diff options
Diffstat (limited to 'src/H5Pdcpl.c')
| -rw-r--r-- | src/H5Pdcpl.c | 316 |
1 files changed, 272 insertions, 44 deletions
diff --git a/src/H5Pdcpl.c b/src/H5Pdcpl.c index b1939ef..4787987 100644 --- a/src/H5Pdcpl.c +++ b/src/H5Pdcpl.c @@ -21,6 +21,7 @@ #include "H5Iprivate.h" /* IDs */ #include "H5MMprivate.h" /* Memory management */ #include "H5Ppkg.h" /* Property lists */ +#include "H5Zprivate.h" /* Data filters */ /* Pablo mask */ #define PABLO_MASK H5Pdcpl_mask @@ -221,7 +222,7 @@ H5Pget_chunk(hid_t plist_id, int max_ndims, hsize_t dim[]/*out*/) int i; int ndims; H5D_layout_t layout; - hsize_t chunk_size[32]; + hsize_t chunk_size[H5O_LAYOUT_NDIMS]; H5P_genplist_t *plist; /* Property list pointer */ int ret_value; @@ -461,6 +462,82 @@ done: /*------------------------------------------------------------------------- + * Function: H5Pmodify_filter + * + * Purpose: Modifies the specified FILTER in the + * transient or permanent output filter pipeline + * depending on whether PLIST is a dataset creation or dataset + * transfer property list. The FLAGS argument specifies certain + * general properties of the filter and is documented below. + * The CD_VALUES is an array of CD_NELMTS integers which are + * auxiliary data for the filter. The integer vlues will be + * stored in the dataset object header as part of the filter + * information. + * + * The FLAGS argument is a bit vector of the following fields: + * + * H5Z_FLAG_OPTIONAL(0x0001) + * If this bit is set then the filter is optional. If the + * filter fails during an H5Dwrite() operation then the filter + * is just excluded from the pipeline for the chunk for which it + * failed; the filter will not participate in the pipeline + * during an H5Dread() of the chunk. If this bit is clear and + * the filter fails then the entire I/O operation fails. + * + * Note: This function currently supports only the permanent filter + * pipeline. That is, PLIST_ID must be a dataset creation + * property list. + * + * Return: Non-negative on success/Negative on failure + * + * Programmer: Quincey Koziol + * Friday, April 5, 2003 + * + * Modifications: + * + *------------------------------------------------------------------------- + */ +herr_t +H5Pmodify_filter(hid_t plist_id, H5Z_filter_t filter, unsigned int flags, + size_t cd_nelmts, const unsigned int cd_values[/*cd_nelmts*/]) +{ + H5O_pline_t pline; + H5P_genplist_t *plist; /* Property list pointer */ + herr_t ret_value=SUCCEED; /* return value */ + + FUNC_ENTER_API(H5Pmodify_filter, FAIL); + H5TRACE5("e","iZfIuz*[a3]Iu",plist_id,filter,flags,cd_nelmts,cd_values); + + /* Check args */ + if (filter<0 || filter>H5Z_FILTER_MAX) + HGOTO_ERROR (H5E_ARGS, H5E_BADVALUE, FAIL, "invalid filter identifier"); + if (flags & ~((unsigned)H5Z_FLAG_DEFMASK)) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid flags"); + if (cd_nelmts>0 && !cd_values) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no client data values supplied"); + + /* Get the plist structure */ + if(NULL == (plist = H5P_object_verify(plist_id,H5P_DATASET_CREATE))) + HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID"); + + /* Get the pipeline property to append to */ + if(H5P_get(plist, H5D_CRT_DATA_PIPELINE_NAME, &pline) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get pipeline"); + + /* Modify the filter parameters of the I/O pipeline */ + if(H5Z_modify(&pline, filter, flags, cd_nelmts, cd_values) < 0) + HGOTO_ERROR(H5E_PLINE, H5E_CANTINIT, FAIL, "unable to add filter to pipeline"); + + /* Put the I/O pipeline information back into the property list */ + if(H5P_set(plist, H5D_CRT_DATA_PIPELINE_NAME, &pline) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set pipeline"); + +done: + FUNC_LEAVE_API(ret_value); +} /* end H5Pmodify_filter() */ + + +/*------------------------------------------------------------------------- * Function: H5Pset_filter * * Purpose: Adds the specified FILTER and corresponding properties to the @@ -512,13 +589,7 @@ H5Pset_filter(hid_t plist_id, H5Z_filter_t filter, unsigned int flags, FUNC_ENTER_API(H5Pset_filter, FAIL); H5TRACE5("e","iZfIuz*[a3]Iu",plist_id,filter,flags,cd_nelmts,cd_values); - /* Get the plist structure */ - if(NULL == (plist = H5P_object_verify(plist_id,H5P_DATASET_CREATE))) - HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID"); - - if(H5P_get(plist, H5D_CRT_DATA_PIPELINE_NAME, &pline) < 0) - HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get pipeline"); - + /* Check args */ if (filter<0 || filter>H5Z_FILTER_MAX) HGOTO_ERROR (H5E_ARGS, H5E_BADVALUE, FAIL, "invalid filter identifier"); if (flags & ~((unsigned)H5Z_FLAG_DEFMASK)) @@ -526,9 +597,19 @@ H5Pset_filter(hid_t plist_id, H5Z_filter_t filter, unsigned int flags, if (cd_nelmts>0 && !cd_values) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no client data values supplied"); - /* Do it */ + /* Get the plist structure */ + if(NULL == (plist = H5P_object_verify(plist_id,H5P_DATASET_CREATE))) + HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID"); + + /* Get the pipeline property to append to */ + if(H5P_get(plist, H5D_CRT_DATA_PIPELINE_NAME, &pline) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get pipeline"); + + /* Add the filter to the I/O pipeline */ if(H5Z_append(&pline, filter, flags, cd_nelmts, cd_values) < 0) HGOTO_ERROR(H5E_PLINE, H5E_CANTINIT, FAIL, "unable to add filter to pipeline"); + + /* Put the I/O pipeline information back into the property list */ if(H5P_set(plist, H5D_CRT_DATA_PIPELINE_NAME, &pline) < 0) HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set pipeline"); @@ -622,15 +703,37 @@ H5Pget_filter(hid_t plist_id, int idx, unsigned int *flags/*out*/, size_t *cd_nelmts/*in_out*/, unsigned cd_values[]/*out*/, size_t namelen, char name[]/*out*/) { - H5O_pline_t pline; - size_t i; + H5O_pline_t pline; /* Filter pipeline */ + H5Z_filter_info_t *filter; /* Pointer to filter information */ H5P_genplist_t *plist; /* Property list pointer */ + size_t i; /* Local index variable */ H5Z_filter_t ret_value; /* return value */ FUNC_ENTER_API(H5Pget_filter, H5Z_FILTER_ERROR); H5TRACE7("Zf","iIsx*zxzx",plist_id,idx,flags,cd_nelmts,cd_values,namelen, name); + /* Check args */ + if (cd_nelmts || cd_values) { + if (cd_nelmts && *cd_nelmts>256) + /* + * It's likely that users forget to initialize this on input, so + * we'll check that it has a reasonable value. The actual number + * is unimportant because the H5O layer will detect when a message + * is too large. + */ + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, H5Z_FILTER_ERROR, "probable uninitialized *cd_nelmts argument"); + if (cd_nelmts && *cd_nelmts>0 && !cd_values) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, H5Z_FILTER_ERROR, "client data values not supplied"); + + /* + * If cd_nelmts is null but cd_values is non-null then just ignore + * cd_values + */ + if (!cd_nelmts) + cd_values = NULL; + } + /* Get the plist structure */ if(NULL == (plist = H5P_object_verify(plist_id,H5P_DATASET_CREATE))) HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, H5Z_FILTER_ERROR, "can't find object for ID"); @@ -639,9 +742,84 @@ H5Pget_filter(hid_t plist_id, int idx, unsigned int *flags/*out*/, if(H5P_get(plist, H5D_CRT_DATA_PIPELINE_NAME, &pline) < 0) HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, H5Z_FILTER_ERROR, "can't get pipeline"); + /* Check more args */ if (idx<0 || (size_t)idx>=pline.nfilters) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, H5Z_FILTER_ERROR, "filter number is invalid"); + /* Set pointer to particular filter to query */ + filter=&pline.filter[idx]; + + if (flags) + *flags = filter->flags; + if (cd_values) { + for (i=0; i<filter->cd_nelmts && i<*cd_nelmts; i++) + cd_values[i] = filter->cd_values[i]; + } + if (cd_nelmts) + *cd_nelmts = filter->cd_nelmts; + + if (namelen>0 && name) { + const char *s = filter->name; + + if (!s) { + H5Z_class_t *cls = H5Z_find(filter->id); + + if (cls) + s = cls->name; + } + if (s) + HDstrncpy(name, s, namelen); + else + name[0] = '\0'; + } + + /* Set return value */ + ret_value=filter->id; + +done: + FUNC_LEAVE_API(ret_value); +} + + +/*------------------------------------------------------------------------- + * Function: H5Pget_filter_by_id + * + * Purpose: This is an additional query counterpart of H5Pset_filter() and + * returns information about a particular filter in a permanent + * or transient pipeline depending on whether PLIST_ID is a + * dataset creation or transfer property list. On input, + * CD_NELMTS indicates the number of entries in the CD_VALUES + * array allocated by the caller while on exit it contains the + * number of values defined by the filter. The ID should be the + * filter ID to retrieve the parameters for. If the filter is not + * set for the property list, an error will be returned. + * + * Return: Success: Non-negative + * Failure: Negative + * + * Programmer: Quincey Koziol + * Friday, April 5, 2003 + * + * Modifications: + * + *------------------------------------------------------------------------- + */ +herr_t +H5Pget_filter_by_id(hid_t plist_id, H5Z_filter_t id, unsigned int *flags/*out*/, + size_t *cd_nelmts/*in_out*/, unsigned cd_values[]/*out*/, + size_t namelen, char name[]/*out*/) +{ + H5O_pline_t pline; /* Filter pipeline */ + H5Z_filter_info_t *filter; /* Pointer to filter information */ + H5P_genplist_t *plist; /* Property list pointer */ + size_t i; /* Local index variable */ + herr_t ret_value=SUCCEED; /* Return value */ + + FUNC_ENTER_API(H5Pget_filter_by_id, FAIL); + H5TRACE7("e","iZfx*zxzx",plist_id,id,flags,cd_nelmts,cd_values,namelen, + name); + + /* Check args */ if (cd_nelmts || cd_values) { if (cd_nelmts && *cd_nelmts>256) /* @@ -650,9 +828,9 @@ H5Pget_filter(hid_t plist_id, int idx, unsigned int *flags/*out*/, * is unimportant because the H5O layer will detect when a message * is too large. */ - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, H5Z_FILTER_ERROR, "probable uninitialized *cd_nelmts argument"); + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "probable uninitialized *cd_nelmts argument"); if (cd_nelmts && *cd_nelmts>0 && !cd_values) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, H5Z_FILTER_ERROR, "client data values not supplied"); + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "client data values not supplied"); /* * If cd_nelmts is null but cd_values is non-null then just ignore @@ -662,20 +840,32 @@ H5Pget_filter(hid_t plist_id, int idx, unsigned int *flags/*out*/, cd_values = NULL; } + /* Get the plist structure */ + if(NULL == (plist = H5P_object_verify(plist_id,H5P_DATASET_CREATE))) + HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID"); + + /* Get pipeline info */ + if(H5P_get(plist, H5D_CRT_DATA_PIPELINE_NAME, &pline) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get pipeline"); + + /* Get pointer to filter in pipeline */ + if ((filter=H5Z_filter_info(&pline,id))==NULL) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "filter ID is invalid"); + + /* Copy filter information into user's parameters */ if (flags) - *flags = pline.filter[idx].flags; + *flags = filter->flags; if (cd_values) { - for (i=0; i<pline.filter[idx].cd_nelmts && i<*cd_nelmts; i++) - cd_values[i] = pline.filter[idx].cd_values[i]; + for (i=0; i<filter->cd_nelmts && i<*cd_nelmts; i++) + cd_values[i] = filter->cd_values[i]; } if (cd_nelmts) - *cd_nelmts = pline.filter[idx].cd_nelmts; - + *cd_nelmts = filter->cd_nelmts; if (namelen>0 && name) { - const char *s = pline.filter[idx].name; + const char *s = filter->name; if (!s) { - H5Z_class_t *cls = H5Z_find(pline.filter[idx].id); + H5Z_class_t *cls = H5Z_find(filter->id); if (cls) s = cls->name; @@ -686,12 +876,53 @@ H5Pget_filter(hid_t plist_id, int idx, unsigned int *flags/*out*/, name[0] = '\0'; } +done: + FUNC_LEAVE_API(ret_value); +} /* end H5Pget_filter_by_id() */ + + +/*------------------------------------------------------------------------- + * Function: H5Pall_filters_avail + * + * Purpose: This is a query routine to verify that all the filters set + * in the dataset creation property list are available currently. + * + * Return: Success: TRUE if all filters available, FALSE if one or + * more filters not currently available. + * Failure: FAIL on error + * + * Programmer: Quincey Koziol + * Tuesday, April 8, 2003 + * + * Modifications: + * + *------------------------------------------------------------------------- + */ +htri_t +H5Pall_filters_avail(hid_t plist_id) +{ + H5O_pline_t pline; /* Filter pipeline */ + H5P_genplist_t *plist; /* Property list pointer */ + hbool_t ret_value=TRUE; /* return value */ + + FUNC_ENTER_API(H5Pall_filters_avail, UFAIL); + H5TRACE1("b","i",plist_id); + + /* Get the plist structure */ + if(NULL == (plist = H5P_object_verify(plist_id,H5P_DATASET_CREATE))) + HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, UFAIL, "can't find object for ID"); + + /* Get pipeline info */ + if(H5P_get(plist, H5D_CRT_DATA_PIPELINE_NAME, &pline) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, UFAIL, "can't get pipeline"); + /* Set return value */ - ret_value=pline.filter[idx].id; + if((ret_value=H5Z_all_filters_avail(&pline))==UFAIL) + HGOTO_ERROR(H5E_PLIST, H5E_NOTFOUND, UFAIL, "can't check pipeline information"); done: FUNC_LEAVE_API(ret_value); -} +} /* end H5Pall_filters_avail() */ /*------------------------------------------------------------------------- @@ -747,8 +978,9 @@ H5Pset_deflate(hid_t plist_id, unsigned level) done: FUNC_LEAVE_API(ret_value); -} +} /* end H5Pset_deflate() */ + /*------------------------------------------------------------------------- * Function: H5Pset_szip * @@ -768,43 +1000,41 @@ done: *------------------------------------------------------------------------- */ herr_t -H5Pset_szip(hid_t plist_id, - int options_mask, - int bits_per_pixel, - int pixels_per_block, - int pixels_per_scanline) +H5Pset_szip(hid_t plist_id, unsigned options_mask, unsigned pixels_per_block) { H5O_pline_t pline; H5P_genplist_t *plist; /* Property list pointer */ - unsigned cd_values[4]; /* Filter parameters */ + unsigned cd_values[2]; /* Filter parameters */ herr_t ret_value=SUCCEED; /* return value */ FUNC_ENTER_API(H5Pset_szip, FAIL); - H5TRACE5("e","iIsIsIsIs",plist_id,options_mask,bits_per_pixel, - pixels_per_block,pixels_per_scanline); + H5TRACE3("e","iIuIu",plist_id,options_mask,pixels_per_block); + /* Check arguments */ + if ((pixels_per_block%2)==1 || pixels_per_block>H5_SZIP_MAX_PIXELS_PER_BLOCK) + HGOTO_ERROR (H5E_ARGS, H5E_BADVALUE, FAIL, "pixels_per_block is not even"); + /* Get the plist structure */ if(NULL == (plist = H5P_object_verify(plist_id,H5P_DATASET_CREATE))) HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID"); /* Set the parameters for the filter */ cd_values[0]=options_mask; - cd_values[1]=bits_per_pixel; - cd_values[2]=pixels_per_block; - cd_values[3]=pixels_per_scanline; + cd_values[1]=pixels_per_block; /* Add the filter */ if(H5P_get(plist, H5D_CRT_DATA_PIPELINE_NAME, &pline) < 0) HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get pipeline"); - if(H5Z_append(&pline, H5Z_FILTER_SZIP, H5Z_FLAG_OPTIONAL, 4, cd_values)<0) + if(H5Z_append(&pline, H5Z_FILTER_SZIP, H5Z_FLAG_OPTIONAL, 2, cd_values)<0) HGOTO_ERROR(H5E_PLINE, H5E_CANTINIT, FAIL, "unable to add szip filter to pipeline"); if(H5P_set(plist, H5D_CRT_DATA_PIPELINE_NAME, &pline) < 0) HGOTO_ERROR(H5E_PLINE, H5E_CANTINIT, FAIL, "unable to set pipeline"); done: FUNC_LEAVE_API(ret_value); -} +} /* end H5Pset_szip() */ + /*------------------------------------------------------------------------- * Function: H5Pset_shuffle * @@ -822,20 +1052,18 @@ done: *------------------------------------------------------------------------- */ herr_t -H5Pset_shuffle(hid_t plist_id, unsigned bytes_of_type) +H5Pset_shuffle(hid_t plist_id) { H5O_pline_t pline; H5P_genplist_t *plist; /* Property list pointer */ herr_t ret_value=SUCCEED; /* return value */ FUNC_ENTER_API(H5Pset_shuffle, FAIL); - H5TRACE2("e","iIu",plist_id,bytes_of_type); + H5TRACE1("e","i",plist_id); /* Check arguments */ if(TRUE != H5P_isa_class(plist_id, H5P_DATASET_CREATE)) HGOTO_ERROR (H5E_ARGS, H5E_BADTYPE, FAIL, "not a dataset creation property list"); - if (bytes_of_type == 0) - HGOTO_ERROR (H5E_ARGS, H5E_BADVALUE, FAIL, "number of bytes of datatype cannot be 0"); /* Get the plist structure */ if(NULL == (plist = H5I_object(plist_id))) @@ -844,16 +1072,16 @@ H5Pset_shuffle(hid_t plist_id, unsigned bytes_of_type) /* Add the filter */ if(H5P_get(plist, H5D_CRT_DATA_PIPELINE_NAME, &pline) < 0) HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get pipeline"); - if(H5Z_append(&pline, H5Z_FILTER_SHUFFLE, H5Z_FLAG_OPTIONAL, 1, &bytes_of_type)<0) + if(H5Z_append(&pline, H5Z_FILTER_SHUFFLE, H5Z_FLAG_OPTIONAL, 0, NULL)<0) HGOTO_ERROR(H5E_PLINE, H5E_CANTINIT, FAIL, "unable to shuffle the data"); if(H5P_set(plist, H5D_CRT_DATA_PIPELINE_NAME, &pline) < 0) HGOTO_ERROR(H5E_PLINE, H5E_CANTINIT, FAIL, "unable to set pipeline"); done: FUNC_LEAVE_API(ret_value); -} - +} /* end H5Pset_shuffle() */ + /*------------------------------------------------------------------------- * Function: H5Pset_fletcher32 * @@ -893,7 +1121,7 @@ H5Pset_fletcher32(hid_t plist_id) done: FUNC_LEAVE_API(ret_value); -} +} /* end H5Pset_fletcher32() */ /*------------------------------------------------------------------------- |