-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-#include <pthread.h>
-#include <stdlib.h>
-#include <string.h>
-#include <stdint.h>
-#include <math.h>
-
-#include "log.h"
#include "common.h"
-#include "rrd2json.h"
-#define HOSTNAME_MAX 1024
-char *hostname = "unknown";
-
-void rrd_stats_api_v1_chart(RRDSET *st, BUFFER *wb)
+void rrd_stats_api_v1_chart_with_data(RRDSET *st, BUFFER *wb, size_t *dimensions_count, size_t *memory_used)
{
- pthread_rwlock_rdlock(&st->rwlock);
-
- 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\": %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\": %lu,\n"
- "\t\t\t\"last_entry\": %lu,\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->priority
- , st->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;
-
- int c = 0;
- RRDDIM *rd;
- for(rd = st->dimensions; rd ; rd = rd->next) {
- if(rd->flags & RRDDIM_FLAG_HIDDEN) continue;
-
- memory += rd->memsize;
-
- buffer_sprintf(wb,
- "%s"
- "\t\t\t\t\"%s\": { \"name\": \"%s\" }"
- , c?",\n":""
- , rd->id
- , rd->name
- );
-
- c++;
- }
-
- buffer_sprintf(wb,
- "\n\t\t\t}\n"
- "\t\t}"
- );
-
- pthread_rwlock_unlock(&st->rwlock);
+ pthread_rwlock_rdlock(&st->rwlock);
+
+ 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\": %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->priority
+ , st->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;
+ for(rd = st->dimensions; rd ; rd = rd->next) {
+ if(rd->flags & 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_sprintf(wb,
+ "\n\t\t}"
+ );
+
+ pthread_rwlock_unlock(&st->rwlock);
+}
+
+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(BUFFER *wb)
{
- long c;
- RRDSET *st;
-
- buffer_sprintf(wb, "{\n"
- "\t\"hostname\": \"%s\""
- ",\n\t\"update_every\": %d"
- ",\n\t\"history\": %d"
- ",\n\t\"charts\": {"
- , hostname
- , rrd_update_every
- , rrd_default_history_entries
- );
-
- pthread_rwlock_rdlock(&rrdset_root_rwlock);
- for(st = rrdset_root, c = 0; st ; st = st->next) {
- if(st->enabled) {
- if(c) buffer_strcat(wb, ",");
- buffer_strcat(wb, "\n\t\t\"");
- buffer_strcat(wb, st->id);
- buffer_strcat(wb, "\": ");
- rrd_stats_api_v1_chart(st, wb);
- c++;
- }
- }
- pthread_rwlock_unlock(&rrdset_root_rwlock);
-
- buffer_strcat(wb, "\n\t}\n}\n");
+ size_t c, dimensions = 0, memory = 0, alarms = 0;
+ RRDSET *st;
+
+ buffer_sprintf(wb, "{\n"
+ "\t\"hostname\": \"%s\""
+ ",\n\t\"update_every\": %d"
+ ",\n\t\"history\": %d"
+ ",\n\t\"charts\": {"
+ , localhost.hostname
+ , rrd_update_every
+ , rrd_default_history_entries
+ );
+
+ pthread_rwlock_rdlock(&localhost.rrdset_root_rwlock);
+ for(st = localhost.rrdset_root, c = 0; st ; st = st->next) {
+ if(st->enabled && st->dimensions) {
+ 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++;
+ }
+ }
+
+ RRDCALC *rc;
+ for(rc = localhost.alarms; rc ; rc = rc->next) {
+ if(rc->rrdset)
+ alarms++;
+ }
+ pthread_rwlock_unlock(&localhost.rrdset_root_rwlock);
+
+ 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}\n"
+ , c
+ , dimensions
+ , alarms
+ , memory
+ );
+}
+
+// ----------------------------------------------------------------------------
+// PROMETHEUS
+// /api/v1/allmetrics?format=prometheus
+
+static inline size_t prometheus_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 = c;
+ }
+ *d = '\0';
+
+ return n;
+}
+
+#define PROMETHEUS_ELEMENT_MAX 256
+
+void rrd_stats_api_v1_charts_allmetrics_prometheus(BUFFER *wb)
+{
+ pthread_rwlock_rdlock(&localhost.rrdset_root_rwlock);
+
+ char host[PROMETHEUS_ELEMENT_MAX + 1];
+ prometheus_name_copy(host, config_get("global", "hostname", "localhost"), PROMETHEUS_ELEMENT_MAX);
+
+ // for each chart
+ RRDSET *st;
+ for(st = localhost.rrdset_root; st ; st = st->next) {
+ char chart[PROMETHEUS_ELEMENT_MAX + 1];
+ prometheus_name_copy(chart, st->id, PROMETHEUS_ELEMENT_MAX);
+
+ buffer_strcat(wb, "\n");
+ if(st->enabled && st->dimensions) {
+ pthread_rwlock_rdlock(&st->rwlock);
+
+ // for each dimension
+ RRDDIM *rd;
+ for(rd = st->dimensions; rd ; rd = rd->next) {
+ if(rd->counter) {
+ char dimension[PROMETHEUS_ELEMENT_MAX + 1];
+ prometheus_name_copy(dimension, rd->id, PROMETHEUS_ELEMENT_MAX);
+
+ // buffer_sprintf(wb, "# HELP %s.%s %s\n", st->id, rd->id, st->units);
+
+ switch(rd->algorithm) {
+ case RRDDIM_INCREMENTAL:
+ case RRDDIM_PCENT_OVER_DIFF_TOTAL:
+ buffer_sprintf(wb, "# TYPE %s_%s counter\n", chart, dimension);
+ break;
+
+ default:
+ buffer_sprintf(wb, "# TYPE %s_%s gauge\n", chart, dimension);
+ break;
+ }
+
+ // calculated_number n = (calculated_number)rd->last_collected_value * (calculated_number)(abs(rd->multiplier)) / (calculated_number)(abs(rd->divisor));
+ // buffer_sprintf(wb, "%s.%s " CALCULATED_NUMBER_FORMAT " %llu\n", st->id, rd->id, n,
+ // (unsigned long long)((rd->last_collected_time.tv_sec * 1000) + (rd->last_collected_time.tv_usec / 1000)));
+
+ buffer_sprintf(wb, "%s_%s{instance=\"%s\"} " COLLECTED_NUMBER_FORMAT " %llu\n",
+ chart, dimension, host, rd->last_collected_value,
+ (unsigned long long)((rd->last_collected_time.tv_sec * 1000) + (rd->last_collected_time.tv_usec / 1000)));
+
+ }
+ }
+
+ pthread_rwlock_unlock(&st->rwlock);
+ }
+ }
+
+ pthread_rwlock_unlock(&localhost.rrdset_root_rwlock);
}
+// ----------------------------------------------------------------------------
+// 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(BUFFER *wb)
+{
+ pthread_rwlock_rdlock(&localhost.rrdset_root_rwlock);
+
+ char host[SHELL_ELEMENT_MAX + 1];
+ shell_name_copy(host, config_get("global", "hostname", "localhost"), SHELL_ELEMENT_MAX);
+
+ // for each chart
+ RRDSET *st;
+ for(st = localhost.rrdset_root; st ; st = st->next) {
+ calculated_number total = 0.0;
+ char chart[SHELL_ELEMENT_MAX + 1];
+ shell_name_copy(chart, st->id, SHELL_ELEMENT_MAX);
+
+ buffer_sprintf(wb, "\n# chart: %s (name: %s)\n", st->id, st->name);
+ if(st->enabled && st->dimensions) {
+ pthread_rwlock_rdlock(&st->rwlock);
+
+ // for each dimension
+ RRDDIM *rd;
+ for(rd = st->dimensions; rd ; rd = rd->next) {
+ if(rd->counter) {
+ char dimension[SHELL_ELEMENT_MAX + 1];
+ shell_name_copy(dimension, 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 = roundl(n);
+ if(!(rd->flags & RRDDIM_FLAG_HIDDEN)) total += n;
+ buffer_sprintf(wb, "NETDATA_%s_%s=\"%0.0Lf\" # %s\n", chart, dimension, n, st->units);
+ }
+ }
+ }
+
+ total = roundl(total);
+ buffer_sprintf(wb, "NETDATA_%s_VISIBLETOTAL=\"%0.0Lf\" # %s\n", chart, total, st->units);
+ pthread_rwlock_unlock(&st->rwlock);
+ }
+ }
+
+ buffer_strcat(wb, "\n# NETDATA ALARMS RUNNING\n");
+
+ RRDCALC *rc;
+ for(rc = localhost.alarms; rc ;rc = rc->next) {
+ if(!rc->rrdset) continue;
+
+ char chart[SHELL_ELEMENT_MAX + 1];
+ shell_name_copy(chart, 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 = roundl(n);
+ buffer_sprintf(wb, "NETDATA_ALARM_%s_%s_VALUE=\"%0.0Lf\" # %s\n", chart, alarm, n, rc->units);
+ }
+
+ buffer_sprintf(wb, "NETDATA_ALARM_%s_%s_STATUS=\"%s\"\n", chart, alarm, rrdcalc_status2string(rc->status));
+ }
+
+ pthread_rwlock_unlock(&localhost.rrdset_root_rwlock);
+}
+
+// ----------------------------------------------------------------------------
unsigned long rrd_stats_one_json(RRDSET *st, char *options, BUFFER *wb)
{
- time_t now = time(NULL);
-
- pthread_rwlock_rdlock(&st->rwlock);
-
- 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\": %ld,\n"
- "\t\t\t\"entries\": %ld,\n"
- "\t\t\t\"first_entry_t\": %lu,\n"
- "\t\t\t\"last_entry\": %ld,\n"
- "\t\t\t\"last_entry_t\": %lu,\n"
- "\t\t\t\"last_entry_secs_ago\": %lu,\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
- , st->enabled
- , 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
- , st->isdetail
- , st->usec_since_last_update
- , st->collected_total
- , st->last_collected_total
- );
-
- unsigned long memory = st->memsize;
-
- RRDDIM *rd;
- for(rd = st->dimensions; rd ; rd = rd->next) {
-
- 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\": %ld,\n"
- "\t\t\t\t\t\"divisor\": %ld,\n"
- "\t\t\t\t\t\"last_entry_t\": %lu,\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
- , (rd->flags & RRDDIM_FLAG_HIDDEN)?1:0
- , rrddim_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
- );
-
- pthread_rwlock_unlock(&st->rwlock);
- return memory;
+ time_t now = now_realtime_sec();
+
+ pthread_rwlock_rdlock(&st->rwlock);
+
+ 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
+ , st->enabled
+ , 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
+ , st->isdetail
+ , st->usec_since_last_update
+ , st->collected_total
+ , st->last_collected_total
+ );
+
+ unsigned long memory = st->memsize;
+
+ RRDDIM *rd;
+ for(rd = st->dimensions; rd ; rd = rd->next) {
+
+ 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\": %ld,\n"
+ "\t\t\t\t\t\"divisor\": %ld,\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
+ , (rd->flags & RRDDIM_FLAG_HIDDEN)?1:0
+ , rrddim_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
+ );
+
+ pthread_rwlock_unlock(&st->rwlock);
+ return memory;
}
#define RRD_GRAPH_JSON_HEADER "{\n\t\"charts\": [\n"
void rrd_stats_graph_json(RRDSET *st, char *options, BUFFER *wb)
{
- buffer_strcat(wb, RRD_GRAPH_JSON_HEADER);
- rrd_stats_one_json(st, options, wb);
- buffer_strcat(wb, RRD_GRAPH_JSON_FOOTER);
+ buffer_strcat(wb, RRD_GRAPH_JSON_HEADER);
+ rrd_stats_one_json(st, options, wb);
+ buffer_strcat(wb, RRD_GRAPH_JSON_FOOTER);
}
void rrd_stats_all_json(BUFFER *wb)
{
- unsigned long memory = 0;
- long c;
- RRDSET *st;
-
- buffer_strcat(wb, RRD_GRAPH_JSON_HEADER);
-
- pthread_rwlock_rdlock(&rrdset_root_rwlock);
- for(st = rrdset_root, c = 0; st ; st = st->next) {
- if(st->enabled) {
- if(c) buffer_strcat(wb, ",\n");
- memory += rrd_stats_one_json(st, NULL, wb);
- c++;
- }
- }
- pthread_rwlock_unlock(&rrdset_root_rwlock);
-
- buffer_sprintf(wb, "\n\t],\n"
- "\t\"hostname\": \"%s\",\n"
- "\t\"update_every\": %d,\n"
- "\t\"history\": %d,\n"
- "\t\"memory\": %lu\n"
- "}\n"
- , hostname
- , rrd_update_every
- , rrd_default_history_entries
- , memory
- );
+ unsigned long memory = 0;
+ long c;
+ RRDSET *st;
+
+ buffer_strcat(wb, RRD_GRAPH_JSON_HEADER);
+
+ pthread_rwlock_rdlock(&localhost.rrdset_root_rwlock);
+ for(st = localhost.rrdset_root, c = 0; st ; st = st->next) {
+ if(st->enabled && st->dimensions) {
+ if(c) buffer_strcat(wb, ",\n");
+ memory += rrd_stats_one_json(st, NULL, wb);
+ c++;
+ }
+ }
+ pthread_rwlock_unlock(&localhost.rrdset_root_rwlock);
+
+ buffer_sprintf(wb, "\n\t],\n"
+ "\t\"hostname\": \"%s\",\n"
+ "\t\"update_every\": %d,\n"
+ "\t\"history\": %d,\n"
+ "\t\"memory\": %lu\n"
+ "}\n"
+ , localhost.hostname
+ , rrd_update_every
+ , rrd_default_history_entries
+ , memory
+ );
}
// ----------------------------------------------------------------------------
// 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_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
// 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
+ RRDSET *st; // the chart this result refers to
- uint32_t result_options; // RRDR_RESULT_OPTION_*
+ 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
+ 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
+ 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
+ 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 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
- long update_every; // what is the suggested update frequency in seconds
+ 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;
+ calculated_number min;
+ calculated_number max;
- time_t before;
- time_t after;
+ time_t before;
+ time_t after;
- int has_st_lock; // if st is read locked by us
+ 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");
- }
+ 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, const char *dims)
+void rrdr_disable_not_selected_dimensions(RRDR *r, uint32_t options, const char *dims)
{
- char b[strlen(dims) + 1];
- char *o = b, *tok;
- strcpy(o, dims);
-
- long c;
- RRDDIM *d;
-
- // disable all of them
- for(c = 0, d = r->st->dimensions; d ;c++, d = d->next)
- r->od[c] |= RRDR_HIDDEN;
-
- while(o && *o && (tok = mystrsep(&o, ", |"))) {
- if(!*tok) continue;
-
- // find it and enable it
- for(c = 0, d = r->st->dimensions; d ;c++, d = d->next) {
- if(!strcmp(d->name, tok)) {
- r->od[c] &= ~RRDR_HIDDEN;
-
- // since the user needs this dimension
- // make it appear as NONZERO, to return it
- // even if the dimension has only zeros
- r->od[c] |= RRDR_NONZERO;
- }
- }
- }
+ char b[strlen(dims) + 1];
+ char *o = b, *tok;
+ strcpy(o, dims);
+
+ long c;
+ RRDDIM *d;
+
+ // disable all of them
+ for(c = 0, d = r->st->dimensions; d ;c++, d = d->next)
+ r->od[c] |= RRDR_HIDDEN;
+
+ while(o && *o && (tok = mystrsep(&o, ",|"))) {
+ if(!*tok) continue;
+
+ uint32_t hash = simple_hash(tok);
+
+ // find it and enable it
+ for(c = 0, d = r->st->dimensions; d ;c++, d = d->next) {
+ if(unlikely((hash == d->hash && !strcmp(d->id, tok)) || !strcmp(d->name, tok))) {
+ r->od[c] &= ~RRDR_HIDDEN;
+
+ // 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 (!(options & RRDR_OPTION_NONZERO)) 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;
- }
+ 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)
{
- if(options & RRDR_OPTION_NONZERO) {
- long i;
-
- 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)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)
{
- 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, rrdset_first_entry_t(r->st)
- , kq, kq, rrdset_last_entry_t(r->st)
- , kq, kq, r->before
- , kq, kq, 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) {
+ 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);
+ 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) {
- 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 ];
-
- if(co[c] & RRDR_EMPTY)
- buffer_strcat(wb, "null");
- else
- buffer_rrd_value(wb, cn[c]);
- }
- }
- if(!i) {
- rows = 0;
- buffer_strcat(wb, "null");
- }
-
- buffer_sprintf(wb, "],\n"
- " %sdimensions%s: %d,\n"
- " %spoints%s: %d,\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);
+ 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) {
+ 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 ];
+
+ if(co[c] & RRDR_EMPTY)
+ buffer_strcat(wb, "null");
+ else
+ buffer_rrd_value(wb, cn[c]);
+ }
+ }
+ 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)
{
- if(r) {;}
- if(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");
+ (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
static void rrdr2json(RRDR *r, BUFFER *wb, uint32_t options, int datatable)
{
- //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, 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_SECONDS) || (options & RRDR_OPTION_MILLISECONDS)) {
- dates = JSON_DATES_TIMESTAMP;
- dates_with_new = 0;
- }
- else {
- dates = JSON_DATES_JS;
- dates_with_new = 1;
- }
- 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);
- }
-
- 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;
- }
-
- // 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;
-
- 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);
+ //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_SECONDS) || (options & RRDR_OPTION_MILLISECONDS)) {
+ dates = JSON_DATES_TIMESTAMP;
+ dates_with_new = 0;
+ }
+ else {
+ dates = JSON_DATES_JS;
+ dates_with_new = 1;
+ }
+ 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);
+ }
+
+ 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;
+ }
+
+ // 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;
+
+ 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)
{
- //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);
- }
-
- 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;
- }
-
- // 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;
-
- buffer_rrd_value(wb, n);
- }
- }
-
- buffer_strcat(wb, endline);
- }
- //info("RRD2CSV(): %s: END", r->st->id);
+ //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);
+ }
+
+ 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;
+ }
+
+ // 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;
+
+ 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) {
- 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;
- 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;
- }
-
- // 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(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;
+ 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;
+ 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;
+ }
+
+ // 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(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);
+ //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 ];
+ return &r->v[ r->c * r->d ];
}
inline static uint8_t *rrdr_line_options(RRDR *r)
{
- return &r->o[ r->c * r->d ];
+ return &r->o[ r->c * r->d ];
}
inline static int rrdr_line_init(RRDR *r, time_t t)
{
- r->c++;
+ 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;
- }
+ 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;
+ // save the time
+ r->t[r->c] = t;
- return 1;
+ return 1;
}
inline static void rrdr_lock_rrdset(RRDR *r) {
- if(unlikely(!r)) {
- error("NULL value given!");
- return;
- }
+ if(unlikely(!r)) {
+ error("NULL value given!");
+ return;
+ }
- pthread_rwlock_rdlock(&r->st->rwlock);
- r->has_st_lock = 1;
+ pthread_rwlock_rdlock(&r->st->rwlock);
+ 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)) {
- pthread_rwlock_unlock(&r->st->rwlock);
- r->has_st_lock = 0;
- }
+ if(unlikely(!r)) {
+ error("NULL value given!");
+ return;
+ }
+
+ if(likely(r->has_st_lock)) {
+ pthread_rwlock_unlock(&r->st->rwlock);
+ r->has_st_lock = 0;
+ }
}
inline static void rrdr_free(RRDR *r)
{
- if(unlikely(!r)) {
- error("NULL value given!");
- return;
- }
-
- rrdr_unlock_rrdset(r);
- if(likely(r->t)) free(r->t);
- if(likely(r->v)) free(r->v);
- if(likely(r->o)) free(r->o);
- if(likely(r->od)) free(r->od);
- free(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);
}
-inline void rrdr_done(RRDR *r)
+static inline void rrdr_done(RRDR *r)
{
- r->rows = r->c + 1;
- r->c = 0;
+ 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;
- }
+ if(unlikely(!st)) {
+ error("NULL value given!");
+ return NULL;
+ }
- RRDR *r = calloc(1, sizeof(RRDR));
- if(unlikely(!r)) goto cleanup;
+ RRDR *r = callocz(1, sizeof(RRDR));
+ r->st = st;
- r->st = st;
+ rrdr_lock_rrdset(r);
- rrdr_lock_rrdset(r);
+ RRDDIM *rd;
+ for(rd = st->dimensions ; rd ; rd = rd->next) r->d++;
- RRDDIM *rd;
- for(rd = st->dimensions ; rd ; rd = rd->next) r->d++;
+ r->n = n;
- 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));
- r->t = malloc(n * sizeof(time_t));
- if(unlikely(!r->t)) goto cleanup;
+ // set the hidden flag on hidden dimensions
+ int c;
+ for(c = 0, rd = st->dimensions ; rd ; c++, rd = rd->next) {
+ if(unlikely(rd->flags & RRDDIM_FLAG_HIDDEN)) r->od[c] = RRDR_HIDDEN;
+ else r->od[c] = 0;
+ }
- r->v = malloc(n * r->d * sizeof(calculated_number));
- if(unlikely(!r->v)) goto cleanup;
+ r->c = -1;
+ r->group = 1;
+ r->update_every = 1;
- r->o = malloc(n * r->d * sizeof(uint8_t));
- if(unlikely(!r->o)) goto cleanup;
-
- r->od = malloc(r->d * sizeof(uint8_t));
- if(unlikely(!r->od)) goto cleanup;
-
- // set the hidden flag on hidden dimensions
- int c;
- for(c = 0, rd = st->dimensions ; rd ; c++, rd = rd->next) {
- if(unlikely(rd->flags & 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;
-
-cleanup:
- error("Cannot allocate RRDR memory for %d entries", n);
- if(likely(r)) rrdr_free(r);
- return NULL;
+ return r;
}
RRDR *rrd2rrdr(RRDSET *st, long points, long long after, long long before, int group_method, int aligned)
{
- int debug = st->debug;
- 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) {
- before = last_entry_t;
- after = first_entry_t;
- absolute_period_requested = 0;
- }
-
- // allow relative for before and after
- if(before <= st->update_every * st->entries) {
- before = last_entry_t + before;
- absolute_period_requested = 0;
- }
-
- if(after <= st->update_every * st->entries) {
- after = last_entry_t + 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 wanted points
- if(points < 0) points = -points;
- if(points > available_points) points = available_points;
- if(points == 0) points = available_points;
-
- // calculate proper grouping of source data
- long group = available_points / points;
- if(group <= 0) group = 1;
-
- // round group to the closest integer
- if(available_points % points > points / 2) group++;
-
- time_t after_new = (aligned) ? (after - (after % (group * st->update_every))) : after;
- time_t before_new = (aligned) ? (before - (before % (group * st->update_every))) : before;
- 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);
+ int debug = st->debug;
+ 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 wanted points
+ if(points < 0) points = -points;
+ if(points > available_points) points = available_points;
+ if(points == 0) points = available_points;
+
+ // calculate proper grouping of source data
+ long group = available_points / points;
+ if(group <= 0) group = 1;
+
+ // round group to the closest integer
+ if(available_points % points > points / 2) group++;
+
+ time_t after_new = (aligned) ? (after - (after % (group * st->update_every))) : after;
+ time_t before_new = (aligned) ? (before - (before % (group * st->update_every))) : before;
+ 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("after_new %u is too small, minimum %u", after_new, first_entry_t);
- }
- if(after_new > last_entry_t) {
- error("after_new %u is too big, maximum %u", after_new, last_entry_t);
- }
- if(before_new < first_entry_t) {
- error("before_new %u is too small, minimum %u", before_new, first_entry_t);
- }
- if(before_new > last_entry_t) {
- error("before_new %u is too big, maximum %u", before_new, last_entry_t);
- }
- if(start_at_slot < 0 || start_at_slot >= st->entries) {
- error("start_at_slot is invalid %ld, expected %ld to %ld", start_at_slot, 0, st->entries - 1);
- }
- if(stop_at_slot < 0 || stop_at_slot >= st->entries) {
- error("stop_at_slot is invalid %ld, expected %ld to %ld", stop_at_slot, 0, st->entries - 1);
- }
- if(points_new > (before_new - after_new) / group / st->update_every + 1) {
- error("points_new %ld is more than points %ld", points_new, (before_new - after_new) / group / st->update_every + 1);
- }
+ if(after_new < first_entry_t) {
+ error("after_new %u is too small, minimum %u", (uint32_t)after_new, (uint32_t)first_entry_t);
+ }
+ if(after_new > last_entry_t) {
+ error("after_new %u is too big, maximum %u", (uint32_t)after_new, (uint32_t)last_entry_t);
+ }
+ if(before_new < first_entry_t) {
+ error("before_new %u is too small, minimum %u", (uint32_t)before_new, (uint32_t)first_entry_t);
+ }
+ if(before_new > last_entry_t) {
+ error("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("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("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("points_new %ld is more than points %ld", points_new, (before_new - after_new) / group / st->update_every + 1);
+ }
#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);
+ //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;
+ 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
+ // 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
+ // -------------------------------------------------------------------------
+ // initialize our result set
- RRDR *r = rrdr_create(st, points);
- if(!r) {
+ RRDR *r = rrdr_create(st, points);
+ if(!r) {
#ifdef NETDATA_INTERNAL_CHECKS
- error("Cannot create RRDR for %s, after=%u, before=%u, duration=%u, points=%d", st->id, after, before, duration, points);
+ error("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(!r->d) {
+ return NULL;
+ }
+ if(!r->d) {
#ifdef NETDATA_INTERNAL_CHECKS
- error("Returning empty RRDR (no dimensions in RRDSET) for %s, after=%u, before=%u, duration=%u, points=%d", st->id, after, before, duration, points);
+ error("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(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
-
- if(debug) debug(D_RRD_STATS, "INFO %s first_t: %lu, last_t: %lu, all_duration: %lu, after: %lu, before: %lu, duration: %lu, points: %ld, group: %ld"
- , st->id
- , first_entry_t
- , last_entry_t
- , last_entry_t - first_entry_t
- , after
- , before
- , duration
- , points
- , group
- );
-
-
- // -------------------------------------------------------------------------
- // temp arrays for keeping values per 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;
- for( rd = st->dimensions, c = 0 ; rd && c < dimensions ; rd = rd->next, c++) {
- group_values[c] = 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;
-
- if(unlikely(debug)) debug(D_RRD_STATS, "BEGIN %s after_t: %lu (stop_at_t: %ld), before_t: %lu (start_at_t: %ld), start_t(now): %lu, current_entry: %ld, entries: %ld"
- , st->id
- , after
- , stop_at_slot
- , before
- , start_at_slot
- , now
- , st->current_entry
- , st->entries
- );
-
- r->group = group;
- r->update_every = 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;
-
- if(unlikely(debug)) debug(D_RRD_STATS, "ROW %s slot: %ld, entries_counter: %ld, group_count: %ld, added: %ld, now: %lu, %s %s"
- , st->id
- , slot
- , counter
- , group_count + 1
- , added
- , now
- , (group_count + 1 == group)?"PRINT":" - "
- , (now >= after && now <= before)?"RANGE":" - "
- );
-
- // 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_MAX:
- if(unlikely(fabsl(value) > fabsl(group_values[c])))
- group_values[c] = value;
- break;
-
- default:
- case GROUP_SUM:
- case GROUP_AVERAGE:
- group_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;
- }
- else if(unlikely(group_method == GROUP_AVERAGE)) {
- cn[c] = group_values[c] / group_counts[c];
- }
- else {
- cn[c] = group_values[c];
- }
-
- if(cn[c] < r->min) r->min = cn[c];
- if(cn[c] > r->max) r->max = cn[c];
-
- // reset them for the next loop
- group_values[c] = 0;
- 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;
+ return r;
+ }
+
+ if(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
+
+ 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"
+ , 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
+ );
+
+
+ // -------------------------------------------------------------------------
+ // 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;
+ 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;
+
+ 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
+ );
+
+ r->group = group;
+ r->update_every = 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;
+
+ 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":" - "
+ );
+
+ // 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])) ||
+ fabsl(value) < fabsl(group_values[c]))
+ group_values[c] = value;
+ break;
+
+ case GROUP_MAX:
+ if(unlikely(isnan(group_values[c])) ||
+ fabsl(value) > fabsl(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:
+ 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 rrd2value(RRDSET *st, BUFFER *wb, calculated_number *n, BUFFER *dimensions, long points, long long after, long long before, int group_method, uint32_t options, time_t *latest_timestamp, int *value_is_null)
+int rrd2value(RRDSET *st, BUFFER *wb, calculated_number *n, const char *dimensions, long points, long long after, long long before, int group_method, uint32_t options, time_t *db_after, time_t *db_before, int *value_is_null)
{
- RRDR *r = rrd2rrdr(st, points, after, before, group_method, !(options & RRDR_OPTION_NOT_ALIGNED));
- if(!r) {
- if(value_is_null) *value_is_null = 1;
- return 500;
- }
+ RRDR *r = rrd2rrdr(st, points, after, before, group_method, !(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;
- if(rrdr_rows(r) == 0) {
- rrdr_free(r);
- if(value_is_null) *value_is_null = 1;
- return 400;
- }
+ return 400;
+ }
- if(r->result_options & RRDR_RESULT_OPTION_RELATIVE)
- wb->options |= WB_CONTENT_NO_CACHEABLE;
- else if(r->result_options & RRDR_RESULT_OPTION_ABSOLUTE)
- wb->options |= WB_CONTENT_CACHEABLE;
+ 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);
+ options = rrdr_check_options(r, options, dimensions);
- if(dimensions)
- rrdr_disable_not_selected_dimensions(r, buffer_tostring(dimensions));
+ if(dimensions)
+ rrdr_disable_not_selected_dimensions(r, options, dimensions);
- if(latest_timestamp)
- *latest_timestamp = r->before;
+ 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);
+ long i = (options & RRDR_OPTION_REVERSED)?rrdr_rows(r) - 1:0;
+ *n = rrdr2value(r, i, options, value_is_null);
- rrdr_free(r);
- return 200;
+ rrdr_free(r);
+ return 200;
}
int rrd2format(RRDSET *st, BUFFER *wb, BUFFER *dimensions, uint32_t format, long points, long long after, long long before, int group_method, uint32_t options, time_t *latest_timestamp)
{
- RRDR *r = rrd2rrdr(st, points, after, before, group_method, !(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)
- wb->options |= WB_CONTENT_NO_CACHEABLE;
- else if(r->result_options & RRDR_RESULT_OPTION_ABSOLUTE)
- wb->options |= WB_CONTENT_CACHEABLE;
-
- options = rrdr_check_options(r, options, (dimensions)?buffer_tostring(dimensions):NULL);
-
- if(dimensions)
- rrdr_disable_not_selected_dimensions(r, 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;
+ RRDR *r = rrd2rrdr(st, points, after, before, group_method, !(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;
}
time_t rrd_stats_json(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;
- pthread_rwlock_rdlock(&st->rwlock);
+ int c;
+ pthread_rwlock_rdlock(&st->rwlock);
- // -------------------------------------------------------------------------
- // switch from JSON to google JSON
+ // -------------------------------------------------------------------------
+ // 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;
+ 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;
- }
+ case DATASOURCE_JSON:
+ default:
+ break;
+ }
- // -------------------------------------------------------------------------
- // validate the parameters
+ // -------------------------------------------------------------------------
+ // validate the parameters
- if(points < 1) points = 1;
- if(group < 1) group = 1;
+ 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);
+ 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;
+ // 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
+ // -------------------------------------------------------------------------
+ // find how many dimensions we have
- int dimensions = 0;
- RRDDIM *rd;
- for( rd = st->dimensions ; rd ; rd = rd->next) dimensions++;
- if(!dimensions) {
- pthread_rwlock_unlock(&st->rwlock);
- buffer_strcat(wb, "No dimensions yet.");
- return 0;
- }
+ int dimensions = 0;
+ RRDDIM *rd;
+ for( rd = st->dimensions ; rd ; rd = rd->next) dimensions++;
+ if(!dimensions) {
+ pthread_rwlock_unlock(&st->rwlock);
+ buffer_strcat(wb, "No dimensions yet.");
+ return 0;
+ }
- // -------------------------------------------------------------------------
- // prepare various strings, to speed up the loop
+ // -------------------------------------------------------------------------
+ // 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, "}");
+ 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
+ // -------------------------------------------------------------------------
+ // checks for debugging
- if(st->debug) {
- debug(D_RRD_STATS, "%s first_entry_t = %lu, last_entry_t = %lu, duration = %lu, after = %lu, before = %lu, duration = %lu, entries_to_show = %lu, group = %lu"
- , 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(st->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 (%lu) is earlier than the oldest (%lu)", st->name, before, after);
+ 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 (%lu) is higher than the capacity of the database (%lu)", 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];
+ 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] = (rd->flags & RRDDIM_FLAG_HIDDEN)?1:0;
- found_non_zero[c] = 0;
- found_non_existing[c] = 0;
- }
+ // initialize them
+ for( rd = st->dimensions, c = 0 ; rd && c < dimensions ; rd = rd->next, c++) {
+ group_values[c] = 0;
+ print_hidden[c] = (rd->flags & 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(st->debug) debug(D_RRD_STATS, "%s: REQUEST after:%lu before:%lu, points:%d, group:%d, CHART cur:%ld first: %lu last:%lu, CALC start_t:%ld, stop_t:%ld"
- , st->id
- , after
- , before
- , points
- , group
- , st->current_entry
- , rrdset_first_entry_t(st)
- , 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(st->debug) debug(D_RRD_STATS, "%s t = %ld, count = %ld, group_count = %ld, printed = %ld, now = %lu, %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 %ld bytes", st->name, wb->len);
-
- pthread_rwlock_unlock(&st->rwlock);
- return last_timestamp;
+ // 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(st->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(st->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 %lu bytes", st->name, wb->len);
+
+ pthread_rwlock_unlock(&st->rwlock);
+ return last_timestamp;
}
projects / netdata.git / blobdiff