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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>
* Saturday, May 31, 2003
*
* Purpose: v2 B-tree testing functions.
*/
#define H5B2_PACKAGE /*suppress error about including H5B2pkg */
#define H5B2_TESTING /*suppress warning about H5B2 testing funcs*/
/* Private headers */
#include "H5private.h" /* Generic Functions */
#include "H5B2pkg.h" /* B-trees */
#include "H5Eprivate.h" /* Error handling */
/* Static Prototypes */
static herr_t H5B2_test_store(void *nrecord, const void *udata);
static herr_t H5B2_test_retrieve(void *udata, const void *nrecord);
static herr_t H5B2_test_compare(const void *rec1, const void *rec2);
static herr_t H5B2_test_encode(const H5F_t *f, uint8_t *raw,
const void *nrecord);
static herr_t H5B2_test_decode(const H5F_t *f, const uint8_t *raw,
void *nrecord);
static herr_t H5B2_test_debug(FILE *stream, const H5F_t *f, hid_t dxpl_id,
int indent, int fwidth, const void *record, const void *_udata);
/* Package variables */
const H5B2_class_t H5B2_TEST[1]={{ /* B-tree class information */
H5B2_TEST_ID, /* Type of B-tree */
sizeof(hsize_t), /* Size of native key */
H5B2_test_store, /* Record storage callback */
H5B2_test_retrieve, /* Record retrieval callback */
H5B2_test_compare, /* Record comparison callback */
H5B2_test_encode, /* Record encoding callback */
H5B2_test_decode, /* Record decoding callback */
H5B2_test_debug /* Record debugging callback */
}};
/*-------------------------------------------------------------------------
* Function: H5B2_test_store
*
* Purpose: Store native information into record for B-tree
*
* Return: Success: non-negative
*
* Failure: negative
*
* Programmer: Quincey Koziol
* Thursday, February 3, 2005
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static herr_t
H5B2_test_store(void *nrecord, const void *udata)
{
FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5B2_test_store)
*(hsize_t *)nrecord=*(const hsize_t *)udata;
FUNC_LEAVE_NOAPI(SUCCEED);
} /* H5B2_test_store() */
/*-------------------------------------------------------------------------
* Function: H5B2_test_retrieve
*
* Purpose: Retrieve native information from record for B-tree
*
* Return: Success: non-negative
*
* Failure: negative
*
* Programmer: Quincey Koziol
* Friday, February 25, 2005
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static herr_t
H5B2_test_retrieve(void *udata, const void *nrecord)
{
FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5B2_test_retrieve)
*(hsize_t *)udata=*(const hsize_t *)nrecord;
FUNC_LEAVE_NOAPI(SUCCEED);
} /* H5B2_test_retrieve() */
/*-------------------------------------------------------------------------
* Function: H5B2_test_compare
*
* Purpose: Compare two native information records, according to some key
*
* Return: <0 if rec1 < rec2
* =0 if rec1 == rec2
* >0 if rec1 > rec2
*
* Programmer: Quincey Koziol
* Thursday, February 3, 2005
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static herr_t
H5B2_test_compare(const void *rec1, const void *rec2)
{
FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5B2_test_compare)
FUNC_LEAVE_NOAPI(*(const hssize_t *)rec1-*(const hssize_t *)rec2);
} /* H5B2_test_compare() */
/*-------------------------------------------------------------------------
* Function: H5B2_test_encode
*
* Purpose: Encode native information into raw form for storing on disk
*
* Return: Success: non-negative
*
* Failure: negative
*
* Programmer: Quincey Koziol
* Thursday, February 3, 2005
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static herr_t
H5B2_test_encode(const H5F_t *f, uint8_t *raw, const void *nrecord)
{
FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5B2_test_encode)
H5F_ENCODE_LENGTH(f, raw, *(const hsize_t *)nrecord);
FUNC_LEAVE_NOAPI(SUCCEED);
} /* H5B2_test_encode() */
/*-------------------------------------------------------------------------
* Function: H5B2_test_decode
*
* Purpose: Decode raw disk form of record into native form
*
* Return: Success: non-negative
*
* Failure: negative
*
* Programmer: Quincey Koziol
* Friday, February 4, 2005
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static herr_t
H5B2_test_decode(const H5F_t *f, const uint8_t *raw, void *nrecord)
{
FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5B2_test_decode)
H5F_DECODE_LENGTH(f, raw, *(hsize_t *)nrecord);
FUNC_LEAVE_NOAPI(SUCCEED);
} /* H5B2_test_decode() */
/*-------------------------------------------------------------------------
* Function: H5B2_test_debug
*
* Purpose: Debug native form of record
*
* Return: Success: non-negative
*
* Failure: negative
*
* Programmer: Quincey Koziol
* Friday, February 4, 2005
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static herr_t
H5B2_test_debug(FILE *stream, const H5F_t UNUSED *f, hid_t UNUSED dxpl_id, int indent, int fwidth,
const void *record, const void UNUSED *_udata)
{
FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5B2_test_debug)
HDassert (record);
HDfprintf(stream, "%*s%-*s %Hu\n", indent, "", fwidth, "Record:",
*(const hsize_t *)record);
FUNC_LEAVE_NOAPI(SUCCEED);
} /* H5B2_test_debug() */
/*-------------------------------------------------------------------------
* Function: H5B2_get_root_addr
*
* Purpose: Retrieve the root node's address
*
* Return: Success: non-negative
*
* Failure: negative
*
* Programmer: Quincey Koziol
* Saturday, February 26, 2005
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
herr_t
H5B2_get_root_addr(H5F_t *f, hid_t dxpl_id, const H5B2_class_t *type,
haddr_t addr, haddr_t *root_addr)
{
H5B2_t *bt2=NULL; /* Pointer to the B-tree header */
herr_t ret_value = SUCCEED;
FUNC_ENTER_NOAPI_NOINIT(H5B2_get_root_addr)
/* Check arguments. */
HDassert(f);
HDassert(type);
HDassert(H5F_addr_defined(addr));
HDassert(root_addr);
/* Look up the B-tree header */
if (NULL == (bt2 = H5AC_protect(f, dxpl_id, H5AC_BT2_HDR, addr, type, NULL, H5AC_WRITE)))
HGOTO_ERROR(H5E_BTREE, H5E_CANTPROTECT, FAIL, "unable to load B-tree header")
/* Get B-tree root addr */
*root_addr = bt2->root.addr;
done:
/* Release B-tree header node */
if (bt2 && H5AC_unprotect(f, dxpl_id, H5AC_BT2_HDR, addr, bt2, H5AC__NO_FLAGS_SET) < 0)
HDONE_ERROR(H5E_BTREE, H5E_CANTUNPROTECT, FAIL, "unable to release B-tree header info")
FUNC_LEAVE_NOAPI(ret_value)
} /* H5B2_get_root_addr() */
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