#include <stdio.h>
#include <stdbool.h>

#include "linked_list.h"

typedef struct PageInfo {
    int key;
    void *data;
} PageInfo;

typedef struct MMap {
    void *memory;
    int size;
    int count;
    PageInfo *support;
    linkedList *free_list;
    linkedList *alloc_list;
    FILE *swap;
} MMap;

MMap* mmap_init();
void mmap_clean(MMap *mmap);
PageInfo* page_alloc(MMap *mmap);
PageInfo* page_free(MMap *mmap);
int check_page_free_list(MMap *mmap);
int check_page_alloc(MMap *mmap);
int move_to_swap(MMap *mmap, PageInfo *page);
PageInfo* read_from_swap(MMap* mmap, PageInfo *page);
PageInfo *page_lookup(MMap *mmap, int key);
void page_remove(MMap *mmap, int key);
PageInfo *page_create(MMap *mmap, bool *moved_to_swap);