332 lines
8.5 KiB
C
332 lines
8.5 KiB
C
/* @(#)clnt.h 2.1 88/07/29 4.0 RPCSRC; from 1.31 88/02/08 SMI*/
|
|
/*
|
|
* 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
|
|
*/
|
|
|
|
/*
|
|
* clnt.h - Client side remote procedure call interface.
|
|
*
|
|
* Copyright (C) 1984, Sun Microsystems, Inc.
|
|
*/
|
|
|
|
#ifndef _CLNT_
|
|
#define _CLNT_
|
|
|
|
/*
|
|
* 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" */
|
|
|
|
/*
|
|
* 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 {
|
|
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 {
|
|
AUTH *cl_auth; /* authenticator */
|
|
struct clnt_ops {
|
|
enum clnt_stat (*cl_call)(); /* call remote procedure */
|
|
void (*cl_abort)(); /* abort a call */
|
|
void (*cl_geterr)(); /* get specific error code */
|
|
bool_t (*cl_freeres)(); /* frees results */
|
|
void (*cl_destroy)();/* destroy this structure */
|
|
bool_t (*cl_control)();/* the ioctl() of rpc */
|
|
} *cl_ops;
|
|
caddr_t cl_private; /* private stuff */
|
|
} CLIENT;
|
|
|
|
|
|
/*
|
|
* 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 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.
|
|
*/
|
|
|
|
#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();
|
|
|
|
|
|
/*
|
|
* Generic client creation routine. Supported protocols are "udp" and "tcp"
|
|
*/
|
|
extern CLIENT *
|
|
clnt_create(/*host, prog, vers, prot*/); /*
|
|
char *host; -- hostname
|
|
u_long prog; -- program number
|
|
u_long vers; -- version number
|
|
char *prot; -- protocol
|
|
*/
|
|
|
|
|
|
|
|
|
|
/*
|
|
* 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();
|
|
|
|
/*
|
|
* 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;
|
|
* u_int sendsz;
|
|
* u_int recvsz;
|
|
*/
|
|
extern CLIENT *clntudp_create();
|
|
extern CLIENT *clntudp_bufcreate();
|
|
|
|
/*
|
|
* Print why creation failed
|
|
*/
|
|
void clnt_pcreateerror(/* char *msg */); /* stderr */
|
|
char *clnt_spcreateerror(/* char *msg */); /* string */
|
|
|
|
/*
|
|
* Like clnt_perror(), but is more verbose in its output
|
|
*/
|
|
void clnt_perrno(/* enum clnt_stat num */); /* stderr */
|
|
|
|
/*
|
|
* Print an English error message, given the client error code
|
|
*/
|
|
void clnt_perror(/* CLIENT *clnt, char *msg */); /* stderr */
|
|
char *clnt_sperror(/* CLIENT *clnt, char *msg */); /* 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.
|
|
*/
|
|
char *clnt_sperrno(/* enum clnt_stat num */); /* string */
|
|
|
|
|
|
|
|
#define UDPMSGSIZE 8800 /* rpc imposed limit on udp msg size */
|
|
#define RPCSMALLMSGSIZE 400 /* a more reasonable packet size */
|
|
|
|
#endif /*!_CLNT_*/
|