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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* All rights reserved. *
* *
* This file is part of HDF5. The full HDF5 copyright notice, including *
* terms governing use, modification, and redistribution, is contained in *
* the COPYING file, which can be found at the root of the source code *
* distribution tree, or in https://www.hdfgroup.org/licenses. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* Purpose: Connector/container introspection callbacks for the native VOL connector
*
*/
/****************/
/* Module Setup */
/****************/
/***********/
/* Headers */
/***********/
#include "H5private.h" /* Generic Functions */
#include "H5Eprivate.h" /* Error handling */
#include "H5VLprivate.h" /* Virtual Object Layer */
#include "H5VLnative_private.h" /* Native VOL connector */
/****************/
/* Local Macros */
/****************/
/******************/
/* Local Typedefs */
/******************/
/********************/
/* Local Prototypes */
/********************/
/*********************/
/* Package Variables */
/*********************/
/*****************************/
/* Library Private Variables */
/*****************************/
/*******************/
/* Local Variables */
/*******************/
/* Note: H5VL__native_introspect_get_conn_cls and H5VL__native_introspect_get_cap_flags
* are in src/H5VLnative.c so that they can work with the staticly declared
* class struct.
*/
/*---------------------------------------------------------------------------
* Function: H5VL__native_introspect_opt_query
*
* Purpose: Query if an optional operation is supported by this connector
*
* Returns: SUCCEED (Can't fail)
*
*---------------------------------------------------------------------------
*/
herr_t
H5VL__native_introspect_opt_query(void H5_ATTR_UNUSED *obj, H5VL_subclass_t subcls, int opt_type,
uint64_t *flags)
{
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_PACKAGE
/* Sanity check */
HDassert(flags);
/* The native VOL connector supports all optional operations */
*flags = H5VL_OPT_QUERY_SUPPORTED;
/* Set appropriate flags for each operation in each subclass */
switch (subcls) {
case H5VL_SUBCLS_NONE:
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "unknown optional 'none' operation")
case H5VL_SUBCLS_INFO:
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "unknown optional info operation")
case H5VL_SUBCLS_WRAP:
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "unknown optional wrapper operation")
case H5VL_SUBCLS_ATTR:
switch (opt_type) {
#ifndef H5_NO_DEPRECATED_SYMBOLS
case H5VL_NATIVE_ATTR_ITERATE_OLD:
/* Don't allow asynchronous execution, due to iterator callbacks */
*flags |= H5VL_OPT_QUERY_NO_ASYNC;
break;
#endif /* H5_NO_DEPRECATED_SYMBOLS */
default:
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "unknown optional attribute operation")
break;
} /* end switch */
break;
case H5VL_SUBCLS_DATASET:
switch (opt_type) {
case H5VL_NATIVE_DATASET_FORMAT_CONVERT:
*flags |= H5VL_OPT_QUERY_MODIFY_METADATA;
break;
case H5VL_NATIVE_DATASET_GET_CHUNK_INDEX_TYPE:
case H5VL_NATIVE_DATASET_GET_CHUNK_STORAGE_SIZE:
case H5VL_NATIVE_DATASET_GET_NUM_CHUNKS:
case H5VL_NATIVE_DATASET_GET_CHUNK_INFO_BY_IDX:
case H5VL_NATIVE_DATASET_GET_CHUNK_INFO_BY_COORD:
case H5VL_NATIVE_DATASET_GET_VLEN_BUF_SIZE:
case H5VL_NATIVE_DATASET_GET_OFFSET:
*flags |= H5VL_OPT_QUERY_QUERY_METADATA;
break;
case H5VL_NATIVE_DATASET_CHUNK_READ:
*flags |= H5VL_OPT_QUERY_READ_DATA;
break;
case H5VL_NATIVE_DATASET_CHUNK_WRITE:
*flags |= H5VL_OPT_QUERY_WRITE_DATA;
break;
default:
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "unknown optional dataset operation")
break;
} /* end switch */
break;
case H5VL_SUBCLS_DATATYPE:
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "unknown optional datatype operation")
case H5VL_SUBCLS_FILE:
switch (opt_type) {
case H5VL_NATIVE_FILE_CLEAR_ELINK_CACHE:
case H5VL_NATIVE_FILE_RESET_MDC_HIT_RATE:
case H5VL_NATIVE_FILE_SET_MDC_CONFIG:
*flags |= H5VL_OPT_QUERY_MODIFY_METADATA;
break;
case H5VL_NATIVE_FILE_GET_FILE_IMAGE:
*flags |= H5VL_OPT_QUERY_QUERY_METADATA;
*flags |= H5VL_OPT_QUERY_READ_DATA;
break;
case H5VL_NATIVE_FILE_GET_FREE_SECTIONS:
case H5VL_NATIVE_FILE_GET_FREE_SPACE:
case H5VL_NATIVE_FILE_GET_INFO:
case H5VL_NATIVE_FILE_GET_MDC_CONF:
case H5VL_NATIVE_FILE_GET_MDC_HR:
case H5VL_NATIVE_FILE_GET_MDC_SIZE:
case H5VL_NATIVE_FILE_GET_SIZE:
case H5VL_NATIVE_FILE_GET_VFD_HANDLE:
case H5VL_NATIVE_FILE_GET_METADATA_READ_RETRY_INFO:
*flags |= H5VL_OPT_QUERY_QUERY_METADATA;
break;
case H5VL_NATIVE_FILE_START_SWMR_WRITE:
*flags |= H5VL_OPT_QUERY_MODIFY_METADATA;
*flags |= H5VL_OPT_QUERY_WRITE_DATA;
*flags |= H5VL_OPT_QUERY_NO_ASYNC;
break;
case H5VL_NATIVE_FILE_START_MDC_LOGGING:
case H5VL_NATIVE_FILE_STOP_MDC_LOGGING:
case H5VL_NATIVE_FILE_GET_MDC_LOGGING_STATUS:
case H5VL_NATIVE_FILE_FORMAT_CONVERT:
case H5VL_NATIVE_FILE_RESET_PAGE_BUFFERING_STATS:
case H5VL_NATIVE_FILE_GET_PAGE_BUFFERING_STATS:
case H5VL_NATIVE_FILE_GET_MDC_IMAGE_INFO:
case H5VL_NATIVE_FILE_GET_EOA:
case H5VL_NATIVE_FILE_INCR_FILESIZE:
case H5VL_NATIVE_FILE_SET_LIBVER_BOUNDS:
case H5VL_NATIVE_FILE_GET_MIN_DSET_OHDR_FLAG:
case H5VL_NATIVE_FILE_SET_MIN_DSET_OHDR_FLAG:
#ifdef H5_HAVE_PARALLEL
case H5VL_NATIVE_FILE_GET_MPI_ATOMICITY:
case H5VL_NATIVE_FILE_SET_MPI_ATOMICITY:
#endif /* H5_HAVE_PARALLEL */
case H5VL_NATIVE_FILE_POST_OPEN:
break;
default:
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "unknown optional file operation")
break;
} /* end switch */
break;
case H5VL_SUBCLS_GROUP:
switch (opt_type) {
#ifndef H5_NO_DEPRECATED_SYMBOLS
case H5VL_NATIVE_GROUP_ITERATE_OLD:
/* Don't allow asynchronous execution, due to iterator callbacks */
*flags |= H5VL_OPT_QUERY_NO_ASYNC;
break;
case H5VL_NATIVE_GROUP_GET_OBJINFO:
*flags |= H5VL_OPT_QUERY_QUERY_METADATA;
break;
#endif /* H5_NO_DEPRECATED_SYMBOLS */
default:
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "unknown optional group operation")
break;
} /* end switch */
break;
case H5VL_SUBCLS_LINK:
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "unknown optional link operation")
case H5VL_SUBCLS_OBJECT:
switch (opt_type) {
case H5VL_NATIVE_OBJECT_GET_COMMENT:
*flags |= H5VL_OPT_QUERY_QUERY_METADATA;
break;
case H5VL_NATIVE_OBJECT_SET_COMMENT:
*flags |= H5VL_OPT_QUERY_MODIFY_METADATA;
break;
case H5VL_NATIVE_OBJECT_DISABLE_MDC_FLUSHES:
case H5VL_NATIVE_OBJECT_ENABLE_MDC_FLUSHES:
case H5VL_NATIVE_OBJECT_ARE_MDC_FLUSHES_DISABLED:
break;
case H5VL_NATIVE_OBJECT_GET_NATIVE_INFO:
*flags |= H5VL_OPT_QUERY_QUERY_METADATA;
break;
default:
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "unknown optional object operation")
break;
} /* end switch */
break;
case H5VL_SUBCLS_REQUEST:
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "unknown optional request operation")
case H5VL_SUBCLS_BLOB:
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "unknown optional blob operation")
case H5VL_SUBCLS_TOKEN:
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "unknown optional token operation")
default:
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "unknown H5VL subclass")
} /* end switch */
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5VL__native_introspect_opt_query() */
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