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// SPDX-License-Identifier: GPL-3.0-or-later
#ifndef NETDATA_QUERIES_RRDR_H
#define NETDATA_QUERIES_RRDR_H
#include "libnetdata/libnetdata.h"
typedef enum rrdr_options {
RRDR_OPTION_NONZERO = 0x00000001, // don't output dimensions with just zero values
RRDR_OPTION_REVERSED = 0x00000002, // output the rows in reverse order (oldest to newest)
RRDR_OPTION_ABSOLUTE = 0x00000004, // values positive, for DATASOURCE_SSV before summing
RRDR_OPTION_MIN2MAX = 0x00000008, // when adding dimensions, use max - min, instead of sum
RRDR_OPTION_SECONDS = 0x00000010, // output seconds, instead of dates
RRDR_OPTION_MILLISECONDS = 0x00000020, // output milliseconds, instead of dates
RRDR_OPTION_NULL2ZERO = 0x00000040, // do not show nulls, convert them to zeros
RRDR_OPTION_OBJECTSROWS = 0x00000080, // each row of values should be an object, not an array
RRDR_OPTION_GOOGLE_JSON = 0x00000100, // comply with google JSON/JSONP specs
RRDR_OPTION_JSON_WRAP = 0x00000200, // wrap the response in a JSON header with info about the result
RRDR_OPTION_LABEL_QUOTES = 0x00000400, // in CSV output, wrap header labels in double quotes
RRDR_OPTION_PERCENTAGE = 0x00000800, // give values as percentage of total
RRDR_OPTION_NOT_ALIGNED = 0x00001000, // do not align charts for persistent timeframes
RRDR_OPTION_DISPLAY_ABS = 0x00002000, // for badges, display the absolute value, but calculate colors with sign
RRDR_OPTION_MATCH_IDS = 0x00004000, // when filtering dimensions, match only IDs
RRDR_OPTION_MATCH_NAMES = 0x00008000, // when filtering dimensions, match only names
RRDR_OPTION_CUSTOM_VARS = 0x00010000, // when wraping response in a JSON, return custom variables in response
RRDR_OPTION_ALLOW_PAST = 0x00020000, // The after parameter can extend in the past before the first entry
} RRDR_OPTIONS;
typedef enum rrdr_value_flag {
RRDR_VALUE_NOTHING = 0x00, // no flag set (a good default)
RRDR_VALUE_EMPTY = 0x01, // the database value is empty
RRDR_VALUE_RESET = 0x02, // the database value is marked as reset (overflown)
} RRDR_VALUE_FLAGS;
typedef enum rrdr_dimension_flag {
RRDR_DIMENSION_DEFAULT = 0x00,
RRDR_DIMENSION_HIDDEN = 0x04, // the dimension is hidden (not to be presented to callers)
RRDR_DIMENSION_NONZERO = 0x08, // the dimension is non zero (contains non-zero values)
RRDR_DIMENSION_SELECTED = 0x10, // the dimension is selected for evaluation in this RRDR
} RRDR_DIMENSION_FLAGS;
// RRDR result options
typedef enum rrdr_result_flags {
RRDR_RESULT_OPTION_ABSOLUTE = 0x00000001, // the query uses absolute time-frames
// (can be cached by browsers and proxies)
RRDR_RESULT_OPTION_RELATIVE = 0x00000002, // the query uses relative time-frames
// (should not to be cached by browsers and proxies)
RRDR_RESULT_OPTION_VARIABLE_STEP = 0x00000004, // the query uses variable-step time-frames
} RRDR_RESULT_FLAGS;
typedef struct rrdresult {
struct rrdset *st; // the chart this result refers to
RRDR_RESULT_FLAGS 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
RRDR_DIMENSION_FLAGS *od; // the options for the dimensions
time_t *t; // array of n timestamps
calculated_number *v; // array n x d values
RRDR_VALUE_FLAGS *o; // array n x d options for each value returned
long group; // how many collected values were grouped for each row
int update_every; // what is the suggested update frequency in seconds
calculated_number min;
calculated_number max;
time_t before;
time_t after;
int has_st_lock; // if st is read locked by us
uint8_t st_needs_lock; // if ST should be locked
// internal rrd2rrdr() members below this point
struct {
long points_wanted;
long resampling_group;
calculated_number resampling_divisor;
void *(*grouping_create)(struct rrdresult *r);
void (*grouping_reset)(struct rrdresult *r);
void (*grouping_free)(struct rrdresult *r);
void (*grouping_add)(struct rrdresult *r, calculated_number value);
calculated_number (*grouping_flush)(struct rrdresult *r, RRDR_VALUE_FLAGS *rrdr_value_options_ptr);
void *grouping_data;
#ifdef NETDATA_INTERNAL_CHECKS
const char *log;
#endif
size_t db_points_read;
size_t result_points_generated;
} internal;
} RRDR;
#define rrdr_rows(r) ((r)->rows)
#include "../../../database/rrd.h"
extern void rrdr_free(RRDR *r);
extern RRDR *rrdr_create(struct rrdset *st, long n, struct context_param *context_param_list);
#include "../web_api_v1.h"
#include "web/api/queries/query.h"
extern RRDR *rrd2rrdr(
RRDSET *st, long points_requested, long long after_requested, long long before_requested,
RRDR_GROUPING group_method, long resampling_time_requested, RRDR_OPTIONS options, const char *dimensions,
struct context_param *context_param_list);
#include "query.h"
#endif //NETDATA_QUERIES_RRDR_H
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