hdf5/src/H5FAdbg.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.     *
 * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */

/*-------------------------------------------------------------------------
 *
 * Created:		H5FAdbg.c
 *
 * Purpose:		Dump debugging information about a fixed array.
 *
 *-------------------------------------------------------------------------
 */

/**********************/
/* Module Declaration */
/**********************/

#define H5FA_MODULE


/***********************/
/* Other Packages Used */
/***********************/


/***********/
/* Headers */
/***********/
#include "H5private.h"		/* Generic Functions			*/
#include "H5Eprivate.h"		/* Error handling		  	*/
#include "H5FApkg.h"		/* Fixed Arrays				*/
#include "H5Oprivate.h"		/* Object Header 			*/
#include "H5Vprivate.h"         /* Vector functions                     */


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


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

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


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


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


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


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



/*-------------------------------------------------------------------------
 * Function:	H5FA__hdr_debug
 *
 * Purpose:	Prints debugging info about a fixed array header.
 *
 * Return:	Non-negative on success/Negative on failure
 *
 * Programmer:	Vailin Choi
 *              Thursday, April 30, 2009
 *
 *-------------------------------------------------------------------------
 */
BEGIN_FUNC(PKG, ERR,
herr_t, SUCCEED, FAIL,
H5FA__hdr_debug(H5F_t *f, hid_t dxpl_id, haddr_t addr, FILE *stream, int indent,
    int fwidth, const H5FA_class_t *cls, haddr_t obj_addr))

    /* Local variables */
    H5FA_hdr_t *hdr = NULL; 	/* Shared fixed array header */
    void *dbg_ctx = NULL;	/* Fixed array debugging context */

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

    /* Check for debugging context callback available */
    if(cls->crt_dbg_ctx) {
        /* Create debugging context */
        if(NULL == (dbg_ctx = cls->crt_dbg_ctx(f, dxpl_id, obj_addr)))
	    H5E_THROW(H5E_CANTGET, "unable to create fixed array debugging context")
    } /* end if */

    /* Load the fixed array header */
    if(NULL == (hdr = (H5FA_hdr_t *)H5AC_protect(f, dxpl_id, H5AC_FARRAY_HDR, addr, dbg_ctx, H5AC_READ)))
	H5E_THROW(H5E_CANTPROTECT, "unable to load fixed array header")

    /* Print opening message */
    HDfprintf(stream, "%*sFixed Array Header...\n", indent, "");

    /* Print the values */
    HDfprintf(stream, "%*s%-*s %s\n", indent, "", fwidth,
	      "Array class ID:", hdr->cparam.cls->name);
    HDfprintf(stream, "%*s%-*s %Zu\n", indent, "", fwidth,
	      "Header size:",
	      hdr->size);
    HDfprintf(stream, "%*s%-*s %u\n", indent, "", fwidth,
	      "Raw Element Size:",
	      (unsigned)hdr->cparam.raw_elmt_size);
    HDfprintf(stream, "%*s%-*s %Zu\n", indent, "", fwidth,
	      "Native Element Size (on this platform):",
	      hdr->cparam.cls->nat_elmt_size);


    HDfprintf(stream, "%*s%-*s %u\n", indent, "", fwidth,
	      "Max. # of elements in data block page:",
	      (unsigned)((size_t)1 << hdr->cparam.max_dblk_page_nelmts_bits));

    HDfprintf(stream, "%*s%-*s %Hu\n", indent, "", fwidth,
	      "Number of elements in Fixed Array:", hdr->stats.nelmts);

    HDfprintf(stream, "%*s%-*s %a\n", indent, "", fwidth,
	      "Fixed Array Data Block Address:", hdr->dblk_addr);

CATCH
    if(dbg_ctx && cls->dst_dbg_ctx(dbg_ctx) < 0)
	H5E_THROW(H5E_CANTRELEASE, "unable to release fixed array debugging context")
    if(hdr && H5AC_unprotect(f, dxpl_id, H5AC_FARRAY_HDR, addr, hdr, H5AC__NO_FLAGS_SET) < 0)
	H5E_THROW(H5E_CANTUNPROTECT, "unable to release fixed array header")

END_FUNC(PKG)   /* end H5FA__hdr_debug() */



/*-------------------------------------------------------------------------
 * Function:	H5FA__dblock_debug
 *
 * Purpose:	Prints debugging info about a fixed array data block.
 *
 * Return:	Non-negative on success/Negative on failure
 *
 * Programmer:	Vailin Choi
 *              Thursday, April 30, 2009
 *
 *-------------------------------------------------------------------------
 */
BEGIN_FUNC(PKG, ERR,
herr_t, SUCCEED, FAIL,
H5FA__dblock_debug(H5F_t *f, hid_t dxpl_id, haddr_t addr, FILE *stream, int indent,
    int fwidth, const H5FA_class_t *cls, haddr_t hdr_addr, haddr_t obj_addr))

    /* Local variables */
    H5FA_hdr_t *hdr = NULL;             /* Shared fixed array header */
    H5FA_dblock_t *dblock = NULL;       /* Fixed array data block */
    void *dbg_ctx = NULL;	        /* Fixed array context */
    size_t u;                           /* Local index variable */

    /* Check arguments */
    HDassert(f);
    HDassert(H5F_addr_defined(addr));
    HDassert(stream);
    HDassert(indent >= 0);
    HDassert(fwidth >= 0);
    HDassert(cls);
    HDassert(H5F_addr_defined(hdr_addr));
    HDassert(H5F_addr_defined(obj_addr));

    /* Check for debugging context callback available */
    if(cls->crt_dbg_ctx) {
        /* Create debugging context */
        if(NULL == (dbg_ctx = cls->crt_dbg_ctx(f, dxpl_id, obj_addr)))
	    H5E_THROW(H5E_CANTGET, "unable to create fixed array debugging context")
    } /* end if */

    /* Load the fixed array header */
    if(NULL == (hdr = (H5FA_hdr_t *)H5AC_protect(f, dxpl_id, H5AC_FARRAY_HDR, hdr_addr, dbg_ctx, H5AC_READ)))
	H5E_THROW(H5E_CANTPROTECT, "unable to load fixed array header")

    /* Protect data block */
    if(NULL == (dblock = H5FA__dblock_protect(hdr, dxpl_id, addr, hdr->cparam.nelmts, H5AC_READ)))
        H5E_THROW(H5E_CANTPROTECT, "unable to protect fixed array data block, address = %llu", (unsigned long long)addr)

    /* Print opening message */
    HDfprintf(stream, "%*sFixed Array data Block...\n", indent, "");

    /* Print the values */
    HDfprintf(stream, "%*s%-*s %s\n", indent, "", fwidth,
	      "Array class ID:", hdr->cparam.cls->name);
    HDfprintf(stream, "%*s%-*s %a\n", indent, "", fwidth, "Address of Data Block:", dblock->addr);
    HDfprintf(stream, "%*s%-*s %Zu\n", indent, "", fwidth, "Data Block size:", dblock->size);
    HDfprintf(stream, "%*s%-*s %Hu\n", indent, "", fwidth,
	      "Number of elements in Data Block:", hdr->cparam.nelmts);
    HDfprintf(stream, "%*s%-*s %Hu\n", indent, "", fwidth,
	      "Number of pages in Data Block:", dblock->npages);
    HDfprintf(stream, "%*s%-*s %Hu\n", indent, "", fwidth,
	      "Number of elements per Data Block page:", dblock->dblk_page_nelmts);

    if(dblock->npages) { /* paging */
        size_t  dblk_page_nelmts;	/* # of elements in a data block page */
        haddr_t dblk_page_addr;     /* Address of a data block page */
        size_t  page_idx;           /* Page index within data block */

	HDfprintf(stream, "%*sPaging:\n", indent, "");

	/* Iterate over the pages */
	dblk_page_addr = dblock->addr + H5FA_DBLOCK_PREFIX_SIZE(dblock);
	dblk_page_nelmts = dblock->dblk_page_nelmts;

	/* Read and print each page's elements in the data block */
	for(page_idx = 0; page_idx < dblock->npages; page_idx++) {
	    if(!H5V_bit_get(dblock->dblk_page_init, page_idx)) {
		HDfprintf(stream, "%*s%-*s %Hu %s\n", indent, "", fwidth,
		    "Page %Zu:", page_idx, "empty");

	    } /* end if */
            else { /* get the page */
                H5FA_dblk_page_t *dblk_page;    /* Pointer to a data block page */
                hsize_t  nelmts_left;	        /* Remaining elements in the last data block page */

                /* Check for last page */
		if(((page_idx + 1) == dblock->npages) && (nelmts_left = hdr->cparam.nelmts % dblock->dblk_page_nelmts))
		    dblk_page_nelmts = (size_t)nelmts_left;

		if(NULL == (dblk_page = H5FA__dblk_page_protect(hdr, dxpl_id, dblk_page_addr, dblk_page_nelmts, H5AC_READ)))
		    H5E_THROW(H5E_CANTPROTECT, "unable to protect fixed array data block page, address = %llu", (unsigned long long)dblk_page_addr)

		HDfprintf(stream, "%*sElements in page %Zu:\n", indent, "", page_idx);
		for(u = 0; u < dblk_page_nelmts; u++) {
		    /* Call the class's 'debug' callback */
		    if((hdr->cparam.cls->debug)(stream, (indent + 3), MAX(0, (fwidth - 3)), (hsize_t)u,
			    ((uint8_t *)dblk_page->elmts) + (hdr->cparam.cls->nat_elmt_size * u)) < 0)
			H5E_THROW(H5E_CANTGET, "can't get element for debugging")
		} /* end for */
		if(H5FA__dblk_page_unprotect(dblk_page, dxpl_id, H5AC__NO_FLAGS_SET) < 0)
		    H5E_THROW(H5E_CANTUNPROTECT, "unable to release fixed array data block page")

		/* Advance to next page address */
		dblk_page_addr += dblock->dblk_page_size;
	    } /* paging */
	} /* end for npages */
    } /* end if */
    else { /* not paging */
	/* Print the elements in the data block */
	HDfprintf(stream, "%*sElements:\n", indent, "");
	for(u = 0; u < hdr->cparam.nelmts; u++) {
	    /* Call the class's 'debug' callback */
	    if((hdr->cparam.cls->debug)(stream, (indent + 3), MAX(0, (fwidth - 3)), (hsize_t)u,
		    ((uint8_t *)dblock->elmts) + (hdr->cparam.cls->nat_elmt_size * u)) < 0)
		H5E_THROW(H5E_CANTGET, "can't get element for debugging")
	} /* end for */
    } /* end else */

CATCH
    if(dbg_ctx && cls->dst_dbg_ctx(dbg_ctx) < 0)
	H5E_THROW(H5E_CANTRELEASE, "unable to release fixed array debugging context")
    if(dblock && H5FA__dblock_unprotect(dblock, dxpl_id, H5AC__NO_FLAGS_SET) < 0)
        H5E_THROW(H5E_CANTUNPROTECT, "unable to release fixed array data block")
    if(hdr && H5AC_unprotect(f, dxpl_id, H5AC_FARRAY_HDR, hdr_addr, hdr, H5AC__NO_FLAGS_SET) < 0)
	H5E_THROW(H5E_CANTUNPROTECT, "unable to release fixed array header")

END_FUNC(PKG)   /* end H5FA__dblock_debug() */