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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* 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. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#include "hdf5.h"
#include "h5test.h"
#include "h5repack.h"
/*-------------------------------------------------------------------------
* Function: has_filter
*
* Purpose: verify if a filter is present in the property list DCPL_ID
*
* Return: 1 has, 0 does not, -1 error
*
* Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu
*
* Date: December 19, 2003
*
*-------------------------------------------------------------------------
*/
int has_filter(hid_t dcpl_id,
H5Z_filter_t filtnin)
{
int nfilters; /* number of filters */
unsigned filt_flags; /* filter flags */
H5Z_filter_t filtn; /* filter identification number */
unsigned cd_values[20]; /* filter client data values */
size_t cd_nelmts; /* filter client number of values */
char f_name[256]; /* filter name */
int have=0; /* flag, filter is present */
int i; /* index */
/* if no information about the input filter is requested return exit */
if (filtnin==-1)
return 1;
/* get information about filters */
if ((nfilters = H5Pget_nfilters(dcpl_id))<0)
return -1;
for (i=0; i<nfilters; i++)
{
cd_nelmts = NELMTS(cd_values);
filtn = H5Pget_filter(dcpl_id,
i,
&filt_flags,
&cd_nelmts,
cd_values,
sizeof(f_name),
f_name);
if (filtnin==filtn)
have=1;
}
return have;
}
/*-------------------------------------------------------------------------
* Function: has_layout
*
* Purpose: verify which layout is present in the property list DCPL_ID
*
* H5D_COMPACT = 0
* H5D_CONTIGUOUS = 1
* H5D_CHUNKED = 2
*
* Return: 1 has, 0 does not, -1 error
*
* Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu
*
* Date: December 30, 2003
*
*-------------------------------------------------------------------------
*/
int has_layout(hid_t dcpl_id,
pack_info_t *obj)
{
hsize_t chsize[64]; /* chunk size in elements */
H5D_layout_t layout; /* layout */
int rank; /* rank */
int i; /* index */
/* if no information about the input layout is requested return exit */
if (obj==NULL)
return 1;
layout = H5Pget_layout(dcpl_id);
if (obj->layout != layout)
return 0;
if (layout==H5D_CHUNKED)
{
if ((rank = H5Pget_chunk(dcpl_id,NELMTS(chsize),chsize/*out*/))<0)
return -1;
if (obj->chunk.rank != rank)
return 0;
for ( i=0; i<rank; i++)
if (chsize[i] != obj->chunk.chunk_lengths[i])
return 0;
}
return 1;
}
/*-------------------------------------------------------------------------
* Function: h5repack_verify
*
* Purpose: verify if the filters specified in the options list are
* present on the OUTPUT file
*
* Return: 1=filter present, 0=filter not present, -1=error
*
* Programmer: Pedro Vicente, pvn@ncsa.uiuc.edu
*
* Date: December 19, 2003
*
*-------------------------------------------------------------------------
*/
int h5repack_verify(const char *fname,
pack_opt_t *options)
{
hid_t fid; /* file ID */
hid_t dset_id; /* dataset ID */
hid_t dcpl_id; /* dataset creation property list ID */
hid_t space_id; /* space ID */
int ret=1, i;
trav_table_t *travt=NULL;
/* open the file */
if ((fid=H5Fopen(fname,H5F_ACC_RDONLY,H5P_DEFAULT))<0 )
return -1;
for ( i=0; i<options->op_tbl->nelems; i++)
{
char* name=options->op_tbl->objs[i].path;
pack_info_t obj=options->op_tbl->objs[i];
/*-------------------------------------------------------------------------
* open
*-------------------------------------------------------------------------
*/
if ((dset_id=H5Dopen(fid,name))<0)
goto error;
if ((space_id=H5Dget_space(dset_id))<0)
goto error;
if ((dcpl_id=H5Dget_create_plist(dset_id))<0)
goto error;
/*-------------------------------------------------------------------------
* filter check
*-------------------------------------------------------------------------
*/
if (has_filter(dcpl_id,obj.filter.filtn)==0)
ret=0;
/*-------------------------------------------------------------------------
* layout check
*-------------------------------------------------------------------------
*/
if (has_layout(dcpl_id,&obj)==0)
ret=0;
/*-------------------------------------------------------------------------
* close
*-------------------------------------------------------------------------
*/
if (H5Pclose(dcpl_id)<0)
goto error;
if (H5Sclose(space_id)<0)
goto error;
if (H5Dclose(dset_id)<0)
goto error;
}
/*-------------------------------------------------------------------------
* check for the "all" objects option
*-------------------------------------------------------------------------
*/
if (options->all_filter==1 || options->all_layout==1)
{
/* init table */
trav_table_init(&travt);
/* get the list of objects in the file */
if (h5trav_gettable(fid,travt)<0)
goto error;
for ( i=0; i<travt->nobjs; i++)
{
char* name=travt->objs[i].name;
switch ( travt->objs[i].type )
{
case H5G_DATASET:
/*-------------------------------------------------------------------------
* open
*-------------------------------------------------------------------------
*/
if ((dset_id=H5Dopen(fid,name))<0)
goto error;
if ((space_id=H5Dget_space(dset_id))<0)
goto error;
if ((dcpl_id=H5Dget_create_plist(dset_id))<0)
goto error;
/*-------------------------------------------------------------------------
* filter check
*-------------------------------------------------------------------------
*/
if (options->all_filter==1){
if (has_filter(dcpl_id,options->filter_g.filtn)==0)
ret=0;
}
/*-------------------------------------------------------------------------
* layout check
*-------------------------------------------------------------------------
*/
if (options->all_layout==1){
pack_info_t pack;
pack.layout=options->layout_g;
pack.chunk=options->chunk_g;
if (has_layout(dcpl_id,&pack)==0)
ret=0;
}
/*-------------------------------------------------------------------------
* close
*-------------------------------------------------------------------------
*/
if (H5Pclose(dcpl_id)<0)
goto error;
if (H5Sclose(space_id)<0)
goto error;
if (H5Dclose(dset_id)<0)
goto error;
break;
default:
break;
} /* switch */
} /* i */
/* free table */
trav_table_free(travt);
}
/*-------------------------------------------------------------------------
* close
*-------------------------------------------------------------------------
*/
if (H5Fclose(fid)<0)
return -1;
return ret;
error:
H5E_BEGIN_TRY {
H5Pclose(dcpl_id);
H5Sclose(space_id);
H5Dclose(dset_id);
H5Fclose(fid);
trav_table_free(travt);
} H5E_END_TRY;
return -1;
}
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