#ifndef SOCKET_STUB_H
#define SOCKET_STUB_H

typedef unsigned socklen_t;
typedef unsigned short sa_family_t;

struct sockaddr {
	sa_family_t sa_family;
	char sa_data[14];
};

struct addrinfo {
	int ai_flags;
	int ai_family;
	int ai_socktype;
	int ai_protocol;
	socklen_t ai_addrlen;
	struct sockaddr *ai_addr;
	char *ai_canonname;
	struct addrinfo *ai_next;
};

#define AF_INET		2
#define AF_INET6	10

#define SOCK_STREAM	1
#define SOCK_DGRAM	2

typedef uint16_t in_port_t;
typedef uint32_t in_addr_t;
struct in_addr { in_addr_t s_addr; };

struct sockaddr_in {
	sa_family_t sin_family;
	in_port_t sin_port;
	struct in_addr sin_addr;
	uint8_t sin_zero[8];
};

struct in6_addr
{
	union {
		uint8_t __s6_addr[16];
		uint16_t __s6_addr16[8];
		uint32_t __s6_addr32[4];
	} __in6_union;
};
#define s6_addr __in6_union.__s6_addr
#define s6_addr16 __in6_union.__s6_addr16
#define s6_addr32 __in6_union.__s6_addr32

struct sockaddr_in6
{
	sa_family_t     sin6_family;
	in_port_t       sin6_port;
	uint32_t        sin6_flowinfo;
	struct in6_addr sin6_addr;
	uint32_t        sin6_scope_id;
};

#define MSG_OOB       0x0001

typedef struct socket_t {
	int family;
	int type;
	int protocol;
	int cepid;
	int repid;
	int backlog;
	unsigned int flags;
	union {
		struct sockaddr_in laddr4;
		struct sockaddr_in6 laddr6;
	};
	union {
		struct sockaddr_in raddr4;
		struct sockaddr_in6 raddr6;
	};
	int buf_size;
	unsigned char *buf;
} socket_t;

struct _IO_FILE {
	int fd;
	int type;
	int handle;
	int (*close)(struct _IO_FILE *);
	size_t (*read)(struct _IO_FILE *, unsigned char *, size_t);
	size_t (*write)(struct _IO_FILE *, const unsigned char *, size_t);
	int readevt_r;
	int readevt_w;
	int writeevt_r;
	int writeevt_w;
	int errorevt_r;
	int errorevt_w;
	union {
		FIL file;
		socket_t socket;
	};
};

#ifndef bool
#define bool int
#endif
#ifndef true
#define true 1
#endif
#ifndef false
#define false 0
#endif

extern int stdio_close(struct _IO_FILE *fp);
extern size_t stdio_read(struct _IO_FILE *fp, unsigned char *data, size_t len);
extern size_t stdio_write(struct _IO_FILE *fp, const unsigned char *data, size_t len);
extern size_t stdin_read(struct _IO_FILE *fp, unsigned char *data, size_t len);
extern size_t stdout_write(struct _IO_FILE *fp, const unsigned char *data, size_t len);
extern size_t stderr_write(struct _IO_FILE *fp, const unsigned char *data, size_t len);

extern int sio_close(struct _IO_FILE *fp);
extern size_t sio_read(struct _IO_FILE *fp, unsigned char *data, size_t len);
extern size_t sio_write(struct _IO_FILE *fp, const unsigned char *data, size_t len);

extern int file_close(struct _IO_FILE *fp);
extern size_t file_read(struct _IO_FILE *fp, unsigned char *data, size_t len);
extern size_t file_write(struct _IO_FILE *fp, const unsigned char *data, size_t len);

extern int tcp_fd_close(struct _IO_FILE *fp);
extern size_t tcp_fd_read(struct _IO_FILE *fp, unsigned char *data, size_t len);
extern size_t tcp_fd_write(struct _IO_FILE *fp, const unsigned char *data, size_t len);

extern int udp_fd_close(struct _IO_FILE *fp);
extern size_t udp_fd_read(struct _IO_FILE *fp, unsigned char *data, size_t len);
extern size_t udp_fd_write(struct _IO_FILE *fp, const unsigned char *data, size_t len);

struct _IO_FILE *fd_to_fp(int fd);

struct _IO_FILE *new_sio_fd(int sioid);
int delete_sio_fd(int sioid);
struct _IO_FILE *sioid_to_fd(int sioid);

struct _IO_FILE *new_file_fd(int fileid);
int delete_file_fd(int fileid);
struct _IO_FILE *fileid_to_fd(int fileid);

struct _IO_FILE *new_tcp_fd(int tcpid);
int delete_tcp_fd(int tcpid);
struct _IO_FILE *tcpid_to_fd(int tcpid);

struct _IO_FILE *new_udp_fd(int udpid);
int delete_udp_fd(int udpid);
struct _IO_FILE *udpid_to_fd(int udpid);

int delete_tcp_rep(int repid);
void clean_fd();

ER socket_tcp_callback(ID cepid, FN fncd, void *p_parblk);
ER socket_udp_callback(ID cepid, FN fncd, void *p_parblk);

#endif // !SOCKET_STUB_H