clnt_raw.c revision 1.4
1 /* $NetBSD: clnt_raw.c,v 1.4 1997/07/13 20:13:06 christos Exp $ */ 2 3 /* 4 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for 5 * unrestricted use provided that this legend is included on all tape 6 * media and as a part of the software program in whole or part. Users 7 * may copy or modify Sun RPC without charge, but are not authorized 8 * to license or distribute it to anyone else except as part of a product or 9 * program developed by the user. 10 * 11 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE 12 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR 13 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. 14 * 15 * Sun RPC is provided with no support and without any obligation on the 16 * part of Sun Microsystems, Inc. to assist in its use, correction, 17 * modification or enhancement. 18 * 19 * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE 20 * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC 21 * OR ANY PART THEREOF. 22 * 23 * In no event will Sun Microsystems, Inc. be liable for any lost revenue 24 * or profits or other special, indirect and consequential damages, even if 25 * Sun has been advised of the possibility of such damages. 26 * 27 * Sun Microsystems, Inc. 28 * 2550 Garcia Avenue 29 * Mountain View, California 94043 30 */ 31 32 #include <sys/cdefs.h> 33 #if defined(LIBC_SCCS) && !defined(lint) 34 #if 0 35 static char *sccsid = "@(#)clnt_raw.c 1.22 87/08/11 Copyr 1984 Sun Micro"; 36 static char *sccsid = "@(#)clnt_raw.c 2.2 88/08/01 4.0 RPCSRC"; 37 #else 38 __RCSID("$NetBSD: clnt_raw.c,v 1.4 1997/07/13 20:13:06 christos Exp $"); 39 #endif 40 #endif 41 42 /* 43 * clnt_raw.c 44 * 45 * Copyright (C) 1984, Sun Microsystems, Inc. 46 * 47 * Memory based rpc for simple testing and timing. 48 * Interface to create an rpc client and server in the same process. 49 * This lets us similate rpc and get round trip overhead, without 50 * any interference from the kernal. 51 */ 52 53 #include <stdio.h> 54 #include <stdlib.h> 55 #include <rpc/rpc.h> 56 57 #define MCALL_MSG_SIZE 24 58 59 /* 60 * This is the "network" we will be moving stuff over. 61 */ 62 static struct clntraw_private { 63 CLIENT client_object; 64 XDR xdr_stream; 65 char _raw_buf[UDPMSGSIZE]; 66 char mashl_callmsg[MCALL_MSG_SIZE]; 67 u_int mcnt; 68 } *clntraw_private; 69 70 71 72 static enum clnt_stat clntraw_call __P((CLIENT *, u_long, xdrproc_t, 73 caddr_t, xdrproc_t, caddr_t, struct timeval)); 74 static void clntraw_geterr __P((CLIENT *, struct rpc_err *)); 75 static bool_t clntraw_freeres __P((CLIENT *, xdrproc_t, caddr_t)); 76 static void clntraw_abort __P((CLIENT *)); 77 static bool_t clntraw_control __P((CLIENT *, u_int, char *)); 78 static void clntraw_destroy __P((CLIENT *)); 79 80 static struct clnt_ops client_ops = { 81 clntraw_call, 82 clntraw_abort, 83 clntraw_geterr, 84 clntraw_freeres, 85 clntraw_destroy, 86 clntraw_control 87 }; 88 89 /* 90 * Create a client handle for memory based rpc. 91 */ 92 CLIENT * 93 clntraw_create(prog, vers) 94 u_long prog; 95 u_long vers; 96 { 97 register struct clntraw_private *clp = clntraw_private; 98 struct rpc_msg call_msg; 99 XDR *xdrs = &clp->xdr_stream; 100 CLIENT *client = &clp->client_object; 101 102 if (clp == 0) { 103 clp = (struct clntraw_private *)calloc(1, sizeof (*clp)); 104 if (clp == 0) 105 return (0); 106 clntraw_private = clp; 107 } 108 /* 109 * pre-serialize the staic part of the call msg and stash it away 110 */ 111 call_msg.rm_direction = CALL; 112 call_msg.rm_call.cb_rpcvers = RPC_MSG_VERSION; 113 call_msg.rm_call.cb_prog = prog; 114 call_msg.rm_call.cb_vers = vers; 115 xdrmem_create(xdrs, clp->mashl_callmsg, MCALL_MSG_SIZE, XDR_ENCODE); 116 if (! xdr_callhdr(xdrs, &call_msg)) { 117 perror("clnt_raw.c - Fatal header serialization error."); 118 } 119 clp->mcnt = XDR_GETPOS(xdrs); 120 XDR_DESTROY(xdrs); 121 122 /* 123 * Set xdrmem for client/server shared buffer 124 */ 125 xdrmem_create(xdrs, clp->_raw_buf, UDPMSGSIZE, XDR_FREE); 126 127 /* 128 * create client handle 129 */ 130 client->cl_ops = &client_ops; 131 client->cl_auth = authnone_create(); 132 return (client); 133 } 134 135 static enum clnt_stat 136 clntraw_call(h, proc, xargs, argsp, xresults, resultsp, timeout) 137 CLIENT *h; 138 u_long proc; 139 xdrproc_t xargs; 140 caddr_t argsp; 141 xdrproc_t xresults; 142 caddr_t resultsp; 143 struct timeval timeout; 144 { 145 register struct clntraw_private *clp = clntraw_private; 146 register XDR *xdrs = &clp->xdr_stream; 147 struct rpc_msg msg; 148 enum clnt_stat status; 149 struct rpc_err error; 150 151 if (clp == 0) 152 return (RPC_FAILED); 153 call_again: 154 /* 155 * send request 156 */ 157 xdrs->x_op = XDR_ENCODE; 158 XDR_SETPOS(xdrs, 0); 159 ((struct rpc_msg *)clp->mashl_callmsg)->rm_xid ++ ; 160 if ((! XDR_PUTBYTES(xdrs, clp->mashl_callmsg, clp->mcnt)) || 161 (! XDR_PUTLONG(xdrs, &proc)) || 162 (! AUTH_MARSHALL(h->cl_auth, xdrs)) || 163 (! (*xargs)(xdrs, argsp))) { 164 return (RPC_CANTENCODEARGS); 165 } 166 (void)XDR_GETPOS(xdrs); /* called just to cause overhead */ 167 168 /* 169 * We have to call server input routine here because this is 170 * all going on in one process. Yuk. 171 */ 172 svc_getreq(1); 173 174 /* 175 * get results 176 */ 177 xdrs->x_op = XDR_DECODE; 178 XDR_SETPOS(xdrs, 0); 179 msg.acpted_rply.ar_verf = _null_auth; 180 msg.acpted_rply.ar_results.where = resultsp; 181 msg.acpted_rply.ar_results.proc = xresults; 182 if (! xdr_replymsg(xdrs, &msg)) 183 return (RPC_CANTDECODERES); 184 _seterr_reply(&msg, &error); 185 status = error.re_status; 186 187 if (status == RPC_SUCCESS) { 188 if (! AUTH_VALIDATE(h->cl_auth, &msg.acpted_rply.ar_verf)) { 189 status = RPC_AUTHERROR; 190 } 191 } /* end successful completion */ 192 else { 193 if (AUTH_REFRESH(h->cl_auth)) 194 goto call_again; 195 } /* end of unsuccessful completion */ 196 197 if (status == RPC_SUCCESS) { 198 if (! AUTH_VALIDATE(h->cl_auth, &msg.acpted_rply.ar_verf)) { 199 status = RPC_AUTHERROR; 200 } 201 if (msg.acpted_rply.ar_verf.oa_base != NULL) { 202 xdrs->x_op = XDR_FREE; 203 (void)xdr_opaque_auth(xdrs, &(msg.acpted_rply.ar_verf)); 204 } 205 } 206 207 return (status); 208 } 209 210 /*ARGSUSED*/ 211 static void 212 clntraw_geterr(cl, err) 213 CLIENT *cl; 214 struct rpc_err *err; 215 { 216 } 217 218 219 static bool_t 220 clntraw_freeres(cl, xdr_res, res_ptr) 221 CLIENT *cl; 222 xdrproc_t xdr_res; 223 caddr_t res_ptr; 224 { 225 register struct clntraw_private *clp = clntraw_private; 226 register XDR *xdrs = &clp->xdr_stream; 227 bool_t rval; 228 229 if (clp == 0) 230 { 231 rval = (bool_t) RPC_FAILED; 232 return (rval); 233 } 234 xdrs->x_op = XDR_FREE; 235 return ((*xdr_res)(xdrs, res_ptr)); 236 } 237 238 /*ARGSUSED*/ 239 static void 240 clntraw_abort(cl) 241 CLIENT *cl; 242 { 243 } 244 245 /*ARGSUSED*/ 246 static bool_t 247 clntraw_control(cl, ui, str) 248 CLIENT *cl; 249 u_int ui; 250 char *str; 251 { 252 return (FALSE); 253 } 254 255 /*ARGSUSED*/ 256 static void 257 clntraw_destroy(cl) 258 CLIENT *cl; 259 { 260 } 261
Indexes created Mon Sep 29 21:09:56 GMT 2025