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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
 * 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:		H5Tdbg.c
 *			Jul 19 2007
 *			Quincey Koziol <koziol@hdfgroup.org>
 *
 * Purpose:		Dump debugging information about a datatype
 *
 *-------------------------------------------------------------------------
 */

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

#define H5T_PACKAGE		/*suppress error about including H5Tpkg	  */


/***********/
/* Headers */
/***********/
#include "H5private.h"		/* Generic Functions			*/
#include "H5Eprivate.h"		/* Error handling		  	*/
#include "H5Tpkg.h"		/* Datatypes         			*/


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


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


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


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


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


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


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



/*-------------------------------------------------------------------------
 * Function:	H5T__print_stats
 *
 * Purpose:	Print statistics about a conversion path.  Statistics are
 *		printed only if all the following conditions are true:
 *
 * 		1. The library was compiled with H5T_DEBUG defined.
 *		2. Data type debugging is turned on at run time.
 *		3. The path was called at least one time.
 *
 *		The optional NPRINT argument keeps track of the number of
 *		conversions paths for which statistics have been shown. If
 *		its value is zero then table headers are printed before the
 *		first line of output.
 *
 * Return:	Success:	non-negative
 *
 *		Failure:	negative
 *
 * Programmer:	Robb Matzke
 *              Monday, December 14, 1998
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5T__print_stats(H5T_path_t H5_ATTR_UNUSED * path, int H5_ATTR_UNUSED * nprint/*in,out*/)
{
#ifdef H5T_DEBUG
    hsize_t	nbytes;
    char	bandwidth[32];
#endif

    FUNC_ENTER_PACKAGE_NOERR

#ifdef H5T_DEBUG
    if(H5DEBUG(T) && path->stats.ncalls > 0) {
	if(nprint && 0 == (*nprint)++) {
	    HDfprintf(H5DEBUG(T), "H5T: type conversion statistics:\n");
	    HDfprintf(H5DEBUG(T), "   %-16s %10s %10s %8s %8s %8s %10s\n",
		       "Conversion", "Elmts", "Calls", "User",
		       "System", "Elapsed", "Bandwidth");
	    HDfprintf(H5DEBUG(T), "   %-16s %10s %10s %8s %8s %8s %10s\n",
		       "----------", "-----", "-----", "----",
		       "------", "-------", "---------");
	}
        if(path->src && path->dst)
            nbytes = MAX(H5T_get_size(path->src), H5T_get_size(path->dst));
        else if(path->src)
            nbytes = H5T_get_size(path->src);
        else if(path->dst)
            nbytes = H5T_get_size(path->dst);
        else
            nbytes = 0;
	nbytes *= path->stats.nelmts;
	H5_bandwidth(bandwidth, (double)nbytes, path->stats.timer.etime);
	HDfprintf(H5DEBUG(T), "   %-16s %10Hd %10d %8.2f %8.2f %8.2f %10s\n",
		   path->name,
		   path->stats.nelmts,
		   path->stats.ncalls,
		   path->stats.timer.utime,
		   path->stats.timer.stime,
		   path->stats.timer.etime,
		   bandwidth);
    }
#endif
    FUNC_LEAVE_NOAPI(SUCCEED)
} /* end H5T__print_stats() */


/*-------------------------------------------------------------------------
 * Function:	H5T_debug
 *
 * Purpose:	Prints information about a data type.
 *
 * Return:	Non-negative on success/Negative on failure
 *
 * Programmer:	Robb Matzke
 *		Wednesday, January  7, 1998
 *
 * Modifications:
 *
 *-------------------------------------------------------------------------
 */
herr_t
H5T_debug(const H5T_t *dt, FILE *stream)
{
    const char	*s1 = "", *s2 = "";
    unsigned	i;

    FUNC_ENTER_NOAPI_NOINIT_NOERR

    /* Check args */
    HDassert(dt);
    HDassert(stream);

    switch(dt->shared->type) {
        case H5T_INTEGER:
            s1 = "int";
            break;

        case H5T_FLOAT:
            s1 = "float";
            break;

        case H5T_TIME:
            s1 = "time";
            break;

        case H5T_STRING:
            s1 = "str";
            break;

        case H5T_BITFIELD:
            s1 = "bits";
            break;

        case H5T_OPAQUE:
            s1 = "opaque";
            break;

        case H5T_COMPOUND:
            s1 = "struct";
            break;

        case H5T_ENUM:
            s1 = "enum";
            break;

        case H5T_VLEN:
            if(H5T_IS_VL_STRING(dt->shared))
                s1 = "str";
            else
                s1 = "vlen";
            break;

        default:
            s1 = "";
            break;
    } /* end switch */

    switch(dt->shared->state) {
        case H5T_STATE_TRANSIENT:
            s2 = "[transient]";
            break;

        case H5T_STATE_RDONLY:
            s2 = "[constant]";
            break;

        case H5T_STATE_IMMUTABLE:
            s2 = "[predefined]";
            break;

        case H5T_STATE_NAMED:
            s2 = "[named,closed]";
            break;

        case H5T_STATE_OPEN:
            s2 = "[named,open]";
            break;
        default:
            HDassert(0 && "This Should never be executed!");
    } /* end switch */

    fprintf(stream, "%s%s {nbytes=%lu", s1, s2, (unsigned long)(dt->shared->size));

    if(H5T_IS_ATOMIC(dt->shared)) {
        uint64_t	tmp;

	switch(dt->shared->u.atomic.order) {
            case H5T_ORDER_BE:
                s1 = "BE";
                break;

            case H5T_ORDER_LE:
                s1 = "LE";
                break;

            case H5T_ORDER_VAX:
                s1 = "VAX";
                break;

            case H5T_ORDER_NONE:
                s1 = "NONE";
                break;

            default:
                s1 = "order?";
                break;
	} /* end switch */

	fprintf(stream, ", %s", s1);

	if(dt->shared->u.atomic.offset)
	    fprintf(stream, ", offset=%lu",
		    (unsigned long) (dt->shared->u.atomic.offset));
	if(dt->shared->u.atomic.prec != 8 * dt->shared->size)
	    fprintf(stream, ", prec=%lu",
		    (unsigned long) (dt->shared->u.atomic.prec));
	switch(dt->shared->type) {
            case H5T_INTEGER:
                switch(dt->shared->u.atomic.u.i.sign) {
                    case H5T_SGN_NONE:
                        s1 = "unsigned";
                        break;

                    case H5T_SGN_2:
                        s1 = NULL;
                        break;

                    default:
                        s1 = "sign?";
                        break;

                } /* end switch */
                if(s1)
                    fprintf(stream, ", %s", s1);
                break;

            case H5T_FLOAT:
                switch(dt->shared->u.atomic.u.f.norm) {
                    case H5T_NORM_IMPLIED:
                        s1 = "implied";
                        break;

                    case H5T_NORM_MSBSET:
                        s1 = "msbset";
                        break;

                    case H5T_NORM_NONE:
                        s1 = "no-norm";
                        break;

                    default:
                        s1 = "norm?";
                        break;
                } /* end switch */

                fprintf(stream, ", sign=%lu+1",
                        (unsigned long)(dt->shared->u.atomic.u.f.sign));
                fprintf(stream, ", mant=%lu+%lu (%s)",
                        (unsigned long)(dt->shared->u.atomic.u.f.mpos),
                        (unsigned long)(dt->shared->u.atomic.u.f.msize), s1);
                fprintf(stream, ", exp=%lu+%lu",
                        (unsigned long)(dt->shared->u.atomic.u.f.epos),
                        (unsigned long)(dt->shared->u.atomic.u.f.esize));
                tmp = dt->shared->u.atomic.u.f.ebias >> 32;
                if(tmp) {
                    size_t hi = (size_t)tmp;
                    size_t lo = (size_t)(dt->shared->u.atomic.u.f.ebias & 0xffffffff);
                    fprintf(stream, " bias=0x%08lx%08lx",
                            (unsigned long)hi, (unsigned long)lo);
                } else {
                    size_t lo = (size_t)(dt->shared->u.atomic.u.f.ebias & 0xffffffff);
                    fprintf(stream, " bias=0x%08lx", (unsigned long)lo);
                }
                break;

            default:
                /* No additional info */
                break;
	} /* end switch */
    } else if(H5T_COMPOUND == dt->shared->type) {
	/* Compound data type */
	for(i = 0; i < dt->shared->u.compnd.nmembs; i++) {
	    fprintf(stream, "\n\"%s\" @%lu",
		    dt->shared->u.compnd.memb[i].name,
		    (unsigned long)(dt->shared->u.compnd.memb[i].offset));
	    fprintf(stream, " ");
	    H5T_debug(dt->shared->u.compnd.memb[i].type, stream);
	} /* end for */
	fprintf(stream, "\n");
    } else if(H5T_VLEN == dt->shared->type) {
        switch(dt->shared->u.vlen.loc) {
            case H5T_LOC_MEMORY:
                fprintf(stream, ", loc=memory");
                break;

            case H5T_LOC_DISK:
                fprintf(stream, ", loc=disk");
                break;

            default:
                fprintf(stream, ", loc=UNKNOWN");
                break;
        } /* end switch */

        if(H5T_IS_VL_STRING(dt->shared))
            /* Variable length string datatype */
            fprintf(stream, ", variable-length");
        else {
            /* Variable length sequence datatype */
            fprintf(stream, " VLEN ");
            H5T_debug(dt->shared->parent, stream);
            fprintf(stream, "\n");
        } /* end else */
    } else if(H5T_ENUM == dt->shared->type) {
        size_t	base_size;

	/* Enumeration data type */
	fprintf(stream, " ");
	H5T_debug(dt->shared->parent, stream);
	base_size = dt->shared->parent->shared->size;
	for(i = 0; i < dt->shared->u.enumer.nmembs; i++) {
            size_t	k;

	    fprintf(stream, "\n\"%s\" = 0x", dt->shared->u.enumer.name[i]);
	    for(k = 0; k < base_size; k++)
		fprintf(stream, "%02lx",
			(unsigned long)(dt->shared->u.enumer.value + (i * base_size) + k));
	} /* end for */
	fprintf(stream, "\n");
    } else if(H5T_OPAQUE == dt->shared->type) {
	fprintf(stream, ", tag=\"%s\"", dt->shared->u.opaque.tag);
    } else {
	/* Unknown */
	fprintf(stream, "unknown class %d\n", (int)(dt->shared->type));
    }
    fprintf(stream, "}");

    FUNC_LEAVE_NOAPI(SUCCEED)
} /* end H5T_debug() */