1 /* $OpenBSD: svc_raw.c,v 1.10 2010/09/01 14:43:34 millert Exp $ */ 2 3 /* 4 * Copyright (c) 2010, Oracle America, Inc. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions are 8 * met: 9 * 10 * * Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * * Redistributions in binary form must reproduce the above 13 * copyright notice, this list of conditions and the following 14 * disclaimer in the documentation and/or other materials 15 * provided with the distribution. 16 * * Neither the name of the "Oracle America, Inc." nor the names of its 17 * contributors may be used to endorse or promote products derived 18 * from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 24 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 25 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 27 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 30 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 /* 35 * svc_raw.c, This a toy for simple testing and timing. 36 * Interface to create an rpc client and server in the same UNIX process. 37 * This lets us similate rpc and get rpc (round trip) overhead, without 38 * any interference from the kernel. 39 */ 40 41 #include <stdlib.h> 42 #include <rpc/rpc.h> 43 44 45 /* 46 * This is the "network" that we will be moving data over 47 */ 48 static struct svcraw_private { 49 char _raw_buf[UDPMSGSIZE]; 50 SVCXPRT server; 51 XDR xdr_stream; 52 char verf_body[MAX_AUTH_BYTES]; 53 } *svcraw_private; 54 55 static bool_t svcraw_recv(SVCXPRT *xprt, struct rpc_msg *msg); 56 static enum xprt_stat svcraw_stat(SVCXPRT *xprt); 57 static bool_t svcraw_getargs(SVCXPRT *xprt, xdrproc_t xdr_args, 58 caddr_t args_ptr); 59 static bool_t svcraw_reply(SVCXPRT *xprt, struct rpc_msg *msg); 60 static bool_t svcraw_freeargs(SVCXPRT *xprt, xdrproc_t xdr_args, 61 caddr_t args_ptr); 62 static void svcraw_destroy(SVCXPRT *xprt); 63 64 static struct xp_ops server_ops = { 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 *srp = svcraw_private; 77 78 if (srp == NULL) { 79 srp = (struct svcraw_private *)calloc(1, sizeof (*srp)); 80 if (srp == NULL) 81 return (NULL); 82 } 83 srp->server.xp_sock = 0; 84 srp->server.xp_port = 0; 85 srp->server.xp_ops = &server_ops; 86 srp->server.xp_verf.oa_base = srp->verf_body; 87 xdrmem_create(&srp->xdr_stream, srp->_raw_buf, UDPMSGSIZE, XDR_FREE); 88 return (&srp->server); 89 } 90 91 /* ARGSUSED */ 92 static enum xprt_stat 93 svcraw_stat(SVCXPRT *xprt) 94 { 95 96 return (XPRT_IDLE); 97 } 98 99 /* ARGSUSED */ 100 static bool_t 101 svcraw_recv(SVCXPRT *xprt, struct rpc_msg *msg) 102 { 103 struct svcraw_private *srp = svcraw_private; 104 XDR *xdrs; 105 106 if (srp == NULL) 107 return (0); 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 } 115 116 /* ARGSUSED */ 117 static bool_t 118 svcraw_reply(SVCXPRT *xprt, struct rpc_msg *msg) 119 { 120 struct svcraw_private *srp = svcraw_private; 121 XDR *xdrs; 122 123 if (srp == NULL) 124 return (FALSE); 125 xdrs = &srp->xdr_stream; 126 xdrs->x_op = XDR_ENCODE; 127 XDR_SETPOS(xdrs, 0); 128 if (! xdr_replymsg(xdrs, msg)) 129 return (FALSE); 130 (void)XDR_GETPOS(xdrs); /* called just for overhead */ 131 return (TRUE); 132 } 133 134 /* ARGSUSED */ 135 static bool_t 136 svcraw_getargs(SVCXPRT *xprt, xdrproc_t xdr_args, caddr_t args_ptr) 137 { 138 struct svcraw_private *srp = svcraw_private; 139 140 if (srp == NULL) 141 return (FALSE); 142 return ((*xdr_args)(&srp->xdr_stream, args_ptr)); 143 } 144 145 /* ARGSUSED */ 146 static bool_t 147 svcraw_freeargs(SVCXPRT *xprt, xdrproc_t xdr_args, caddr_t args_ptr) 148 { 149 struct svcraw_private *srp = svcraw_private; 150 XDR *xdrs; 151 152 if (srp == NULL) 153 return (FALSE); 154 xdrs = &srp->xdr_stream; 155 xdrs->x_op = XDR_FREE; 156 return ((*xdr_args)(xdrs, args_ptr)); 157 } 158 159 /* ARGSUSED */ 160 static void 161 svcraw_destroy(SVCXPRT *xprt) 162 { 163 } 164