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 /*@@
   @file      GHExtension.c
   @date      Fri May 21 1999
   @author    Thomas Radke
   @desc 
   StreamedHDF5 GH extension stuff.
   @enddesc 
   @history
   @hauthor Thomas Radke @hdate May 21 1999
   @hdesc Just copied from thorn FlexIO.
   @endhistory
 @@*/


/*#define DEBUG_IO*/

#include <stdlib.h>
#include <string.h>
#include <stdio.h>

#include "cctk.h"
#include "cctk_Parameters.h"
#include "CactusBase/IOUtil/src/ioGH.h"
#include "StreamedHDF5GH.h"


void *StreamedHDF5_SetupGH (tFleshConfig *config, int convergence_level, cGH *GH)
{
  int numvars;
  StreamedHDF5GH *newGH;


  numvars = CCTK_NumVars ();

  newGH = (StreamedHDF5GH *) malloc (sizeof (StreamedHDF5GH));
  newGH->do_output = (char *) malloc (numvars * sizeof (char));
  newGH->geo_output = (StreamGeo_t*) malloc (numvars * sizeof (StreamGeo_t));
  newGH->out_last = (int *) malloc (numvars * sizeof (int));

  /* save the original error printing routine and its argument */
  CACTUS_IOHDF5_ERROR (H5Eget_auto (&newGH->printErrorFn,
                                    &newGH->printErrorFnArg));

  /* predefine dataspaces for writing scalar and array attributes */
  /* the dimension of the array dataspace is set when used */
  CACTUS_IOHDF5_ERROR (newGH->scalarDataspace = H5Screate (H5S_SCALAR));
  CACTUS_IOHDF5_ERROR (newGH->arrayDataspace = H5Screate (H5S_SIMPLE));

  /* predefine a IOHDF5_COMPLEX datatype */
  CACTUS_IOHDF5_ERROR (newGH->IOHDF5_COMPLEX =
                       H5Tcreate (H5T_COMPOUND, sizeof (CCTK_COMPLEX)));
  CACTUS_IOHDF5_ERROR (H5Tinsert (newGH->IOHDF5_COMPLEX, "real",
                       offsetof (CCTK_COMPLEX, Re), IOHDF5_REAL));
  CACTUS_IOHDF5_ERROR (H5Tinsert (newGH->IOHDF5_COMPLEX, "imag",
                       offsetof (CCTK_COMPLEX, Im), IOHDF5_REAL));

  /* predefine a C string datatype */
  CACTUS_IOHDF5_ERROR (newGH->IOHDF5_STRING = H5Tcopy (H5T_C_S1));

  return (newGH);
}


int StreamedHDF5_InitGH (cGH *GH)
{
  DECLARE_CCTK_PARAMETERS
  int i;
  StreamedHDF5GH *myGH;
  const cParamData *paramdata;


  myGH = (StreamedHDF5GH *) GH->extensions [CCTK_GHExtensionHandle ("StreamedHDF5")];

  /* How often to output */
  myGH->out_every = out_every > 0 ? out_every : -1;
  if (outHDF5_every > 0)
    myGH->out_every = outHDF5_every;
  IOUtil_ParseVarsForOutput (out_vars, myGH->do_output);

  for (i = 0; i < CCTK_NumVars (); i++)
    myGH->out_last [i] = -1;

  return (0);
}