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/*
* Copyright (C) 1997 NCSA
* All rights reserved.
*
* Programmer: Robb Matzke <matzke@llnl.gov>
* Wednesday, October 8, 1997
*/
#include <H5private.h>
#include <H5Eprivate.h>
#include <H5MMprivate.h>
#include <H5Oprivate.h>
#define PABLO_MASK H5O_istore_mask
/* PRIVATE PROTOTYPES */
static void *H5O_istore_decode (H5F_t *f, size_t raw_size, const uint8 *p);
static herr_t H5O_istore_encode (H5F_t *f, size_t size, uint8 *p,
const void *_mesg);
static void *H5O_istore_copy (const void *_mesg, void *_dest);
static size_t H5O_istore_size (H5F_t *f, const void *_mesg);
static herr_t H5O_istore_debug (H5F_t *f, const void *_mesg, FILE *stream,
intn indent, intn fwidth);
/* This message derives from H5O */
const H5O_class_t H5O_ISTORE[1] = {{
H5O_ISTORE_ID, /*message id number */
"istore", /*message name for debugging */
sizeof(H5O_istore_t), /*native message size */
H5G_NOTHING_CACHED, /*symtab entry `type' field */
H5O_istore_decode, /*decode message */
H5O_istore_encode, /*encode message */
NULL, /*get messsage from stab entry */
NULL, /*put message into stab entry */
H5O_istore_copy, /*copy the native value */
H5O_istore_size, /*size of message on disk */
NULL, /*reset method */
H5O_istore_debug, /*debug the message */
}};
/* Is the interface initialized? */
static hbool_t interface_initialize_g = FALSE;
/*-------------------------------------------------------------------------
* Function: H5O_istore_decode
*
* Purpose: Decode an indexed storage message and return a pointer to a
* new one created with malloc().
*
* Return: Success: Ptr to new message in native order.
*
* Failure: NULL
*
* Programmer: Robb Matzke
* Wednesday, October 8, 1997
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static void *
H5O_istore_decode (H5F_t *f, size_t raw_size, const uint8 *p)
{
H5O_istore_t *mesg = NULL;
intn i;
FUNC_ENTER (H5O_istore_decode, NULL, NULL);
/* check args */
assert (f);
assert (p);
/* decode */
mesg = H5MM_xcalloc (1, sizeof(H5O_istore_t));
H5F_decode_offset (f, p, mesg->btree_addr);
mesg->ndims = *p++;
assert (raw_size == H5O_istore_size (f, mesg));
/* Reserved bytes */
p += 7;
/* Read the min_corner, max_corner, and alignment values */
for (i=0; i<mesg->ndims; i++) {
UINT32DECODE (p, mesg->alignment[i]);
}
FUNC_LEAVE (mesg);
}
/*-------------------------------------------------------------------------
* Function: H5O_istore_encode
*
* Purpose: Encodes a message.
*
* Return: Success: SUCCEED
*
* Failure: FAIL
*
* Programmer: Robb Matzke
* Wednesday, October 8, 1997
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static herr_t
H5O_istore_encode (H5F_t *f, size_t raw_size, uint8 *p, const void *_mesg)
{
const H5O_istore_t *mesg = (const H5O_istore_t *)_mesg;
int i;
FUNC_ENTER (H5O_istore_encode, NULL, FAIL);
/* check args */
assert (f);
assert (mesg);
assert (mesg->ndims>0 && mesg->ndims<=H5O_ISTORE_NDIMS);
assert (raw_size == H5O_istore_size (f, _mesg));
assert (p);
/* encode B-tree offset */
H5F_encode_offset (f, p, mesg->btree_addr);
/* number of dimensions */
*p++ = mesg->ndims;
/* reserved bytes should be zero */
for (i=0; i<7; i++) *p++ = 0;
/* min_corner, max_corner, and alignment */
for (i=0; i<mesg->ndims; i++) {
UINT32ENCODE (p, mesg->alignment[i]);
}
FUNC_LEAVE (SUCCEED);
}
/*-------------------------------------------------------------------------
* Function: H5O_istore_copy
*
* Purpose: Copies a message from _MESG to _DEST, allocating _DEST if
* necessary.
*
* Return: Success: Ptr to _DEST
*
* Failure: NULL
*
* Programmer: Robb Matzke
* Wednesday, October 8, 1997
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static void *
H5O_istore_copy (const void *_mesg, void *_dest)
{
const H5O_istore_t *mesg = (const H5O_istore_t *)_mesg;
H5O_istore_t *dest = (H5O_istore_t *)_dest;
FUNC_ENTER (H5O_istore_copy, NULL, NULL);
/* check args */
assert (mesg);
if (!dest) dest = H5MM_xcalloc (1, sizeof(H5O_istore_t));
/* copy */
*dest = *mesg;
FUNC_LEAVE ((void*)dest);
}
/*-------------------------------------------------------------------------
* Function: H5O_istore_size
*
* Purpose: Returns the size of the raw message in bytes not counting the
* message type or size fields, but only the data fields. This
* function doesn't take into account message alignment.
*
* Return: Success: Message data size in bytes
*
* Failure: FAIL
*
* Programmer: Robb Matzke
* Wednesday, October 8, 1997
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static size_t
H5O_istore_size (H5F_t *f, const void *_mesg)
{
const H5O_istore_t *mesg = (const H5O_istore_t *)_mesg;
size_t ret_value = FAIL;
FUNC_ENTER (H5O_istore_size, NULL, FAIL);
/* check args */
assert (f);
assert (mesg);
assert (mesg->ndims>0 && mesg->ndims<=H5O_ISTORE_NDIMS);
ret_value = H5F_SIZEOF_OFFSET (f) + /* B-tree address */
1 + /* max dimension index */
7 + /* reserved bytes */
mesg->ndims * 4; /* alignment */
FUNC_LEAVE (ret_value);
}
/*-------------------------------------------------------------------------
* Function: H5O_istore_debug
*
* Purpose: Prints debugging info for a message.
*
* Return: Success: SUCCEED
*
* Failure: FAIL
*
* Programmer: Robb Matzke
* Wednesday, October 8, 1997
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static herr_t
H5O_istore_debug (H5F_t *f, const void *_mesg, FILE *stream, intn indent,
intn fwidth)
{
const H5O_istore_t *mesg = (const H5O_istore_t *)_mesg;
intn i;
FUNC_ENTER (H5O_istore_debug, NULL, FAIL);
/* check args */
assert (f);
assert (mesg);
assert (stream);
assert (indent>=0);
assert (fwidth>=0);
fprintf (stream, "%*s%-*s %lu\n", indent, "", fwidth,
"B-tree address:",
(unsigned long)(mesg->btree_addr));
fprintf (stream, "%*s%-*s %lu\n", indent, "", fwidth,
"Number of dimensions:",
(unsigned long)(mesg->ndims));
/* Alignment */
fprintf (stream, "%*s%-*s {", indent, "", fwidth,
"Alignment:");
for (i=0; i<mesg->ndims; i++) {
fprintf (stream, "%s%lu", i?", ":"",
(unsigned long)(mesg->alignment[i]));
}
fprintf (stream, "}\n");
FUNC_LEAVE (SUCCEED);
}
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