45 lines
1.2 KiB
C
45 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-3.0-or-later
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#ifndef NETDATA_RRDSETVAR_H
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#define NETDATA_RRDSETVAR_H 1
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#include "rrd.h"
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// variables linked to charts
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// We link variables to point to the values that are already
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// calculated / processed by the normal data collection process
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// This means, there will be no speed penalty for using
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// these variables
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struct rrdsetvar {
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STRING *variable; // variable name
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STRING *key_fullid; // chart type.chart id.variable
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STRING *key_fullname; // chart type.chart name.variable
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RRDVAR_TYPE type;
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void *value;
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RRDVAR_OPTIONS options;
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RRDVAR *var_local;
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RRDVAR *var_family;
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RRDVAR *var_host;
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RRDVAR *var_family_name;
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RRDVAR *var_host_name;
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struct rrdset *rrdset;
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struct rrdsetvar *next;
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struct rrdsetvar *prev;
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};
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extern RRDSETVAR *rrdsetvar_custom_chart_variable_create(RRDSET *st, const char *name);
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extern void rrdsetvar_custom_chart_variable_set(RRDSETVAR *rv, NETDATA_DOUBLE value);
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extern void rrdsetvar_rename_all(RRDSET *st);
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extern RRDSETVAR *rrdsetvar_create(RRDSET *st, const char *variable, RRDVAR_TYPE type, void *value, RRDVAR_OPTIONS options);
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extern void rrdsetvar_free(RRDSETVAR *rs);
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#endif //NETDATA_RRDSETVAR_H
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