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/*
* bmon/attr.h Attributes
*
* Copyright (c) 2001-2013 Thomas Graf <tgraf@suug.ch>
* Copyright (c) 2013 Red Hat, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*/
#ifndef __BMON_ATTR_H_
#define __BMON_ATTR_H_
#include <bmon/bmon.h>
#include <bmon/unit.h>
struct element;
struct rate
{
/* Total value of attribute with eventual overflows accumulated. */
uint64_t r_total;
/* Current value of counter */
uint64_t r_current;
/* Value of r_current at last read */
uint64_t r_prev;
/* Rate per second calculated every `rate_interval' */
float r_rate;
/* Time of last calculation */
timestamp_t r_last_calc;
};
enum {
ATTR_TYPE_UNSPEC,
ATTR_TYPE_COUNTER,
ATTR_TYPE_RATE,
ATTR_TYPE_PERCENT,
};
struct attr_def {
int ad_id;
char * ad_name;
char * ad_description;
int ad_type;
int ad_flags;
struct unit * ad_unit;
struct list_head ad_list;
};
struct attr_map {
const char * name;
const char * description;
const char * unit;
int attrid,
type,
rxid,
txid,
flags;
};
extern int attr_def_add(const char *, const char *,
struct unit *, int, int);
extern struct attr_def * attr_def_lookup(const char *);
extern struct attr_def * attr_def_lookup_id(int);
extern int attr_map_load(struct attr_map *map, size_t size);
#define ATTR_FORCE_HISTORY 0x01 /* collect history */
#define ATTR_IGNORE_OVERFLOWS 0x02
#define ATTR_TRUE_64BIT 0x04
#define ATTR_RX_ENABLED 0x08 /* has RX counter */
#define ATTR_TX_ENABLED 0x10 /* has TX counter */
#define ATTR_DOING_HISTORY 0x20 /* history collected */
struct attr
{
struct rate a_rx_rate,
a_tx_rate;
uint8_t a_flags;
struct attr_def * a_def;
timestamp_t a_last_update;
struct list_head a_history_list;
struct list_head a_list;
struct list_head a_sort_list;
};
extern struct attr * attr_lookup(const struct element *, int);
extern void attr_update(struct element *, int,
uint64_t, uint64_t , int );
extern void attr_notify_update(struct attr *,
timestamp_t *);
extern void attr_free(struct attr *);
extern void attr_rate2float(struct attr *,
double *, char **, int *,
double *, char **, int *);
extern void attr_calc_usage(struct attr *, float *, float *,
uint64_t, uint64_t);
#define ATTR_HASH_SIZE 32
#define UPDATE_FLAG_RX 0x01
#define UPDATE_FLAG_TX 0x02
#define UPDATE_FLAG_64BIT 0x04
extern struct attr * attr_select_first(void);
extern struct attr * attr_select_last(void);
extern struct attr * attr_select_next(void);
extern struct attr * attr_select_prev(void);
extern struct attr * attr_current(void);
extern void attr_start_collecting_history(struct attr *);
#endif
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