#ifndef NET_H
#define NET_H
#include <netdb.h>
#include <stdarg.h>
#include <sys/poll.h>
#include <sys/types.h>
#include <sys/socket.h>

#define NET_READ_READY POLLIN
#define NET_WRITE_READY POLLOUT
#define LISTEN_QUEUE SOMAXCONN

struct socket_info;

struct net_handler { 
	void (*connect_handler)(void *p, int fd, const char *addr, const char *serv);
	void *connect_p;
	void (*io_handler)(int fd, short ev, struct socket_info *si);
	void *io_p;
};

struct socket_info {
	int fd;
	unsigned pollent;
	struct net_handler nh;
	void (*output_overflow)(struct socket_info *si);
	void *userdata;
	void (*userdata_free)(void *);
	unsigned output_len; /* amount of data in the buffer */
	unsigned output_max; /* max size */
	char *output_buffer; /* pointer to the data buffer */
};

struct socket_info *socket_insert(int fd, short ev, void (*handler)(int fd, short ev, struct socket_info *si));
int net_lookup(const char *host, const char *sport, const char *pname, int (*foreach)(void *p, struct addrinfo *ai, const char *addr, const char *serv), void *p);
void net_clear_event(struct socket_info *si, unsigned flag);
int bind_entry(void *p, struct addrinfo *ai, const char *addr, const char *serv);
int connect_entry(void *p, struct addrinfo *ai, const char *addr, const char *serv);
int net_bind(const char *host, const char *sport, const char *pname, void (*handler)(void *p, int fd, const char *addr, const char *serv), void *p);
int net_connect(const char *host, const char *sport, const char *pname, void (*connect_handler)(void *p, int fd, const char *addr, const char *serv), void *connect_p, void (*io_handler)(int fd, short ev, struct socket_info *si), void *io_p);
int net_poll(void);
void sockkill(struct socket_info *si);
int sockwrite(struct socket_info *si, const void *buf, unsigned len);
int sockvprintf(struct socket_info *si, const char *fmt, va_list ap);
int sockprintf(struct socket_info *si, const char *fmt, ...);
struct socket_info *socket_info_fd(int fd);
void socket_info_setuserdata(struct socket_info *si, void *userdata, void (*userdata_free)(void *));
int net_get_nr_sockets(void);
int socket_output_buffer_size(struct socket_info *si, unsigned newsize);
#endif