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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: H5Ofsinfo.c
* Feb 2009
* Vailin Choi
*
* Purpose: Free space manager info message.
*
*-------------------------------------------------------------------------
*/
#define H5O_PACKAGE /* suppress error about including H5Opkg */
#include "H5private.h" /* Generic Functions */
#include "H5Eprivate.h" /* Error handling */
#include "H5FLprivate.h" /* Free lists */
#include "H5Opkg.h" /* Object headers */
/* PRIVATE PROTOTYPES */
static void *H5O_fsinfo_decode(H5F_t *f, hid_t dxpl_id, H5O_t *open_oh, unsigned mesg_flags, unsigned *ioflags, const uint8_t *p);
static herr_t H5O_fsinfo_encode(H5F_t *f, hbool_t disable_shared, uint8_t *p, const void *_mesg);
static void *H5O_fsinfo_copy(const void *_mesg, void *_dest);
static size_t H5O_fsinfo_size(const H5F_t *f, hbool_t disable_shared, const void *_mesg);
static herr_t H5O_fsinfo_free(void *mesg);
static herr_t H5O_fsinfo_debug(H5F_t *f, hid_t dxpl_id, const void *_mesg,
FILE * stream, int indent, int fwidth);
/* This message derives from H5O message class */
const H5O_msg_class_t H5O_MSG_FSINFO[1] = {{
H5O_FSINFO_ID, /* message id number */
"fsinfo", /* message name for debugging */
sizeof(H5O_fsinfo_t), /* native message size */
0, /* messages are sharable? */
H5O_fsinfo_decode, /* decode message */
H5O_fsinfo_encode, /* encode message */
H5O_fsinfo_copy, /* copy the native value */
H5O_fsinfo_size, /* size of free-space manager info message */
NULL, /* default reset method */
H5O_fsinfo_free, /* free method */
NULL, /* file delete method */
NULL, /* link method */
NULL, /* set share method */
NULL, /* can share method */
NULL, /* pre copy native value to file */
NULL, /* copy native value to file */
NULL, /* post copy native value to file */
NULL, /* get creation index */
NULL, /* set creation index */
H5O_fsinfo_debug /* debug the message */
}};
/* Current version of free-space manager info information */
#define H5O_FSINFO_VERSION 0
/* Declare a free list to manage the H5O_fsinfo_t struct */
H5FL_DEFINE_STATIC(H5O_fsinfo_t);
/*-------------------------------------------------------------------------
* Function: H5O_fsinfo_decode
*
* Purpose: Decode a message and return a pointer to a newly allocated one.
*
* Return: Success: Ptr to new message in native form.
* Failure: NULL
*
* Programmer: Vailin Choi; Feb 2009
*
*-------------------------------------------------------------------------
*/
static void *
H5O_fsinfo_decode(H5F_t *f, hid_t H5_ATTR_UNUSED dxpl_id, H5O_t H5_ATTR_UNUSED *open_oh,
unsigned H5_ATTR_UNUSED mesg_flags, unsigned H5_ATTR_UNUSED *ioflags, const uint8_t *p)
{
H5O_fsinfo_t *fsinfo = NULL; /* free-space manager info */
H5FD_mem_t type; /* Memory type for iteration */
void *ret_value; /* Return value */
FUNC_ENTER_NOAPI_NOINIT
/* check args */
HDassert(f);
HDassert(p);
/* Version of message */
if(*p++ != H5O_FSINFO_VERSION)
HGOTO_ERROR(H5E_OHDR, H5E_CANTLOAD, NULL, "bad version number for message")
/* Allocate space for message */
if(NULL == (fsinfo = H5FL_CALLOC(H5O_fsinfo_t)))
HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed")
fsinfo->strategy = (H5F_file_space_type_t)*p++; /* file space strategy */
H5F_DECODE_LENGTH(f, p, fsinfo->threshold); /* free space section size threshold */
/* Addresses of free space managers: only exist for H5F_FILE_SPACE_ALL_PERSIST */
if(fsinfo->strategy == H5F_FILE_SPACE_ALL_PERSIST) {
for(type = H5FD_MEM_SUPER; type < H5FD_MEM_NTYPES; H5_INC_ENUM(H5FD_mem_t, type))
H5F_addr_decode(f, &p, &(fsinfo->fs_addr[type-1]));
} /* end if */
else {
for(type = H5FD_MEM_SUPER; type < H5FD_MEM_NTYPES; H5_INC_ENUM(H5FD_mem_t, type))
fsinfo->fs_addr[type-1] = HADDR_UNDEF;
} /* end else */
/* Set return value */
ret_value = fsinfo;
done:
if(ret_value == NULL && fsinfo != NULL)
fsinfo = H5FL_FREE(H5O_fsinfo_t, fsinfo);
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5O_fsinfo_decode() */
/*-------------------------------------------------------------------------
* Function: H5O_fsinfo_encode
*
* Purpose: Encodes a message.
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Vailin Choi; Feb 2009
*
*-------------------------------------------------------------------------
*/
static herr_t
H5O_fsinfo_encode(H5F_t *f, hbool_t H5_ATTR_UNUSED disable_shared, uint8_t *p, const void *_mesg)
{
const H5O_fsinfo_t *fsinfo = (const H5O_fsinfo_t *)_mesg;
H5FD_mem_t type; /* Memory type for iteration */
FUNC_ENTER_NOAPI_NOINIT_NOERR
/* check args */
HDassert(f);
HDassert(p);
HDassert(fsinfo);
*p++ = H5O_FSINFO_VERSION; /* message version */
*p++ = fsinfo->strategy; /* file space strategy */
H5F_ENCODE_LENGTH(f, p, fsinfo->threshold); /* free-space section size threshold */
/* Addresses of free space managers: only exist for H5F_FILE_SPACE_ALL_PERSIST */
if(fsinfo->strategy == H5F_FILE_SPACE_ALL_PERSIST) {
for(type = H5FD_MEM_SUPER; type < H5FD_MEM_NTYPES; H5_INC_ENUM(H5FD_mem_t, type))
H5F_addr_encode(f, &p, fsinfo->fs_addr[type-1]);
} /* end if */
FUNC_LEAVE_NOAPI(SUCCEED)
} /* end H5O_fsinfo_encode() */
/*-------------------------------------------------------------------------
* Function: H5O_fsinfo_copy
*
* Purpose: Copies a message from _MESG to _DEST, allocating _DEST if
* necessary.
*
* Return: Success: Ptr to _DEST
* Failure: NULL
*
* Programmer: Vailin Choi; Feb 2009
*
*-------------------------------------------------------------------------
*/
static void *
H5O_fsinfo_copy(const void *_mesg, void *_dest)
{
const H5O_fsinfo_t *fsinfo = (const H5O_fsinfo_t *)_mesg;
H5O_fsinfo_t *dest = (H5O_fsinfo_t *) _dest;
void *ret_value; /* Return value */
FUNC_ENTER_NOAPI_NOINIT
/* check args */
HDassert(fsinfo);
if(!dest && NULL == (dest = H5FL_CALLOC(H5O_fsinfo_t)))
HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed")
/* copy */
*dest = *fsinfo;
/* Set return value */
ret_value = dest;
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5O_fsinfo_copy() */
/*-------------------------------------------------------------------------
* Function: H5O_fsinfo_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 alignment.
*
* Return: Success: Message data size in bytes without alignment.
* Failure: zero
*
* Programmer: Vailin Choi; Feb 2009
*
*-------------------------------------------------------------------------
*/
static size_t
H5O_fsinfo_size(const H5F_t *f, hbool_t H5_ATTR_UNUSED disable_shared, const void *_mesg)
{
const H5O_fsinfo_t *fsinfo = (const H5O_fsinfo_t *)_mesg;
size_t fs_addr_size = 0;
size_t ret_value; /* Return value */
FUNC_ENTER_NOAPI_NOINIT_NOERR
/* Addresses of free-space managers exist only for H5F_FILE_SPACE_ALL_PERSIST type */
if(H5F_FILE_SPACE_ALL_PERSIST == fsinfo->strategy)
fs_addr_size = (H5FD_MEM_NTYPES - 1) * (size_t)H5F_SIZEOF_ADDR(f);
ret_value = 2 /* Version & strategy */
+ (size_t)H5F_SIZEOF_SIZE(f) /* Threshold */
+ fs_addr_size; /* Addresses of free-space managers */
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5O_fsinfo_size() */
/*-------------------------------------------------------------------------
* Function: H5O_fsinfo_free
*
* Purpose: Free's the message
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Vailin Choi; Feb 2009
*
*-------------------------------------------------------------------------
*/
static herr_t
H5O_fsinfo_free(void *mesg)
{
FUNC_ENTER_NOAPI_NOINIT_NOERR
HDassert(mesg);
mesg = H5FL_FREE(H5O_fsinfo_t, mesg);
FUNC_LEAVE_NOAPI(SUCCEED)
} /* end H5O_fsinfo_free() */
/*-------------------------------------------------------------------------
* Function: H5O_fsinfo_debug
*
* Purpose: Prints debugging info for a message.
*
* Return: Non-negative on success/Negative on failure
*
* Programmer: Vailin Choi; Feb 2009
*
*-------------------------------------------------------------------------
*/
static herr_t
H5O_fsinfo_debug(H5F_t H5_ATTR_UNUSED *f, hid_t H5_ATTR_UNUSED dxpl_id, const void *_mesg, FILE * stream,
int indent, int fwidth)
{
const H5O_fsinfo_t *fsinfo = (const H5O_fsinfo_t *) _mesg;
H5FD_mem_t type; /* Memory type for iteration */
FUNC_ENTER_NOAPI_NOINIT_NOERR
/* check args */
HDassert(f);
HDassert(fsinfo);
HDassert(stream);
HDassert(indent >= 0);
HDassert(fwidth >= 0);
HDfprintf(stream, "%*s%-*s %u\n", indent, "", fwidth,
"File space strategy:", fsinfo->strategy);
HDfprintf(stream, "%*s%-*s %Hu\n", indent, "", fwidth,
"Free space section threshold:", fsinfo->threshold);
if(fsinfo->strategy == H5F_FILE_SPACE_ALL_PERSIST) {
for(type = H5FD_MEM_SUPER; type < H5FD_MEM_NTYPES; H5_INC_ENUM(H5FD_mem_t, type))
HDfprintf(stream, "%*s%-*s %a\n", indent, "", fwidth,
"Free space manager address:", fsinfo->fs_addr[type-1]);
} /* end if */
FUNC_LEAVE_NOAPI(SUCCEED)
} /* end H5O_fsinfo_debug() */
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