/* Mods by G1EMM */
#ifndef	_USOCK_H
#define	_USOCK_H

#ifndef	time_t
#include "time.h"
#endif

#ifndef	_MBUF_H
#include "mbuf.h"
#endif

#ifndef	_LZW_H
#include "lzw.h"
#endif

#ifndef _PROC_H
#include "proc.h"
#endif

#ifndef _TCP_H
#include "tcp.h"
#endif

#ifndef _UDP_H
#include "udp.h"
#endif

#ifndef _IP_H
#include "ip.h"
#endif

#ifndef _NETROM_H
#include "netrom.h"
#endif

#ifndef _SOCKADDR_H
#include "sockaddr.h"
#endif

struct loc {
	struct usock *peer;
	struct mbuf *q;
	int hiwat;		/* Flow control point */
	int flags;
#define	LOC_SHUTDOWN	1
};
#define	NULLLOC	(struct loc *)0
#define	LOCDFLOW	5	/* dgram socket flow-control point, packets */
#define	LOCSFLOW	2048	/* stream socket flow control point, bytes */
#define	SOBUF		256	/* Size of buffer for usputc()/usprintf() */
#define	SOCKBASE	128	/* Start of socket indexes */

union sp {
	struct sockaddr *sa;
	struct sockaddr_in *in;
	struct sockaddr_ax *ax;
	struct sockaddr_nr *nr;
	char *p;
};

union cb {
	struct tcb *tcb;
	struct ax25_cb *ax25;
	struct udp_cb *udp;
	struct raw_ip *rip;
	struct raw_nr *rnr;
	struct nr4cb *nr4;
	struct loc *local;
	char *p;
};

/* User sockets */
struct usock {
	struct proc *owner;
	int refcnt;
	char noblock;
	char type;
#define	NOTUSED			0
#define	TYPE_TCP		1
#define	TYPE_UDP		2
#define	TYPE_AX25I		3
#define	TYPE_AX25UI		4
#define TYPE_RAW		5
#define TYPE_NETROML3		6
#define TYPE_NETROML4		7
#define	TYPE_LOCAL_STREAM	8
#define	TYPE_LOCAL_DGRAM	9
	int rdysock;
	union cb cb;
	char *name;
	int namelen;
	char *peername;
	int peernamelen;
	char errcodes[4];	/* Protocol-specific error codes */
	struct mbuf *obuf;	/* Output buffer */
	struct mbuf *ibuf;	/* Input buffer */
	char eol[3];		/* Text mode end-of-line sequence, if any */
	int flag;		/* Mode flags, defined in socket.h */
	int flush;		/* Character to trigger flush, if any */
	struct lzw *zout;	/* Pointer to compression structure */
	struct lzw *zin;
	time_t created;		/* Time this socket was opened */
};
#define	NULLUSOCK	((struct usock *)0)

extern char Badsocket[];
extern char *Socktypes[];
extern struct usock *Usock;
extern int Nusock;

struct usock *itop __ARGS((int s));
void st_garbage __ARGS((int red));

#endif /* _USOCK_H */