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    /*	$OpenBSD: svc_raw.c,v 1.12 2015/11/01 03:45:29 guenther Exp $ */  | 
    
    
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    /*  | 
    
    
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     * Copyright (c) 2010, Oracle America, Inc.  | 
    
    
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     *  | 
    
    
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     * Redistribution and use in source and binary forms, with or without  | 
    
    
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     * modification, are permitted provided that the following conditions are  | 
    
    
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     * met:  | 
    
    
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     *  | 
    
    
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     *     * Redistributions of source code must retain the above copyright  | 
    
    
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     *       notice, this list of conditions and the following disclaimer.  | 
    
    
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     *     * Redistributions in binary form must reproduce the above  | 
    
    
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     *       copyright notice, this list of conditions and the following  | 
    
    
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     *       disclaimer in the documentation and/or other materials  | 
    
    
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     *       provided with the distribution.  | 
    
    
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     *     * Neither the name of the "Oracle America, Inc." nor the names of its  | 
    
    
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     *       contributors may be used to endorse or promote products derived  | 
    
    
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     *       from this software without specific prior written permission.  | 
    
    
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     *  | 
    
    
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     *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS  | 
    
    
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     *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT  | 
    
    
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     *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS  | 
    
    
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     *   FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE  | 
    
    
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     *   COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,  | 
    
    
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     *   INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL  | 
    
    
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     *   DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE  | 
    
    
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     *   GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS  | 
    
    
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     *   INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,  | 
    
    
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     *   WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING  | 
    
    
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     *   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE  | 
    
    
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     *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.  | 
    
    
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     */  | 
    
    
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    /*  | 
    
    
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     * svc_raw.c,   This a toy for simple testing and timing.  | 
    
    
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     * Interface to create an rpc client and server in the same UNIX process.  | 
    
    
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     * This lets us similate rpc and get rpc (round trip) overhead, without  | 
    
    
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     * any interference from the kernel.  | 
    
    
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     */  | 
    
    
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    #include <stdlib.h>  | 
    
    
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    #include <rpc/rpc.h>  | 
    
    
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    /*  | 
    
    
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     * This is the "network" that we will be moving data over  | 
    
    
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     */  | 
    
    
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    static struct svcraw_private { | 
    
    
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    	char	_raw_buf[UDPMSGSIZE];  | 
    
    
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    	SVCXPRT	server;  | 
    
    
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    	XDR	xdr_stream;  | 
    
    
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    	char	verf_body[MAX_AUTH_BYTES];  | 
    
    
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    } *svcraw_private;  | 
    
    
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    static bool_t		svcraw_recv(SVCXPRT *xprt, struct rpc_msg *msg);  | 
    
    
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    static enum xprt_stat 	svcraw_stat(SVCXPRT *xprt);  | 
    
    
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    static bool_t		svcraw_getargs(SVCXPRT *xprt, xdrproc_t xdr_args,  | 
    
    
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    			    caddr_t args_ptr);  | 
    
    
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    static bool_t		svcraw_reply(SVCXPRT *xprt, struct rpc_msg *msg);  | 
    
    
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    static bool_t		svcraw_freeargs(SVCXPRT *xprt, xdrproc_t xdr_args,  | 
    
    
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    			    caddr_t args_ptr);  | 
    
    
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    static void		svcraw_destroy(SVCXPRT *xprt);  | 
    
    
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    static struct xp_ops server_ops = { | 
    
    
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    	svcraw_recv,  | 
    
    
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    	svcraw_stat,  | 
    
    
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    	svcraw_getargs,  | 
    
    
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    	svcraw_reply,  | 
    
    
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    	svcraw_freeargs,  | 
    
    
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    	svcraw_destroy  | 
    
    
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    };  | 
    
    
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    SVCXPRT *  | 
    
    
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    svcraw_create(void)  | 
    
    
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    { | 
    
    
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    	struct svcraw_private *srp = svcraw_private;  | 
    
    
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    	if (srp == NULL) { | 
    
    
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    		srp = calloc(1, sizeof (*srp));  | 
    
    
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    		if (srp == NULL)  | 
    
    
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    			return (NULL);  | 
    
    
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    	}  | 
    
    
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    	srp->server.xp_sock = 0;  | 
    
    
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    	srp->server.xp_port = 0;  | 
    
    
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    	srp->server.xp_ops = &server_ops;  | 
    
    
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    	srp->server.xp_verf.oa_base = srp->verf_body;  | 
    
    
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    	xdrmem_create(&srp->xdr_stream, srp->_raw_buf, UDPMSGSIZE, XDR_FREE);  | 
    
    
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    	return (&srp->server);  | 
    
    
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    }  | 
    
    
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    static enum xprt_stat  | 
    
    
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    svcraw_stat(SVCXPRT *xprt)  | 
    
    
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    { | 
    
    
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    	return (XPRT_IDLE);  | 
    
    
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    }  | 
    
    
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    static bool_t  | 
    
    
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    svcraw_recv(SVCXPRT *xprt, struct rpc_msg *msg)  | 
    
    
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    { | 
    
    
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    	struct svcraw_private *srp = svcraw_private;  | 
    
    
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    	XDR *xdrs;  | 
    
    
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    	if (srp == NULL)  | 
    
    
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    		return (0);  | 
    
    
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    	xdrs = &srp->xdr_stream;  | 
    
    
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    	xdrs->x_op = XDR_DECODE;  | 
    
    
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    	XDR_SETPOS(xdrs, 0);  | 
    
    
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    	if (! xdr_callmsg(xdrs, msg))  | 
    
    
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    	       return (FALSE);  | 
    
    
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    	return (TRUE);  | 
    
    
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    }  | 
    
    
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    static bool_t  | 
    
    
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    svcraw_reply(SVCXPRT *xprt, struct rpc_msg *msg)  | 
    
    
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    { | 
    
    
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    	struct svcraw_private *srp = svcraw_private;  | 
    
    
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    	XDR *xdrs;  | 
    
    
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    	if (srp == NULL)  | 
    
    
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    		return (FALSE);  | 
    
    
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    	xdrs = &srp->xdr_stream;  | 
    
    
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    	xdrs->x_op = XDR_ENCODE;  | 
    
    
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    	XDR_SETPOS(xdrs, 0);  | 
    
    
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    	if (! xdr_replymsg(xdrs, msg))  | 
    
    
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    	       return (FALSE);  | 
    
    
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    	(void)XDR_GETPOS(xdrs);  /* called just for overhead */  | 
    
    
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    	return (TRUE);  | 
    
    
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    }  | 
    
    
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    static bool_t  | 
    
    
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    svcraw_getargs(SVCXPRT *xprt, xdrproc_t xdr_args, caddr_t args_ptr)  | 
    
    
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    { | 
    
    
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    	struct svcraw_private *srp = svcraw_private;  | 
    
    
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    	if (srp == NULL)  | 
    
    
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    		return (FALSE);  | 
    
    
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    	return ((*xdr_args)(&srp->xdr_stream, args_ptr));  | 
    
    
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    }  | 
    
    
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    static bool_t  | 
    
    
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    svcraw_freeargs(SVCXPRT *xprt, xdrproc_t xdr_args, caddr_t args_ptr)  | 
    
    
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    { | 
    
    
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    	struct svcraw_private *srp = svcraw_private;  | 
    
    
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    	XDR *xdrs;  | 
    
    
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    	if (srp == NULL)  | 
    
    
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    		return (FALSE);  | 
    
    
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    	xdrs = &srp->xdr_stream;  | 
    
    
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    	xdrs->x_op = XDR_FREE;  | 
    
    
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    	return ((*xdr_args)(xdrs, args_ptr));  | 
    
    
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    }  | 
    
    
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    static void  | 
    
    
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    svcraw_destroy(SVCXPRT *xprt)  | 
    
    
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    { | 
    
    
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    }  |