conky/src/diskio.h

/*
 *
 * Conky, a system monitor, based on torsmo
 *
 * Any original torsmo code is licensed under the BSD license
 *
 * All code written since the fork of torsmo is licensed under the GPL
 *
 * Please see COPYING for details
 *
 * Copyright (c) 2004, Hannu Saransaari and Lauri Hakkarainen
 * Copyright (c) 2005-2018 Brenden Matthews, Philip Kovacs, et. al.
 * (see AUTHORS)
 * All rights reserved.
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

#ifndef DISKIO_H_
#define DISKIO_H_

#include <limits.h>
#include <cstring>

struct diskio_stat {
  diskio_stat()
      : next(nullptr),
        current(0),
        current_read(0),
        current_write(0),
        last(UINT_MAX),
        last_read(UINT_MAX),
        last_write(UINT_MAX) {
    std::memset(sample, 0, sizeof(sample) / sizeof(sample[0]));
    std::memset(sample_read, 0, sizeof(sample_read) / sizeof(sample_read[0]));
    std::memset(sample_write, 0,
                sizeof(sample_write) / sizeof(sample_write[0]));
  }
  struct diskio_stat *next;
  char *dev;
  double sample[15];
  double sample_read[15];
  double sample_write[15];
  double current;
  double current_read;
  double current_write;
  double last;
  double last_read;
  double last_write;
};

extern struct diskio_stat stats;

struct diskio_stat *prepare_diskio_stat(const char *);
int update_diskio(void);
void clear_diskio_stats(void);
void update_diskio_values(struct diskio_stat *, unsigned int, unsigned int);

void parse_diskio_arg(struct text_object *, const char *);
void print_diskio(struct text_object *, char *, int);
void print_diskio_read(struct text_object *, char *, int);
void print_diskio_write(struct text_object *, char *, int);
#ifdef BUILD_X11
void parse_diskiograph_arg(struct text_object *, const char *);
double diskiographval(struct text_object *);
double diskiographval_read(struct text_object *);
double diskiographval_write(struct text_object *);
#endif /* BUILD_X11 */

#endif /* DISKIO_H_ */