#include <config.h>
#endif
#include <pthread.h>
-#include <sys/time.h>
#include <stdlib.h>
+#include <string.h>
+#include <stdint.h>
#include "log.h"
#include "common.h"
#define HOSTNAME_MAX 1024
char *hostname = "unknown";
-unsigned long rrd_stats_one_json(RRDSET *st, char *options, struct web_buffer *wb)
+void rrd_stats_api_v1_chart(RRDSET *st, BUFFER *wb)
+{
+ 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);
+}
+
+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");
+}
+
+
+unsigned long rrd_stats_one_json(RRDSET *st, char *options, BUFFER *wb)
{
time_t now = time(NULL);
- web_buffer_increase(wb, 65536);
pthread_rwlock_rdlock(&st->rwlock);
- web_buffer_printf(wb,
+ 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"
, st->name
, st->type
, st->family
+ , st->context
, st->title
, st->priority
, st->enabled
RRDDIM *rd;
for(rd = st->dimensions; rd ; rd = rd->next) {
- web_buffer_increase(wb, 4096);
memory += rd->memsize;
- web_buffer_printf(wb,
+ buffer_sprintf(wb,
"\t\t\t\t{\n"
"\t\t\t\t\t\"id\": \"%s\",\n"
"\t\t\t\t\t\"name\": \"%s\",\n"
);
}
- web_buffer_printf(wb,
+ buffer_sprintf(wb,
"\t\t\t],\n"
"\t\t\t\"memory\" : %lu\n"
"\t\t}"
#define RRD_GRAPH_JSON_HEADER "{\n\t\"charts\": [\n"
#define RRD_GRAPH_JSON_FOOTER "\n\t]\n}\n"
-void rrd_stats_graph_json(RRDSET *st, char *options, struct web_buffer *wb)
+void rrd_stats_graph_json(RRDSET *st, char *options, BUFFER *wb)
{
- web_buffer_increase(wb, 2048);
-
- web_buffer_printf(wb, RRD_GRAPH_JSON_HEADER);
+ buffer_strcat(wb, RRD_GRAPH_JSON_HEADER);
rrd_stats_one_json(st, options, wb);
- web_buffer_printf(wb, RRD_GRAPH_JSON_FOOTER);
+ buffer_strcat(wb, RRD_GRAPH_JSON_FOOTER);
}
-void rrd_stats_all_json(struct web_buffer *wb)
+void rrd_stats_all_json(BUFFER *wb)
{
- web_buffer_increase(wb, 2048);
-
unsigned long memory = 0;
long c;
RRDSET *st;
- web_buffer_printf(wb, RRD_GRAPH_JSON_HEADER);
+ 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) web_buffer_printf(wb, "%s", ",\n");
+ if(c) buffer_strcat(wb, ",\n");
memory += rrd_stats_one_json(st, NULL, wb);
c++;
}
}
pthread_rwlock_unlock(&rrdset_root_rwlock);
-
- web_buffer_printf(wb, "\n\t],\n"
+
+ buffer_sprintf(wb, "\n\t],\n"
"\t\"hostname\": \"%s\",\n"
"\t\"update_every\": %d,\n"
"\t\"history\": %d,\n"
// ----------------------------------------------------------------------------
-// RRDR options
-#define RRDR_EMPTY 0x01
-#define RRDR_RESET 0x02
-#define RRDR_HIDDEN 0x04
-#define RRDR_NONZERO 0x08
+// 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
+// RRDR result options
+#define RRDR_RESULT_OPTION_ABSOLUTE 0x00000001
+#define RRDR_RESULT_OPTION_RELATIVE 0x00000002
typedef struct rrdresult {
RRDSET *st; // the chart this result refers to
+ uint32_t result_options; // RRDR_RESULT_OPTION_*
+
int d; // the number of dimensions
- int n; // the number of values in the arrays
+ long n; // the number of values in the arrays
+ long rows; // the number of rows used
uint8_t *od; // the options for the dimensions
calculated_number *v; // array n x d values
uint8_t *o; // array n x d options
- int c; // current line ( 0 ~ n )
+ 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
+
+ calculated_number min;
+ calculated_number max;
+
+ time_t before;
+ time_t after;
int has_st_lock; // if st is read locked by us
} RRDR;
+#define rrdr_rows(r) ((r)->rows)
+
+/*
static void rrdr_dump(RRDR *r)
{
long c, i;
);
}
- if(r->c < 0) {
+ 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->c + 1);
+ fprintf(stderr, "RRDR includes %d values in it:\n", r->rows);
// for each line in the array
- for(i = 0; i <= r->c ;i++) {
+ for(i = 0; i < r->rows ;i++) {
calculated_number *cn = &r->v[ i * r->d ];
uint8_t *co = &r->o[ i * r->d ];
fprintf(stderr, "\n");
}
}
+*/
+
+void rrdr_disable_not_selected_dimensions(RRDR *r, 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;
+ }
+ }
+ }
+}
+
+void rrdr_buffer_print_format(BUFFER *wb, uint32_t format)
+{
+ switch(format) {
+ case DATASOURCE_JSON:
+ buffer_strcat(wb, DATASOURCE_FORMAT_JSON);
+ break;
+
+ case DATASOURCE_DATATABLE_JSON:
+ buffer_strcat(wb, DATASOURCE_FORMAT_DATATABLE_JSON);
+ break;
+
+ case DATASOURCE_DATATABLE_JSONP:
+ buffer_strcat(wb, DATASOURCE_FORMAT_DATATABLE_JSONP);
+ break;
+
+ case DATASOURCE_JSONP:
+ buffer_strcat(wb, DATASOURCE_FORMAT_JSONP);
+ break;
+
+ case DATASOURCE_SSV:
+ buffer_strcat(wb, DATASOURCE_FORMAT_SSV);
+ break;
+
+ case DATASOURCE_CSV:
+ buffer_strcat(wb, DATASOURCE_FORMAT_CSV);
+ break;
+
+ case DATASOURCE_TSV:
+ buffer_strcat(wb, DATASOURCE_FORMAT_TSV);
+ break;
+
+ case DATASOURCE_HTML:
+ buffer_strcat(wb, DATASOURCE_FORMAT_HTML);
+ break;
+
+ case DATASOURCE_JS_ARRAY:
+ buffer_strcat(wb, DATASOURCE_FORMAT_JS_ARRAY);
+ break;
+
+ case DATASOURCE_SSV_COMMA:
+ buffer_strcat(wb, DATASOURCE_FORMAT_SSV_COMMA);
+ break;
+
+ default:
+ buffer_strcat(wb, "unknown");
+ break;
+ }
+}
+
+uint32_t rrdr_check_options(RRDR *r, uint32_t options, const char *dims)
+{
+ 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 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) {
+#ifdef NETDATA_INTERNAL_CHECKS
+ error("RRDR is empty for %s (RRDR has %d dimensions, options is 0x%08x)", r->st->id, r->d, options);
+#endif
+ rows = 0;
+ buffer_strcat(wb, sq);
+ buffer_strcat(wb, "no data");
+ buffer_strcat(wb, sq);
+ }
+
+ buffer_sprintf(wb, "],\n"
+ " %sdimension_ids%s: ["
+ , kq, kq);
+
+ for(c = 0, i = 0, rd = r->st->dimensions; rd && c < r->d ;c++, rd = rd->next) {
+ if(unlikely(r->od[c] & RRDR_HIDDEN)) continue;
+ if(unlikely((options & RRDR_OPTION_NONZERO) && !(r->od[c] & RRDR_NONZERO))) continue;
+
+ if(i) buffer_strcat(wb, ", ");
+ buffer_strcat(wb, sq);
+ buffer_strcat(wb, rd->id);
+ buffer_strcat(wb, sq);
+ i++;
+ }
+ if(!i) {
+ rows = 0;
+ buffer_strcat(wb, sq);
+ buffer_strcat(wb, "no data");
+ buffer_strcat(wb, sq);
+ }
+
+ buffer_sprintf(wb, "],\n"
+ " %slatest_values%s: ["
+ , kq, kq);
+
+ for(c = 0, i = 0, rd = r->st->dimensions; rd && c < r->d ;c++, rd = rd->next) {
+ if(unlikely(r->od[c] & RRDR_HIDDEN)) continue;
+ if(unlikely((options & RRDR_OPTION_NONZERO) && !(r->od[c] & RRDR_NONZERO))) continue;
+
+ if(i) buffer_strcat(wb, ", ");
+ i++;
+
+ storage_number n = rd->values[rrdset_last_slot(r->st)];
+
+ if(!does_storage_number_exist(n))
+ buffer_strcat(wb, "null");
+ else
+ buffer_rrd_value(wb, unpack_storage_number(n));
+ }
+ if(!i) {
+ rows = 0;
+ buffer_strcat(wb, "null");
+ }
+
+ buffer_sprintf(wb, "],\n"
+ " %sview_latest_values%s: ["
+ , kq, kq);
+
+ i = 0;
+ if(rows) {
+ 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);
+}
+
+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");
+}
+
+#define JSON_DATES_JS 1
+#define JSON_DATES_TIMESTAMP 2
+
+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;
+ snprintf(pre_date, 100, " {%sc%s:[{%sv%s:%s", kq, kq, kq, kq, sq);
+ snprintf(post_date, 100, "%s}", sq);
+ snprintf(pre_label, 100, ",\n {%sid%s:%s%s,%slabel%s:%s", kq, kq, sq, sq, kq, kq, sq);
+ snprintf(post_label, 100, "%s,%spattern%s:%s%s,%stype%s:%snumber%s}", sq, kq, kq, sq, sq, kq, kq, sq, sq);
+ snprintf(pre_value, 100, ",{%sv%s:", kq, kq);
+ snprintf(post_value, 100, "}");
+ snprintf(post_line, 100, "]}");
+ snprintf(data_begin, 100, "\n ],\n %srows%s:\n [\n", kq, kq);
+ snprintf(finish, 100, "\n ]\n}");
+
+ snprintf(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);
+ snprintf(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 )
+ snprintf(pre_date, 100, " { ");
+ else
+ snprintf(pre_date, 100, " [ ");
+ snprintf(pre_label, 100, ", \"");
+ snprintf(post_label, 100, "\"");
+ snprintf(pre_value, 100, ", ");
+ if( options & RRDR_OPTION_OBJECTSROWS )
+ snprintf(post_line, 100, "}");
+ else
+ snprintf(post_line, 100, "]");
+ snprintf(data_begin, 100, "],\n %sdata%s:\n [\n", kq, kq);
+ snprintf(finish, 100, "\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, 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);
+}
+
+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 c, i;
+ RRDDIM *d;
+
+ 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
+ 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 ];
+
+ calculated_number sum = 0, min = 0, max = 0, v;
+ int all_null = 1, init = 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(likely(i != start))
+ buffer_strcat(wb, separator);
+
+ if(all_null) {
+ if(options & RRDR_OPTION_NULL2ZERO)
+ buffer_strcat(wb, "0");
+ else
+ buffer_strcat(wb, "null");
+ }
+ else {
+ if(options & RRDR_OPTION_MIN2MAX)
+ v = max - min;
+ else
+ v = sum;
+
+ 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;
+ }
+
+ 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)
{
inline static int rrdr_line_init(RRDR *r, time_t t)
{
r->c++;
+
if(unlikely(r->c >= r->n)) {
+ error("requested to step above RRDR size for chart %s", r->st->name);
r->c = r->n - 1;
- return 0;
}
// save the time
free(r);
}
-static RRDR *rrdr_create(RRDSET *st, int n)
+inline void rrdr_done(RRDR *r)
+{
+ r->rows = r->c + 1;
+ r->c = 0;
+}
+
+static RRDR *rrdr_create(RRDSET *st, long n)
{
if(unlikely(!st)) {
error("NULL value given!");
for(rd = st->dimensions ; rd ; rd = rd->next) r->d++;
r->n = n;
- r->t = malloc(n * sizeof(time_t));
- if(unlikely(!r->t)) goto cleanup;
r->t = malloc(n * sizeof(time_t));
if(unlikely(!r->t)) goto cleanup;
r->o = malloc(n * r->d * sizeof(uint8_t));
if(unlikely(!r->o)) goto cleanup;
- r->od = calloc(r->d, sizeof(uint8_t));
+ 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 memory");
+ error("Cannot allocate RRDR memory for %d entries", n);
if(likely(r)) rrdr_free(r);
return NULL;
}
-RRDR *rrd2rrdr(RRDSET *st, long points, time_t after, time_t before, int group_method)
+RRDR *rrd2rrdr(RRDSET *st, long points, long long after, long long before, int group_method)
{
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;
- if(after <= st->update_every * st->entries) after = last_entry_t + 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;
// check if they are upside down
if(after > before) {
- time_t t = before;
+ time_t tmp = before;
before = after;
- after = t;
+ after = tmp;
}
// the duration of the chart
time_t duration = before - after;
- if(duration <= 0) return NULL;
+ long available_points = duration / st->update_every;
- // check the required points
- if(points <= 0) points = duration;
+ 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 = duration / points;
+ long group = available_points / points;
if(group <= 0) group = 1;
- if(duration / group > points) group++;
- // error("NEW: points=%d after=%d before=%d group=%d, duration=%d", points, after, before, group, duration);
+ // round group to the closest integer
+ if(available_points % points > points / 2) group++;
+
+ time_t after_new = after - (after % (group * st->update_every));
+ time_t before_new = before - (before % (group * st->update_every));
+ long points_new = (before_new - after_new) / st->update_every / group;
+
+ // find the starting and ending slots in our round robin db
+ long start_at_slot = rrdset_time2slot(st, before_new),
+ stop_at_slot = rrdset_time2slot(st, after_new);
+
+#ifdef NETDATA_INTERNAL_CHECKS
+ if(after_new < first_entry_t) {
+ error("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);
+ }
+#endif
+
+ //info("RRD2RRDR(): %s: wanted %ld points, got %ld - group=%ld, wanted duration=%u, got %u - wanted %ld - %ld, got %ld - %ld", st->id, points, points_new, group, before - after, before_new - after_new, after, before, after_new, before_new);
+
+ after = after_new;
+ before = before_new;
+ duration = before - after;
+ points = points_new;
// Now we have:
// before = the end time of the calculation
// initialize our result set
RRDR *r = rrdr_create(st, points);
- if(!r) return NULL;
- if(!r->d) {
- rrdr_free(r);
+ 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);
+#endif
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);
+#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;
// -------------------------------------------------------------------------
// the main loop
- long t = rrdset_time2slot(st, before), // rrdset_last_slot(st),
- stop_at_t = rrdset_time2slot(st, after),
- added = 0,
- group_count = 0,
- add_this = 0,
- stop_now = 0;
-
- // align to group for proper panning of data
- t -= t % group;
-
- time_t now = rrdset_slot2time(st, t),
+ time_t now = rrdset_slot2time(st, start_at_slot),
dt = st->update_every,
group_start_t = 0;
- if(debug) debug(D_RRD_STATS, "BEGIN %s after_t: %lu (stop slot %ld), before_t: %lu (start slot %ld), start_t(now): %lu"
+ 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_t
+ , stop_at_slot
, before
- , t
+ , start_at_slot
, now
+ , st->current_entry
+ , st->entries
);
- for( ; !stop_now ; now -= dt, t--) {
- if(unlikely(t < 0)) c = st->entries - 1;
- if(t == stop_at_t) stop_now = 1;
+ r->group = group;
+ r->update_every = group * st->update_every;
+ r->before = now;
+ r->after = now;
+
+ //info("RRD2RRDR(): %s: STARTING", st->id);
- if(debug) debug(D_RRD_STATS, "ROW %s c: %ld, group_count: %ld, added: %ld, now: %lu, %s %s"
+ 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
- , t
+ , slot
+ , counter
, group_count + 1
, added
, now
if(unlikely(now > before)) continue;
if(unlikely(now < after)) break;
- if(group_count == 0) group_start_t = now;
+ if(unlikely(group_count == 0)) {
+ group_start_t = now;
+ }
group_count++;
if(unlikely(group_count == group)) {
}
// do the calculations
- for(rd = st->dimensions, c = 0 ; likely(rd && c < dimensions) ; rd = rd->next, c++) {
- storage_number n = rd->values[t];
+ 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(value != 0.0) {
+ if(likely(value != 0.0)) {
group_options[c] |= RRDR_NONZERO;
found_non_zero[c] = 1;
}
// added it
if(unlikely(add_this)) {
- if(!rrdr_line_init(r, group_start_t)) break;
+ 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 ; likely(rd && c < dimensions) ; rd = rd->next, c++) {
+ for(rd = st->dimensions, c = 0 ; rd && c < dimensions ; rd = rd->next, c++) {
// update the dimension options
- if(found_non_zero[c]) r->od[c] |= RRDR_NONZERO;
- if(rd->flags & RRDDIM_FLAG_HIDDEN) r->od[c] |= RRDR_HIDDEN;
+ 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(group_counts[c] == 0) {
+ if(unlikely(group_counts[c] == 0)) {
cn[c] = 0.0;
co[c] |= RRDR_EMPTY;
}
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;
}
}
- rrdr_dump(r);
+ 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 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);
+ 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 NULL;
+ return 200;
}
-unsigned long rrd_stats_json(int type, RRDSET *st, struct web_buffer *wb, int points, int group, int group_method, time_t after, time_t before, int only_non_zero)
+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);
char kq[2] = "\"";
char sq[2] = "\"";
switch(type) {
- case DATASOURCE_GOOGLE_JSON:
- case DATASOURCE_GOOGLE_JSONP:
+ case DATASOURCE_DATATABLE_JSON:
+ case DATASOURCE_DATATABLE_JSONP:
kq[0] = '\0';
sq[0] = '\'';
break;
for( rd = st->dimensions ; rd ; rd = rd->next) dimensions++;
if(!dimensions) {
pthread_rwlock_unlock(&st->rwlock);
- web_buffer_printf(wb, "No dimensions yet.");
+ buffer_strcat(wb, "No dimensions yet.");
return 0;
}
// -------------------------------------------------------------------------
// print the JSON header
- web_buffer_printf(wb, "{\n %scols%s:\n [\n", kq, kq);
- web_buffer_printf(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);
- web_buffer_printf(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);
- web_buffer_printf(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);
+ 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
for( rd = st->dimensions, c = 0 ; rd && c < dimensions ; rd = rd->next, c++) {
if(!print_hidden[c]) {
pc++;
- web_buffer_printf(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);
+ 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) {
- web_buffer_printf(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);
+ 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
- web_buffer_printf(wb, "\n ],\n %srows%s:\n [\n", kq, kq);
+ buffer_sprintf(wb, "\n ],\n %srows%s:\n [\n", kq, kq);
// -------------------------------------------------------------------------
int annotate_reset = 0;
int annotation_count = 0;
- // the minimum line length we expect
- int line_size = 4096 + (dimensions * 200);
-
long t = rrdset_time2slot(st, before),
stop_at_t = rrdset_time2slot(st, after),
stop_now = 0;
, stop_at_t
);
- for(; !stop_now ; now -= dt, 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 = 1;
+ if(t == stop_at_t) stop_now = counter;
int print_this = 0;
break;
}
- // check if we may exceed the buffer provided
- web_buffer_increase(wb, line_size);
-
// generate the local date time
- struct tm *tm = localtime(&now);
+ struct tm tmbuf, *tm = localtime_r(&now, &tmbuf);
if(!tm) { error("localtime() failed."); continue; }
if(now > last_timestamp) last_timestamp = now;
- if(printed) web_buffer_strcpy(wb, "]},\n");
- web_buffer_strcpy(wb, pre_date);
- web_buffer_jsdate(wb, tm->tm_year + 1900, tm->tm_mon, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec);
- web_buffer_strcpy(wb, post_date);
+ 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;
}
if(print_this) {
if(annotate_reset) {
annotation_count++;
- web_buffer_strcpy(wb, overflow_annotation);
+ buffer_strcat(wb, overflow_annotation);
annotate_reset = 0;
}
else
- web_buffer_strcpy(wb, normal_annotation);
+ 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++;
- web_buffer_strcpy(wb, pre_value);
- web_buffer_strcpy(wb, "null");
- web_buffer_strcpy(wb, post_value);
+ buffer_strcat(wb, pre_value);
+ buffer_strcat(wb, "null");
+ buffer_strcat(wb, post_value);
}
else if(!print_hidden[c]) {
pc++;
- web_buffer_strcpy(wb, pre_value);
- web_buffer_rrd_value(wb, group_values[c]);
- web_buffer_strcpy(wb, post_value);
+ 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]++;
}
// if all dimensions are hidden, print a null
if(!pc) {
- web_buffer_strcpy(wb, pre_value);
- web_buffer_strcpy(wb, "null");
- web_buffer_strcpy(wb, post_value);
+ buffer_strcat(wb, pre_value);
+ buffer_strcat(wb, "null");
+ buffer_strcat(wb, post_value);
}
printed++;
}
}
- if(printed) web_buffer_printf(wb, "]}");
- web_buffer_printf(wb, "\n ]\n}\n");
+ if(printed) buffer_strcat(wb, "]}");
+ buffer_strcat(wb, "\n ]\n}\n");
if(only_non_zero && max_loop > 1) {
int changed = 0;
}
}
- if(changed) web_buffer_reset(wb);
+ 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->bytes);
+ debug(D_RRD_STATS, "RRD_STATS_JSON: %s total %ld bytes", st->name, wb->len);
pthread_rwlock_unlock(&st->rwlock);
return last_timestamp;
projects / netdata.git / blobdiff