/*
 * Copyright (c) 1989 Jan-Simon Pendry
 * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
 * Copyright (c) 1989, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Jan-Simon Pendry at Imperial College, London.
 *
 * %sccs.include.redist.c%
 *
 *	@(#)nfs_prot_svc.c	8.1 (Berkeley) 06/06/93
 *
 * $Id: nfs_prot_svc.c,v 5.2.2.1 1992/02/09 15:09:30 jsp beta $
 *
 */

#include "am.h"

void nfs_program_2(rqstp, transp)
struct svc_req *rqstp;
SVCXPRT *transp;
{
	union {
		nfs_fh nfsproc_getattr_2_arg;
		sattrargs nfsproc_setattr_2_arg;
		diropargs nfsproc_lookup_2_arg;
		nfs_fh nfsproc_readlink_2_arg;
		readargs nfsproc_read_2_arg;
		writeargs nfsproc_write_2_arg;
		createargs nfsproc_create_2_arg;
		diropargs nfsproc_remove_2_arg;
		renameargs nfsproc_rename_2_arg;
		linkargs nfsproc_link_2_arg;
		symlinkargs nfsproc_symlink_2_arg;
		createargs nfsproc_mkdir_2_arg;
		diropargs nfsproc_rmdir_2_arg;
		readdirargs nfsproc_readdir_2_arg;
		nfs_fh nfsproc_statfs_2_arg;
	} argument;
	char *result;
	bool_t (*xdr_argument)(), (*xdr_result)();
	char *(*local)();

	switch (rqstp->rq_proc) {
	case NFSPROC_NULL:
		xdr_argument = xdr_void;
		xdr_result = xdr_void;
		local = (char *(*)()) nfsproc_null_2;
		break;

	case NFSPROC_GETATTR:
		xdr_argument = xdr_nfs_fh;
		xdr_result = xdr_attrstat;
		local = (char *(*)()) nfsproc_getattr_2;
		break;

	case NFSPROC_SETATTR:
		xdr_argument = xdr_sattrargs;
		xdr_result = xdr_attrstat;
		local = (char *(*)()) nfsproc_setattr_2;
		break;

	case NFSPROC_ROOT:
		xdr_argument = xdr_void;
		xdr_result = xdr_void;
		local = (char *(*)()) nfsproc_root_2;
		break;

	case NFSPROC_LOOKUP:
		xdr_argument = xdr_diropargs;
		xdr_result = xdr_diropres;
		local = (char *(*)()) nfsproc_lookup_2;
		break;

	case NFSPROC_READLINK:
		xdr_argument = xdr_nfs_fh;
		xdr_result = xdr_readlinkres;
		local = (char *(*)()) nfsproc_readlink_2;
		break;

	case NFSPROC_READ:
		xdr_argument = xdr_readargs;
		xdr_result = xdr_readres;
		local = (char *(*)()) nfsproc_read_2;
		break;

	case NFSPROC_WRITECACHE:
		xdr_argument = xdr_void;
		xdr_result = xdr_void;
		local = (char *(*)()) nfsproc_writecache_2;
		break;

	case NFSPROC_WRITE:
		xdr_argument = xdr_writeargs;
		xdr_result = xdr_attrstat;
		local = (char *(*)()) nfsproc_write_2;
		break;

	case NFSPROC_CREATE:
		xdr_argument = xdr_createargs;
		xdr_result = xdr_diropres;
		local = (char *(*)()) nfsproc_create_2;
		break;

	case NFSPROC_REMOVE:
		xdr_argument = xdr_diropargs;
		xdr_result = xdr_nfsstat;
		local = (char *(*)()) nfsproc_remove_2;
		break;

	case NFSPROC_RENAME:
		xdr_argument = xdr_renameargs;
		xdr_result = xdr_nfsstat;
		local = (char *(*)()) nfsproc_rename_2;
		break;

	case NFSPROC_LINK:
		xdr_argument = xdr_linkargs;
		xdr_result = xdr_nfsstat;
		local = (char *(*)()) nfsproc_link_2;
		break;

	case NFSPROC_SYMLINK:
		xdr_argument = xdr_symlinkargs;
		xdr_result = xdr_nfsstat;
		local = (char *(*)()) nfsproc_symlink_2;
		break;

	case NFSPROC_MKDIR:
		xdr_argument = xdr_createargs;
		xdr_result = xdr_diropres;
		local = (char *(*)()) nfsproc_mkdir_2;
		break;

	case NFSPROC_RMDIR:
		xdr_argument = xdr_diropargs;
		xdr_result = xdr_nfsstat;
		local = (char *(*)()) nfsproc_rmdir_2;
		break;

	case NFSPROC_READDIR:
		xdr_argument = xdr_readdirargs;
		xdr_result = xdr_readdirres;
		local = (char *(*)()) nfsproc_readdir_2;
		break;

	case NFSPROC_STATFS:
		xdr_argument = xdr_nfs_fh;
		xdr_result = xdr_statfsres;
		local = (char *(*)()) nfsproc_statfs_2;
		break;

	default:
		svcerr_noproc(transp);
		return;
	}
	bzero((char *)&argument, sizeof(argument));
	if (!svc_getargs(transp, xdr_argument, &argument)) {
		svcerr_decode(transp);
		return;
	}
	result = (*local)(&argument, rqstp);
	if (result != NULL && !svc_sendreply(transp, xdr_result, result)) {
		svcerr_systemerr(transp);
	}
	if (!svc_freeargs(transp, xdr_argument, &argument)) {
		plog(XLOG_FATAL, "unable to free rpc arguments in nfs_program_1");
		going_down(1);
	}
}