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Annotation of 43BSDReno/lib/librpc/rpc_msg.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
        !             3:  * unrestricted use provided that this legend is included on all tape
        !             4:  * media and as a part of the software program in whole or part.  Users
        !             5:  * may copy or modify Sun RPC without charge, but are not authorized
        !             6:  * to license or distribute it to anyone else except as part of a product or
        !             7:  * program developed by the user.
        !             8:  * 
        !             9:  * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
        !            10:  * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
        !            11:  * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
        !            12:  * 
        !            13:  * Sun RPC is provided with no support and without any obligation on the
        !            14:  * part of Sun Microsystems, Inc. to assist in its use, correction,
        !            15:  * modification or enhancement.
        !            16:  * 
        !            17:  * SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE
        !            18:  * INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC
        !            19:  * OR ANY PART THEREOF.
        !            20:  * 
        !            21:  * In no event will Sun Microsystems, Inc. be liable for any lost revenue
        !            22:  * or profits or other special, indirect and consequential damages, even if
        !            23:  * Sun has been advised of the possibility of such damages.
        !            24:  * 
        !            25:  * Sun Microsystems, Inc.
        !            26:  * 2550 Garcia Avenue
        !            27:  * Mountain View, California  94043
        !            28:  */
        !            29: /*      @(#)rpc_msg.h 1.3 85/03/14 SMI      */
        !            30: 
        !            31: /*
        !            32:  * rpc_msg.h
        !            33:  * rpc message definition
        !            34:  *
        !            35:  * Copyright (C) 1984, Sun Microsystems, Inc.
        !            36:  */
        !            37: 
        !            38: #define RPC_MSG_VERSION                ((u_long) 2)
        !            39: #define RPC_SERVICE_PORT       ((u_short) 2048)
        !            40: 
        !            41: /*
        !            42:  * Bottom up definition of an rpc message.
        !            43:  * NOTE: call and reply use the same overall stuct but
        !            44:  * different parts of unions within it.
        !            45:  */
        !            46: 
        !            47: enum msg_type {
        !            48:        CALL=0,
        !            49:        REPLY=1
        !            50: };
        !            51: 
        !            52: enum reply_stat {
        !            53:        MSG_ACCEPTED=0,
        !            54:        MSG_DENIED=1
        !            55: };
        !            56: 
        !            57: enum accept_stat {
        !            58:        SUCCESS=0,
        !            59:        PROG_UNAVAIL=1,
        !            60:        PROG_MISMATCH=2,
        !            61:        PROC_UNAVAIL=3,
        !            62:        GARBAGE_ARGS=4,
        !            63:        SYSTEM_ERR=5
        !            64: };
        !            65: 
        !            66: enum reject_stat {
        !            67:        RPC_MISMATCH=0,
        !            68:        AUTH_ERROR=1
        !            69: };
        !            70: 
        !            71: /*
        !            72:  * Reply part of an rpc exchange
        !            73:  */
        !            74: 
        !            75: /*
        !            76:  * Reply to an rpc request that was accepted by the server.
        !            77:  * Note: there could be an error even though the request was
        !            78:  * accepted.
        !            79:  */
        !            80: struct accepted_reply {
        !            81:        struct opaque_auth      ar_verf;
        !            82:        enum accept_stat        ar_stat;
        !            83:        union {
        !            84:                struct {
        !            85:                        u_long  low;
        !            86:                        u_long  high;
        !            87:                } AR_versions;
        !            88:                struct {
        !            89:                        caddr_t where;
        !            90:                        xdrproc_t proc;
        !            91:                } AR_results;
        !            92:                /* and many other null cases */
        !            93:        } ru;
        !            94: #define        ar_results      ru.AR_results
        !            95: #define        ar_vers         ru.AR_versions
        !            96: };
        !            97: 
        !            98: /*
        !            99:  * Reply to an rpc request that was rejected by the server.
        !           100:  */
        !           101: struct rejected_reply {
        !           102:        enum reject_stat rj_stat;
        !           103:        union {
        !           104:                struct {
        !           105:                        u_long low;
        !           106:                        u_long high;
        !           107:                } RJ_versions;
        !           108:                enum auth_stat RJ_why;  /* why authentication did not work */
        !           109:        } ru;
        !           110: #define        rj_vers ru.RJ_versions
        !           111: #define        rj_why  ru.RJ_why
        !           112: };
        !           113: 
        !           114: /*
        !           115:  * Body of a reply to an rpc request.
        !           116:  */
        !           117: struct reply_body {
        !           118:        enum reply_stat rp_stat;
        !           119:        union {
        !           120:                struct accepted_reply RP_ar;
        !           121:                struct rejected_reply RP_dr;
        !           122:        } ru;
        !           123: #define        rp_acpt ru.RP_ar
        !           124: #define        rp_rjct ru.RP_dr
        !           125: };
        !           126: 
        !           127: /*
        !           128:  * Body of an rpc request call.
        !           129:  */
        !           130: struct call_body {
        !           131:        u_long cb_rpcvers;      /* must be equal to two */
        !           132:        u_long cb_prog;
        !           133:        u_long cb_vers;
        !           134:        u_long cb_proc;
        !           135:        struct opaque_auth cb_cred;
        !           136:        struct opaque_auth cb_verf; /* protocol specific - provided by client */
        !           137: };
        !           138: 
        !           139: /*
        !           140:  * The rpc message
        !           141:  */
        !           142: struct rpc_msg {
        !           143:        u_long                  rm_xid;
        !           144:        enum msg_type           rm_direction;
        !           145:        union {
        !           146:                struct call_body RM_cmb;
        !           147:                struct reply_body RM_rmb;
        !           148:        } ru;
        !           149: #define        rm_call         ru.RM_cmb
        !           150: #define        rm_reply        ru.RM_rmb
        !           151: };
        !           152: #define        acpted_rply     ru.RM_rmb.ru.RP_ar
        !           153: #define        rjcted_rply     ru.RM_rmb.ru.RP_dr
        !           154: 
        !           155: 
        !           156: /*
        !           157:  * XDR routine to handle a rpc message.
        !           158:  * xdr_callmsg(xdrs, cmsg)
        !           159:  *     XDR *xdrs;
        !           160:  *     struct rpc_msg *cmsg;
        !           161:  */
        !           162: extern bool_t  xdr_callmsg();
        !           163: 
        !           164: /*
        !           165:  * XDR routine to pre-serialize the static part of a rpc message.
        !           166:  * xdr_callhdr(xdrs, cmsg)
        !           167:  *     XDR *xdrs;
        !           168:  *     struct rpc_msg *cmsg;
        !           169:  */
        !           170: extern bool_t  xdr_callhdr();
        !           171: 
        !           172: /*
        !           173:  * XDR routine to handle a rpc reply.
        !           174:  * xdr_replymsg(xdrs, rmsg)
        !           175:  *     XDR *xdrs;
        !           176:  *     struct rpc_msg *rmsg;
        !           177:  */
        !           178: extern bool_t  xdr_replymsg();
        !           179: 
        !           180: /*
        !           181:  * Fills in the error part of a reply message.
        !           182:  * _seterr_reply(msg, error)
        !           183:  *     struct rpc_msg *msg;
        !           184:  *     struct rpc_err *error;
        !           185:  */
        !           186: extern void    _seterr_reply();

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