/*
Copyright (c) 1993 Xerox Corporation.  All rights reserved.
*/
/*
$Id$

$Date$
 *
 */
/* Chauser, October 28, 1993 3:39 pm PDT */

#ifndef __PCR_DbgNubProtocol_h
#   define __PCR_DbgNubProtocol_h 1

#include <config/PCR_StdDefs.h>
#include <config/PCR_Arch.h>


/*
 * well known port
 */

#define PCR_DbgNubProtocol_LISTENER_PORT		4815

#define PCR_DbgNubProtocol_VERSION	0

#define PCR_DbgNubProtocol_MkVersion(proto,procs) ( ((proto)<<16) | (procs) )

/*
 * return codes
 */

#define PCR_DbgNubProtocol_Res_okay	PCR_ERes_okay

#define PCR_DbgNubProtocol_Res_noProc	PCR_ERes_FromRes(1)
#define PCR_DbgNubProtocol_Res_badArgs	PCR_ERes_FromRes(2)

/* the remaining codes require destroying the stream */

#define PCR_DbgNubProtocol_Res_MUST_CLOSE_CONNECTION	PCR_ERes_FromRes(128)
#define PCR_DbgNubProtocol_Res_failure	PCR_ERes_FromRes(128)
#define PCR_DbgNubProtocol_Res_failure	PCR_ERes_FromRes(129)
#define PCR_DbgNubProtocol_Res_protocol	PCR_ERes_FromRes(130)
#define PCR_DbgNubProtocol_Res_space	PCR_ERes_FromRes(131)


/*
 * types (of tagged values passed over the wire)
 */
 
typedef enum {
    PCR_DbgNubProtocol_Tag_null = 0,
    PCR_DbgNubProtocol_Tag_procID = 1,
    PCR_DbgNubProtocol_Tag_retCode = 2,
    PCR_DbgNubProtocol_Tag_card32 = 3,
    PCR_DbgNubProtocol_Tag_int32 = 4,
    PCR_DbgNubProtocol_Tag_string = 5,
    PCR_DbgNubProtocol_Tag_block8 = 6,
    PCR_DbgNubProtocol_Tag_block16 = 7,
    PCR_DbgNubProtocol_Tag_block32 = 8,
    PCR_DbgNubProtocol_Tag_last = 0x7fff
} PCR_DbgNubProtocol_Tag;


/*
 * representation on the wire
 *
 * call is args followed by procID
 * reply is results followed by retCode
 */

#if defined(PCR_Arch_STD_SIZES)
    typedef short net_16;
    typedef long net_32;
#else
#   error NYI
#endif


typedef struct {
    net_16 dnpw_tag;
    net_16 dnpw_len;
} PCR_DbgNubProtocol_Wrapper;

#endif /* __PCR_DbgNubProtocol_h */