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 | |
40 | /* |
41 | * This is the "network" that we will be moving data over |
42 | */ |
43 | struct svcraw_private_s |
44 | { |
45 | char _raw_buf[UDPMSGSIZE]; |
46 | SVCXPRT server; |
47 | XDR xdr_stream; |
48 | char verf_body[MAX_AUTH_BYTES]; |
49 | }; |
50 | #ifdef _RPC_THREAD_SAFE_ |
51 | #define svcraw_private RPC_THREAD_VARIABLE(svcraw_private_s) |
52 | #else |
53 | static struct svcraw_private_s *svcraw_private; |
54 | #endif |
55 | |
56 | static bool_t svcraw_recv (SVCXPRT *, struct rpc_msg *); |
57 | static enum xprt_stat svcraw_stat (SVCXPRT *); |
58 | static bool_t svcraw_getargs (SVCXPRT *, xdrproc_t, caddr_t); |
59 | static bool_t svcraw_reply (SVCXPRT *, struct rpc_msg *); |
60 | static bool_t svcraw_freeargs (SVCXPRT *, xdrproc_t, caddr_t); |
61 | static void svcraw_destroy (SVCXPRT *); |
62 | |
63 | static const struct xp_ops server_ops = |
64 | { |
65 | svcraw_recv, |
66 | svcraw_stat, |
67 | svcraw_getargs, |
68 | svcraw_reply, |
69 | svcraw_freeargs, |
70 | svcraw_destroy |
71 | }; |
72 | |
73 | SVCXPRT * |
74 | svcraw_create (void) |
75 | { |
76 | struct svcraw_private_s *srp = svcraw_private; |
77 | |
78 | if (srp == 0) |
79 | { |
80 | srp = (struct svcraw_private_s *) calloc (1, sizeof (*srp)); |
81 | if (srp == 0) |
82 | return NULL; |
83 | } |
84 | srp->server.xp_sock = 0; |
85 | srp->server.xp_port = 0; |
86 | srp->server.xp_ops = (struct xp_ops *) &server_ops; |
87 | srp->server.xp_verf.oa_base = srp->verf_body; |
88 | xdrmem_create (&srp->xdr_stream, srp->_raw_buf, UDPMSGSIZE, XDR_FREE); |
89 | return &srp->server; |
90 | } |
91 | libc_hidden_nolink_sunrpc (svcraw_create, GLIBC_2_0) |
92 | |
93 | static enum xprt_stat |
94 | svcraw_stat (SVCXPRT *xprt) |
95 | { |
96 | return XPRT_IDLE; |
97 | } |
98 | |
99 | static bool_t |
100 | svcraw_recv (SVCXPRT *xprt, struct rpc_msg *msg) |
101 | { |
102 | struct svcraw_private_s *srp = svcraw_private; |
103 | XDR *xdrs; |
104 | |
105 | if (srp == 0) |
106 | return FALSE; |
107 | xdrs = &srp->xdr_stream; |
108 | xdrs->x_op = XDR_DECODE; |
109 | XDR_SETPOS (xdrs, 0); |
110 | if (!xdr_callmsg (xdrs, msg)) |
111 | return FALSE; |
112 | return TRUE; |
113 | } |
114 | |
115 | static bool_t |
116 | svcraw_reply (SVCXPRT *xprt, struct rpc_msg *msg) |
117 | { |
118 | struct svcraw_private_s *srp = svcraw_private; |
119 | XDR *xdrs; |
120 | |
121 | if (srp == 0) |
122 | return FALSE; |
123 | xdrs = &srp->xdr_stream; |
124 | xdrs->x_op = XDR_ENCODE; |
125 | XDR_SETPOS (xdrs, 0); |
126 | if (!xdr_replymsg (xdrs, msg)) |
127 | return FALSE; |
128 | (void) XDR_GETPOS (xdrs); /* called just for overhead */ |
129 | return TRUE; |
130 | } |
131 | |
132 | static bool_t |
133 | svcraw_getargs (SVCXPRT *xprt, xdrproc_t xdr_args, caddr_t args_ptr) |
134 | { |
135 | struct svcraw_private_s *srp = svcraw_private; |
136 | |
137 | if (srp == 0) |
138 | return FALSE; |
139 | return (*xdr_args) (&srp->xdr_stream, args_ptr); |
140 | } |
141 | |
142 | static bool_t |
143 | svcraw_freeargs (SVCXPRT *xprt, xdrproc_t xdr_args, caddr_t args_ptr) |
144 | { |
145 | struct svcraw_private_s *srp = svcraw_private; |
146 | XDR *xdrs; |
147 | |
148 | if (srp == 0) |
149 | return FALSE; |
150 | xdrs = &srp->xdr_stream; |
151 | xdrs->x_op = XDR_FREE; |
152 | return (*xdr_args) (xdrs, args_ptr); |
153 | } |
154 | |
155 | static void |
156 | svcraw_destroy (SVCXPRT *xprt) |
157 | { |
158 | } |
159 | |