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vlmcsd/VisualStudio-Linux-Remote/toolchains/gcc5-x86_64-linux-gnu/usr/include/rpc/clnt.h
Wind4 798675dc66 vlmcsd-svn1065-2016-10-12-Hotbird64
2016-10-14 13:28:23 +08:00

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/*
* clnt.h - Client side remote procedure call interface.
*
* Copyright (c) 2010, Oracle America, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
* * Neither the name of the "Oracle America, Inc." nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _RPC_CLNT_H
#define _RPC_CLNT_H 1
#include <features.h>
#include <sys/types.h>
#include <rpc/types.h>
#include <rpc/auth.h>
#include <sys/un.h>
__BEGIN_DECLS
/*
* 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.
*/
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" */
RPC_NOBROADCAST = 21, /* Broadcasting not supported */
/*
* callrpc & clnt_create errors
*/
RPC_UNKNOWNHOST=13, /* unknown host name */
RPC_UNKNOWNPROTO=17, /* unknown protocol */
RPC_UNKNOWNADDR = 19, /* Remote address unknown */
/*
* rpcbind errors
*/
RPC_RPCBFAILURE=14, /* portmapper failed in its call */
#define RPC_PMAPFAILURE RPC_RPCBFAILURE
RPC_PROGNOTREGISTERED=15, /* remote program is not registered */
RPC_N2AXLATEFAILURE = 22, /* Name to addr translation failed */
/*
* unspecified error
*/
RPC_FAILED=16,
RPC_INTR=18,
RPC_TLIERROR=20,
RPC_UDERROR=23,
/*
* asynchronous errors
*/
RPC_INPROGRESS = 24,
RPC_STALERACHANDLE = 25
};
/*
* Error info.
*/
struct rpc_err {
enum clnt_stat re_status;
union {
int RE_errno; /* related system error */
enum auth_stat RE_why; /* why the auth error occurred */
struct {
u_long low; /* lowest verion supported */
u_long high; /* highest verion supported */
} RE_vers;
struct { /* maybe meaningful if RPC_FAILED */
long s1;
long s2;
} 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 {
enum clnt_stat (*cl_call) (CLIENT *, u_long, xdrproc_t, caddr_t, xdrproc_t,
caddr_t, struct timeval);
/* call remote procedure */
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, caddr_t);
/* 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;
* u_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 all transports
*
* Note: options marked XXX are no-ops in this implementation of RPC.
* The are present in TI-RPC but can't be implemented here since they
* depend on the presence of STREAMS/TLI, which we don't have.
*/
#define CLSET_TIMEOUT 1 /* set timeout (timeval) */
#define CLGET_TIMEOUT 2 /* get timeout (timeval) */
#define CLGET_SERVER_ADDR 3 /* get server's address (sockaddr) */
#define CLGET_FD 6 /* get connections file descriptor */
#define CLGET_SVC_ADDR 7 /* get server's address (netbuf) XXX */
#define CLSET_FD_CLOSE 8 /* close fd while clnt_destroy */
#define CLSET_FD_NCLOSE 9 /* Do not close fd while clnt_destroy*/
#define CLGET_XID 10 /* Get xid */
#define CLSET_XID 11 /* Set xid */
#define CLGET_VERS 12 /* Get version number */
#define CLSET_VERS 13 /* Set version number */
#define CLGET_PROG 14 /* Get program number */
#define CLSET_PROG 15 /* Set program number */
#define CLSET_SVC_ADDR 16 /* get server's address (netbuf) XXX */
#define CLSET_PUSH_TIMOD 17 /* push timod if not already present XXX */
#define CLSET_POP_TIMOD 18 /* pop timod XXX */
/*
* Connectionless 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 accessible on every rpc
* transport/port. It is used for testing, performance evaluation,
* and network administration.
*/
#define RPCTEST_PROGRAM ((u_long)1)
#define RPCTEST_VERSION ((u_long)1)
#define RPCTEST_NULL_PROC ((u_long)2)
#define RPCTEST_NULL_BATCH_PROC ((u_long)3)
/*
* By convention, procedure 0 takes null arguments and returns them
*/
#define NULLPROC ((u_long)0)
/*
* 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;
*/
extern CLIENT *clntraw_create (const u_long __prog, const u_long __vers)
__THROW;
/*
* Generic client creation routine. Supported protocols are "udp", "tcp" and
* "unix"
* CLIENT *
* clnt_create(host, prog, vers, prot)
* char *host; -- hostname
* u_long prog; -- program number
* u_ong vers; -- version number
* char *prot; -- protocol
*/
extern CLIENT *clnt_create (const char *__host, const u_long __prog,
const u_long __vers, const char *__prot)
__THROW;
/*
* 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;
* u_int sendsz;
* u_int recvsz;
*/
extern CLIENT *clnttcp_create (struct sockaddr_in *__raddr, u_long __prog,
u_long __version, int *__sockp, u_int __sendsz,
u_int __recvsz) __THROW;
/*
* UDP based rpc.
* CLIENT *
* clntudp_create(raddr, program, version, wait, sockp)
* struct sockaddr_in *raddr;
* u_long program;
* u_long version;
* struct timeval wait_resend;
* 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_resend;
* int *sockp;
* u_int sendsz;
* u_int recvsz;
*/
extern CLIENT *clntudp_create (struct sockaddr_in *__raddr, u_long __program,
u_long __version, struct timeval __wait_resend,
int *__sockp) __THROW;
extern CLIENT *clntudp_bufcreate (struct sockaddr_in *__raddr,
u_long __program, u_long __version,
struct timeval __wait_resend, int *__sockp,
u_int __sendsz, u_int __recvsz) __THROW;
/*
* AF_UNIX based rpc
* CLIENT *
* clntunix_create(raddr, prog, vers, sockp, sendsz, recvsz)
* struct sockaddr_un *raddr;
* u_long prog;
* u_long version;
* register int *sockp;
* u_int sendsz;
* u_int recvsz;
*/
extern CLIENT *clntunix_create (struct sockaddr_un *__raddr, u_long __program,
u_long __version, int *__sockp,
u_int __sendsz, u_int __recvsz) __THROW;
extern int callrpc (const char *__host, const u_long __prognum,
const u_long __versnum, const u_long __procnum,
const xdrproc_t __inproc, const char *__in,
const xdrproc_t __outproc, char *__out) __THROW;
extern int _rpc_dtablesize (void) __THROW;
/*
* Print why creation failed
*/
extern void clnt_pcreateerror (const char *__msg); /* stderr */
extern char *clnt_spcreateerror(const char *__msg) __THROW; /* string */
/*
* Like clnt_perror(), but is more verbose in its output
*/
extern void clnt_perrno (enum clnt_stat __num); /* stderr */
/*
* Print an English error message, given the client error code
*/
extern void clnt_perror (CLIENT *__clnt, const char *__msg);
/* stderr */
extern char *clnt_sperror (CLIENT *__clnt, const char *__msg) __THROW;
/* string */
/*
* 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;
/*
* Copy error message to buffer.
*/
extern char *clnt_sperrno (enum clnt_stat __num) __THROW; /* string */
/*
* get the port number on the host for the rpc program,version and proto
*/
extern int getrpcport (const char * __host, u_long __prognum,
u_long __versnum, u_int __proto) __THROW;
/*
* get the local host's IP address without consulting
* name service library functions
*/
extern void get_myaddress (struct sockaddr_in *) __THROW;
#define UDPMSGSIZE 8800 /* rpc imposed limit on udp msg size */
#define RPCSMALLMSGSIZE 400 /* a more reasonable packet size */
__END_DECLS
#endif /* rpc/clnt.h */
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