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118 lines
3.6 KiB
C
118 lines
3.6 KiB
C
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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Copyright by the Board of Trustees of the University of Illinois. *
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* All rights reserved. *
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* *
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* This file is part of HDF5. The full HDF5 copyright notice, including *
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* terms governing use, modification, and redistribution, is contained in *
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* the files COPYING and Copyright.html. COPYING can be found at the root *
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* of the source code distribution tree; Copyright.html can be found at the *
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* root level of an installed copy of the electronic HDF5 document set and *
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* is linked from the top-level documents page. It can also be found at *
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* http://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have *
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* access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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/* Programmer: Quincey Koziol <koziol@ncsa.uiuc.edu>
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* Monday, March 6, 2006
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*
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* Purpose: Fractal heap metadata statistics functions.
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*
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*/
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/****************/
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/* Module Setup */
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/****************/
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#define H5HF_PACKAGE /*suppress error about including H5HFpkg */
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/***********/
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/* Headers */
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/***********/
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#include "H5private.h" /* Generic Functions */
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#include "H5Eprivate.h" /* Error handling */
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#include "H5HFpkg.h" /* Fractal heaps */
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/****************/
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/* Local Macros */
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/****************/
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/******************/
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/* Local Typedefs */
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/******************/
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/********************/
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/* Local Prototypes */
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/********************/
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/*********************/
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/* Package Variables */
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/*********************/
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/*****************************/
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/* Library Private Variables */
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/*****************************/
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/*******************/
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/* Local Variables */
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/*******************/
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/*-------------------------------------------------------------------------
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* Function: H5HF_stat_info
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*
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* Purpose: Retrieve metadata statistics for the fractal heap
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*
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* Return: Success: non-negative
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*
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* Failure: negative
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*
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* Programmer: Quincey Koziol
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* Monday, March 6, 2006
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*
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*-------------------------------------------------------------------------
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*/
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herr_t
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H5HF_stat_info(H5F_t *f, hid_t dxpl_id, haddr_t fh_addr, H5HF_stat_t *stats)
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{
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H5HF_t *fh = NULL; /* Pointer to the B-tree header */
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H5HF_shared_t *shared; /* Shared fractal heap information */
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herr_t ret_value = SUCCEED; /* Return value */
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FUNC_ENTER_NOAPI_NOINIT(H5HF_stat_info)
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/* Check arguments. */
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HDassert(f);
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HDassert(H5F_addr_defined(fh_addr));
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HDassert(stats);
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/* Look up the fractal heap header */
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if(NULL == (fh = H5AC_protect(f, dxpl_id, H5AC_FHEAP_HDR, fh_addr, NULL, NULL, H5AC_READ)))
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HGOTO_ERROR(H5E_HEAP, H5E_CANTPROTECT, FAIL, "unable to load fractal heap header")
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/* Get the pointer to the shared fractal heap info */
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shared = H5RC_GET_OBJ(fh->shared);
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HDassert(shared);
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/* Report statistics for fractal heap */
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stats->total_size = shared->total_size;
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stats->man_size = shared->man_size;
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stats->std_size = shared->std_size;
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stats->man_free_space = shared->total_man_free;
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stats->nobjs = shared->nobjs;
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/* XXX: Add more metadata statistics for the heap */
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done:
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/* Release fractal heap header node */
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if(fh && H5AC_unprotect(f, dxpl_id, H5AC_FHEAP_HDR, fh_addr, fh, H5AC__NO_FLAGS_SET) < 0)
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HDONE_ERROR(H5E_HEAP, H5E_CANTUNPROTECT, FAIL, "unable to release fractal heap header info")
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FUNC_LEAVE_NOAPI(ret_value)
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} /* H5HF_stat_info() */
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