/* $NetBSD: svc_raw.c,v 1.26 2024/01/23 17:24:38 christos Exp $ */ /* * Copyright (c) 2010, Oracle America, Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are * met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above * copyright notice, this list of conditions and the following * disclaimer in the documentation and/or other materials * provided with the distribution. * * Neither the name of the "Oracle America, Inc." nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ /* * Copyright (c) 1986-1991 by Sun Microsystems Inc. */ /* #ident "@(#)svc_raw.c 1.16 94/04/24 SMI" */ #include #if defined(LIBC_SCCS) && !defined(lint) #if 0 static char sccsid[] = "@(#)svc_raw.c 1.25 89/01/31 Copyr 1984 Sun Micro"; #else __RCSID("$NetBSD: svc_raw.c,v 1.26 2024/01/23 17:24:38 christos Exp $"); #endif #endif /* * svc_raw.c, This a toy for simple testing and timing. * Interface to create an rpc client and server in the same UNIX process. * This lets us similate rpc and get rpc (round trip) overhead, without * any interference from the kernel. * */ #include "namespace.h" #include "reentrant.h" #include #include #include #include #include #include "rpc_internal.h" #ifdef __weak_alias __weak_alias(svc_raw_create,_svc_raw_create) #endif #ifndef UDPMSGSIZE #define UDPMSGSIZE 8800 #endif /* * This is the "network" that we will be moving data over */ static struct svc_raw_private { char *raw_buf; /* should be shared with the cl handle */ SVCXPRT server; XDR xdr_stream; char verf_body[MAX_AUTH_BYTES]; } *svc_raw_private; static enum xprt_stat svc_raw_stat(SVCXPRT *); static bool_t svc_raw_recv(SVCXPRT *, struct rpc_msg *); static bool_t svc_raw_reply(SVCXPRT *, struct rpc_msg *); static bool_t svc_raw_getargs(SVCXPRT *, xdrproc_t, caddr_t); static bool_t svc_raw_freeargs(SVCXPRT *, xdrproc_t, caddr_t); static void svc_raw_destroy(SVCXPRT *); static void svc_raw_ops(SVCXPRT *); static bool_t svc_raw_control(SVCXPRT *, const u_int, void *); char *__rpc_rawcombuf = NULL; SVCXPRT * svc_raw_create(void) { struct svc_raw_private *srp; /* VARIABLES PROTECTED BY svcraw_lock: svc_raw_private, srp */ mutex_lock(&svcraw_lock); srp = svc_raw_private; if (srp == NULL) { srp = calloc(1, sizeof(*srp)); if (srp == NULL) goto out; if (__rpc_rawcombuf == NULL) __rpc_rawcombuf = malloc(UDPMSGSIZE); if (__rpc_rawcombuf == NULL) goto out; srp->raw_buf = __rpc_rawcombuf; /* Share it with the client */ svc_raw_private = srp; } srp->server.xp_fd = -1; srp->server.xp_port = 0; srp->server.xp_p3 = NULL; svc_raw_ops(&srp->server); srp->server.xp_verf.oa_base = srp->verf_body; xdrmem_create(&srp->xdr_stream, srp->raw_buf, UDPMSGSIZE, XDR_DECODE); if (!xprt_register(&srp->server)) goto out; mutex_unlock(&svcraw_lock); return (&srp->server); out: if (srp != NULL) free(srp); mutex_unlock(&svcraw_lock); return (NULL); } /*ARGSUSED*/ static enum xprt_stat svc_raw_stat(SVCXPRT *xprt) /* args needed to satisfy ANSI-C typechecking */ { return (XPRT_IDLE); } /*ARGSUSED*/ static bool_t svc_raw_recv(SVCXPRT *xprt, struct rpc_msg *msg) { struct svc_raw_private *srp; XDR *xdrs; mutex_lock(&svcraw_lock); srp = svc_raw_private; if (srp == NULL) { mutex_unlock(&svcraw_lock); return (FALSE); } mutex_unlock(&svcraw_lock); xdrs = &srp->xdr_stream; xdrs->x_op = XDR_DECODE; (void) XDR_SETPOS(xdrs, 0); if (! xdr_callmsg(xdrs, msg)) { return (FALSE); } return (TRUE); } /*ARGSUSED*/ static bool_t svc_raw_reply(SVCXPRT *xprt, struct rpc_msg *msg) { struct svc_raw_private *srp; XDR *xdrs; mutex_lock(&svcraw_lock); srp = svc_raw_private; if (srp == NULL) { mutex_unlock(&svcraw_lock); return (FALSE); } mutex_unlock(&svcraw_lock); xdrs = &srp->xdr_stream; xdrs->x_op = XDR_ENCODE; (void) XDR_SETPOS(xdrs, 0); if (! xdr_replymsg(xdrs, msg)) { return (FALSE); } (void) XDR_GETPOS(xdrs); /* called just for overhead */ return (TRUE); } /*ARGSUSED*/ static bool_t svc_raw_getargs(SVCXPRT *xprt, xdrproc_t xdr_args, caddr_t args_ptr) { struct svc_raw_private *srp; mutex_lock(&svcraw_lock); srp = svc_raw_private; if (srp == NULL) { mutex_unlock(&svcraw_lock); return (FALSE); } mutex_unlock(&svcraw_lock); return (*xdr_args)(&srp->xdr_stream, args_ptr); } /*ARGSUSED*/ static bool_t svc_raw_freeargs(SVCXPRT *xprt, xdrproc_t xdr_args, caddr_t args_ptr) { struct svc_raw_private *srp; XDR *xdrs; mutex_lock(&svcraw_lock); srp = svc_raw_private; if (srp == NULL) { mutex_unlock(&svcraw_lock); return (FALSE); } mutex_unlock(&svcraw_lock); xdrs = &srp->xdr_stream; xdrs->x_op = XDR_FREE; return (*xdr_args)(xdrs, args_ptr); } /*ARGSUSED*/ static void svc_raw_destroy(SVCXPRT *xprt) { } /*ARGSUSED*/ static bool_t svc_raw_control(SVCXPRT *xprt, const u_int rq, void *in) { return (FALSE); } static void svc_raw_ops(SVCXPRT *xprt) { static struct xp_ops ops; static struct xp_ops2 ops2; _DIAGASSERT(xprt != NULL); /* VARIABLES PROTECTED BY ops_lock: ops */ mutex_lock(&ops_lock); if (ops.xp_recv == NULL) { ops.xp_recv = svc_raw_recv; ops.xp_stat = svc_raw_stat; ops.xp_getargs = svc_raw_getargs; ops.xp_reply = svc_raw_reply; ops.xp_freeargs = svc_raw_freeargs; ops.xp_destroy = svc_raw_destroy; ops2.xp_control = svc_raw_control; } xprt->xp_ops = &ops; xprt->xp_ops2 = &ops2; mutex_unlock(&ops_lock); }