51369649b0
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717 lines
22 KiB
C
717 lines
22 KiB
C
/* $NetBSD: clnt.h,v 1.14 2000/06/02 22:57:55 fvdl Exp $ */
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/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 2010, Oracle America, 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 the "Oracle America, 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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* $FreeBSD$
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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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#ifndef _RPC_CLNT_H_
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#define _RPC_CLNT_H_
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#include <rpc/clnt_stat.h>
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#include <sys/cdefs.h>
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#ifdef _KERNEL
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#include <sys/refcount.h>
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#include <rpc/netconfig.h>
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#else
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#include <netconfig.h>
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#endif
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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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#ifdef _KERNEL
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/*
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* Functions of this type may be used to receive notification when RPC
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* calls have to be re-transmitted etc.
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*/
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typedef void rpc_feedback(int cmd, int procnum, void *);
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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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* A structure used with CLNT_CALL_EXT to pass extra information used
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* while processing an RPC call.
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*/
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struct rpc_callextra {
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AUTH *rc_auth; /* auth handle to use for this call */
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rpc_feedback *rc_feedback; /* callback for retransmits etc. */
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void *rc_feedback_arg; /* argument for callback */
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struct rpc_timers *rc_timers; /* optional RTT timers */
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struct rpc_err rc_err; /* detailed call status */
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};
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#endif
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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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#ifdef _KERNEL
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volatile u_int cl_refs; /* reference count */
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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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struct rpc_callextra *, rpcproc_t,
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struct mbuf *, struct mbuf **, 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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/* close the connection and terminate pending RPCs */
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void (*cl_close)(struct __rpc_client *);
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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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#else
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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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#endif
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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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} CLIENT;
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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_OK 1 /* no retransmits */
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#define FEEDBACK_REXMIT1 2 /* first retransmit */
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#define FEEDBACK_REXMIT2 3 /* second and subsequent retransmit */
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#define FEEDBACK_RECONNECT 4 /* client reconnect */
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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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#ifdef _KERNEL
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#define CLNT_ACQUIRE(rh) \
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refcount_acquire(&(rh)->cl_refs)
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#define CLNT_RELEASE(rh) \
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if (refcount_release(&(rh)->cl_refs)) \
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CLNT_DESTROY(rh)
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/*
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* void
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* CLNT_CLOSE(rh);
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* CLIENT *rh;
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*/
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#define CLNT_CLOSE(rh) ((*(rh)->cl_ops->cl_close)(rh))
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enum clnt_stat clnt_call_private(CLIENT *, struct rpc_callextra *, rpcproc_t,
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xdrproc_t, void *, xdrproc_t, void *, struct timeval);
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/*
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* enum clnt_stat
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* CLNT_CALL_MBUF(rh, ext, proc, mreq, mrepp, timeout)
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* CLIENT *rh;
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* struct rpc_callextra *ext;
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* rpcproc_t proc;
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* struct mbuf *mreq;
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* struct mbuf **mrepp;
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* struct timeval timeout;
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*
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* Call arguments in mreq which is consumed by the call (even if there
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* is an error). Results returned in *mrepp.
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*/
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#define CLNT_CALL_MBUF(rh, ext, proc, mreq, mrepp, secs) \
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((*(rh)->cl_ops->cl_call)(rh, ext, proc, mreq, mrepp, secs))
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/*
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* enum clnt_stat
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* CLNT_CALL_EXT(rh, ext, proc, xargs, argsp, xres, resp, timeout)
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* CLIENT *rh;
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* struct rpc_callextra *ext;
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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_EXT(rh, ext, proc, xargs, argsp, xres, resp, secs) \
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clnt_call_private(rh, ext, proc, xargs, \
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argsp, xres, resp, secs)
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#endif
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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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#ifdef _KERNEL
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#define CLNT_CALL(rh, proc, xargs, argsp, xres, resp, secs) \
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clnt_call_private(rh, NULL, 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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clnt_call_private(rh, NULL, proc, xargs, \
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argsp, xres, resp, secs)
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#else
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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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#endif
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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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#ifdef _KERNEL
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/*
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* Kernel control operations. The default msleep string is "rpcrecv",
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* and sleeps are non-interruptible by default.
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*/
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#define CLSET_WAITCHAN 21 /* set string to use in msleep call */
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#define CLGET_WAITCHAN 22 /* get string used in msleep call */
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#define CLSET_INTERRUPTIBLE 23 /* set interruptible flag */
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#define CLGET_INTERRUPTIBLE 24 /* set interruptible flag */
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#define CLSET_RETRIES 25 /* set retry count for reconnect */
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#define CLGET_RETRIES 26 /* get retry count for reconnect */
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#define CLSET_PRIVPORT 27 /* set privileged source port flag */
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#define CLGET_PRIVPORT 28 /* get privileged source port flag */
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#define CLSET_BACKCHANNEL 29 /* set backchannel for socket */
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#endif
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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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#ifdef _KERNEL
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/*
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* struct socket *so; -- socket
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* struct sockaddr *svcaddr; -- servers address
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* rpcprog_t prog; -- program number
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* rpcvers_t vers; -- version number
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* size_t sendsz; -- buffer recv size
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* size_t recvsz; -- buffer send size
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*/
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extern CLIENT *clnt_dg_create(struct socket *so,
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struct sockaddr *svcaddr, rpcprog_t program, rpcvers_t version,
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size_t sendsz, size_t recvsz);
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/*
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* struct socket *so; -- socket
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* struct sockaddr *svcaddr; -- servers address
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* rpcprog_t prog; -- program number
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* rpcvers_t vers; -- version number
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* size_t sendsz; -- buffer recv size
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* size_t recvsz; -- buffer send size
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* int intrflag; -- is it interruptible
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*/
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extern CLIENT *clnt_vc_create(struct socket *so,
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struct sockaddr *svcaddr, rpcprog_t program, rpcvers_t version,
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size_t sendsz, size_t recvsz, int intrflag);
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/*
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* struct netconfig *nconf; -- network type
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* struct sockaddr *svcaddr; -- servers address
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* rpcprog_t prog; -- program number
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* rpcvers_t vers; -- version number
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* size_t sendsz; -- buffer recv size
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* size_t recvsz; -- buffer send size
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*/
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extern CLIENT *clnt_reconnect_create(struct netconfig *nconf,
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struct sockaddr *svcaddr, rpcprog_t program, rpcvers_t version,
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size_t sendsz, size_t recvsz);
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#else
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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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/*
|
|
* const char *host; -- hostname
|
|
* const rpcprog_t prog; -- program number
|
|
* rpcvers_t *vers_out; -- servers highest available version
|
|
* const rpcvers_t vers_low; -- low version number
|
|
* const rpcvers_t vers_high; -- high version number
|
|
* const char *nettype; -- network type
|
|
*/
|
|
|
|
/*
|
|
* Generic client creation routine. Supported protocols are which belong
|
|
* to the nettype name space.
|
|
*/
|
|
extern CLIENT * clnt_create_vers_timed(const char *, const rpcprog_t,
|
|
rpcvers_t *, const rpcvers_t, const rpcvers_t, const char *,
|
|
const struct timeval *);
|
|
/*
|
|
* const char *host; -- hostname
|
|
* const rpcprog_t prog; -- program number
|
|
* rpcvers_t *vers_out; -- servers highest available version
|
|
* const rpcvers_t vers_low; -- low version number
|
|
* const rpcvers_t vers_high; -- high version number
|
|
* const char *nettype; -- network type
|
|
* const struct timeval *tp -- timeout
|
|
*/
|
|
|
|
/*
|
|
* Generic client creation routine. It takes a netconfig structure
|
|
* instead of nettype
|
|
*/
|
|
extern CLIENT *clnt_tp_create(const char *, const rpcprog_t,
|
|
const rpcvers_t, const struct netconfig *);
|
|
/*
|
|
* const char *hostname; -- hostname
|
|
* const rpcprog_t prog; -- program number
|
|
* const rpcvers_t vers; -- version number
|
|
* const struct netconfig *netconf; -- network config structure
|
|
*/
|
|
|
|
/*
|
|
* Generic client creation routine. Just like clnt_tp_create(), except
|
|
* it takes an additional timeout parameter.
|
|
*/
|
|
extern CLIENT * clnt_tp_create_timed(const char *, const rpcprog_t,
|
|
const rpcvers_t, const struct netconfig *, const struct timeval *);
|
|
/*
|
|
* const char *hostname; -- hostname
|
|
* const rpcprog_t prog; -- program number
|
|
* const rpcvers_t vers; -- version number
|
|
* const struct netconfig *netconf; -- network config structure
|
|
* const struct timeval *tp -- timeout
|
|
*/
|
|
|
|
/*
|
|
* Generic TLI create routine. Only provided for compatibility.
|
|
*/
|
|
|
|
extern CLIENT *clnt_tli_create(const int, const struct netconfig *,
|
|
struct netbuf *, const rpcprog_t,
|
|
const rpcvers_t, const u_int, const u_int);
|
|
/*
|
|
* const int fd; -- fd
|
|
* const struct netconfig *nconf; -- netconfig structure
|
|
* struct netbuf *svcaddr; -- servers address
|
|
* const u_long prog; -- program number
|
|
* const u_long vers; -- version number
|
|
* const u_int sendsz; -- send size
|
|
* const u_int recvsz; -- recv size
|
|
*/
|
|
|
|
/*
|
|
* Low level clnt create routine for connectionful transports, e.g. tcp.
|
|
*/
|
|
extern CLIENT *clnt_vc_create(const int, const struct netbuf *,
|
|
const rpcprog_t, const rpcvers_t,
|
|
u_int, u_int);
|
|
/*
|
|
* Added for compatibility to old rpc 4.0. Obsoleted by clnt_vc_create().
|
|
*/
|
|
extern CLIENT *clntunix_create(struct sockaddr_un *,
|
|
u_long, u_long, int *, u_int, u_int);
|
|
/*
|
|
* const int fd; -- open file descriptor
|
|
* const struct netbuf *svcaddr; -- servers address
|
|
* const rpcprog_t prog; -- program number
|
|
* const rpcvers_t vers; -- version number
|
|
* const u_int sendsz; -- buffer recv size
|
|
* const u_int recvsz; -- buffer send size
|
|
*/
|
|
|
|
/*
|
|
* Low level clnt create routine for connectionless transports, e.g. udp.
|
|
*/
|
|
extern CLIENT *clnt_dg_create(const int, const struct netbuf *,
|
|
const rpcprog_t, const rpcvers_t,
|
|
const u_int, const u_int);
|
|
/*
|
|
* const int fd; -- open file descriptor
|
|
* const struct netbuf *svcaddr; -- servers address
|
|
* const rpcprog_t program; -- program number
|
|
* const rpcvers_t version; -- version number
|
|
* const u_int sendsz; -- buffer recv size
|
|
* const u_int recvsz; -- buffer send size
|
|
*/
|
|
|
|
/*
|
|
* Memory based rpc (for speed check and testing)
|
|
* CLIENT *
|
|
* clnt_raw_create(prog, vers)
|
|
* u_long prog;
|
|
* u_long vers;
|
|
*/
|
|
extern CLIENT *clnt_raw_create(rpcprog_t, rpcvers_t);
|
|
#endif
|
|
|
|
__END_DECLS
|
|
|
|
|
|
/*
|
|
* Print why creation failed
|
|
*/
|
|
__BEGIN_DECLS
|
|
extern void clnt_pcreateerror(const char *); /* stderr */
|
|
extern char *clnt_spcreateerror(const char *); /* string */
|
|
__END_DECLS
|
|
|
|
/*
|
|
* Like clnt_perror(), but is more verbose in its output
|
|
*/
|
|
__BEGIN_DECLS
|
|
extern void clnt_perrno(enum clnt_stat); /* stderr */
|
|
extern char *clnt_sperrno(enum clnt_stat); /* string */
|
|
__END_DECLS
|
|
|
|
/*
|
|
* Print an English error message, given the client error code
|
|
*/
|
|
__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 */
|
|
};
|
|
|
|
#ifdef _KERNEL
|
|
extern struct rpc_createerr rpc_createerr;
|
|
#else
|
|
__BEGIN_DECLS
|
|
extern struct rpc_createerr *__rpc_createerr(void);
|
|
__END_DECLS
|
|
#define rpc_createerr (*(__rpc_createerr()))
|
|
#endif
|
|
|
|
#ifndef _KERNEL
|
|
/*
|
|
* 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
|
|
|
|
#endif /* !_RPC_CLNT_H_ */
|