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darling-Libinfo/rpc.subproj/clnt.h
Thomas A 2da2f971cf Add Libinfo Code From Darling Repo 
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2022-12-06 18:58:48 -08:00

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/*
* Copyright (c) 1999-2018 Apple Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
* Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
* Reserved. This file contains Original Code and/or Modifications of
* Original Code as defined in and that are subject to the Apple Public
* Source License Version 1.1 (the "License"). You may not use this file
* except in compliance with the License. Please obtain a copy of the
* License at http://www.apple.com/publicsource and read it before using
* this file.
*
* The Original Code and all software distributed under the License are
* distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE OR NON- INFRINGEMENT. Please see the
* License for the specific language governing rights and limitations
* under the License.
*
* @APPLE_LICENSE_HEADER_END@
*/
/*
* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
* unrestricted use provided that this legend is included on all tape
* media and as a part of the software program in whole or part. Users
* may copy or modify Sun RPC without charge, but are not authorized
* to license or distribute it to anyone else except as part of a product or
* program developed by the user.
*
* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
*
* Sun RPC is provided with no support and without any obligation on the
* part of Sun Microsystems, Inc. to assist in its use, correction,
* modification or enhancement.
*
* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
* OR ANY PART THEREOF.
*
* In no event will Sun Microsystems, Inc. be liable for any lost revenue
* or profits or other special, indirect and consequential damages, even if
* Sun has been advised of the possibility of such damages.
*
* Sun Microsystems, Inc.
* 2550 Garcia Avenue
* Mountain View, California 94043
*
* from: @(#)clnt.h 1.31 88/02/08 SMI
* from: @(#)clnt.h 2.1 88/07/29 4.0 RPCSRC
* $Id: clnt.h,v 1.4 2004/10/28 21:58:22 emoy Exp $
*/
/*
* clnt.h - Client side remote procedure call interface.
*
* Copyright (C) 1984, Sun Microsystems, Inc.
*/
#ifndef _RPC_CLNT_H_
#define _RPC_CLNT_H_
#include <rpc/auth.h>
#include <sys/cdefs.h>
/*
* Rpc calls return an enum clnt_stat. This should be looked at more,
* since each implementation is required to live with this (implementation
* independent) list of errors.
*/
/* Avoid collision with mach definition */
#if defined(RPC_SUCCESS)
#undef RPC_SUCCESS
#endif
enum clnt_stat {
RPC_SUCCESS=0, /* call succeeded */
/*
* local errors
*/
RPC_CANTENCODEARGS=1, /* can't encode arguments */
RPC_CANTDECODERES=2, /* can't decode results */
RPC_CANTSEND=3, /* failure in sending call */
RPC_CANTRECV=4, /* failure in receiving result */
RPC_TIMEDOUT=5, /* call timed out */
/*
* remote errors
*/
RPC_VERSMISMATCH=6, /* rpc versions not compatible */
RPC_AUTHERROR=7, /* authentication error */
RPC_PROGUNAVAIL=8, /* program not available */
RPC_PROGVERSMISMATCH=9, /* program version mismatched */
RPC_PROCUNAVAIL=10, /* procedure unavailable */
RPC_CANTDECODEARGS=11, /* decode arguments error */
RPC_SYSTEMERROR=12, /* generic "other problem" */
/*
* callrpc & clnt_create errors
*/
RPC_UNKNOWNHOST=13, /* unknown host name */
RPC_UNKNOWNPROTO=17, /* unkown protocol */
/*
* _ create errors
*/
RPC_PMAPFAILURE=14, /* the pmapper failed in its call */
RPC_PROGNOTREGISTERED=15, /* remote program is not registered */
/*
* unspecified error
*/
RPC_FAILED=16
};
/*
* Error info.
*/
struct rpc_err {
enum clnt_stat re_status;
union {
int RE_errno; /* realated system error */
enum auth_stat RE_why; /* why the auth error occurred */
struct {
#ifdef __LP64__
unsigned int low; /* lowest verion supported */
unsigned int high; /* highest verion supported */
#else
unsigned long low; /* lowest verion supported */
unsigned long high; /* highest verion supported */
#endif
} RE_vers;
struct { /* maybe meaningful if RPC_FAILED */
#ifdef __LP64__
int s1;
int s2;
#else
long s1;
long s2;
#endif
} RE_lb; /* life boot & debugging only */
} ru;
#define re_errno ru.RE_errno
#define re_why ru.RE_why
#define re_vers ru.RE_vers
#define re_lb ru.RE_lb
};
/*
* Client rpc handle.
* Created by individual implementations, see e.g. rpc_udp.c.
* Client is responsible for initializing auth, see e.g. auth_none.c.
*/
typedef struct CLIENT CLIENT;
struct CLIENT
{
AUTH *cl_auth; /* authenticator */
struct clnt_ops {
#ifdef __LP64__
enum clnt_stat (*cl_call)(CLIENT *, unsigned int, xdrproc_t, void *, xdrproc_t, void *, struct timeval); /* call remote procedure */
#else
enum clnt_stat (*cl_call)(CLIENT *, unsigned long, xdrproc_t, void *, xdrproc_t, void *, struct timeval); /* call remote procedure */
#endif
void (*cl_abort)(void); /* abort a call */
void (*cl_geterr)(CLIENT *, struct rpc_err *); /* get specific error code */
bool_t (*cl_freeres)(CLIENT *, xdrproc_t, void *); /* frees results */
void (*cl_destroy)(CLIENT *); /* destroy this structure */
bool_t (*cl_control)(CLIENT *, int, char *); /* the ioctl() of rpc */
} *cl_ops;
caddr_t cl_private; /* private stuff */
};
/*
* client side rpc interface ops
*
* Parameter types are:
*
*/
/*
* enum clnt_stat
* CLNT_CALL(rh, proc, xargs, argsp, xres, resp, timeout)
* CLIENT *rh;
* u_long proc;
* xdrproc_t xargs;
* caddr_t argsp;
* xdrproc_t xres;
* caddr_t resp;
* struct timeval timeout;
*/
#define CLNT_CALL(rh, proc, xargs, argsp, xres, resp, secs) \
((*(rh)->cl_ops->cl_call)(rh, proc, xargs, argsp, xres, resp, secs))
#define clnt_call(rh, proc, xargs, argsp, xres, resp, secs) \
((*(rh)->cl_ops->cl_call)(rh, proc, xargs, argsp, xres, resp, secs))
/*
* void
* CLNT_ABORT(rh);
* CLIENT *rh;
*/
#define CLNT_ABORT(rh) ((*(rh)->cl_ops->cl_abort)(rh))
#define clnt_abort(rh) ((*(rh)->cl_ops->cl_abort)(rh))
/*
* struct rpc_err
* CLNT_GETERR(rh);
* CLIENT *rh;
*/
#define CLNT_GETERR(rh,errp) ((*(rh)->cl_ops->cl_geterr)(rh, errp))
#define clnt_geterr(rh,errp) ((*(rh)->cl_ops->cl_geterr)(rh, errp))
/*
* bool_t
* CLNT_FREERES(rh, xres, resp);
* CLIENT *rh;
* xdrproc_t xres;
* caddr_t resp;
*/
#define CLNT_FREERES(rh,xres,resp) ((*(rh)->cl_ops->cl_freeres)(rh,xres,resp))
#define clnt_freeres(rh,xres,resp) ((*(rh)->cl_ops->cl_freeres)(rh,xres,resp))
/*
* bool_t
* CLNT_CONTROL(cl, request, info)
* CLIENT *cl;
* unsigned int request;
* char *info;
*/
#define CLNT_CONTROL(cl,rq,in) ((*(cl)->cl_ops->cl_control)(cl,rq,in))
#define clnt_control(cl,rq,in) ((*(cl)->cl_ops->cl_control)(cl,rq,in))
/*
* control operations that apply to both udp and tcp transports
*/
#define CLSET_TIMEOUT 1 /* set timeout (timeval) */
#define CLGET_TIMEOUT 2 /* get timeout (timeval) */
#define CLGET_SERVER_ADDR 3 /* get server's address (sockaddr) */
/*
* udp only control operations
*/
#define CLSET_RETRY_TIMEOUT 4 /* set retry timeout (timeval) */
#define CLGET_RETRY_TIMEOUT 5 /* get retry timeout (timeval) */
/*
* void
* CLNT_DESTROY(rh);
* CLIENT *rh;
*/
#define CLNT_DESTROY(rh) ((*(rh)->cl_ops->cl_destroy)(rh))
#define clnt_destroy(rh) ((*(rh)->cl_ops->cl_destroy)(rh))
/*
* RPCTEST is a test program which is accessable on every rpc
* transport/port. It is used for testing, performance evaluation,
* and network administration.
*/
#ifdef __LP64__
#define RPCTEST_PROGRAM ((unsigned int)1)
#define RPCTEST_VERSION ((unsigned int)1)
#define RPCTEST_NULL_PROC ((unsigned int)2)
#define RPCTEST_NULL_BATCH_PROC ((unsigned int)3)
#else
#define RPCTEST_PROGRAM ((unsigned long)1)
#define RPCTEST_VERSION ((unsigned long)1)
#define RPCTEST_NULL_PROC ((unsigned long)2)
#define RPCTEST_NULL_BATCH_PROC ((unsigned long)3)
#endif
/*
* By convention, procedure 0 takes null arguments and returns them
*/
#ifdef __LP64__
#define NULLPROC ((unsigned int)0)
#else
#define NULLPROC ((unsigned long)0)
#endif
/*
* Below are the client handle creation routines for the various
* implementations of client side rpc. They can return NULL if a
* creation failure occurs.
*/
/*
* Memory based rpc (for speed check and testing)
* CLIENT *
* clntraw_create(prog, vers)
* u_long prog;
* u_long vers;
*/
__BEGIN_DECLS
#ifdef __LP64__
extern CLIENT *clntraw_create __P((unsigned int, unsigned int));
#else
extern CLIENT *clntraw_create __P((unsigned long, unsigned long));
#endif
__END_DECLS
/*
* Generic client creation routine. Supported protocols are "udp" and "tcp"
* CLIENT *
* clnt_create(host, prog, vers, prot);
* char *host; -- hostname
* u_long prog; -- program number
* u_long vers; -- version number
* char *prot; -- protocol
*/
__BEGIN_DECLS
#ifdef __LP64__
extern CLIENT *clnt_create __P((char *, unsigned int, unsigned int, char *));
#else
extern CLIENT *clnt_create __P((char *, unsigned long, unsigned long, char *));
#endif
__END_DECLS
/*
* TCP based rpc
* CLIENT *
* clnttcp_create(raddr, prog, vers, sockp, sendsz, recvsz)
* struct sockaddr_in *raddr;
* u_long prog;
* u_long version;
* register int *sockp;
* unsigned int sendsz;
* unsigned int recvsz;
*/
__BEGIN_DECLS
#ifdef __LP64__
extern CLIENT *clnttcp_create __P((struct sockaddr_in *,
unsigned int,
unsigned int,
int *,
unsigned int,
unsigned int));
#else
extern CLIENT *clnttcp_create __P((struct sockaddr_in *,
unsigned long,
unsigned long,
int *,
unsigned int,
unsigned int));
#endif
__END_DECLS
/*
* UDP based rpc.
* CLIENT *
* clntudp_create(raddr, program, version, wait, sockp)
* struct sockaddr_in *raddr;
* u_long program;
* u_long version;
* struct timeval wait;
* int *sockp;
*
* Same as above, but you specify max packet sizes.
* CLIENT *
* clntudp_bufcreate(raddr, program, version, wait, sockp, sendsz, recvsz)
* struct sockaddr_in *raddr;
* u_long program;
* u_long version;
* struct timeval wait;
* int *sockp;
* unsigned int sendsz;
* unsigned int recvsz;
*/
__BEGIN_DECLS
#ifdef __LP64__
extern CLIENT *clntudp_create __P((struct sockaddr_in *,
unsigned int,
unsigned int,
struct timeval,
int *));
extern CLIENT *clntudp_bufcreate __P((struct sockaddr_in *,
unsigned int,
unsigned int,
struct timeval,
int *,
unsigned int,
unsigned int));
#else
extern CLIENT *clntudp_create __P((struct sockaddr_in *,
unsigned long,
unsigned long,
struct timeval,
int *));
extern CLIENT *clntudp_bufcreate __P((struct sockaddr_in *,
unsigned long,
unsigned long,
struct timeval,
int *,
unsigned int,
unsigned int));
#endif
__END_DECLS
/*
* Print why creation failed
*/
__BEGIN_DECLS
extern void clnt_pcreateerror __P((char *)); /* stderr */
extern char *clnt_spcreateerror __P((char *)); /* string */
__END_DECLS
/*
* Like clnt_perror(), but is more verbose in its output
*/
__BEGIN_DECLS
extern void clnt_perrno __P((enum clnt_stat)); /* stderr */
extern char *clnt_sperrno __P((enum clnt_stat)); /* string */
__END_DECLS
/*
* Print an English error message, given the client error code
*/
__BEGIN_DECLS
extern void clnt_perror __P((CLIENT *, char *)); /* stderr */
extern char *clnt_sperror __P((CLIENT *, 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 */
};
extern struct rpc_createerr rpc_createerr;
#define UDPMSGSIZE 8800 /* rpc imposed limit on udp msg size */
#define RPCSMALLMSGSIZE 400 /* a more reasonable packet size */
#endif /* !_RPC_CLNT_H */
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