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/*@@
@file ProcessParameterDatabase.c
@date Thu Sep 24 10:34:46 1998
@author Tom Goodale
@desc
Routines to determine the parameters and store them.
@enddesc
@version $Id$
@@*/
#include <errno.h>
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "cctk_Flesh.h"
#include "cctk_Parameter.h"
#include "cctk_WarnLevel.h"
#include "cctki_Parameter.h"
static const char *rcsid = "$Header$";
CCTK_FILEVERSION(main_ProcessParameterDatabase_c);
/********************************************************************
********************* Macro Definitions **************************
********************************************************************/
/* some systems (eg. Windows NT) don't define this macro */
#ifndef S_ISDIR
#define S_ISDIR(mode) (((mode) & S_IFMT) == S_IFDIR)
#endif
/********************************************************************
********************* Other Routine Prototypes *********************
********************************************************************/
int ParseFile (FILE *ifp,
int (*set_function) (const char *, const char *, int),
tFleshConfig *ConfigData);
void CCTKi_SetParameterSetMask (int mask);
/********************************************************************
********************* External Routines **********************
********************************************************************/
/*@@
@routine CCTKi_ProcessParameterDatabase
@date Thu Sep 24 10:37:07 1998
@author Tom Goodale
@desc
@enddesc
@calls CCTKi_SetParameterSetMask
CCTKi_NumParameterFileErrors
ParseFile
@var ConfigData
@vdesc Flesh configuration data
@vtype tFleshConfig *
@vio inout
@endvar
@returntype int
@returndesc
0 - success, or<BR>
-1 - unable to open parameter file
@endreturndesc
@@*/
int CCTKi_ProcessParameterDatabase (tFleshConfig *ConfigData)
{
int parse_errors;
int major, minor;
FILE *parameter_file;
struct stat statbuf;
CCTKi_SetParameterSetMask (PARAMETER_RECOVERY_PRE);
if (! strcmp (ConfigData->parameter_file_name, "-"))
{
parameter_file = stdin;
}
else if (!stat(ConfigData->parameter_file_name, &statbuf))
{
if(S_ISDIR(statbuf.st_mode))
{
parameter_file = NULL;
CCTK_VWarn (0, __LINE__, __FILE__, "Cactus",
"Cannot open parameter file '%s': it is a directory",
ConfigData->parameter_file_name);
}
else
{
parameter_file = fopen (ConfigData->parameter_file_name, "r");
}
}
else
{
/* Stat failed */
parameter_file = NULL;
switch(errno)
{
case ENOENT:
CCTK_VWarn (0, __LINE__, __FILE__, "Cactus",
"Cannot open parameter file '%s': file doesn't exist",
ConfigData->parameter_file_name);
break;
case ENOTDIR:
CCTK_VWarn (0, __LINE__, __FILE__, "Cactus",
"Cannot open parameter file '%s': the path is invalid",
ConfigData->parameter_file_name);
break;
#ifdef ELOOP
case ELOOP:
CCTK_VWarn (0, __LINE__, __FILE__, "Cactus",
"Cannot open parameter file '%s': too many symbolic links",
ConfigData->parameter_file_name);
break;
#endif /* ELOOP */
case EACCES:
CCTK_VWarn (0, __LINE__, __FILE__, "Cactus",
"Cannot open parameter file '%s': permission denied",
ConfigData->parameter_file_name);
break;
case ENAMETOOLONG:
CCTK_VWarn (0, __LINE__, __FILE__, "Cactus",
"Cannot open parameter file '%s': filename too long",
ConfigData->parameter_file_name);
break;
case ENOMEM:
CCTK_VWarn (0, __LINE__, __FILE__, "Cactus",
"Cannot open parameter file '%s': out of system memory",
ConfigData->parameter_file_name);
break;
default:
CCTK_VWarn (0, __LINE__, __FILE__, "Cactus",
"Cannot open parameter file '%s'",
ConfigData->parameter_file_name);
}
}
if (parameter_file == NULL)
{
CCTK_VWarn (0, __LINE__, __FILE__, "Cactus",
"Cannot open parameter file '%s'. "
"(This can also be an MPI problem; "
"e.g. you may be using the wrong version of 'mpirun', "
"or may have forgotten to call 'lamboot'.)",
ConfigData->parameter_file_name);
}
if (parameter_file)
{
parse_errors = ParseFile (parameter_file, CCTKi_SetParameter, ConfigData);
if (strcmp (ConfigData->parameter_file_name, "-"))
{
fclose (parameter_file);
}
if (parse_errors)
{
CCTK_VWarn (0, __LINE__, __FILE__, "Cactus",
"CCTKi_SetParameterSetMask: %d parsing errors in "
"parameter file", parse_errors);
}
minor = CCTKi_NumParameterFileErrors(1);
if (minor)
{
if (minor > 1)
{
CCTK_VWarn (1, __LINE__, __FILE__, "Cactus",
"CCTKi_SetParameterSetMask: %d minor errors in "
"parameter file", CCTKi_NumParameterFileErrors (1));
}
else
{
CCTK_VWarn (1, __LINE__, __FILE__, "Cactus",
"CCTKi_SetParameterSetMask: %d minor error in "
"parameter file", CCTKi_NumParameterFileErrors (1));
}
}
major = CCTKi_NumParameterFileErrors (0);
if (major)
{
if (major > 1)
{
CCTK_VWarn (0, __LINE__, __FILE__, "Cactus",
"CCTKi_SetParameterSetMask: %d major errors in "
"parameter file", CCTKi_NumParameterFileErrors (0));
}
else
{
CCTK_VWarn (0, __LINE__, __FILE__, "Cactus",
"CCTKi_SetParameterSetMask: %d major error in "
"parameter file", CCTKi_NumParameterFileErrors (0));
}
}
}
else
{
CCTK_VWarn(0, __LINE__, __FILE__, "Cactus",
"Unable to open parameter file '%s'\n",
ConfigData->parameter_file_name);
}
return (parameter_file ? 0 : -1);
}
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