[ET Trac] [Einstein Toolkit] #716: Adding steerable checkpoint directories

[Einstein Toolkit]

#716: Adding steerable checkpoint directories
--------------------+-------------------------------------------------------
 Reporter:  ashley  |        Type:  enhancement
   Status:  new     |    Priority:  minor      
Milestone:          |   Component:  Other      
  Version:          |    Keywords:             
--------------------+-------------------------------------------------------
 Hello!

 With help from Frank and Erik I wrote a quick patch to enable steerable
 checkpoint directories in IOUtil.  Here is what it looks like:

 Index: param.ccl
 ===================================================================
 --- param.ccl   (revision 285)
 +++ param.ccl   (working copy)
 @@ -167,7 +167,7 @@
  {
    ".+" :: "A valid filename"
  } "checkpoint.chkpt"
 -STRING checkpoint_dir "Output directory for checkpoint files" STEERABLE =
 RECOVER
 +STRING checkpoint_dir "Output directory for checkpoint files" STEERABLE =
 ALWAYS
  {
    ".+" :: "A valid directory name"
  } "."

 Index: CheckpointRecovery.c
 ===================================================================
 --- CheckpointRecovery.c        (revision 285)
 +++ CheckpointRecovery.c        (working copy)
 @@ -200,8 +200,8 @@
    char *filename;
    const char *dir, *basename;
    char iteration_postfix[32], filenumber_postfix[32];
 +  int ierr;

 -
    /* get the right parameters */
    dir = basename = NULL;
    switch (called_from)
 @@ -209,11 +209,17 @@
      case CP_INITIAL_DATA:
        dir = checkpoint_dir;
        basename = checkpoint_ID_file;
 +      ierr = CCTK_CreateDirectory(0755, checkpoint_dir);
 +      if(ierr<0)
 +       CCTK_VWarn(0, __LINE__, __FILE__, "Checkpoint directory %s could
 not be created", checkpoint_dir);
        break;

      case CP_EVOLUTION_DATA:
        dir = checkpoint_dir;
        basename = checkpoint_file;
 +      ierr = CCTK_CreateDirectory(0755, checkpoint_dir);
 +      if(ierr<0)
 +       CCTK_VWarn(0, __LINE__, __FILE__, "Checkpoint directory %s could
 not be created", checkpoint_dir);
        break;

      case CP_RECOVER_DATA:

 I'm not 100% sure that this will work out in all cases, but I thought I'd
 put this here in case it was useful :)

-- 
Ticket URL: <https://trac.einsteintoolkit.org/ticket/716>
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