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⟦ae05191e4⟧ TextFile

    Length: 5643 (0x160b)
    Types: TextFile
    Notes: UNIX file
    Names: »clnt.h«

Derivation

└─⟦a6ab2eb36⟧ Bits:30004042/kconfig3.imd SW95705I 386/ix Multi-user Release 1.2
└─⟦a6ab2eb36⟧ UNIX Filesystem
    └─⟦this⟧ »kc/new/usr/include/sys/fs/nfs/clnt.h« 

TextFile

/*
 * Copyrighted as an unpublished work.
 * (c) Copyright 1988 INTERACTIVE Systems Corporation
 * 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.
 */

#ident  "@(#)clnt.h	1.1 - 88/04/26"

/*      @(#)sufstring	3.3 System V NFS  source        */
/*	@(#)clnt.h	1.4 12/29/87		3.3 System V NFS  source        */
/* Copyright (C) 1984, Sun Microsystems, Inc. */

/*      @(#)clnt.h	3.1 LAI System V NFS Release 3.0/V3  source        */

/*
 * Some of this module was taken from Convergent's  clnt.h:
 *
 *	Convergent Technologies - System V - Nov 1986
 * #ident	"@(#)clnt.h	1.3 :/source/uts/common/sys/fs/nfs/s.clnt.h 1/12/87 19:38:13"
 *      @(#)clnt.h	2.4 System V NFS  source
 *	@(#)clnt.h 1.19 85/11/19 SMI
 */

/*
 * clnt.h - Client side remote procedure call interface.
 */

/*
 * Rpc calls return an enum clnt_stat.  This should be looked at more,
 * since each implementation is required to live with this (implementation
 * independent) list of errors.
 */
enum clnt_stat {
	RPC_SUCCESS=0,			/* call succeeded */
	/*
	 * local errors
	 */
	RPC_CANTENCODEARGS=1,		/* can't encode arguments */
	RPC_CANTDECODERES=2,		/* can't decode results */
	RPC_CANTSEND=3,			/* failure in sending call */
	RPC_CANTRECV=4,			/* failure in receiving result */
	RPC_TIMEDOUT=5,			/* call timed out */
	/*
	 * remote errors
	 */
	RPC_VERSMISMATCH=6,		/* rpc versions not compatible */
	RPC_AUTHERROR=7,		/* authentication error */
	RPC_PROGUNAVAIL=8,		/* program not available */
	RPC_PROGVERSMISMATCH=9,		/* program version mismatched */
	RPC_PROCUNAVAIL=10,		/* procedure unavailable */
	RPC_CANTDECODEARGS=11,		/* decode arguments error */
	RPC_SYSTEMERROR=12,		/* generic "other problem" */

	/*
	 * callrpc errors
	 */
	RPC_UNKNOWNHOST=13,		/* unknown host name */

	/*
	 * _ create errors
	 */
	RPC_PMAPFAILURE=14,		/* the pmapper failed in its call */
	RPC_PROGNOTREGISTERED=15,	/* remote program is not registered */
	/*
	 * unspecified error
	 */
	RPC_FAILED=16,

	/*
	 * Operation interrupted
	 */
	RPC_INTERRUPTED=17
};


/*
 * Error info.
 */
struct rpc_err {
	enum clnt_stat re_status;
	union {
		int RE_errno;		/* realated system error */
		enum auth_stat RE_why;	/* why the auth error occurred */
		struct {
			ulong low;	/* lowest verion supported */
			ulong high;	/* highest verion supported */
		} RE_vers;
		struct {		/* maybe meaningful if RPC_FAILED */
			long s1;
			long s2;
		} RE_lb;		/* life boot & debugging only */
	} ru;
#define	re_errno	ru.RE_errno
#define	re_why		ru.RE_why
#define	re_vers		ru.RE_vers
#define	re_lb		ru.RE_lb
};


/*
 * Client rpc handle.
 * Created by individual implementations, see e.g. rpc_udp.c.
 * Client is responsible for initializing auth, see e.g. auth_none.c.
 */
typedef struct {
	AUTH	*cl_auth;			/* authenticator */
	struct clnt_ops {
		enum clnt_stat	(*cl_call)();	/* call remote procedure */
		void		(*cl_abort)();	/* abort a call */
		void		(*cl_geterr)();	/* get specific error code */
		bool_t		(*cl_freeres)(); /* frees results */
		void		(*cl_destroy)();/* destroy this structure */
	} *cl_ops;
	caddr_t			cl_private;	/* private stuff */
} CLIENT;


/*
 * client side rpc interface ops
 *
 * Parameter types are:
 *
 */

/*
 * enum clnt_stat
 * CLNT_CALL(rh, proc, xargs, argsp, xres, resp, timeout)
 * 	CLIENT *rh;
 *	u_long proc;
 *	xdrproc_t xargs;
 *	caddr_t argsp;
 *	xdrproc_t xres;
 *	caddr_t resp;
 *	struct timeval timeout;
 */
#define	CLNT_CALL(rh, proc, xargs, argsp, xres, resp, secs)	\
	((*(rh)->cl_ops->cl_call)(rh, proc, xargs, argsp, xres, resp, secs))
#define	clnt_call(rh, proc, xargs, argsp, xres, resp, secs)	\
	((*(rh)->cl_ops->cl_call)(rh, proc, xargs, argsp, xres, resp, secs))

/*
 * void
 * CLNT_ABORT(rh);
 * 	CLIENT *rh;
 */
#define	CLNT_ABORT(rh)	((*(rh)->cl_ops->cl_abort)(rh))
#define	clnt_abort(rh)	((*(rh)->cl_ops->cl_abort)(rh))

/*
 * struct rpc_err
 * CLNT_GETERR(rh);
 * 	CLIENT *rh;
 */
#define	CLNT_GETERR(rh,errp)	((*(rh)->cl_ops->cl_geterr)(rh, errp))
#define	clnt_geterr(rh,errp)	((*(rh)->cl_ops->cl_geterr)(rh, errp))


/*
 * bool_t
 * CLNT_FREERES(rh, xres, resp);
 * 	CLIENT *rh;
 *	xdrproc_t xres;
 *	caddr_t resp;
 */
#define	CLNT_FREERES(rh,xres,resp) ((*(rh)->cl_ops->cl_freeres)(rh,xres,resp))
#define	clnt_freeres(rh,xres,resp) ((*(rh)->cl_ops->cl_freeres)(rh,xres,resp))

/*
 * void
 * CLNT_DESTROY(rh);
 * 	CLIENT *rh;
 */
#define	CLNT_DESTROY(rh)	((*(rh)->cl_ops->cl_destroy)(rh))
#define	clnt_destroy(rh)	((*(rh)->cl_ops->cl_destroy)(rh))


/*
 * RPCTEST is a test program which is accessable on every rpc
 * transport/port.  It is used for testing, performance evaluation,
 * and network administration.
 */

#define RPCTEST_PROGRAM		((ulong)1)
#define RPCTEST_VERSION		((ulong)1)
#define RPCTEST_NULL_PROC	((ulong)2)
#define RPCTEST_NULL_BATCH_PROC	((ulong)3)

/*
 * By convention, procedure 0 takes null arguments and returns them
 */

#define NULLPROC ((ulong)0)

/*
 * Below are the client handle creation routines for the various
 * implementations of client side rpc.  They can return NULL if a 
 * creation failure occurs.
 */

/*
 * Kernel streams-based rpc
 * CLIENT *
 * clntkclt_open(addr, alen, pgm, vers)
 *	NETBUF addr;
 *	u_long	pgm;
 *	u_long	vers;
 */
extern CLIENT *clntkclt_open();

#define RPCSMALLMSGSIZE	400	/* a more reasonable packet size */