nfs_prot.c

来自「<B>Digital的Unix操作系统VAX 4.2源码</B>」· C语言 代码 · 共 633 行

#ifndef lint
static char *sccsid = "@(#)nfs_prot.c	4.1      (ULTRIX)        7/2/90";
#endif lint

/************************************************************************
 *									*
 *			Copyright (c) 1986 by				*
 *		Digital Equipment Corporation, Maynard, MA		*
 *			All rights reserved.				*
 *									*
 *   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.			*
 *									*
 *   This software is  derived  from  software  received  from  the	*
 *   University    of   California,   Berkeley,   and   from   Bell	*
 *   Laboratories.  Use, duplication, or disclosure is  subject  to	*
 *   restrictions  under  license  agreements  with  University  of	*
 *   California and with AT&T.						*
 *									*
 *   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.	*
 *									*
 ************************************************************************/

/*
 *	Portions of this software have been licensed to 
 *	Digital Equipment Company, Maynard, MA.
 *	Copyright (c) 1987 Sun Microsystems, Inc.  ALL RIGHTS RESERVED.
 */
/*
 *	Modification History:
 *
 * 	14 Jun 89 -- condylis
 *		Added copyright header.
 *
 */



#include <rpc/rpc.h>
#include "nfs_prot.h"


bool_t
xdr_nfsstat(xdrs, objp)
	XDR *xdrs;
	nfsstat *objp;
{
	if (!xdr_enum(xdrs, (enum_t *)objp)) {
		return (FALSE);
	}
	return (TRUE);
}




bool_t
xdr_ftype(xdrs, objp)
	XDR *xdrs;
	ftype *objp;
{
	if (!xdr_enum(xdrs, (enum_t *)objp)) {
		return (FALSE);
	}
	return (TRUE);
}




bool_t
xdr_nfs_fh(xdrs, objp)
	XDR *xdrs;
	nfs_fh *objp;
{
	if (!xdr_opaque(xdrs, objp->data, NFS_FHSIZE)) {
		return (FALSE);
	}
	return (TRUE);
}




bool_t
xdr_nfstime(xdrs, objp)
	XDR *xdrs;
	nfstime *objp;
{
	if (!xdr_u_int(xdrs, &objp->seconds)) {
		return (FALSE);
	}
	if (!xdr_u_int(xdrs, &objp->useconds)) {
		return (FALSE);
	}
	return (TRUE);
}




bool_t
xdr_fattr(xdrs, objp)
	XDR *xdrs;
	fattr *objp;
{
	if (!xdr_ftype(xdrs, &objp->type)) {
		return (FALSE);
	}
	if (!xdr_u_int(xdrs, &objp->mode)) {
		return (FALSE);
	}
	if (!xdr_u_int(xdrs, &objp->nlink)) {
		return (FALSE);
	}
	if (!xdr_u_int(xdrs, &objp->uid)) {
		return (FALSE);
	}
	if (!xdr_u_int(xdrs, &objp->gid)) {
		return (FALSE);
	}
	if (!xdr_u_int(xdrs, &objp->size)) {
		return (FALSE);
	}
	if (!xdr_u_int(xdrs, &objp->blocksize)) {
		return (FALSE);
	}
	if (!xdr_u_int(xdrs, &objp->rdev)) {
		return (FALSE);
	}
	if (!xdr_u_int(xdrs, &objp->blocks)) {
		return (FALSE);
	}
	if (!xdr_u_int(xdrs, &objp->fsid)) {
		return (FALSE);
	}
	if (!xdr_u_int(xdrs, &objp->fileid)) {
		return (FALSE);
	}
	if (!xdr_nfstime(xdrs, &objp->atime)) {
		return (FALSE);
	}
	if (!xdr_nfstime(xdrs, &objp->mtime)) {
		return (FALSE);
	}
	if (!xdr_nfstime(xdrs, &objp->ctime)) {
		return (FALSE);
	}
	return (TRUE);
}




bool_t
xdr_sattr(xdrs, objp)
	XDR *xdrs;
	sattr *objp;
{
	if (!xdr_u_int(xdrs, &objp->mode)) {
		return (FALSE);
	}
	if (!xdr_u_int(xdrs, &objp->uid)) {
		return (FALSE);
	}
	if (!xdr_u_int(xdrs, &objp->gid)) {
		return (FALSE);
	}
	if (!xdr_u_int(xdrs, &objp->size)) {
		return (FALSE);
	}
	if (!xdr_nfstime(xdrs, &objp->atime)) {
		return (FALSE);
	}
	if (!xdr_nfstime(xdrs, &objp->mtime)) {
		return (FALSE);
	}
	return (TRUE);
}




bool_t
xdr_filename(xdrs, objp)
	XDR *xdrs;
	filename *objp;
{
	if (!xdr_string(xdrs, objp, NFS_MAXNAMLEN)) {
		return (FALSE);
	}
	return (TRUE);
}




bool_t
xdr_nfspath(xdrs, objp)
	XDR *xdrs;
	nfspath *objp;
{
	if (!xdr_string(xdrs, objp, NFS_MAXPATHLEN)) {
		return (FALSE);
	}
	return (TRUE);
}




bool_t
xdr_attrstat(xdrs, objp)
	XDR *xdrs;
	attrstat *objp;
{
	if (!xdr_nfsstat(xdrs, &objp->status)) {
		return (FALSE);
	}
	switch (objp->status) {
	case NFS_OK:
		if (!xdr_fattr(xdrs, &objp->attrstat_u.attributes)) {
			return (FALSE);
		}
		break;
	}
	return (TRUE);
}




bool_t
xdr_sattrargs(xdrs, objp)
	XDR *xdrs;
	sattrargs *objp;
{
	if (!xdr_nfs_fh(xdrs, &objp->file)) {
		return (FALSE);
	}
	if (!xdr_sattr(xdrs, &objp->attributes)) {
		return (FALSE);
	}
	return (TRUE);
}




bool_t
xdr_diropargs(xdrs, objp)
	XDR *xdrs;
	diropargs *objp;
{
	if (!xdr_nfs_fh(xdrs, &objp->dir)) {
		return (FALSE);
	}
	if (!xdr_filename(xdrs, &objp->name)) {
		return (FALSE);
	}
	return (TRUE);
}




bool_t
xdr_diropokres(xdrs, objp)
	XDR *xdrs;
	diropokres *objp;
{
	if (!xdr_nfs_fh(xdrs, &objp->file)) {
		return (FALSE);
	}
	if (!xdr_fattr(xdrs, &objp->attributes)) {
		return (FALSE);
	}
	return (TRUE);
}




bool_t
xdr_diropres(xdrs, objp)
	XDR *xdrs;
	diropres *objp;
{
	if (!xdr_nfsstat(xdrs, &objp->status)) {
		return (FALSE);
	}
	switch (objp->status) {
	case NFS_OK:
		if (!xdr_diropokres(xdrs, &objp->diropres_u.diropres)) {
			return (FALSE);
		}
		break;
	}
	return (TRUE);
}




bool_t
xdr_readlinkres(xdrs, objp)
	XDR *xdrs;
	readlinkres *objp;
{
	if (!xdr_nfsstat(xdrs, &objp->status)) {
		return (FALSE);
	}
	switch (objp->status) {
	case NFS_OK:
		if (!xdr_nfspath(xdrs, &objp->readlinkres_u.data)) {
			return (FALSE);
		}
		break;
	}
	return (TRUE);
}




bool_t
xdr_readargs(xdrs, objp)
	XDR *xdrs;
	readargs *objp;
{
	if (!xdr_nfs_fh(xdrs, &objp->file)) {
		return (FALSE);
	}
	if (!xdr_u_int(xdrs, &objp->offset)) {
		return (FALSE);
	}
	if (!xdr_u_int(xdrs, &objp->count)) {
		return (FALSE);
	}
	if (!xdr_u_int(xdrs, &objp->totalcount)) {
		return (FALSE);
	}
	return (TRUE);
}




bool_t
xdr_readokres(xdrs, objp)
	XDR *xdrs;
	readokres *objp;
{
	if (!xdr_fattr(xdrs, &objp->attributes)) {
		return (FALSE);
	}
	if (!xdr_bytes(xdrs, (char **)&objp->data.data_val, (u_int *)&objp->data.data_len, NFS_MAXDATA)) {
		return (FALSE);
	}
	return (TRUE);
}




bool_t
xdr_readres(xdrs, objp)
	XDR *xdrs;
	readres *objp;
{
	if (!xdr_nfsstat(xdrs, &objp->status)) {
		return (FALSE);
	}
	switch (objp->status) {
	case NFS_OK:
		if (!xdr_readokres(xdrs, &objp->readres_u.reply)) {
			return (FALSE);
		}
		break;
	}
	return (TRUE);
}




bool_t
xdr_writeargs(xdrs, objp)
	XDR *xdrs;
	writeargs *objp;
{
	if (!xdr_nfs_fh(xdrs, &objp->file)) {
		return (FALSE);
	}
	if (!xdr_u_int(xdrs, &objp->beginoffset)) {
		return (FALSE);
	}
	if (!xdr_u_int(xdrs, &objp->offset)) {
		return (FALSE);
	}
	if (!xdr_u_int(xdrs, &objp->totalcount)) {
		return (FALSE);
	}
	if (!xdr_bytes(xdrs, (char **)&objp->data.data_val, (u_int *)&objp->data.data_len, NFS_MAXDATA)) {
		return (FALSE);
	}
	return (TRUE);
}




bool_t
xdr_createargs(xdrs, objp)
	XDR *xdrs;
	createargs *objp;
{
	if (!xdr_diropargs(xdrs, &objp->where)) {
		return (FALSE);
	}
	if (!xdr_sattr(xdrs, &objp->attributes)) {
		return (FALSE);
	}
	return (TRUE);
}




bool_t
xdr_renameargs(xdrs, objp)
	XDR *xdrs;
	renameargs *objp;
{
	if (!xdr_diropargs(xdrs, &objp->from)) {
		return (FALSE);
	}
	if (!xdr_diropargs(xdrs, &objp->to)) {
		return (FALSE);
	}
	return (TRUE);
}




bool_t
xdr_linkargs(xdrs, objp)
	XDR *xdrs;
	linkargs *objp;
{
	if (!xdr_nfs_fh(xdrs, &objp->from)) {
		return (FALSE);
	}
	if (!xdr_diropargs(xdrs, &objp->to)) {
		return (FALSE);
	}
	return (TRUE);
}




bool_t
xdr_symlinkargs(xdrs, objp)
	XDR *xdrs;
	symlinkargs *objp;
{
	if (!xdr_diropargs(xdrs, &objp->from)) {
		return (FALSE);
	}
	if (!xdr_nfspath(xdrs, &objp->to)) {
		return (FALSE);
	}
	if (!xdr_sattr(xdrs, &objp->attributes)) {
		return (FALSE);
	}
	return (TRUE);
}




bool_t
xdr_nfscookie(xdrs, objp)
	XDR *xdrs;
	nfscookie objp;
{
	if (!xdr_opaque(xdrs, objp, NFS_COOKIESIZE)) {
		return (FALSE);
	}
	return (TRUE);
}




bool_t
xdr_readdirargs(xdrs, objp)
	XDR *xdrs;
	readdirargs *objp;
{
	if (!xdr_nfs_fh(xdrs, &objp->dir)) {
		return (FALSE);
	}
	if (!xdr_nfscookie(xdrs, objp->cookie)) {
		return (FALSE);
	}
	if (!xdr_u_int(xdrs, &objp->count)) {
		return (FALSE);
	}
	return (TRUE);
}




bool_t
xdr_entry(xdrs, objp)
	XDR *xdrs;
	entry *objp;
{
	if (!xdr_u_int(xdrs, &objp->fileid)) {
		return (FALSE);
	}
	if (!xdr_filename(xdrs, &objp->name)) {
		return (FALSE);
	}
	if (!xdr_nfscookie(xdrs, objp->cookie)) {
		return (FALSE);
	}
	if (!xdr_pointer(xdrs, (char **)&objp->nextentry, sizeof(entry), xdr_entry)) {
		return (FALSE);
	}
	return (TRUE);
}




bool_t
xdr_dirlist(xdrs, objp)
	XDR *xdrs;
	dirlist *objp;
{
	if (!xdr_pointer(xdrs, (char **)&objp->entries, sizeof(entry), xdr_entry)) {
		return (FALSE);
	}
	if (!xdr_bool(xdrs, &objp->eof)) {
		return (FALSE);
	}
	return (TRUE);
}




bool_t
xdr_readdirres(xdrs, objp)
	XDR *xdrs;
	readdirres *objp;
{
	if (!xdr_nfsstat(xdrs, &objp->status)) {
		return (FALSE);
	}
	switch (objp->status) {
	case NFS_OK:
		if (!xdr_dirlist(xdrs, &objp->readdirres_u.reply)) {
			return (FALSE);
		}
		break;
	}
	return (TRUE);
}




bool_t
xdr_statfsokres(xdrs, objp)
	XDR *xdrs;
	statfsokres *objp;
{
	if (!xdr_u_int(xdrs, &objp->tsize)) {
		return (FALSE);
	}
	if (!xdr_u_int(xdrs, &objp->bsize)) {
		return (FALSE);
	}
	if (!xdr_u_int(xdrs, &objp->blocks)) {
		return (FALSE);
	}
	if (!xdr_u_int(xdrs, &objp->bfree)) {
		return (FALSE);
	}
	if (!xdr_u_int(xdrs, &objp->bavail)) {
		return (FALSE);
	}
	return (TRUE);
}




bool_t
xdr_statfsres(xdrs, objp)
	XDR *xdrs;
	statfsres *objp;
{
	if (!xdr_nfsstat(xdrs, &objp->status)) {
		return (FALSE);
	}
	switch (objp->status) {
	case NFS_OK:
		if (!xdr_statfsokres(xdrs, &objp->statfsres_u.reply)) {
			return (FALSE);
		}
		break;
	}
	return (TRUE);
}