tihdr.h

VRTX 商用嵌入式实时操作系统

/***************************************************************************
*
*               Copyright (c) 1993 READY SYSTEMS CORPORATION.
*
*       All rights reserved. READY SYSTEMS' source code is an unpublished
*       work and the use of a copyright notice does not imply otherwise.
*       This source code contains confidential, trade secret material of
*       READY SYSTEMS. Any attempt or participation in deciphering, decoding,
*       reverse engineering or in any way altering the source code is
*       strictly prohibited, unless the prior written consent of
*       READY SYSTEMS is obtained.
*
*
*       Module Name:            tihdr.h
*
*       Identification:         @(#) 1.5 tihdr.h
*
*       Date:                   1/6/94  16:30:47
*
****************************************************************************
*/

/*
 RCS header identifier - $Id: tihdr.h,v 1.5 1993/10/05 18:09:21 robert Exp $
*/
/*
 * Copyrighted as an unpublished work.
 * (c) Copyright 1992-1993 Lachman Technology, Incorporated
 * All rights reserved.
 * 
 * RESTRICTED RIGHTS
 * 
 * These programs are supplied under a license.  They may be used,
 * disclosed, and/or copied only as permitted under such license
 * agreement.  Any copy must contain the above copyright notice and
 * this restricted rights notice.  Use, copying, and/or disclosure
 * of the programs is strictly prohibited unless otherwise provided
 * in the license agreement.
 */

#ifndef __TIHDR_H
#define __TIHDR_H

#ifdef __cplusplus
extern "C" {
#endif

/*******************************************************************************
 * Transport Provider Primitives
 */
#define T_CONN_REQ	1
#define T_CONN_IND	2
#define T_CONN_RES	3
#define T_CONN_CON	4
#define T_DATA_REQ	5
#define T_DATA_IND	6
#define T_EXDATA_REQ	7
#define T_EXDATA_IND	8
#define T_DISCON_REQ	9
#define T_DISCON_IND	10
#define T_UNITDATA_REQ	11
#define T_UNITDATA_IND	12
#define T_ORDREL_REQ	13
#define T_ORDREL_IND	14
#define T_BIND_REQ	15
#define T_BIND_ACK	16
#define T_UNBIND_REQ	17
#define T_OK_ACK	18
#define T_ERROR_ACK	19
#define T_INFO_REQ	20
#define T_INFO_ACK	21
#define T_UDERROR_IND	22
#define T_OPTMGMT_REQ	23
#define T_OPTMGMT_ACK	24


/*******************************************************************************
 *
 * STPI - "A STREAMS-based Transport Provider Interface"
 */

struct T_info_req {			/* STPI 1.1.1.1 */
	long		PRIM_type;	/* primitive type (always T_INFO_REQ) */
};


struct T_bind_req {			/* STPI 1.1.1.2 */
	long		PRIM_type;	/* primitive type (always T_BIND_REQ) */
	long		ADDR_length;	/* length of address */
	long		ADDR_offset;	/* offset of address */
	unsigned long	CONIND_number;	/* reequested number of connect */
					/*  indications to be queued */
};


struct T_unbind_req {			/* STPI 1.1.1.3 */
	long		PRIM_type;	/* primitive type (always T_UNBIND_REQ) */
};


struct T_optmgmt_req {			/* STPI 1.1.1.4 */
	long		PRIM_type;	/* primitive type (always T_OPTMGMT_REQ) */
	long		OPT_length;	/* options length */
	long		OPT_offset;	/* options offset */
	long		MGMT_flags;	/* flags */
};


struct T_info_ack {			/* STPI 1.1.2.1 */
	long		PRIM_type;	/* primitive type (always T_INFO_ACK) */
	long		TSDU_size;	/* max TSDU size */
	long		ETSDU_size;	/* max ETSDU size */
	long		CDATA_size;	/* Connect data size */
	long		DDATA_size;	/* Discon data size */
	long		ADDR_size;	/* TSAP size */
	long		OPT_size;	/* options size */
	long		TIDU_size;	/* TIDU size */
	long		SERV_type;	/* service type */
	long		CURRENT_state;	/* current state */
	long		PROVIDER_flag;	/* provider flags */
};


struct T_bind_ack {			/* STPI 1.1.2.2 */
	long		PRIM_type;	/* primitive type (always T_BIND_ACK) */
	long		ADDR_length;	/* length of address */
	long		ADDR_offset;	/* offset of address */
	unsigned long 	CONIND_number;	/* connect indications to be queued */
};


struct T_optmgmt_ack {			/* STPI 1.1.2.3 */
	long		PRIM_type;	/* primitive type (always T_OPTMGMT_ACK) */
	long		OPT_length;	/* options length */
	long		OPT_offset;	/* options offset */
	long		MGMT_flags;	/* flags */
};


struct T_error_ack {			/* STPI 1.1.2.4 */
	long		PRIM_type;	/* primitive type (always T_ERROR_ACK) */
	long		ERROR_prim;	/* primitive in error */
	long		TLI_error;	/* TLI error code */
	long		UNIX_error;	/* UNIX error code */
};


struct T_ok_ack {			/* STPI 1.1.2.5 */
	long		PRIM_type;	/* primitive type (always T_OK_ACK) */
	long		CORRECT_prim;	/* primitive */
};


struct T_conn_req {			/* STPI 1.2.1.1 */
	long		PRIM_type;	/* primitive type (always T_CONN_REQ) */
	long		DEST_length;	/* dest addr length */
	long		DEST_offset;	/* dest addr offset */
	long		OPT_length;	/* options length */
	long		OPT_offset;	/* options offset */
};


struct T_conn_res {			/* STPI 1.2.1.2 */
	long		PRIM_type;	/* primitive type (always T_CONN_RES) */
	queue_t	 *QUEUE_ptr;	/* response queue ptr */
	long		OPT_length;	/* options length */
	long		OPT_offset;	/* options offset */
	long		SEQ_number;	/* sequence number */
};


struct T_discon_req {			/* STPI 1.2.1.3 */
	long		PRIM_type;	/* primitive type (always T_DISCON_REQ) */
	long		SEQ_number;	/* sequence number */
};


struct T_data_req {			/* STPI 1.2.1.4 */
	long		PRIM_type;	/* primitive type (always T_DATA_REQ) */
	long		MORE_flag;	/* indicates more data in TSDU */
};


struct T_exdata_req {			/* STPI 1.2.1.5 */
	long		PRIM_type;	/* primitive type (always T_EXDATA_REQ) */
	long		MORE_flag;	/* indicates more data in ETSDU */
};


struct T_ordrel_req {			/* STPI 1.2.1.6 */
	long		PRIM_type;	/* primitive type (always T_ORDREL_REQ) */
};


struct T_conn_ind {			/* STPI 1.2.2.1 */
	long		PRIM_type;	/* primitive type (always T_CONN_IND) */
	long		SRC_length;	/* source addr length */
	long		SRC_offset;	/* source addr offset */
	long		OPT_length;	/* options length */
	long		OPT_offset;	/* options offset */
	long		SEQ_number;	/* sequence number */
};


struct T_conn_con {			/* STPI 1.2.2.2 */
	long		PRIM_type;	/* primitive type (always T_CONN_CON) */
	long		RES_length;	/* responding addr length */
	long		RES_offset;	/* responding addr offset */
	long		OPT_length;	/* options length */
	long		OPT_offset;	/* options offset */
};


struct T_discon_ind {			/* STPI 1.2.2.3 */
	long		PRIM_type;	/* primitive type (always T_DISCON_IND) */
	long		DISCON_reason;	/* disconnect reason */
	long		SEQ_number;	/* sequence number */
};


struct T_data_ind {			/* STPI 1.2.2.4 */
	long		PRIM_type;	/* primitive type (always T_DATA_IND) */
	long		MORE_flag;	/* indicates more data in TSDU */
};


struct T_exdata_ind {			/* STPI 1.2.2.5 */
	long		PRIM_type;	/* primitive type (always T_EXDATA_IND) */
	long		MORE_flag;	/* indicates more data in ETSDU */
};


struct T_ordrel_ind {			/* STPI 1.2.2.6 */
	long		PRIM_type;	/* primitive type (always T_ORDREL_IND) */
};


struct T_unitdata_req {			/* STPI 1.3.1.1 */
	long		PRIM_type;	/* primitive type (always T_UNITDATA_REQ) */
	long		DEST_length;	/* dest addr length */
	long		DEST_offset;	/* dest addr offset */
	long		OPT_length;	/* options length */
	long		OPT_offset;	/* options offset */
};


struct T_unitdata_ind {			/* STPI 1.3.2.1 */
	long		PRIM_type;	/* primitive type (always T_UNITDATA_IND) */
	long		SRC_length;	/* source addr length */
	long		SRC_offset;	/* source addr offset */
	long		OPT_length;	/* options length */
	long		OPT_offset;	/* options offset */
};


struct T_uderror_ind {			/* STPI 1.3.2.2 */
	long		PRIM_type;	/* primitive type (always T_UDERROR_IND) */
	long		DEST_length;	/* dest addr length */
	long		DEST_offset;	/* dest addr offset */
	long		OPT_length;	/* options length */
	long		OPT_offset;	/* options offset */
	long		ERROR_type;	/* error type */
};


union T_primitives {
	long			type;	/* primitive type */
	struct T_info_req	info_req;
	struct T_bind_req	bind_req;
	struct T_unbind_req	unbind_req;
	struct T_optmgmt_req	optmgmt_req;
	struct T_info_ack	info_ack;
	struct T_bind_ack	bind_ack;
	struct T_optmgmt_ack	optmgmt_ack;
	struct T_error_ack	error_ack;
	struct T_ok_ack		ok_ack;
	struct T_conn_req	conn_req;
	struct T_conn_res	conn_res;
	struct T_discon_req	discon_req;
	struct T_data_req	data_req;
	struct T_exdata_req	exdata_req;
	struct T_ordrel_req	ordrel_req;
	struct T_conn_ind	conn_ind;
	struct T_conn_con	conn_con;
	struct T_discon_ind	discon_ind;
	struct T_data_ind	data_ind;
	struct T_exdata_ind	exdata_ind;
	struct T_ordrel_ind	ordrel_ind;
	struct T_unitdata_req	unitdata_req;
	struct T_unitdata_ind	unitdata_ind;
	struct T_uderror_ind	uderror_ind;
};

/*******************************************************************************
 *
 */
typedef struct {
	int	t_fd;
	int	t_resfd;
	char	*t_mbox;			/* used to control access */
	int	t_lockerr;			/* used to control access */
	int	t_ocnt;
	int	t_state;
	int	t_status;
	struct T_info_ack t_info;
	union T_primitives *t_ctlp;	/* control message addr */
	char *t_data;			/* data message addr */
	int	t_datasz;
} tliendpt_t;

#define EP_TLOOK	0x01
#define EP_MOREDATA	0x02
#define EP_MORECTL	0x04
#define EP_RCVMORE	0x08
#define EP_RCVEXPID	0x10
#define EP_NODELAY	0x20

extern int	swk_nfile;
#define MAX_FD	swk_nfile

#define TLI_LOCK(p)		(sc_pend(&((p)->t_mbox), 0L, &((p)->t_lockerr)))
#define TLI_UNLOCK(p)		(sc_post(&((p)->t_mbox), (char *)1, &((p)->t_lockerr)))

extern tliendpt_t * *t_endpts;

tliendpt_t *t_fdendpt (int fd);

#ifdef __cplusplus
}
#endif

#endif	/* __TIHDR_H */