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/*
* bmon/unit.h Units
*
* 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_UNIT_H_
#define __BMON_UNIT_H_
#include <bmon/bmon.h>
#define DYNAMIC_EXP (-1)
enum {
UNIT_DEFAULT,
UNIT_SI,
UNIT_BIT,
__UNIT_MAX,
};
#define UNIT_MAX (__UNIT_MAX - 1)
#define UNIT_BYTE "byte"
#define UNIT_NUMBER "number"
struct fraction {
float f_divisor;
char * f_name;
struct list_head f_list;
};
struct unit {
char * u_name;
struct list_head u_div[__UNIT_MAX];
struct list_head u_list;
};
extern struct unit * unit_lookup(const char *);
extern struct unit * unit_add(const char *name);
extern void unit_add_div(struct unit *, int, const char *, float);
extern double unit_divisor(uint64_t, struct unit *, char **, int *);
extern double unit_value2str(uint64_t, struct unit *, char **, int *);
extern void fraction_free(struct fraction *);
extern char * unit_bytes2str(uint64_t, char *, size_t);
extern char * unit_bit2str(uint64_t, char *, size_t);
#endif
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