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Diffstat (limited to 'src/H5Dseq.c')
| -rw-r--r-- | src/H5Dseq.c | 268 |
1 files changed, 0 insertions, 268 deletions
diff --git a/src/H5Dseq.c b/src/H5Dseq.c deleted file mode 100644 index 044bc47..0000000 --- a/src/H5Dseq.c +++ /dev/null @@ -1,268 +0,0 @@ -/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * - * 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 files COPYING and Copyright.html. COPYING can be found at the root * - * of the source code distribution tree; Copyright.html can be found at the * - * root level of an installed copy of the electronic HDF5 document set and * - * is linked from the top-level documents page. It can also be found at * - * http://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have * - * access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. * - * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ - -/* - * Programmer: Quincey Koziol <koziol@ncsa.uiuc.edu> - * Thursday, September 28, 2000 - * - * Purpose: Provides I/O facilities for sequences of bytes stored with various - * layout policies. These routines are similar to the H5Farray.c routines, - * these deal in terms of byte offsets and lengths, not coordinates and - * hyperslab sizes. - * - */ - -#define H5D_PACKAGE /*suppress error about including H5Dpkg */ - -/* Pablo information */ -/* (Put before include files to avoid problems with inline functions) */ -#define PABLO_MASK H5Dseq_mask - -#include "H5private.h" /* Generic Functions */ -#include "H5Dpkg.h" /* Datasets */ -#include "H5Eprivate.h" /* Error handling */ -#include "H5Fprivate.h" /* Files */ -#include "H5FDprivate.h" /* File drivers */ -#include "H5Iprivate.h" /* IDs */ -#include "H5MFprivate.h" /* File space management */ -#include "H5MMprivate.h" /* Memory management */ -#include "H5Oprivate.h" /* Object headers */ -#include "H5Pprivate.h" /* Property lists */ -#include "H5Vprivate.h" /* Vector and array functions */ - - -/*------------------------------------------------------------------------- - * Function: H5D_seq_readvv - * - * Purpose: Reads in a vector of byte sequences from a file dataset into a - * buffer in in memory. The data is read from file F and the array's size - * and storage information is in LAYOUT. External files are described - * according to the external file list, EFL. The vector of byte sequences - * offsets is in the DSET_OFFSET array into the dataset (offsets are in - * terms of bytes) and the size of each sequence is in the SEQ_LEN array. - * The total size of the file array is implied in the LAYOUT argument. - * Bytes read into BUF are sequentially stored in the buffer, each sequence - * from the vector stored directly after the previous. The number of - * sequences is NSEQ. - * Purpose: Reads a vector of byte sequences from a vector of byte - * sequences in a file dataset into a buffer in memory. The data is - * read from file F and the array's size and storage information is in - * LAYOUT. External files and chunks are described according to the - * storage information, STORE. The vector of byte sequences offsets for - * the file is in the DSET_OFFSET_ARR array into the dataset (offsets are - * in terms of bytes) and the size of each sequence is in the DSET_LEN_ARR - * array. The vector of byte sequences offsets for memory is in the - * MEM_OFFSET_ARR array into the dataset (offsets are in terms of bytes) - * and the size of each sequence is in the MEM_LEN_ARR array. The total - * size of the file array is implied in the LAYOUT argument. The maximum - * number of sequences in the file dataset and the memory buffer are - * DSET_MAX_NSEQ & MEM_MAX_NSEQ respectively. The current sequence being - * operated on in the file dataset and the memory buffer are DSET_CURR_SEQ - * & MEM_CURR_SEQ respectively. The current sequence being operated on - * will be updated as a result of the operation, as will the offsets and - * lengths of the file dataset and memory buffer sequences. - * - * Return: Non-negative on success/Negative on failure - * - * Programmer: Quincey Koziol - * Wednesday, May 7, 2003 - * - * Modifications: - * - *------------------------------------------------------------------------- - */ -ssize_t -H5D_seq_readvv(H5F_t *f, const struct H5D_dxpl_cache_t *dxpl_cache, hid_t dxpl_id, - H5D_t *dset, const H5D_storage_t *store, - size_t dset_max_nseq, size_t *dset_curr_seq, size_t dset_len_arr[], hsize_t dset_offset_arr[], - size_t mem_max_nseq, size_t *mem_curr_seq, size_t mem_len_arr[], hsize_t mem_offset_arr[], - void *buf/*out*/) -{ - ssize_t ret_value; /* Return value */ - - FUNC_ENTER_NOAPI(H5D_seq_readvv, FAIL); - - /* Check args */ - assert(f); - assert(TRUE==H5P_isa_class(dxpl_id,H5P_DATASET_XFER)); /* Make certain we have the correct type of property list */ - assert(dset); - assert(dset_curr_seq); - assert(*dset_curr_seq<dset_max_nseq); - assert(dset_len_arr); - assert(dset_offset_arr); - assert(mem_curr_seq); - assert(*mem_curr_seq<mem_max_nseq); - assert(mem_len_arr); - assert(mem_offset_arr); - assert(buf); - - switch (dset->shared->layout.type) { - case H5D_CONTIGUOUS: - /* Read directly from file if the dataset is in an external file */ - if (store && store->efl.nused>0) { - /* Note: We can't use data sieve buffers for datasets in external files - * because the 'addr' of all external files is set to 0 (above) and - * all datasets in external files would alias to the same set of - * file offsets, totally mixing up the data sieve buffer information. -QAK - */ - if((ret_value=H5O_efl_readvv(&(store->efl), - dset_max_nseq, dset_curr_seq, dset_len_arr, dset_offset_arr, - mem_max_nseq, mem_curr_seq, mem_len_arr, mem_offset_arr, - buf))<0) - HGOTO_ERROR(H5E_IO, H5E_READERROR, FAIL, "external data read failed"); - } else { - /* Pass along the vector of sequences to read */ - if((ret_value=H5D_contig_readvv(f, dxpl_id, dset, - dset->shared->layout.u.contig.addr, dset->shared->layout.u.contig.size, - dset_max_nseq, dset_curr_seq, dset_len_arr, dset_offset_arr, - mem_max_nseq, mem_curr_seq, mem_len_arr, mem_offset_arr, - buf))<0) - HGOTO_ERROR(H5E_IO, H5E_READERROR, FAIL, "block read failed"); - } /* end else */ - break; - - case H5D_CHUNKED: - assert(store); - if((ret_value=H5D_istore_readvv(f, dxpl_cache, dxpl_id, dset, store, - dset_max_nseq, dset_curr_seq, dset_len_arr, dset_offset_arr, - mem_max_nseq, mem_curr_seq, mem_len_arr, mem_offset_arr, - buf))<0) - HGOTO_ERROR(H5E_IO, H5E_READERROR, FAIL, "istore read failed"); - break; - - case H5D_COMPACT: - /* Pass along the vector of sequences to read */ - if((ret_value=H5D_compact_readvv(f, dxpl_id, dset, - dset_max_nseq, dset_curr_seq, dset_len_arr, dset_offset_arr, - mem_max_nseq, mem_curr_seq, mem_len_arr, mem_offset_arr, - buf))<0) - HGOTO_ERROR(H5E_IO, H5E_READERROR, FAIL, "compact read failed"); - break; - - default: - assert("not implemented yet" && 0); - HGOTO_ERROR(H5E_IO, H5E_UNSUPPORTED, FAIL, "unsupported storage layout"); - } /* end switch() */ - -done: - FUNC_LEAVE_NOAPI(ret_value); -} /* H5D_seq_readvv() */ - - -/*------------------------------------------------------------------------- - * Function: H5D_seq_writevv - * - * Purpose: Writes a vector of byte sequences from a buffer in memory into - * a vector of byte sequences in a file dataset. The data is written to - * file F and the array's size and storage information is in LAYOUT. - * External files and chunks are described according to the storage - * information, STORE. The vector of byte sequences offsets for the file - * is in the DSET_OFFSET_ARR array into the dataset (offsets are in - * terms of bytes) and the size of each sequence is in the DSET_LEN_ARR - * array. The vector of byte sequences offsets for memory is in the - * MEM_OFFSET_ARR array into the dataset (offsets are in terms of bytes) - * and the size of each sequence is in the MEM_LEN_ARR array. The total - * size of the file array is implied in the LAYOUT argument. The maximum - * number of sequences in the file dataset and the memory buffer are - * DSET_MAX_NSEQ & MEM_MAX_NSEQ respectively. The current sequence being - * operated on in the file dataset and the memory buffer are DSET_CURR_SEQ - * & MEM_CURR_SEQ respectively. The current sequence being operated on - * will be updated as a result of the operation, as will the offsets and - * lengths of the file dataset and memory buffer sequences. - * - * Return: Non-negative on success/Negative on failure - * - * Programmer: Quincey Koziol - * Friday, May 2, 2003 - * - * Modifications: - * - *------------------------------------------------------------------------- - */ -ssize_t -H5D_seq_writevv(H5F_t *f, const struct H5D_dxpl_cache_t *dxpl_cache, - hid_t dxpl_id, struct H5D_t *dset, const H5D_storage_t *store, - size_t dset_max_nseq, size_t *dset_curr_seq, size_t dset_len_arr[], hsize_t dset_offset_arr[], - size_t mem_max_nseq, size_t *mem_curr_seq, size_t mem_len_arr[], hsize_t mem_offset_arr[], - const void *buf) -{ - ssize_t ret_value; /* Return value */ - - FUNC_ENTER_NOAPI(H5D_seq_writevv, FAIL); - - /* Check args */ - assert(f); - assert(TRUE==H5P_isa_class(dxpl_id,H5P_DATASET_XFER)); /* Make certain we have the correct type of property list */ - assert(dset); - assert(dset_curr_seq); - assert(*dset_curr_seq<dset_max_nseq); - assert(dset_len_arr); - assert(dset_offset_arr); - assert(mem_curr_seq); - assert(*mem_curr_seq<mem_max_nseq); - assert(mem_len_arr); - assert(mem_offset_arr); - assert(buf); - - switch (dset->shared->layout.type) { - case H5D_CONTIGUOUS: - /* Write directly to file if the dataset is in an external file */ - if (store && store->efl.nused>0) { - /* Note: We can't use data sieve buffers for datasets in external files - * because the 'addr' of all external files is set to 0 (above) and - * all datasets in external files would alias to the same set of - * file offsets, totally mixing up the data sieve buffer information. -QAK - */ - if ((ret_value=H5O_efl_writevv(&(store->efl), - dset_max_nseq, dset_curr_seq, dset_len_arr, dset_offset_arr, - mem_max_nseq, mem_curr_seq, mem_len_arr, mem_offset_arr, - buf))<0) - HGOTO_ERROR(H5E_IO, H5E_WRITEERROR, FAIL, "external data write failed"); - } else { - /* Pass along the vector of sequences to write */ - if ((ret_value=H5D_contig_writevv(f, dxpl_id, dset, - dset->shared->layout.u.contig.addr, dset->shared->layout.u.contig.size, - dset_max_nseq, dset_curr_seq, dset_len_arr, dset_offset_arr, - mem_max_nseq, mem_curr_seq, mem_len_arr, mem_offset_arr, - buf))<0) - HGOTO_ERROR(H5E_IO, H5E_WRITEERROR, FAIL, "block write failed"); - } /* end else */ - break; - - case H5D_CHUNKED: - assert(store); - if((ret_value=H5D_istore_writevv(f, dxpl_cache, dxpl_id, dset, store, - dset_max_nseq, dset_curr_seq, dset_len_arr, dset_offset_arr, - mem_max_nseq, mem_curr_seq, mem_len_arr, mem_offset_arr, - buf))<0) - HGOTO_ERROR(H5E_IO, H5E_WRITEERROR, FAIL, "istore write failed"); - break; - - case H5D_COMPACT: - /* Pass along the vector of sequences to write */ - if((ret_value=H5D_compact_writevv(f, dxpl_id, dset, - dset_max_nseq, dset_curr_seq, dset_len_arr, dset_offset_arr, - mem_max_nseq, mem_curr_seq, mem_len_arr, mem_offset_arr, - buf))<0) - HGOTO_ERROR(H5E_IO, H5E_WRITEERROR, FAIL, "compact write failed"); - break; - - default: - assert("not implemented yet" && 0); - HGOTO_ERROR(H5E_IO, H5E_UNSUPPORTED, FAIL, "unsupported storage layout"); - } /* end switch() */ - -done: - FUNC_LEAVE_NOAPI(ret_value); -} /* H5D_seq_writevv() */ |