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/*@@
@routine Write.c
@date 18th September 1999
@author Gabrielle Allen
@desc
Writes scalar grid variable data.
@enddesc
@calls
@calledby
@history
@hauthor @hdate
@hdesc
@hendhistory
@@*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h> /* strlen(3) */
#include <sys/types.h>
#include <sys/stat.h> /* stat(2) */
#include "cctk.h"
#include "cctk_Parameters.h"
#include "CactusBase/IOUtil/src/ioutil_AdvertisedFiles.h"
#include "CactusBase/IOUtil/src/ioutil_CheckpointRecovery.h"
#include "iobasicGH.h"
void IOBasic_Write (cGH *GH, int vindex, const char *alias)
{
DECLARE_CCTK_PARAMETERS
char *openmode;
FILE *file;
void *data;
char *fname, buffer[128];
iobasicGH *myGH;
char format_str_real[15], format_str_int[15];
struct stat fileinfo;
/* output is done by processor 0 only */
if (CCTK_MyProc (GH) != 0)
{
return;
}
/* first, check if variable has storage assigned */
if (! CCTK_QueryGroupStorageI (GH, CCTK_GroupIndexFromVarI (vindex)))
{
char *fullname;
fullname = CCTK_FullName (vindex);
CCTK_VWarn (2, __LINE__, __FILE__, CCTK_THORNSTRING,
"IOBasic_Write: No scalar output for '%s' (no storage)",
fullname);
free (fullname);
return;
}
/* set the output format string for the desired notation */
sprintf (format_str_real, "%%%s\t%%%s\n", out_format, out_format);
sprintf (format_str_int, "%%%s\t%%d\n", out_format);
/* get the GH extensions for IOBasic */
myGH = (iobasicGH *) GH->extensions [CCTK_GHExtensionHandle ("IOBasic")];
/* build the output filename */
fname = (char *) malloc (strlen (myGH->outdirScalar) + strlen (alias) + 5);
sprintf (fname, "%s/%s.tl", myGH->outdirScalar, alias);
/* see if output files for this alias name were already created */
if (GetNamedData (myGH->filenameListScalar, fname) == NULL)
{
/* if restart from recovery, all existing files are opened
in append mode */
if (IOUtil_RestartFromRecovery (GH))
openmode = stat (fname, &fileinfo) == 0 ? "a" : "w";
else
openmode = "w";
}
else
{
openmode = "a";
}
/* open the output file with the given mode */
file = fopen (fname, openmode);
if (file == NULL)
{
CCTK_VWarn (1, __LINE__, __FILE__, CCTK_THORNSTRING,
"Could not open output file '%s'", fname);
free (fname);
return;
}
if (*openmode == 'w')
{
char comment_char;
ioAdvertisedFileDesc advertised_file;
if (CCTK_Equals (outScalar_style, "gnuplot"))
{
comment_char = '#';
advertised_file.mimetype = "application/gnuplot";
}
else
{
comment_char = '"'; /* this is for xgraph */
advertised_file.mimetype = "application/x-graph";
}
/* just store a non-NULL pointer in database */
StoreNamedData (&myGH->filenameListScalar, fname, (void *) 1);
/* advertise the file for downloading */
advertised_file.slice = "tl";
advertised_file.thorn = CCTK_THORNSTRING;
advertised_file.varname = CCTK_FullName (vindex);
advertised_file.description = "Scalar value";
IOUtil_AdvertiseFile (GH, fname, &advertised_file);
/* write the file info and the header */
if (CCTK_Equals (out_fileinfo, "parameter filename") ||
CCTK_Equals (out_fileinfo, "all"))
{
buffer[0] = 0;
CCTK_ParameterFilename (sizeof (buffer), buffer);
fprintf (file, "%cParameter file %s\n", comment_char, buffer);
}
if (CCTK_Equals (out_fileinfo, "creation date") ||
CCTK_Equals (out_fileinfo, "all"))
{
buffer[0] = 0;
Util_CurrentDate (sizeof (buffer), buffer);
fprintf (file, "%cCreated %s ", comment_char, buffer);
Util_CurrentTime (sizeof (buffer), buffer);
fprintf (file, "%s\n", buffer);
}
if (CCTK_Equals (out_fileinfo, "axis labels") ||
CCTK_Equals (out_fileinfo, "all"))
{
fprintf (file, "%cx-label time\n", comment_char);
fprintf (file, "%cy-label %s\n", comment_char, advertised_file.varname);
}
fprintf (file, "%c%s v time\n", comment_char, alias);
free (advertised_file.varname);
}
/* get the data pointer */
data = CCTK_VarDataPtrI (GH, 0, vindex);
switch (CCTK_VarTypeI (vindex))
{
case CCTK_VARIABLE_REAL:
fprintf (file, format_str_real, GH->cctk_time,
(double) *(CCTK_REAL *) data);
break;
case CCTK_VARIABLE_INT:
fprintf (file, format_str_int, GH->cctk_time,
(int) *(CCTK_INT *) data);
break;
default:
CCTK_WARN (3, "Unsupported data type");
break;
}
/* close the output file */
fclose (file);
/* clean up */
free (fname);
}
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