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-rw-r--r--src/H5EA.c479
1 files changed, 217 insertions, 262 deletions
diff --git a/src/H5EA.c b/src/H5EA.c
index 2c259e6..d8ae2a8 100644
--- a/src/H5EA.c
+++ b/src/H5EA.c
@@ -60,6 +60,10 @@
/* Local Typedefs */
/******************/
+/* Typedef for generically unprotecting an object */
+typedef herr_t (*H5EA__unprotect_func_t)(void *thing, hid_t dxpl_id,
+ unsigned cache_flags);
+
/********************/
/* Package Typedefs */
@@ -308,9 +312,10 @@ END_FUNC(PRIV) /* end H5EA_get_addr() */
/*-------------------------------------------------------------------------
- * Function: H5EA_set
+ * Function: H5EA_lookup_elmt
*
- * Purpose: Set an element of an extensible array
+ * Purpose: Retrieve the metadata object and the element buffer for a
+ * given element in the array.
*
* Return: SUCCEED/FAIL
*
@@ -320,9 +325,11 @@ END_FUNC(PRIV) /* end H5EA_get_addr() */
*
*-------------------------------------------------------------------------
*/
-BEGIN_FUNC(PRIV, ERR,
+BEGIN_FUNC(STATIC, ERR,
herr_t, SUCCEED, FAIL,
-H5EA_set(const H5EA_t *ea, hid_t dxpl_id, hsize_t idx, const void *elmt))
+H5EA__lookup_elmt(const H5EA_t *ea, hid_t dxpl_id, hsize_t idx, H5AC_protect_t thing_acc,
+ void **thing, uint8_t **thing_elmt_buf, hsize_t *thing_elmt_idx,
+ H5EA__unprotect_func_t *thing_unprot_func))
/* Local variables */
H5EA_hdr_t *hdr = ea->hdr; /* Header for EA */
@@ -332,8 +339,6 @@ H5EA_set(const H5EA_t *ea, hid_t dxpl_id, hsize_t idx, const void *elmt))
H5EA_dblk_page_t *dblk_page = NULL; /* Pointer to data block page for EA */
unsigned iblock_cache_flags = H5AC__NO_FLAGS_SET; /* Flags to unprotecting index block */
unsigned sblock_cache_flags = H5AC__NO_FLAGS_SET; /* Flags to unprotecting super block */
- unsigned dblock_cache_flags = H5AC__NO_FLAGS_SET; /* Flags to unprotecting data block */
- unsigned dblk_page_cache_flags = H5AC__NO_FLAGS_SET; /* Flags to unprotecting data block page */
hbool_t stats_changed = FALSE; /* Whether array statistics changed */
hbool_t hdr_dirty = FALSE; /* Whether the array header changed */
@@ -346,35 +351,51 @@ HDfprintf(stderr, "%s: Index %Hu\n", FUNC, idx);
* Check arguments.
*/
HDassert(ea);
- HDassert(ea->hdr);
+ HDassert(hdr);
+ HDassert(thing);
+ HDassert(thing_elmt_buf);
+ HDassert(thing_unprot_func);
/* Set the shared array header's file context for this operation */
hdr->f = ea->f;
+ /* Reset the pointers to the 'thing' info */
+ *thing = NULL;
+ *thing_elmt_buf = NULL;
+ *thing_elmt_idx = 0;
+ *thing_unprot_func = (H5EA__unprotect_func_t)NULL;
+
/* Check if we should create the index block */
if(!H5F_addr_defined(hdr->idx_blk_addr)) {
#ifdef QAK
HDfprintf(stderr, "%s: Index block address not defined!\n", FUNC, idx);
#endif /* QAK */
- /* Create the index block */
- hdr->idx_blk_addr = H5EA__iblock_create(hdr, dxpl_id, &stats_changed);
- if(!H5F_addr_defined(hdr->idx_blk_addr))
- H5E_THROW(H5E_CANTCREATE, "unable to create index block")
- hdr_dirty = TRUE;
+ /* Check if we are allowed to create the thing */
+ if(H5AC_WRITE == thing_acc) {
+ /* Create the index block */
+ hdr->idx_blk_addr = H5EA__iblock_create(hdr, dxpl_id, &stats_changed);
+ if(!H5F_addr_defined(hdr->idx_blk_addr))
+ H5E_THROW(H5E_CANTCREATE, "unable to create index block")
+ hdr_dirty = TRUE;
+ } /* end if */
+ else
+ H5_LEAVE(SUCCEED)
} /* end if */
#ifdef QAK
HDfprintf(stderr, "%s: Index block address is: %a\n", FUNC, hdr->idx_blk_addr);
#endif /* QAK */
/* Protect index block */
- if(NULL == (iblock = H5EA__iblock_protect(hdr, dxpl_id, H5AC_WRITE)))
+ if(NULL == (iblock = H5EA__iblock_protect(hdr, dxpl_id, thing_acc)))
H5E_THROW(H5E_CANTPROTECT, "unable to protect extensible array index block, address = %llu", (unsigned long long)hdr->idx_blk_addr)
/* Check if element is in index block */
if(idx < hdr->cparam.idx_blk_elmts) {
- /* Set element in index block */
- HDmemcpy(((uint8_t *)iblock->elmts) + (hdr->cparam.cls->nat_elmt_size * idx), elmt, hdr->cparam.cls->nat_elmt_size);
- iblock_cache_flags |= H5AC__DIRTIED_FLAG;
+ /* Set 'thing' info to refer to the index block */
+ *thing = iblock;
+ *thing_elmt_buf = (uint8_t *)iblock->elmts;
+ *thing_elmt_idx = idx;
+ *thing_unprot_func = (H5EA__unprotect_func_t)H5EA__iblock_unprotect;
} /* end if */
else {
unsigned sblk_idx; /* Which superblock does this index fall in? */
@@ -407,57 +428,68 @@ HDfprintf(stderr, "%s: dblk_idx = %u, iblock->ndblk_addrs = %Zu\n", FUNC, dblk_i
/* Check if the data block has been allocated on disk yet */
if(!H5F_addr_defined(iblock->dblk_addrs[dblk_idx])) {
- haddr_t dblk_addr; /* Address of data block created */
- hsize_t dblk_off; /* Offset of data block in array */
-
- /* Create data block */
- dblk_off = hdr->sblk_info[sblk_idx].start_idx + (dblk_idx * hdr->sblk_info[sblk_idx].dblk_nelmts);
- dblk_addr = H5EA__dblock_create(hdr, dxpl_id, iblock, &stats_changed, dblk_off, hdr->sblk_info[sblk_idx].dblk_nelmts);
- if(!H5F_addr_defined(dblk_addr))
- H5E_THROW(H5E_CANTCREATE, "unable to create extensible array data block")
-
- /* Set data block address in index block */
- iblock->dblk_addrs[dblk_idx] = dblk_addr;
- iblock_cache_flags |= H5AC__DIRTIED_FLAG;
+ /* Check if we are allowed to create the thing */
+ if(H5AC_WRITE == thing_acc) {
+ haddr_t dblk_addr; /* Address of data block created */
+ hsize_t dblk_off; /* Offset of data block in array */
+
+ /* Create data block */
+ dblk_off = hdr->sblk_info[sblk_idx].start_idx + (dblk_idx * hdr->sblk_info[sblk_idx].dblk_nelmts);
+ dblk_addr = H5EA__dblock_create(hdr, dxpl_id, iblock, &stats_changed, dblk_off, hdr->sblk_info[sblk_idx].dblk_nelmts);
+ if(!H5F_addr_defined(dblk_addr))
+ H5E_THROW(H5E_CANTCREATE, "unable to create extensible array data block")
+
+ /* Set data block address in index block */
+ iblock->dblk_addrs[dblk_idx] = dblk_addr;
+ iblock_cache_flags |= H5AC__DIRTIED_FLAG;
+ } /* end if */
+ else
+ H5_LEAVE(SUCCEED)
} /* end if */
/* Protect data block */
- if(NULL == (dblock = H5EA__dblock_protect(hdr, dxpl_id, iblock, iblock->dblk_addrs[dblk_idx], hdr->sblk_info[sblk_idx].dblk_nelmts, H5AC_WRITE)))
+ if(NULL == (dblock = H5EA__dblock_protect(hdr, dxpl_id, iblock, iblock->dblk_addrs[dblk_idx], hdr->sblk_info[sblk_idx].dblk_nelmts, thing_acc)))
H5E_THROW(H5E_CANTPROTECT, "unable to protect extensible array data block, address = %llu", (unsigned long long)iblock->dblk_addrs[dblk_idx])
/* Adjust index to offset in data block */
elmt_idx %= hdr->sblk_info[sblk_idx].dblk_nelmts;
- /* Set element in data block */
- HDmemcpy(((uint8_t *)dblock->elmts) + (hdr->cparam.cls->nat_elmt_size * elmt_idx), elmt, hdr->cparam.cls->nat_elmt_size);
- dblock_cache_flags |= H5AC__DIRTIED_FLAG;
+ /* Set 'thing' info to refer to the data block */
+ *thing = dblock;
+ *thing_elmt_buf = (uint8_t *)dblock->elmts;
+ *thing_elmt_idx = elmt_idx;
+ *thing_unprot_func = (H5EA__unprotect_func_t)H5EA__dblock_unprotect;
} /* end if */
else {
unsigned sblk_off; /* Offset of super block in index block array of super blocks */
- void *elmts; /* Buffer for elements */
/* Calculate offset of super block in index block's array */
sblk_off = sblk_idx - iblock->nsblks;
/* Check if the super block has been allocated on disk yet */
if(!H5F_addr_defined(iblock->sblk_addrs[sblk_off])) {
- haddr_t sblk_addr; /* Address of data block created */
+ /* Check if we are allowed to create the thing */
+ if(H5AC_WRITE == thing_acc) {
+ haddr_t sblk_addr; /* Address of data block created */
- /* Create super block */
- sblk_addr = H5EA__sblock_create(hdr, dxpl_id, iblock, &stats_changed, sblk_idx);
+ /* Create super block */
+ sblk_addr = H5EA__sblock_create(hdr, dxpl_id, iblock, &stats_changed, sblk_idx);
#ifdef QAK
HDfprintf(stderr, "%s: New super block address is: %a\n", FUNC, sblk_addr);
#endif /* QAK */
- if(!H5F_addr_defined(sblk_addr))
- H5E_THROW(H5E_CANTCREATE, "unable to create extensible array super block")
+ if(!H5F_addr_defined(sblk_addr))
+ H5E_THROW(H5E_CANTCREATE, "unable to create extensible array super block")
- /* Set super block address in index block */
- iblock->sblk_addrs[sblk_off] = sblk_addr;
- iblock_cache_flags |= H5AC__DIRTIED_FLAG;
+ /* Set super block address in index block */
+ iblock->sblk_addrs[sblk_off] = sblk_addr;
+ iblock_cache_flags |= H5AC__DIRTIED_FLAG;
+ } /* end if */
+ else
+ H5_LEAVE(SUCCEED)
} /* end if */
/* Protect super block */
- if(NULL == (sblock = H5EA__sblock_protect(hdr, dxpl_id, iblock, iblock->sblk_addrs[sblk_off], sblk_idx, H5AC_WRITE)))
+ if(NULL == (sblock = H5EA__sblock_protect(hdr, dxpl_id, iblock, iblock->sblk_addrs[sblk_off], sblk_idx, thing_acc)))
H5E_THROW(H5E_CANTPROTECT, "unable to protect extensible array super block, address = %llu", (unsigned long long)iblock->sblk_addrs[sblk_off])
/* Compute the data block index in super block */
@@ -469,18 +501,23 @@ HDfprintf(stderr, "%s: dblk_idx = %u, sblock->ndblks = %Zu\n", FUNC, dblk_idx, s
/* Check if the data block has been allocated on disk yet */
if(!H5F_addr_defined(sblock->dblk_addrs[dblk_idx])) {
- haddr_t dblk_addr; /* Address of data block created */
- hsize_t dblk_off; /* Offset of data block in array */
-
- /* Create data block */
- dblk_off = hdr->sblk_info[sblk_idx].start_idx + (dblk_idx * hdr->sblk_info[sblk_idx].dblk_nelmts);
- dblk_addr = H5EA__dblock_create(hdr, dxpl_id, sblock, &stats_changed, dblk_off, sblock->dblk_nelmts);
- if(!H5F_addr_defined(dblk_addr))
- H5E_THROW(H5E_CANTCREATE, "unable to create extensible array data block")
-
- /* Set data block address in index block */
- sblock->dblk_addrs[dblk_idx] = dblk_addr;
- sblock_cache_flags |= H5AC__DIRTIED_FLAG;
+ /* Check if we are allowed to create the thing */
+ if(H5AC_WRITE == thing_acc) {
+ haddr_t dblk_addr; /* Address of data block created */
+ hsize_t dblk_off; /* Offset of data block in array */
+
+ /* Create data block */
+ dblk_off = hdr->sblk_info[sblk_idx].start_idx + (dblk_idx * hdr->sblk_info[sblk_idx].dblk_nelmts);
+ dblk_addr = H5EA__dblock_create(hdr, dxpl_id, sblock, &stats_changed, dblk_off, sblock->dblk_nelmts);
+ if(!H5F_addr_defined(dblk_addr))
+ H5E_THROW(H5E_CANTCREATE, "unable to create extensible array data block")
+
+ /* Set data block address in index block */
+ sblock->dblk_addrs[dblk_idx] = dblk_addr;
+ sblock_cache_flags |= H5AC__DIRTIED_FLAG;
+ } /* end if */
+ else
+ H5_LEAVE(SUCCEED)
} /* end if */
#ifdef QAK
@@ -524,53 +561,53 @@ HDfprintf(stderr, "%s: sblock->dblk_page_size = %Zu\n", FUNC, sblock->dblk_page_
/* Check if page has been initialized yet */
if(!H5V_bit_get(sblock->page_init, page_init_idx)) {
- /* Create the data block page */
- if(H5EA__dblk_page_create(hdr, dxpl_id, sblock, dblk_page_addr) < 0)
- H5E_THROW(H5E_CANTCREATE, "unable to create data block page")
-
- /* Mark data block page as initialized in super block */
- H5V_bit_set(sblock->page_init, page_init_idx, TRUE);
- sblock_cache_flags |= H5AC__DIRTIED_FLAG;
+ /* Check if we are allowed to create the thing */
+ if(H5AC_WRITE == thing_acc) {
+ /* Create the data block page */
+ if(H5EA__dblk_page_create(hdr, dxpl_id, sblock, dblk_page_addr) < 0)
+ H5E_THROW(H5E_CANTCREATE, "unable to create data block page")
+
+ /* Mark data block page as initialized in super block */
+ H5V_bit_set(sblock->page_init, page_init_idx, TRUE);
+ sblock_cache_flags |= H5AC__DIRTIED_FLAG;
+ } /* end if */
+ else
+ H5_LEAVE(SUCCEED)
} /* end if */
/* Protect data block page */
- if(NULL == (dblk_page = H5EA__dblk_page_protect(hdr, dxpl_id, sblock, dblk_page_addr, H5AC_WRITE)))
+ if(NULL == (dblk_page = H5EA__dblk_page_protect(hdr, dxpl_id, sblock, dblk_page_addr, thing_acc)))
H5E_THROW(H5E_CANTPROTECT, "unable to protect extensible array data block page, address = %llu", (unsigned long long)dblk_page_addr)
- /* Set pointer to elements */
- elmts = dblk_page->elmts;
+ /* Set 'thing' info to refer to the data block page */
+ *thing = dblk_page;
+ *thing_elmt_buf = (uint8_t *)dblk_page->elmts;
+ *thing_elmt_idx = elmt_idx;
+ *thing_unprot_func = (H5EA__unprotect_func_t)H5EA__dblk_page_unprotect;
} /* end if */
else {
/* Protect data block */
- if(NULL == (dblock = H5EA__dblock_protect(hdr, dxpl_id, sblock, sblock->dblk_addrs[dblk_idx], sblock->dblk_nelmts, H5AC_WRITE)))
+ if(NULL == (dblock = H5EA__dblock_protect(hdr, dxpl_id, sblock, sblock->dblk_addrs[dblk_idx], sblock->dblk_nelmts, thing_acc)))
H5E_THROW(H5E_CANTPROTECT, "unable to protect extensible array data block, address = %llu", (unsigned long long)sblock->dblk_addrs[dblk_idx])
- /* Set pointer to elements */
- elmts = dblock->elmts;
+ /* Set 'thing' info to refer to the data block */
+ *thing = dblock;
+ *thing_elmt_buf = (uint8_t *)dblock->elmts;
+ *thing_elmt_idx = elmt_idx;
+ *thing_unprot_func = (H5EA__unprotect_func_t)H5EA__dblock_unprotect;
} /* end else */
-
- /* Set element in data block */
- HDmemcpy(((uint8_t *)elmts) + (hdr->cparam.cls->nat_elmt_size * elmt_idx), elmt, hdr->cparam.cls->nat_elmt_size);
-
- /* Mark data block/data block page as dirty now */
- if(sblock->dblk_npages)
- dblk_page_cache_flags |= H5AC__DIRTIED_FLAG;
- else
- dblock_cache_flags |= H5AC__DIRTIED_FLAG;
} /* end else */
} /* end else */
- /* Update max. element set in array, if appropriate */
-#ifdef QAK
-HDfprintf(stderr, "%s: idx = %Hu, hdr->stats.max_idx_set = %Hu\n", FUNC, idx, hdr->stats.max_idx_set);
-#endif /* QAK */
- if(idx >= hdr->stats.stored.max_idx_set) {
- HDassert(iblock);
- hdr->stats.stored.max_idx_set = idx + 1;
- stats_changed = TRUE;
+CATCH
+ /* Reset 'thing' info on error */
+ if(ret_value < 0) {
+ *thing = NULL;
+ *thing_elmt_buf = NULL;
+ *thing_elmt_idx = 0;
+ *thing_unprot_func = (H5EA__unprotect_func_t)NULL;
} /* end if */
-CATCH
/* Check for updating array statistics */
if(stats_changed)
hdr_dirty = TRUE;
@@ -581,41 +618,43 @@ CATCH
H5E_THROW(H5E_CANTMARKDIRTY, "unable to mark extensible array header as modified")
/* Release resources */
- if(iblock && H5EA__iblock_unprotect(iblock, dxpl_id, iblock_cache_flags) < 0)
+ if(iblock && *thing != iblock && H5EA__iblock_unprotect(iblock, dxpl_id, iblock_cache_flags) < 0)
H5E_THROW(H5E_CANTUNPROTECT, "unable to release extensible array index block")
+ /* (Note: super blocks don't contain elements, so don't have a '*thing != sblock' check) */
if(sblock && H5EA__sblock_unprotect(sblock, dxpl_id, sblock_cache_flags) < 0)
H5E_THROW(H5E_CANTUNPROTECT, "unable to release extensible array super block")
- if(dblock && H5EA__dblock_unprotect(dblock, dxpl_id, dblock_cache_flags) < 0)
+ if(dblock && *thing != dblock && H5EA__dblock_unprotect(dblock, dxpl_id, H5AC__NO_FLAGS_SET) < 0)
H5E_THROW(H5E_CANTUNPROTECT, "unable to release extensible array data block")
- if(dblk_page && H5EA__dblk_page_unprotect(dblk_page, dxpl_id, dblk_page_cache_flags) < 0)
+ if(dblk_page && *thing != dblk_page && H5EA__dblk_page_unprotect(dblk_page, dxpl_id, H5AC__NO_FLAGS_SET) < 0)
H5E_THROW(H5E_CANTUNPROTECT, "unable to release extensible array data block page")
-END_FUNC(PRIV) /* end H5EA_set() */
+END_FUNC(STATIC) /* end H5EA_lookup_elmt() */
/*-------------------------------------------------------------------------
- * Function: H5EA_get
+ * Function: H5EA_set
*
- * Purpose: Get an element of an extensible array
+ * Purpose: Set an element of an extensible array
*
* Return: SUCCEED/FAIL
*
* Programmer: Quincey Koziol
* koziol@hdfgroup.org
- * Sep 11 2008
+ * Sep 9 2008
*
*-------------------------------------------------------------------------
*/
BEGIN_FUNC(PRIV, ERR,
herr_t, SUCCEED, FAIL,
-H5EA_get(const H5EA_t *ea, hid_t dxpl_id, hsize_t idx, void *elmt))
+H5EA_set(const H5EA_t *ea, hid_t dxpl_id, hsize_t idx, const void *elmt))
/* Local variables */
H5EA_hdr_t *hdr = ea->hdr; /* Header for EA */
- H5EA_iblock_t *iblock = NULL; /* Pointer to index block for EA */
- H5EA_sblock_t *sblock = NULL; /* Pointer to super block for EA */
- H5EA_dblock_t *dblock = NULL; /* Pointer to data block for EA */
- H5EA_dblk_page_t *dblk_page = NULL; /* Pointer to data block page for EA */
+ void *thing = NULL; /* Pointer to the array metadata containing the array index we are interested in */
+ uint8_t *thing_elmt_buf; /* Pointer to the element buffer for the array metadata */
+ hsize_t thing_elmt_idx; /* Index of the element in the element buffer for the array metadata */
+ H5EA__unprotect_func_t thing_unprot_func; /* Function pointer for unprotecting the array metadata */
+ unsigned thing_cache_flags = H5AC__NO_FLAGS_SET; /* Flags for unprotecting array metadata */
#ifdef QAK
HDfprintf(stderr, "%s: Called\n", FUNC);
@@ -626,199 +665,115 @@ HDfprintf(stderr, "%s: Index %Hu\n", FUNC, idx);
* Check arguments.
*/
HDassert(ea);
- HDassert(ea->hdr);
+ HDassert(hdr);
/* Set the shared array header's file context for this operation */
hdr->f = ea->f;
- /* Check for element beyond max. element in array */
- if(idx >= hdr->stats.stored.max_idx_set) {
-#ifdef QAK
-HDfprintf(stderr, "%s: Element beyond max. index set, hdr->stats.max_idx_set = %Hu, idx = %Hu\n", FUNC, hdr->stats.max_idx_set, idx);
-#endif /* QAK */
- /* Call the class's 'fill' callback */
- if((hdr->cparam.cls->fill)(elmt, (size_t)1) < 0)
- H5E_THROW(H5E_CANTSET, "can't set element to class's fill value")
- } /* end if */
- else {
-#ifdef QAK
-HDfprintf(stderr, "%s: Index block address is: %a\n", FUNC, hdr->idx_blk_addr);
-#endif /* QAK */
+ /* Look up the array metadata containing the element we want to set */
+ if(H5EA__lookup_elmt(ea, dxpl_id, idx, H5AC_WRITE, &thing, &thing_elmt_buf, &thing_elmt_idx, &thing_unprot_func) < 0)
+ H5E_THROW(H5E_CANTPROTECT, "unable to protect array metadata")
- /* Protect index block */
- if(NULL == (iblock = H5EA__iblock_protect(hdr, dxpl_id, H5AC_READ)))
- H5E_THROW(H5E_CANTPROTECT, "unable to protect extensible array index block, address = %llu", (unsigned long long)hdr->idx_blk_addr)
+ /* Sanity check */
+ HDassert(thing);
+ HDassert(thing_elmt_buf);
+ HDassert(thing_unprot_func);
- /* Check if element is in index block */
- if(idx < hdr->cparam.idx_blk_elmts) {
- /* Get element from index block */
- HDmemcpy(elmt, ((uint8_t *)iblock->elmts) + (hdr->cparam.cls->nat_elmt_size * idx), hdr->cparam.cls->nat_elmt_size);
- } /* end if */
- else {
- unsigned sblk_idx; /* Which superblock does this index fall in? */
- size_t dblk_idx; /* Data block index */
- hsize_t elmt_idx; /* Offset of element in super block */
-
- /* Get super block index where element is located */
- sblk_idx = H5EA__dblock_sblk_idx(hdr, idx);
+ /* Set element in thing's element buffer */
+ HDmemcpy(thing_elmt_buf + (hdr->cparam.cls->nat_elmt_size * thing_elmt_idx), elmt, hdr->cparam.cls->nat_elmt_size);
+ thing_cache_flags |= H5AC__DIRTIED_FLAG;
- /* Adjust index to offset in super block */
- elmt_idx = idx - (hdr->cparam.idx_blk_elmts + hdr->sblk_info[sblk_idx].start_idx);
-#ifdef QAK
-HDfprintf(stderr, "%s: after adjusting for super block elements, elmt_idx = %Hu\n", FUNC, elmt_idx);
-#endif /* QAK */
-
- /* Check for data block containing element address in the index block */
- if(sblk_idx < iblock->nsblks) {
-#ifdef QAK
-HDfprintf(stderr, "%s: Element in data block pointed to by address in index block\n", FUNC);
-#endif /* QAK */
- /* Compute the data block index in index block */
- dblk_idx = (size_t)(hdr->sblk_info[sblk_idx].start_dblk + (elmt_idx / hdr->sblk_info[sblk_idx].dblk_nelmts));
+ /* Update max. element set in array, if appropriate */
#ifdef QAK
-HDfprintf(stderr, "%s: dblk_idx = %u\n", FUNC, dblk_idx);
+HDfprintf(stderr, "%s: idx = %Hu, hdr->stats.max_idx_set = %Hu\n", FUNC, idx, hdr->stats.max_idx_set);
#endif /* QAK */
- HDassert(dblk_idx < iblock->ndblk_addrs);
-
- /* Check if the data block has been allocated on disk yet */
- if(!H5F_addr_defined(iblock->dblk_addrs[dblk_idx])) {
- /* Call the class's 'fill' callback */
- if((hdr->cparam.cls->fill)(elmt, (size_t)1) < 0)
- H5E_THROW(H5E_CANTSET, "can't set element to class's fill value")
- } /* end if */
- else {
- /* Protect data block */
- if(NULL == (dblock = H5EA__dblock_protect(hdr, dxpl_id, iblock, iblock->dblk_addrs[dblk_idx], hdr->sblk_info[sblk_idx].dblk_nelmts, H5AC_READ)))
- H5E_THROW(H5E_CANTPROTECT, "unable to protect extensible array data block, address = %llu", (unsigned long long)iblock->dblk_addrs[dblk_idx])
+ if(idx >= hdr->stats.stored.max_idx_set) {
+ /* Update the max index for the array */
+ hdr->stats.stored.max_idx_set = idx + 1;
+ if(H5EA__hdr_modified(hdr) < 0)
+ H5E_THROW(H5E_CANTMARKDIRTY, "unable to mark extensible array header as modified")
+ } /* end if */
- /* Adjust index to offset in data block */
- elmt_idx %= hdr->sblk_info[sblk_idx].dblk_nelmts;
+CATCH
+ /* Release resources */
+ if(thing && (thing_unprot_func)(thing, dxpl_id, thing_cache_flags) < 0)
+ H5E_THROW(H5E_CANTUNPROTECT, "unable to release extensible array metadata")
- /* Retrieve element from data block */
- HDmemcpy(elmt, ((uint8_t *)dblock->elmts) + (hdr->cparam.cls->nat_elmt_size * elmt_idx), hdr->cparam.cls->nat_elmt_size);
- } /* end else */
- } /* end if */
- else {
- unsigned sblk_off; /* Offset of super block in index block array of super blocks */
+END_FUNC(PRIV) /* end H5EA_set() */
- /* Calculate offset of super block in index block's array */
- sblk_off = sblk_idx - iblock->nsblks;
+
+/*-------------------------------------------------------------------------
+ * Function: H5EA_get
+ *
+ * Purpose: Get an element of an extensible array
+ *
+ * Return: SUCCEED/FAIL
+ *
+ * Programmer: Quincey Koziol
+ * koziol@hdfgroup.org
+ * Sep 11 2008
+ *
+ *-------------------------------------------------------------------------
+ */
+BEGIN_FUNC(PRIV, ERR,
+herr_t, SUCCEED, FAIL,
+H5EA_get(const H5EA_t *ea, hid_t dxpl_id, hsize_t idx, void *elmt))
- /* Check if the super block has been allocated on disk yet */
- if(!H5F_addr_defined(iblock->sblk_addrs[sblk_off])) {
- /* Call the class's 'fill' callback */
- if((hdr->cparam.cls->fill)(elmt, (size_t)1) < 0)
- H5E_THROW(H5E_CANTSET, "can't set element to class's fill value")
- } /* end if */
- else {
- /* Protect super block */
- if(NULL == (sblock = H5EA__sblock_protect(hdr, dxpl_id, iblock, iblock->sblk_addrs[sblk_off], sblk_idx, H5AC_READ)))
- H5E_THROW(H5E_CANTPROTECT, "unable to protect extensible array super block, address = %llu", (unsigned long long)iblock->sblk_addrs[sblk_off])
+ /* Local variables */
+ H5EA_hdr_t *hdr = ea->hdr; /* Header for EA */
+ void *thing = NULL; /* Pointer to the array metadata containing the array index we are interested in */
+ H5EA__unprotect_func_t thing_unprot_func; /* Function pointer for unprotecting the array metadata */
- /* Compute the data block index in super block */
- dblk_idx = (size_t)(elmt_idx / sblock->dblk_nelmts);
#ifdef QAK
-HDfprintf(stderr, "%s: dblk_idx = %u, sblock->ndblks = %Zu\n", FUNC, dblk_idx, sblock->ndblks);
+HDfprintf(stderr, "%s: Called\n", FUNC);
+HDfprintf(stderr, "%s: Index %Hu\n", FUNC, idx);
#endif /* QAK */
- HDassert(dblk_idx < sblock->ndblks);
- /* Check if the data block has been allocated on disk yet */
- if(!H5F_addr_defined(sblock->dblk_addrs[dblk_idx])) {
- /* Call the class's 'fill' callback */
- if((hdr->cparam.cls->fill)(elmt, (size_t)1) < 0)
- H5E_THROW(H5E_CANTSET, "can't set element to class's fill value")
- } /* end if */
- else {
- void *elmts; /* Buffer for elements */
+ /*
+ * Check arguments.
+ */
+ HDassert(ea);
+ HDassert(hdr);
+ /* Check for element beyond max. element in array */
+ if(idx >= hdr->stats.stored.max_idx_set) {
#ifdef QAK
-if(sblock->dblk_npages)
- HDfprintf(stderr, "%s: Check 1.0: elmt_idx = %Hu\n", FUNC, elmt_idx);
-#endif /* QAK */
- /* Adjust index to offset in data block */
- elmt_idx %= sblock->dblk_nelmts;
-#ifdef QAK
-if(sblock->dblk_npages)
- HDfprintf(stderr, "%s: Check 2.0: elmt_idx = %Hu\n", FUNC, elmt_idx);
+HDfprintf(stderr, "%s: Element beyond max. index set, hdr->stats.max_idx_set = %Hu, idx = %Hu\n", FUNC, hdr->stats.max_idx_set, idx);
#endif /* QAK */
-
- /* Check if the data block is paged */
- if(sblock->dblk_npages) {
- size_t page_idx; /* Index of page within data block */
- size_t page_init_idx; /* Index of 'page init' bit */
-
- /* Compute page index */
- page_idx = (size_t)elmt_idx / hdr->dblk_page_nelmts;
-
- /* Compute 'page init' index */
- page_init_idx = (dblk_idx * sblock->dblk_npages) + page_idx;
+ /* Call the class's 'fill' callback */
+ if((hdr->cparam.cls->fill)(elmt, (size_t)1) < 0)
+ H5E_THROW(H5E_CANTSET, "can't set element to class's fill value")
+ } /* end if */
+ else {
+ uint8_t *thing_elmt_buf; /* Pointer to the element buffer for the array metadata */
+ hsize_t thing_elmt_idx; /* Index of the element in the element buffer for the array metadata */
#ifdef QAK
-HDfprintf(stderr, "%s: sblock->addr = %a\n", FUNC, sblock->addr);
-HDfprintf(stderr, "%s: sblock->dblk_addrs[%Zu] = %a\n", FUNC, dblk_idx, sblock->dblk_addrs[dblk_idx]);
-HDfprintf(stderr, "%s: H5EA_DBLOCK_PREFIX_SIZE(sblock) = %u\n", FUNC, (unsigned)H5EA_DBLOCK_PREFIX_SIZE(sblock));
-HDfprintf(stderr, "%s: sblock->page_init[%Zu] = %t\n", FUNC, page_init_idx, H5V_bit_get(sblock->page_init, page_init_idx));
-HDfprintf(stderr, "%s: page_idx = %Zu\n", FUNC, page_idx);
-HDfprintf(stderr, "%s: sblock->dblk_page_size = %Zu\n", FUNC, sblock->dblk_page_size);
+HDfprintf(stderr, "%s: Index block address is: %a\n", FUNC, hdr->idx_blk_addr);
#endif /* QAK */
- /* Check if page has been initialized yet */
- if(!H5V_bit_get(sblock->page_init, page_init_idx)) {
- /* Call the class's 'fill' callback */
- if((hdr->cparam.cls->fill)(elmt, (size_t)1) < 0)
- H5E_THROW(H5E_CANTSET, "can't set element to class's fill value")
-
- /* We've retrieved the value, leave now */
- H5_LEAVE(SUCCEED)
- } /* end if */
- else {
- haddr_t dblk_page_addr; /* Address of data block page */
-
- /* Adjust index to offset in data block page */
- elmt_idx %= hdr->dblk_page_nelmts;
-
- /* Compute data block page address */
- dblk_page_addr = sblock->dblk_addrs[dblk_idx] +
- H5EA_DBLOCK_PREFIX_SIZE(sblock) +
- (page_idx * sblock->dblk_page_size);
-#ifdef QAK
-HDfprintf(stderr, "%s: elmt_idx = %Hu, dblk_page_addr = %a\n", FUNC, elmt_idx, dblk_page_addr);
-#endif /* QAK */
+ /* Set the shared array header's file context for this operation */
+ hdr->f = ea->f;
- /* Protect data block page */
- if(NULL == (dblk_page = H5EA__dblk_page_protect(hdr, dxpl_id, sblock, dblk_page_addr, H5AC_READ)))
- H5E_THROW(H5E_CANTPROTECT, "unable to protect extensible array data block page, address = %llu", (unsigned long long)dblk_page_addr)
-
- /* Set pointer to elements */
- elmts = dblk_page->elmts;
- } /* end else */
- } /* end if */
- else {
- /* Protect data block */
- if(NULL == (dblock = H5EA__dblock_protect(hdr, dxpl_id, sblock, sblock->dblk_addrs[dblk_idx], sblock->dblk_nelmts, H5AC_READ)))
- H5E_THROW(H5E_CANTPROTECT, "unable to protect extensible array data block, address = %llu", (unsigned long long)sblock->dblk_addrs[dblk_idx])
-
- /* Set pointer to elements */
- elmts = dblock->elmts;
- } /* end else */
-
- /* Retrieve element from data block */
- HDmemcpy(elmt, ((uint8_t *)elmts) + (hdr->cparam.cls->nat_elmt_size * elmt_idx), hdr->cparam.cls->nat_elmt_size);
- } /* end else */
- } /* end else */
- } /* end else */
- } /* end else */
+ /* Look up the array metadata containing the element we want to set */
+ if(H5EA__lookup_elmt(ea, dxpl_id, idx, H5AC_READ, &thing, &thing_elmt_buf, &thing_elmt_idx, &thing_unprot_func) < 0)
+ H5E_THROW(H5E_CANTPROTECT, "unable to protect array metadata")
+
+ /* Check if the thing holding the element has been created yet */
+ if(NULL == thing) {
+ /* Call the class's 'fill' callback */
+ if((hdr->cparam.cls->fill)(elmt, (size_t)1) < 0)
+ H5E_THROW(H5E_CANTSET, "can't set element to class's fill value")
+ } /* end if */
+ else
+ /* Get element from thing's element buffer */
+ HDmemcpy(elmt, thing_elmt_buf + (hdr->cparam.cls->nat_elmt_size * thing_elmt_idx), hdr->cparam.cls->nat_elmt_size);
} /* end else */
CATCH
- if(iblock && H5EA__iblock_unprotect(iblock, dxpl_id, H5AC__NO_FLAGS_SET) < 0)
- H5E_THROW(H5E_CANTUNPROTECT, "unable to release extensible array index block")
- if(sblock && H5EA__sblock_unprotect(sblock, dxpl_id, H5AC__NO_FLAGS_SET) < 0)
- H5E_THROW(H5E_CANTUNPROTECT, "unable to release extensible array super block")
- if(dblock && H5EA__dblock_unprotect(dblock, dxpl_id, H5AC__NO_FLAGS_SET) < 0)
- H5E_THROW(H5E_CANTUNPROTECT, "unable to release extensible array data block")
- if(dblk_page && H5EA__dblk_page_unprotect(dblk_page, dxpl_id, H5AC__NO_FLAGS_SET) < 0)
- H5E_THROW(H5E_CANTUNPROTECT, "unable to release extensible array data block page")
+ /* Release thing */
+ if(thing && (thing_unprot_func)(thing, dxpl_id, H5AC__NO_FLAGS_SET) < 0)
+ H5E_THROW(H5E_CANTUNPROTECT, "unable to release extensible array metadata")
END_FUNC(PRIV) /* end H5EA_get() */
generated by cgit v0.12 at 2024-12-25 19:02:34 (GMT)