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/* @(#)clnt_raw.c 2.2 88/08/01 4.0 RPCSRC */
/*
* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
* unrestricted use provided that this legend is included on all tape
* media and as a part of the software program in whole or part. Users
* may copy or modify Sun RPC without charge, but are not authorized
* to license or distribute it to anyone else except as part of a product or
* program developed by the user.
*
* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
*
* Sun RPC is provided with no support and without any obligation on the
* part of Sun Microsystems, Inc. to assist in its use, correction,
* modification or enhancement.
*
* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
* OR ANY PART THEREOF.
*
* In no event will Sun Microsystems, Inc. be liable for any lost revenue
* or profits or other special, indirect and consequential damages, even if
* Sun has been advised of the possibility of such damages.
*
* Sun Microsystems, Inc.
* 2550 Garcia Avenue
* Mountain View, California 94043
*/
#if 0
static char sccsid[] = "@(#)clnt_raw.c 1.22 87/08/11 Copyr 1984 Sun Micro";
#endif
/*
* clnt_raw.c
*
* Copyright (C) 1984, Sun Microsystems, Inc.
*
* Memory based rpc for simple testing and timing.
* Interface to create an rpc client and server in the same process.
* This lets us simulate rpc and get round trip overhead, without
* any interference from the kernel.
*/
#define __FORCE_GLIBC
#include <features.h>
#include "rpc_private.h"
#include <rpc/svc.h>
#include <rpc/xdr.h>
/* libc_hidden_proto(perror) */
libc_hidden_proto(authnone_create)
/* libc_hidden_proto(xdrmem_create) */
libc_hidden_proto(xdr_callhdr)
/* libc_hidden_proto(xdr_replymsg) */
libc_hidden_proto(xdr_opaque_auth)
libc_hidden_proto(svc_getreq)
libc_hidden_proto(_seterr_reply)
#define MCALL_MSG_SIZE 24
/*
* This is the "network" we will be moving stuff over.
*/
struct clntraw_private_s
{
CLIENT client_object;
XDR xdr_stream;
char _raw_buf[UDPMSGSIZE];
char mashl_callmsg[MCALL_MSG_SIZE];
u_int mcnt;
};
#ifdef __UCLIBC_HAS_THREADS__
#define clntraw_private (*(struct clntraw_private_s **)&RPC_THREAD_VARIABLE(clntraw_private_s))
#else
static struct clntraw_private_s *clntraw_private;
#endif
static enum clnt_stat clntraw_call (CLIENT *, u_long, xdrproc_t, caddr_t,
xdrproc_t, caddr_t, struct timeval);
static void clntraw_abort (void);
static void clntraw_geterr (CLIENT *, struct rpc_err *);
static bool_t clntraw_freeres (CLIENT *, xdrproc_t, caddr_t);
static bool_t clntraw_control (CLIENT *, int, char *);
static void clntraw_destroy (CLIENT *);
static struct clnt_ops client_ops =
{
clntraw_call,
clntraw_abort,
clntraw_geterr,
clntraw_freeres,
clntraw_destroy,
clntraw_control
};
/*
* Create a client handle for memory based rpc.
*/
CLIENT *
clntraw_create (u_long prog, u_long vers)
{
struct clntraw_private_s *clp = clntraw_private;
struct rpc_msg call_msg;
XDR *xdrs = &clp->xdr_stream;
CLIENT *client = &clp->client_object;
if (clp == 0)
{
clp = (struct clntraw_private_s *) calloc (1, sizeof (*clp));
if (clp == 0)
return (0);
clntraw_private = clp;
}
/*
* pre-serialize the static part of the call msg and stash it away
*/
call_msg.rm_direction = CALL;
call_msg.rm_call.cb_rpcvers = RPC_MSG_VERSION;
call_msg.rm_call.cb_prog = prog;
call_msg.rm_call.cb_vers = vers;
xdrmem_create (xdrs, clp->mashl_callmsg, MCALL_MSG_SIZE, XDR_ENCODE);
if (!xdr_callhdr (xdrs, &call_msg))
{
perror (_ ("clnt_raw.c - Fatal header serialization error."));
}
clp->mcnt = XDR_GETPOS (xdrs);
XDR_DESTROY (xdrs);
/*
* Set xdrmem for client/server shared buffer
*/
xdrmem_create (xdrs, clp->_raw_buf, UDPMSGSIZE, XDR_FREE);
/*
* create client handle
*/
client->cl_ops = &client_ops;
client->cl_auth = authnone_create ();
return client;
}
static enum clnt_stat
clntraw_call (h, proc, xargs, argsp, xresults, resultsp, timeout)
CLIENT *h;
u_long proc;
xdrproc_t xargs;
caddr_t argsp;
xdrproc_t xresults;
caddr_t resultsp;
struct timeval timeout attribute_unused;
{
struct clntraw_private_s *clp = clntraw_private;
XDR *xdrs = &clp->xdr_stream;
struct rpc_msg msg;
enum clnt_stat status;
struct rpc_err error;
if (clp == NULL)
return RPC_FAILED;
call_again:
/*
* send request
*/
xdrs->x_op = XDR_ENCODE;
XDR_SETPOS (xdrs, 0);
((struct rpc_msg *) clp->mashl_callmsg)->rm_xid++;
if ((!XDR_PUTBYTES (xdrs, clp->mashl_callmsg, clp->mcnt)) ||
(!XDR_PUTLONG (xdrs, (long *) &proc)) ||
(!AUTH_MARSHALL (h->cl_auth, xdrs)) ||
(!(*xargs) (xdrs, argsp)))
{
return (RPC_CANTENCODEARGS);
}
(void) XDR_GETPOS (xdrs); /* called just to cause overhead */
/*
* We have to call server input routine here because this is
* all going on in one process. Yuk.
*/
svc_getreq (1);
/*
* get results
*/
xdrs->x_op = XDR_DECODE;
XDR_SETPOS (xdrs, 0);
msg.acpted_rply.ar_verf = _null_auth;
msg.acpted_rply.ar_results.where = resultsp;
msg.acpted_rply.ar_results.proc = xresults;
if (!xdr_replymsg (xdrs, &msg))
return RPC_CANTDECODERES;
_seterr_reply (&msg, &error);
status = error.re_status;
if (status == RPC_SUCCESS)
{
if (!AUTH_VALIDATE (h->cl_auth, &msg.acpted_rply.ar_verf))
{
status = RPC_AUTHERROR;
}
} /* end successful completion */
else
{
if (AUTH_REFRESH (h->cl_auth))
goto call_again;
} /* end of unsuccessful completion */
if (status == RPC_SUCCESS)
{
if (!AUTH_VALIDATE (h->cl_auth, &msg.acpted_rply.ar_verf))
{
status = RPC_AUTHERROR;
}
if (msg.acpted_rply.ar_verf.oa_base != NULL)
{
xdrs->x_op = XDR_FREE;
(void) xdr_opaque_auth (xdrs, &(msg.acpted_rply.ar_verf));
}
}
return status;
}
static void
clntraw_geterr (CLIENT *cl attribute_unused, struct rpc_err *err attribute_unused)
{
}
static bool_t
clntraw_freeres (CLIENT *cl attribute_unused, xdrproc_t xdr_res, caddr_t res_ptr)
{
struct clntraw_private_s *clp = clntraw_private;
XDR *xdrs = &clp->xdr_stream;
bool_t rval;
if (clp == NULL)
{
rval = (bool_t) RPC_FAILED;
return rval;
}
xdrs->x_op = XDR_FREE;
return (*xdr_res) (xdrs, res_ptr);
}
static void
clntraw_abort (void)
{
}
static bool_t
clntraw_control (CLIENT *cl attribute_unused, int i attribute_unused, char *c attribute_unused)
{
return FALSE;
}
static void
clntraw_destroy (CLIENT *cl attribute_unused)
{
}
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