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15637ed4 RG |
1 | /* @(#)clnt_raw.c 2.2 88/08/01 4.0 RPCSRC */ |
2 | /* | |
3 | * Sun RPC is a product of Sun Microsystems, Inc. and is provided for | |
4 | * unrestricted use provided that this legend is included on all tape | |
5 | * media and as a part of the software program in whole or part. Users | |
6 | * may copy or modify Sun RPC without charge, but are not authorized | |
7 | * to license or distribute it to anyone else except as part of a product or | |
8 | * program developed by the user. | |
9 | * | |
10 | * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE | |
11 | * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR | |
12 | * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. | |
13 | * | |
14 | * Sun RPC is provided with no support and without any obligation on the | |
15 | * part of Sun Microsystems, Inc. to assist in its use, correction, | |
16 | * modification or enhancement. | |
17 | * | |
18 | * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE | |
19 | * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC | |
20 | * OR ANY PART THEREOF. | |
21 | * | |
22 | * In no event will Sun Microsystems, Inc. be liable for any lost revenue | |
23 | * or profits or other special, indirect and consequential damages, even if | |
24 | * Sun has been advised of the possibility of such damages. | |
25 | * | |
26 | * Sun Microsystems, Inc. | |
27 | * 2550 Garcia Avenue | |
28 | * Mountain View, California 94043 | |
29 | */ | |
30 | #if !defined(lint) && defined(SCCSIDS) | |
31 | static char sccsid[] = "@(#)clnt_raw.c 1.22 87/08/11 Copyr 1984 Sun Micro"; | |
32 | #endif | |
33 | ||
34 | /* | |
35 | * clnt_raw.c | |
36 | * | |
37 | * Copyright (C) 1984, Sun Microsystems, Inc. | |
38 | * | |
39 | * Memory based rpc for simple testing and timing. | |
40 | * Interface to create an rpc client and server in the same process. | |
41 | * This lets us similate rpc and get round trip overhead, without | |
42 | * any interference from the kernal. | |
43 | */ | |
44 | ||
45 | #include <rpc/rpc.h> | |
46 | ||
47 | #define MCALL_MSG_SIZE 24 | |
48 | ||
49 | /* | |
50 | * This is the "network" we will be moving stuff over. | |
51 | */ | |
52 | static struct clntraw_private { | |
53 | CLIENT client_object; | |
54 | XDR xdr_stream; | |
55 | char _raw_buf[UDPMSGSIZE]; | |
56 | char mashl_callmsg[MCALL_MSG_SIZE]; | |
57 | u_int mcnt; | |
58 | } *clntraw_private; | |
59 | ||
60 | static enum clnt_stat clntraw_call(); | |
61 | static void clntraw_abort(); | |
62 | static void clntraw_geterr(); | |
63 | static bool_t clntraw_freeres(); | |
64 | static bool_t clntraw_control(); | |
65 | static void clntraw_destroy(); | |
66 | ||
67 | static struct clnt_ops client_ops = { | |
68 | clntraw_call, | |
69 | clntraw_abort, | |
70 | clntraw_geterr, | |
71 | clntraw_freeres, | |
72 | clntraw_destroy, | |
73 | clntraw_control | |
74 | }; | |
75 | ||
76 | void svc_getreq(); | |
77 | ||
78 | /* | |
79 | * Create a client handle for memory based rpc. | |
80 | */ | |
81 | CLIENT * | |
82 | clntraw_create(prog, vers) | |
83 | u_long prog; | |
84 | u_long vers; | |
85 | { | |
86 | register struct clntraw_private *clp = clntraw_private; | |
87 | struct rpc_msg call_msg; | |
88 | XDR *xdrs = &clp->xdr_stream; | |
89 | CLIENT *client = &clp->client_object; | |
90 | ||
91 | if (clp == 0) { | |
92 | clp = (struct clntraw_private *)calloc(1, sizeof (*clp)); | |
93 | if (clp == 0) | |
94 | return (0); | |
95 | clntraw_private = clp; | |
96 | } | |
97 | /* | |
98 | * pre-serialize the staic part of the call msg and stash it away | |
99 | */ | |
100 | call_msg.rm_direction = CALL; | |
101 | call_msg.rm_call.cb_rpcvers = RPC_MSG_VERSION; | |
102 | call_msg.rm_call.cb_prog = prog; | |
103 | call_msg.rm_call.cb_vers = vers; | |
104 | xdrmem_create(xdrs, clp->mashl_callmsg, MCALL_MSG_SIZE, XDR_ENCODE); | |
105 | if (! xdr_callhdr(xdrs, &call_msg)) { | |
106 | perror("clnt_raw.c - Fatal header serialization error."); | |
107 | } | |
108 | clp->mcnt = XDR_GETPOS(xdrs); | |
109 | XDR_DESTROY(xdrs); | |
110 | ||
111 | /* | |
112 | * Set xdrmem for client/server shared buffer | |
113 | */ | |
114 | xdrmem_create(xdrs, clp->_raw_buf, UDPMSGSIZE, XDR_FREE); | |
115 | ||
116 | /* | |
117 | * create client handle | |
118 | */ | |
119 | client->cl_ops = &client_ops; | |
120 | client->cl_auth = authnone_create(); | |
121 | return (client); | |
122 | } | |
123 | ||
124 | static enum clnt_stat | |
125 | clntraw_call(h, proc, xargs, argsp, xresults, resultsp, timeout) | |
126 | CLIENT *h; | |
127 | u_long proc; | |
128 | xdrproc_t xargs; | |
129 | caddr_t argsp; | |
130 | xdrproc_t xresults; | |
131 | caddr_t resultsp; | |
132 | struct timeval timeout; | |
133 | { | |
134 | register struct clntraw_private *clp = clntraw_private; | |
135 | register XDR *xdrs = &clp->xdr_stream; | |
136 | struct rpc_msg msg; | |
137 | enum clnt_stat status; | |
138 | struct rpc_err error; | |
139 | ||
140 | if (clp == 0) | |
141 | return (RPC_FAILED); | |
142 | call_again: | |
143 | /* | |
144 | * send request | |
145 | */ | |
146 | xdrs->x_op = XDR_ENCODE; | |
147 | XDR_SETPOS(xdrs, 0); | |
148 | ((struct rpc_msg *)clp->mashl_callmsg)->rm_xid ++ ; | |
149 | if ((! XDR_PUTBYTES(xdrs, clp->mashl_callmsg, clp->mcnt)) || | |
150 | (! XDR_PUTLONG(xdrs, (long *)&proc)) || | |
151 | (! AUTH_MARSHALL(h->cl_auth, xdrs)) || | |
152 | (! (*xargs)(xdrs, argsp))) { | |
153 | return (RPC_CANTENCODEARGS); | |
154 | } | |
155 | (void)XDR_GETPOS(xdrs); /* called just to cause overhead */ | |
156 | ||
157 | /* | |
158 | * We have to call server input routine here because this is | |
159 | * all going on in one process. Yuk. | |
160 | */ | |
161 | svc_getreq(1); | |
162 | ||
163 | /* | |
164 | * get results | |
165 | */ | |
166 | xdrs->x_op = XDR_DECODE; | |
167 | XDR_SETPOS(xdrs, 0); | |
168 | msg.acpted_rply.ar_verf = _null_auth; | |
169 | msg.acpted_rply.ar_results.where = resultsp; | |
170 | msg.acpted_rply.ar_results.proc = xresults; | |
171 | if (! xdr_replymsg(xdrs, &msg)) | |
172 | return (RPC_CANTDECODERES); | |
173 | _seterr_reply(&msg, &error); | |
174 | status = error.re_status; | |
175 | ||
176 | if (status == RPC_SUCCESS) { | |
177 | if (! AUTH_VALIDATE(h->cl_auth, &msg.acpted_rply.ar_verf)) { | |
178 | status = RPC_AUTHERROR; | |
179 | } | |
180 | } /* end successful completion */ | |
181 | else { | |
182 | if (AUTH_REFRESH(h->cl_auth)) | |
183 | goto call_again; | |
184 | } /* end of unsuccessful completion */ | |
185 | ||
186 | if (status == RPC_SUCCESS) { | |
187 | if (! AUTH_VALIDATE(h->cl_auth, &msg.acpted_rply.ar_verf)) { | |
188 | status = RPC_AUTHERROR; | |
189 | } | |
190 | if (msg.acpted_rply.ar_verf.oa_base != NULL) { | |
191 | xdrs->x_op = XDR_FREE; | |
192 | (void)xdr_opaque_auth(xdrs, &(msg.acpted_rply.ar_verf)); | |
193 | } | |
194 | } | |
195 | ||
196 | return (status); | |
197 | } | |
198 | ||
199 | static void | |
200 | clntraw_geterr() | |
201 | { | |
202 | } | |
203 | ||
204 | ||
205 | static bool_t | |
206 | clntraw_freeres(cl, xdr_res, res_ptr) | |
207 | CLIENT *cl; | |
208 | xdrproc_t xdr_res; | |
209 | caddr_t res_ptr; | |
210 | { | |
211 | register struct clntraw_private *clp = clntraw_private; | |
212 | register XDR *xdrs = &clp->xdr_stream; | |
213 | bool_t rval; | |
214 | ||
215 | if (clp == 0) | |
216 | { | |
217 | rval = (bool_t) RPC_FAILED; | |
218 | return (rval); | |
219 | } | |
220 | xdrs->x_op = XDR_FREE; | |
221 | return ((*xdr_res)(xdrs, res_ptr)); | |
222 | } | |
223 | ||
224 | static void | |
225 | clntraw_abort() | |
226 | { | |
227 | } | |
228 | ||
229 | static bool_t | |
230 | clntraw_control() | |
231 | { | |
232 | return (FALSE); | |
233 | } | |
234 | ||
235 | static void | |
236 | clntraw_destroy() | |
237 | { | |
238 | } |