/* begincopyright
  Copyright (c) 1988, 1989, 1992 Xerox Corporation. All rights reserved.
  Use and copying of this software and preparation of derivative works based
  upon this software are permitted. Any distribution of this software or
  derivative works must comply with all applicable United States export
  control laws. This software is made available AS IS, and Xerox Corporation
  makes no warranty about the software, its performance or its conformity to
  any specification. Any person obtaining a copy of this software is requested
  to send their name and post office or electronic mail address to:
    PCR Coordinator
    Xerox PARC
    3333 Coyote Hill Rd.
    Palo Alto, CA
  endcopyright */
/*	
*
*	ThreadsTLI.h
*
*	Tim Diebert: November 21, 1989 5:52:05 pm PST
*	Michael Plass: February 18, 1992 9:49:23 am PST
*
*
*	This is a collection of definitions and functions to deal with XNS
*	SPP streams.  It doesn't rely upon the TLI library functions.
*
*/

/*	I really hesitate to add this include, but its contents are needed
*	for this file to live on its own.  The include can be left out if
*	religion plays a part in your mind.
*/
#include	<sys/types.h>
#include	<nettli/tiuser.h>

/****	Type definitions	*/

union xns_net {
	u_char		c_net[4];
	u_short		s_net[2];
};

union xns_host {
	u_char		c_host[6];
	u_short		s_host[3];
};

union xns_socket {
	u_char		c_socket[2];
	u_short		s_socket;
};

struct xns_addr {
	union xns_net		x_net;
	union xns_host		x_host;
	union xns_socket	x_socket;
};

/*	In order to bypass using the TLI libraries, since they maintain
*	global state, it will be necessary to pass around something other
*	than a file descriptor.  The following defines the data structure
*	for holding the state that was originally held as global state
*	by the TLI code.
*/

struct conn_data	{
	unsigned	cd_flags;	/* flags              */
	int	cd_rcvsize;	/* rcv buffer size    */
	char *  cd_rcvbuf;	/* rcv buffer         */
	int	cd_ctlsize;	/* ctl buffer size    */
	char *  cd_ctlbuf;	/* ctl buffer         */
	char *  cd_lookdbuf;	/* look data buffer   */
	char *  cd_lookcbuf;	/* look ctl buffer    */
	int	cd_lookdsize;	/* look data buf size */
	int	cd_lookcsize;	/* look ctl buf size  */
	int	cd_maxpsz;	/* TIDU size          */
	long	cd_servtype;	/* service type       */
	int     cd_lookflg;	/* buffered look flag */
	int	cd_fd;		/* the fd normally returned by TLI	*/
	int	cd_errno;	/* the global errno from TLI		*/
	struct t_info cd_info;	/* filled in on the call to XR_T_Open	*/
};
typedef	struct conn_data conn_data_t;