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/*!\file rpc/rpc_msg.h |
* RPC message definitions. |
*/ |
|
/* |
* 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, MERCHANTABILITY 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: @(#)rpc_msg.h 1.7 86/07/16 SMI |
* from: @(#)rpc_msg.h 2.1 88/07/29 4.0 RPCSRC |
* $Id: rpc_msg.h,v 1.5 1996/01/30 23:32:24 mpp Exp $ |
*/ |
|
/* |
* rpc_msg.h |
* rpc message definition |
* |
* Copyright (C) 1984, Sun Microsystems, Inc. |
*/ |
|
#ifndef __RPC_RPC_MSG_H |
#define __RPC_RPCM_SG_H |
|
#include <sys/cdefs.h> |
|
#define RPC_MSG_VERSION ((u_long) 2) |
#define RPC_SERVICE_PORT ((u_short) 2048) |
|
/* |
* Bottom up definition of an rpc message. |
* NOTE: call and reply use the same overall stuct but |
* different parts of unions within it. |
*/ |
|
enum msg_type { |
CALL=0, |
REPLY=1 |
}; |
|
enum reply_stat { |
MSG_ACCEPTED=0, |
MSG_DENIED=1 |
}; |
|
enum accept_stat { |
SUCCESS=0, |
PROG_UNAVAIL=1, |
PROG_MISMATCH=2, |
PROC_UNAVAIL=3, |
GARBAGE_ARGS=4, |
SYSTEM_ERR=5 |
}; |
|
enum reject_stat { |
RPC_MISMATCH=0, |
AUTH_ERROR=1 |
}; |
|
/* |
* Reply part of an rpc exchange |
*/ |
|
#include <sys/packon.h> |
|
/* |
* Reply to an rpc request that was accepted by the server. |
* Note: there could be an error even though the request was |
* accepted. |
*/ |
struct accepted_reply { |
struct opaque_auth ar_verf; |
enum accept_stat ar_stat; |
union { |
struct { |
u_long low; |
u_long high; |
} AR_versions; |
struct { |
caddr_t where; |
xdrproc_t proc; |
} AR_results; |
/* and many other null cases */ |
} ru; |
#define ar_results ru.AR_results |
#define ar_vers ru.AR_versions |
}; |
|
/* |
* Reply to an rpc request that was rejected by the server. |
*/ |
struct rejected_reply { |
enum reject_stat rj_stat; |
union { |
struct { |
u_long low; |
u_long high; |
} RJ_versions; |
enum auth_stat RJ_why; /* why authentication did not work */ |
} ru; |
#define rj_vers ru.RJ_versions |
#define rj_why ru.RJ_why |
}; |
|
/* |
* Body of a reply to an rpc request. |
*/ |
struct reply_body { |
enum reply_stat rp_stat; |
union { |
struct accepted_reply RP_ar; |
struct rejected_reply RP_dr; |
} ru; |
#define rp_acpt ru.RP_ar |
#define rp_rjct ru.RP_dr |
}; |
|
/* |
* Body of an rpc request call. |
*/ |
struct call_body { |
u_long cb_rpcvers; /* must be equal to two */ |
u_long cb_prog; |
u_long cb_vers; |
u_long cb_proc; |
struct opaque_auth cb_cred; |
struct opaque_auth cb_verf; /* protocol specific - provided by client */ |
}; |
|
/* |
* The rpc message |
*/ |
struct rpc_msg { |
u_long rm_xid; |
enum msg_type rm_direction; |
union { |
struct call_body RM_cmb; |
struct reply_body RM_rmb; |
} ru; |
#define rm_call ru.RM_cmb |
#define rm_reply ru.RM_rmb |
}; |
#define acpted_rply ru.RM_rmb.ru.RP_ar |
#define rjcted_rply ru.RM_rmb.ru.RP_dr |
|
#include <sys/packoff.h> |
|
__BEGIN_DECLS |
|
/* |
* XDR routine to handle a rpc message. |
* xdr_callmsg(xdrs, cmsg) |
* XDR *xdrs; |
* struct rpc_msg *cmsg; |
*/ |
extern bool_t xdr_callmsg (XDR *, struct rpc_msg *); |
|
/* |
* XDR routine to pre-serialize the static part of a rpc message. |
* xdr_callhdr(xdrs, cmsg) |
* XDR *xdrs; |
* struct rpc_msg *cmsg; |
*/ |
extern bool_t xdr_callhdr (XDR *, struct rpc_msg *); |
|
/* |
* XDR routine to handle a rpc reply. |
* xdr_replymsg(xdrs, rmsg) |
* XDR *xdrs; |
* struct rpc_msg *rmsg; |
*/ |
extern bool_t xdr_replymsg (XDR *, struct rpc_msg *); |
|
/* |
* Fills in the error part of a reply message. |
* _seterr_reply(msg, error) |
* struct rpc_msg *msg; |
* struct rpc_err *error; |
*/ |
struct rpc_err; |
extern void _seterr_reply (struct rpc_msg *, struct rpc_err *); |
|
__END_DECLS |
|
#endif |