[df49c60] | 1 | /* |
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| 2 | * Sun RPC is a product of Sun Microsystems, Inc. and is provided for |
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| 3 | * unrestricted use provided that this legend is included on all tape |
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| 4 | * media and as a part of the software program in whole or part. Users |
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| 5 | * may copy or modify Sun RPC without charge, but are not authorized |
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| 6 | * to license or distribute it to anyone else except as part of a product or |
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| 7 | * program developed by the user. |
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| 8 | * |
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| 9 | * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE |
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| 10 | * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR |
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| 11 | * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. |
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| 12 | * |
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| 13 | * Sun RPC is provided with no support and without any obligation on the |
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| 14 | * part of Sun Microsystems, Inc. to assist in its use, correction, |
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| 15 | * modification or enhancement. |
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| 16 | * |
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| 17 | * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE |
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| 18 | * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC |
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| 19 | * OR ANY PART THEREOF. |
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| 20 | * |
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| 21 | * In no event will Sun Microsystems, Inc. be liable for any lost revenue |
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| 22 | * or profits or other special, indirect and consequential damages, even if |
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| 23 | * Sun has been advised of the possibility of such damages. |
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| 24 | * |
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| 25 | * Sun Microsystems, Inc. |
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| 26 | * 2550 Garcia Avenue |
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| 27 | * Mountain View, California 94043 |
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| 28 | */ |
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| 29 | |
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| 30 | #if defined(LIBC_SCCS) && !defined(lint) |
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| 31 | /*static char *sccsid = "from: @(#)clnt_raw.c 1.22 87/08/11 Copyr 1984 Sun Micro";*/ |
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| 32 | /*static char *sccsid = "from: @(#)clnt_raw.c 2.2 88/08/01 4.0 RPCSRC";*/ |
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| 33 | static char *rcsid = "$FreeBSD: src/lib/libc/rpc/clnt_raw.c,v 1.10 1999/08/28 00:00:36 peter Exp $"; |
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| 34 | #endif |
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| 35 | |
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| 36 | /* |
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| 37 | * clnt_raw.c |
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| 38 | * |
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| 39 | * Copyright (C) 1984, Sun Microsystems, Inc. |
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| 40 | * |
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| 41 | * Memory based rpc for simple testing and timing. |
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| 42 | * Interface to create an rpc client and server in the same process. |
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| 43 | * This lets us similate rpc and get round trip overhead, without |
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| 44 | * any interference from the kernal. |
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| 45 | */ |
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| 46 | |
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| 47 | #include <rpc/rpc.h> |
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| 48 | #include <stdlib.h> |
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| 49 | #include <stdio.h> |
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| 50 | |
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| 51 | #define MCALL_MSG_SIZE 24 |
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| 52 | |
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| 53 | /* |
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| 54 | * This is the "network" we will be moving stuff over. |
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| 55 | */ |
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| 56 | struct clnt_raw_private { |
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| 57 | CLIENT client_object; |
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| 58 | XDR xdr_stream; |
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| 59 | char _raw_buf[UDPMSGSIZE]; |
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| 60 | char mashl_callmsg[MCALL_MSG_SIZE]; |
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| 61 | u_int mcnt; |
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| 62 | }; |
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[ddb56f4] | 63 | #define clntraw_private (rtems_rpc_task_variables->clnt_raw_private) |
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[df49c60] | 64 | |
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| 65 | static enum clnt_stat clntraw_call(); |
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| 66 | static void clntraw_abort(); |
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| 67 | static void clntraw_geterr(); |
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| 68 | static bool_t clntraw_freeres(); |
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| 69 | static bool_t clntraw_control(); |
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| 70 | static void clntraw_destroy(); |
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| 71 | |
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| 72 | static struct clnt_ops client_ops = { |
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| 73 | clntraw_call, |
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| 74 | clntraw_abort, |
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| 75 | clntraw_geterr, |
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| 76 | clntraw_freeres, |
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| 77 | clntraw_destroy, |
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| 78 | clntraw_control |
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| 79 | }; |
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| 80 | |
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| 81 | void svc_getreq(); |
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| 82 | |
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| 83 | /* |
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| 84 | * Create a client handle for memory based rpc. |
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| 85 | */ |
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| 86 | CLIENT * |
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| 87 | clntraw_create(prog, vers) |
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| 88 | u_long prog; |
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| 89 | u_long vers; |
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| 90 | { |
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| 91 | register struct clnt_raw_private *clp = clntraw_private; |
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| 92 | struct rpc_msg call_msg; |
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| 93 | XDR *xdrs = &clp->xdr_stream; |
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| 94 | CLIENT *client = &clp->client_object; |
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| 95 | |
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| 96 | if (clp == 0) { |
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| 97 | clp = (struct clnt_raw_private *)calloc(1, sizeof (*clp)); |
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| 98 | if (clp == 0) |
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| 99 | return (0); |
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| 100 | clntraw_private = clp; |
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| 101 | } |
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| 102 | /* |
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| 103 | * pre-serialize the static part of the call msg and stash it away |
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| 104 | */ |
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| 105 | call_msg.rm_direction = CALL; |
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| 106 | call_msg.rm_call.cb_rpcvers = RPC_MSG_VERSION; |
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| 107 | call_msg.rm_call.cb_prog = prog; |
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| 108 | call_msg.rm_call.cb_vers = vers; |
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| 109 | xdrmem_create(xdrs, clp->mashl_callmsg, MCALL_MSG_SIZE, XDR_ENCODE); |
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| 110 | if (! xdr_callhdr(xdrs, &call_msg)) { |
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| 111 | perror("clnt_raw.c - Fatal header serialization error."); |
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| 112 | } |
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| 113 | clp->mcnt = XDR_GETPOS(xdrs); |
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| 114 | XDR_DESTROY(xdrs); |
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| 115 | |
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| 116 | /* |
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| 117 | * Set xdrmem for client/server shared buffer |
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| 118 | */ |
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| 119 | xdrmem_create(xdrs, clp->_raw_buf, UDPMSGSIZE, XDR_FREE); |
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| 120 | |
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| 121 | /* |
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| 122 | * create client handle |
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| 123 | */ |
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| 124 | client->cl_ops = &client_ops; |
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| 125 | client->cl_auth = authnone_create(); |
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| 126 | return (client); |
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| 127 | } |
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| 128 | |
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| 129 | static enum clnt_stat |
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| 130 | clntraw_call(h, proc, xargs, argsp, xresults, resultsp, timeout) |
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| 131 | CLIENT *h; |
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| 132 | u_long proc; |
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| 133 | xdrproc_t xargs; |
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| 134 | caddr_t argsp; |
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| 135 | xdrproc_t xresults; |
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| 136 | caddr_t resultsp; |
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| 137 | struct timeval timeout; |
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| 138 | { |
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| 139 | register struct clnt_raw_private *clp = clntraw_private; |
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| 140 | register XDR *xdrs = &clp->xdr_stream; |
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| 141 | struct rpc_msg msg; |
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| 142 | enum clnt_stat status; |
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| 143 | struct rpc_err error; |
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| 144 | |
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| 145 | if (clp == 0) |
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| 146 | return (RPC_FAILED); |
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| 147 | call_again: |
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| 148 | /* |
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| 149 | * send request |
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| 150 | */ |
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| 151 | xdrs->x_op = XDR_ENCODE; |
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| 152 | XDR_SETPOS(xdrs, 0); |
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| 153 | ((struct rpc_msg *)clp->mashl_callmsg)->rm_xid ++ ; |
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| 154 | if ((! XDR_PUTBYTES(xdrs, clp->mashl_callmsg, clp->mcnt)) || |
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| 155 | (! XDR_PUTLONG(xdrs, (long *)&proc)) || |
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| 156 | (! AUTH_MARSHALL(h->cl_auth, xdrs)) || |
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| 157 | (! (*xargs)(xdrs, argsp))) { |
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| 158 | return (RPC_CANTENCODEARGS); |
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| 159 | } |
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| 160 | (void)XDR_GETPOS(xdrs); /* called just to cause overhead */ |
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| 161 | |
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| 162 | /* |
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| 163 | * We have to call server input routine here because this is |
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| 164 | * all going on in one process. Yuk. |
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| 165 | */ |
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| 166 | svc_getreq(1); |
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| 167 | |
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| 168 | /* |
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| 169 | * get results |
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| 170 | */ |
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| 171 | xdrs->x_op = XDR_DECODE; |
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| 172 | XDR_SETPOS(xdrs, 0); |
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| 173 | msg.acpted_rply.ar_verf = _null_auth; |
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| 174 | msg.acpted_rply.ar_results.where = resultsp; |
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| 175 | msg.acpted_rply.ar_results.proc = xresults; |
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| 176 | if (! xdr_replymsg(xdrs, &msg)) |
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| 177 | return (RPC_CANTDECODERES); |
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| 178 | _seterr_reply(&msg, &error); |
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| 179 | status = error.re_status; |
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| 180 | |
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| 181 | if (status == RPC_SUCCESS) { |
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| 182 | if (! AUTH_VALIDATE(h->cl_auth, &msg.acpted_rply.ar_verf)) { |
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| 183 | status = RPC_AUTHERROR; |
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| 184 | } |
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| 185 | } /* end successful completion */ |
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| 186 | else { |
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| 187 | if (AUTH_REFRESH(h->cl_auth)) |
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| 188 | goto call_again; |
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| 189 | } /* end of unsuccessful completion */ |
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| 190 | |
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| 191 | if (status == RPC_SUCCESS) { |
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| 192 | if (! AUTH_VALIDATE(h->cl_auth, &msg.acpted_rply.ar_verf)) { |
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| 193 | status = RPC_AUTHERROR; |
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| 194 | } |
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| 195 | if (msg.acpted_rply.ar_verf.oa_base != NULL) { |
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| 196 | xdrs->x_op = XDR_FREE; |
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| 197 | (void)xdr_opaque_auth(xdrs, &(msg.acpted_rply.ar_verf)); |
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| 198 | } |
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| 199 | } |
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| 200 | |
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| 201 | return (status); |
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| 202 | } |
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| 203 | |
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| 204 | static void |
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| 205 | clntraw_geterr() |
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| 206 | { |
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| 207 | } |
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| 208 | |
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| 209 | |
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| 210 | static bool_t |
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| 211 | clntraw_freeres(cl, xdr_res, res_ptr) |
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| 212 | CLIENT *cl; |
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| 213 | xdrproc_t xdr_res; |
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| 214 | caddr_t res_ptr; |
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| 215 | { |
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| 216 | register struct clnt_raw_private *clp = clntraw_private; |
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| 217 | register XDR *xdrs = &clp->xdr_stream; |
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| 218 | bool_t rval; |
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| 219 | |
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| 220 | if (clp == 0) |
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| 221 | { |
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| 222 | rval = (bool_t) RPC_FAILED; |
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| 223 | return (rval); |
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| 224 | } |
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| 225 | xdrs->x_op = XDR_FREE; |
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| 226 | return ((*xdr_res)(xdrs, res_ptr)); |
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| 227 | } |
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| 228 | |
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| 229 | static void |
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| 230 | clntraw_abort() |
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| 231 | { |
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| 232 | } |
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| 233 | |
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| 234 | static bool_t |
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| 235 | clntraw_control() |
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| 236 | { |
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| 237 | return (FALSE); |
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| 238 | } |
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| 239 | |
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| 240 | static void |
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| 241 | clntraw_destroy() |
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| 242 | { |
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| 243 | } |
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