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33 * Memory based rpc for simple testing and timing.
34 * Interface to create an rpc client and server in the same process.
35 * This lets us simulate rpc and get round trip overhead, without
36 * any interference from the kernel.
44 #define MCALL_MSG_SIZE 24
47 * This is the "network" we will be moving stuff over.
49 struct clntraw_private_s
53 char _raw_buf[UDPMSGSIZE];
56 char msg[MCALL_MSG_SIZE];
61 #ifdef _RPC_THREAD_SAFE_
62 #define clntraw_private RPC_THREAD_VARIABLE(clntraw_private_s)
64 static struct clntraw_private_s *clntraw_private;
67 static enum clnt_stat clntraw_call (CLIENT *, u_long, xdrproc_t, caddr_t,
68 xdrproc_t, caddr_t, struct timeval);
69 static void clntraw_abort (void);
70 static void clntraw_geterr (CLIENT *, struct rpc_err *);
71 static bool_t clntraw_freeres (CLIENT *, xdrproc_t, caddr_t);
72 static bool_t clntraw_control (CLIENT *, int, char *);
73 static void clntraw_destroy (CLIENT *);
75 static const struct clnt_ops client_ops =
86 * Create a client handle for memory based rpc.
89 clntraw_create (u_long prog, u_long vers)
91 struct clntraw_private_s *clp = clntraw_private;
92 struct rpc_msg call_msg;
98 clp = (struct clntraw_private_s *) calloc (1, sizeof (*clp));
101 clntraw_private = clp;
103 xdrs = &clp->xdr_stream;
104 client = &clp->client_object;
106 * pre-serialize the static part of the call msg and stash it away
108 call_msg.rm_direction = CALL;
109 call_msg.rm_call.cb_rpcvers = RPC_MSG_VERSION;
110 call_msg.rm_call.cb_prog = prog;
111 call_msg.rm_call.cb_vers = vers;
112 xdrmem_create (xdrs, clp->mashl_callmsg.msg, MCALL_MSG_SIZE, XDR_ENCODE);
113 if (!xdr_callhdr (xdrs, &call_msg))
115 perror (_ ("clnt_raw.c: fatal header serialization error"));
117 clp->mcnt = XDR_GETPOS (xdrs);
121 * Set xdrmem for client/server shared buffer
123 xdrmem_create (xdrs, clp->_raw_buf, UDPMSGSIZE, XDR_FREE);
126 * create client handle
128 client->cl_ops = (struct clnt_ops *) &client_ops;
129 client->cl_auth = authnone_create ();
132 libc_hidden_nolink_sunrpc (clntraw_create, GLIBC_2_0)
134 static enum clnt_stat
135 clntraw_call (h, proc, xargs, argsp, xresults, resultsp, timeout)
142 struct timeval timeout;
144 struct clntraw_private_s *clp = clntraw_private;
145 XDR *xdrs = &clp->xdr_stream;
147 enum clnt_stat status;
148 struct rpc_err error;
156 xdrs->x_op = XDR_ENCODE;
157 XDR_SETPOS (xdrs, 0);
158 /* Just checking the union definition to access rm_xid is correct. */
159 if (offsetof (struct rpc_msg, rm_xid) != 0)
161 clp->mashl_callmsg.rm_xid++;
162 if ((!XDR_PUTBYTES (xdrs, clp->mashl_callmsg.msg, clp->mcnt)) ||
163 (!XDR_PUTLONG (xdrs, (long *) &proc)) ||
164 (!AUTH_MARSHALL (h->cl_auth, xdrs)) ||
165 (!(*xargs) (xdrs, argsp)))
167 return (RPC_CANTENCODEARGS);
169 (void) XDR_GETPOS (xdrs); /* called just to cause overhead */
172 * We have to call server input routine here because this is
173 * all going on in one process. Yuk.
180 xdrs->x_op = XDR_DECODE;
181 XDR_SETPOS (xdrs, 0);
182 msg.acpted_rply.ar_verf = _null_auth;
183 msg.acpted_rply.ar_results.where = resultsp;
184 msg.acpted_rply.ar_results.proc = xresults;
185 if (!xdr_replymsg (xdrs, &msg))
186 return RPC_CANTDECODERES;
187 _seterr_reply (&msg, &error);
188 status = error.re_status;
190 if (status == RPC_SUCCESS)
192 if (!AUTH_VALIDATE (h->cl_auth, &msg.acpted_rply.ar_verf))
194 status = RPC_AUTHERROR;
196 } /* end successful completion */
199 if (AUTH_REFRESH (h->cl_auth))
201 } /* end of unsuccessful completion */
203 if (status == RPC_SUCCESS)
205 if (!AUTH_VALIDATE (h->cl_auth, &msg.acpted_rply.ar_verf))
207 status = RPC_AUTHERROR;
209 if (msg.acpted_rply.ar_verf.oa_base != NULL)
211 xdrs->x_op = XDR_FREE;
212 (void) xdr_opaque_auth (xdrs, &(msg.acpted_rply.ar_verf));
220 clntraw_geterr (CLIENT *cl, struct rpc_err *err)
226 clntraw_freeres (CLIENT *cl, xdrproc_t xdr_res, caddr_t res_ptr)
228 struct clntraw_private_s *clp = clntraw_private;
229 XDR *xdrs = &clp->xdr_stream;
234 rval = (bool_t) RPC_FAILED;
237 xdrs->x_op = XDR_FREE;
238 return (*xdr_res) (xdrs, res_ptr);
247 clntraw_control (CLIENT *cl, int i, char *c)
253 clntraw_destroy (CLIENT *cl)