rpc头文件

地址：http://www.scs.stanford.edu/histar/src/pkg/uclibc/include/rpc/rpc_msg.h

/* @(#)rpc_msg.h2.1 88/07/29 4.0 RPCSRC *//* * 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 *//*      @(#)rpc_msg.h 1.7 86/07/16 SMI      */#ifndef _RPC_MSG_H#define _RPC_MSG_H 1#include <sys/cdefs.h>#include <rpc/xdr.h>#include <rpc/clnt.h>/* * rpc_msg.h * rpc message definition * * Copyright (C) 1984, Sun Microsystems, Inc. */#define RPC_MSG_VERSION((u_long) 2)#define RPC_SERVICE_PORT((u_short) 2048)__BEGIN_DECLS/* * Bottom up definition of an rpc message. * NOTE: call and reply use the same overall struct 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 *//* * 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_authar_verf;enum accept_statar_stat;union {struct {u_longlow;u_longhigh;} AR_versions;struct {caddr_twhere;xdrproc_t proc;} AR_results;/* and many other null cases */} ru;#definear_resultsru.AR_results#definear_versru.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;#definerj_versru.RJ_versions#definerj_whyru.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;#definerp_acptru.RP_ar#definerp_rjctru.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_longrm_xid;enum msg_typerm_direction;union {struct call_body RM_cmb;struct reply_body RM_rmb;} ru;#definerm_callru.RM_cmb#definerm_replyru.RM_rmb};#defineacpted_rplyru.RM_rmb.ru.RP_ar#definerjcted_rplyru.RM_rmb.ru.RP_dr/* * XDR routine to handle a rpc message. * xdr_callmsg(xdrs, cmsg) * XDR *xdrs; * struct rpc_msg *cmsg; */extern bool_txdr_callmsg (XDR *__xdrs, struct rpc_msg *__cmsg) __THROW;/* * XDR routine to pre-serialize the static part of a rpc message. * xdr_callhdr(xdrs, cmsg) * XDR *xdrs; * struct rpc_msg *cmsg; */extern bool_txdr_callhdr (XDR *__xdrs, struct rpc_msg *__cmsg) __THROW;/* * XDR routine to handle a rpc reply. * xdr_replymsg(xdrs, rmsg) * XDR *xdrs; * struct rpc_msg *rmsg; */extern bool_txdr_replymsg (XDR *__xdrs, struct rpc_msg *__rmsg) __THROW;/* * Fills in the error part of a reply message. * _seterr_reply(msg, error) * struct rpc_msg *msg; * struct rpc_err *error; */extern void_seterr_reply (struct rpc_msg *__msg, struct rpc_err *__error)     __THROW;__END_DECLS#endif /* rpc/rpc_msg.h */