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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 COPYING file, which can be found at the root of the source code *
* distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/****************/
/* Module Setup */
/****************/
#define H5O_PACKAGE /*suppress error about including H5Opkg */
#define H5SM_PACKAGE /*suppress error about including H5SMpkg */
/***********/
/* Headers */
/***********/
#include "H5private.h" /* Generic Functions */
#include "H5Eprivate.h" /* Error handling */
#include "H5Opkg.h" /* Object Headers */
#include "H5SMpkg.h" /* Shared object header messages */
/****************/
/* Local Macros */
/****************/
/******************/
/* Local Typedefs */
/******************/
/********************/
/* Local Prototypes */
/********************/
/* v2 B-tree callbacks */
static void *H5SM_bt2_crt_context(void *udata);
static herr_t H5SM_bt2_dst_context(void *ctx);
static herr_t H5SM_bt2_store(void *native, const void *udata);
static herr_t H5SM_bt2_debug(FILE *stream, const H5F_t *f, hid_t dxpl_id,
int indent, int fwidth, const void *record, const void *_udata);
static void *H5SM_bt2_crt_dbg_context(H5F_t *f, hid_t dxpl_id, haddr_t addr);
/*****************************/
/* Library Private Variables */
/*****************************/
/* v2 B-tree class for SOHM indexes*/
const H5B2_class_t H5SM_INDEX[1]={{ /* B-tree class information */
H5B2_SOHM_INDEX_ID, /* Type of B-tree */
"H5B2_SOHM_INDEX_ID", /* Name of B-tree class */
sizeof(H5SM_sohm_t), /* Size of native record */
H5SM_bt2_crt_context, /* Create client callback context */
H5SM_bt2_dst_context, /* Destroy client callback context */
H5SM_bt2_store, /* Record storage callback */
H5SM_message_compare, /* Record comparison callback */
H5SM_message_encode, /* Record encoding callback */
H5SM_message_decode, /* Record decoding callback */
H5SM_bt2_debug, /* Record debugging callback */
H5SM_bt2_crt_dbg_context, /* Create debugging context */
H5SM_bt2_dst_context /* Destroy debugging context */
}};
/*******************/
/* Local Variables */
/*******************/
/* Declare a free list to manage the H5SM_bt2_ctx_t struct */
H5FL_DEFINE_STATIC(H5SM_bt2_ctx_t);
/*-------------------------------------------------------------------------
* Function: H5SM_bt2_crt_context
*
* Purpose: Create client callback context
*
* Return: Success: non-NULL
* Failure: NULL
*
* Programmer: Quincey Koziol
* Thursday, November 26, 2009
*
*-------------------------------------------------------------------------
*/
static void *
H5SM_bt2_crt_context(void *_f)
{
H5F_t *f = (H5F_t *)_f; /* User data for building callback context */
H5SM_bt2_ctx_t *ctx; /* Callback context structure */
void *ret_value; /* Return value */
FUNC_ENTER_NOAPI_NOINIT
/* Sanity check */
HDassert(f);
/* Allocate callback context */
if(NULL == (ctx = H5FL_MALLOC(H5SM_bt2_ctx_t)))
HGOTO_ERROR(H5E_HEAP, H5E_CANTALLOC, NULL, "can't allocate callback context")
/* Determine the size of addresses & lengths in the file */
ctx->sizeof_addr = H5F_SIZEOF_ADDR(f);
/* Set return value */
ret_value = ctx;
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* H5SM_bt2_crt_context() */
/*-------------------------------------------------------------------------
* Function: H5SM_bt2_dst_context
*
* Purpose: Destroy client callback context
*
* Return: Success: non-negative
* Failure: negative
*
* Programmer: Quincey Koziol
* Thursday, November 26, 2009
*
*-------------------------------------------------------------------------
*/
static herr_t
H5SM_bt2_dst_context(void *_ctx)
{
H5SM_bt2_ctx_t *ctx = (H5SM_bt2_ctx_t *)_ctx; /* Callback context structure */
FUNC_ENTER_NOAPI_NOINIT_NOERR
/* Sanity check */
HDassert(ctx);
/* Release callback context */
ctx = H5FL_FREE(H5SM_bt2_ctx_t, ctx);
FUNC_LEAVE_NOAPI(SUCCEED)
} /* H5SM_bt2_dst_context() */
/*-------------------------------------------------------------------------
* Function: H5SM_bt2_store
*
* Purpose: Store a H5SM_sohm_t SOHM message in the B-tree. The message
* comes in UDATA as a H5SM_mesg_key_t* and is copied to
* NATIVE as a H5SM_sohm_t.
*
* Return: Non-negative on success
* Negative on failure
*
* Programmer: James Laird
* Monday, November 6, 2006
*
*-------------------------------------------------------------------------
*/
static herr_t
H5SM_bt2_store(void *native, const void *udata)
{
const H5SM_mesg_key_t *key = (const H5SM_mesg_key_t *)udata;
FUNC_ENTER_NOAPI_NOINIT_NOERR
/* Copy the source message to the B-tree */
*(H5SM_sohm_t *)native = key->message;
FUNC_LEAVE_NOAPI(SUCCEED)
} /* end H5SM_bt2_store */
/*-------------------------------------------------------------------------
* Function: H5SM_bt2_debug
*
* Purpose: Print debugging information for a H5SM_sohm_t.
*
* Return: Non-negative on success
* Negative on failure
*
* Programmer: James Laird
* Monday, November 6, 2006
*
*-------------------------------------------------------------------------
*/
static herr_t
H5SM_bt2_debug(FILE *stream, const H5F_t H5_ATTR_UNUSED *f, hid_t H5_ATTR_UNUSED dxpl_id,
int indent, int fwidth, const void *record, const void H5_ATTR_UNUSED *_udata)
{
const H5SM_sohm_t *sohm = (const H5SM_sohm_t *)record;
FUNC_ENTER_NOAPI_NOINIT_NOERR
if(sohm->location == H5SM_IN_HEAP)
HDfprintf(stream, "%*s%-*s {%a, %lo, %Hx}\n", indent, "", fwidth,
"Shared Message in heap:",
sohm->u.heap_loc.fheap_id, sohm->hash, sohm->u.heap_loc.ref_count);
else {
HDassert(sohm->location == H5SM_IN_OH);
HDfprintf(stream, "%*s%-*s {%a, %lo, %Hx, %Hx}\n", indent, "", fwidth,
"Shared Message in OH:",
sohm->u.mesg_loc.oh_addr, sohm->hash, sohm->msg_type_id, sohm->u.mesg_loc.index);
} /* end else */
FUNC_LEAVE_NOAPI(SUCCEED)
} /* end H5SM_bt2_debug */
/*-------------------------------------------------------------------------
* Function: H5SM_bt2_crt_dbg_context
*
* Purpose: Create context for debugging callback
*
* Return: Success: non-NULL
* Failure: NULL
*
* Programmer: Quincey Koziol
* Tuesday, December 1, 2009
*
*-------------------------------------------------------------------------
*/
static void *
H5SM_bt2_crt_dbg_context(H5F_t *f, hid_t H5_ATTR_UNUSED dxpl_id, haddr_t H5_ATTR_UNUSED addr)
{
H5SM_bt2_ctx_t *ctx; /* Callback context structure */
void *ret_value; /* Return value */
FUNC_ENTER_NOAPI_NOINIT
/* Sanity check */
HDassert(f);
/* Allocate callback context */
if(NULL == (ctx = H5FL_MALLOC(H5SM_bt2_ctx_t)))
HGOTO_ERROR(H5E_HEAP, H5E_CANTALLOC, NULL, "can't allocate callback context")
/* Determine the size of addresses & lengths in the file */
ctx->sizeof_addr = H5F_SIZEOF_ADDR(f);
/* Set return value */
ret_value = ctx;
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* H5SM_bt2_crt_dbg_context() */
/*-------------------------------------------------------------------------
* Function: H5SM_bt2_convert_to_list_op
*
* Purpose: An H5B2_remove_t callback function to convert a SOHM
* B-tree index to a list.
*
* Inserts this record into the list passed through op_data.
*
* Return: Non-negative on success
* Negative on failure
*
* Programmer: James Laird
* Monday, November 6, 2006
*
*-------------------------------------------------------------------------
*/
herr_t
H5SM_bt2_convert_to_list_op(const void * record, void *op_data)
{
const H5SM_sohm_t *message = (const H5SM_sohm_t *)record;
const H5SM_list_t *list = (const H5SM_list_t *)op_data;
size_t mesg_idx; /* Index of message to modify */
FUNC_ENTER_NOAPI_NOINIT_NOERR
/* Sanity checks */
HDassert(record);
HDassert(op_data);
/* Get the message index, and increment the # of messages in list */
mesg_idx = list->header->num_messages++;
HDassert(list->header->num_messages <= list->header->list_max);
/* Insert this message at the end of the list */
HDassert(list->messages[mesg_idx].location == H5SM_NO_LOC);
HDassert(message->location != H5SM_NO_LOC);
HDmemcpy(&(list->messages[mesg_idx]), message, sizeof(H5SM_sohm_t));
FUNC_LEAVE_NOAPI(SUCCEED)
} /* end H5SM_bt2_convert_to_list_op() */
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