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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* Copyright by the Board of Trustees of the University of Illinois. *
* 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. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* Programmer: Vailin Choi
* September 2010
*
* Purpose: Implicit (Non Index) chunked I/O functions.
* This is used when the dataset is:
* extendible but with fixed max. dims
* with early allocation
* without filter
* The chunk coordinate is mapped into the actual disk addresses
* for the chunk without indexing.
*
*/
/****************/
/* Module Setup */
/****************/
#include "H5Dmodule.h" /* This source code file is part of the H5D module */
/***********/
/* Headers */
/***********/
#include "H5private.h" /* Generic Functions */
#include "H5Dpkg.h" /* Datasets */
#include "H5Eprivate.h" /* Error handling */
#include "H5FLprivate.h" /* Free Lists */
#include "H5MFprivate.h" /* File space management */
#include "H5VMprivate.h" /* Vector functions */
/****************/
/* Local Macros */
/****************/
/******************/
/* Local Typedefs */
/******************/
/********************/
/* Local Prototypes */
/********************/
/* Non Index chunking I/O ops */
static herr_t H5D__none_idx_create(const H5D_chk_idx_info_t *idx_info);
static hbool_t H5D__none_idx_is_space_alloc(const H5O_storage_chunk_t *storage);
static herr_t H5D__none_idx_get_addr(const H5D_chk_idx_info_t *idx_info, H5D_chunk_ud_t *udata);
static int H5D__none_idx_iterate(const H5D_chk_idx_info_t *idx_info, H5D_chunk_cb_func_t chunk_cb,
void *chunk_udata);
static herr_t H5D__none_idx_remove(const H5D_chk_idx_info_t *idx_info, H5D_chunk_common_ud_t *udata);
static herr_t H5D__none_idx_delete(const H5D_chk_idx_info_t *idx_info);
static herr_t H5D__none_idx_copy_setup(const H5D_chk_idx_info_t *idx_info_src,
const H5D_chk_idx_info_t *idx_info_dst);
static herr_t H5D__none_idx_size(const H5D_chk_idx_info_t *idx_info, hsize_t *size);
static herr_t H5D__none_idx_reset(H5O_storage_chunk_t *storage, hbool_t reset_addr);
static herr_t H5D__none_idx_dump(const H5O_storage_chunk_t *storage, FILE *stream);
/*********************/
/* Package Variables */
/*********************/
/* Non Index chunk I/O ops */
const H5D_chunk_ops_t H5D_COPS_NONE[1] = {{
FALSE, /* Non-indexed chunking don't current support SWMR access */
NULL, /* init */
H5D__none_idx_create, /* create */
H5D__none_idx_is_space_alloc, /* is_space_alloc */
NULL, /* insert */
H5D__none_idx_get_addr, /* get_addr */
NULL, /* resize */
H5D__none_idx_iterate, /* iterate */
H5D__none_idx_remove, /* remove */
H5D__none_idx_delete, /* delete */
H5D__none_idx_copy_setup, /* copy_setup */
NULL, /* copy_shutdown */
H5D__none_idx_size, /* size */
H5D__none_idx_reset, /* reset */
H5D__none_idx_dump, /* dump */
NULL /* dest */
}};
/*****************************/
/* Library Private Variables */
/*****************************/
/*******************/
/* Local Variables */
/*******************/
/*-------------------------------------------------------------------------
* Function: H5D__none_idx_create
*
* Purpose: Allocate memory for the maximum # of chunks in the dataset.
*
* Return: Non-negative on success
* Negative on failure.
*
* Programmer: Vailin Choi; September 2010
*
*-------------------------------------------------------------------------
*/
static herr_t
H5D__none_idx_create(const H5D_chk_idx_info_t *idx_info)
{
hsize_t nbytes; /* Total size of dataset chunks */
haddr_t addr; /* The address of dataset chunks */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_STATIC
/* Check args */
HDassert(idx_info);
HDassert(idx_info->f);
HDassert(idx_info->pline);
HDassert(idx_info->pline->nused == 0); /* Shouldn't have filter defined on entering here */
HDassert(idx_info->layout);
HDassert(idx_info->storage);
HDassert(idx_info->layout->max_nchunks);
HDassert(!H5F_addr_defined(idx_info->storage->idx_addr)); /* address of data shouldn't be defined */
/* Calculate size of max dataset chunks */
nbytes = idx_info->layout->max_nchunks * idx_info->layout->size;
/* Allocate space for max dataset chunks */
addr = H5MF_alloc(idx_info->f, H5FD_MEM_DRAW, nbytes);
if (!H5F_addr_defined(addr))
HGOTO_ERROR(H5E_DATASET, H5E_CANTALLOC, FAIL, "file allocation failed")
/* This is the address of the dataset chunks */
idx_info->storage->idx_addr = addr;
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5D__none_idx_create() */
/*-------------------------------------------------------------------------
* Function: H5D__none_idx_is_space_alloc
*
* Purpose: Query if space for the dataset chunks is allocated
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Vailin Choi; September 2010
*
*-------------------------------------------------------------------------
*/
static hbool_t
H5D__none_idx_is_space_alloc(const H5O_storage_chunk_t *storage)
{
FUNC_ENTER_STATIC_NOERR
/* Check args */
HDassert(storage);
FUNC_LEAVE_NOAPI((hbool_t)H5F_addr_defined(storage->idx_addr))
} /* end H5D__none_idx_is_space_alloc() */
/*-------------------------------------------------------------------------
* Function: H5D__none_idx_get_addr
*
* Purpose: Get the file address of a chunk.
* Save the retrieved information in the udata supplied.
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Vailin Choi; Sept 2010
*
*-------------------------------------------------------------------------
*/
static herr_t
H5D__none_idx_get_addr(const H5D_chk_idx_info_t *idx_info, H5D_chunk_ud_t *udata)
{
FUNC_ENTER_STATIC_NOERR
/* Sanity checks */
HDassert(idx_info);
HDassert(idx_info->f);
HDassert(idx_info->pline);
HDassert(idx_info->pline->nused == 0);
HDassert(idx_info->layout);
HDassert(idx_info->storage);
HDassert(udata);
HDassert(H5F_addr_defined(idx_info->storage->idx_addr));
/* Calculate the index of this chunk */
udata->chunk_idx = H5VM_array_offset_pre((idx_info->layout->ndims - 1), idx_info->layout->max_down_chunks,
udata->common.scaled);
/* Calculate the address of the chunk */
udata->chunk_block.offset = idx_info->storage->idx_addr + udata->chunk_idx * idx_info->layout->size;
/* Update the other (constant) information for the chunk */
udata->chunk_block.length = idx_info->layout->size;
udata->filter_mask = 0;
FUNC_LEAVE_NOAPI(SUCCEED)
} /* H5D__none_idx_get_addr() */
/*-------------------------------------------------------------------------
* Function: H5D__none_idx_iterate
*
* Purpose: Iterate over the chunks in an index, making a callback
* for each one.
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Vailin Choi; September 2010
*
*-------------------------------------------------------------------------
*/
static int
H5D__none_idx_iterate(const H5D_chk_idx_info_t *idx_info, H5D_chunk_cb_func_t chunk_cb, void *chunk_udata)
{
H5D_chunk_rec_t chunk_rec; /* generic chunk record */
unsigned ndims; /* Rank of chunk */
unsigned u; /* Local index variable */
int curr_dim; /* Current rank */
hsize_t idx; /* Array index of chunk */
int ret_value = H5_ITER_CONT; /* Return value */
FUNC_ENTER_STATIC
/* Sanity checks */
HDassert(idx_info);
HDassert(idx_info->f);
HDassert(idx_info->pline);
HDassert(!idx_info->pline->nused);
HDassert(idx_info->layout);
HDassert(idx_info->storage);
HDassert(chunk_cb);
HDassert(chunk_udata);
HDassert(H5F_addr_defined(idx_info->storage->idx_addr));
/* Initialize generic chunk record */
HDmemset(&chunk_rec, 0, sizeof(chunk_rec));
chunk_rec.nbytes = idx_info->layout->size;
chunk_rec.filter_mask = 0;
ndims = idx_info->layout->ndims - 1;
HDassert(ndims > 0);
/* Iterate over all the chunks in the dataset's dataspace */
for (u = 0; u < idx_info->layout->nchunks && ret_value == H5_ITER_CONT; u++) {
/* Calculate the index of this chunk */
idx = H5VM_array_offset_pre(ndims, idx_info->layout->max_down_chunks, chunk_rec.scaled);
/* Calculate the address of the chunk */
chunk_rec.chunk_addr = idx_info->storage->idx_addr + idx * idx_info->layout->size;
/* Make "generic chunk" callback */
if ((ret_value = (*chunk_cb)(&chunk_rec, chunk_udata)) < 0)
HGOTO_ERROR(H5E_DATASET, H5E_CALLBACK, H5_ITER_ERROR,
"failure in generic chunk iterator callback")
/* Update coordinates of chunk in dataset */
curr_dim = (int)(ndims - 1);
while (curr_dim >= 0) {
/* Increment coordinate in current dimension */
chunk_rec.scaled[curr_dim]++;
/* Check if we went off the end of the current dimension */
if (chunk_rec.scaled[curr_dim] >= idx_info->layout->chunks[curr_dim]) {
/* Reset coordinate & move to next faster dimension */
chunk_rec.scaled[curr_dim] = 0;
curr_dim--;
} /* end if */
else
break;
} /* end while */
} /* end for */
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5D__none_idx_iterate() */
/*-------------------------------------------------------------------------
* Function: H5D__none_idx_remove
*
* Purpose: Remove chunk from index.
*
* Note: Chunks can't be removed (or added) to datasets with this
* form of index - all the space for all the chunks is always
* allocated in the file.
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Vailin Choi; Sept 2010
*
*-------------------------------------------------------------------------
*/
static herr_t
H5D__none_idx_remove(const H5D_chk_idx_info_t H5_ATTR_UNUSED *idx_info,
H5D_chunk_common_ud_t H5_ATTR_UNUSED *udata)
{
FUNC_ENTER_STATIC_NOERR
/* NO OP */
FUNC_LEAVE_NOAPI(SUCCEED)
} /* H5D__none_idx_remove() */
/*-------------------------------------------------------------------------
* Function: H5D__none_idx_delete
*
* Purpose: Delete raw data storage for entire dataset (i.e. all chunks)
*
* Return: Success: Non-negative
* Failure: negative
*
* Programmer: Vailin Choi; Sept 2010
*
*-------------------------------------------------------------------------
*/
static herr_t
H5D__none_idx_delete(const H5D_chk_idx_info_t *idx_info)
{
hsize_t nbytes; /* Size of all chunks */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_STATIC
/* Sanity checks */
HDassert(idx_info);
HDassert(idx_info->f);
HDassert(idx_info->pline);
HDassert(!idx_info->pline->nused); /* Shouldn't have filter defined on entering here */
HDassert(idx_info->layout);
HDassert(idx_info->storage);
HDassert(H5F_addr_defined(idx_info->storage->idx_addr)); /* should be defined */
/* chunk size * max # of chunks */
nbytes = idx_info->layout->max_nchunks * idx_info->layout->size;
if (H5MF_xfree(idx_info->f, H5FD_MEM_DRAW, idx_info->storage->idx_addr, nbytes) < 0)
HGOTO_ERROR(H5E_DATASET, H5E_CANTFREE, H5_ITER_ERROR, "unable to free dataset chunks")
idx_info->storage->idx_addr = HADDR_UNDEF;
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5D__none_idx_delete() */
/*-------------------------------------------------------------------------
* Function: H5D__none_idx_copy_setup
*
* Purpose: Set up any necessary information for copying chunks
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Vailin Choi; Sept 2010
*
*-------------------------------------------------------------------------
*/
static herr_t
H5D__none_idx_copy_setup(const H5D_chk_idx_info_t H5_ATTR_NDEBUG_UNUSED *idx_info_src,
const H5D_chk_idx_info_t * idx_info_dst)
{
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_STATIC
/* Check args */
HDassert(idx_info_src);
HDassert(idx_info_src->f);
HDassert(idx_info_src->pline);
HDassert(!idx_info_src->pline->nused);
HDassert(idx_info_src->layout);
HDassert(idx_info_src->storage);
HDassert(H5F_addr_defined(idx_info_src->storage->idx_addr));
HDassert(idx_info_dst);
HDassert(idx_info_dst->f);
HDassert(idx_info_dst->pline);
HDassert(!idx_info_dst->pline->nused);
HDassert(idx_info_dst->layout);
HDassert(idx_info_dst->storage);
/* Set copied metadata tag */
H5_BEGIN_TAG(H5AC__COPIED_TAG);
/* Allocate dataset chunks in the dest. file */
if (H5D__none_idx_create(idx_info_dst) < 0)
HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, FAIL, "unable to initialize chunked storage")
/* Reset metadata tag */
H5_END_TAG
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5D__none_idx_copy_setup() */
/*-------------------------------------------------------------------------
* Function: H5D__none_idx_size
*
* Purpose: Retrieve the amount of index storage for chunked dataset
*
* Return: Success: Non-negative
* Failure: negative
*
* Programmer: Vailin Choi; Sept 2010
*
*-------------------------------------------------------------------------
*/
static herr_t
H5D__none_idx_size(const H5D_chk_idx_info_t H5_ATTR_UNUSED *idx_info, hsize_t *index_size)
{
FUNC_ENTER_STATIC_NOERR
/* Check args */
HDassert(index_size);
*index_size = 0;
FUNC_LEAVE_NOAPI(SUCCEED)
} /* end H5D__none_idx_size() */
/*-------------------------------------------------------------------------
* Function: H5D__none_idx_reset
*
* Purpose: Reset indexing information.
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Vailin Choi; Sept 2010
*
*-------------------------------------------------------------------------
*/
static herr_t
H5D__none_idx_reset(H5O_storage_chunk_t *storage, hbool_t reset_addr)
{
FUNC_ENTER_STATIC_NOERR
/* Check args */
HDassert(storage);
/* Reset index info */
if (reset_addr)
storage->idx_addr = HADDR_UNDEF;
FUNC_LEAVE_NOAPI(SUCCEED)
} /* end H5D__none_idx_reset() */
/*-------------------------------------------------------------------------
* Function: H5D__none_idx_dump
*
* Purpose: Dump
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Vailin Choi; September 2010
*
*-------------------------------------------------------------------------
*/
static herr_t
H5D__none_idx_dump(const H5O_storage_chunk_t *storage, FILE *stream)
{
FUNC_ENTER_STATIC_NOERR
/* Check args */
HDassert(storage);
HDassert(stream);
HDfprintf(stream, " Address: %a\n", storage->idx_addr);
FUNC_LEAVE_NOAPI(SUCCEED)
} /* end H5D__none_idx_dump() */
|