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588 lines
18 KiB
C
588 lines
18 KiB
C
/* $NetBSD: clnt.h,v 1.14 2000/06/02 22:57:55 fvdl Exp $ */
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/*
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* Copyright (c) 2009, Sun Microsystems, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* - Neither the name of Sun Microsystems, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* from: @(#)clnt.h 1.31 94/04/29 SMI
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* from: @(#)clnt.h 2.1 88/07/29 4.0 RPCSRC
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* $FreeBSD: src/include/rpc/clnt.h,v 1.21 2003/01/24 01:47:55 fjoe Exp $
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*/
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/*
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* clnt.h - Client side remote procedure call interface.
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*
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* Copyright (c) 1986-1991,1994-1999 by Sun Microsystems, Inc.
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* All rights reserved.
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*/
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/* NFSv4.1 client for Windows
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* Copyright © 2012 The Regents of the University of Michigan
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*
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* Olga Kornievskaia <aglo@umich.edu>
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* Casey Bodley <cbodley@umich.edu>
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*
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* This library is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or (at
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* your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* without any warranty; without even the implied warranty of merchantability
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* or fitness for a particular purpose. See the GNU Lesser General Public
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* License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this library; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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*/
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#ifndef _TIRPC_CLNT_H_
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#define _TIRPC_CLNT_H_
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//#include <rpc/clnt_stat.h>
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#include "clnt_stat.h"
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#include <rpc/auth.h>
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//#include <sys/cdefs.h>
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//#include <netconfig.h>
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//#include <sys/un.h>
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/*
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* Well-known IPV6 RPC broadcast address.
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*/
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#define RPCB_MULTICAST_ADDR "ff02::202"
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/*
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* the following errors are in general unrecoverable. The caller
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* should give up rather than retry.
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*/
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#define IS_UNRECOVERABLE_RPC(s) (((s) == RPC_AUTHERROR) || \
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((s) == RPC_CANTENCODEARGS) || \
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((s) == RPC_CANTDECODERES) || \
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((s) == RPC_VERSMISMATCH) || \
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((s) == RPC_PROCUNAVAIL) || \
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((s) == RPC_PROGUNAVAIL) || \
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((s) == RPC_PROGVERSMISMATCH) || \
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((s) == RPC_CANTDECODEARGS))
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/*
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* Error info.
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*/
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struct rpc_err {
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enum clnt_stat re_status;
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union {
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int RE_errno; /* related system error */
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enum auth_stat RE_why; /* why the auth error occurred */
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struct {
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rpcvers_t low; /* lowest version supported */
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rpcvers_t high; /* highest version supported */
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} RE_vers;
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struct { /* maybe meaningful if RPC_FAILED */
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int32_t s1;
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int32_t s2;
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} RE_lb; /* life boot & debugging only */
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} ru;
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#define re_errno ru.RE_errno
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#define re_why ru.RE_why
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#define re_vers ru.RE_vers
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#define re_lb ru.RE_lb
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};
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/*
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* Client rpc handle.
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* Created by individual implementations
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* Client is responsible for initializing auth, see e.g. auth_none.c.
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*/
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typedef struct __rpc_client {
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AUTH *cl_auth; /* authenticator */
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struct clnt_ops {
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/* call remote procedure */
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enum clnt_stat (*cl_call)(struct __rpc_client *,
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rpcproc_t, xdrproc_t, void *, xdrproc_t,
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void *, struct timeval);
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/* abort a call */
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void (*cl_abort)(struct __rpc_client *);
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/* get specific error code */
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void (*cl_geterr)(struct __rpc_client *,
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struct rpc_err *);
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/* frees results */
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bool_t (*cl_freeres)(struct __rpc_client *,
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xdrproc_t, void *);
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/* destroy this structure */
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void (*cl_destroy)(struct __rpc_client *);
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/* the ioctl() of rpc */
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bool_t (*cl_control)(struct __rpc_client *, u_int,
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void *);
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} *cl_ops;
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void *cl_private; /* private stuff */
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char *cl_netid; /* network token */
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char *cl_tp; /* device name */
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HANDLE cb_thread;
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int (*cb_xdr)(void *, void *);
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int (*cb_fn)(void *, void *, void **);
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void *cb_args;
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bool_t shutdown;
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} CLIENT;
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typedef struct __cb_req {
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u_int32_t rq_prog;
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u_int32_t rq_vers;
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u_int32_t rq_proc;
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void *xdr;
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} cb_req;
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/*
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* Timers used for the pseudo-transport protocol when using datagrams
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*/
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struct rpc_timers {
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u_short rt_srtt; /* smoothed round-trip time */
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u_short rt_deviate; /* estimated deviation */
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u_long rt_rtxcur; /* current (backed-off) rto */
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};
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/*
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* Feedback values used for possible congestion and rate control
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*/
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#define FEEDBACK_REXMIT1 1 /* first retransmit */
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#define FEEDBACK_OK 2 /* no retransmits */
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/* Used to set version of portmapper used in broadcast */
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#define CLCR_SET_LOWVERS 3
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#define CLCR_GET_LOWVERS 4
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#define RPCSMALLMSGSIZE 400 /* a more reasonable packet size */
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/*
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* client side rpc interface ops
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*
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* Parameter types are:
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*
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*/
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/*
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* enum clnt_stat
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* CLNT_CALL(rh, proc, xargs, argsp, xres, resp, timeout)
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* CLIENT *rh;
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* rpcproc_t proc;
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* xdrproc_t xargs;
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* void *argsp;
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* xdrproc_t xres;
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* void *resp;
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* struct timeval timeout;
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*/
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#define CLNT_CALL(rh, proc, xargs, argsp, xres, resp, secs) \
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((*(rh)->cl_ops->cl_call)(rh, proc, xargs, \
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argsp, xres, resp, secs))
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#define clnt_call(rh, proc, xargs, argsp, xres, resp, secs) \
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((*(rh)->cl_ops->cl_call)(rh, proc, xargs, \
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argsp, xres, resp, secs))
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/*
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* void
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* CLNT_ABORT(rh);
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* CLIENT *rh;
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*/
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#define CLNT_ABORT(rh) ((*(rh)->cl_ops->cl_abort)(rh))
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#define clnt_abort(rh) ((*(rh)->cl_ops->cl_abort)(rh))
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/*
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* struct rpc_err
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* CLNT_GETERR(rh);
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* CLIENT *rh;
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*/
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#define CLNT_GETERR(rh,errp) ((*(rh)->cl_ops->cl_geterr)(rh, errp))
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#define clnt_geterr(rh,errp) ((*(rh)->cl_ops->cl_geterr)(rh, errp))
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/*
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* bool_t
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* CLNT_FREERES(rh, xres, resp);
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* CLIENT *rh;
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* xdrproc_t xres;
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* void *resp;
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*/
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#define CLNT_FREERES(rh,xres,resp) ((*(rh)->cl_ops->cl_freeres)(rh,xres,resp))
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#define clnt_freeres(rh,xres,resp) ((*(rh)->cl_ops->cl_freeres)(rh,xres,resp))
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/*
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* bool_t
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* CLNT_CONTROL(cl, request, info)
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* CLIENT *cl;
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* u_int request;
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* char *info;
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*/
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#define CLNT_CONTROL(cl,rq,in) ((*(cl)->cl_ops->cl_control)(cl,rq,in))
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#define clnt_control(cl,rq,in) ((*(cl)->cl_ops->cl_control)(cl,rq,in))
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/*
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* control operations that apply to both udp and tcp transports
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*/
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#define CLSET_TIMEOUT 1 /* set timeout (timeval) */
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#define CLGET_TIMEOUT 2 /* get timeout (timeval) */
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#define CLGET_SERVER_ADDR 3 /* get server's address (sockaddr) */
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#define CLGET_FD 6 /* get connections file descriptor */
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#define CLGET_SVC_ADDR 7 /* get server's address (netbuf) */
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#define CLSET_FD_CLOSE 8 /* close fd while clnt_destroy */
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#define CLSET_FD_NCLOSE 9 /* Do not close fd while clnt_destroy */
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#define CLGET_XID 10 /* Get xid */
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#define CLSET_XID 11 /* Set xid */
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#define CLGET_VERS 12 /* Get version number */
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#define CLSET_VERS 13 /* Set version number */
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#define CLGET_PROG 14 /* Get program number */
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#define CLSET_PROG 15 /* Set program number */
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#define CLSET_SVC_ADDR 16 /* get server's address (netbuf) */
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#define CLSET_PUSH_TIMOD 17 /* push timod if not already present */
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#define CLSET_POP_TIMOD 18 /* pop timod */
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/*
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* Connectionless only control operations
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*/
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#define CLSET_RETRY_TIMEOUT 4 /* set retry timeout (timeval) */
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#define CLGET_RETRY_TIMEOUT 5 /* get retry timeout (timeval) */
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#define CLSET_ASYNC 19
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#define CLSET_CONNECT 20 /* Use connect() for UDP. (int) */
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/*
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* void
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* CLNT_DESTROY(rh);
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* CLIENT *rh;
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*/
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#define CLNT_DESTROY(rh) ((*(rh)->cl_ops->cl_destroy)(rh))
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#define clnt_destroy(rh) ((*(rh)->cl_ops->cl_destroy)(rh))
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/*
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* RPCTEST is a test program which is accessible on every rpc
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* transport/port. It is used for testing, performance evaluation,
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* and network administration.
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*/
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#define RPCTEST_PROGRAM ((rpcprog_t)1)
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#define RPCTEST_VERSION ((rpcvers_t)1)
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#define RPCTEST_NULL_PROC ((rpcproc_t)2)
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#define RPCTEST_NULL_BATCH_PROC ((rpcproc_t)3)
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/*
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* By convention, procedure 0 takes null arguments and returns them
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*/
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#define NULLPROC ((rpcproc_t)0)
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/*
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* Below are the client handle creation routines for the various
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* implementations of client side rpc. They can return NULL if a
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* creation failure occurs.
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*/
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/*
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* Generic client creation routine. Supported protocols are those that
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* belong to the nettype namespace (/etc/netconfig).
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*/
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__BEGIN_DECLS
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extern CLIENT *clnt_create(const char *, const rpcprog_t, const rpcvers_t,
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const char *);
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/*
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*
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* const char *hostname; -- hostname
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* const rpcprog_t prog; -- program number
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* const rpcvers_t vers; -- version number
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* const char *nettype; -- network type
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*/
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/*
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* Generic client creation routine. Just like clnt_create(), except
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* it takes an additional timeout parameter.
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*/
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extern CLIENT * clnt_create_timed(const char *, const rpcprog_t,
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const rpcvers_t, const char *, const struct timeval *);
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/*
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*
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* const char *hostname; -- hostname
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* const rpcprog_t prog; -- program number
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* const rpcvers_t vers; -- version number
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* const char *nettype; -- network type
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* const struct timeval *tp; -- timeout
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*/
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/*
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* Generic client creation routine. Supported protocols are which belong
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* to the nettype name space.
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*/
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extern CLIENT *clnt_create_vers(const char *, const rpcprog_t, rpcvers_t *,
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const rpcvers_t, const rpcvers_t,
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const char *);
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/*
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* const char *host; -- hostname
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* const rpcprog_t prog; -- program number
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* rpcvers_t *vers_out; -- servers highest available version
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* const rpcvers_t vers_low; -- low version number
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* const rpcvers_t vers_high; -- high version number
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* const char *nettype; -- network type
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*/
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/*
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* Generic client creation routine. Supported protocols are which belong
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* to the nettype name space.
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*/
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extern CLIENT * clnt_create_vers_timed(const char *, const rpcprog_t,
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rpcvers_t *, const rpcvers_t, const rpcvers_t, const char *,
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const struct timeval *);
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/*
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* const char *host; -- hostname
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* const rpcprog_t prog; -- program number
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* rpcvers_t *vers_out; -- servers highest available version
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* const rpcvers_t vers_low; -- low version number
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* const rpcvers_t vers_high; -- high version number
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* const char *nettype; -- network type
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* const struct timeval *tp -- timeout
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*/
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/*
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* Generic client creation routine. It takes a netconfig structure
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* instead of nettype
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*/
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extern CLIENT *clnt_tp_create(const char *, const rpcprog_t,
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const rpcvers_t, const struct netconfig *);
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/*
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* const char *hostname; -- hostname
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* const rpcprog_t prog; -- program number
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* const rpcvers_t vers; -- version number
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* const struct netconfig *netconf; -- network config structure
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*/
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/*
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* Generic client creation routine. Just like clnt_tp_create(), except
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* it takes an additional timeout parameter.
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*/
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extern CLIENT * clnt_tp_create_timed(const char *, const rpcprog_t,
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const rpcvers_t, const struct netconfig *, const struct timeval *);
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/*
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* const char *hostname; -- hostname
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* const rpcprog_t prog; -- program number
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* const rpcvers_t vers; -- version number
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* const struct netconfig *netconf; -- network config structure
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* const struct timeval *tp -- timeout
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*/
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/*
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* Generic TLI create routine. Only provided for compatibility.
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*/
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extern CLIENT *clnt_tli_create(const SOCKET, const struct netconfig *,
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struct netbuf *, const rpcprog_t,
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const rpcvers_t, const u_int, const u_int,
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int (*cb_xdr)(void *, void *),
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int (*cb)(void *, void *, void **), void *args);
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/*
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* const register int fd; -- fd
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* const struct netconfig *nconf; -- netconfig structure
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* struct netbuf *svcaddr; -- servers address
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* const u_long prog; -- program number
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* const u_long vers; -- version number
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* const u_int sendsz; -- send size
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* const u_int recvsz; -- recv size
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*/
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/*
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* Low level clnt create routine for connectionful transports, e.g. tcp.
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*/
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#ifndef __REACTOS__
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extern CLIENT *clnt_vc_create(const SOCKET, const struct netbuf *,
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const rpcprog_t, const rpcvers_t,
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u_int, u_int, int (*cb_xdr)(void *, void *),
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int (*cb)(void *, void *, void **), void *args);
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#else
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extern CLIENT *clnt_vc_create(const int, const struct netbuf *,
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const rpcprog_t, const rpcvers_t,
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u_int, u_int, int (*cb_xdr)(void *, void *),
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int (*cb)(void *, void *, void **), void *args);
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#endif
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/*
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* Added for compatibility to old rpc 4.0. Obsoleted by clnt_vc_create().
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*/
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extern CLIENT *clntunix_create(struct sockaddr_un *,
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u_long, u_long, int *, u_int, u_int);
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/*
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* const int fd; -- open file descriptor
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* const struct netbuf *svcaddr; -- servers address
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* const rpcprog_t prog; -- program number
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* const rpcvers_t vers; -- version number
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* const u_int sendsz; -- buffer recv size
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* const u_int recvsz; -- buffer send size
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*/
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/*
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* Low level clnt create routine for connectionless transports, e.g. udp.
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*/
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extern CLIENT *clnt_dg_create(const SOCKET, const struct netbuf *,
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const rpcprog_t, const rpcvers_t,
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const u_int, const u_int);
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/*
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* const int fd; -- open file descriptor
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* const struct netbuf *svcaddr; -- servers address
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* const rpcprog_t program; -- program number
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* const rpcvers_t version; -- version number
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* const u_int sendsz; -- buffer recv size
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* const u_int recvsz; -- buffer send size
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*/
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/*
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* Memory based rpc (for speed check and testing)
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* CLIENT *
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* clnt_raw_create(prog, vers)
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* u_long prog;
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* u_long vers;
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*/
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extern CLIENT *clnt_raw_create(rpcprog_t, rpcvers_t);
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__END_DECLS
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/*
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* Print why creation failed
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*/
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__BEGIN_DECLS
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extern void clnt_pcreateerror(const char *); /* stderr */
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extern char *clnt_spcreateerror(const char *); /* string */
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__END_DECLS
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/*
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* Like clnt_perror(), but is more verbose in its output
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*/
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__BEGIN_DECLS
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extern void clnt_perrno(enum clnt_stat); /* stderr */
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extern char *clnt_sperrno(enum clnt_stat); /* string */
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__END_DECLS
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/*
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* Print an English error message, given the client error code
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*/
|
|
__BEGIN_DECLS
|
|
extern void clnt_perror(CLIENT *, const char *); /* stderr */
|
|
extern char *clnt_sperror(CLIENT *, const char *); /* string */
|
|
__END_DECLS
|
|
|
|
|
|
/*
|
|
* If a creation fails, the following allows the user to figure out why.
|
|
*/
|
|
struct rpc_createerr {
|
|
enum clnt_stat cf_stat;
|
|
struct rpc_err cf_error; /* useful when cf_stat == RPC_PMAPFAILURE */
|
|
};
|
|
|
|
__BEGIN_DECLS
|
|
extern struct rpc_createerr *__rpc_createerr(void);
|
|
__END_DECLS
|
|
#define get_rpc_createerr() (*(__rpc_createerr()))
|
|
#define rpc_createerr (*(__rpc_createerr()))
|
|
|
|
/*
|
|
* The simplified interface:
|
|
* enum clnt_stat
|
|
* rpc_call(host, prognum, versnum, procnum, inproc, in, outproc, out, nettype)
|
|
* const char *host;
|
|
* const rpcprog_t prognum;
|
|
* const rpcvers_t versnum;
|
|
* const rpcproc_t procnum;
|
|
* const xdrproc_t inproc, outproc;
|
|
* const char *in;
|
|
* char *out;
|
|
* const char *nettype;
|
|
*/
|
|
__BEGIN_DECLS
|
|
extern enum clnt_stat rpc_call(const char *, const rpcprog_t,
|
|
const rpcvers_t, const rpcproc_t,
|
|
const xdrproc_t, const char *,
|
|
const xdrproc_t, char *, const char *);
|
|
__END_DECLS
|
|
|
|
/*
|
|
* RPC broadcast interface
|
|
* The call is broadcasted to all locally connected nets.
|
|
*
|
|
* extern enum clnt_stat
|
|
* rpc_broadcast(prog, vers, proc, xargs, argsp, xresults, resultsp,
|
|
* eachresult, nettype)
|
|
* const rpcprog_t prog; -- program number
|
|
* const rpcvers_t vers; -- version number
|
|
* const rpcproc_t proc; -- procedure number
|
|
* const xdrproc_t xargs; -- xdr routine for args
|
|
* caddr_t argsp; -- pointer to args
|
|
* const xdrproc_t xresults; -- xdr routine for results
|
|
* caddr_t resultsp; -- pointer to results
|
|
* const resultproc_t eachresult; -- call with each result
|
|
* const char *nettype; -- Transport type
|
|
*
|
|
* For each valid response received, the procedure eachresult is called.
|
|
* Its form is:
|
|
* done = eachresult(resp, raddr, nconf)
|
|
* bool_t done;
|
|
* caddr_t resp;
|
|
* struct netbuf *raddr;
|
|
* struct netconfig *nconf;
|
|
* where resp points to the results of the call and raddr is the
|
|
* address if the responder to the broadcast. nconf is the transport
|
|
* on which the response was received.
|
|
*
|
|
* extern enum clnt_stat
|
|
* rpc_broadcast_exp(prog, vers, proc, xargs, argsp, xresults, resultsp,
|
|
* eachresult, inittime, waittime, nettype)
|
|
* const rpcprog_t prog; -- program number
|
|
* const rpcvers_t vers; -- version number
|
|
* const rpcproc_t proc; -- procedure number
|
|
* const xdrproc_t xargs; -- xdr routine for args
|
|
* caddr_t argsp; -- pointer to args
|
|
* const xdrproc_t xresults; -- xdr routine for results
|
|
* caddr_t resultsp; -- pointer to results
|
|
* const resultproc_t eachresult; -- call with each result
|
|
* const int inittime; -- how long to wait initially
|
|
* const int waittime; -- maximum time to wait
|
|
* const char *nettype; -- Transport type
|
|
*/
|
|
|
|
typedef bool_t (*resultproc_t)(caddr_t, ...);
|
|
|
|
__BEGIN_DECLS
|
|
extern enum clnt_stat rpc_broadcast(const rpcprog_t, const rpcvers_t,
|
|
const rpcproc_t, const xdrproc_t,
|
|
caddr_t, const xdrproc_t, caddr_t,
|
|
const resultproc_t, const char *);
|
|
extern enum clnt_stat rpc_broadcast_exp(const rpcprog_t, const rpcvers_t,
|
|
const rpcproc_t, const xdrproc_t,
|
|
caddr_t, const xdrproc_t, caddr_t,
|
|
const resultproc_t, const int,
|
|
const int, const char *);
|
|
__END_DECLS
|
|
|
|
/* For backward compatibility */
|
|
#include <rpc/clnt_soc.h>
|
|
|
|
#endif /* !_TIRPC_CLNT_H_ */
|