/* retoor <retoor@molodetz.nl> */
#ifndef DISK_H
#define DISK_H

#define MAX_DISKS 64
#define MAX_DISK_NAME 64

typedef struct {
    char name[MAX_DISK_NAME];
    unsigned long reads;
    unsigned long writes;
    unsigned long read_sectors;
    unsigned long write_sectors;
    unsigned long prev_reads;
    unsigned long prev_writes;
    unsigned long prev_read_sectors;
    unsigned long prev_write_sectors;
    double reads_per_sec;
    double writes_per_sec;
    double read_bytes_per_sec;
    double write_bytes_per_sec;
} DiskStats;

typedef struct {
    int count;
    DiskStats disks[MAX_DISKS];
    double io_wait_percent;
} DiskInfo;

int disk_info_init(DiskInfo *info);
int disk_info_update(DiskInfo *info, double interval);

#endif