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-rw-r--r--sunrpc/clnt_raw.c238
1 files changed, 238 insertions, 0 deletions
diff --git a/sunrpc/clnt_raw.c b/sunrpc/clnt_raw.c
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+++ b/sunrpc/clnt_raw.c
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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 !defined(lint) && defined(SCCSIDS)
+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 similate rpc and get round trip overhead, without
+ * any interference from the kernal.
+ */
+
+#include <rpc/rpc.h>
+
+#define MCALL_MSG_SIZE 24
+
+/*
+ * This is the "network" we will be moving stuff over.
+ */
+static struct clntraw_private {
+ CLIENT client_object;
+ XDR xdr_stream;
+ char _raw_buf[UDPMSGSIZE];
+ char mashl_callmsg[MCALL_MSG_SIZE];
+ u_int mcnt;
+} *clntraw_private;
+
+static enum clnt_stat clntraw_call();
+static void clntraw_abort();
+static void clntraw_geterr();
+static bool_t clntraw_freeres();
+static bool_t clntraw_control();
+static void clntraw_destroy();
+
+static struct clnt_ops client_ops = {
+ clntraw_call,
+ clntraw_abort,
+ clntraw_geterr,
+ clntraw_freeres,
+ clntraw_destroy,
+ clntraw_control
+};
+
+void svc_getreq();
+
+/*
+ * Create a client handle for memory based rpc.
+ */
+CLIENT *
+clntraw_create(prog, vers)
+ u_long prog;
+ u_long vers;
+{
+ register struct clntraw_private *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 *)calloc(1, sizeof (*clp));
+ if (clp == 0)
+ return (0);
+ clntraw_private = clp;
+ }
+ /*
+ * pre-serialize the staic 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;
+{
+ register struct clntraw_private *clp = clntraw_private;
+ register XDR *xdrs = &clp->xdr_stream;
+ struct rpc_msg msg;
+ enum clnt_stat status;
+ struct rpc_err error;
+
+ if (clp == 0)
+ 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()
+{
+}
+
+
+static bool_t
+clntraw_freeres(cl, xdr_res, res_ptr)
+ CLIENT *cl;
+ xdrproc_t xdr_res;
+ caddr_t res_ptr;
+{
+ register struct clntraw_private *clp = clntraw_private;
+ register XDR *xdrs = &clp->xdr_stream;
+ bool_t rval;
+
+ if (clp == 0)
+ {
+ rval = (bool_t) RPC_FAILED;
+ return (rval);
+ }
+ xdrs->x_op = XDR_FREE;
+ return ((*xdr_res)(xdrs, res_ptr));
+}
+
+static void
+clntraw_abort()
+{
+}
+
+static bool_t
+clntraw_control()
+{
+ return (FALSE);
+}
+
+static void
+clntraw_destroy()
+{
+}