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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* 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://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have *
* access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* Programmer: Quincey Koziol <koziol@ncsa.uiuc.edu>
* Monday, March 6, 2006
*
* Purpose: Fractal heap metadata statistics functions.
*
*/
/****************/
/* Module Setup */
/****************/
#define H5HF_PACKAGE /*suppress error about including H5HFpkg */
/***********/
/* Headers */
/***********/
#include "H5private.h" /* Generic Functions */
#include "H5Eprivate.h" /* Error handling */
#include "H5HFpkg.h" /* Fractal heaps */
/****************/
/* Local Macros */
/****************/
/******************/
/* Local Typedefs */
/******************/
/********************/
/* Local Prototypes */
/********************/
/*********************/
/* Package Variables */
/*********************/
/*****************************/
/* Library Private Variables */
/*****************************/
/*******************/
/* Local Variables */
/*******************/
/*-------------------------------------------------------------------------
* Function: H5HF_stat_info
*
* Purpose: Retrieve metadata statistics for the fractal heap
*
* Return: Success: non-negative
*
* Failure: negative
*
* Programmer: Quincey Koziol
* Monday, March 6, 2006
*
*-------------------------------------------------------------------------
*/
herr_t
H5HF_stat_info(H5F_t *f, hid_t dxpl_id, haddr_t fh_addr, H5HF_stat_t *stats)
{
H5HF_t *fh = NULL; /* Pointer to the B-tree header */
H5HF_shared_t *shared; /* Shared fractal heap information */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI_NOINIT(H5HF_stat_info)
/* Check arguments. */
HDassert(f);
HDassert(H5F_addr_defined(fh_addr));
HDassert(stats);
/* Look up the fractal heap header */
if(NULL == (fh = H5AC_protect(f, dxpl_id, H5AC_FHEAP_HDR, fh_addr, NULL, NULL, H5AC_READ)))
HGOTO_ERROR(H5E_HEAP, H5E_CANTPROTECT, FAIL, "unable to load fractal heap header")
/* Get the pointer to the shared fractal heap info */
shared = H5RC_GET_OBJ(fh->shared);
HDassert(shared);
/* Report statistics for fractal heap */
stats->total_size = shared->total_size;
stats->man_size = shared->man_size;
stats->std_size = shared->std_size;
stats->man_free_space = shared->total_man_free;
stats->nobjs = shared->nobjs;
/* XXX: Add more metadata statistics for the heap */
done:
/* Release fractal heap header node */
if(fh && H5AC_unprotect(f, dxpl_id, H5AC_FHEAP_HDR, fh_addr, fh, H5AC__NO_FLAGS_SET) < 0)
HDONE_ERROR(H5E_HEAP, H5E_CANTUNPROTECT, FAIL, "unable to release fractal heap header info")
FUNC_LEAVE_NOAPI(ret_value)
} /* H5HF_stat_info() */
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