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-rw-r--r--src/H5AC.c4
-rw-r--r--src/H5ACprivate.h4
-rw-r--r--src/H5B2cache.c6
-rw-r--r--src/H5BP.c469
-rw-r--r--src/H5BPcache.c710
-rw-r--r--src/H5BPdbg.c120
-rw-r--r--src/H5BPpkg.h212
-rw-r--r--src/H5BPprivate.h86
-rw-r--r--src/H5BPpublic.h53
-rw-r--r--src/H5BPtest.c237
-rw-r--r--src/H5Cpkg.h2
-rwxr-xr-xsrc/Makefile.am5
-rw-r--r--src/Makefile.in14
13 files changed, 1910 insertions, 12 deletions
diff --git a/src/H5AC.c b/src/H5AC.c
index 116dd94..a7f5aa1 100644
--- a/src/H5AC.c
+++ b/src/H5AC.c
@@ -365,7 +365,9 @@ static const char * H5AC_entry_type_names[H5AC_NTYPES] =
"v2 B-tree internal nodes",
"v2 B-tree leaf nodes",
"block tracker nodes",
- "segmented heaps"
+ "segmented heaps",
+ "B+ tree headers",
+ "B+ tree leaves"
};
herr_t
diff --git a/src/H5ACprivate.h b/src/H5ACprivate.h
index 314c96b..3d35028 100644
--- a/src/H5ACprivate.h
+++ b/src/H5ACprivate.h
@@ -49,7 +49,9 @@
#define H5AC_BT2_LEAF_ID 7 /*v2 B-tree leaf node */
#define H5AC_BLTR_ID 8 /*block tracker */
#define H5AC_SHEAP_ID 9 /*segmented heap */
-#define H5AC_NTYPES 10
+#define H5AC_BPT_HDR_ID 10 /*B+ tree header */
+#define H5AC_BPT_LEAF_ID 11 /*B+ tree leaf */
+#define H5AC_NTYPES 12
/* H5AC_DUMP_STATS_ON_CLOSE should always be FALSE when
* H5C_COLLECT_CACHE_STATS is FALSE.
diff --git a/src/H5B2cache.c b/src/H5B2cache.c
index ddc402b..9f7d9db 100644
--- a/src/H5B2cache.c
+++ b/src/H5B2cache.c
@@ -284,7 +284,7 @@ done:
/*-------------------------------------------------------------------------
- * Function: H5B_cache_hdr_dest
+ * Function: H5B2_cache_hdr_dest
*
* Purpose: Destroys a B-tree header in memory.
*
@@ -556,7 +556,7 @@ done:
/*-------------------------------------------------------------------------
- * Function: H5B_cache_leaf_dest
+ * Function: H5B2_cache_leaf_dest
*
* Purpose: Destroys a B-tree leaf node in memory.
*
@@ -874,7 +874,7 @@ done:
/*-------------------------------------------------------------------------
- * Function: H5B_cache_internal_dest
+ * Function: H5B2_cache_internal_dest
*
* Purpose: Destroys a B-tree internal node in memory.
*
diff --git a/src/H5BP.c b/src/H5BP.c
new file mode 100644
index 0000000..55d0095
--- /dev/null
+++ b/src/H5BP.c
@@ -0,0 +1,469 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * 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://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have *
+ * access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/*-------------------------------------------------------------------------
+ *
+ * Created: H5BP.c
+ * Apr 14 2005
+ * Quincey Koziol <koziol@ncsa.uiuc.edu>
+ *
+ * Purpose: Implements a B+ tree, with several modifications from
+ * the "standard" methods.
+ *
+ * Please see the documentation in:
+ * doc/html/TechNotes/Btrees.html for a full description
+ * of how they work, etc.
+ *
+ *-------------------------------------------------------------------------
+ */
+
+#define H5BP_PACKAGE /*suppress error about including H5BPpkg */
+
+/* Private headers */
+#include "H5private.h" /* Generic Functions */
+#include "H5BPpkg.h" /* B+ trees */
+#include "H5Eprivate.h" /* Error handling */
+#include "H5MFprivate.h" /* File memory management */
+#include "H5MMprivate.h" /* Memory management */
+
+/* Local macros */
+
+/* Uncomment this macro to enable extra sanity checking */
+/* #define H5BP_DEBUG */
+
+
+/* Local typedefs */
+
+/* Local prototypes */
+
+/* Helper functions */
+
+
+/* Package variables */
+
+/* Declare a free list to manage the H5BP_t struct */
+H5FL_DEFINE(H5BP_t);
+
+/* Declare a free list to manage the H5BP_branch_t struct */
+H5FL_DEFINE(H5BP_branch_t);
+
+/* Declare a free list to manage the H5BP_twig_t struct */
+H5FL_DEFINE(H5BP_twig_t);
+
+/* Declare a free list to manage the H5BP_leaf_t struct */
+H5FL_DEFINE(H5BP_leaf_t);
+
+
+/* Static variables */
+
+/* Declare a free list to manage B-tree node pages to/from disk */
+H5FL_BLK_DEFINE_STATIC(node_page);
+
+/* Declare a free list to manage the H5BP_shared_t struct */
+H5FL_DEFINE_STATIC(H5BP_shared_t);
+
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5BP_shared_init
+ *
+ * Purpose: Allocate & initialize shared B-tree info
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Quincey Koziol
+ * koziol@ncsa.uiuc.edu
+ * Apr 14 2005
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5BP_shared_init (H5BP_t *bpt, const H5BP_class_t *type,
+ size_t node_size, unsigned split_percent, unsigned merge_percent)
+{
+ H5BP_shared_t *shared = NULL; /* Shared B+ tree information */
+ herr_t ret_value=SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5BP_shared_init)
+
+ /* Allocate space for the shared information */
+ if(NULL==(shared = H5FL_CALLOC(H5BP_shared_t)))
+ HGOTO_ERROR (H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for B+ tree shared information")
+
+ /* Assign user's information */
+ shared->split_percent = split_percent;
+ shared->merge_percent = merge_percent;
+ shared->node_size = node_size;
+
+ /* Assign common type information */
+ shared->type = type;
+
+ /* Allocate "page" for node I/O */
+ if((shared->page=H5FL_BLK_MALLOC(node_page,shared->node_size))==NULL)
+ HGOTO_ERROR (H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed")
+#ifdef H5_USING_PURIFY
+HDmemset(shared->page,0,shared->node_size);
+#endif /* H5_USING_PURIFY */
+
+ /* Make shared B-tree info reference counted */
+ if(NULL==(bpt->shared=H5RC_create(shared,H5BP_shared_free)))
+ HGOTO_ERROR (H5E_RESOURCE, H5E_NOSPACE, FAIL, "can't create ref-count wrapper for shared B+ tree info")
+
+done:
+ if(ret_value<0)
+ if(shared)
+ H5BP_shared_free(shared);
+
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5BP_shared_init() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5BP_shared_free
+ *
+ * Purpose: Free shared B+ tree info
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Quincey Koziol
+ * koziol@ncsa.uiuc.edu
+ * Apr 14 2005
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5BP_shared_free (void *_shared)
+{
+ H5BP_shared_t *shared = (H5BP_shared_t *)_shared;
+ herr_t ret_value=SUCCEED;
+
+ FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5BP_shared_free)
+
+ /* Sanity check */
+ HDassert(shared);
+
+ /* Free the B-tree node buffer */
+ if(shared->page)
+ H5FL_BLK_FREE(node_page,shared->page);
+
+ /* Free the shared B-tree info itself */
+ H5FL_FREE(H5BP_shared_t,shared);
+
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5BP_shared_free() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5BP_create
+ *
+ * Purpose: Creates a new empty B+ tree in the file.
+ *
+ * Return: Non-negative on success (with address of new B-tree
+ * filled in), negative on failure
+ *
+ * Programmer: Quincey Koziol
+ * koziol@ncsa.uiuc.edu
+ * Apr 19 2005
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5BP_create(H5F_t *f, hid_t dxpl_id, const H5BP_class_t *type,
+ size_t node_size, unsigned split_percent, unsigned merge_percent,
+ haddr_t *addr_p)
+{
+ H5BP_t *bpt = NULL; /* The new B+ tree header information */
+ herr_t ret_value=SUCCEED;
+
+ FUNC_ENTER_NOAPI(H5BP_create, FAIL)
+
+ /*
+ * Check arguments.
+ */
+ HDassert(f);
+ HDassert(type);
+ HDassert(node_size>0);
+ HDassert(merge_percent>0 && merge_percent<=100);
+ HDassert(split_percent>0 && split_percent<=100);
+ HDassert(merge_percent<(split_percent/2));
+
+ /*
+ * Allocate file and memory data structures.
+ */
+ if (NULL==(bpt = H5FL_MALLOC(H5BP_t)))
+ HGOTO_ERROR (H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for B-tree header")
+
+ /* Assign internal information */
+ HDmemset(&bpt->cache_info,0,sizeof(H5AC_info_t));
+ bpt->cache_info.is_dirty = TRUE;
+ bpt->depth = 0;
+ bpt->root.addr = HADDR_UNDEF;
+ bpt->root.all_nrec = 0;
+ bpt->root.util = 0;
+
+ /* Initialize shared B-tree info */
+ if(H5BP_shared_init(bpt, type, node_size, split_percent, merge_percent)<0)
+ HGOTO_ERROR (H5E_RESOURCE, H5E_NOSPACE, FAIL, "can't create shared B+ tree info")
+
+ /* Allocate space for the header on disk */
+ if (HADDR_UNDEF==(*addr_p=H5MF_alloc(f, H5FD_MEM_BTREE, dxpl_id, (hsize_t)H5BP_HEADER_SIZE(f))))
+ HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "file allocation failed for B-tree header")
+
+ /* Cache the new B-tree node */
+ if (H5AC_set(f, dxpl_id, H5AC_BPT_HDR, *addr_p, bpt, H5AC__NO_FLAGS_SET) < 0)
+ HGOTO_ERROR(H5E_BTREE, H5E_CANTINIT, FAIL, "can't add B+ tree header to cache")
+
+done:
+ if (ret_value<0) {
+ if (bpt)
+ (void)H5BP_cache_hdr_dest(f,bpt);
+ } /* end if */
+
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5BP_create() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5BP_create_leaf
+ *
+ * Purpose: Creates empty leaf node of a B+ tree and updates node pointer
+ * to point to it.
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Quincey Koziol
+ * koziol@ncsa.uiuc.edu
+ * Apr 19 2005
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5BP_create_leaf(H5F_t *f, hid_t dxpl_id, H5RC_t *bpt_shared, H5BP_node_ptr_t *node_ptr)
+{
+ H5BP_leaf_t *leaf=NULL; /* Pointer to new leaf node created */
+ H5BP_shared_t *shared; /* Shared B+ tree information */
+ herr_t ret_value = SUCCEED;
+
+ FUNC_ENTER_NOAPI(H5BP_create_leaf, FAIL)
+
+ /* Check arguments. */
+ HDassert(f);
+ HDassert(bpt_shared);
+ HDassert(node_ptr);
+
+ /* Allocate memory for leaf information */
+ if (NULL==(leaf = H5FL_MALLOC(H5BP_leaf_t)))
+ HGOTO_ERROR (H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed for B+ tree leaf info")
+
+ /* Set metadata cache info */
+ HDmemset(&leaf->cache_info,0,sizeof(H5AC_info_t));
+ leaf->cache_info.is_dirty = TRUE;
+
+ /* Share common B+ tree information */
+ leaf->shared = bpt_shared;
+ H5RC_INC(leaf->shared);
+
+ /* Get the pointer to the shared B-tree info */
+ shared=H5RC_GET_OBJ(leaf->shared);
+ HDassert(shared);
+
+ /* Create record pool for leaf node */
+ if((leaf->rec_pool = H5MP_create(H5BP_LEAF_POOL_PAGE, H5MP_FLG_DEFAULT)) == NULL)
+ HGOTO_ERROR(H5E_BTREE, H5E_NOSPACE, NULL, "can't allocate memory pool")
+
+ /* Set number of records */
+ leaf->nrec=0;
+ leaf->flags=0;
+
+ /* Allocate space on disk for the leaf */
+ if (HADDR_UNDEF==(node_ptr->addr=H5MF_alloc(f, H5FD_MEM_BTREE, dxpl_id, (hsize_t)shared->node_size)))
+ HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "file allocation failed for B+ tree leaf node")
+
+ /* Cache the new B+ tree node */
+ if (H5AC_set(f, dxpl_id, H5AC_BPT_LEAF, node_ptr->addr, leaf, H5AC__NO_FLAGS_SET) < 0)
+ HGOTO_ERROR(H5E_BTREE, H5E_CANTINIT, FAIL, "can't add B+ tree leaf to cache")
+
+done:
+ if (ret_value<0) {
+ if (leaf)
+ (void)H5BP_cache_leaf_dest(f,leaf);
+ } /* end if */
+
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5BP_create_leaf() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5BP_insert_leaf
+ *
+ * Purpose: Adds a new record to a B+ tree leaf node.
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Quincey Koziol
+ * koziol@ncsa.uiuc.edu
+ * Apr 22 2005
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5BP_insert_leaf(H5F_t *f, hid_t dxpl_id, H5RC_t *bpt_shared,
+ H5BP_node_ptr_t *curr_node_ptr, void *udata)
+{
+ H5BP_leaf_t *leaf; /* Pointer to leaf node */
+ H5BP_shared_t *shared; /* Pointer to B+ tree's shared information */
+ int cmp; /* Comparison value of records */
+ unsigned idx; /* Location of record which matches key */
+ herr_t ret_value = SUCCEED;
+
+ FUNC_ENTER_NOAPI_NOINIT(H5BP_insert_leaf)
+
+ /* Check arguments. */
+ HDassert(f);
+ HDassert(bpt_shared);
+ HDassert(curr_node_ptr);
+ HDassert(H5F_addr_defined(curr_node_ptr->addr));
+
+if( H5BP_NODE_OVERSIZE(curr_node_ptr->util)) {
+ HDfprintf(stderr,"%s: attempting to insert record into extent node\n",FUNC);
+ HGOTO_ERROR(H5E_BTREE, H5E_UNSUPPORTED, FAIL, "Can't handle extent node!")
+}
+ /* Lock B+ tree node */
+ if (NULL == (leaf = H5AC_protect(f, dxpl_id, H5AC_BPT_LEAF, curr_node_ptr->addr, &(curr_node_ptr->util), bpt_shared, H5AC_WRITE)))
+ HGOTO_ERROR(H5E_BTREE, H5E_CANTPROTECT, FAIL, "unable to load B+ tree leaf node")
+
+ /* Get the pointer to the shared B+ tree info */
+ shared=H5RC_GET_OBJ(bpt_shared);
+ HDassert(shared);
+
+#ifndef LATER
+HDfprintf(stderr,"%s: finish record insertion code\n",FUNC);
+HGOTO_ERROR(H5E_BTREE, H5E_UNSUPPORTED, FAIL, "Can't handle record insertion!")
+#else /* LATER */
+ /* Check for inserting into empty leaf */
+ if(leaf->nrec==0)
+ idx=0;
+ else {
+ /* Find correct location to insert this record */
+ if((cmp = H5BP_locate_record(shared->type,leaf->nrec,shared->nat_off,leaf->leaf_native,udata,&idx)) == 0)
+ HGOTO_ERROR(H5E_BTREE, H5E_EXISTS, FAIL, "record is already in B+ tree")
+ if(cmp > 0)
+ idx++;
+
+ /* Make room for new record */
+ if(idx<leaf->nrec)
+ HDmemmove(H5BP_LEAF_NREC(leaf,shared,idx+1),H5BP_LEAF_NREC(leaf,shared,idx),shared->type->nrec_size*(leaf->nrec-idx));
+ } /* end else */
+
+ /* Make callback to store record in native form */
+ if((shared->type->store)(H5BP_LEAF_NREC(leaf,shared,idx),udata)<0)
+ HGOTO_ERROR(H5E_BTREE, H5E_CANTINSERT, FAIL, "unable to insert record into leaf node")
+#endif /* LATER */
+
+ /* Update record count for node pointer to current node */
+ curr_node_ptr->all_nrec++;
+
+ /* Update record count for current node */
+ leaf->nrec++;
+
+done:
+ /* Release the B+ tree leaf node */
+ if (leaf && H5AC_unprotect(f, dxpl_id, H5AC_BPT_LEAF, curr_node_ptr->addr, leaf, H5AC__DIRTIED_FLAG) < 0)
+ HDONE_ERROR(H5E_BTREE, H5E_CANTUNPROTECT, FAIL, "unable to release leaf B+ tree node")
+
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5BP_insert_leaf() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5BP_insert
+ *
+ * Purpose: Adds a new record to the B+ tree.
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Quincey Koziol
+ * koziol@ncsa.uiuc.edu
+ * Apr 19 2005
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5BP_insert(H5F_t *f, hid_t dxpl_id, const H5BP_class_t *type, haddr_t addr,
+ void *udata)
+{
+ H5BP_t *bpt=NULL; /* Pointer to the B+ tree header */
+ H5BP_shared_t *shared; /* Pointer to B+ tree's shared information */
+ herr_t ret_value = SUCCEED;
+
+ FUNC_ENTER_NOAPI(H5BP_insert, FAIL)
+
+ /* Check arguments. */
+ HDassert(f);
+ HDassert(type);
+ HDassert(H5F_addr_defined(addr));
+
+ /* Look up the B+ tree header */
+ if (NULL == (bpt = H5AC_protect(f, dxpl_id, H5AC_BPT_HDR, addr, type, NULL, H5AC_WRITE)))
+ HGOTO_ERROR(H5E_BTREE, H5E_CANTPROTECT, FAIL, "unable to load B+ tree header")
+
+ /* Get the pointer to the shared B+ tree info */
+ shared=H5RC_GET_OBJ(bpt->shared);
+ HDassert(shared);
+
+ /* Check if the root node is allocated yet */
+ if(!H5F_addr_defined(bpt->root.addr)) {
+ /* Create root node as leaf node in B+ tree */
+ if(H5BP_create_leaf(f, dxpl_id, bpt->shared, &(bpt->root))<0)
+ HGOTO_ERROR(H5E_BTREE, H5E_CANTINIT, FAIL, "unable to create root node")
+
+ /* Mark B+ tree header as dirty, since we updated the address of the root node */
+ bpt->cache_info.is_dirty = TRUE;
+ } /* end if */
+ /* Check if we need to split the root node (equiv. to a 1->2 leaf node split) */
+ else if(H5BP_NODE_OVERSIZE(bpt->root.util) ||
+ (!H5BP_NODE_OVERSIZE(bpt->root.util) && bpt->root.util>=shared->split_percent)) {
+ /* Split root node */
+#ifdef LATER
+ if(H5BP_split_root(f, dxpl_id, bpt, bpt->shared)<0)
+ HGOTO_ERROR(H5E_BTREE, H5E_CANTSPLIT, FAIL, "unable to split root node")
+#else /* LATER */
+HDfprintf(stderr,"%s: attempting to split root node\n",FUNC);
+HGOTO_ERROR(H5E_BTREE, H5E_UNSUPPORTED, FAIL, "Can't split root yet!")
+#endif /* LATER */
+ } /* end if */
+
+ /* Attempt to insert record into B+ tree */
+ if(bpt->depth>0) {
+#ifdef LATER
+ if(H5BP_insert_internal(f,dxpl_id,bpt->shared,bpt->depth,&(bpt->cache_info),&bpt->root,udata)<0)
+ HGOTO_ERROR(H5E_BTREE, H5E_CANTINSERT, FAIL, "unable to insert record into B+ tree internal node")
+#else /* LATER */
+HDfprintf(stderr,"%s: attempting to insert record with internal node\n",FUNC);
+HGOTO_ERROR(H5E_BTREE, H5E_UNSUPPORTED, FAIL, "Can't insert records yet!")
+#endif /* LATER */
+ } /* end if */
+ else {
+ if(H5BP_insert_leaf(f,dxpl_id,bpt->shared,&bpt->root,udata)<0)
+ HGOTO_ERROR(H5E_BTREE, H5E_CANTINSERT, FAIL, "unable to insert record into B+ tree leaf node")
+ } /* end else */
+
+done:
+ /* Release the B+ tree header info */
+ if (bpt && H5AC_unprotect(f, dxpl_id, H5AC_BPT_HDR, addr, bpt, H5AC__DIRTIED_FLAG) < 0)
+ HDONE_ERROR(H5E_BTREE, H5E_CANTUNPROTECT, FAIL, "unable to release B+ tree header info")
+
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5BP_insert() */
+
diff --git a/src/H5BPcache.c b/src/H5BPcache.c
new file mode 100644
index 0000000..e511ae2
--- /dev/null
+++ b/src/H5BPcache.c
@@ -0,0 +1,710 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * 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://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have *
+ * access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/*-------------------------------------------------------------------------
+ *
+ * Created: H5BPcache.c
+ * Apr 19 2005
+ * Quincey Koziol <koziol@ncsa.uiuc.edu>
+ *
+ * Purpose: Implement B+ tree metadata cache methods.
+ *
+ *-------------------------------------------------------------------------
+ */
+
+#define H5BP_PACKAGE /*suppress error about including H5BPpkg */
+
+/* Private headers */
+#include "H5private.h" /* Generic Functions */
+#include "H5BPpkg.h" /* B+ trees */
+#include "H5Eprivate.h" /* Error handling */
+
+/* Local macros */
+
+/* B+ tree format version #'s */
+#define H5BP_HDR_VERSION 0 /* Header */
+#define H5BP_LEAF_VERSION 0 /* Leaf nodes */
+
+
+/* Local typedefs */
+
+/* Local prototypes */
+
+/* Metadata cache callbacks */
+static H5BP_t *H5BP_cache_hdr_load(H5F_t *f, hid_t dxpl_id, haddr_t addr, const void *_type, void *udata);
+static herr_t H5BP_cache_hdr_flush(H5F_t *f, hid_t dxpl_id, hbool_t destroy, haddr_t addr, H5BP_t *b);
+static herr_t H5BP_cache_hdr_clear(H5F_t *f, H5BP_t *b, hbool_t destroy);
+static herr_t H5BP_cache_hdr_size(const H5F_t *f, const H5BP_t *bt, size_t *size_ptr);
+static H5BP_leaf_t *H5BP_cache_leaf_load(H5F_t *f, hid_t dxpl_id, haddr_t addr, const void *_nrec, void *_bpt_shared);
+static herr_t H5BP_cache_leaf_flush(H5F_t *f, hid_t dxpl_id, hbool_t destroy, haddr_t addr, H5BP_leaf_t *l);
+static herr_t H5BP_cache_leaf_clear(H5F_t *f, H5BP_leaf_t *l, hbool_t destroy);
+static herr_t H5BP_cache_leaf_size(const H5F_t *f, const H5BP_leaf_t *l, size_t *size_ptr);
+
+/* Package variables */
+
+/* H5BP headers inherit cache-like properties from H5AC */
+const H5AC_class_t H5AC_BPT_HDR[1] = {{
+ H5AC_BPT_HDR_ID,
+ (H5AC_load_func_t)H5BP_cache_hdr_load,
+ (H5AC_flush_func_t)H5BP_cache_hdr_flush,
+ (H5AC_dest_func_t)H5BP_cache_hdr_dest,
+ (H5AC_clear_func_t)H5BP_cache_hdr_clear,
+ (H5AC_size_func_t)H5BP_cache_hdr_size,
+}};
+
+/* H5BP leaves inherit cache-like properties from H5AC */
+const H5AC_class_t H5AC_BPT_LEAF[1] = {{
+ H5AC_BPT_LEAF_ID,
+ (H5AC_load_func_t)H5BP_cache_leaf_load,
+ (H5AC_flush_func_t)H5BP_cache_leaf_flush,
+ (H5AC_dest_func_t)H5BP_cache_leaf_dest,
+ (H5AC_clear_func_t)H5BP_cache_leaf_clear,
+ (H5AC_size_func_t)H5BP_cache_leaf_size,
+}};
+
+/* Static variables */
+
+/* Declare a free list to manage B+ tree header data to/from disk */
+H5FL_BLK_DEFINE_STATIC(header_block);
+
+/* Declare a free list to manage 'void *' array data */
+typedef void *voidp;
+H5FL_SEQ_DEFINE_STATIC(voidp);
+
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5BP_cache_hdr_load
+ *
+ * Purpose: Loads a B+ tree header from the disk.
+ *
+ * Return: Success: Pointer to a new B+ tree.
+ *
+ * Failure: NULL
+ *
+ * Programmer: Quincey Koziol
+ * koziol@ncsa.uiuc.edu
+ * Apr 19 2005
+ *
+ *-------------------------------------------------------------------------
+ */
+static H5BP_t *
+H5BP_cache_hdr_load(H5F_t *f, hid_t dxpl_id, haddr_t addr, const void *_type, void UNUSED *udata)
+{
+ const H5BP_class_t *type = (const H5BP_class_t *) _type;
+ size_t node_size; /* Size info for B+ tree */
+ unsigned split_percent, merge_percent; /* Split & merge info for B+ tree */
+ H5BP_t *bpt = NULL;
+ size_t size;
+ uint8_t *buf = NULL;
+ uint8_t *p; /* Pointer into raw data buffer */
+ H5BP_t *ret_value;
+
+ FUNC_ENTER_NOAPI(H5BP_cache_hdr_load, NULL)
+
+ /* Check arguments */
+ HDassert(f);
+ HDassert(H5F_addr_defined(addr));
+ HDassert(type);
+
+ if (NULL==(bpt = H5FL_MALLOC(H5BP_t)))
+ HGOTO_ERROR (H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed")
+ HDmemset(&bpt->cache_info,0,sizeof(H5AC_info_t));
+
+ /* Compute the size of the B+ tree header on disk */
+ size = H5BP_HEADER_SIZE(f);
+
+ /* Allocate temporary buffer */
+ if ((buf=H5FL_BLK_MALLOC(header_block,size))==NULL)
+ HGOTO_ERROR (H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed")
+
+ /* Read header from disk */
+ if (H5F_block_read(f, H5FD_MEM_BTREE, addr, size, dxpl_id, buf)<0)
+ HGOTO_ERROR(H5E_BTREE, H5E_READERROR, NULL, "can't read B+ tree header")
+
+ p = buf;
+
+ /* magic number */
+ if (HDmemcmp(p, H5BP_HDR_MAGIC, H5BP_SIZEOF_MAGIC))
+ HGOTO_ERROR(H5E_BTREE, H5E_CANTLOAD, NULL, "wrong B+ tree header signature")
+ p += H5BP_SIZEOF_MAGIC;
+
+ /* version */
+ if (*p++ != H5BP_HDR_VERSION)
+ HGOTO_ERROR(H5E_BTREE, H5E_CANTLOAD, NULL, "wrong B+ tree header version")
+
+ /* B+ tree type */
+ if (*p++ != (uint8_t)type->id)
+ HGOTO_ERROR(H5E_BTREE, H5E_CANTLOAD, NULL, "incorrect B+ tree type")
+
+ /* node size (in bytes) */
+ UINT32DECODE(p, node_size);
+
+ /* depth of tree */
+ UINT16DECODE(p, bpt->depth);
+
+ /* split & merge %s */
+ UINT16DECODE(p, split_percent);
+ UINT16DECODE(p, merge_percent);
+
+ /* root node pointer */
+ H5F_addr_decode(f, (const uint8_t **)&p, &(bpt->root.addr));
+ H5F_DECODE_LENGTH(f, p, bpt->root.all_nrec);
+ bpt->root.util = *p++;
+
+ /* Initialize shared B+ tree info */
+ if(H5BP_shared_init(bpt, type, node_size, split_percent, merge_percent)<0)
+ HGOTO_ERROR (H5E_RESOURCE, H5E_NOSPACE, NULL, "can't create shared B+ tree info")
+
+ /* Set return value */
+ ret_value = bpt;
+
+done:
+ if(buf)
+ H5FL_BLK_FREE(header_block,buf);
+ if (!ret_value && bpt)
+ (void)H5BP_cache_hdr_dest(f,bpt);
+ FUNC_LEAVE_NOAPI(ret_value)
+} /*lint !e818 Can't make udata a pointer to const */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5BP_cache_hdr_flush
+ *
+ * Purpose: Flushes a dirty B+ tree header to disk.
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Quincey Koziol
+ * koziol@ncsa.uiuc.edu
+ * Apr 19 2005
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5BP_cache_hdr_flush(H5F_t *f, hid_t dxpl_id, hbool_t destroy, haddr_t addr, H5BP_t *bpt)
+{
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI(H5BP_cache_hdr_flush, FAIL)
+
+ /* check arguments */
+ HDassert(f);
+ HDassert(H5F_addr_defined(addr));
+ HDassert(bpt);
+
+ if (bpt->cache_info.is_dirty) {
+ H5BP_shared_t *shared; /* Shared B+ tree information */
+ uint8_t *buf = NULL;
+ uint8_t *p; /* Pointer into raw data buffer */
+ size_t size;
+
+ /* Get the pointer to the shared B+ tree info */
+ shared=H5RC_GET_OBJ(bpt->shared);
+ HDassert(shared);
+
+ /* Compute the size of the B+ tree header on disk */
+ size = H5BP_HEADER_SIZE(f);
+
+ /* Allocate temporary buffer */
+ if ((buf=H5FL_BLK_MALLOC(header_block,size))==NULL)
+ HGOTO_ERROR (H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed")
+
+ p = buf;
+
+ /* magic number */
+ HDmemcpy(p, H5BP_HDR_MAGIC, H5BP_SIZEOF_MAGIC);
+ p += H5BP_SIZEOF_MAGIC;
+
+ /* version # */
+ *p++ = H5BP_HDR_VERSION;
+
+ /* B+ tree type */
+ *p++ = shared->type->id;
+
+ /* node size (in bytes) */
+ UINT32ENCODE(p, shared->node_size);
+
+ /* depth of tree */
+ UINT16ENCODE(p, bpt->depth);
+
+ /* split & merge %s */
+ UINT16ENCODE(p, shared->split_percent);
+ UINT16ENCODE(p, shared->merge_percent);
+
+ /* root node pointer */
+ H5F_addr_encode(f, &p, bpt->root.addr);
+ H5F_ENCODE_LENGTH(f, p, bpt->root.all_nrec);
+ *p++ = bpt->root.util;
+
+ /* Write the B+ tree header. */
+ if (H5F_block_write(f, H5FD_MEM_BTREE, addr, size, dxpl_id, buf) < 0)
+ HGOTO_ERROR(H5E_BTREE, H5E_CANTFLUSH, FAIL, "unable to save B+ tree header to disk")
+
+ H5FL_BLK_FREE(header_block,buf);
+
+ bpt->cache_info.is_dirty = FALSE;
+ } /* end if */
+
+ if (destroy)
+ if (H5BP_cache_hdr_dest(f, bpt) < 0)
+ HGOTO_ERROR(H5E_BTREE, H5E_CANTFREE, FAIL, "unable to destroy B+ tree header")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5BP_cache_hdr_flush() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5BP_cache_hdr_dest
+ *
+ * Purpose: Destroys a B+ tree header in memory.
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Quincey Koziol
+ * koziol@ncsa.uiuc.edu
+ * Apr 19 2005
+ *
+ *-------------------------------------------------------------------------
+ */
+/* ARGSUSED */
+herr_t
+H5BP_cache_hdr_dest(H5F_t UNUSED *f, H5BP_t *bpt)
+{
+ FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5BP_cache_hdr_dest)
+
+ /*
+ * Check arguments.
+ */
+ HDassert(bpt);
+
+ /* Decrement reference count on shared B+ tree info */
+ if(bpt->shared)
+ H5RC_DEC(bpt->shared);
+
+ /* Free B+ tree header info */
+ H5FL_FREE(H5BP_t,bpt);
+
+ FUNC_LEAVE_NOAPI(SUCCEED)
+} /* end H5BP_cache_hdr_dest() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5BP_cache_hdr_clear
+ *
+ * Purpose: Mark a B+ tree header in memory as non-dirty.
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Quincey Koziol
+ * koziol@ncsa.uiuc.edu
+ * Apr 19 2005
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5BP_cache_hdr_clear(H5F_t *f, H5BP_t *bpt, hbool_t destroy)
+{
+ herr_t ret_value = SUCCEED;
+
+ FUNC_ENTER_NOAPI_NOINIT(H5BP_cache_hdr_clear)
+
+ /*
+ * Check arguments.
+ */
+ HDassert(bpt);
+
+ /* Reset the dirty flag. */
+ bpt->cache_info.is_dirty = FALSE;
+
+ if (destroy)
+ if (H5BP_cache_hdr_dest(f, bpt) < 0)
+ HGOTO_ERROR(H5E_BTREE, H5E_CANTFREE, FAIL, "unable to destroy B+ tree header")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5BP_cache_hdr_clear() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5BP_cache_hdr_size
+ *
+ * Purpose: Compute the size in bytes of a B+ tree header
+ * on disk, and return it in *size_ptr. On failure,
+ * the value of *size_ptr is undefined.
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Quincey Koziol
+ * koziol@ncsa.uiuc.edu
+ * Apr 19 2005
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5BP_cache_hdr_size(const H5F_t *f, const H5BP_t UNUSED *bpt, size_t *size_ptr)
+{
+ FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5BP_cache_hdr_size)
+
+ /* check arguments */
+ HDassert(f);
+ HDassert(size_ptr);
+
+ /* Set size value */
+ *size_ptr = H5BP_HEADER_SIZE(f);
+
+ FUNC_LEAVE_NOAPI(SUCCEED)
+} /* H5BP_cache_hdr_size() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5BP_cache_leaf_load
+ *
+ * Purpose: Loads a B+ tree leaf from the disk.
+ *
+ * Return: Success: Pointer to a new B+ tree leaf node.
+ *
+ * Failure: NULL
+ *
+ * Programmer: Quincey Koziol
+ * koziol@ncsa.uiuc.edu
+ * Apr 19 2005
+ *
+ *-------------------------------------------------------------------------
+ */
+static H5BP_leaf_t *
+H5BP_cache_leaf_load(H5F_t *f, hid_t dxpl_id, haddr_t addr, const void *_nrec, void *_bpt_shared)
+{
+ const unsigned char *nrec = (const unsigned char *)_nrec;
+ H5RC_t *bpt_shared=(H5RC_t *)_bpt_shared; /* Shared B+ tree information */
+ H5BP_shared_t *shared; /* Shared B+ tree information */
+ H5BP_leaf_t *leaf = NULL; /* Pointer to new leaf */
+ uint8_t *p; /* Pointer into raw data buffer */
+ size_t rec_size; /* Size of records */
+ unsigned u; /* Local index variable */
+ H5BP_leaf_t *ret_value;
+
+ FUNC_ENTER_NOAPI(H5BP_cache_leaf_load, NULL)
+
+ /* Check arguments */
+ HDassert(f);
+ HDassert(H5F_addr_defined(addr));
+ HDassert(bpt_shared);
+
+ if (NULL==(leaf = H5FL_MALLOC(H5BP_leaf_t)))
+ HGOTO_ERROR (H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed")
+ HDmemset(&leaf->cache_info,0,sizeof(H5AC_info_t));
+
+ /* Share common B+ tree information */
+ leaf->shared = bpt_shared;
+ H5RC_INC(leaf->shared);
+
+ /* Get the pointer to the shared B+ tree info */
+ shared=H5RC_GET_OBJ(leaf->shared);
+ HDassert(shared);
+
+ /* Check if we can use existing buffer for node */
+ /* Read header from disk */
+ if (H5F_block_read(f, H5FD_MEM_BTREE, addr, shared->node_size, dxpl_id, shared->page)<0)
+ HGOTO_ERROR(H5E_BTREE, H5E_READERROR, NULL, "can't read B+ tree leaf node")
+
+ p = shared->page;
+
+ /* magic number */
+ if (HDmemcmp(p, H5BP_LEAF_MAGIC, H5BP_SIZEOF_MAGIC))
+ HGOTO_ERROR(H5E_BTREE, H5E_CANTLOAD, NULL, "wrong B+ tree leaf node signature")
+ p += H5BP_SIZEOF_MAGIC;
+
+ /* version */
+ if (*p++ != H5BP_LEAF_VERSION)
+ HGOTO_ERROR(H5E_BTREE, H5E_CANTLOAD, NULL, "wrong B+ tree leaf node version")
+
+ /* B+ tree type */
+ if (*p++ != (uint8_t)shared->type->id)
+ HGOTO_ERROR(H5E_BTREE, H5E_CANTLOAD, NULL, "incorrect B+ tree type")
+
+ /* Set the number of records in the leaf */
+ leaf->nrec = *nrec;
+
+ /* Get the status flags for the leaf */
+ leaf->flags = *p++;
+
+ /* Create record pool for leaf node */
+ if((leaf->rec_pool = H5MP_create(H5BP_LEAF_POOL_PAGE, H5MP_FLG_DEFAULT)) == NULL)
+ HGOTO_ERROR(H5E_BTREE, H5E_NOSPACE, NULL, "can't allocate memory pool")
+
+ /* Retrieve variable-length record information, if present */
+ if(H5BP_LEAF_REC_VARLEN(leaf->flags)) {
+ /* Allocate space for the record pointers */
+ if((leaf->rec_ptr = H5FL_SEQ_MALLOC(voidp, leaf->nrec)) == NULL)
+ HGOTO_ERROR(H5E_BTREE, H5E_NOSPACE, NULL, "can't allocate record pointers for node")
+
+ /* Work through the records on disk and insert them into array for node */
+ for(u = 0; u < leaf->nrec; u++) {
+ size_t rec_len; /* Index of current record */
+
+ /* Determine the length of the record */
+ UINT16DECODE(p, rec_len);
+
+ /* Decode the record */
+ if((leaf->rec_ptr[u] = (shared->type->decode)(f, leaf->rec_pool, p, rec_len)) == NULL)
+ HGOTO_ERROR(H5E_BTREE, H5E_CANTDECODE, NULL, "can't decode B+ tree record")
+ p += rec_len;
+ } /* end for */
+ } /* end if */
+ else {
+ /* Retrieve the records' size */
+ UINT16DECODE(p, rec_size);
+
+HDfprintf(stderr,"%s: attempting to decode fixed-size records from leaf node\n",FUNC);
+HGOTO_ERROR(H5E_BTREE, H5E_UNSUPPORTED, NULL, "Can't decode records yet!")
+ } /* end else */
+
+ /* Set return value */
+ ret_value = leaf;
+
+done:
+ if (!ret_value && leaf)
+ (void)H5BP_cache_leaf_dest(f,leaf);
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5BP_cache_leaf_load() */ /*lint !e818 Can't make udata a pointer to const */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5BP_cache_leaf_flush
+ *
+ * Purpose: Flushes a dirty B+ tree leaf node to disk.
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Quincey Koziol
+ * koziol@ncsa.uiuc.edu
+ * Apr 19 2005
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5BP_cache_leaf_flush(H5F_t *f, hid_t dxpl_id, hbool_t destroy, haddr_t addr, H5BP_leaf_t *leaf)
+{
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI(H5BP_cache_leaf_flush, FAIL)
+
+ /* check arguments */
+ HDassert(f);
+ HDassert(H5F_addr_defined(addr));
+ HDassert(leaf);
+
+ if (leaf->cache_info.is_dirty) {
+ H5BP_shared_t *shared; /* Shared B+ tree information */
+ uint8_t *p; /* Pointer into raw data buffer */
+#ifdef LATER
+ uint8_t *native; /* Pointer to native keys */
+ unsigned u; /* Local index variable */
+#endif /* LATER */
+
+ /* Get the pointer to the shared B+ tree info */
+ shared=H5RC_GET_OBJ(leaf->shared);
+ HDassert(shared);
+
+ p = shared->page;
+
+ /* magic number */
+ HDmemcpy(p, H5BP_LEAF_MAGIC, H5BP_SIZEOF_MAGIC);
+ p += H5BP_SIZEOF_MAGIC;
+
+ /* version # */
+ *p++ = H5BP_LEAF_VERSION;
+
+ /* B+ tree type */
+ *p++ = shared->type->id;
+
+ /* status flags */
+ *p++ = leaf->flags;
+
+ /* Serialize records */
+ if(H5BP_LEAF_REC_VARLEN(leaf->flags)) {
+ unsigned u; /* Local index */
+
+ /* Work through the records in memory and encode them to disk */
+ for(u = 0; u < leaf->nrec; u++) {
+ size_t rec_len; /* Index of current record */
+ uint8_t *tp; /* Temporary pointer into raw data buffer */
+
+ /* Save the location for the record length */
+ tp = p;
+
+ /* Skip over the location for the record length */
+ p += 2;
+
+ /* Encode the record */
+ if((shared->type->encode)(f, leaf->rec_ptr[u], p, &rec_len) < 0)
+ HGOTO_ERROR(H5E_BTREE, H5E_CANTENCODE, NULL, "can't encode B+ tree record")
+ assert(rec_len > 0);
+ p += rec_len;
+
+ /* Encode the record length */
+ UINT16ENCODE(tp, rec_len);
+ } /* end for */
+ } /* end if */
+ else {
+HDfprintf(stderr,"%s: attempting to decode fixed-size records from leaf node\n",FUNC);
+HGOTO_ERROR(H5E_BTREE, H5E_UNSUPPORTED, NULL, "Can't decode records yet!")
+ } /* end else */
+
+#ifdef LATER
+ /* Serialize records for leaf node */
+ native=leaf->leaf_native;
+ for(u=0; u<leaf->nrec; u++) {
+ /* Encode record */
+ if((shared->type->encode)(f,p,native)<0)
+ HGOTO_ERROR(H5E_BTREE, H5E_CANTENCODE, FAIL, "unable to encode B+ tree record")
+
+ /* Move to next record */
+ p += shared->rrec_size;
+ native += shared->type->nrec_size;
+ } /* end for */
+#endif /* LATER */
+
+ /* Write the B+ tree leaf node */
+ if (H5F_block_write(f, H5FD_MEM_BTREE, addr, shared->node_size, dxpl_id, shared->page) < 0)
+ HGOTO_ERROR(H5E_BTREE, H5E_CANTFLUSH, FAIL, "unable to save B+ tree leaf node to disk")
+
+ leaf->cache_info.is_dirty = FALSE;
+ } /* end if */
+
+ if (destroy)
+ if (H5BP_cache_leaf_dest(f,leaf) < 0)
+ HGOTO_ERROR(H5E_BTREE, H5E_CANTFREE, FAIL, "unable to destroy B+ tree leaf node")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5BP_cache_leaf_flush() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5BP_cache_leaf_dest
+ *
+ * Purpose: Destroys a B+ tree leaf node in memory.
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Quincey Koziol
+ * koziol@ncsa.uiuc.edu
+ * Apr 19 2005
+ *
+ *-------------------------------------------------------------------------
+ */
+/* ARGSUSED */
+herr_t
+H5BP_cache_leaf_dest(H5F_t UNUSED *f, H5BP_leaf_t *leaf)
+{
+ FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5BP_cache_leaf_dest)
+
+ /*
+ * Check arguments.
+ */
+ HDassert(leaf);
+
+ /* Decrement reference count on shared B+ tree info */
+ if(leaf->shared)
+ H5RC_DEC(leaf->shared);
+
+ /* Release B+ tree leaf node record pointer array */
+ H5FL_SEQ_FREE(voidp, leaf->rec_ptr);
+
+ /* Release B+ tree leaf node record memory pool */
+ H5MP_close(leaf->rec_pool);
+
+ /* Free B+ tree leaf node info */
+ H5FL_FREE(H5BP_leaf_t, leaf);
+
+ FUNC_LEAVE_NOAPI(SUCCEED)
+} /* end H5BP_cache_leaf_dest() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5BP_cache_leaf_clear
+ *
+ * Purpose: Mark a B+ tree leaf node in memory as non-dirty.
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Quincey Koziol
+ * koziol@ncsa.uiuc.edu
+ * Apr 19 2005
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5BP_cache_leaf_clear(H5F_t *f, H5BP_leaf_t *leaf, hbool_t destroy)
+{
+ herr_t ret_value = SUCCEED;
+
+ FUNC_ENTER_NOAPI_NOINIT(H5BP_cache_leaf_clear)
+
+ /*
+ * Check arguments.
+ */
+ HDassert(leaf);
+
+ /* Reset the dirty flag. */
+ leaf->cache_info.is_dirty = FALSE;
+
+ if (destroy)
+ if (H5BP_cache_leaf_dest(f, leaf) < 0)
+ HGOTO_ERROR(H5E_BTREE, H5E_CANTFREE, FAIL, "unable to destroy B+ tree leaf node")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5BP_cache_leaf_clear() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5BP_cache_leaf_size
+ *
+ * Purpose: Compute the size in bytes of a B+ tree leaf node
+ * on disk, and return it in *size_ptr. On failure,
+ * the value of *size_ptr is undefined.
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Quincey Koziol
+ * koziol@ncsa.uiuc.edu
+ * Apr 19 2005
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5BP_cache_leaf_size(const H5F_t UNUSED *f, const H5BP_leaf_t *leaf, size_t *size_ptr)
+{
+ H5BP_shared_t *shared; /* Shared B+ tree information */
+
+ FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5BP_cache_leaf_size)
+
+ /* check arguments */
+ HDassert(leaf);
+ HDassert(size_ptr);
+
+ /* Get the pointer to the shared B+ tree info */
+ shared=H5RC_GET_OBJ(leaf->shared);
+ HDassert(shared);
+
+ /* Set size value */
+ *size_ptr = shared->node_size;
+
+ FUNC_LEAVE_NOAPI(SUCCEED)
+} /* H5BP_cache_leaf_size() */
+
diff --git a/src/H5BPdbg.c b/src/H5BPdbg.c
new file mode 100644
index 0000000..07dd492
--- /dev/null
+++ b/src/H5BPdbg.c
@@ -0,0 +1,120 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * 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://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have *
+ * access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/*-------------------------------------------------------------------------
+ *
+ * Created: H5BPdbg.c
+ * Apr 19 2005
+ * Quincey Koziol <koziol@ncsa.uiuc.edu>
+ *
+ * Purpose: Dump debugging information about a B+ tree.
+ *
+ *-------------------------------------------------------------------------
+ */
+
+#define H5BP_PACKAGE /*suppress error about including H5BPpkg */
+
+/* Private headers */
+#include "H5private.h" /* Generic Functions */
+#include "H5BPpkg.h" /* B+ trees */
+#include "H5Eprivate.h" /* Error handling */
+#include "H5FLprivate.h" /* Free Lists */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5BP_hdr_debug
+ *
+ * Purpose: Prints debugging info about a B+ tree header.
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Quincey Koziol
+ * koziol@ncsa.uiuc.edu
+ * Apr 19 2005
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5BP_hdr_debug(H5F_t *f, hid_t dxpl_id, haddr_t addr, FILE *stream, int indent, int fwidth,
+ const H5BP_class_t *type)
+{
+ H5BP_t *bpt = NULL;
+ H5BP_shared_t *shared; /* Shared B+ tree information */
+ herr_t ret_value=SUCCEED; /* Return value */
+
+ FUNC_ENTER_NOAPI(H5BP_hdr_debug, FAIL)
+
+ /*
+ * Check arguments.
+ */
+ assert(f);
+ assert(H5F_addr_defined(addr));
+ assert(stream);
+ assert(indent >= 0);
+ assert(fwidth >= 0);
+
+ /*
+ * Load the B+ tree header.
+ */
+ if (NULL == (bpt = H5AC_protect(f, dxpl_id, H5AC_BPT_HDR, addr, type, NULL, H5AC_READ)))
+ HGOTO_ERROR(H5E_BTREE, H5E_CANTLOAD, FAIL, "unable to load B+ tree header")
+
+ /* Get the pointer to the shared B+ tree info */
+ shared=H5RC_GET_OBJ(bpt->shared);
+ assert(shared);
+
+ /*
+ * Print the values.
+ */
+ HDfprintf(stream, "%*s%-*s %s\n", indent, "", fwidth,
+ "Tree type ID:",
+ (shared->type->id == H5BP_TEST_ID ? "H5BP_TEST_ID" :
+ "Unknown!"));
+ HDfprintf(stream, "%*s%-*s %Zu\n", indent, "", fwidth,
+ "Size of node:",
+ shared->node_size);
+ HDfprintf(stream, "%*s%-*s %s\n", indent, "", fwidth,
+ "Dirty flag:",
+ bpt->cache_info.is_dirty ? "True" : "False");
+ HDfprintf(stream, "%*s%-*s %u\n", indent, "", fwidth,
+ "Depth:",
+ bpt->depth);
+ HDfprintf(stream, "%*s%-*s %Hu\n", indent, "", fwidth,
+ "Number of records in tree:",
+ bpt->root.all_nrec);
+ if(H5BP_NODE_OVERSIZE(bpt->root.util))
+ HDfprintf(stream, "%*s%-*s %u\n", indent, "", fwidth,
+ "Root node size multiplier:",
+ (unsigned)(bpt->root.util & 0x7f));
+ else
+ HDfprintf(stream, "%*s%-*s %u\n", indent, "", fwidth,
+ "Root node size utilization:",
+ (unsigned)bpt->root.util);
+ HDfprintf(stream, "%*s%-*s %a\n", indent, "", fwidth,
+ "Address of root node:",
+ bpt->root.addr);
+ HDfprintf(stream, "%*s%-*s %u\n", indent, "", fwidth,
+ "Split percent:",
+ shared->split_percent);
+ HDfprintf(stream, "%*s%-*s %u\n", indent, "", fwidth,
+ "Merge percent:",
+ shared->merge_percent);
+
+done:
+ if (bpt && H5AC_unprotect(f, dxpl_id, H5AC_BPT_HDR, addr, bpt, H5AC__NO_FLAGS_SET) < 0)
+ HDONE_ERROR(H5E_BTREE, H5E_PROTECT, FAIL, "unable to release B+ tree header")
+
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5BP_hdr_debug() */
+
diff --git a/src/H5BPpkg.h b/src/H5BPpkg.h
new file mode 100644
index 0000000..3ec5667
--- /dev/null
+++ b/src/H5BPpkg.h
@@ -0,0 +1,212 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * 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://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have *
+ * access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/*
+ * Programmer: Quincey Koziol <koziol@ncsa.uiuc.edu>
+ * Thursday, April 14, 2005
+ *
+ * Purpose: This file contains declarations which are visible only within
+ * the H5BP package. Source files outside the H5BP package should
+ * include H5BPprivate.h instead.
+ */
+#ifndef H5BP_PACKAGE
+#error "Do not include this file outside the H5BP package!"
+#endif
+
+#ifndef _H5BPpkg_H
+#define _H5BPpkg_H
+
+/* Get package's private header */
+#include "H5BPprivate.h"
+
+/* Other private headers needed by this file */
+#include "H5ACprivate.h" /* Metadata cache */
+#include "H5FLprivate.h" /* Free Lists */
+#include "H5RCprivate.h" /* Reference counted object functions */
+
+/**************************/
+/* Package Private Macros */
+/**************************/
+
+/* Size of signature information (on disk) */
+#define H5BP_SIZEOF_MAGIC 4
+
+/* B+ tree signatures */
+#define H5BP_HDR_MAGIC "BPHD" /* Header */
+#define H5BP_INT_MAGIC "BPBR" /* Branch node */
+#define H5BP_TWIG_MAGIC "BPTW" /* Twig node */
+#define H5BP_LEAF_MAGIC "BPLF" /* Leaf node */
+#define H5BP_EXTENT_MAGIC "BPEX" /* Extent node */
+
+/* Size of storage for number of separators per node (on disk) */
+#define H5BP_SIZEOF_SEPS_PER_NODE 2
+
+/* Size of storage for "node size multiplier" (on disk) */
+#define H5BP_SIZEOF_NODE_MULT 1
+
+/* Size of a "full" node pointer (on disk) */
+#define H5BP_NODE_POINTER_SIZE(f) (H5F_SIZEOF_ADDR(f)+H5F_SIZEOF_SIZE(f)+H5BP_SIZEOF_NODE_MULT)
+
+/* Size of the B+ tree header on disk */
+#define H5BP_HEADER_SIZE(f) ( \
+ 4 + /* Signature */ \
+ 1 + /* Version */ \
+ 1 + /* Tree type */ \
+ 4 + /* Node size, in bytes */ \
+ 2 + /* Depth of tree */ \
+ 2 + /* Split % of full (as integer, ie. "98" means 98%) */ \
+ 2 + /* Merge % of full (as integer, ie. "98" means 98%) */ \
+ H5BP_NODE_POINTER_SIZE(f)) /* Node pointer to root node in tree */
+
+/* Determine whether a node is oversized */
+/* The high bit is set in utilization field for oversized nodes */
+#define H5BP_NODE_OVERSIZE(u) ((u) & 0x80)
+
+/* Determine whether a leaf node has variable-length records */
+/* The low bit is set in "flag" field for nodes w/variable-length records */
+#define H5BP_LEAF_REC_VARLEN(u) ((u) & 0x01)
+
+/* Size of memory pool pages for leaf nodes */
+#define H5BP_LEAF_POOL_PAGE H5MP_PAGE_SIZE_DEFAULT
+
+
+/****************************/
+/* Package Private Typedefs */
+/****************************/
+
+/* A "node pointer" to another B+ tree node */
+typedef struct {
+ haddr_t addr; /* Address of other node */
+ hsize_t all_nrec; /* Number of records in node pointed to and all it's children */
+ unsigned char util; /* Percent utilization/page node multiple */
+} H5BP_node_ptr_t;
+
+/* Each B+ tree has certain information that can be shared across all
+ * the instances of nodes in that B-tree.
+ */
+typedef struct H5BP_shared_t {
+ /* Shared internal data structures */
+ const H5BP_class_t *type; /* Type of tree */
+ uint8_t *page; /* Disk page */
+
+ /* Information set by user */
+ unsigned split_percent; /* Percent full at which to split the node, when inserting */
+ unsigned merge_percent; /* Percent full at which to merge the node, when deleting */
+ size_t node_size; /* Size of all nodes, in bytes */
+} H5BP_shared_t;
+
+/* The B+ tree information */
+typedef struct H5BP_t {
+ /* Information for H5AC cache functions, _must_ be first field in structure */
+ H5AC_info_t cache_info;
+
+ /* Internal B+ tree information */
+ unsigned depth; /* B+ tree's overall depth */
+ H5BP_node_ptr_t root; /* Node pointer to root node in B+ tree */
+ H5RC_t *shared; /* Ref-counted shared info */
+} H5BP_t;
+
+/* B+ tree internal branch node information */
+typedef struct H5BP_branch_t {
+ /* Information for H5AC cache functions, _must_ be first field in structure */
+ H5AC_info_t cache_info;
+
+ /* Internal B+ tree information */
+ H5RC_t *shared; /* Ref-counted shared info */
+ uint8_t *int_native; /* Pointer to native records */
+ H5BP_node_ptr_t *node_ptrs; /* Pointer to node pointers */
+ unsigned nrec; /* Number of records in node */
+} H5BP_branch_t;
+
+/* B+ tree internal twig node information */
+typedef struct H5BP_twig_t {
+ /* Information for H5AC cache functions, _must_ be first field in structure */
+ H5AC_info_t cache_info;
+
+ /* Internal B+ tree information */
+ H5RC_t *shared; /* Ref-counted shared info */
+ uint8_t *int_native; /* Pointer to native records */
+ H5BP_node_ptr_t *node_ptrs; /* Pointer to node pointers */
+ unsigned nrec; /* Number of records in node */
+} H5BP_twig_t;
+
+/* B+ tree leaf node information */
+typedef struct H5BP_leaf_t {
+ /* Information for H5AC cache functions, _must_ be first field in structure */
+ H5AC_info_t cache_info;
+
+ /* Internal B+ tree information */
+ H5RC_t *shared; /* Ref-counted shared info */
+ H5MP_pool_t *rec_pool; /* Pool containing records for node */
+ void **rec_ptr; /* Array of pointers to records in pool */
+ unsigned nrec; /* Number of records in node */
+ unsigned char flags; /* Status flags for leaf node */
+} H5BP_leaf_t;
+
+#ifdef H5BP_TESTING
+/* Record for testing B+ trees */
+typedef struct {
+ hsize_t count;
+ char *name;
+} H5BP_test_rec_t;
+#endif /* H5BP_TESTING */
+
+
+/*****************************/
+/* Package Private Variables */
+/*****************************/
+
+/* H5BP header inherits cache-like properties from H5AC */
+H5_DLLVAR const H5AC_class_t H5AC_BPT_HDR[1];
+
+/* H5BP branch node inherits cache-like properties from H5AC */
+H5_DLLVAR const H5AC_class_t H5AC_BPT_BRANCH[1];
+
+/* H5BP twig node inherits cache-like properties from H5AC */
+H5_DLLVAR const H5AC_class_t H5AC_BPT_TWIG[1];
+
+/* H5BP leaf node inherits cache-like properties from H5AC */
+H5_DLLVAR const H5AC_class_t H5AC_BPT_LEAF[1];
+
+/* Declare a free list to manage the H5BP_t struct */
+H5FL_EXTERN(H5BP_t);
+
+/* Declare a free list to manage the H5BP_branch_t struct */
+H5FL_EXTERN(H5BP_branch_t);
+
+/* Declare a free list to manage the H5BP_twig_t struct */
+H5FL_EXTERN(H5BP_twig_t);
+
+/* Declare a free list to manage the H5BP_leaf_t struct */
+H5FL_EXTERN(H5BP_leaf_t);
+
+/* Internal B+ tree testing class */
+#ifdef H5BP_TESTING
+H5_DLLVAR const H5BP_class_t H5BP_TEST[1];
+#endif /* H5BP_TESTING */
+
+
+/******************************/
+/* Package Private Prototypes */
+/******************************/
+H5_DLL herr_t H5BP_shared_free (void *_shared);
+H5_DLL herr_t H5BP_shared_init (H5BP_t *bpt, const H5BP_class_t *type,
+ size_t node_size, unsigned split_percent, unsigned merge_percent);
+H5_DLL herr_t H5BP_cache_hdr_dest(H5F_t *f, H5BP_t *bpt);
+H5_DLL herr_t H5BP_cache_leaf_dest(H5F_t UNUSED *f, H5BP_leaf_t *leaf);
+H5_DLL herr_t H5BP_hdr_debug(H5F_t *f, hid_t dxpl_id, haddr_t addr,
+ FILE *stream, int indent, int fwidth, const H5BP_class_t *type);
+
+#endif /* _H5BPpkg_H */
+
diff --git a/src/H5BPprivate.h b/src/H5BPprivate.h
new file mode 100644
index 0000000..88048ef
--- /dev/null
+++ b/src/H5BPprivate.h
@@ -0,0 +1,86 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * 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://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have *
+ * access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/*-------------------------------------------------------------------------
+ *
+ * Created: H5BPprivate.h
+ * Apr 14 2005
+ * Quincey Koziol <koziol@ncsa.uiuc.edu>
+ *
+ * Purpose: Private header for library accessible B+ tree routines.
+ *
+ *-------------------------------------------------------------------------
+ */
+
+#ifndef _H5BPprivate_H
+#define _H5BPprivate_H
+
+/* Include package's public header */
+#include "H5BPpublic.h"
+
+/* Private headers needed by this file */
+#include "H5Fprivate.h" /* File access */
+#include "H5MPprivate.h" /* Memory Pools */
+
+/**************************/
+/* Library Private Macros */
+/**************************/
+
+
+/****************************/
+/* Library Private Typedefs */
+/****************************/
+
+/* B+ tree IDs for various internal things. */
+typedef enum H5BP_subid_t {
+ H5BP_TEST_ID = 0, /* B+ tree is for testing (do not use for actual data) */
+ H5BP_NUM_BTREE_ID /* Number of B-tree IDs (must be last) */
+} H5BP_subid_t;
+
+/*
+ * Each class of object that can be pointed to by a B+ tree has a
+ * variable of this type that contains class variables and methods.
+ */
+typedef struct H5BP_class_t {
+ H5BP_subid_t id; /*id as found in file*/
+
+ /* Copy native application record */
+ void * (*copy)(const void *record); /* Copy native record */
+
+ /* Compare key */
+ herr_t (*compare)(const void *key1, const void *key2); /* Compare two native keys */
+
+ /* Encode & decode record values */
+ /* (i.e. native application form <-> disk form) */
+ herr_t (*raw_len)(const H5F_t *f, const void *record, size_t *len); /* Determine length of raw (disk) form from native form */
+ herr_t (*encode)(const H5F_t *f, const uint8_t *native, uint8_t *raw, size_t *rec_len); /* Encode record from native form to disk storage form */
+ void * (*decode)(const H5F_t *f, H5MP_pool_t *pool, const uint8_t *raw, size_t rec_len); /* Decode record from disk storage form to native form */
+
+ /* Debug record values */
+ herr_t (*debug) (FILE *stream, const H5F_t *f, hid_t dxpl_id, /* Print a record for debugging */
+ int indent, int fwidth, const void *record, const void *udata);
+
+} H5BP_class_t;
+
+/***************************************/
+/* Library-private Function Prototypes */
+/***************************************/
+H5_DLL herr_t H5BP_create(H5F_t *f, hid_t dxpl_id, const H5BP_class_t *type,
+ size_t node_size, unsigned split_percent, unsigned merge_percent,
+ haddr_t *addr_p);
+H5_DLL herr_t H5BP_insert(H5F_t *f, hid_t dxpl_id, const H5BP_class_t *type,
+ haddr_t addr, void *udata);
+
+#endif /* _H5BPprivate_H */
+
diff --git a/src/H5BPpublic.h b/src/H5BPpublic.h
new file mode 100644
index 0000000..8f3dd25
--- /dev/null
+++ b/src/H5BPpublic.h
@@ -0,0 +1,53 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * 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://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have *
+ * access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/*-------------------------------------------------------------------------
+ *
+ * Created: H5BPpublic.h
+ * Apr 19 2005
+ * Quincey Koziol <koziol@ncsa.uiuc.edu>
+ *
+ * Purpose: Public declarations for the H5BP package.
+ *
+ *-------------------------------------------------------------------------
+ */
+#ifndef _H5BPpublic_H
+#define _H5BPpublic_H
+
+/* Public headers needed by this file */
+#include "H5public.h"
+
+/*****************/
+/* Public Macros */
+/*****************/
+
+/*******************/
+/* Public Typedefs */
+/*******************/
+
+/**********************************/
+/* Public API Function Prototypes */
+/**********************************/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* _H5BPpublic_H */
+
+
diff --git a/src/H5BPtest.c b/src/H5BPtest.c
new file mode 100644
index 0000000..025bdf7
--- /dev/null
+++ b/src/H5BPtest.c
@@ -0,0 +1,237 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * 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://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have *
+ * access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/* Programmer: Quincey Koziol <koziol@ncsa.uiuc.edu>
+ * Thursday, April 19, 2005
+ *
+ * Purpose: B+ tree testing functions.
+ */
+
+#define H5BP_PACKAGE /*suppress error about including H5BPpkg */
+#define H5BP_TESTING /*suppress warning about H5BP testing funcs*/
+
+/* Private headers */
+#include "H5private.h" /* Generic Functions */
+#include "H5BPpkg.h" /* B+ trees */
+#include "H5Eprivate.h" /* Error handling */
+#include "H5MMprivate.h" /* Memory management */
+
+/* Static Prototypes */
+static void *H5BP_test_copy(const void *rec);
+static herr_t H5BP_test_compare(const void *rec1, const void *rec2);
+static herr_t H5BP_test_raw_len(const H5F_t *f, const void *record, size_t *len);
+static herr_t H5BP_test_encode(const H5F_t *f, const uint8_t *native,
+ uint8_t *raw, size_t *rec_len);
+static void *H5BP_test_decode(const H5F_t *f, H5MP_pool_t *pool,
+ const uint8_t *raw, size_t rec_len);
+static herr_t H5BP_test_debug(FILE *stream, const H5F_t *f, hid_t dxpl_id,
+ int indent, int fwidth, const void *record, const void *_udata);
+
+/* Package variables */
+const H5BP_class_t H5BP_TEST[1]={{ /* B+ tree class information */
+ H5BP_TEST_ID, /* Type of B+ tree */
+ H5BP_test_copy, /* Record copy callback */
+ H5BP_test_compare, /* Record comparison callback */
+ H5BP_test_raw_len, /* Record 'raw len' callback */
+ H5BP_test_encode, /* Record encoding callback */
+ H5BP_test_decode, /* Record decoding callback */
+ H5BP_test_debug /* Record debugging callback */
+}};
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5BP_test_copy
+ *
+ * Purpose: Copy native information record
+ *
+ * Return: Pointer to new record on success, NULL on failure
+ *
+ * Programmer: Quincey Koziol
+ * Monday, April 25, 2005
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+static void *
+H5BP_test_copy(const void *rec)
+{
+ FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5BP_test_copy)
+
+ /* Copy record */
+ FUNC_LEAVE_NOAPI(HDstrdup(rec));
+} /* H5BP_test_copy() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5BP_test_compare
+ *
+ * Purpose: Compare two native information records, according to some key
+ *
+ * Return: <0 if rec1 < rec2
+ * =0 if rec1 == rec2
+ * >0 if rec1 > rec2
+ *
+ * Programmer: Quincey Koziol
+ * Tuesday, April 19, 2005
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5BP_test_compare(const void *rec1, const void *rec2)
+{
+ FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5BP_test_compare)
+
+ FUNC_LEAVE_NOAPI(HDstrcmp(*(const char **)rec1, *(const char **)rec2));
+} /* H5BP_test_compare() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5BP_test_raw_len
+ *
+ * Purpose: Determine the length of the raw form of a record
+ *
+ * Return: <0 if rec1 < rec2
+ * =0 if rec1 == rec2
+ * >0 if rec1 > rec2
+ *
+ * Programmer: Quincey Koziol
+ * Tuesday, April 19, 2005
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5BP_test_raw_len(const H5F_t UNUSED *f, const void *record, size_t *len)
+{
+ FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5BP_test_raw_len)
+
+ *len = HDstrlen((const char *)record);
+
+ FUNC_LEAVE_NOAPI(SUCCEED);
+} /* H5BP_test_raw_len() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5BP_test_encode
+ *
+ * Purpose: Encode native information into raw form for storing on disk
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Tuesday, April 19, 2005
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5BP_test_encode(const H5F_t *f, const uint8_t *native, uint8_t *raw, size_t *rec_len)
+{
+ FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5BP_test_encode)
+
+ /* Sanity check */
+ HDassert(f);
+ HDassert(native);
+ HDassert(raw);
+ HDassert(rec_len);
+
+ /* Get the record length */
+ *rec_len = HDstrlen((const char *)native);
+
+ /* "Encode" the record */
+ HDmemcpy(raw, native, *rec_len);
+
+ FUNC_LEAVE_NOAPI(SUCCEED);
+} /* H5BP_test_encode() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5BP_test_decode
+ *
+ * Purpose: Decode raw disk form of record into native form
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Tuesday, April 19, 2005
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+static void *
+H5BP_test_decode(const H5F_t *f, H5MP_pool_t *pool, const uint8_t *raw, size_t rec_len)
+{
+ void *ret_value; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5BP_test_decode)
+
+ /* Sanity check */
+ HDassert(f);
+ HDassert(pool);
+ HDassert(raw);
+ HDassert(rec_len > 0);
+
+ /* Allocate space for the record */
+ if((ret_value = H5MP_malloc(pool, rec_len + 1)) == NULL)
+ HGOTO_ERROR(H5E_BTREE, H5E_NOSPACE, NULL, "Can't allocate space for record")
+
+ /* "Decode" the record */
+ HDmemcpy(ret_value, raw, rec_len);
+ *((unsigned char *)ret_value + rec_len) = '\0';
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5BP_test_decode() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5BP_test_debug
+ *
+ * Purpose: Debug native form of record
+ *
+ * Return: Success: non-negative
+ *
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Tuesday, April 19, 2005
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5BP_test_debug(FILE *stream, const H5F_t UNUSED *f, hid_t UNUSED dxpl_id, int indent, int fwidth,
+ const void *record, const void UNUSED *_udata)
+{
+ FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5BP_test_debug)
+
+ HDassert (record);
+
+ HDfprintf(stream, "%*s%-*s %s\n", indent, "", fwidth, "Record:",
+ *(const char *)record);
+
+ FUNC_LEAVE_NOAPI(SUCCEED);
+} /* H5BP_test_debug() */
+
diff --git a/src/H5Cpkg.h b/src/H5Cpkg.h
index 7d708f8..2ab2e9b 100644
--- a/src/H5Cpkg.h
+++ b/src/H5Cpkg.h
@@ -574,7 +574,7 @@
****************************************************************************/
#define H5C__H5C_T_MAGIC 0x005CAC0E
-#define H5C__MAX_NUM_TYPE_IDS 10
+#define H5C__MAX_NUM_TYPE_IDS 12
struct H5C_t
{
diff --git a/src/Makefile.am b/src/Makefile.am
index 0349292..4ab403a 100755
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -42,7 +42,8 @@ DISTCLEAN=libhdf5.settings
# library sources
libhdf5_la_SOURCES= H5.c H5A.c H5AC.c H5B.c H5B2.c H5B2cache.c H5B2dbg.c \
- H5B2test.c H5BT.c H5BTbtree2.c H5BTcache.c H5BTdbg.c H5BTtest.c H5C.c \
+ H5B2test.c H5BP.c H5BPcache.c H5BPdbg.c H5BPtest.c \
+ H5BT.c H5BTbtree2.c H5BTcache.c H5BTdbg.c H5BTtest.c H5C.c \
H5D.c \
H5Dcontig.c \
H5Dcompact.c \
@@ -72,7 +73,7 @@ libhdf5_la_SOURCES= H5.c H5A.c H5AC.c H5B.c H5B2.c H5B2cache.c H5B2dbg.c \
# Public headers
include_HEADERS =H5public.h H5Apublic.h H5ACpublic.h H5Bpublic.h H5B2public.h \
- H5BTpublic.h H5Cpublic.h H5Dpublic.h \
+ H5BPpublic.h H5BTpublic.h H5Cpublic.h H5Dpublic.h \
H5Epubgen.h H5Epublic.h H5Fpublic.h H5FDpublic.h H5FDcore.h H5FDfamily.h \
H5FDfphdf5.h H5FDlog.h H5FDmpi.h H5FDmpio.h H5FDmpiposix.h \
H5FDmulti.h H5FDsec2.h H5FDstdio.h H5FDstream.h H5FPpublic.h \
diff --git a/src/Makefile.in b/src/Makefile.in
index f22db4c..dbb59a7 100644
--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -83,8 +83,9 @@ libLTLIBRARIES_INSTALL = $(INSTALL)
LTLIBRARIES = $(lib_LTLIBRARIES)
libhdf5_la_LIBADD =
am_libhdf5_la_OBJECTS = H5.lo H5A.lo H5AC.lo H5B.lo H5B2.lo \
- H5B2cache.lo H5B2dbg.lo H5B2test.lo H5BT.lo H5BTbtree2.lo \
- H5BTcache.lo H5BTdbg.lo H5BTtest.lo H5C.lo H5D.lo H5Dcontig.lo \
+ H5B2cache.lo H5B2dbg.lo H5B2test.lo H5BP.lo H5BPcache.lo \
+ H5BPdbg.lo H5BPtest.lo H5BT.lo H5BTbtree2.lo H5BTcache.lo \
+ H5BTdbg.lo H5BTtest.lo H5C.lo H5D.lo H5Dcontig.lo \
H5Dcompact.lo H5Defl.lo H5Dio.lo H5Distore.lo H5Dmpio.lo \
H5Dselect.lo H5Dtest.lo H5E.lo H5F.lo H5Fdbg.lo H5Fmount.lo \
H5Fsuper.lo H5FD.lo H5FDcore.lo H5FDfamily.lo H5FDfphdf5.lo \
@@ -362,7 +363,8 @@ DISTCLEAN = libhdf5.settings
# library sources
libhdf5_la_SOURCES = H5.c H5A.c H5AC.c H5B.c H5B2.c H5B2cache.c H5B2dbg.c \
- H5B2test.c H5BT.c H5BTbtree2.c H5BTcache.c H5BTdbg.c H5BTtest.c H5C.c \
+ H5B2test.c H5BP.c H5BPcache.c H5BPdbg.c H5BPtest.c \
+ H5BT.c H5BTbtree2.c H5BTcache.c H5BTdbg.c H5BTtest.c H5C.c \
H5D.c \
H5Dcontig.c \
H5Dcompact.c \
@@ -392,7 +394,7 @@ libhdf5_la_SOURCES = H5.c H5A.c H5AC.c H5B.c H5B2.c H5B2cache.c H5B2dbg.c \
# Public headers
include_HEADERS = H5public.h H5Apublic.h H5ACpublic.h H5Bpublic.h H5B2public.h \
- H5BTpublic.h H5Cpublic.h H5Dpublic.h \
+ H5BPpublic.h H5BTpublic.h H5Cpublic.h H5Dpublic.h \
H5Epubgen.h H5Epublic.h H5Fpublic.h H5FDpublic.h H5FDcore.h H5FDfamily.h \
H5FDfphdf5.h H5FDlog.h H5FDmpi.h H5FDmpio.h H5FDmpiposix.h \
H5FDmulti.h H5FDsec2.h H5FDstdio.h H5FDstream.h H5FPpublic.h \
@@ -529,6 +531,10 @@ distclean-compile:
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/H5B2cache.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/H5B2dbg.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/H5B2test.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/H5BP.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/H5BPcache.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/H5BPdbg.Plo@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/H5BPtest.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/H5BT.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/H5BTbtree2.Plo@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/H5BTcache.Plo@am__quote@
generated by cgit v0.12 at 2024-11-05 07:40:04 (GMT)