diff options
Diffstat (limited to 'src/H5B2pkg.h')
| -rw-r--r-- | src/H5B2pkg.h | 202 |
1 files changed, 111 insertions, 91 deletions
diff --git a/src/H5B2pkg.h b/src/H5B2pkg.h index c5af54f..8b68d1e 100644 --- a/src/H5B2pkg.h +++ b/src/H5B2pkg.h @@ -34,24 +34,28 @@ /* 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 storage for number of records per node (on disk) */ -#define H5B2_SIZEOF_RECORDS_PER_NODE 2 +#define H5B2_SIZEOF_RECORDS_PER_NODE (unsigned)2 /* Size of a "tree pointer" (on disk) */ /* (essentially, the largest internal pointer allowed) */ -#define H5B2_TREE_POINTER_SIZE(f) (H5F_SIZEOF_ADDR(f)+H5B2_SIZEOF_RECORDS_PER_NODE+H5F_SIZEOF_SIZE(f)) +#define H5B2_TREE_POINTER_SIZE(h) ( \ + (h)->sizeof_addr + \ + H5B2_SIZEOF_RECORDS_PER_NODE + \ + (h)->sizeof_size \ + ) /* Size of a internal node pointer (on disk) */ -#define H5B2_INT_POINTER_SIZE(f, s, d) ( \ - H5F_SIZEOF_ADDR(f) /* Address of child node */ \ - + (s)->max_nrec_size /* # of records in child node */ \ - + (s)->node_info[(d) - 1].cum_max_nrec_size /* Total # of records in child & below */ \ +#define H5B2_INT_POINTER_SIZE(h, d) ( \ + (h)->sizeof_addr /* Address of child node */ \ + + (h)->max_nrec_size /* # of records in child node */ \ + + (h)->node_info[(d) - 1].cum_max_nrec_size /* Total # of records in child & below */ \ ) /* Size of checksum information (on disk) */ @@ -59,24 +63,24 @@ /* Format overhead for all v2 B-tree metadata in the file */ #define H5B2_METADATA_PREFIX_SIZE ( \ - H5_SIZEOF_MAGIC /* Signature */ \ - + 1 /* Version */ \ - + 1 /* Tree type */ \ - + H5B2_SIZEOF_CHKSUM /* Metadata checksum */ \ + (unsigned)H5_SIZEOF_MAGIC /* Signature */ \ + + (unsigned)1 /* Version */ \ + + (unsigned)1 /* Tree type */ \ + + (unsigned)H5B2_SIZEOF_CHKSUM /* Metadata checksum */ \ ) /* Size of the v2 B-tree header on disk */ -#define H5B2_HEADER_SIZE(f) ( \ +#define H5B2_HEADER_SIZE(h) ( \ /* General metadata fields */ \ H5B2_METADATA_PREFIX_SIZE \ \ /* Header specific fields */ \ - + 4 /* Node size, in bytes */ \ - + 2 /* Record size, in bytes */ \ - + 2 /* Depth of tree */ \ - + 1 /* Split % of full (as integer, ie. "98" means 98%) */ \ - + 1 /* Merge % of full (as integer, ie. "98" means 98%) */ \ - + H5B2_TREE_POINTER_SIZE(f) /* Node pointer to root node in tree */ \ + + (unsigned)4 /* Node size, in bytes */ \ + + (unsigned)2 /* Record size, in bytes */ \ + + (unsigned)2 /* Depth of tree */ \ + + (unsigned)1 /* Split % of full (as integer, ie. "98" means 98%) */ \ + + (unsigned)1 /* Merge % of full (as integer, ie. "98" means 98%) */ \ + + H5B2_TREE_POINTER_SIZE(h) /* Node pointer to root node in tree */ \ ) /* Size of the v2 B-tree internal node prefix */ @@ -98,13 +102,18 @@ ) /* Macro to retrieve pointer to i'th native record for native record buffer */ -#define H5B2_NAT_NREC(b, shared, idx) ((b) + (shared)->nat_off[(idx)]) +#define H5B2_NAT_NREC(b, hdr, idx) ((b) + (hdr)->nat_off[(idx)]) /* Macro to retrieve pointer to i'th native record for internal node */ -#define H5B2_INT_NREC(i, shared, idx) H5B2_NAT_NREC((i)->int_native, (shared), (idx)) +#define H5B2_INT_NREC(i, hdr, idx) H5B2_NAT_NREC((i)->int_native, (hdr), (idx)) /* Macro to retrieve pointer to i'th native record for leaf node */ -#define H5B2_LEAF_NREC(l, shared, idx) H5B2_NAT_NREC((l)->leaf_native, (shared), (idx)) +#define H5B2_LEAF_NREC(l, hdr, idx) H5B2_NAT_NREC((l)->leaf_native, (hdr), (idx)) + +/* Number of records that fit into internal node */ +/* (accounts for extra node pointer by counting it in with the prefix bytes) */ +#define H5B2_NUM_INT_REC(h, d) \ + (((h)->node_size - (H5B2_INT_PREFIX_SIZE + H5B2_INT_POINTER_SIZE(h, d))) / ((h)->rrec_size + H5B2_INT_POINTER_SIZE(h, d))) /****************************/ @@ -114,7 +123,7 @@ /* A "node pointer" to another B-tree node */ typedef struct { haddr_t addr; /* Address of other node */ - unsigned node_nrec; /* Number of records used in node pointed to */ + uint16_t node_nrec; /* Number of records used in node pointed to */ hsize_t all_nrec; /* Number of records in node pointed to and all it's children */ } H5B2_node_ptr_t; @@ -129,38 +138,41 @@ typedef struct { H5FL_fac_head_t *node_ptr_fac; /* Factory for node pointer blocks */ } H5B2_node_info_t; -/* Each B-tree has certain information that can be shared across all - * the instances of nodes in that B-tree. - */ -typedef struct H5B2_shared_t { - /* Shared internal data structures */ - const H5B2_class_t *type; /* Type of tree */ - uint8_t *page; /* Common disk page for I/O */ - size_t *nat_off; /* Array of offsets of native records */ - H5B2_node_info_t *node_info; /* Table of node info structs for current depth of B-tree */ +/* The B-tree header information */ +typedef struct H5B2_hdr_t { + /* Information for H5AC cache functions, _must_ be first field in structure */ + H5AC_info_t cache_info; + + /* Internal B-tree information (stored) */ + H5B2_node_ptr_t root; /* Node pointer to root node in B-tree */ /* Information set by user (stored) */ - 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 B-tree nodes, in bytes */ - size_t rrec_size; /* Size of "raw" (on disk) record, in bytes */ + uint8_t split_percent; /* Percent full at which to split the node, when inserting */ + uint8_t merge_percent; /* Percent full at which to merge the node, when deleting */ + uint32_t node_size; /* Size of B-tree nodes, in bytes */ + uint32_t rrec_size; /* Size of "raw" (on disk) record, in bytes */ /* Dynamic information (stored) */ - unsigned depth; /* B-tree's overall depth */ + uint16_t depth; /* B-tree's overall depth */ - /* Derived information from user's information */ + /* Derived information from user's information (not stored) */ uint8_t max_nrec_size; /* Size to store max. # of records in any node (in bytes) */ -} H5B2_shared_t; - -/* The B-tree information */ -typedef struct H5B2_t { - /* Information for H5AC cache functions, _must_ be first field in structure */ - H5AC_info_t cache_info; - /* Internal B-tree information */ - H5B2_node_ptr_t root; /* Node pointer to root node in B-tree */ - H5RC_t *shared; /* Ref-counted shared info */ -} H5B2_t; + /* Shared internal data structures (not stored) */ + H5F_t *f; /* Pointer to the file that the B-tree is in */ + haddr_t addr; /* Address of B-tree header in the file */ + size_t rc; /* Reference count of nodes using this header */ + size_t file_rc; /* Reference count of files using this header */ + hbool_t pending_delete; /* B-tree is pending deletion */ + uint8_t sizeof_size; /* Size of file sizes */ + uint8_t sizeof_addr; /* Size of file addresses */ + H5B2_remove_t remove_op; /* Callback operator for deleting B-tree */ + void *remove_op_data;/* B-tree deletion callback's context */ + const H5B2_class_t *cls; /* Class of B-tree client */ + uint8_t *page; /* Common disk page for I/O */ + size_t *nat_off; /* Array of offsets of native records */ + H5B2_node_info_t *node_info; /* Table of node info structs for current depth of B-tree */ +} H5B2_hdr_t; /* B-tree leaf node information */ typedef struct H5B2_leaf_t { @@ -168,9 +180,9 @@ typedef struct H5B2_leaf_t { H5AC_info_t cache_info; /* Internal B-tree information */ - H5RC_t *shared; /* Ref-counted shared info */ + H5B2_hdr_t *hdr; /* Pointer to the [pinned] v2 B-tree header */ uint8_t *leaf_native; /* Pointer to native records */ - unsigned nrec; /* Number of records in node */ + uint16_t nrec; /* Number of records in node */ } H5B2_leaf_t; /* B-tree internal node information */ @@ -179,18 +191,24 @@ typedef struct H5B2_internal_t { H5AC_info_t cache_info; /* Internal B-tree information */ - H5RC_t *shared; /* Ref-counted shared info */ + H5B2_hdr_t *hdr; /* Pointer to the [pinned] v2 B-tree header */ uint8_t *int_native; /* Pointer to native records */ H5B2_node_ptr_t *node_ptrs; /* Pointer to node pointers */ - unsigned nrec; /* Number of records in node */ - unsigned depth; /* Depth of this node in the B-tree */ + uint16_t nrec; /* Number of records in node */ + uint16_t depth; /* Depth of this node in the B-tree */ } H5B2_internal_t; +/* v2 B-tree */ +struct H5B2_t { + H5B2_hdr_t *hdr; /* Pointer to internal v2 B-tree header info */ + H5F_t *f; /* Pointer to file for v2 B-tree */ +}; + /* User data for metadata cache 'load' callback */ typedef struct { - H5RC_t *bt2_shared; /* Ref counter for shared B-tree info */ - unsigned nrec; /* Number of records in node to load */ - unsigned depth; /* Depth of node to load */ + H5B2_hdr_t *hdr; /* Pointer to the [pinned] v2 B-tree header */ + uint16_t nrec; /* Number of records in node to load */ + uint16_t depth; /* Depth of node to load */ } H5B2_int_load_ud1_t; #ifdef H5B2_TESTING @@ -215,9 +233,6 @@ H5_DLLVAR const H5AC_class_t H5AC_BT2_INT[1]; /* H5B2 leaf node inherits cache-like properties from H5AC */ H5_DLLVAR const H5AC_class_t H5AC_BT2_LEAF[1]; -/* Declare a free list to manage the H5B2_t struct */ -H5FL_EXTERN(H5B2_t); - /* Declare a free list to manage the H5B2_internal_t struct */ H5FL_EXTERN(H5B2_internal_t); @@ -229,74 +244,82 @@ H5FL_EXTERN(H5B2_leaf_t); H5_DLLVAR const H5B2_class_t H5B2_TEST[1]; #endif /* H5B2_TESTING */ +/* Array of v2 B-tree client ID -> client class mappings */ +extern const H5B2_class_t *const H5B2_client_class_g[]; + /******************************/ /* Package Private Prototypes */ /******************************/ -/* Routines for managing shared B-tree info */ -H5_DLL herr_t H5B2_shared_init(H5F_t *f, H5B2_t *bt2, const H5B2_class_t *type, - unsigned depth, size_t node_size, size_t rrec_size, - unsigned split_percent, unsigned merge_percent); +/* Routines for managing B-tree header info */ +H5_DLL H5B2_hdr_t *H5B2_hdr_alloc(H5F_t *f); +H5_DLL haddr_t H5B2_hdr_create(H5F_t *f, hid_t dxpl_id, + const H5B2_create_t *cparam); +H5_DLL herr_t H5B2_hdr_init(H5F_t *f, H5B2_hdr_t *hdr, + const H5B2_create_t *cparam, uint16_t depth); +H5_DLL herr_t H5B2_hdr_incr(H5B2_hdr_t *hdr); +H5_DLL herr_t H5B2_hdr_decr(H5B2_hdr_t *hdr); +H5_DLL herr_t H5B2_hdr_fuse_incr(H5B2_hdr_t *hdr); +H5_DLL size_t H5B2_hdr_fuse_decr(H5B2_hdr_t *hdr); +H5_DLL herr_t H5B2_hdr_dirty(H5B2_hdr_t *hdr); +H5_DLL herr_t H5B2_hdr_free(H5B2_hdr_t *hdr); +H5_DLL herr_t H5B2_hdr_delete(H5B2_hdr_t *hdr, hid_t dxpl_id); /* Routines for operating on internal nodes */ -H5_DLL H5B2_internal_t *H5B2_protect_internal(H5F_t *f, hid_t dxpl_id, - H5RC_t *bt2_shared, haddr_t addr, unsigned nrec, unsigned depth, - H5AC_protect_t rw); +H5_DLL H5B2_internal_t *H5B2_protect_internal(H5B2_hdr_t *hdr, hid_t dxpl_id, + haddr_t addr, unsigned nrec, unsigned depth, H5AC_protect_t rw); /* Routines for allocating nodes */ -H5_DLL herr_t H5B2_split_root(H5F_t *f, hid_t dxpl_id, H5B2_t *bt2, - unsigned *bt2_flags_ptr); -H5_DLL herr_t H5B2_create_leaf(H5F_t *f, hid_t dxpl_id, H5RC_t *bt2_shared, +H5_DLL herr_t H5B2_split_root(H5B2_hdr_t *hdr, hid_t dxpl_id); +H5_DLL herr_t H5B2_create_leaf(H5B2_hdr_t *hdr, hid_t dxpl_id, H5B2_node_ptr_t *node_ptr); /* Routines for inserting records */ -H5_DLL herr_t H5B2_insert_internal(H5F_t *f, hid_t dxpl_id, H5RC_t *bt2_shared, +H5_DLL herr_t H5B2_insert_internal(H5B2_hdr_t *hdr, hid_t dxpl_id, unsigned depth, unsigned *parent_cache_info_flags_ptr, H5B2_node_ptr_t *curr_node_ptr, void *udata); -H5_DLL herr_t H5B2_insert_leaf(H5F_t *f, hid_t dxpl_id, H5RC_t *bt2_shared, +H5_DLL herr_t H5B2_insert_leaf(H5B2_hdr_t *hdr, hid_t dxpl_id, H5B2_node_ptr_t *curr_node_ptr, void *udata); /* Routines for iterating over nodes/records */ -H5_DLL herr_t H5B2_iterate_node(H5F_t *f, hid_t dxpl_id, H5RC_t *bt2_shared, - unsigned depth, const H5B2_node_ptr_t *curr_node, H5B2_operator_t op, - void *op_data); -H5_DLL herr_t H5B2_iterate_size_node(H5F_t *f, hid_t dxpl_id, H5RC_t *bt2_shared, +H5_DLL herr_t H5B2_iterate_node(H5B2_hdr_t *hdr, hid_t dxpl_id, unsigned depth, + const H5B2_node_ptr_t *curr_node, H5B2_operator_t op, void *op_data); +H5_DLL herr_t H5B2_node_size(H5B2_hdr_t *hdr, hid_t dxpl_id, unsigned depth, const H5B2_node_ptr_t *curr_node, hsize_t *op_data); /* Routines for locating records */ H5_DLL int H5B2_locate_record(const H5B2_class_t *type, unsigned nrec, size_t *rec_off, const uint8_t *native, const void *udata, unsigned *idx); -H5_DLL herr_t H5B2_neighbor_internal(H5F_t *f, hid_t dxpl_id, H5RC_t *bt2_shared, +H5_DLL herr_t H5B2_neighbor_internal(H5B2_hdr_t *hdr, hid_t dxpl_id, unsigned depth, H5B2_node_ptr_t *curr_node_ptr, void *neighbor_loc, H5B2_compare_t comp, void *udata, H5B2_found_t op, void *op_data); -H5_DLL herr_t H5B2_neighbor_leaf(H5F_t *f, hid_t dxpl_id, H5RC_t *bt2_shared, +H5_DLL herr_t H5B2_neighbor_leaf(H5B2_hdr_t *hdr, hid_t dxpl_id, H5B2_node_ptr_t *curr_node_ptr, void *neighbor_loc, H5B2_compare_t comp, void *udata, H5B2_found_t op, void *op_data); /* Routines for removing records */ -H5_DLL herr_t H5B2_remove_internal(H5F_t *f, hid_t dxpl_id, H5RC_t *bt2_shared, +H5_DLL herr_t H5B2_remove_internal(H5B2_hdr_t *hdr, hid_t dxpl_id, hbool_t *depth_decreased, void *swap_loc, unsigned depth, H5AC_info_t *parent_cache_info, hbool_t * parent_cache_info_dirtied_ptr, H5B2_node_ptr_t *curr_node_ptr, void *udata, H5B2_remove_t op, void *op_data); -H5_DLL herr_t H5B2_remove_leaf(H5F_t *f, hid_t dxpl_id, H5RC_t *bt2_shared, +H5_DLL herr_t H5B2_remove_leaf(H5B2_hdr_t *hdr, hid_t dxpl_id, H5B2_node_ptr_t *curr_node_ptr, void *udata, H5B2_remove_t op, void *op_data); -H5_DLL herr_t H5B2_remove_internal_by_idx(H5F_t *f, hid_t dxpl_id, H5RC_t *bt2_shared, +H5_DLL herr_t H5B2_remove_internal_by_idx(H5B2_hdr_t *hdr, hid_t dxpl_id, hbool_t *depth_decreased, void *swap_loc, unsigned depth, H5AC_info_t *parent_cache_info, hbool_t * parent_cache_info_dirtied_ptr, H5B2_node_ptr_t *curr_node_ptr, hsize_t idx, H5B2_remove_t op, void *op_data); -H5_DLL herr_t H5B2_remove_leaf_by_idx(H5F_t *f, hid_t dxpl_id, H5RC_t *bt2_shared, +H5_DLL herr_t H5B2_remove_leaf_by_idx(H5B2_hdr_t *hdr, hid_t dxpl_id, H5B2_node_ptr_t *curr_node_ptr, unsigned idx, H5B2_remove_t op, void *op_data); /* Routines for deleting nodes */ -H5_DLL herr_t H5B2_delete_node(H5F_t *f, hid_t dxpl_id, H5RC_t *bt2_shared, - unsigned depth, const H5B2_node_ptr_t *curr_node, H5B2_remove_t op, - void *op_data); +H5_DLL herr_t H5B2_delete_node(H5B2_hdr_t *hdr, hid_t dxpl_id, unsigned depth, + const H5B2_node_ptr_t *curr_node, H5B2_remove_t op, void *op_data); /* Metadata cache callbacks */ -H5_DLL herr_t H5B2_cache_hdr_dest(H5F_t *f, H5B2_t *b); +H5_DLL herr_t H5B2_cache_hdr_dest(H5F_t *f, H5B2_hdr_t *b); H5_DLL herr_t H5B2_cache_leaf_dest(H5F_t *f, H5B2_leaf_t *l); H5_DLL herr_t H5B2_cache_internal_dest(H5F_t *f, H5B2_internal_t *i); @@ -312,13 +335,10 @@ H5_DLL herr_t H5B2_leaf_debug(H5F_t *f, hid_t dxpl_id, haddr_t addr, /* Testing routines */ #ifdef H5B2_TESTING -H5_DLL herr_t H5B2_get_root_addr_test(H5F_t *f, hid_t dxpl_id, - const H5B2_class_t *type, haddr_t addr, haddr_t *root_addr); -H5_DLL int H5B2_get_node_depth_test(H5F_t *f, hid_t dxpl_id, - const H5B2_class_t *type, haddr_t addr, void *udata); -H5_DLL herr_t H5B2_get_node_info_test(H5F_t *f, hid_t dxpl_id, - const H5B2_class_t *type, haddr_t addr, void *udata, - H5B2_node_info_test_t *ninfo); +H5_DLL herr_t H5B2_get_root_addr_test(H5B2_t *bt2, haddr_t *root_addr); +H5_DLL int H5B2_get_node_depth_test(H5B2_t *bt2, hid_t dxpl_id, void *udata); +H5_DLL herr_t H5B2_get_node_info_test(H5B2_t *bt2, hid_t dxpl_id, + void *udata, H5B2_node_info_test_t *ninfo); #endif /* H5B2_TESTING */ #endif /* _H5B2pkg_H */ |