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 COPYING file, which can be found at the root of the source code       *
 * distribution tree, or in https://www.hdfgroup.org/licenses.               *
 * If you do not have access to either file, you may request a copy from     *
 * help@hdfgroup.org.                                                        *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

/* Programmer:  Quincey Koziol
 *              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
 *		Mar 27, 1998
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5HG_debug(H5F_t *f, 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, 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, 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() */