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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"
#include "web/api/queries/query.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef enum tier_query_fetch {
TIER_QUERY_FETCH_SUM,
TIER_QUERY_FETCH_MIN,
TIER_QUERY_FETCH_MAX,
TIER_QUERY_FETCH_AVERAGE
} TIER_QUERY_FETCH;
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_NATURAL_POINTS = 0x00020000, // return the natural points of the database
RRDR_OPTION_VIRTUAL_POINTS = 0x00040000, // return virtual points
RRDR_OPTION_ANOMALY_BIT = 0x00080000, // Return the anomaly bit stored in each collected_number
RRDR_OPTION_RETURN_RAW = 0x00100000, // Return raw data for aggregating across multiple nodes
RRDR_OPTION_RETURN_JWAR = 0x00200000, // Return anomaly rates in jsonwrap
RRDR_OPTION_SELECTED_TIER = 0x00400000, // Use the selected tier for the query
RRDR_OPTION_ALL_DIMENSIONS = 0x00800000, // Return the full dimensions list
// internal ones - not to be exposed to the API
RRDR_OPTION_INTERNAL_AR = 0x10000000, // internal use only, to let the formatters we want to render the anomaly rate
RRDR_OPTION_HEALTH_RSRVD1 = 0x80000000, // reserved for RRDCALC_OPTION_NO_CLEAR_NOTIFICATION
} 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_OPTION_CANCEL = 0x00000008, // the query needs to be cancelled
} RRDR_RESULT_OPTIONS;
typedef struct rrdresult {
RRDR_RESULT_OPTIONS result_options; // RRDR_RESULT_OPTION_*
size_t d; // the number of dimensions
size_t n; // the number of values in the arrays
size_t rows; // the number of rows used
RRDR_DIMENSION_FLAGS *od; // the options for the dimensions
time_t *t; // array of n timestamps
NETDATA_DOUBLE *v; // array n x d values
RRDR_VALUE_FLAGS *o; // array n x d options for each value returned
NETDATA_DOUBLE *ar; // array n x d of anomaly rates (0 - 100)
size_t group; // how many collected values were grouped for each row
time_t update_every; // what is the suggested update frequency in seconds
NETDATA_DOUBLE min;
NETDATA_DOUBLE max;
time_t before;
time_t after;
// internal rrd2rrdr() members below this point
struct {
ONEWAYALLOC *owa; // the allocator used
struct query_target *qt; // the QUERY_TARGET
RRDR_OPTIONS query_options; // RRDR_OPTION_* (as run by the query)
size_t points_wanted; // used by SES and DES
size_t resampling_group; // used by AVERAGE
NETDATA_DOUBLE resampling_divisor; // used by AVERAGE
// grouping function pointers
void (*grouping_create)(struct rrdresult *r, const char *options);
void (*grouping_reset)(struct rrdresult *r);
void (*grouping_free)(struct rrdresult *r);
void (*grouping_add)(struct rrdresult *r, NETDATA_DOUBLE value);
NETDATA_DOUBLE (*grouping_flush)(struct rrdresult *r, RRDR_VALUE_FLAGS *rrdr_value_options_ptr);
TIER_QUERY_FETCH tier_query_fetch; // which value to use from STORAGE_POINT
void *grouping_data; // the internal data of the grouping function
#ifdef NETDATA_INTERNAL_CHECKS
const char *log;
#endif
// statistics
size_t db_points_read;
size_t result_points_generated;
size_t tier_points_read[RRD_STORAGE_TIERS];
} internal;
} RRDR;
#define rrdr_rows(r) ((r)->rows)
#include "database/rrd.h"
void rrdr_free(ONEWAYALLOC *owa, RRDR *r);
RRDR *rrdr_create(ONEWAYALLOC *owa, struct query_target *qt);
#include "../web_api_v1.h"
#include "web/api/queries/query.h"
RRDR *rrd2rrdr_legacy(
ONEWAYALLOC *owa,
RRDSET *st, size_t points, time_t after, time_t before,
RRDR_GROUPING group_method, time_t resampling_time, RRDR_OPTIONS options, const char *dimensions,
const char *group_options, time_t timeout, size_t tier, QUERY_SOURCE query_source);
RRDR *rrd2rrdr(ONEWAYALLOC *owa, struct query_target *qt);
bool query_target_calculate_window(struct query_target *qt);
bool rrdr_relative_window_to_absolute(time_t *after, time_t *before);
#ifdef __cplusplus
}
#endif
#endif //NETDATA_QUERIES_RRDR_H
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