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/*@@
@file Write.c
@date Tue Oct 10 2000
@author Thomas Radke
@desc
File handling routines for IOStreamedHDF5.
@enddesc
@version $Id$
@@*/
#include <stdlib.h>
#include "cctk.h"
#include "cctk_Parameters.h"
#include "StoreNamedData.h"
#include "CactusBase/IOUtil/src/ioGH.h"
#include "BetaThorns/IOHDF5Util/src/ioHDF5UtilGH.h"
#include "ioStreamedHDF5GH.h"
/* the rcs ID and its dummy function to use it */
static const char *rcsid = "$Id$";
CCTK_FILEVERSION(BetaThorns_IOStreamedHDF5_Write_c)
/*@@
@routine IOStreamedHDF5_Write
@date Tue Oct 10 2000
@author Thomas Radke
@desc
Opens the HDF5 output file, calls the dump routine,
and closes it again.
@enddesc
@calls IOHDF5Util_DumpVar
@var GH
@vdesc Pointer to CCTK GH
@vtype cGH *
@vio in
@endvar
@var vindex
@vdesc index of variable
@vtype int
@vio in
@endvar
@var alias
@vdesc alias name of variable to output
@vtype const char *
@vio unused
@endvar
@@*/
void IOStreamedHDF5_Write (cGH *GH,
int vindex,
const char *alias)
{
DECLARE_CCTK_PARAMETERS
int timelevel;
int old_ioproc;
int old_nioprocs;
int old_ioproc_every;
char *fullname;
ioGH *ioUtilGH;
ioStreamedHDF5GH *myGH;
hid_t file, plist;
H5FD_stream_fapl_t fapl;
/* suppress compiler warnings about unused variables */
alias = alias;
/* first, check if variable has storage assigned */
if (! CCTK_QueryGroupStorageI (GH, CCTK_GroupIndexFromVarI (vindex)))
{
fullname = CCTK_FullName (vindex);
CCTK_VWarn (2, __LINE__, __FILE__, CCTK_THORNSTRING,
"No IOStreamedHDF5 output for '%s' (no storage)", fullname);
free (fullname);
return;
}
/* Get the handles for IO and IOStreamedHDF5 extensions */
ioUtilGH = (ioGH *) CCTK_GHExtension (GH, "IO");
myGH = (ioStreamedHDF5GH *) CCTK_GHExtension (GH, "IOStreamedHDF5");
/* for now we can only have IO mode "oneproc" */
if (ioUtilGH->nioprocs != 1)
{
CCTK_WARN (2, "Output into multiple chunked files not yet implemented. "
"Switching to IO mode \"oneproc\".");
}
old_ioproc = ioUtilGH->ioproc;
ioUtilGH->ioproc = 0;
old_nioprocs = ioUtilGH->nioprocs;
ioUtilGH->nioprocs = 1;
old_ioproc_every = ioUtilGH->ioproc_every;
ioUtilGH->ioproc_every = CCTK_nProcs (GH);
file = -1;
if (CCTK_MyProc (GH) == 0 && myGH->data_socket >= 0)
{
if (verbose)
{
CCTK_VInfo (CCTK_THORNSTRING, "Opening HDF5 output file "
"on data output port %d", data_port);
}
/* set file access property list to use the Stream VFD
and open the file */
fapl.increment = 0;
fapl.socket = myGH->data_socket;
fapl.do_socket_io = 1;
fapl.backlog = 5;
fapl.broadcast_fn = NULL;
fapl.broadcast_arg = NULL;
IOHDF5_ERROR (plist = H5Pcreate (H5P_FILE_ACCESS));
IOHDF5_ERROR (H5Pset_fapl_stream (plist, &fapl));
/* filename is not used if we pass a plist
but it must not be NULL or an empty string */
IOHDF5_ERROR (file = H5Fcreate ("unused", H5F_ACC_TRUNC, H5P_DEFAULT,
plist));
IOHDF5_ERROR (H5Pclose (plist));
}
/* get the current timelevel */
timelevel = CCTK_NumTimeLevelsFromVarI (vindex) - 1;
/* output the data */
IOHDF5Util_DumpVar (GH, vindex, timelevel, myGH->geo_output[vindex], file, 0);
/* close the file */
if (file >= 0)
{
if (verbose)
{
CCTK_INFO ("Closing HDF5 output file from this iteration");
}
IOHDF5_ERROR (H5Fclose (file));
}
/* restore original IO mode */
ioUtilGH->ioproc = old_ioproc;
ioUtilGH->nioprocs = old_nioprocs;
ioUtilGH->ioproc_every = old_ioproc_every;
}
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