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1026 |
ivang |
/*
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* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
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* unrestricted use provided that this legend is included on all tape
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* media and as a part of the software program in whole or part. Users
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* may copy or modify Sun RPC without charge, but are not authorized
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* to license or distribute it to anyone else except as part of a product or
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* program developed by the user.
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*
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* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
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* WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
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*
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* Sun RPC is provided with no support and without any obligation on the
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* part of Sun Microsystems, Inc. to assist in its use, correction,
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* modification or enhancement.
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*
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* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
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* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
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* OR ANY PART THEREOF.
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*
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* In no event will Sun Microsystems, Inc. be liable for any lost revenue
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* or profits or other special, indirect and consequential damages, even if
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* Sun has been advised of the possibility of such damages.
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*
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* Sun Microsystems, Inc.
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* 2550 Garcia Avenue
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* Mountain View, California 94043
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*
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* from: @(#)clnt.h 1.31 88/02/08 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 1.11 1999/08/27 23:45:03 peter 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) 1984, Sun Microsystems, Inc.
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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 <sys/cdefs.h>
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#include <sys/un.h>
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/*
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* Rpc calls return an enum clnt_stat. This should be looked at more,
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* since each implementation is required to live with this (implementation
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* independent) list of errors.
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*/
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enum clnt_stat {
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RPC_SUCCESS=0, /* call succeeded */
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/*
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* local errors
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*/
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RPC_CANTENCODEARGS=1, /* can't encode arguments */
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RPC_CANTDECODERES=2, /* can't decode results */
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RPC_CANTSEND=3, /* failure in sending call */
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RPC_CANTRECV=4, /* failure in receiving result */
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RPC_TIMEDOUT=5, /* call timed out */
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/*
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* remote errors
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*/
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RPC_VERSMISMATCH=6, /* rpc versions not compatible */
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RPC_AUTHERROR=7, /* authentication error */
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RPC_PROGUNAVAIL=8, /* program not available */
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RPC_PROGVERSMISMATCH=9, /* program version mismatched */
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RPC_PROCUNAVAIL=10, /* procedure unavailable */
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RPC_CANTDECODEARGS=11, /* decode arguments error */
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RPC_SYSTEMERROR=12, /* generic "other problem" */
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/*
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* callrpc & clnt_create errors
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*/
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RPC_UNKNOWNHOST=13, /* unknown host name */
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RPC_UNKNOWNPROTO=17, /* unkown protocol */
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/*
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* _ create errors
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*/
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RPC_PMAPFAILURE=14, /* the pmapper failed in its call */
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RPC_PROGNOTREGISTERED=15, /* remote program is not registered */
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/*
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* unspecified error
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*/
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RPC_FAILED=16
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};
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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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u_int32_t low; /* lowest verion supported */
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u_int32_t high; /* highest verion 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, see e.g. rpc_udp.c.
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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) __P((struct __rpc_client *,
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u_long, xdrproc_t, caddr_t, xdrproc_t,
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caddr_t, struct timeval));
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/* abort a call */
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void (*cl_abort) __P((struct __rpc_client *));
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/* get specific error code */
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void (*cl_geterr) __P((struct __rpc_client *,
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struct rpc_err *));
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/* frees results */
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bool_t (*cl_freeres) __P((struct __rpc_client *,
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xdrproc_t, caddr_t));
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/* destroy this structure */
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void (*cl_destroy) __P((struct __rpc_client *));
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/* the ioctl() of rpc */
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bool_t (*cl_control) __P((struct __rpc_client *, u_int,
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void *));
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} *cl_ops;
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caddr_t cl_private; /* private stuff */
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} CLIENT;
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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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* u_long proc;
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* xdrproc_t xargs;
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* caddr_t argsp;
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* xdrproc_t xres;
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* caddr_t 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, (caddr_t)argsp, \
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xres, (caddr_t)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, (caddr_t)argsp, \
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xres, (caddr_t)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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* caddr_t 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 udp, tcp and unix transports
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*
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* Note: options marked XXX are no-ops in this implementation of RPC.
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* The are present in TI-RPC but can't be implemented here since they
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* depend on the presence of STREAMS/TLI, which we don't have.
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*
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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) XXX */
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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) XXX */
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#define CLSET_PUSH_TIMOD 17 /* push timod if not already present XXX */
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#define CLSET_POP_TIMOD 18 /* pop timod XXX */
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| 230 |
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/*
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| 231 |
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* udp only control operations
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*/
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| 233 |
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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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/*
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| 237 |
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* Operations which GSSAPI needs. (Bletch.)
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| 238 |
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*/
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| 239 |
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#define CLGET_LOCAL_ADDR 19 /* get local addr (sockaddr) */
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| 240 |
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| 241 |
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| 242 |
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/*
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| 243 |
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* void
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| 244 |
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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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| 249 |
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| 250 |
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| 251 |
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/*
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| 252 |
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* RPCTEST is a test program which is accessible on every rpc
|
| 253 |
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* transport/port. It is used for testing, performance evaluation,
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| 254 |
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* and network administration.
|
| 255 |
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*/
|
| 256 |
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| 257 |
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#define RPCTEST_PROGRAM ((u_long)1)
|
| 258 |
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#define RPCTEST_VERSION ((u_long)1)
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| 259 |
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#define RPCTEST_NULL_PROC ((u_long)2)
|
| 260 |
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#define RPCTEST_NULL_BATCH_PROC ((u_long)3)
|
| 261 |
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|
| 262 |
|
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/*
|
| 263 |
|
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* By convention, procedure 0 takes null arguments and returns them
|
| 264 |
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*/
|
| 265 |
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|
| 266 |
|
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#define NULLPROC ((u_long)0)
|
| 267 |
|
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|
| 268 |
|
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/*
|
| 269 |
|
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* Below are the client handle creation routines for the various
|
| 270 |
|
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* implementations of client side rpc. They can return NULL if a
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| 271 |
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* creation failure occurs.
|
| 272 |
|
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*/
|
| 273 |
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|
| 274 |
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/*
|
| 275 |
|
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* Memory based rpc (for speed check and testing)
|
| 276 |
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* CLIENT *
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| 277 |
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* clntraw_create(prog, vers)
|
| 278 |
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* u_long prog;
|
| 279 |
|
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* u_long vers;
|
| 280 |
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*/
|
| 281 |
|
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__BEGIN_DECLS
|
| 282 |
|
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extern CLIENT *clntraw_create __P((u_long, u_long));
|
| 283 |
|
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__END_DECLS
|
| 284 |
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|
| 285 |
|
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|
| 286 |
|
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/*
|
| 287 |
|
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* Generic client creation routine. Supported protocols are "udp", "tcp"
|
| 288 |
|
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* and "unix".
|
| 289 |
|
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* CLIENT *
|
| 290 |
|
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* clnt_create(host, prog, vers, prot);
|
| 291 |
|
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* char *host; -- hostname
|
| 292 |
|
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* u_long prog; -- program number
|
| 293 |
|
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* u_long vers; -- version number
|
| 294 |
|
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* char *prot; -- protocol
|
| 295 |
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*/
|
| 296 |
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__BEGIN_DECLS
|
| 297 |
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extern CLIENT *clnt_create __P((char *, u_long, u_long, char *));
|
| 298 |
|
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__END_DECLS
|
| 299 |
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|
| 300 |
|
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|
| 301 |
|
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/*
|
| 302 |
|
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* TCP based rpc
|
| 303 |
|
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* CLIENT *
|
| 304 |
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* clnttcp_create(raddr, prog, vers, sockp, sendsz, recvsz)
|
| 305 |
|
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* struct sockaddr_in *raddr;
|
| 306 |
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* u_long prog;
|
| 307 |
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* u_long version;
|
| 308 |
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* register int *sockp;
|
| 309 |
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* u_int sendsz;
|
| 310 |
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* u_int recvsz;
|
| 311 |
|
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*/
|
| 312 |
|
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__BEGIN_DECLS
|
| 313 |
|
|
extern CLIENT *clnttcp_create __P((struct sockaddr_in *,
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| 314 |
|
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u_long,
|
| 315 |
|
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u_long,
|
| 316 |
|
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int *,
|
| 317 |
|
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u_int,
|
| 318 |
|
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u_int));
|
| 319 |
|
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__END_DECLS
|
| 320 |
|
|
|
| 321 |
|
|
|
| 322 |
|
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/*
|
| 323 |
|
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* UDP based rpc.
|
| 324 |
|
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* CLIENT *
|
| 325 |
|
|
* clntudp_create(raddr, program, version, wait, sockp)
|
| 326 |
|
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* struct sockaddr_in *raddr;
|
| 327 |
|
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* u_long program;
|
| 328 |
|
|
* u_long version;
|
| 329 |
|
|
* struct timeval wait;
|
| 330 |
|
|
* int *sockp;
|
| 331 |
|
|
*
|
| 332 |
|
|
* Same as above, but you specify max packet sizes.
|
| 333 |
|
|
* CLIENT *
|
| 334 |
|
|
* clntudp_bufcreate(raddr, program, version, wait, sockp, sendsz, recvsz)
|
| 335 |
|
|
* struct sockaddr_in *raddr;
|
| 336 |
|
|
* u_long program;
|
| 337 |
|
|
* u_long version;
|
| 338 |
|
|
* struct timeval wait;
|
| 339 |
|
|
* int *sockp;
|
| 340 |
|
|
* u_int sendsz;
|
| 341 |
|
|
* u_int recvsz;
|
| 342 |
|
|
*/
|
| 343 |
|
|
__BEGIN_DECLS
|
| 344 |
|
|
extern CLIENT *clntudp_create __P((struct sockaddr_in *,
|
| 345 |
|
|
u_long,
|
| 346 |
|
|
u_long,
|
| 347 |
|
|
struct timeval,
|
| 348 |
|
|
int *));
|
| 349 |
|
|
extern CLIENT *clntudp_bufcreate __P((struct sockaddr_in *,
|
| 350 |
|
|
u_long,
|
| 351 |
|
|
u_long,
|
| 352 |
|
|
struct timeval,
|
| 353 |
|
|
int *,
|
| 354 |
|
|
u_int,
|
| 355 |
|
|
u_int));
|
| 356 |
|
|
__END_DECLS
|
| 357 |
|
|
|
| 358 |
|
|
|
| 359 |
|
|
/*
|
| 360 |
|
|
* AF_UNIX based rpc
|
| 361 |
|
|
* CLIENT *
|
| 362 |
|
|
* clntunix_create(raddr, prog, vers, sockp, sendsz, recvsz)
|
| 363 |
|
|
* struct sockaddr_un *raddr;
|
| 364 |
|
|
* u_long prog;
|
| 365 |
|
|
* u_long version;
|
| 366 |
|
|
* register int *sockp;
|
| 367 |
|
|
* u_int sendsz;
|
| 368 |
|
|
* u_int recvsz;
|
| 369 |
|
|
*/
|
| 370 |
|
|
__BEGIN_DECLS
|
| 371 |
|
|
extern CLIENT *clntunix_create __P((struct sockaddr_un *,
|
| 372 |
|
|
u_long,
|
| 373 |
|
|
u_long,
|
| 374 |
|
|
int *,
|
| 375 |
|
|
u_int,
|
| 376 |
|
|
u_int));
|
| 377 |
|
|
__END_DECLS
|
| 378 |
|
|
|
| 379 |
|
|
|
| 380 |
|
|
/*
|
| 381 |
|
|
* Print why creation failed
|
| 382 |
|
|
*/
|
| 383 |
|
|
__BEGIN_DECLS
|
| 384 |
|
|
extern void clnt_pcreateerror __P((char *)); /* stderr */
|
| 385 |
|
|
extern char *clnt_spcreateerror __P((char *)); /* string */
|
| 386 |
|
|
__END_DECLS
|
| 387 |
|
|
|
| 388 |
|
|
/*
|
| 389 |
|
|
* Like clnt_perror(), but is more verbose in its output
|
| 390 |
|
|
*/
|
| 391 |
|
|
__BEGIN_DECLS
|
| 392 |
|
|
extern void clnt_perrno __P((enum clnt_stat)); /* stderr */
|
| 393 |
|
|
extern char *clnt_sperrno __P((enum clnt_stat)); /* string */
|
| 394 |
|
|
__END_DECLS
|
| 395 |
|
|
|
| 396 |
|
|
/*
|
| 397 |
|
|
* Print an English error message, given the client error code
|
| 398 |
|
|
*/
|
| 399 |
|
|
__BEGIN_DECLS
|
| 400 |
|
|
extern void clnt_perror __P((CLIENT *, char *)); /* stderr */
|
| 401 |
|
|
extern char *clnt_sperror __P((CLIENT *, char *)); /* string */
|
| 402 |
|
|
__END_DECLS
|
| 403 |
|
|
|
| 404 |
|
|
|
| 405 |
|
|
/*
|
| 406 |
|
|
* If a creation fails, the following allows the user to figure out why.
|
| 407 |
|
|
*/
|
| 408 |
|
|
struct rpc_createerr {
|
| 409 |
|
|
enum clnt_stat cf_stat;
|
| 410 |
|
|
struct rpc_err cf_error; /* useful when cf_stat == RPC_PMAPFAILURE */
|
| 411 |
|
|
};
|
| 412 |
|
|
|
| 413 |
|
|
extern struct rpc_createerr rpc_createerr;
|
| 414 |
|
|
|
| 415 |
|
|
|
| 416 |
|
|
#define UDPMSGSIZE 8800 /* rpc imposed limit on udp msg size */
|
| 417 |
|
|
#define RPCSMALLMSGSIZE 400 /* a more reasonable packet size */
|
| 418 |
|
|
|
| 419 |
|
|
#endif /* !_RPC_CLNT_H */
|
