dn.h

<B>Digital的Unix操作系统VAX 4.2源码</B>

/*
 *
 * Copyright (C) 1985, 1989 by
 * Digital Equipment Corporation, Maynard, Mass.
 *
 * This software is furnished under a license and may be used and copied
 * only  in  accordance  with  the  terms  of such  license and with the
 * inclusion of the above copyright notice. This software or  any  other
 * copies thereof may not be provided or otherwise made available to any
 * other person. No title to and ownership of  the  software  is  hereby
 * transferred.
 *
 * The information in this software is subject to change without  notice
 * and  should  not be  construed  as  a commitment by Digital Equipment
 * Corporation.
 *
 * Digital assumes no responsibility for the use or  reliability  of its
 * software on equipment which is not supplied by Digital.
 *
 *
 * Networks & Communications Software Engineering
 *
 * EDIT HISTORY
 *
 * 000	10-Jul-1985
 *	Created
 *      DECnet-ULTRIX   V1.0
 *
 * 001	18-Feb-1988	jmm
 *	Added extern definition for getnodename()
 *
 * 002	28-Feb-1988	jmm
 *	Added extern definition for proxy_requested (for use w/dnet_conn())
 */

/*	@(#)dn.h	4.1	(DECnet-ULTRIX)	7/2/90	*/

#ifdef KERNEL
extern struct domain decnetdomain;
#endif

/*
 * Definitions relating to the DECnet socket interface
 */

#define DNPROTO_NSP	1			/* NSP protocol number */
#define DNPROTO_ROU	2			/* Routing protocol number */
#define DNPROTO_NML	3			/* Net mgt protocol number */
#define DNPROTO_EVL	4			/* Evl protocol number (usr) */
#define DNPROTO_EVR	5			/* Evl protocol number (evl) */
#ifdef DNTRACE
#define DNPROTO_TRACE 	6			/* Trace protocol number */

#define DNBUFF_TRACE	16384			/* Trace default socket buffering */
#endif

#define SDF_WILD	1			/* wild card object */
#define SDF_PROXY	2			/* address eligible for proxy */
#define SDF_UICPROXY	4			/* use uic-based proxy */

#define DN_MAXADDL	20			/* max size of DECnet address */

/*
 * DECnet address format
 */
	struct dn_naddr {
		unsigned short	a_len;		/* length of address */
		unsigned char a_addr[DN_MAXADDL]; /* address as bytes */
	    };

/*
 * DECnet socket address format
 */
	struct sockaddr_dn {
		unsigned short	sdn_family;	/* AF_DECnet */
		unsigned char	sdn_flags;	/* flags */
		unsigned char	sdn_objnum;	/* object number */
		unsigned short	sdn_objnamel;	/* size of object name */
		char	sdn_objname[16];	/* object name */
		struct dn_naddr  sdn_add;	/* node address */
	};

#define sdn_nodeaddrl	sdn_add.a_len		/* node address length */
#define sdn_nodeaddr	sdn_add.a_addr 		/* node address */

#define LL_INACTIVE		0		/* logical link inactive */
#define LL_CONNECTING		1		/* logical link connecting */
#define LL_RUNNING		2		/* logical link running */
#define LL_DISCONNECTING	3		/* logical link disconnecting */

/*
 * DECnet logical link information structure
 */
	struct linkinfo_dn {
		unsigned short	idn_segsize;	/* segment size for link */
		unsigned char	idn_linkstate;	/* logical link state */
	};
/*
 * Ethernet address format (for DECnet)
 */
	union etheraddress {
		unsigned char	dne_addr[6];	/* full ethernet address */
		struct {
			unsigned char dne_hiord[4];   /* DECnet HIORD prefix */
			unsigned char dne_nodeaddr[2];/* DECnet node address */
		} dne_remote;
	};
/*
 * DECnet physical socket address format
 */
	struct dn_addr {
		unsigned short	dna_family;	/* AF_DECnet */
		union etheraddress dna_netaddr;	/* DECnet ethernet address */
	};
/*
 * DECnet NSP level socket options (setsockopt/getsockopt)
 */
#define DSO_CONDATA	1			/* set/get connect data */
#define DSO_DISDATA	2			/* set/get disconnect data */
#define DSO_CONACCESS	3			/* set/get connect access data */
#define DSO_ACCEPTMODE	4			/* set/get accept mode */
#define DSO_CONACCEPT	5			/* accept deferred connection */
#define DSO_CONREJECT	6			/* reject deferred connection */
#define DSO_LINKINFO	7			/* set/get link information */
#define DSO_STREAM	8			/* set socket type to stream */
#define DSO_SEQPACKET	9			/* set socket type to sequenced packet */

#define DSO_MAX		9			/* highest option defined */

/*
 * DECnet set/get DSO_ACCEPTMODE values
 */
#define ACC_IMMED	0			/* accept immediately */
#define ACC_DEFER	1			/* defer acceptance */

/*
 * DECnet set/get DSO_CONDATA, DSO_DISDATA (optional data) structure
 */
	struct optdata_dn {
		unsigned short	opt_status;	/* extended status return */
		unsigned short	opt_optl;	/* length of user data */
		unsigned char	opt_data[16];	/* user data */
	};

/*
 * DECnet set/get DSO_CONACCESS access (control data) structure
 */
	struct accessdata_dn {
		unsigned short	acc_accl;	/* length of account string */
		unsigned char	acc_acc[40];	/* account string */
		unsigned short	acc_passl;	/* length of password string */
		unsigned char	acc_pass[40];	/* password string */
		unsigned short	acc_userl;	/* length of user string */
		unsigned char	acc_user[40];	/* user string */
	};

/*
 * Define DECnet objects as strings (used as argument to dnet_conn).
 */
#define DNOBJ_FAL	"#17"			/* file access listener */
#define DNOBJ_NICE	"#19"			/* NICE */
#define DNOBJ_DTERM	"#23"			/* DECnet remote terminals */
#define DNOBJ_MIRROR	"#25"			/* DECnet mirror */
#define DNOBJ_EVR	"#26"			/* DECnet event receiver */
#define DNOBJ_MAIL11	"#27"			/* mail service */
#define DNOBJ_PHONE	"#29"			/* DECnet phone utility */
#define DNOBJ_CTERM	"#42"			/* DECnet command terminals */
#define DNOBJ_DTR	"#63"			/* DECnet test receiver */

/*
 * Define DECnet object numerically.
 */
#define DNOBJECT_FAL	17			/* file access listener */
#define DNOBJECT_NICE	19			/* NICE */
#define DNOBJECT_DTERM	23			/* DECnet remote terminals */
#define DNOBJECT_MIRROR	25			/* DECnet mirror */
#define DNOBJECT_EVR	26			/* DECnet event receiver */
#define DNOBJECT_MAIL11	27			/* mail service */
#define DNOBJECT_PHONE	29			/* DECnet phone utility */
#define DNOBJECT_CTERM	42			/* DECnet command terminals */
#define DNOBJECT_DTR	63			/* DECnet test receiver */

extern struct dn_naddr *dnet_addr(), *getnodeadd();
extern char *getnodename();
extern char proxy_requested;