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