diff options
Diffstat (limited to 'tools/src/h5repack/h5repack.c')
| -rw-r--r-- | tools/src/h5repack/h5repack.c | 942 |
1 files changed, 942 insertions, 0 deletions
diff --git a/tools/src/h5repack/h5repack.c b/tools/src/h5repack/h5repack.c new file mode 100644 index 0000000..ef2085c --- /dev/null +++ b/tools/src/h5repack/h5repack.c @@ -0,0 +1,942 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * 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 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://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have * + * access to either file, you may request a copy from help@hdfgroup.org. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ + +#include <stdlib.h> +#include <string.h> +#include <ctype.h> + +#include "H5private.h" +#include "h5repack.h" +#include "h5tools.h" +#include "h5tools_utils.h" + +/*------------------------------------------------------------------------- + * File: h5repack.c + * Purpose: Public API functions + *------------------------------------------------------------------------- + */ + +static int check_options(pack_opt_t *options); +static int check_objects(const char* fname, pack_opt_t *options); +static const char* get_sfilter(H5Z_filter_t filtn); +static int have_request(pack_opt_t *options); + +/*------------------------------------------------------------------------- + * Function: h5repack + * + * Purpose: locate all high-level HDF5 objects in the file + * and compress/chunk them using options + * + * Algorithm: 2 traversals are made to the file; the 1st builds a list of + * the objects, the 2nd makes a copy of them, using the options; + * the reason for the 1st traversal is to check for invalid + * object name requests + * + * Return: 0, ok, -1, fail + * + * Programmer: pvn@ncsa.uiuc.edu + * + * Date: September, 22, 2003 + * + *------------------------------------------------------------------------- + */ +int h5repack(const char* infile, const char* outfile, pack_opt_t *options) { + /* check input */ + if (check_options(options) < 0) + return -1; + + /* check for objects in input that are in the file */ + if (check_objects(infile, options) < 0) + return -1; + + /* copy the objects */ + if (copy_objects(infile, outfile, options) < 0) + return -1; + + return 0; +} + +/*------------------------------------------------------------------------- + * Function: h5repack_init + * + * Purpose: initialize options + * + * Return: 0, ok, -1, fail + * + *------------------------------------------------------------------------- + */ +int h5repack_init(pack_opt_t *options, int verbose, hbool_t latest, + H5F_file_space_type_t strategy, hsize_t threshold) { + int k, n; + + HDmemset(options, 0, sizeof(pack_opt_t)); + options->min_comp = 0; + options->verbose = verbose; + options->latest = latest; + options->layout_g = H5D_LAYOUT_ERROR; + + for (n = 0; n < H5_REPACK_MAX_NFILTERS; n++) { + options->filter_g[n].filtn = -1; + options->filter_g[n].cd_nelmts = 0; + for (k = 0; k < CD_VALUES; k++) + options->filter_g[n].cd_values[k] = 0; + } + + options->fs_strategy = strategy; + options->fs_threshold = threshold; + + return (options_table_init(&(options->op_tbl))); +} + +/*------------------------------------------------------------------------- + * Function: h5repack_end + * + * Purpose: free options table + * + *------------------------------------------------------------------------- + */ + +int h5repack_end(pack_opt_t *options) { + return options_table_free(options->op_tbl); +} + +/*------------------------------------------------------------------------- + * Function: h5repack_addfilter + * + * Purpose: add a compression -f option to table + * Example: -f dset:GZIP=6 + * + * Return: 0, ok, -1, fail + * + *------------------------------------------------------------------------- + */ +int +h5repack_addfilter(const char* str, pack_opt_t *options) +{ + obj_list_t *obj_list = NULL; /* one object list for the -f and -l option entry */ + filter_info_t filter; /* filter info for the current -f option entry */ + unsigned n_objs; /* number of objects in the current -f or -l option entry */ + int is_glb; /* is the filter global */ + + /* parse the -f option */ + if (NULL == (obj_list = parse_filter(str, &n_objs, &filter, options, &is_glb))) + return -1; + + /* if it applies to all objects */ + if (is_glb) { + int n; + + n = options->n_filter_g++; /* increase # of global filters */ + if (options->n_filter_g > H5_REPACK_MAX_NFILTERS) { + error_msg("maximum number of filters exceeded for <%s>\n", str); + HDfree(obj_list); + return -1; + } + + options->filter_g[n] = filter; + } + else + options_add_filter(obj_list, n_objs, filter, options->op_tbl); + + HDfree(obj_list); + return 0; +} + +/*------------------------------------------------------------------------- + * Function: h5repack_addlayout + * + * Purpose: add a layout option + * + * Return: 0, ok, -1, fail + * + *------------------------------------------------------------------------- + */ +int +h5repack_addlayout(const char* str, pack_opt_t *options) +{ + obj_list_t *obj_list = NULL; /*one object list for the -t and -c option entry */ + unsigned n_objs; /*number of objects in the current -t or -c option entry */ + pack_info_t pack; /*info about layout to extract from parse */ + int j; + int ret_value = -1; + + init_packobject(&pack); + + if (options->all_layout == 1) { + error_msg( "invalid layout input: 'all' option is present with other objects <%s>\n", str); + return ret_value; + } + + /* parse the layout option */ + obj_list = parse_layout(str, &n_objs, &pack, options); + if (obj_list) { + /* set layout option */ + options->layout_g = pack.layout; + + /* no individual dataset specified */ + if (options->all_layout == 1) { + if (pack.layout == H5D_CHUNKED) { + /* -2 means the NONE option, remove chunking + and set the global layout to contiguous */ + if (pack.chunk.rank == -2) + options->layout_g = H5D_CONTIGUOUS; + /* otherwise set the global chunking type */ + else { + options->chunk_g.rank = pack.chunk.rank; + for (j = 0; j < pack.chunk.rank; j++) + options->chunk_g.chunk_lengths[j] = pack.chunk.chunk_lengths[j]; + } + } + } + + /* individual dataset specified */ + if (options->all_layout == 0) + ret_value = options_add_layout(obj_list, n_objs, &pack, options->op_tbl); + + HDfree(obj_list); + ret_value = 0; + } + + return ret_value; +} + +/* Note: The below copy_named_datatype(), named_datatype_free(), copy_attr() + * were located in h5repack_copy.c as static prior to bugfix1726. + * Made shared functions as copy_attr() was needed in h5repack_refs.c. + * However copy_attr() may be obsoleted when H5Acopy is available and put back + * others to static in h5repack_copy.c. + */ +/*------------------------------------------------------------------------- + * Function: copy_named_datatype + * + * Purpose: Copies the specified datatype anonymously, and returns an open + * id for that datatype in the output file. The first time this + * is called it scans every named datatype in travt into a + * private stack, afterwards it simply scans that stack. The id + * returned must be closed after it is no longer needed. + * named_datatype_free must be called before the program exits + * to free the stack. + * + * Programmer: Neil Fortner + * + * Date: April 14, 2009 + * + *------------------------------------------------------------------------- + */ +hid_t copy_named_datatype(hid_t type_in, hid_t fidout, + named_dt_t **named_dt_head_p, trav_table_t *travt, pack_opt_t *options) { + named_dt_t *dt = *named_dt_head_p; /* Stack pointer */ + named_dt_t *dt_ret = NULL; /* Datatype to return */ + H5O_info_t oinfo; /* Object info of input dtype */ + hid_t ret_value = -1; /* The identifier of the named dtype in the out file */ + + if (H5Oget_info(type_in, &oinfo) < 0) + goto done; + + if (*named_dt_head_p) { + /* Stack already exists, search for the datatype */ + while (dt && dt->addr_in != oinfo.addr) + dt = dt->next; + + dt_ret = dt; + } + else { + /* Create the stack */ + size_t i; + + for (i = 0; i < travt->nobjs; i++) { + if (travt->objs[i].type == H5TRAV_TYPE_NAMED_DATATYPE) { + /* Push onto the stack */ + if (NULL == (dt = (named_dt_t *) HDmalloc(sizeof(named_dt_t)))) { + goto done; + } + dt->next = *named_dt_head_p; + *named_dt_head_p = dt; + + /* Update the address and id */ + dt->addr_in = travt->objs[i].objno; + dt->id_out = -1; + + /* Check if this type is the one requested */ + if (oinfo.addr == dt->addr_in) { + HDassert(!dt_ret); + dt_ret = dt; + } /* end if */ + } /* end if */ + } /* end for */ + } /* end else */ + + /* Handle the case that the requested datatype was not found. This is + * possible if the datatype was committed anonymously in the input file. */ + if (!dt_ret) { + /* Push the new datatype onto the stack */ + if (NULL == (dt_ret = (named_dt_t *) HDmalloc(sizeof(named_dt_t)))) { + goto done; + } + dt_ret->next = *named_dt_head_p; + *named_dt_head_p = dt_ret; + + /* Update the address and id */ + dt_ret->addr_in = oinfo.addr; + dt_ret->id_out = -1; + } /* end if */ + + /* If the requested datatype does not yet exist in the output file, copy it + * anonymously */ + if (dt_ret->id_out < 0) { + if (options->use_native == 1) + dt_ret->id_out = h5tools_get_native_type(type_in); + else + dt_ret->id_out = H5Tcopy(type_in); + if (dt_ret->id_out < 0) + goto done; + if (H5Tcommit_anon(fidout, dt_ret->id_out, H5P_DEFAULT, H5P_DEFAULT) < 0) + goto done; + } /* end if */ + + /* Set return value */ + ret_value = dt_ret->id_out; + + /* Increment the ref count on id_out, because the calling function will try + * to close it */ + if(H5Iinc_ref(ret_value) < 0) { + ret_value = -1; + } + +done: + return (ret_value); +} /* end copy_named_datatype */ + +/*------------------------------------------------------------------------- + * Function: named_datatype_free + * + * Purpose: Frees the stack of named datatypes. + * + * Programmer: Neil Fortner + * + * Date: April 14, 2009 + * + *------------------------------------------------------------------------- + */ +int named_datatype_free(named_dt_t **named_dt_head_p, int ignore_err) { + named_dt_t *dt = *named_dt_head_p; + int ret_value = -1; + + while (dt) { + /* Pop the datatype off the stack and free it */ + if (H5Tclose(dt->id_out) < 0 && !ignore_err) + goto done; + dt = dt->next; + HDfree(*named_dt_head_p); + *named_dt_head_p = dt; + } /* end while */ + + ret_value = 0; + +done: + return (ret_value); +} /* end named_datatype_free */ + +/*------------------------------------------------------------------------- + * Function: copy_attr + * + * Purpose: copy attributes located in LOC_IN, which is obtained either from + * loc_id = H5Gopen2( fid, name); + * loc_id = H5Dopen2( fid, name); + * loc_id = H5Topen2( fid, name); + * + * Return: 0, ok, -1 no + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: October, 28, 2003 + * + *------------------------------------------------------------------------- + */ +int +copy_attr(hid_t loc_in, hid_t loc_out, named_dt_t **named_dt_head_p, + trav_table_t *travt, pack_opt_t *options) +{ + int ret_value = 0; /*no need to LEAVE() on ERROR: HERR_INIT(int, SUCCEED) */ + hid_t attr_id = -1; /* attr ID */ + hid_t attr_out = -1; /* attr ID */ + hid_t space_id = -1; /* space ID */ + hid_t ftype_id = -1; /* file type ID */ + hid_t wtype_id = -1; /* read/write type ID */ + size_t msize; /* size of type */ + void *buf = NULL; /* data buffer */ + hsize_t nelmts; /* number of elements in dataset */ + int rank; /* rank of dataset */ + htri_t is_named; /* Whether the datatype is named */ + hsize_t dims[H5S_MAX_RANK];/* dimensions of dataset */ + char name[255]; + H5O_info_t oinfo; /* object info */ + int j; + unsigned u; + hbool_t is_ref = 0; + H5T_class_t type_class = -1; + + if (H5Oget_info(loc_in, &oinfo) < 0) + HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "H5Oget_info failed"); + + /*------------------------------------------------------------------------- + * copy all attributes + *------------------------------------------------------------------------- + */ + for (u = 0; u < (unsigned) oinfo.num_attrs; u++) { + /* open attribute */ + if ((attr_id = H5Aopen_by_idx(loc_in, ".", H5_INDEX_CRT_ORDER, H5_ITER_INC, (hsize_t) u, H5P_DEFAULT, H5P_DEFAULT)) < 0) + HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "H5Aopen_by_idx failed"); + + /* get name */ + if (H5Aget_name(attr_id, (size_t) 255, name) < 0) + HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "H5Pclose failed"); + + /* get the file datatype */ + if ((ftype_id = H5Aget_type(attr_id)) < 0) + HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "H5Aget_type failed"); + + /* Check if the datatype is committed */ + if ((is_named = H5Tcommitted(ftype_id)) < 0) + HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "H5Tcommitted failed"); + if (is_named && travt) { + hid_t fidout; + + /* Create out file id */ + if ((fidout = H5Iget_file_id(loc_out)) < 0) + HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "H5Iget_file_id failed"); + + /* Copy named dt */ + if ((wtype_id = copy_named_datatype(ftype_id, fidout, named_dt_head_p, travt, options)) < 0) { + H5Fclose(fidout); + HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "copy_named_datatype failed"); + } /* end if */ + + if (H5Fclose(fidout) < 0) + HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "H5Fclose failed"); + } /* end if */ + else { + if (options->use_native == 1) + wtype_id = h5tools_get_native_type(ftype_id); + else + wtype_id = H5Tcopy(ftype_id); + } /* end else */ + + /* get the dataspace handle */ + if ((space_id = H5Aget_space(attr_id)) < 0) + HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "H5Aget_space failed"); + + /* get dimensions */ + if ((rank = H5Sget_simple_extent_dims(space_id, dims, NULL)) < 0) + HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "H5Sget_simple_extent_dims failed"); + + nelmts = 1; + for (j = 0; j < rank; j++) + nelmts *= dims[j]; + + if ((msize = H5Tget_size(wtype_id)) == 0) + HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "H5Tget_size failed"); + + /*------------------------------------------------------------------------- + * object references are a special case. We cannot just copy the buffers, + * but instead we recreate the reference. + * This is done on a second sweep of the file that just copies the referenced + * objects at copy_refs_attr() + *------------------------------------------------------------------------- + */ + type_class = H5Tget_class(wtype_id); + is_ref = (type_class == H5T_REFERENCE); + if (type_class == H5T_VLEN || type_class == H5T_ARRAY) { + hid_t base_type = -1; + + base_type = H5Tget_super(ftype_id); + is_ref = (is_ref || (H5Tget_class(base_type) == H5T_REFERENCE)); + H5Tclose(base_type); + } + + if (type_class == H5T_COMPOUND) { + int nmembers = H5Tget_nmembers(wtype_id); + + for (j = 0; j < nmembers; j++) { + hid_t mtid = H5Tget_member_type(wtype_id, (unsigned) j); + H5T_class_t mtclass = H5Tget_class(mtid); + H5Tclose(mtid); + + if (mtclass == H5T_REFERENCE) { + is_ref = 1; + break; + } + } /* for (j=0; i<nmembers; j++) */ + } /* if (type_class == H5T_COMPOUND) */ + + if (is_ref) { + ; /* handled by copy_refs_attr() */ + } + else { + /*------------------------------------------------------------------------- + * read to memory + *------------------------------------------------------------------------- + */ + + buf = (void *) HDmalloc((size_t)(nelmts * msize)); + if (buf == NULL) { + error_msg("h5repack", "cannot read into memory\n"); + HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "HDmalloc failed"); + } /* end if */ + if (H5Aread(attr_id, wtype_id, buf) < 0) + HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "H5Aread failed"); + + /*------------------------------------------------------------------------- + * copy + *------------------------------------------------------------------------- + */ + + if ((attr_out = H5Acreate2(loc_out, name, wtype_id, space_id, H5P_DEFAULT, H5P_DEFAULT)) < 0) + HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "H5Acreate2 failed"); + if (H5Awrite(attr_out, wtype_id, buf) < 0) + HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "H5Awrite failed"); + + /*close*/ + if (H5Aclose(attr_out) < 0) + HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "H5Aclose failed"); + + /* Check if we have VL data and string in the attribute's datatype that must + * be reclaimed */ + if (TRUE == h5tools_detect_vlen(wtype_id)) + H5Dvlen_reclaim(wtype_id, space_id, H5P_DEFAULT, buf); + HDfree(buf); + buf = NULL; + } /*H5T_REFERENCE*/ + + if (options->verbose) + printf(FORMAT_OBJ_ATTR, "attr", name); + + /*------------------------------------------------------------------------- + * close + *------------------------------------------------------------------------- + */ + + if (H5Tclose(ftype_id) < 0) + HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "H5Tclose failed"); + if (H5Tclose(wtype_id) < 0) + HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "H5Tclose failed"); + if (H5Sclose(space_id) < 0) + HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "H5Sclose failed"); + if (H5Aclose(attr_id) < 0) + HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "H5Aclose failed"); + } /* u */ + + return 0; + +done: + H5E_BEGIN_TRY { + if (buf) { + /* Check if we have VL data and string in the attribute's datatype that must + * be reclaimed */ + if (TRUE == h5tools_detect_vlen(wtype_id)) + H5Dvlen_reclaim(wtype_id, space_id, H5P_DEFAULT, buf); + + /* Free buf */ + HDfree(buf); + } /* end if */ + + H5Tclose(ftype_id); + H5Tclose(wtype_id); + H5Sclose(space_id); + H5Aclose(attr_id); + H5Aclose(attr_out); + } H5E_END_TRY; + + return ret_value; +} /* end copy_attr() */ + +/*------------------------------------------------------------------------- + * Function: check_options + * + * Purpose: print options, checks for invalid options + * + * Return: void, return -1 on error + * + * Programmer: pvn@ncsa.uiuc.edu + * + * Date: September, 22, 2003 + * + * Modification: + * Peter Cao, July 9, 2007 + * Add "-L, --latest" and other options to pack a file with the latest file format + * + *------------------------------------------------------------------------- + */ +static int check_options(pack_opt_t *options) { + unsigned int i; + int k, j, has_cp = 0, has_ck = 0; + char slayout[30]; + + /*------------------------------------------------------------------------- + * objects to layout + *------------------------------------------------------------------------- + */ + if (options->verbose && have_request(options) /* only print if requested */) { + printf("Objects to modify layout are...\n"); + if (options->all_layout == 1) { + switch (options->layout_g) { + case H5D_COMPACT: + strcpy(slayout, "compact"); + break; + case H5D_CONTIGUOUS: + strcpy(slayout, "contiguous"); + break; + case H5D_CHUNKED: + strcpy(slayout, "chunked"); + break; + case H5D_VIRTUAL: + strcpy(slayout, "virtual"); + break; + case H5D_LAYOUT_ERROR: + case H5D_NLAYOUTS: + error_msg("invalid layout\n"); + return -1; + default: + strcpy(slayout, "invalid layout\n"); + return -1; + } + printf(" Apply %s layout to all\n", slayout); + if (H5D_CHUNKED == options->layout_g) { + printf("with dimension ["); + for (j = 0; j < options->chunk_g.rank; j++) + printf("%d ", (int) options->chunk_g.chunk_lengths[j]); + printf("]\n"); + } + } + }/* verbose */ + + for (i = 0; i < options->op_tbl->nelems; i++) { + char* name = options->op_tbl->objs[i].path; + + if (options->op_tbl->objs[i].chunk.rank > 0) { + if (options->verbose) { + printf(" <%s> with chunk size ", name); + for (k = 0; k < options->op_tbl->objs[i].chunk.rank; k++) + printf("%d ", + (int) options->op_tbl->objs[i].chunk.chunk_lengths[k]); + printf("\n"); + } + has_ck = 1; + } + else if (options->op_tbl->objs[i].chunk.rank == -2) { + if (options->verbose) + printf(" <%s> %s\n", name, "NONE (contigous)"); + has_ck = 1; + } + } + + if (options->all_layout == 1 && has_ck) { + error_msg( + "invalid chunking input: 'all' option\ + is present with other objects\n"); + return -1; + } + + /*------------------------------------------------------------------------- + * objects to filter + *------------------------------------------------------------------------- + */ + + if (options->verbose && have_request(options) /* only print if requested */) { + printf("Objects to apply filter are...\n"); + if (options->all_filter == 1) { + for (k = 0; k < options->n_filter_g; k++) { + H5Z_filter_t filtn = options->filter_g[k].filtn; + switch (filtn) { + case H5Z_FILTER_NONE: + printf(" Uncompress all\n"); + break; + case H5Z_FILTER_SHUFFLE: + case H5Z_FILTER_FLETCHER32: + printf(" All with %s\n", get_sfilter(filtn)); + break; + case H5Z_FILTER_SZIP: + case H5Z_FILTER_DEFLATE: + printf(" All with %s, parameter %d\n", get_sfilter(filtn), + options->filter_g[k].cd_values[0]); + break; + default: + printf(" User Defined %d\n", filtn); + break; + } /* k */ + }; + } + } /* verbose */ + + for (i = 0; i < options->op_tbl->nelems; i++) { + pack_info_t pack = options->op_tbl->objs[i]; + char* name = pack.path; + + for (j = 0; j < pack.nfilters; j++) { + if (options->verbose) { + printf(" <%s> with %s filter\n", name, + get_sfilter(pack.filter[j].filtn)); + } + + has_cp = 1; + + } /* j */ + } /* i */ + + if (options->all_filter == 1 && has_cp) { + error_msg( + "invalid compression input: 'all' option\ + is present with other objects\n"); + return -1; + } + + /*------------------------------------------------------------------------- + * check options for the latest format + *------------------------------------------------------------------------- + */ + + if (options->grp_compact < 0) { + error_msg( + "invalid maximum number of links to store as header messages\n"); + return -1; + } + if (options->grp_indexed < 0) { + error_msg( + "invalid minimum number of links to store in the indexed format\n"); + return -1; + } + if (options->grp_indexed > options->grp_compact) { + error_msg( + "minimum indexed size is greater than the maximum compact size\n"); + return -1; + } + for (i = 0; i < 8; i++) { + if (options->msg_size[i] < 0) { + error_msg("invalid shared message size\n"); + return -1; + } + } + + /*-------------------------------------------------------------------------------- + * verify new user userblock options; file name must be present + *--------------------------------------------------------------------------------- + */ + if (options->ublock_filename != NULL && options->ublock_size == 0) { + if (options->verbose) { + printf( + "Warning: user block size missing for file %s. Assigning a default size of 1024...\n", + options->ublock_filename); + options->ublock_size = 1024; + } + } + + if (options->ublock_filename == NULL && options->ublock_size != 0) { + error_msg("file name missing for user block\n", + options->ublock_filename); + return -1; + } + + /*-------------------------------------------------------------------------------- + * verify alignment options; threshold is zero default but alignment not + *--------------------------------------------------------------------------------- + */ + + if (options->alignment == 0 && options->threshold != 0) { + error_msg("alignment for H5Pset_alignment missing\n"); + return -1; + } + + return 0; +} + +/*------------------------------------------------------------------------- + * Function: check_objects + * + * Purpose: locate all HDF5 objects in the file and compare with user + * supplied list + * + * Return: 0, ok, -1 no + * + * Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu + * + * Date: September, 23, 2003 + * + *------------------------------------------------------------------------- + */ +static int check_objects(const char* fname, pack_opt_t *options) { + hid_t fid; + unsigned int i; + trav_table_t *travt = NULL; + + /* nothing to do */ + if (options->op_tbl->nelems == 0) + return 0; + + /*------------------------------------------------------------------------- + * open the file + *------------------------------------------------------------------------- + */ + if ((fid = h5tools_fopen(fname, H5F_ACC_RDONLY, H5P_DEFAULT, NULL, NULL, 0)) + < 0) { + printf("<%s>: %s\n", fname, H5FOPENERROR); + return -1; + } + + /*------------------------------------------------------------------------- + * get the list of objects in the file + *------------------------------------------------------------------------- + */ + + /* init table */ + trav_table_init(&travt); + + /* get the list of objects in the file */ + if (h5trav_gettable(fid, travt) < 0) + goto out; + + /*------------------------------------------------------------------------- + * compare with user supplied list + *------------------------------------------------------------------------- + */ + + if (options->verbose) + printf("Opening file <%s>. Searching for objects to modify...\n", + fname); + + for (i = 0; i < options->op_tbl->nelems; i++) { + char* name = options->op_tbl->objs[i].path; + if (options->verbose) + printf(" <%s>", name); + + /* the input object names are present in the file and are valid */ + if (h5trav_getindext(name, travt) < 0) { + error_msg("%s Could not find <%s> in file <%s>. Exiting...\n", + (options->verbose ? "\n" : ""), name, fname); + goto out; + } + if (options->verbose) + printf("...Found\n"); + + /* check for extra filter conditions */ + switch (options->op_tbl->objs[i].filter->filtn) { + /* chunk size must be smaller than pixels per block */ + case H5Z_FILTER_SZIP: + { + int j; + hsize_t csize = 1; + unsigned ppb = options->op_tbl->objs[i].filter->cd_values[0]; + hsize_t dims[H5S_MAX_RANK]; + int rank; + hid_t did; + hid_t sid; + + if (options->op_tbl->objs[i].chunk.rank > 0) { + rank = options->op_tbl->objs[i].chunk.rank; + for (j = 0; j < rank; j++) + csize *= options->op_tbl->objs[i].chunk.chunk_lengths[j]; + } + else { + if ((did = H5Dopen2(fid, name, H5P_DEFAULT)) < 0) + goto out; + if ((sid = H5Dget_space(did)) < 0) + goto out; + if ((rank = H5Sget_simple_extent_ndims(sid)) < 0) + goto out; + HDmemset(dims, 0, sizeof dims); + if (H5Sget_simple_extent_dims(sid, dims, NULL) < 0) + goto out; + for (j = 0; j < rank; j++) + csize *= dims[j]; + if (H5Sclose(sid) < 0) + goto out; + if (H5Dclose(did) < 0) + goto out; + } + + if (csize < ppb) { + printf( + " <warning: SZIP settins, chunk size is smaller than pixels per block>\n"); + goto out; + } + } + break; + default: + break; + } + } /* i */ + + /*------------------------------------------------------------------------- + * close + *------------------------------------------------------------------------- + */ + H5Fclose(fid); + trav_table_free(travt); + return 0; + +out: + H5Fclose(fid); + trav_table_free(travt); + return -1; +} + +/*------------------------------------------------------------------------- + * Function: have_request + * + * Purpose: check if a filter or layout was requested + * + * Return: 1 yes, 0 no + * + * Date: May, 24, 2007 + * + *------------------------------------------------------------------------- + */ +static int have_request(pack_opt_t *options) { + + if (options->all_filter || options->all_layout || options->op_tbl->nelems) + return 1; + + return 0; + +} + +/*------------------------------------------------------------------------- + * Function: get_sfilter + * + * Purpose: return the filter as a string name + * + * Return: name of filter, exit on error + * + *------------------------------------------------------------------------- + */ + +static const char* get_sfilter(H5Z_filter_t filtn) { + if (filtn == H5Z_FILTER_NONE) + return "NONE"; + else if (filtn == H5Z_FILTER_DEFLATE) + return "GZIP"; + else if (filtn == H5Z_FILTER_SZIP) + return "SZIP"; + else if (filtn == H5Z_FILTER_SHUFFLE) + return "SHUFFLE"; + else if (filtn == H5Z_FILTER_FLETCHER32) + return "FLETCHER32"; + else if (filtn == H5Z_FILTER_NBIT) + return "NBIT"; + else if (filtn == H5Z_FILTER_SCALEOFFSET) + return "SOFF"; + else + return "UD"; +} + |