1/*
2 * svc_raw.c, This a toy for simple testing and timing.
3 * Interface to create an rpc client and server in the same UNIX process.
4 * This lets us simulate rpc and get rpc (round trip) overhead, without
5 * any interference from the kernel.
6 *
7 * Copyright (c) 2010, Oracle America, Inc.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions are
11 * met:
12 *
13 * * Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * * Redistributions in binary form must reproduce the above
16 * copyright notice, this list of conditions and the following
17 * disclaimer in the documentation and/or other materials
18 * provided with the distribution.
19 * * Neither the name of the "Oracle America, Inc." nor the names of its
20 * contributors may be used to endorse or promote products derived
21 * from this software without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
24 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
25 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
26 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
27 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
28 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
30 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
32 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
33 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
34 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35 */
36
37#include <rpc/rpc.h>
38#include <rpc/svc.h>
39#include <shlib-compat.h>
40
41/*
42 * This is the "network" that we will be moving data over
43 */
44struct svcraw_private_s
45 {
46 char _raw_buf[UDPMSGSIZE];
47 SVCXPRT server;
48 XDR xdr_stream;
49 char verf_body[MAX_AUTH_BYTES];
50 };
51#ifdef _RPC_THREAD_SAFE_
52#define svcraw_private RPC_THREAD_VARIABLE(svcraw_private_s)
53#else
54static struct svcraw_private_s *svcraw_private;
55#endif
56
57static bool_t svcraw_recv (SVCXPRT *, struct rpc_msg *);
58static enum xprt_stat svcraw_stat (SVCXPRT *);
59static bool_t svcraw_getargs (SVCXPRT *, xdrproc_t, caddr_t);
60static bool_t svcraw_reply (SVCXPRT *, struct rpc_msg *);
61static bool_t svcraw_freeargs (SVCXPRT *, xdrproc_t, caddr_t);
62static void svcraw_destroy (SVCXPRT *);
63
64static const struct xp_ops server_ops =
65{
66 svcraw_recv,
67 svcraw_stat,
68 svcraw_getargs,
69 svcraw_reply,
70 svcraw_freeargs,
71 svcraw_destroy
72};
73
74SVCXPRT *
75svcraw_create (void)
76{
77 struct svcraw_private_s *srp = svcraw_private;
78
79 if (srp == 0)
80 {
81 srp = (struct svcraw_private_s *) calloc (1, sizeof (*srp));
82 if (srp == 0)
83 return NULL;
84 }
85 srp->server.xp_sock = 0;
86 srp->server.xp_port = 0;
87 srp->server.xp_ops = (struct xp_ops *) &server_ops;
88 srp->server.xp_verf.oa_base = srp->verf_body;
89 xdrmem_create (&srp->xdr_stream, srp->_raw_buf, UDPMSGSIZE, XDR_FREE);
90 return &srp->server;
91}
92libc_hidden_nolink_sunrpc (svcraw_create, GLIBC_2_0)
93
94static enum xprt_stat
95svcraw_stat (SVCXPRT *xprt)
96{
97 return XPRT_IDLE;
98}
99
100static bool_t
101svcraw_recv (SVCXPRT *xprt, struct rpc_msg *msg)
102{
103 struct svcraw_private_s *srp = svcraw_private;
104 XDR *xdrs;
105
106 if (srp == 0)
107 return FALSE;
108 xdrs = &srp->xdr_stream;
109 xdrs->x_op = XDR_DECODE;
110 XDR_SETPOS (xdrs, 0);
111 if (!xdr_callmsg (xdrs, msg))
112 return FALSE;
113 return TRUE;
114}
115
116static bool_t
117svcraw_reply (SVCXPRT *xprt, struct rpc_msg *msg)
118{
119 struct svcraw_private_s *srp = svcraw_private;
120 XDR *xdrs;
121
122 if (srp == 0)
123 return FALSE;
124 xdrs = &srp->xdr_stream;
125 xdrs->x_op = XDR_ENCODE;
126 XDR_SETPOS (xdrs, 0);
127 if (!xdr_replymsg (xdrs, msg))
128 return FALSE;
129 (void) XDR_GETPOS (xdrs); /* called just for overhead */
130 return TRUE;
131}
132
133static bool_t
134svcraw_getargs (SVCXPRT *xprt, xdrproc_t xdr_args, caddr_t args_ptr)
135{
136 struct svcraw_private_s *srp = svcraw_private;
137
138 if (srp == 0)
139 return FALSE;
140 return (*xdr_args) (&srp->xdr_stream, args_ptr);
141}
142
143static bool_t
144svcraw_freeargs (SVCXPRT *xprt, xdrproc_t xdr_args, caddr_t args_ptr)
145{
146 struct svcraw_private_s *srp = svcraw_private;
147 XDR *xdrs;
148
149 if (srp == 0)
150 return FALSE;
151 xdrs = &srp->xdr_stream;
152 xdrs->x_op = XDR_FREE;
153 return (*xdr_args) (xdrs, args_ptr);
154}
155
156static void
157svcraw_destroy (SVCXPRT *xprt)
158{
159}
160