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 /*@@
   @header    ioutil_CheckpointRecovery.h
   @date      Tue 19 Sep 2000
   @author    Thomas Radke
   @desc 
              Typedefs and function prototypes for checkpointing and recovery.
   @history
   @endhistory
   @version $Header$
 @@*/

#ifndef _IOUTIL_CHECKPOINTRECOVERY_H_
#define _IOUTIL_CHECKPOINTRECOVERY_H_


#ifdef __cplusplus
extern "C"
{
#endif


/* enums for checkpointing/recovery and filereader functions */
enum {CP_INITIAL_DATA, CP_EVOLUTION_DATA, CP_RECOVER_PARAMETERS,
      CP_RECOVER_DATA, FILEREADER_DATA};


/************************************************************************
 *
 *  Function prototypes
 *
 ************************************************************************/

/* create a checkpoint filename */
char *IOUtil_AssembleFilename (const cGH *GH,
                               const char *basefilename,
                               const char *postfix,
                               const char *extension,
                               int called_from,
                               int file_ioproc,
                               int file_unchunked);

/* register a new recovery method */
int IOUtil_RegisterRecover (const char *name,
                            int (*func) (cGH *, const char *, int));

/* recover variables from a list of data files */
int IOUtil_RecoverVarsFromDatafiles (cGH *GH,
                                     const char *in_files,
                                     const char *in_vars);

/* generic recovery routine called by other IO thorns */
int IOUtil_RecoverParameters (int (*recoverFn) (cGH *GH,
                                                const char *basefilename,
                                                int called_from),
                                                const char *fileExtension,
                                                const char *fileType);

/* return the parameter database as one single string */
char *IOUtil_GetAllParameters (const cGH *GH, int all);

/* set all parameters contained in the given string */
void IOUtil_SetAllParameters (const char *parameters);

/* print the checkpoint/recovery timings to stdout */
void IOUtil_PrintTimings (const char *description,
                          int ntimers,
                          const int *timers,
                          const char *const *const timer_descriptions);

#ifdef __cplusplus
}
#endif

#endif  /* _IOUTIL_CHECKPOINTRECOVERY_H_ */