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cache.h
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cache.h
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#ifndef CACHE_H
#define CACHE_H
#include <pthread.h>
#include <malloc.h>
#include <string.h>
typedef struct data_subentry data_subentry;
typedef struct data_entry data_entry;
struct data_subentry {
int length;
char* data;
data_subentry* next;
pthread_mutex_t mutex;
};
struct data_entry {
//PUBLIC
data_subentry* head;
//PRIVATE
int dirty_flag;
pthread_mutex_t mutex;
};
typedef struct cache_list_el cache_list_el;
struct cache_list_el {
//READ_ONLY
char* url;
char* host;
data_entry* data;
pthread_mutex_t mutex;
//NEXT MAY CHANGE
cache_list_el* next;
cache_list_el* prev;
};
typedef struct cache_list cache_list;
struct cache_list {
//PUBLIC
cache_list_el* head;
cache_list_el* tail;
//READ_ONLY
pthread_mutex_t mutex;
};
cache_list_el* cache_add(char* url, int url_len, char* host, int host_len);
cache_list_el* find_by_url_and_host(char* url, int url_len, char* host, int host_len);
data_subentry* get_data_head(cache_list_el* el);
data_subentry* init_subentry(char* data, int length);
void set_data_head(cache_list_el* el, data_subentry *head);
void abort_set(cache_list_el* el);
#endif