#ifndef NET_H
#define NET_H

#include "fd.h"
#include "buffer.h"

typedef struct connection_s
{
	struct sockaddr srcaddr, dstaddr;
	fd_t *fd;
	list_t fd_list;
	buffer_t *tonet, *fromnet;
} connection_t;

typedef struct protoconnection_s
{
	struct sockaddr srcaddr;
	struct sockaddr *dstaddr;
	int dstaddrs, thisdst;
	int dobind;
	fd_t *fd;
	list_t fd_list;
	list_t fd_write;
	notifier_t connection_ready;
	void (*notify_connected)(connection_t *conn);
} protoconnection_t;

typedef struct listener_s
{
	fd_t *fd;
	list_t fd_list;
	struct sockaddr boundaddr;
	notifier_t readok, miscevent;
	void (*notify_accepted)(struct listener_s *listener, 
		connection_t *connection);
} listener_t;

extern int getport(const char *s, unsigned short *svalp);

extern fd_t *connection(const char *shost, unsigned short sport,
	const char *dhost, unsigned short dport);

extern void connection_create(const char *shost, unsigned short sport, 
	const char *dhost, unsigned short dport,
	void (*notify_connected)(connection_t *connection));

extern void listener_create(const char *shost, unsigned short sport,
	void (*notify_accepted)(struct listener_s *listener, 
		connection_t *connection),
	listener_t ***listenersp, int *listenernump);

extern connection_t *connection_alloc(void);
extern connection_t *connection_init(connection_t *conn, fd_t *fd, 
	struct sockaddr *src, struct sockaddr *dst);
extern listener_t *listener_alloc(void);
extern listener_t *listener_init(listener_t *listener, fd_t *fd, 
	struct sockaddr *addr, 
	void (*notify_accepted)(listener_t *listener, 
		connection_t *connection));

#endif