/*
 * Copyright (C) 1999 Transarc Corporation - All rights reserved
 */

#ifndef TRANSARC_BUTC_XBSA_H
#define TRANSARC_BUTC_XBSA_H

/* The following serverTypes are currently supported by this interface */
#define XBSA_SERVER_TYPE_NONE       0x00    /* no server, use tape drive         */
#define XBSA_SERVER_TYPE_UNKNOWN    0x01    /* server, don't know which type yet */
#define XBSA_SERVER_TYPE_ADSM       0x02    /* server type is ADSM               */
#define XBSA_SERVER_TYPE_MASK       0xFF    /* for (butx_transactionInfo *)->serverType (byte 1) */

#ifdef xbsa
#define CONF_XBSA (xbsaType != XBSA_SERVER_TYPE_NONE) /*test if butc is XBSA */
#else
#define CONF_XBSA 0
#endif

#ifdef xbsa
#define XBSA_SET_SERVER_TYPE(server, type) ((server) = ((type) & XBSA_SERVER_TYPE_MASK))
#define XBSA_GET_SERVER_TYPE(server)       ((server) & XBSA_SERVER_TYPE_MASK)

/* The following serverType flags are currently supported by this interface */
#define XBSA_SERVER_FLAG_NONE      0x0000 /* don't allow multiple server connections */
#define XBSA_SERVER_FLAG_MULTIPLE  0x0100 /* allow multiple server connections */
#define XBSA_SERVER_FLAG_MASK      0xFF00 /* for (butx_transactionInfo *)->serverType (byte 2) */
#define XBSA_SET_SERVER_FLAG(server, flag)    ((server) |= ((flag) & XBSA_SERVER_FLAG_MASK))
#define XBSA_GET_SERVER_FLAG(server)          ((server) & XBSA_SERVER_FLAG_MASK)
#define XBSA_IS_SERVER_FLAG_SET(server, flag) (XBSA_GET_SERVER_FLAG(server) & flag)

#define XBSAMINBUFFER  1024        /* minimum size is 1KB */
#define XBSADFLTBUFFER 16384       /* default size is 16KB */
#define XBSAMAXBUFFER  65535       /* maximum size in 64KB-1; has to fit in 16bit integer */

#include <xbsa.h>

#define XBSA_NUM_ENV_STRS ADSM_ENV_STRS
#define XBSA_MAX_OSNAME   BSA_MAX_OSNAME
#define XBSA_MAX_PATHNAME BSA_MAX_PATHNAME

#define XBSA_SUCCESS 0

/* The following defines the ADSM version level prior to the addition
 * of support for multiple servers.
 */
#define XBSA_ADSM_NO_MULT_SERVER_VERSION 3
#define XBSA_ADSM_NO_MULT_SERVER_RELEASE 7
#define XBSA_ADSM_NO_MULT_SERVER_LEVEL   1

/* The following defines the XBSA Technical Standard Level */
#define XBSA_TS_VERSION 1
#define XBSA_TS_RELEASE 1

/*
 * The butx_transactionInfo structure defines the connection to an
 * XBSA server.  The fields in this structure should only be modified
 * by the routines in file_xbsa.c.
 *
 * The values in here are specific to the transaction.
 * Values specific to the objects should be passed separately.
 * The spec says bsaHandle should be a long but ADSM has it as a ulong!
 */
struct butx_transactionInfo {
    ApiVersion        apiVersion;
    u_long             bsaHandle;
    afs_int32             serverType;               /* Type and flags           */
    afs_int32             maxObjects;               /* max objects/transaction  */
    afs_int32             numObjects;               /* objects in current trans */
    char              serverName[BSA_MAX_DESC];
    SecurityToken     secToken;
    ObjectOwner       objOwner;
    ObjectDescriptor  curObject;
};

extern afs_int32 xbsa_MountLibrary(struct butx_transactionInfo *info, afs_int32 serverType);

extern afs_int32 xbsa_Initialize(struct butx_transactionInfo *info,
                           char *bsaObjectOwner, char *appObjectOwner,
                           char *secToken, char *serverName);

extern afs_int32 xbsa_Finalize(struct butx_transactionInfo *info);

extern afs_int32 xbsa_BeginTrans(struct butx_transactionInfo *info);

extern afs_int32 xbsa_EndTrans(struct butx_transactionInfo *info);

extern afs_int32 xbsa_QueryObject(struct butx_transactionInfo *info,
			    char *objectSpaceName, char *pathName);

extern afs_int32 xbsa_ReadObjectBegin(struct butx_transactionInfo *info,
                                char *dataBuffer,
                                afs_int32 bufferSize,
                                afs_int32 *count,
                                afs_int32 *endOfData);

extern afs_int32 xbsa_ReadObjectEnd(struct butx_transactionInfo *info);

extern afs_int32 xbsa_WriteObjectBegin(struct butx_transactionInfo *info,
                                 char *objectSpaceName,
                                 char *pathName,
                                 char *lGName,
                                 afs_hyper_t estimatedSize,
                                 char *objectDescription,
                                 char *objectInfo);

extern afs_int32 xbsa_WriteObjectEnd(struct butx_transactionInfo *info);

extern afs_int32 xbsa_WriteObjectData(struct butx_transactionInfo *info,
                                char *dataBuffer,
                                afs_int32 bufferSize, afs_int32 *count);

extern afs_int32 xbsa_ReadObjectData(struct butx_transactionInfo *info,
                               char *dataBuffer,
                               afs_int32 bufferSize,
                               afs_int32 *count,
                               afs_int32 *endOfData);

extern afs_int32 xbsa_DeleteObject(struct butx_transactionInfo *info,
                             char *objectSpaceName, char *pathName);

#endif /*xbsa*/
#endif /* TRANSARC_BUTC_XBSA_H */