- , rrdset_type_name(st->chart_type)
- , st->entries * st->update_every
- , rrdset_first_entry_t(st)
- , rrdset_last_entry_t(st)
- , st->update_every
- );
-
- unsigned long memory = st->memsize;
-
- size_t dimensions = 0;
- RRDDIM *rd;
- rrddim_foreach_read(rd, st) {
- if(rrddim_flag_check(rd, RRDDIM_FLAG_HIDDEN)) continue;
-
- memory += rd->memsize;
-
- buffer_sprintf(
- wb
- , "%s"
- "\t\t\t\t\"%s\": { \"name\": \"%s\" }"
- , dimensions ? ",\n" : ""
- , rd->id
- , rd->name
- );
-
- dimensions++;
- }
-
- if(dimensions_count) *dimensions_count += dimensions;
- if(memory_used) *memory_used += memory;
-
- buffer_strcat(wb, "\n\t\t\t},\n\t\t\t\"green\": ");
- buffer_rrd_value(wb, st->green);
- buffer_strcat(wb, ",\n\t\t\t\"red\": ");
- buffer_rrd_value(wb, st->red);
-
- buffer_strcat(wb, ",\n\t\t\t\"alarms\": {\n");
- size_t alarms = 0;
- RRDCALC *rc;
- for(rc = st->alarms; rc ; rc = rc->rrdset_next) {
-
- buffer_sprintf(
- wb
- , "%s"
- "\t\t\t\t\"%s\": {\n"
- "\t\t\t\t\t\"id\": %u,\n"
- "\t\t\t\t\t\"status\": \"%s\",\n"
- "\t\t\t\t\t\"units\": \"%s\",\n"
- "\t\t\t\t\t\"update_every\": %d\n"
- "\t\t\t\t}"
- , (alarms) ? ",\n" : ""
- , rc->name
- , rc->id
- , rrdcalc_status2string(rc->status)
- , rc->units
- , rc->update_every
- );
-
- alarms++;
- }
-
- buffer_sprintf(wb,
- "\n\t\t\t}\n\t\t}"
- );
-
- rrdset_unlock(st);
-}
-
-void rrd_stats_api_v1_chart(RRDSET *st, BUFFER *wb) {
- rrd_stats_api_v1_chart_with_data(st, wb, NULL, NULL);
-}
-
-void rrd_stats_api_v1_charts(RRDHOST *host, BUFFER *wb) {
- static char *custom_dashboard_info_js_filename = NULL;
- size_t c, dimensions = 0, memory = 0, alarms = 0;
- RRDSET *st;
-
- time_t now = now_realtime_sec();
-
- if(unlikely(!custom_dashboard_info_js_filename))
- custom_dashboard_info_js_filename = config_get(CONFIG_SECTION_WEB, "custom dashboard_info.js", "");
-
- buffer_sprintf(wb, "{\n"
- "\t\"hostname\": \"%s\""
- ",\n\t\"version\": \"%s\""
- ",\n\t\"os\": \"%s\""
- ",\n\t\"timezone\": \"%s\""
- ",\n\t\"update_every\": %d"
- ",\n\t\"history\": %ld"
- ",\n\t\"custom_info\": \"%s\""
- ",\n\t\"charts\": {"
- , host->hostname
- , host->program_version
- , host->os
- , host->timezone
- , host->rrd_update_every
- , host->rrd_history_entries
- , custom_dashboard_info_js_filename
- );
-
- c = 0;
- rrdhost_rdlock(host);
- rrdset_foreach_read(st, host) {
- if(rrdset_is_available_for_viewers(st)) {
- if(c) buffer_strcat(wb, ",");
- buffer_strcat(wb, "\n\t\t\"");
- buffer_strcat(wb, st->id);
- buffer_strcat(wb, "\": ");
- rrd_stats_api_v1_chart_with_data(st, wb, &dimensions, &memory);
-
- c++;
- st->last_accessed_time = now;
- }
- }
-
- RRDCALC *rc;
- for(rc = host->alarms; rc ; rc = rc->next) {
- if(rc->rrdset)
- alarms++;
- }
- rrdhost_unlock(host);
-
- buffer_sprintf(wb
- , "\n\t}"
- ",\n\t\"charts_count\": %zu"
- ",\n\t\"dimensions_count\": %zu"
- ",\n\t\"alarms_count\": %zu"
- ",\n\t\"rrd_memory_bytes\": %zu"
- ",\n\t\"hosts_count\": %zu"
- ",\n\t\"hosts\": ["
- , c
- , dimensions
- , alarms
- , memory
- , rrd_hosts_available
- );
-
- if(unlikely(rrd_hosts_available > 1)) {
- rrd_rdlock();
-
- size_t found = 0;
- RRDHOST *h;
- rrdhost_foreach_read(h) {
- if(!rrdhost_should_be_removed(h, host, now)) {
- buffer_sprintf(wb
- , "%s\n\t\t{"
- "\n\t\t\t\"hostname\": \"%s\""
- "\n\t\t}"
- , (found > 0) ? "," : ""
- , h->hostname
- );
-
- found++;
- }
- }
-
- rrd_unlock();
- }
- else {
- buffer_sprintf(wb
- , "\n\t\t{"
- "\n\t\t\t\"hostname\": \"%s\""
- "\n\t\t}"
- , host->hostname
- );
- }
-
- buffer_sprintf(wb, "\n\t]\n}\n");
-}
-
-// ----------------------------------------------------------------------------
-// BASH
-// /api/v1/allmetrics?format=bash
-
-static inline size_t shell_name_copy(char *d, const char *s, size_t usable) {
- size_t n;
-
- for(n = 0; *s && n < usable ; d++, s++, n++) {
- register char c = *s;
-
- if(unlikely(!isalnum(c))) *d = '_';
- else *d = (char)toupper(c);
- }
- *d = '\0';
-
- return n;
-}
-
-#define SHELL_ELEMENT_MAX 100
-
-void rrd_stats_api_v1_charts_allmetrics_shell(RRDHOST *host, BUFFER *wb) {
- rrdhost_rdlock(host);
-
- // for each chart
- RRDSET *st;
- rrdset_foreach_read(st, host) {
- calculated_number total = 0.0;
- char chart[SHELL_ELEMENT_MAX + 1];
- shell_name_copy(chart, st->name?st->name:st->id, SHELL_ELEMENT_MAX);
-
- buffer_sprintf(wb, "\n# chart: %s (name: %s)\n", st->id, st->name);
- if(rrdset_is_available_for_viewers(st)) {
- rrdset_rdlock(st);
-
- // for each dimension
- RRDDIM *rd;
- rrddim_foreach_read(rd, st) {
- if(rd->collections_counter) {
- char dimension[SHELL_ELEMENT_MAX + 1];
- shell_name_copy(dimension, rd->name?rd->name:rd->id, SHELL_ELEMENT_MAX);
-
- calculated_number n = rd->last_stored_value;
-
- if(isnan(n) || isinf(n))
- buffer_sprintf(wb, "NETDATA_%s_%s=\"\" # %s\n", chart, dimension, st->units);
- else {
- if(rd->multiplier < 0 || rd->divisor < 0) n = -n;
- n = calculated_number_round(n);
- if(!rrddim_flag_check(rd, RRDDIM_FLAG_HIDDEN)) total += n;
- buffer_sprintf(wb, "NETDATA_%s_%s=\"" CALCULATED_NUMBER_FORMAT_ZERO "\" # %s\n", chart, dimension, n, st->units);
- }
- }
- }
-
- total = calculated_number_round(total);
- buffer_sprintf(wb, "NETDATA_%s_VISIBLETOTAL=\"" CALCULATED_NUMBER_FORMAT_ZERO "\" # %s\n", chart, total, st->units);
- rrdset_unlock(st);
- }
- }
-
- buffer_strcat(wb, "\n# NETDATA ALARMS RUNNING\n");
-
- RRDCALC *rc;
- for(rc = host->alarms; rc ;rc = rc->next) {
- if(!rc->rrdset) continue;
-
- char chart[SHELL_ELEMENT_MAX + 1];
- shell_name_copy(chart, rc->rrdset->name?rc->rrdset->name:rc->rrdset->id, SHELL_ELEMENT_MAX);
-
- char alarm[SHELL_ELEMENT_MAX + 1];
- shell_name_copy(alarm, rc->name, SHELL_ELEMENT_MAX);
-
- calculated_number n = rc->value;
-
- if(isnan(n) || isinf(n))
- buffer_sprintf(wb, "NETDATA_ALARM_%s_%s_VALUE=\"\" # %s\n", chart, alarm, rc->units);
- else {
- n = calculated_number_round(n);
- buffer_sprintf(wb, "NETDATA_ALARM_%s_%s_VALUE=\"" CALCULATED_NUMBER_FORMAT_ZERO "\" # %s\n", chart, alarm, n, rc->units);
- }
-
- buffer_sprintf(wb, "NETDATA_ALARM_%s_%s_STATUS=\"%s\"\n", chart, alarm, rrdcalc_status2string(rc->status));
- }
-
- rrdhost_unlock(host);
-}
-
-// ----------------------------------------------------------------------------
-
-void rrd_stats_api_v1_charts_allmetrics_json(RRDHOST *host, BUFFER *wb) {
- rrdhost_rdlock(host);
-
- buffer_strcat(wb, "{");
-
- size_t chart_counter = 0;
- size_t dimension_counter = 0;
-
- // for each chart
- RRDSET *st;
- rrdset_foreach_read(st, host) {
- if(rrdset_is_available_for_viewers(st)) {
- rrdset_rdlock(st);
-
- buffer_sprintf(wb, "%s\n"
- "\t\"%s\": {\n"
- "\t\t\"name\":\"%s\",\n"
- "\t\t\"context\":\"%s\",\n"
- "\t\t\"units\":\"%s\",\n"
- "\t\t\"last_updated\": %ld,\n"
- "\t\t\"dimensions\": {"
- , chart_counter?",":""
- , st->id
- , st->name
- , st->context
- , st->units
- , rrdset_last_entry_t(st)
- );
-
- chart_counter++;
- dimension_counter = 0;
-
- // for each dimension
- RRDDIM *rd;
- rrddim_foreach_read(rd, st) {
- if(rd->collections_counter) {
-
- buffer_sprintf(wb, "%s\n"
- "\t\t\t\"%s\": {\n"
- "\t\t\t\t\"name\": \"%s\",\n"
- "\t\t\t\t\"value\": "
- , dimension_counter?",":""
- , rd->id
- , rd->name
- );
-
- if(isnan(rd->last_stored_value))
- buffer_strcat(wb, "null");
- else
- buffer_sprintf(wb, CALCULATED_NUMBER_FORMAT, rd->last_stored_value);
-
- buffer_strcat(wb, "\n\t\t\t}");
-
- dimension_counter++;
- }
- }
-
- buffer_strcat(wb, "\n\t\t}\n\t}");
- rrdset_unlock(st);
- }
- }
-
- buffer_strcat(wb, "\n}");
- rrdhost_unlock(host);
-}
-
-// ----------------------------------------------------------------------------
-
-// RRDR dimension options
-#define RRDR_EMPTY 0x01 // the dimension contains / the value is empty (null)
-#define RRDR_RESET 0x02 // the dimension contains / the value is reset
-#define RRDR_HIDDEN 0x04 // the dimension contains / the value is hidden
-#define RRDR_NONZERO 0x08 // the dimension contains / the value is non-zero
-#define RRDR_SELECTED 0x10 // the dimension is selected
-
-// RRDR result options
-#define RRDR_RESULT_OPTION_ABSOLUTE 0x00000001
-#define RRDR_RESULT_OPTION_RELATIVE 0x00000002
-
-typedef struct rrdresult {
- RRDSET *st; // the chart this result refers to
-
- uint32_t result_options; // RRDR_RESULT_OPTION_*
-
- int d; // the number of dimensions
- long n; // the number of values in the arrays
- long rows; // the number of rows used
-
- uint8_t *od; // the options for the dimensions
-
- time_t *t; // array of n timestamps
- calculated_number *v; // array n x d values
- uint8_t *o; // array n x d options
-
- long c; // current line ( -1 ~ n ), ( -1 = none, use rrdr_rows() to get number of rows )
-
- long group; // how many collected values were grouped for each row
- int update_every; // what is the suggested update frequency in seconds
-
- calculated_number min;
- calculated_number max;
-
- time_t before;
- time_t after;
-
- int has_st_lock; // if st is read locked by us
-} RRDR;
-
-#define rrdr_rows(r) ((r)->rows)
-
-/*
-static void rrdr_dump(RRDR *r)
-{
- long c, i;
- RRDDIM *d;
-
- fprintf(stderr, "\nCHART %s (%s)\n", r->st->id, r->st->name);
-
- for(c = 0, d = r->st->dimensions; d ;c++, d = d->next) {
- fprintf(stderr, "DIMENSION %s (%s), %s%s%s%s\n"
- , d->id
- , d->name
- , (r->od[c] & RRDR_EMPTY)?"EMPTY ":""
- , (r->od[c] & RRDR_RESET)?"RESET ":""
- , (r->od[c] & RRDR_HIDDEN)?"HIDDEN ":""
- , (r->od[c] & RRDR_NONZERO)?"NONZERO ":""
- );
- }
-
- if(r->rows <= 0) {
- fprintf(stderr, "RRDR does not have any values in it.\n");
- return;
- }
-
- fprintf(stderr, "RRDR includes %d values in it:\n", r->rows);
-
- // for each line in the array
- for(i = 0; i < r->rows ;i++) {
- calculated_number *cn = &r->v[ i * r->d ];
- uint8_t *co = &r->o[ i * r->d ];
-
- // print the id and the timestamp of the line
- fprintf(stderr, "%ld %ld ", i + 1, r->t[i]);
-
- // for each dimension
- for(c = 0, d = r->st->dimensions; d ;c++, d = d->next) {
- if(unlikely(r->od[c] & RRDR_HIDDEN)) continue;
- if(unlikely(!(r->od[c] & RRDR_NONZERO))) continue;
-
- if(co[c] & RRDR_EMPTY)
- fprintf(stderr, "null ");
- else
- fprintf(stderr, CALCULATED_NUMBER_FORMAT " %s%s%s%s "
- , cn[c]
- , (co[c] & RRDR_EMPTY)?"E":" "
- , (co[c] & RRDR_RESET)?"R":" "
- , (co[c] & RRDR_HIDDEN)?"H":" "
- , (co[c] & RRDR_NONZERO)?"N":" "
- );
- }
-
- fprintf(stderr, "\n");
- }
-}
-*/
-
-void rrdr_disable_not_selected_dimensions(RRDR *r, uint32_t options, const char *dims) {
- rrdset_check_rdlock(r->st);
-
- if(unlikely(!dims || !*dims || (dims[0] == '*' && dims[1] == '\0'))) return;
-
- int match_ids = 0, match_names = 0;
-
- if(unlikely(options & RRDR_OPTION_MATCH_IDS))
- match_ids = 1;
- if(unlikely(options & RRDR_OPTION_MATCH_NAMES))
- match_names = 1;
-
- if(likely(!match_ids && !match_names))
- match_ids = match_names = 1;
-
- SIMPLE_PATTERN *pattern = simple_pattern_create(dims, ",|\t\r\n\f\v", SIMPLE_PATTERN_EXACT);
-
- RRDDIM *d;
- long c, dims_selected = 0, dims_not_hidden_not_zero = 0;
- for(c = 0, d = r->st->dimensions; d ;c++, d = d->next) {
- if( (match_ids && simple_pattern_matches(pattern, d->id))
- || (match_names && simple_pattern_matches(pattern, d->name))
- ) {
- r->od[c] |= RRDR_SELECTED;
- if(unlikely(r->od[c] & RRDR_HIDDEN)) r->od[c] &= ~RRDR_HIDDEN;
- dims_selected++;
-
- // since the user needs this dimension
- // make it appear as NONZERO, to return it
- // even if the dimension has only zeros
- // unless option non_zero is set
- if(unlikely(!(options & RRDR_OPTION_NONZERO)))
- r->od[c] |= RRDR_NONZERO;
-
- // count the visible dimensions
- if(likely(r->od[c] & RRDR_NONZERO))
- dims_not_hidden_not_zero++;
- }
- else {
- r->od[c] |= RRDR_HIDDEN;
- if(unlikely(r->od[c] & RRDR_SELECTED)) r->od[c] &= ~RRDR_SELECTED;
- }
- }
- simple_pattern_free(pattern);
-
- // check if all dimensions are hidden
- if(unlikely(!dims_not_hidden_not_zero && dims_selected)) {
- // there are a few selected dimensions
- // but they are all zero
- // enable the selected ones
- // to avoid returning an empty chart
- for(c = 0, d = r->st->dimensions; d ;c++, d = d->next)
- if(unlikely(r->od[c] & RRDR_SELECTED))
- r->od[c] |= RRDR_NONZERO;
- }
-}
-
-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;
- }
-}
-
-uint32_t rrdr_check_options(RRDR *r, uint32_t options, const char *dims)
-{
- rrdset_check_rdlock(r->st);
-
- (void)dims;
-
- if(options & RRDR_OPTION_NONZERO) {
- long i;
-
- // commented due to #1514
-
- //if(dims && *dims) {
- // the caller wants specific dimensions
- // disable NONZERO option
- // to make sure we don't accidentally prevent
- // the specific dimensions from being returned
- // i = 0;
- //}
- //else {
- // find how many dimensions are not zero
- long c;
- RRDDIM *rd;
- for(c = 0, i = 0, rd = r->st->dimensions; rd && c < r->d ; c++, rd = rd->next) {
- if(unlikely(r->od[c] & RRDR_HIDDEN)) continue;
- if(unlikely(!(r->od[c] & RRDR_NONZERO))) continue;
- i++;
- }
- //}
-
- // if with nonzero we get i = 0 (no dimensions will be returned)
- // disable nonzero to show all dimensions
- if(!i) options &= ~RRDR_OPTION_NONZERO;
- }
-
- return options;
-}
-
-void rrdr_json_wrapper_begin(RRDR *r, BUFFER *wb, uint32_t format, uint32_t options, int string_value)
-{
- rrdset_check_rdlock(r->st);
-
- long rows = rrdr_rows(r);
- long c, i;
- RRDDIM *rd;
-
- //info("JSONWRAPPER(): %s: BEGIN", r->st->id);
- char kq[2] = "", // key quote
- sq[2] = ""; // string quote
-
- if( options & RRDR_OPTION_GOOGLE_JSON ) {
- kq[0] = '\0';
- sq[0] = '\'';
- }
- else {
- kq[0] = '"';
- sq[0] = '"';
- }
-
- buffer_sprintf(wb, "{\n"
- " %sapi%s: 1,\n"
- " %sid%s: %s%s%s,\n"
- " %sname%s: %s%s%s,\n"
- " %sview_update_every%s: %d,\n"
- " %supdate_every%s: %d,\n"
- " %sfirst_entry%s: %u,\n"
- " %slast_entry%s: %u,\n"
- " %sbefore%s: %u,\n"
- " %safter%s: %u,\n"
- " %sdimension_names%s: ["
- , kq, kq
- , kq, kq, sq, r->st->id, sq
- , kq, kq, sq, r->st->name, sq
- , kq, kq, r->update_every
- , kq, kq, r->st->update_every
- , kq, kq, (uint32_t)rrdset_first_entry_t(r->st)
- , kq, kq, (uint32_t)rrdset_last_entry_t(r->st)
- , kq, kq, (uint32_t)r->before
- , kq, kq, (uint32_t)r->after
- , kq, kq);
-
- for(c = 0, i = 0, rd = r->st->dimensions; rd && c < r->d ;c++, rd = rd->next) {
- if(unlikely(r->od[c] & RRDR_HIDDEN)) continue;
- if(unlikely((options & RRDR_OPTION_NONZERO) && !(r->od[c] & RRDR_NONZERO))) continue;
-
- if(i) buffer_strcat(wb, ", ");
- buffer_strcat(wb, sq);
- buffer_strcat(wb, rd->name);
- buffer_strcat(wb, sq);
- i++;
- }
- if(!i) {
-#ifdef NETDATA_INTERNAL_CHECKS
- error("RRDR is empty for %s (RRDR has %d dimensions, options is 0x%08x)", r->st->id, r->d, options);
-#endif
- rows = 0;
- buffer_strcat(wb, sq);
- buffer_strcat(wb, "no data");
- buffer_strcat(wb, sq);
- }
-
- buffer_sprintf(wb, "],\n"
- " %sdimension_ids%s: ["
- , kq, kq);
-
- for(c = 0, i = 0, rd = r->st->dimensions; rd && c < r->d ;c++, rd = rd->next) {
- if(unlikely(r->od[c] & RRDR_HIDDEN)) continue;
- if(unlikely((options & RRDR_OPTION_NONZERO) && !(r->od[c] & RRDR_NONZERO))) continue;
-
- if(i) buffer_strcat(wb, ", ");
- buffer_strcat(wb, sq);
- buffer_strcat(wb, rd->id);
- buffer_strcat(wb, sq);
- i++;
- }
- if(!i) {
- rows = 0;
- buffer_strcat(wb, sq);
- buffer_strcat(wb, "no data");
- buffer_strcat(wb, sq);
- }
-
- buffer_sprintf(wb, "],\n"
- " %slatest_values%s: ["
- , kq, kq);
-
- for(c = 0, i = 0, rd = r->st->dimensions; rd && c < r->d ;c++, rd = rd->next) {
- if(unlikely(r->od[c] & RRDR_HIDDEN)) continue;
- if(unlikely((options & RRDR_OPTION_NONZERO) && !(r->od[c] & RRDR_NONZERO))) continue;
-
- if(i) buffer_strcat(wb, ", ");
- i++;
-
- storage_number n = rd->values[rrdset_last_slot(r->st)];
-
- if(!does_storage_number_exist(n))
- buffer_strcat(wb, "null");
- else
- buffer_rrd_value(wb, unpack_storage_number(n));
- }
- if(!i) {
- rows = 0;
- buffer_strcat(wb, "null");
- }
-
- buffer_sprintf(wb, "],\n"
- " %sview_latest_values%s: ["
- , kq, kq);
-
- i = 0;
- if(rows) {
- calculated_number total = 1;
-
- if(unlikely(options & RRDR_OPTION_PERCENTAGE)) {
- total = 0;
- for(c = 0, rd = r->st->dimensions; rd && c < r->d ;c++, rd = rd->next) {
- calculated_number *cn = &r->v[ (0) * r->d ];
- calculated_number n = cn[c];
-
- if(likely((options & RRDR_OPTION_ABSOLUTE) && n < 0))
- n = -n;
-
- total += n;
- }
- // prevent a division by zero
- if(total == 0) total = 1;
- }
-
- for(c = 0, i = 0, rd = r->st->dimensions; rd && c < r->d ;c++, rd = rd->next) {
- if(unlikely(r->od[c] & RRDR_HIDDEN)) continue;
- if(unlikely((options & RRDR_OPTION_NONZERO) && !(r->od[c] & RRDR_NONZERO))) continue;
-
- if(i) buffer_strcat(wb, ", ");
- i++;
-
- calculated_number *cn = &r->v[ (0) * r->d ];
- uint8_t *co = &r->o[ (0) * r->d ];
- calculated_number n = cn[c];
-
- if(co[c] & RRDR_EMPTY) {
- if(options & RRDR_OPTION_NULL2ZERO)
- buffer_strcat(wb, "0");
- else
- buffer_strcat(wb, "null");
- }
- else {
- if(unlikely((options & RRDR_OPTION_ABSOLUTE) && n < 0))
- n = -n;
-
- if(unlikely(options & RRDR_OPTION_PERCENTAGE))
- n = n * 100 / total;
-
- buffer_rrd_value(wb, n);
- }
- }
- }
- if(!i) {
- rows = 0;
- buffer_strcat(wb, "null");
- }
-
- buffer_sprintf(wb, "],\n"
- " %sdimensions%s: %ld,\n"
- " %spoints%s: %ld,\n"
- " %sformat%s: %s"
- , kq, kq, i
- , kq, kq, rows
- , kq, kq, sq
- );
-
- rrdr_buffer_print_format(wb, format);
-
- buffer_sprintf(wb, "%s,\n"
- " %sresult%s: "
- , sq
- , kq, kq
- );
-
- if(string_value) buffer_strcat(wb, sq);
- //info("JSONWRAPPER(): %s: END", r->st->id);
-}
-
-void rrdr_json_wrapper_end(RRDR *r, BUFFER *wb, uint32_t format, uint32_t options, int string_value)
-{
- (void)format;
-
- char kq[2] = "", // key quote
- sq[2] = ""; // string quote
-
- if( options & RRDR_OPTION_GOOGLE_JSON ) {
- kq[0] = '\0';
- sq[0] = '\'';
- }
- else {
- kq[0] = '"';
- sq[0] = '"';
- }
-
- if(string_value) buffer_strcat(wb, sq);
-
- buffer_sprintf(wb, ",\n %smin%s: ", kq, kq);
- buffer_rrd_value(wb, r->min);
- buffer_sprintf(wb, ",\n %smax%s: ", kq, kq);
- buffer_rrd_value(wb, r->max);
- buffer_strcat(wb, "\n}\n");
-}
-
-#define JSON_DATES_JS 1
-#define JSON_DATES_TIMESTAMP 2
-
-static void rrdr2json(RRDR *r, BUFFER *wb, uint32_t options, int datatable)
-{
- rrdset_check_rdlock(r->st);
-
- //info("RRD2JSON(): %s: BEGIN", r->st->id);
- int row_annotations = 0, dates, dates_with_new = 0;
- char kq[2] = "", // key quote
- sq[2] = "", // string quote
- pre_label[101] = "", // before each label
- post_label[101] = "", // after each label
- pre_date[101] = "", // the beginning of line, to the date
- post_date[101] = "", // closing the date
- pre_value[101] = "", // before each value
- post_value[101] = "", // after each value
- post_line[101] = "", // at the end of each row
- normal_annotation[201] = "", // default row annotation
- overflow_annotation[201] = "", // overflow row annotation
- data_begin[101] = "", // between labels and values
- finish[101] = ""; // at the end of everything
-
- if(datatable) {
- dates = JSON_DATES_JS;
- if( options & RRDR_OPTION_GOOGLE_JSON ) {
- kq[0] = '\0';
- sq[0] = '\'';
- }
- else {
- kq[0] = '"';
- sq[0] = '"';
- }
- row_annotations = 1;
- snprintfz(pre_date, 100, " {%sc%s:[{%sv%s:%s", kq, kq, kq, kq, sq);
- snprintfz(post_date, 100, "%s}", sq);
- snprintfz(pre_label, 100, ",\n {%sid%s:%s%s,%slabel%s:%s", kq, kq, sq, sq, kq, kq, sq);
- snprintfz(post_label, 100, "%s,%spattern%s:%s%s,%stype%s:%snumber%s}", sq, kq, kq, sq, sq, kq, kq, sq, sq);
- snprintfz(pre_value, 100, ",{%sv%s:", kq, kq);
- strcpy(post_value, "}");
- strcpy(post_line, "]}");
- snprintfz(data_begin, 100, "\n ],\n %srows%s:\n [\n", kq, kq);
- strcpy(finish, "\n ]\n}");
-
- 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);
- snprintfz(normal_annotation, 200, ",{%sv%s:null},{%sv%s:null}", kq, kq, kq, kq);
-
- 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);
-
- // remove the valueobjects flag
- // google wants its own keys
- if(options & RRDR_OPTION_OBJECTSROWS)
- options &= ~RRDR_OPTION_OBJECTSROWS;
- }
- else {
- kq[0] = '"';
- sq[0] = '"';
- if(options & RRDR_OPTION_GOOGLE_JSON) {
- dates = JSON_DATES_JS;
- dates_with_new = 1;
- }
- else {
- dates = JSON_DATES_TIMESTAMP;
- dates_with_new = 0;
- }
- if( options & RRDR_OPTION_OBJECTSROWS )
- strcpy(pre_date, " { ");
- else
- strcpy(pre_date, " [ ");
- strcpy(pre_label, ", \"");
- strcpy(post_label, "\"");
- strcpy(pre_value, ", ");
- if( options & RRDR_OPTION_OBJECTSROWS )
- strcpy(post_line, "}");
- else
- strcpy(post_line, "]");
- snprintfz(data_begin, 100, "],\n %sdata%s:\n [\n", kq, kq);
- strcpy(finish, "\n ]\n}");
-
- buffer_sprintf(wb, "{\n %slabels%s: [", kq, kq);
- buffer_sprintf(wb, "%stime%s", sq, sq);
- }
-
- // -------------------------------------------------------------------------
- // print the JSON header
-
- long c, i;
- RRDDIM *rd;
-
- // print the header lines
- for(c = 0, i = 0, rd = r->st->dimensions; rd && c < r->d ;c++, rd = rd->next) {
- if(unlikely(r->od[c] & RRDR_HIDDEN)) continue;
- if(unlikely((options & RRDR_OPTION_NONZERO) && !(r->od[c] & RRDR_NONZERO))) continue;
-
- buffer_strcat(wb, pre_label);
- buffer_strcat(wb, rd->name);
- buffer_strcat(wb, post_label);
- i++;
- }
- if(!i) {
- buffer_strcat(wb, pre_label);
- buffer_strcat(wb, "no data");
- buffer_strcat(wb, post_label);
- }
-
- // print the begin of row data
- buffer_strcat(wb, data_begin);
-
- // if all dimensions are hidden, print a null
- if(!i) {
- buffer_strcat(wb, finish);
- return;
- }
-
- long start = 0, end = rrdr_rows(r), step = 1;
- if((options & RRDR_OPTION_REVERSED)) {
- start = rrdr_rows(r) - 1;
- end = -1;
- step = -1;
- }
-
- // for each line in the array
- calculated_number total = 1;
- for(i = start; i != end ;i += step) {
- calculated_number *cn = &r->v[ i * r->d ];
- uint8_t *co = &r->o[ i * r->d ];
-
- time_t now = r->t[i];
-
- if(dates == JSON_DATES_JS) {
- // generate the local date time
- struct tm tmbuf, *tm = localtime_r(&now, &tmbuf);
- if(!tm) { error("localtime_r() failed."); continue; }
-
- if(likely(i != start)) buffer_strcat(wb, ",\n");
- buffer_strcat(wb, pre_date);
-
- if( options & RRDR_OPTION_OBJECTSROWS )
- buffer_sprintf(wb, "%stime%s: ", kq, kq);
-
- if(dates_with_new)
- buffer_strcat(wb, "new ");
-
- 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);
-
- if(row_annotations) {
- // google supports one annotation per row
- int annotation_found = 0;
- for(c = 0, rd = r->st->dimensions; rd ;c++, rd = rd->next) {
- if(co[c] & RRDR_RESET) {
- buffer_strcat(wb, overflow_annotation);
- annotation_found = 1;
- break;
- }
- }
- if(!annotation_found)
- buffer_strcat(wb, normal_annotation);
- }
- }
- else {
- // print the timestamp of the line
- if(likely(i != start)) buffer_strcat(wb, ",\n");
- buffer_strcat(wb, pre_date);
-
- if( options & RRDR_OPTION_OBJECTSROWS )
- buffer_sprintf(wb, "%stime%s: ", kq, kq);
-
- buffer_rrd_value(wb, (calculated_number)r->t[i]);
- // in ms
- if(options & RRDR_OPTION_MILLISECONDS) buffer_strcat(wb, "000");
-
- buffer_strcat(wb, post_date);
- }
-
- int set_min_max = 0;
- if(unlikely(options & RRDR_OPTION_PERCENTAGE)) {
- total = 0;
- for(c = 0, rd = r->st->dimensions; rd && c < r->d ;c++, rd = rd->next) {
- calculated_number n = cn[c];
-
- if(likely((options & RRDR_OPTION_ABSOLUTE) && n < 0))
- n = -n;
-
- total += n;
- }
- // prevent a division by zero
- if(total == 0) total = 1;
- set_min_max = 1;
- }
-
- // for each dimension
- for(c = 0, rd = r->st->dimensions; rd && c < r->d ;c++, rd = rd->next) {
- if(unlikely(r->od[c] & RRDR_HIDDEN)) continue;
- if(unlikely((options & RRDR_OPTION_NONZERO) && !(r->od[c] & RRDR_NONZERO))) continue;
-
- calculated_number n = cn[c];
-
- buffer_strcat(wb, pre_value);
-
- if( options & RRDR_OPTION_OBJECTSROWS )
- buffer_sprintf(wb, "%s%s%s: ", kq, rd->name, kq);
-
- if(co[c] & RRDR_EMPTY) {
- if(options & RRDR_OPTION_NULL2ZERO)
- buffer_strcat(wb, "0");
- else
- buffer_strcat(wb, "null");
- }
- else {
- if(unlikely((options & RRDR_OPTION_ABSOLUTE) && n < 0))
- n = -n;
-
- if(unlikely(options & RRDR_OPTION_PERCENTAGE)) {
- n = n * 100 / total;
-
- if(unlikely(set_min_max)) {
- r->min = r->max = n;
- set_min_max = 0;
- }
-
- if(n < r->min) r->min = n;
- if(n > r->max) r->max = n;
- }
-
- buffer_rrd_value(wb, n);
- }
-
- buffer_strcat(wb, post_value);
- }
-
- buffer_strcat(wb, post_line);
- }
-
- buffer_strcat(wb, finish);
- //info("RRD2JSON(): %s: END", r->st->id);
-}
-
-static void rrdr2csv(RRDR *r, BUFFER *wb, uint32_t options, const char *startline, const char *separator, const char *endline, const char *betweenlines)
-{
- rrdset_check_rdlock(r->st);
-
- //info("RRD2CSV(): %s: BEGIN", r->st->id);
- long c, i;
- RRDDIM *d;
-
- // print the csv header
- for(c = 0, i = 0, d = r->st->dimensions; d && c < r->d ;c++, d = d->next) {
- if(unlikely(r->od[c] & RRDR_HIDDEN)) continue;
- if(unlikely((options & RRDR_OPTION_NONZERO) && !(r->od[c] & RRDR_NONZERO))) continue;
-
- if(!i) {
- buffer_strcat(wb, startline);
- if(options & RRDR_OPTION_LABEL_QUOTES) buffer_strcat(wb, "\"");
- buffer_strcat(wb, "time");
- if(options & RRDR_OPTION_LABEL_QUOTES) buffer_strcat(wb, "\"");
- }
- buffer_strcat(wb, separator);
- if(options & RRDR_OPTION_LABEL_QUOTES) buffer_strcat(wb, "\"");
- buffer_strcat(wb, d->name);
- if(options & RRDR_OPTION_LABEL_QUOTES) buffer_strcat(wb, "\"");
- i++;
- }
- buffer_strcat(wb, endline);
-
- if(!i) {
- // no dimensions present
- return;
- }
-
- long start = 0, end = rrdr_rows(r), step = 1;
- if((options & RRDR_OPTION_REVERSED)) {
- start = rrdr_rows(r) - 1;
- end = -1;
- step = -1;
- }
-
- // for each line in the array
- calculated_number total = 1;
- for(i = start; i != end ;i += step) {
- calculated_number *cn = &r->v[ i * r->d ];
- uint8_t *co = &r->o[ i * r->d ];
-
- buffer_strcat(wb, betweenlines);
- buffer_strcat(wb, startline);
-
- time_t now = r->t[i];
-
- if((options & RRDR_OPTION_SECONDS) || (options & RRDR_OPTION_MILLISECONDS)) {
- // print the timestamp of the line
- buffer_rrd_value(wb, (calculated_number)now);
- // in ms
- if(options & RRDR_OPTION_MILLISECONDS) buffer_strcat(wb, "000");
- }
- else {
- // generate the local date time
- struct tm tmbuf, *tm = localtime_r(&now, &tmbuf);
- if(!tm) { error("localtime() failed."); continue; }
- buffer_date(wb, tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec);
- }
-
- int set_min_max = 0;
- if(unlikely(options & RRDR_OPTION_PERCENTAGE)) {
- total = 0;
- for(c = 0, d = r->st->dimensions; d && c < r->d ;c++, d = d->next) {
- calculated_number n = cn[c];
-
- if(likely((options & RRDR_OPTION_ABSOLUTE) && n < 0))
- n = -n;
-
- total += n;
- }
- // prevent a division by zero
- if(total == 0) total = 1;
- set_min_max = 1;
- }
-
- // for each dimension
- for(c = 0, d = r->st->dimensions; d && c < r->d ;c++, d = d->next) {
- if(unlikely(r->od[c] & RRDR_HIDDEN)) continue;
- if(unlikely((options & RRDR_OPTION_NONZERO) && !(r->od[c] & RRDR_NONZERO))) continue;
-
- buffer_strcat(wb, separator);
-
- calculated_number n = cn[c];
-
- if(co[c] & RRDR_EMPTY) {
- if(options & RRDR_OPTION_NULL2ZERO)
- buffer_strcat(wb, "0");
- else
- buffer_strcat(wb, "null");
- }
- else {
- if(unlikely((options & RRDR_OPTION_ABSOLUTE) && n < 0))
- n = -n;
-
- if(unlikely(options & RRDR_OPTION_PERCENTAGE)) {
- n = n * 100 / total;
-
- if(unlikely(set_min_max)) {
- r->min = r->max = n;
- set_min_max = 0;
- }
-
- if(n < r->min) r->min = n;
- if(n > r->max) r->max = n;
- }
-
- buffer_rrd_value(wb, n);
- }
- }
-
- buffer_strcat(wb, endline);
- }
- //info("RRD2CSV(): %s: END", r->st->id);
-}
-
-inline static calculated_number rrdr2value(RRDR *r, long i, uint32_t options, int *all_values_are_null) {
- rrdset_check_rdlock(r->st);
-
- long c;
- RRDDIM *d;
-
- calculated_number *cn = &r->v[ i * r->d ];
- uint8_t *co = &r->o[ i * r->d ];
-
- calculated_number sum = 0, min = 0, max = 0, v;
- int all_null = 1, init = 1;
-
- calculated_number total = 1;
- int set_min_max = 0;
- if(unlikely(options & RRDR_OPTION_PERCENTAGE)) {
- total = 0;
- for(c = 0, d = r->st->dimensions; d && c < r->d ;c++, d = d->next) {
- calculated_number n = cn[c];
-
- if(likely((options & RRDR_OPTION_ABSOLUTE) && n < 0))
- n = -n;
-
- total += n;
- }
- // prevent a division by zero
- if(total == 0) total = 1;
- set_min_max = 1;
- }
-
- // for each dimension
- for(c = 0, d = r->st->dimensions; d && c < r->d ;c++, d = d->next) {
- if(unlikely(r->od[c] & RRDR_HIDDEN)) continue;
- if(unlikely((options & RRDR_OPTION_NONZERO) && !(r->od[c] & RRDR_NONZERO))) continue;
-
- calculated_number n = cn[c];
-
- if(likely((options & RRDR_OPTION_ABSOLUTE) && n < 0))
- n = -n;
-
- if(unlikely(options & RRDR_OPTION_PERCENTAGE)) {
- n = n * 100 / total;
-
- if(unlikely(set_min_max)) {
- r->min = r->max = n;
- set_min_max = 0;
- }
-
- if(n < r->min) r->min = n;
- if(n > r->max) r->max = n;
- }
-
- if(unlikely(init)) {
- if(n > 0) {
- min = 0;
- max = n;
- }
- else {
- min = n;
- max = 0;
- }
- init = 0;
- }
-
- if(likely(!(co[c] & RRDR_EMPTY))) {
- all_null = 0;
- sum += n;
- }
-
- if(n < min) min = n;
- if(n > max) max = n;
- }
-
- if(unlikely(all_null)) {
- if(likely(all_values_are_null))
- *all_values_are_null = 1;
- return 0;
- }
- else {
- if(likely(all_values_are_null))
- *all_values_are_null = 0;
- }
-
- if(options & RRDR_OPTION_MIN2MAX)
- v = max - min;
- else
- v = sum;
-
- return v;
-}
-
-static void rrdr2ssv(RRDR *r, BUFFER *wb, uint32_t options, const char *prefix, const char *separator, const char *suffix)
-{
- //info("RRD2SSV(): %s: BEGIN", r->st->id);
- long i;
-
- buffer_strcat(wb, prefix);
- long start = 0, end = rrdr_rows(r), step = 1;
- if((options & RRDR_OPTION_REVERSED)) {
- start = rrdr_rows(r) - 1;
- end = -1;
- step = -1;
- }
-
- // for each line in the array
- for(i = start; i != end ;i += step) {
- int all_values_are_null = 0;
- calculated_number v = rrdr2value(r, i, options, &all_values_are_null);
-
- if(likely(i != start)) {
- if(r->min > v) r->min = v;
- if(r->max < v) r->max = v;
- }
- else {
- r->min = v;
- r->max = v;
- }
-
- if(likely(i != start))
- buffer_strcat(wb, separator);
-
- if(all_values_are_null) {
- if(options & RRDR_OPTION_NULL2ZERO)
- buffer_strcat(wb, "0");
- else
- buffer_strcat(wb, "null");
- }
- else
- buffer_rrd_value(wb, v);
- }
- buffer_strcat(wb, suffix);
- //info("RRD2SSV(): %s: END", r->st->id);
-}
-
-inline static calculated_number *rrdr_line_values(RRDR *r)
-{
- return &r->v[ r->c * r->d ];
-}
-
-inline static uint8_t *rrdr_line_options(RRDR *r)
-{
- return &r->o[ r->c * r->d ];
-}
-
-inline static int rrdr_line_init(RRDR *r, time_t t)
-{
- r->c++;
-
- if(unlikely(r->c >= r->n)) {
- error("requested to step above RRDR size for chart %s", r->st->name);
- r->c = r->n - 1;
- }
-
- // save the time
- r->t[r->c] = t;
-
- return 1;
-}
-
-inline static void rrdr_lock_rrdset(RRDR *r) {
- if(unlikely(!r)) {
- error("NULL value given!");
- return;
- }
-
- rrdset_rdlock(r->st);
- r->has_st_lock = 1;
-}
-
-inline static void rrdr_unlock_rrdset(RRDR *r) {
- if(unlikely(!r)) {
- error("NULL value given!");
- return;
- }
-
- if(likely(r->has_st_lock)) {
- rrdset_unlock(r->st);
- r->has_st_lock = 0;
- }
-}
-
-inline static void rrdr_free(RRDR *r)
-{
- if(unlikely(!r)) {
- error("NULL value given!");
- return;
- }
-
- rrdr_unlock_rrdset(r);
- freez(r->t);
- freez(r->v);
- freez(r->o);
- freez(r->od);
- freez(r);
-}
-
-static inline void rrdr_done(RRDR *r)
-{
- r->rows = r->c + 1;
- r->c = 0;
-}
-
-static RRDR *rrdr_create(RRDSET *st, long n)
-{
- if(unlikely(!st)) {
- error("NULL value given!");
- return NULL;
- }
-
- RRDR *r = callocz(1, sizeof(RRDR));
- r->st = st;
-
- rrdr_lock_rrdset(r);
-
- RRDDIM *rd;
- rrddim_foreach_read(rd, st) r->d++;
-
- r->n = n;
-
- r->t = mallocz(n * sizeof(time_t));
- r->v = mallocz(n * r->d * sizeof(calculated_number));
- r->o = mallocz(n * r->d * sizeof(uint8_t));
- r->od = mallocz(r->d * sizeof(uint8_t));
-
- // set the hidden flag on hidden dimensions
- int c;
- for(c = 0, rd = st->dimensions ; rd ; c++, rd = rd->next) {
- if(unlikely(rrddim_flag_check(rd, RRDDIM_FLAG_HIDDEN)))
- r->od[c] = RRDR_HIDDEN;
- else
- r->od[c] = 0;
- }
-
- r->c = -1;
- r->group = 1;
- r->update_every = 1;
-
- return r;
-}
-
-RRDR *rrd2rrdr(RRDSET *st, long points, long long after, long long before, int group_method, long group_time, int aligned)
-{
-#ifdef NETDATA_INTERNAL_CHECKS
- int debug = rrdset_flag_check(st, RRDSET_FLAG_DEBUG)?1:0;
-#endif
- int absolute_period_requested = -1;
-
- time_t first_entry_t = rrdset_first_entry_t(st);
- time_t last_entry_t = rrdset_last_entry_t(st);
-
- if(before == 0 && after == 0) {
- // dump the all the data
- before = last_entry_t;
- after = first_entry_t;
- absolute_period_requested = 0;
- }
-
- // allow relative for before (smaller than API_RELATIVE_TIME_MAX)
- if(((before < 0)?-before:before) <= API_RELATIVE_TIME_MAX) {
- if(abs(before) % st->update_every) {
- // make sure it is multiple of st->update_every
- if(before < 0) before = before - st->update_every - before % st->update_every;
- else before = before + st->update_every - before % st->update_every;
- }
- if(before > 0) before = first_entry_t + before;
- else before = last_entry_t + before;
- absolute_period_requested = 0;
- }
-
- // allow relative for after (smaller than API_RELATIVE_TIME_MAX)
- if(((after < 0)?-after:after) <= API_RELATIVE_TIME_MAX) {
- if(after == 0) after = -st->update_every;
- if(abs(after) % st->update_every) {
- // make sure it is multiple of st->update_every
- if(after < 0) after = after - st->update_every - after % st->update_every;
- else after = after + st->update_every - after % st->update_every;
- }
- after = before + after;
- absolute_period_requested = 0;
- }
-
- if(absolute_period_requested == -1)
- absolute_period_requested = 1;
-
- // make sure they are within our timeframe
- if(before > last_entry_t) before = last_entry_t;
- if(before < first_entry_t) before = first_entry_t;
-
- if(after > last_entry_t) after = last_entry_t;
- if(after < first_entry_t) after = first_entry_t;
-
- // check if they are upside down
- if(after > before) {
- time_t tmp = before;
- before = after;
- after = tmp;
- }
-
- // the duration of the chart
- time_t duration = before - after;
- long available_points = duration / st->update_every;
-
- if(duration <= 0 || available_points <= 0)
- return rrdr_create(st, 1);
-
- // check the number of wanted points in the result
- if(unlikely(points < 0)) points = -points;
- if(unlikely(points > available_points)) points = available_points;
- if(unlikely(points == 0)) points = available_points;
-
- // calculate the desired grouping of source data points
- long group = available_points / points;
- if(unlikely(group <= 0)) group = 1;
- if(unlikely(available_points % points > points / 2)) group++; // rounding to the closest integer
-
- // group_time enforces a certain grouping multiple
- calculated_number group_sum_divisor = 1.0;
- long group_points = 1;
- if(unlikely(group_time > st->update_every)) {
- if (unlikely(group_time > duration)) {
- // group_time is above the available duration
-
- #ifdef NETDATA_INTERNAL_CHECKS
- info("INTERNAL CHECK: %s: requested gtime %ld secs, is greater than the desired duration %ld secs", st->id, group_time, duration);
- #endif
-
- group = points; // use all the points
- }
- else {
- // the points we should group to satisfy gtime
- group_points = group_time / st->update_every;
- if(unlikely(group_time % group_points)) {
- #ifdef NETDATA_INTERNAL_CHECKS
- info("INTERNAL CHECK: %s: requested gtime %ld secs, is not a multiple of the chart's data collection frequency %d secs", st->id, group_time, st->update_every);
- #endif
-
- group_points++;
- }
-
- // adapt group according to group_points
- if(unlikely(group < group_points)) group = group_points; // do not allow grouping below the desired one
- if(unlikely(group % group_points)) group += group_points - (group % group_points); // make sure group is multiple of group_points
-
- //group_sum_divisor = group / group_points;
- group_sum_divisor = (calculated_number)(group * st->update_every) / (calculated_number)group_time;
- }
- }
-
- time_t after_new = after - (after % ( ((aligned)?group:1) * st->update_every ));
- time_t before_new = before - (before % ( ((aligned)?group:1) * st->update_every ));
- long points_new = (before_new - after_new) / st->update_every / group;
-
- // find the starting and ending slots in our round robin db
- long start_at_slot = rrdset_time2slot(st, before_new),
- stop_at_slot = rrdset_time2slot(st, after_new);
-
-#ifdef NETDATA_INTERNAL_CHECKS
- if(after_new < first_entry_t)
- error("INTERNAL CHECK: after_new %u is too small, minimum %u", (uint32_t)after_new, (uint32_t)first_entry_t);
-
- if(after_new > last_entry_t)
- error("INTERNAL CHECK: after_new %u is too big, maximum %u", (uint32_t)after_new, (uint32_t)last_entry_t);
-
- if(before_new < first_entry_t)
- error("INTERNAL CHECK: before_new %u is too small, minimum %u", (uint32_t)before_new, (uint32_t)first_entry_t);
-
- if(before_new > last_entry_t)
- error("INTERNAL CHECK: before_new %u is too big, maximum %u", (uint32_t)before_new, (uint32_t)last_entry_t);
-
- if(start_at_slot < 0 || start_at_slot >= st->entries)
- error("INTERNAL CHECK: start_at_slot is invalid %ld, expected 0 to %ld", start_at_slot, st->entries - 1);
-
- if(stop_at_slot < 0 || stop_at_slot >= st->entries)
- error("INTERNAL CHECK: stop_at_slot is invalid %ld, expected 0 to %ld", stop_at_slot, st->entries - 1);
-
- if(points_new > (before_new - after_new) / group / st->update_every + 1)
- error("INTERNAL CHECK: points_new %ld is more than points %ld", points_new, (before_new - after_new) / group / st->update_every + 1);
-
- if(group < group_points)
- error("INTERNAL CHECK: group %ld is less than the desired group points %ld", group, group_points);
-
- if(group > group_points && group % group_points)
- error("INTERNAL CHECK: group %ld is not a multiple of the desired group points %ld", group, group_points);
-#endif
-
- //info("RRD2RRDR(): %s: wanted %ld points, got %ld - group=%ld, wanted duration=%u, got %u - wanted %ld - %ld, got %ld - %ld", st->id, points, points_new, group, before - after, before_new - after_new, after, before, after_new, before_new);
-
- after = after_new;
- before = before_new;
- duration = before - after;
- points = points_new;
-
- // Now we have:
- // before = the end time of the calculation
- // after = the start time of the calculation
- // duration = the duration of the calculation
- // group = the number of source points to aggregate / group together
- // method = the method of grouping source points
- // points = the number of points to generate
-
-
- // -------------------------------------------------------------------------
- // initialize our result set
-
- RRDR *r = rrdr_create(st, points);
- if(unlikely(!r)) {
-#ifdef NETDATA_INTERNAL_CHECKS
- error("INTERNAL CHECK: Cannot create RRDR for %s, after=%u, before=%u, duration=%u, points=%ld", st->id, (uint32_t)after, (uint32_t)before, (uint32_t)duration, points);
-#endif
- return NULL;
- }
-
- if(unlikely(!r->d)) {
-#ifdef NETDATA_INTERNAL_CHECKS
- error("INTERNAL CHECK: Returning empty RRDR (no dimensions in RRDSET) for %s, after=%u, before=%u, duration=%u, points=%ld", st->id, (uint32_t)after, (uint32_t)before, (uint32_t)duration, points);
-#endif
- return r;
- }
-
- if(unlikely(absolute_period_requested == 1))
- r->result_options |= RRDR_RESULT_OPTION_ABSOLUTE;
- else
- r->result_options |= RRDR_RESULT_OPTION_RELATIVE;
-
- // find how many dimensions we have
- long dimensions = r->d;
-
-
- // -------------------------------------------------------------------------
- // checks for debugging
-#ifdef NETDATA_INTERNAL_CHECKS
- if(debug) debug(D_RRD_STATS, "INFO %s first_t: %u, last_t: %u, all_duration: %u, after: %u, before: %u, duration: %u, points: %ld, group: %ld, group_points: %ld"
- , st->id
- , (uint32_t)first_entry_t
- , (uint32_t)last_entry_t
- , (uint32_t)(last_entry_t - first_entry_t)
- , (uint32_t)after
- , (uint32_t)before
- , (uint32_t)duration
- , points
- , group
- , group_points
- );
-#endif
-
- // -------------------------------------------------------------------------
- // temp arrays for keeping values per dimension
-
- calculated_number last_values[dimensions]; // keep the last value of each dimension
- calculated_number group_values[dimensions]; // keep sums when grouping
- long group_counts[dimensions]; // keep the number of values added to group_values
- uint8_t group_options[dimensions];
- uint8_t found_non_zero[dimensions];
-
-
- // initialize them
- RRDDIM *rd;
- long c;
- rrdset_check_rdlock(st);
- for( rd = st->dimensions, c = 0 ; rd && c < dimensions ; rd = rd->next, c++) {
- last_values[c] = 0;
- group_values[c] = (group_method == GROUP_MAX || group_method == GROUP_MIN)?NAN:0;
- group_counts[c] = 0;
- group_options[c] = 0;
- found_non_zero[c] = 0;
- }
-
-
- // -------------------------------------------------------------------------
- // the main loop
-
- time_t now = rrdset_slot2time(st, start_at_slot),
- dt = st->update_every,
- group_start_t = 0;
-
-#ifdef NETDATA_INTERNAL_CHECKS
- if(unlikely(debug)) debug(D_RRD_STATS, "BEGIN %s after_t: %u (stop_at_t: %ld), before_t: %u (start_at_t: %ld), start_t(now): %u, current_entry: %ld, entries: %ld"
- , st->id
- , (uint32_t)after
- , stop_at_slot
- , (uint32_t)before
- , start_at_slot
- , (uint32_t)now
- , st->current_entry
- , st->entries
- );
-#endif
-
- r->group = group;
- r->update_every = (int)group * st->update_every;
- r->before = now;
- r->after = now;
-
- //info("RRD2RRDR(): %s: STARTING", st->id);
-
- long slot = start_at_slot, counter = 0, stop_now = 0, added = 0, group_count = 0, add_this = 0;
- for(; !stop_now ; now -= dt, slot--, counter++) {
- if(unlikely(slot < 0)) slot = st->entries - 1;
- if(unlikely(slot == stop_at_slot)) stop_now = counter;
-
-#ifdef NETDATA_INTERNAL_CHECKS
- if(unlikely(debug)) debug(D_RRD_STATS, "ROW %s slot: %ld, entries_counter: %ld, group_count: %ld, added: %ld, now: %ld, %s %s"
- , st->id
- , slot
- , counter
- , group_count + 1
- , added
- , now
- , (group_count + 1 == group)?"PRINT":" - "
- , (now >= after && now <= before)?"RANGE":" - "
- );
-#endif
-
- // make sure we return data in the proper time range
- if(unlikely(now > before)) continue;
- if(unlikely(now < after)) break;
-
- if(unlikely(group_count == 0)) group_start_t = now;
- group_count++;
-
- if(unlikely(group_count == group)) {
- if(unlikely(added >= points)) break;
- add_this = 1;
- }
-
- // do the calculations
- for(rd = st->dimensions, c = 0 ; rd && c < dimensions ; rd = rd->next, c++) {
- storage_number n = rd->values[slot];
- if(unlikely(!does_storage_number_exist(n))) continue;
-
- group_counts[c]++;
-
- calculated_number value = unpack_storage_number(n);
- if(likely(value != 0.0)) {
- group_options[c] |= RRDR_NONZERO;
- found_non_zero[c] = 1;
- }
-
- if(unlikely(did_storage_number_reset(n)))
- group_options[c] |= RRDR_RESET;
-
- switch(group_method) {
- case GROUP_MIN:
- if(unlikely(isnan(group_values[c])) ||
- calculated_number_fabs(value) < calculated_number_fabs(group_values[c]))
- group_values[c] = value;
- break;
-
- case GROUP_MAX:
- if(unlikely(isnan(group_values[c])) ||
- calculated_number_fabs(value) > calculated_number_fabs(group_values[c]))
- group_values[c] = value;
- break;
-
- default:
- case GROUP_SUM:
- case GROUP_AVERAGE:
- case GROUP_UNDEFINED:
- group_values[c] += value;
- break;
-
- case GROUP_INCREMENTAL_SUM:
- if(unlikely(slot == start_at_slot))
- last_values[c] = value;
-
- group_values[c] += last_values[c] - value;
- last_values[c] = value;
- break;
- }
- }
-
- // added it
- if(unlikely(add_this)) {
- if(unlikely(!rrdr_line_init(r, group_start_t))) break;
-
- r->after = now;
-
- calculated_number *cn = rrdr_line_values(r);
- uint8_t *co = rrdr_line_options(r);
-
- for(rd = st->dimensions, c = 0 ; rd && c < dimensions ; rd = rd->next, c++) {
-
- // update the dimension options
- if(likely(found_non_zero[c])) r->od[c] |= RRDR_NONZERO;
-
- // store the specific point options
- co[c] = group_options[c];
-
- // store the value
- if(unlikely(group_counts[c] == 0)) {
- cn[c] = 0.0;
- co[c] |= RRDR_EMPTY;
- group_values[c] = (group_method == GROUP_MAX || group_method == GROUP_MIN)?NAN:0;
- }
- else {
- switch(group_method) {
- case GROUP_MIN:
- case GROUP_MAX:
- if(unlikely(isnan(group_values[c])))
- cn[c] = 0;
- else {
- cn[c] = group_values[c];
- group_values[c] = NAN;
- }
- break;
-
- case GROUP_SUM:
- case GROUP_INCREMENTAL_SUM:
- cn[c] = group_values[c];
- group_values[c] = 0;
- break;
-
- default:
- case GROUP_AVERAGE:
- case GROUP_UNDEFINED:
- if(unlikely(group_points != 1))
- cn[c] = group_values[c] / group_sum_divisor;
- else
- cn[c] = group_values[c] / group_counts[c];
-
- group_values[c] = 0;
- break;
- }
-
- if(cn[c] < r->min) r->min = cn[c];
- if(cn[c] > r->max) r->max = cn[c];
- }
-
- // reset for the next loop
- group_counts[c] = 0;
- group_options[c] = 0;
- }
-
- added++;
- group_count = 0;
- add_this = 0;
- }
- }
-
- rrdr_done(r);
- //info("RRD2RRDR(): %s: END %ld loops made, %ld points generated", st->id, counter, rrdr_rows(r));
- //error("SHIFT: %s: wanted %ld points, got %ld", st->id, points, rrdr_rows(r));
- return r;
-}
-
-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 & RRDR_OPTION_NOT_ALIGNED));
- if(!r) {
- if(value_is_null) *value_is_null = 1;
- return 500;
- }
-
- 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 400;
- }
-
- 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);
- }
-
- options = rrdr_check_options(r, options, dimensions);
-
- if(dimensions)
- rrdr_disable_not_selected_dimensions(r, options, dimensions);
-
- 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 200;
-}
-
-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
-) {
- st->last_accessed_time = now_realtime_sec();
-
- RRDR *r = rrd2rrdr(st, points, after, before, group_method, group_time, !(options & RRDR_OPTION_NOT_ALIGNED));
- if(!r) {
- buffer_strcat(wb, "Cannot generate output with these parameters on this chart.");
- return 500;
- }
-
- if(r->result_options & RRDR_RESULT_OPTION_RELATIVE)
- buffer_no_cacheable(wb);
- else if(r->result_options & RRDR_RESULT_OPTION_ABSOLUTE)
- buffer_cacheable(wb);
-
- options = rrdr_check_options(r, options, (dimensions)?buffer_tostring(dimensions):NULL);
-
- if(dimensions)
- rrdr_disable_not_selected_dimensions(r, options, buffer_tostring(dimensions));
-
- 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);
- 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);
- 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);
- 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);
- rrdr2csv(r, wb, options, "", ",", "\\n", "");
- rrdr_json_wrapper_end(r, wb, format, options, 1);
- }
- else {
- wb->contenttype = CT_TEXT_PLAIN;
- rrdr2csv(r, wb, 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);
- buffer_strcat(wb, "[\n");
- rrdr2csv(r, wb, options + RRDR_OPTION_LABEL_QUOTES, "[", ",", "]", ",\n");
- buffer_strcat(wb, "\n]");
- rrdr_json_wrapper_end(r, wb, format, options, 0);
- }
- else {
- wb->contenttype = CT_TEXT_PLAIN;
- buffer_strcat(wb, "[\n");
- rrdr2csv(r, wb, 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);
- rrdr2csv(r, wb, options, "", "\t", "\\n", "");
- rrdr_json_wrapper_end(r, wb, format, options, 1);
- }
- else {
- wb->contenttype = CT_TEXT_PLAIN;
- rrdr2csv(r, wb, 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);
- buffer_strcat(wb, "<html>\\n<center>\\n<table border=\\\"0\\\" cellpadding=\\\"5\\\" cellspacing=\\\"5\\\">\\n");
- rrdr2csv(r, wb, 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, 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);
-
- 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);
-
- 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);
-
- 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);
-
- rrdr2json(r, wb, options, 0);
-
- if(options & RRDR_OPTION_JSON_WRAP)
- rrdr_json_wrapper_end(r, wb, format, options, 0);
- break;
- }
-
- rrdr_free(r);
- return 200;
-}