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authorScot Breitenfeld <brtnfld@hdfgroup.org>2008-04-30 19:51:13 (GMT)
committerScot Breitenfeld <brtnfld@hdfgroup.org>2008-04-30 19:51:13 (GMT)
commitaec106e324ce20e5efb725c25a6a333c7970127b (patch)
tree234df369115a46b08037c5f385061cf58823e497 /src/H5Dint.c
parent5773fd34bc5adf59b4530d95ac9f0c0585902803 (diff)
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[svn-r14903] Undoing change committed in r14902.
Diffstat (limited to 'src/H5Dint.c')
-rw-r--r--src/H5Dint.c269
1 files changed, 220 insertions, 49 deletions
diff --git a/src/H5Dint.c b/src/H5Dint.c
index a5ea398..acb95d2 100644
--- a/src/H5Dint.c
+++ b/src/H5Dint.c
@@ -59,10 +59,12 @@ typedef struct {
/* General stuff */
static herr_t H5D_init_storage(H5D_t *dataset, hbool_t full_overwrite, hid_t dxpl_id);
+static herr_t H5D_get_dxpl_cache_real(hid_t dxpl_id, H5D_dxpl_cache_t *cache);
static H5D_shared_t *H5D_new(hid_t dcpl_id, hbool_t creating, hbool_t vl_type);
static herr_t H5D_init_type(H5F_t *file, const H5D_t *dset, hid_t type_id,
const H5T_t *type);
static herr_t H5D_init_space(H5F_t *file, const H5D_t *dset, const H5S_t *space);
+static herr_t H5D_set_io_ops(H5D_t *dataset);
static herr_t H5D_update_oh_info(H5F_t *file, hid_t dxpl_id, H5D_t *dset);
static herr_t H5D_open_oid(H5D_t *dataset, hid_t dxpl_id);
static herr_t H5D_flush_real(H5D_t *dataset, hid_t dxpl_id, unsigned flags);
@@ -250,6 +252,133 @@ H5D_term_interface(void)
} /* end H5D_term_interface() */
+/*--------------------------------------------------------------------------
+ NAME
+ H5D_get_dxpl_cache_real
+ PURPOSE
+ Get all the values for the DXPL cache.
+ USAGE
+ herr_t H5D_get_dxpl_cache_real(dxpl_id, cache)
+ hid_t dxpl_id; IN: DXPL to query
+ H5D_dxpl_cache_t *cache;IN/OUT: DXPL cache to fill with values
+ RETURNS
+ Non-negative on success/Negative on failure.
+ DESCRIPTION
+ Query all the values from a DXPL that are needed by internal routines
+ within the library.
+ GLOBAL VARIABLES
+ COMMENTS, BUGS, ASSUMPTIONS
+ EXAMPLES
+ REVISION LOG
+--------------------------------------------------------------------------*/
+static herr_t
+H5D_get_dxpl_cache_real(hid_t dxpl_id, H5D_dxpl_cache_t *cache)
+{
+ H5P_genplist_t *dx_plist; /* Data transfer property list */
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5D_get_dxpl_cache_real)
+
+ /* Check args */
+ HDassert(cache);
+
+ /* Get the dataset transfer property list */
+ if(NULL == (dx_plist = (H5P_genplist_t *)H5I_object(dxpl_id)))
+ HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a dataset transfer property list")
+
+ /* Get maximum temporary buffer size */
+ if(H5P_get(dx_plist, H5D_XFER_MAX_TEMP_BUF_NAME, &cache->max_temp_buf) < 0)
+ HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "Can't retrieve maximum temporary buffer size")
+
+ /* Get temporary buffer pointer */
+ if(H5P_get(dx_plist, H5D_XFER_TCONV_BUF_NAME, &cache->tconv_buf) < 0)
+ HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "Can't retrieve temporary buffer pointer")
+
+ /* Get background buffer pointer */
+ if(H5P_get(dx_plist, H5D_XFER_BKGR_BUF_NAME, &cache->bkgr_buf) < 0)
+ HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "Can't retrieve background buffer pointer")
+
+ /* Get background buffer type */
+ if(H5P_get(dx_plist, H5D_XFER_BKGR_BUF_TYPE_NAME, &cache->bkgr_buf_type) < 0)
+ HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "Can't retrieve background buffer type")
+
+ /* Get B-tree split ratios */
+ if(H5P_get(dx_plist, H5D_XFER_BTREE_SPLIT_RATIO_NAME, &cache->btree_split_ratio) < 0)
+ HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "Can't retrieve B-tree split ratios")
+
+ /* Get I/O vector size */
+ if(H5P_get(dx_plist, H5D_XFER_HYPER_VECTOR_SIZE_NAME, &cache->vec_size) < 0)
+ HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "Can't retrieve I/O vector size")
+
+#ifdef H5_HAVE_PARALLEL
+ /* Collect Parallel I/O information for possible later use */
+ if(H5P_get(dx_plist, H5D_XFER_IO_XFER_MODE_NAME, &cache->xfer_mode) < 0)
+ HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "Can't retrieve parallel transfer method")
+ if(H5P_get(dx_plist, H5D_XFER_MPIO_COLLECTIVE_OPT_NAME, &cache->coll_opt_mode) < 0)
+ HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "Can't retrieve collective transfer option")
+#endif /* H5_HAVE_PARALLEL */
+
+ /* Get error detection properties */
+ if(H5P_get(dx_plist, H5D_XFER_EDC_NAME, &cache->err_detect) < 0)
+ HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "Can't retrieve error detection info")
+
+ /* Get filter callback function */
+ if(H5P_get(dx_plist, H5D_XFER_FILTER_CB_NAME, &cache->filter_cb) < 0)
+ HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "Can't retrieve filter callback function")
+
+ /* Get the data transform property */
+ if(H5P_get(dx_plist, H5D_XFER_XFORM_NAME, &cache->data_xform_prop) < 0)
+ HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "Can't retrieve data transform info")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5D_get_dxpl_cache_real() */
+
+
+/*--------------------------------------------------------------------------
+ NAME
+ H5D_get_dxpl_cache
+ PURPOSE
+ Get all the values for the DXPL cache.
+ USAGE
+ herr_t H5D_get_dxpl_cache(dxpl_id, cache)
+ hid_t dxpl_id; IN: DXPL to query
+ H5D_dxpl_cache_t *cache;IN/OUT: DXPL cache to fill with values
+ RETURNS
+ Non-negative on success/Negative on failure.
+ DESCRIPTION
+ Query all the values from a DXPL that are needed by internal routines
+ within the library.
+ GLOBAL VARIABLES
+ COMMENTS, BUGS, ASSUMPTIONS
+ The CACHE pointer should point at already allocated memory to place
+ non-default property list info. If a default property list is used, the
+ CACHE pointer will be changed to point at the default information.
+ EXAMPLES
+ REVISION LOG
+--------------------------------------------------------------------------*/
+herr_t
+H5D_get_dxpl_cache(hid_t dxpl_id, H5D_dxpl_cache_t **cache)
+{
+ herr_t ret_value=SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI(H5D_get_dxpl_cache,FAIL)
+
+ /* Check args */
+ assert(cache);
+
+ /* Check for the default DXPL */
+ if(dxpl_id==H5P_DATASET_XFER_DEFAULT)
+ *cache=&H5D_def_dxpl_cache;
+ else
+ if(H5D_get_dxpl_cache_real(dxpl_id,*cache) < 0)
+ HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "Can't retrieve DXPL values")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5D_get_dxpl_cache() */
+
+
/*-------------------------------------------------------------------------
* Function: H5D_create_named
*
@@ -556,6 +685,54 @@ done:
/*-------------------------------------------------------------------------
+ * Function: H5D_set_io_ops
+ *
+ * Purpose: Set the I/O operation function pointers for a dataset
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Quincey Koziol
+ * Thursday, March 20, 2008
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5D_set_io_ops(H5D_t *dataset)
+{
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5D_set_io_ops)
+
+ /* check args */
+ HDassert(dataset);
+
+ /* Set the I/O functions for each layout type */
+ switch(dataset->shared->layout.type) {
+ case H5D_CONTIGUOUS:
+ if(dataset->shared->dcpl_cache.efl.nused > 0)
+ dataset->shared->layout_ops = H5D_LOPS_EFL;
+ else
+ dataset->shared->layout_ops = H5D_LOPS_CONTIG;
+ break;
+
+ case H5D_CHUNKED:
+ dataset->shared->layout_ops = H5D_LOPS_CHUNK;
+ break;
+
+ case H5D_COMPACT:
+ dataset->shared->layout_ops = H5D_LOPS_COMPACT;
+ break;
+
+ default:
+ HGOTO_ERROR(H5E_DATASET, H5E_UNSUPPORTED, FAIL, "unknown storage method")
+ } /* end switch */ /*lint !e788 All appropriate cases are covered */
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5D_set_io_ops() */
+
+
+/*-------------------------------------------------------------------------
* Function: H5D_update_oh_info
*
* Purpose: Create and fill object header for dataset
@@ -979,18 +1156,10 @@ H5D_create(H5F_t *file, hid_t type_id, const H5S_t *space, hid_t dcpl_id,
} else if(max_points * H5T_get_size(type) > max_storage) {
HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, NULL, "data space size exceeds external storage size")
}
-
- /* Set the I/O functions for this layout type */
- new_dset->shared->io_ops.readvv = H5D_efl_readvv;
- new_dset->shared->io_ops.writevv = H5D_efl_writevv;
} /* end if */
else {
if(ndims > 0 && max_dim[0] > dim[0])
HGOTO_ERROR(H5E_DATASET, H5E_UNSUPPORTED, NULL, "extendible contiguous non-external dataset")
-
- /* Set the I/O functions for this layout type */
- new_dset->shared->io_ops.readvv = H5D_contig_readvv;
- new_dset->shared->io_ops.writevv = H5D_contig_writevv;
} /* end else */
/* Compute the total size of a chunk */
@@ -1042,10 +1211,6 @@ H5D_create(H5F_t *file, hid_t type_id, const H5S_t *space, hid_t dcpl_id,
for(u = 1, new_dset->shared->layout.u.chunk.size = new_dset->shared->layout.u.chunk.dim[0]; u < new_dset->shared->layout.u.chunk.ndims; u++)
new_dset->shared->layout.u.chunk.size *= new_dset->shared->layout.u.chunk.dim[u];
- /* Set the I/O functions for this layout type */
- new_dset->shared->io_ops.readvv = H5D_istore_readvv;
- new_dset->shared->io_ops.writevv = H5D_istore_writevv;
-
/* Initialize the chunk cache for the dataset */
if(H5D_istore_init(file, new_dset) < 0)
HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, NULL, "can't initialize chunk cache")
@@ -1073,10 +1238,6 @@ H5D_create(H5F_t *file, hid_t type_id, const H5S_t *space, hid_t dcpl_id,
comp_data_size = H5O_MESG_MAX_SIZE - H5O_layout_meta_size(file, &(new_dset->shared->layout));
if(new_dset->shared->layout.u.compact.size > comp_data_size)
HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, NULL, "compact dataset size is bigger than header message maximum size")
-
- /* Set the I/O functions for this layout type */
- new_dset->shared->io_ops.readvv = H5D_compact_readvv;
- new_dset->shared->io_ops.writevv = H5D_compact_writevv;
} /* end case */
break;
@@ -1084,6 +1245,10 @@ H5D_create(H5F_t *file, hid_t type_id, const H5S_t *space, hid_t dcpl_id,
HGOTO_ERROR(H5E_DATASET, H5E_UNSUPPORTED, NULL, "not implemented yet")
} /* end switch */ /*lint !e788 All appropriate cases are covered */
+ /* Set the dataset's I/O operations */
+ if(H5D_set_io_ops(new_dset) < 0)
+ HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, NULL, "unable to initialize I/O operations")
+
/* Update the dataset's object header info. */
if(H5D_update_oh_info(file, dxpl_id, new_dset) != SUCCEED)
HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, NULL, "can't update the metadata cache")
@@ -1252,9 +1417,9 @@ static herr_t
H5D_open_oid(H5D_t *dataset, hid_t dxpl_id)
{
H5P_genplist_t *plist; /* Property list */
- H5O_pline_t *pline; /* I/O pipeline information */
H5O_fill_t *fill_prop; /* Pointer to dataset's fill value info */
unsigned alloc_time_state; /* Allocation time state */
+ htri_t msg_exists; /* Whether a particular type of message exists */
herr_t ret_value = SUCCEED; /* Return value */
FUNC_ENTER_NOAPI_NOINIT(H5D_open_oid)
@@ -1285,13 +1450,17 @@ H5D_open_oid(H5D_t *dataset, hid_t dxpl_id)
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "can't get dataset creation property list")
/* Get the optional filters message */
- pline = &dataset->shared->dcpl_cache.pline;
- if(NULL != H5O_msg_read(&(dataset->oloc), H5O_PLINE_ID, pline, dxpl_id)) {
- if(H5P_set(plist, H5D_CRT_DATA_PIPELINE_NAME, pline) < 0)
+ if((msg_exists = H5O_msg_exists(&(dataset->oloc), H5O_PLINE_ID, dxpl_id)) < 0)
+ HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "can't check if message exists")
+ if(msg_exists) {
+ /* Retrieve the I/O pipeline message */
+ if(NULL == H5O_msg_read(&(dataset->oloc), H5O_PLINE_ID, &dataset->shared->dcpl_cache.pline, dxpl_id))
+ HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "can't retrieve message")
+
+ /* Set the I/O pipeline info in the property list */
+ if(H5P_set(plist, H5D_CRT_DATA_PIPELINE_NAME, &dataset->shared->dcpl_cache.pline) < 0)
HGOTO_ERROR(H5E_DATASET, H5E_CANTSET, FAIL, "can't set pipeline")
} /* end if */
- else
- H5E_clear_stack(NULL);
/*
* Get the raw data layout info. It's actually stored in two locations:
@@ -1316,10 +1485,6 @@ H5D_open_oid(H5D_t *dataset, hid_t dxpl_id)
H5_ASSIGN_OVERFLOW(dataset->shared->layout.u.contig.size, tmp_size, hssize_t, hsize_t);
} /* end if */
- /* Set the I/O functions for this layout type */
- dataset->shared->io_ops.readvv = H5D_contig_readvv;
- dataset->shared->io_ops.writevv = H5D_contig_writevv;
-
/* Get the sieve buffer size for this dataset */
dataset->shared->cache.contig.sieve_buf_size = H5F_SIEVE_BUF_SIZE(dataset->oloc.file);
break;
@@ -1344,33 +1509,34 @@ H5D_open_oid(H5D_t *dataset, hid_t dxpl_id)
if(H5D_istore_init(dataset->oloc.file, dataset) < 0)
HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, FAIL, "can't initialize chunk cache")
}
-
- /* Set the I/O functions for this layout type */
- dataset->shared->io_ops.readvv = H5D_istore_readvv;
- dataset->shared->io_ops.writevv = H5D_istore_writevv;
break;
case H5D_COMPACT:
- /* Set the I/O functions for this layout type */
- dataset->shared->io_ops.readvv = H5D_compact_readvv;
- dataset->shared->io_ops.writevv = H5D_compact_writevv;
break;
default:
- HGOTO_ERROR(H5E_DATASET, H5E_UNSUPPORTED, FAIL, "not implemented yet")
+ HGOTO_ERROR(H5E_DATASET, H5E_UNSUPPORTED, FAIL, "unknown storage method")
} /* end switch */ /*lint !e788 All appropriate cases are covered */
/* Point at dataset's copy, to cache it for later */
fill_prop = &dataset->shared->dcpl_cache.fill;
/* Try to get the new fill value message from the object header */
- if(NULL == H5O_msg_read(&(dataset->oloc), H5O_FILL_NEW_ID, fill_prop, dxpl_id)) {
- H5E_clear_stack(NULL);
-
+ if((msg_exists = H5O_msg_exists(&(dataset->oloc), H5O_FILL_NEW_ID, dxpl_id)) < 0)
+ HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "can't check if message exists")
+ if(msg_exists) {
+ if(NULL == H5O_msg_read(&(dataset->oloc), H5O_FILL_NEW_ID, fill_prop, dxpl_id))
+ HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "can't retrieve message")
+ } /* end if */
+ else {
/* For backward compatibility, try to retrieve the old fill value message */
- if(NULL == H5O_msg_read(&(dataset->oloc), H5O_FILL_ID, fill_prop, dxpl_id)) {
- H5E_clear_stack(NULL);
-
+ if((msg_exists = H5O_msg_exists(&(dataset->oloc), H5O_FILL_ID, dxpl_id)) < 0)
+ HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "can't check if message exists")
+ if(msg_exists) {
+ if(NULL == H5O_msg_read(&(dataset->oloc), H5O_FILL_ID, fill_prop, dxpl_id))
+ HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "can't retrieve message")
+ } /* end if */
+ else {
/* Set the space allocation time appropriately, based on the type of dataset storage */
switch(dataset->shared->layout.type) {
case H5D_COMPACT:
@@ -1388,7 +1554,7 @@ H5D_open_oid(H5D_t *dataset, hid_t dxpl_id)
default:
HGOTO_ERROR(H5E_DATASET, H5E_UNSUPPORTED, FAIL, "not implemented yet")
} /* end switch */ /*lint !e788 All appropriate cases are covered */
- } /* end if */
+ } /* end else */
/* If "old" fill value size is 0 (undefined), map it to -1 */
if(fill_prop->size == 0)
@@ -1412,18 +1578,23 @@ H5D_open_oid(H5D_t *dataset, hid_t dxpl_id)
* also undefined when space allocate time is H5D_ALLOC_TIME_LATE. */
if((dataset->shared->layout.type == H5D_CONTIGUOUS && !H5F_addr_defined(dataset->shared->layout.u.contig.addr))
|| (dataset->shared->layout.type == H5D_CHUNKED && !H5F_addr_defined(dataset->shared->layout.u.chunk.addr))) {
- if(NULL != H5O_msg_read(&(dataset->oloc), H5O_EFL_ID, &dataset->shared->dcpl_cache.efl, dxpl_id)) {
+ if((msg_exists = H5O_msg_exists(&(dataset->oloc), H5O_EFL_ID, dxpl_id)) < 0)
+ HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "can't check if message exists")
+ if(msg_exists) {
+ /* Retrieve the EFL message */
+ if(NULL == H5O_msg_read(&(dataset->oloc), H5O_EFL_ID, &dataset->shared->dcpl_cache.efl, dxpl_id))
+ HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "can't retrieve message")
+
+ /* Set the EFL info in the property list */
if(H5P_set(plist, H5D_CRT_EXT_FILE_LIST_NAME, &dataset->shared->dcpl_cache.efl) < 0)
HGOTO_ERROR(H5E_DATASET, H5E_CANTSET, FAIL, "can't set external file list")
-
- /* Override the I/O functions for this layout type */
- dataset->shared->io_ops.readvv = H5D_efl_readvv;
- dataset->shared->io_ops.writevv = H5D_efl_writevv;
} /* end if */
- else
- H5E_clear_stack(NULL);
} /* end if */
+ /* Set the dataset's I/O operations */
+ if(H5D_set_io_ops(dataset) < 0)
+ HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, FAIL, "unable to initialize I/O operations")
+
/*
* Make sure all storage is properly initialized.
* This is important only for parallel I/O where the space must
@@ -2334,7 +2505,7 @@ H5D_set_extent(H5D_t *dset, const hsize_t *size, hid_t dxpl_id)
HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "can't fill dxpl cache")
/* Construct dataset I/O info */
- H5D_BUILD_IO_INFO(&io_info, dset, dxpl_cache, dxpl_id, NULL);
+ H5D_BUILD_IO_INFO_RD(&io_info, dset, dxpl_cache, dxpl_id, NULL, NULL);
/* Remove excess chunks */
if(H5D_istore_prune_by_extent(&io_info, curr_dims) < 0)