hdf5/src/H5HGdbg.c

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * Copyright by The HDF Group.                                               *
 * Copyright by the Board of Trustees of the University of Illinois.         *
 * All rights reserved.                                                      *
 *                                                                           *
 * This file is part of HDF5.  The full HDF5 copyright notice, including     *
 * terms governing use, modification, and redistribution, is contained in    *
 * the files COPYING and Copyright.html.  COPYING can be found at the root   *
 * of the source code distribution tree; Copyright.html can be found at the  *
 * root level of an installed copy of the electronic HDF5 document set and   *
 * is linked from the top-level documents page.  It can also be found at     *
 * http://hdfgroup.org/HDF5/doc/Copyright.html.  If you do not have          *
 * access to either file, you may request a copy from help@hdfgroup.org.     *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

/* Programmer:  Quincey Koziol <koziol@ncsa.uiuc.edu>
 *              Wednesday, July 9, 2003
 *
 * Purpose:	Global Heap object debugging functions.
 */

/****************/
/* Module Setup */
/****************/

#include "H5HGmodule.h"         /* This source code file is part of the H5HG module */


/***********/
/* Headers */
/***********/
#include "H5private.h"		/* Generic Functions			*/
#include "H5ACprivate.h"	/* Metadata cache			*/
#include "H5Eprivate.h"		/* Error handling		        */
#include "H5HGpkg.h"		/* Global heaps				*/
#include "H5Iprivate.h"		/* ID Functions		                */

/****************/
/* Local Macros */
/****************/


/******************/
/* Local Typedefs */
/******************/


/********************/
/* Package Typedefs */
/********************/


/********************/
/* Local Prototypes */
/********************/


/*********************/
/* Package Variables */
/*********************/


/*****************************/
/* Library Private Variables */
/*****************************/


/*******************/
/* Local Variables */
/*******************/



/*-------------------------------------------------------------------------
 * Function:	H5HG_debug
 *
 * Purpose:	Prints debugging information about a global heap collection.
 *
 * Return:	Non-negative on success/Negative on failure
 *
 * Programmer:	Robb Matzke
 *		matzke@llnl.gov
 *		Mar 27, 1998
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5HG_debug(H5F_t *f, hid_t dxpl_id, haddr_t addr, FILE *stream, int indent,
	  int fwidth)
{
    unsigned		u, nused, maxobj;
    unsigned		j, k;
    H5HG_heap_t		*h = NULL;
    uint8_t		*p = NULL;
    herr_t              ret_value = SUCCEED;       /* Return value */

    FUNC_ENTER_NOAPI(FAIL)

    /* check arguments */
    HDassert(f);
    HDassert(H5F_addr_defined (addr));
    HDassert(stream);
    HDassert(indent >= 0);
    HDassert(fwidth >= 0);

    if(NULL == (h = H5HG_protect(f, dxpl_id, addr, H5AC__READ_ONLY_FLAG)))
        HGOTO_ERROR(H5E_HEAP, H5E_CANTPROTECT, FAIL, "unable to protect global heap collection");

    HDfprintf(stream, "%*sGlobal Heap Collection...\n", indent, "");
    HDfprintf(stream, "%*s%-*s %d\n", indent, "", fwidth,
	    "Dirty:",
	    (int)(h->cache_info.is_dirty));
    HDfprintf(stream, "%*s%-*s %lu\n", indent, "", fwidth,
	    "Total collection size in file:",
	    (unsigned long)(h->size));

    for(u = 1, nused = 0, maxobj = 0; u < h->nused; u++)
	if(h->obj[u].begin) {
	    nused++;
	    if (u>maxobj)
                maxobj = u;
	}
    HDfprintf(stream, "%*s%-*s %u/%lu/", indent, "", fwidth,
	     "Objects defined/allocated/max:",
	     nused,
             (unsigned long)h->nalloc);
    if(nused)
        HDfprintf(stream, "%u\n", maxobj);
    else
        HDfprintf(stream, "NA\n");

    HDfprintf(stream, "%*s%-*s %lu\n", indent, "", fwidth,
	     "Free space:",
	     (unsigned long)(h->obj[0].size));

    for(u = 1; u < h->nused; u++)
	if(h->obj[u].begin) {
            char buf[64];

	    HDsnprintf(buf, sizeof(buf), "Object %u", u);
	    HDfprintf(stream, "%*s%s\n", indent, "", buf);
	    HDfprintf(stream, "%*s%-*s %lu\n", indent + 3, "", MIN(fwidth - 3, 0),
		     "Obffset in block:",
		     (unsigned long)(h->obj[u].begin - h->chunk));
	    HDfprintf(stream, "%*s%-*s %d\n", indent + 3, "", MIN(fwidth - 3, 0),
		     "Reference count:",
		     h->obj[u].nrefs);
	    HDfprintf(stream, "%*s%-*s %lu/%lu\n", indent + 3, "",
		     MIN(fwidth - 3, 0),
		     "Size of object body:",
		     (unsigned long)(h->obj[u].size),
		     (unsigned long)H5HG_ALIGN(h->obj[u].size));
	    p = h->obj[u].begin + H5HG_SIZEOF_OBJHDR(f);
	    for(j = 0; j < h->obj[u].size; j += 16) {
		HDfprintf(stream, "%*s%04u: ", indent + 6, "", j);
		for(k = 0; k < 16; k++) {
		    if(8 == k)
                        HDfprintf(stream, " ");
		    if(j + k < h->obj[u].size)
			HDfprintf(stream, "%02x ", p[j + k]);
		    else
			HDfputs("   ", stream);
		}
		for(k = 0; k < 16 && j + k < h->obj[u].size; k++) {
		    if(8 == k)
                        HDfprintf(stream, " ");
		    HDfputc(p[j + k]>' ' && p[j + k] <= '~' ? p[j + k] : '.', stream);
		}
		HDfprintf(stream, "\n");
	    }
	}

done:
    if (h && H5AC_unprotect(f, dxpl_id, H5AC_GHEAP, addr, h, H5AC__NO_FLAGS_SET) < 0)
        HDONE_ERROR(H5E_HEAP, H5E_PROTECT, FAIL, "unable to release object header");

    FUNC_LEAVE_NOAPI(ret_value);
} /* end H5HG_debug() */