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[/] [or1k/] [trunk/] [linux/] [uClibc/] [libc/] [inet/] [rpc/] [clnt_raw.c] - Rev 1771
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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> #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; { 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, struct rpc_err *err) { } static bool_t clntraw_freeres (cl, xdr_res, res_ptr) CLIENT *cl; 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, int i, char *c) { return FALSE; } static void clntraw_destroy (CLIENT *cl) { }
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