/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Copyright by The HDF Group. * * Copyright by the Board of Trustees of the University of Illinois. * * All rights reserved. * * * * This file is part of HDF5. The full HDF5 copyright notice, including * * terms governing use, modification, and redistribution, is contained in * * the 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://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have * * access to either file, you may request a copy from help@hdfgroup.org. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ /* Programmer: Robb Matzke * Wednesday, October 8, 1997 * * Purpose: v1 B-tree indexed (chunked) I/O functions. The chunks are * given a multi-dimensional index which is used as a lookup key * in a B-tree that maps chunk index to disk address. * */ /****************/ /* Module Setup */ /****************/ #define H5D_PACKAGE /*suppress error about including H5Dpkg */ /***********/ /* Headers */ /***********/ #include "H5private.h" /* Generic Functions */ #include "H5Bprivate.h" /* B-link trees */ #include "H5Dpkg.h" /* Datasets */ #include "H5Eprivate.h" /* Error handling */ #include "H5Fprivate.h" /* Files */ #include "H5FDprivate.h" /* File drivers */ #include "H5FLprivate.h" /* Free Lists */ #include "H5Iprivate.h" /* IDs */ #include "H5MFprivate.h" /* File space management */ #include "H5Oprivate.h" /* Object headers */ #include "H5Sprivate.h" /* Dataspaces */ #include "H5VMprivate.h" /* Vector and array functions */ /****************/ /* Local Macros */ /****************/ /* * Given a B-tree node return the dimensionality of the chunks pointed to by * that node. */ #define H5D_BTREE_NDIMS(X) (((X)->sizeof_rkey-8)/8) /******************/ /* Local Typedefs */ /******************/ /* * B-tree key. A key contains the minimum logical N-dimensional coordinates and * the logical size of the chunk to which this key refers. The * fastest-varying dimension is assumed to reference individual bytes of the * array, so a 100-element 1-d array of 4-byte integers would really be a 2-d * array with the slow varying dimension of size 100 and the fast varying * dimension of size 4 (the storage dimensionality has very little to do with * the real dimensionality). * * Only the first few values of the OFFSET and SIZE fields are actually * stored on disk, depending on the dimensionality. * * The chunk's file address is part of the B-tree and not part of the key. */ typedef struct H5D_btree_key_t { uint32_t nbytes; /*size of stored data */ hsize_t offset[H5O_LAYOUT_NDIMS]; /*logical offset to start*/ unsigned filter_mask; /*excluded filters */ } H5D_btree_key_t; /* B-tree callback info for iteration over chunks */ typedef struct H5D_btree_it_ud_t { H5D_chunk_common_ud_t common; /* Common info for B-tree user data (must be first) */ H5D_chunk_cb_func_t cb; /* Chunk callback routine */ void *udata; /* User data for chunk callback routine */ } H5D_btree_it_ud_t; /* B-tree callback info for debugging */ typedef struct H5D_btree_dbg_t { H5D_chunk_common_ud_t common; /* Common info for B-tree user data (must be first) */ unsigned ndims; /* Number of dimensions */ } H5D_btree_dbg_t; /********************/ /* Local Prototypes */ /********************/ static herr_t H5D__btree_shared_create(const H5F_t *f, H5O_storage_chunk_t *store, unsigned ndims); /* B-tree iterator callbacks */ static int H5D__btree_idx_iterate_cb(H5F_t *f, hid_t dxpl_id, const void *left_key, haddr_t addr, const void *right_key, void *_udata); /* B-tree callbacks */ static H5RC_t *H5D__btree_get_shared(const H5F_t *f, const void *_udata); static herr_t H5D__btree_new_node(H5F_t *f, hid_t dxpl_id, H5B_ins_t, void *_lt_key, void *_udata, void *_rt_key, haddr_t *addr_p /*out*/); static int H5D__btree_cmp2(void *_lt_key, void *_udata, void *_rt_key); static int H5D__btree_cmp3(void *_lt_key, void *_udata, void *_rt_key); static htri_t H5D__btree_found(H5F_t *f, hid_t dxpl_id, haddr_t addr, const void *_lt_key, void *_udata); static H5B_ins_t H5D__btree_insert(H5F_t *f, hid_t dxpl_id, haddr_t addr, void *_lt_key, hbool_t *lt_key_changed, void *_md_key, void *_udata, void *_rt_key, hbool_t *rt_key_changed, haddr_t *new_node/*out*/); static H5B_ins_t H5D__btree_remove( H5F_t *f, hid_t dxpl_id, haddr_t addr, void *_lt_key, hbool_t *lt_key_changed, void *_udata, void *_rt_key, hbool_t *rt_key_changed); static herr_t H5D__btree_decode_key(const H5B_shared_t *shared, const uint8_t *raw, void *_key); static herr_t H5D__btree_encode_key(const H5B_shared_t *shared, uint8_t *raw, const void *_key); static herr_t H5D__btree_debug_key(FILE *stream, int indent, int fwidth, const void *key, const void *udata); /* Chunked layout indexing callbacks */ static herr_t H5D__btree_idx_init(const H5D_chk_idx_info_t *idx_info, const H5S_t *space, haddr_t dset_ohdr_addr); static herr_t H5D__btree_idx_create(const H5D_chk_idx_info_t *idx_info); static hbool_t H5D__btree_idx_is_space_alloc(const H5O_storage_chunk_t *storage); static herr_t H5D__btree_idx_insert(const H5D_chk_idx_info_t *idx_info, H5D_chunk_ud_t *udata); static herr_t H5D__btree_idx_get_addr(const H5D_chk_idx_info_t *idx_info, H5D_chunk_ud_t *udata); static int H5D__btree_idx_iterate(const H5D_chk_idx_info_t *idx_info, H5D_chunk_cb_func_t chunk_cb, void *chunk_udata); static herr_t H5D__btree_idx_remove(const H5D_chk_idx_info_t *idx_info, H5D_chunk_common_ud_t *udata); static herr_t H5D__btree_idx_delete(const H5D_chk_idx_info_t *idx_info); static herr_t H5D__btree_idx_copy_setup(const H5D_chk_idx_info_t *idx_info_src, const H5D_chk_idx_info_t *idx_info_dst); static herr_t H5D__btree_idx_copy_shutdown(H5O_storage_chunk_t *storage_src, H5O_storage_chunk_t *storage_dst, hid_t dxpl_id); static herr_t H5D__btree_idx_size(const H5D_chk_idx_info_t *idx_info, hsize_t *size); static herr_t H5D__btree_idx_reset(H5O_storage_chunk_t *storage, hbool_t reset_addr); static herr_t H5D__btree_idx_dump(const H5O_storage_chunk_t *storage, FILE *stream); static herr_t H5D__btree_idx_dest(const H5D_chk_idx_info_t *idx_info); /*********************/ /* Package Variables */ /*********************/ /* v1 B-tree indexed chunk I/O ops */ const H5D_chunk_ops_t H5D_COPS_BTREE[1] = {{ H5D__btree_idx_init, H5D__btree_idx_create, H5D__btree_idx_is_space_alloc, H5D__btree_idx_insert, H5D__btree_idx_get_addr, NULL, H5D__btree_idx_iterate, H5D__btree_idx_remove, H5D__btree_idx_delete, H5D__btree_idx_copy_setup, H5D__btree_idx_copy_shutdown, H5D__btree_idx_size, H5D__btree_idx_reset, H5D__btree_idx_dump, H5D__btree_idx_dest }}; /*****************************/ /* Library Private Variables */ /*****************************/ /* inherits B-tree like properties from H5B */ H5B_class_t H5B_BTREE[1] = {{ H5B_CHUNK_ID, /*id */ sizeof(H5D_btree_key_t), /*sizeof_nkey */ H5D__btree_get_shared, /*get_shared */ H5D__btree_new_node, /*new */ H5D__btree_cmp2, /*cmp2 */ H5D__btree_cmp3, /*cmp3 */ H5D__btree_found, /*found */ H5D__btree_insert, /*insert */ FALSE, /*follow min branch? */ FALSE, /*follow max branch? */ H5B_LEFT, /*critical key */ H5D__btree_remove, /*remove */ H5D__btree_decode_key, /*decode */ H5D__btree_encode_key, /*encode */ H5D__btree_debug_key /*debug */ }}; /*******************/ /* Local Variables */ /*******************/ /*------------------------------------------------------------------------- * Function: H5D__btree_get_shared * * Purpose: Returns the shared B-tree info for the specified UDATA. * * Return: Success: Pointer to the raw B-tree page for this dataset * * Failure: Can't fail * * Programmer: Quincey Koziol * Monday, July 5, 2004 * *------------------------------------------------------------------------- */ /* ARGSUSED */ static H5RC_t * H5D__btree_get_shared(const H5F_t UNUSED *f, const void *_udata) { const H5D_chunk_common_ud_t *udata = (const H5D_chunk_common_ud_t *) _udata; FUNC_ENTER_STATIC_NOERR HDassert(udata); HDassert(udata->storage); HDassert(udata->storage->idx_type == H5D_CHUNK_BTREE); HDassert(udata->storage->u.btree.shared); /* Return the pointer to the ref-count object */ FUNC_LEAVE_NOAPI(udata->storage->u.btree.shared) } /* end H5D__btree_get_shared() */ /*------------------------------------------------------------------------- * Function: H5D__btree_new_node * * Purpose: Adds a new entry to an i-storage B-tree. We can assume that * the domain represented by UDATA doesn't intersect the domain * already represented by the B-tree. * * Return: Success: Non-negative. The address of leaf is returned * through the ADDR argument. It is also added * to the UDATA. * * Failure: Negative * * Programmer: Robb Matzke * Tuesday, October 14, 1997 * *------------------------------------------------------------------------- */ static herr_t H5D__btree_new_node(H5F_t *f, hid_t dxpl_id, H5B_ins_t op, void *_lt_key, void *_udata, void *_rt_key, haddr_t *addr_p/*out*/) { H5D_btree_key_t *lt_key = (H5D_btree_key_t *) _lt_key; H5D_btree_key_t *rt_key = (H5D_btree_key_t *) _rt_key; H5D_chunk_ud_t *udata = (H5D_chunk_ud_t *) _udata; unsigned u; herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_STATIC /* check args */ HDassert(f); HDassert(lt_key); HDassert(rt_key); HDassert(udata); HDassert(udata->common.layout->ndims > 0 && udata->common.layout->ndims < H5O_LAYOUT_NDIMS); HDassert(addr_p); /* Allocate new storage */ HDassert(udata->nbytes > 0); H5_CHECK_OVERFLOW(udata->nbytes, uint32_t, hsize_t); if(HADDR_UNDEF == (*addr_p = H5MF_alloc(f, H5FD_MEM_DRAW, dxpl_id, (hsize_t)udata->nbytes))) HGOTO_ERROR(H5E_IO, H5E_CANTINIT, FAIL, "couldn't allocate new file storage") udata->addr = *addr_p; /* * The left key describes the storage of the UDATA chunk being * inserted into the tree. */ lt_key->nbytes = udata->nbytes; lt_key->filter_mask = udata->filter_mask; for(u = 0; u < udata->common.layout->ndims; u++) lt_key->offset[u] = udata->common.offset[u]; /* * The right key might already be present. If not, then add a zero-width * chunk. */ if(H5B_INS_LEFT != op) { rt_key->nbytes = 0; rt_key->filter_mask = 0; for(u = 0; u < udata->common.layout->ndims; u++) { HDassert(udata->common.offset[u] + udata->common.layout->dim[u] > udata->common.offset[u]); rt_key->offset[u] = udata->common.offset[u] + udata->common.layout->dim[u]; } /* end if */ } /* end if */ done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5D__btree_new_node() */ /*------------------------------------------------------------------------- * Function: H5D__btree_cmp2 * * Purpose: Compares two keys sort of like strcmp(). The UDATA pointer * is only to supply extra information not carried in the keys * (in this case, the dimensionality) and is not compared * against the keys. * * Return: Success: -1 if LT_KEY is less than RT_KEY; * 1 if LT_KEY is greater than RT_KEY; * 0 if LT_KEY and RT_KEY are equal. * * Failure: FAIL (same as LT_KEYlayout->ndims > 0 && udata->layout->ndims <= H5O_LAYOUT_NDIMS); /* Compare the offsets but ignore the other fields */ ret_value = H5VM_vector_cmp_u(udata->layout->ndims, lt_key->offset, rt_key->offset); FUNC_LEAVE_NOAPI(ret_value) } /* end H5D__btree_cmp2() */ /*------------------------------------------------------------------------- * Function: H5D__btree_cmp3 * * Purpose: Compare the requested datum UDATA with the left and right * keys of the B-tree. * * Return: Success: negative if the min_corner of UDATA is less * than the min_corner of LT_KEY. * * positive if the min_corner of UDATA is * greater than or equal the min_corner of * RT_KEY. * * zero otherwise. The min_corner of UDATA is * not necessarily contained within the address * space represented by LT_KEY, but a key that * would describe the UDATA min_corner address * would fall lexicographically between LT_KEY * and RT_KEY. * * Failure: FAIL (same as UDATA < LT_KEY) * * Programmer: Robb Matzke * Wednesday, October 8, 1997 * *------------------------------------------------------------------------- */ static int H5D__btree_cmp3(void *_lt_key, void *_udata, void *_rt_key) { H5D_btree_key_t *lt_key = (H5D_btree_key_t *) _lt_key; H5D_btree_key_t *rt_key = (H5D_btree_key_t *) _rt_key; H5D_chunk_common_ud_t *udata = (H5D_chunk_common_ud_t *) _udata; int ret_value = 0; FUNC_ENTER_STATIC_NOERR HDassert(lt_key); HDassert(rt_key); HDassert(udata); HDassert(udata->layout->ndims > 0 && udata->layout->ndims <= H5O_LAYOUT_NDIMS); /* Special case for faster checks on 1-D chunks */ /* (Checking for ndims==2 because last dimension is the datatype size) */ /* The additional checking for the right key is necessary due to the */ /* slightly odd way the library initializes the right-most node in the */ /* indexed storage B-tree... */ /* (Dump the B-tree with h5debug to look at it) -QAK */ if(udata->layout->ndims == 2) { if(udata->offset[0] > rt_key->offset[0]) ret_value = 1; else if(udata->offset[0] == rt_key->offset[0] && udata->offset[1] >= rt_key->offset[1]) ret_value = 1; else if(udata->offset[0] < lt_key->offset[0]) ret_value = (-1); } /* end if */ else { if(H5VM_vector_ge_u(udata->layout->ndims, udata->offset, rt_key->offset)) ret_value = 1; else if(H5VM_vector_lt_u(udata->layout->ndims, udata->offset, lt_key->offset)) ret_value = (-1); } /* end else */ FUNC_LEAVE_NOAPI(ret_value) } /* end H5D__btree_cmp3() */ /*------------------------------------------------------------------------- * Function: H5D__btree_found * * Purpose: This function is called when the B-tree search engine has * found the leaf entry that points to a chunk of storage that * contains the beginning of the logical address space * represented by UDATA. The LT_KEY is the left key (the one * that describes the chunk) and RT_KEY is the right key (the * one that describes the next or last chunk). * * Note: It's possible that the chunk isn't really found. For * instance, in a sparse dataset the requested chunk might fall * between two stored chunks in which case this function is * called with the maximum stored chunk indices less than the * requested chunk indices. * * Return: Non-negative (TRUE/FALSE) on success with information about the * chunk returned through the UDATA argument. Negative on failure. * * Programmer: Robb Matzke * Thursday, October 9, 1997 * *------------------------------------------------------------------------- */ /* ARGSUSED */ static htri_t H5D__btree_found(H5F_t UNUSED *f, hid_t UNUSED dxpl_id, haddr_t addr, const void *_lt_key, void *_udata) { H5D_chunk_ud_t *udata = (H5D_chunk_ud_t *) _udata; const H5D_btree_key_t *lt_key = (const H5D_btree_key_t *) _lt_key; unsigned u; htri_t ret_value = TRUE; /* Return value */ FUNC_ENTER_STATIC_NOERR /* Check arguments */ HDassert(f); HDassert(H5F_addr_defined(addr)); HDassert(udata); HDassert(lt_key); /* Is this *really* the requested chunk? */ for(u = 0; u < udata->common.layout->ndims; u++) if(udata->common.offset[u] >= lt_key->offset[u] + udata->common.layout->dim[u]) HGOTO_DONE(FALSE) /* Initialize return values */ HDassert(lt_key->nbytes > 0); udata->addr = addr; udata->nbytes = lt_key->nbytes; udata->filter_mask = lt_key->filter_mask; done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5D__btree_found() */ /*------------------------------------------------------------------------- * Function: H5D__btree_insert * * Purpose: This function is called when the B-tree insert engine finds * the node to use to insert new data. The UDATA argument * points to a struct that describes the logical addresses being * added to the file. This function allocates space for the * data and returns information through UDATA describing a * file chunk to receive (part of) the data. * * The LT_KEY is always the key describing the chunk of file * memory at address ADDR. On entry, UDATA describes the logical * addresses for which storage is being requested (through the * `offset' and `size' fields). On return, UDATA describes the * logical addresses contained in a chunk on disk. * * Return: Success: An insertion command for the caller, one of * the H5B_INS_* constants. The address of the * new chunk is returned through the NEW_NODE * argument. * * Failure: H5B_INS_ERROR * * Programmer: Robb Matzke * Thursday, October 9, 1997 * *------------------------------------------------------------------------- */ /* ARGSUSED */ static H5B_ins_t H5D__btree_insert(H5F_t *f, hid_t dxpl_id, haddr_t addr, void *_lt_key, hbool_t *lt_key_changed, void *_md_key, void *_udata, void *_rt_key, hbool_t UNUSED *rt_key_changed, haddr_t *new_node_p/*out*/) { H5D_btree_key_t *lt_key = (H5D_btree_key_t *) _lt_key; H5D_btree_key_t *md_key = (H5D_btree_key_t *) _md_key; H5D_btree_key_t *rt_key = (H5D_btree_key_t *) _rt_key; H5D_chunk_ud_t *udata = (H5D_chunk_ud_t *) _udata; int cmp; unsigned u; H5B_ins_t ret_value; FUNC_ENTER_STATIC /* check args */ HDassert(f); HDassert(H5F_addr_defined(addr)); HDassert(lt_key); HDassert(lt_key_changed); HDassert(md_key); HDassert(udata); HDassert(rt_key); HDassert(new_node_p); cmp = H5D__btree_cmp3(lt_key, udata, rt_key); HDassert(cmp <= 0); if(cmp < 0) { /* Negative indices not supported yet */ HGOTO_ERROR(H5E_STORAGE, H5E_UNSUPPORTED, H5B_INS_ERROR, "internal error") } else if(H5VM_vector_eq_u(udata->common.layout->ndims, udata->common.offset, lt_key->offset) && lt_key->nbytes > 0) { /* * Already exists. If the new size is not the same as the old size * then we should reallocate storage. */ if(lt_key->nbytes != udata->nbytes) { /* Currently, the old chunk data is "thrown away" after the space is reallocated, * so avoid data copy in H5MF_realloc() call by just free'ing the space and * allocating new space. * * This should keep the file smaller also, by freeing the space and then * allocating new space, instead of vice versa (in H5MF_realloc). * * QAK - 11/19/2002 */ #ifdef OLD_WAY if(HADDR_UNDEF == (*new_node_p = H5MF_realloc(f, H5FD_MEM_DRAW, addr, (hsize_t)lt_key->nbytes, (hsize_t)udata->nbytes))) HGOTO_ERROR(H5E_STORAGE, H5E_NOSPACE, H5B_INS_ERROR, "unable to reallocate chunk storage") #else /* OLD_WAY */ H5_CHECK_OVERFLOW(lt_key->nbytes, uint32_t, hsize_t); if(H5MF_xfree(f, H5FD_MEM_DRAW, dxpl_id, addr, (hsize_t)lt_key->nbytes) < 0) HGOTO_ERROR(H5E_STORAGE, H5E_CANTFREE, H5B_INS_ERROR, "unable to free chunk") H5_CHECK_OVERFLOW(udata->nbytes, uint32_t, hsize_t); if(HADDR_UNDEF == (*new_node_p = H5MF_alloc(f, H5FD_MEM_DRAW, dxpl_id, (hsize_t)udata->nbytes))) HGOTO_ERROR(H5E_STORAGE, H5E_NOSPACE, H5B_INS_ERROR, "unable to reallocate chunk") #endif /* OLD_WAY */ lt_key->nbytes = udata->nbytes; lt_key->filter_mask = udata->filter_mask; *lt_key_changed = TRUE; udata->addr = *new_node_p; ret_value = H5B_INS_CHANGE; } else { udata->addr = addr; ret_value = H5B_INS_NOOP; } } else if (H5VM_hyper_disjointp(udata->common.layout->ndims, lt_key->offset, udata->common.layout->dim, udata->common.offset, udata->common.layout->dim)) { HDassert(H5VM_hyper_disjointp(udata->common.layout->ndims, rt_key->offset, udata->common.layout->dim, udata->common.offset, udata->common.layout->dim)); /* * Split this node, inserting the new new node to the right of the * current node. The MD_KEY is where the split occurs. */ md_key->nbytes = udata->nbytes; md_key->filter_mask = udata->filter_mask; for(u = 0; u < udata->common.layout->ndims; u++) { HDassert(0 == udata->common.offset[u] % udata->common.layout->dim[u]); md_key->offset[u] = udata->common.offset[u]; } /* end for */ /* * Allocate storage for the new chunk */ H5_CHECK_OVERFLOW(udata->nbytes, uint32_t, hsize_t); if(HADDR_UNDEF == (*new_node_p = H5MF_alloc(f, H5FD_MEM_DRAW, dxpl_id, (hsize_t)udata->nbytes))) HGOTO_ERROR(H5E_STORAGE, H5E_NOSPACE, H5B_INS_ERROR, "file allocation failed") udata->addr = *new_node_p; ret_value = H5B_INS_RIGHT; } else { HGOTO_ERROR(H5E_IO, H5E_UNSUPPORTED, H5B_INS_ERROR, "internal error") } done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5D__btree_insert() */ /*------------------------------------------------------------------------- * Function: H5D__btree_remove * * Purpose: Removes chunks that are no longer necessary in the B-tree. * * Return: Non-negative on success/Negative on failure * * Programmer: Robb Matzke * Pedro Vicente, pvn@ncsa.uiuc.edu * March 28, 2002 * *------------------------------------------------------------------------- */ /* ARGSUSED */ static H5B_ins_t H5D__btree_remove(H5F_t *f, hid_t dxpl_id, haddr_t addr, void *_lt_key /*in,out */ , hbool_t *lt_key_changed /*out */ , void UNUSED * _udata /*in,out */ , void UNUSED * _rt_key /*in,out */ , hbool_t *rt_key_changed /*out */ ) { H5D_btree_key_t *lt_key = (H5D_btree_key_t *)_lt_key; H5B_ins_t ret_value=H5B_INS_REMOVE; /* Return value */ FUNC_ENTER_STATIC /* Remove raw data chunk from file */ H5_CHECK_OVERFLOW(lt_key->nbytes, uint32_t, hsize_t); if(H5MF_xfree(f, H5FD_MEM_DRAW, dxpl_id, addr, (hsize_t)lt_key->nbytes) < 0) HGOTO_ERROR(H5E_STORAGE, H5E_CANTFREE, H5B_INS_ERROR, "unable to free chunk") /* Mark keys as unchanged */ *lt_key_changed = FALSE; *rt_key_changed = FALSE; done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5D__btree_remove() */ /*------------------------------------------------------------------------- * Function: H5D__btree_decode_key * * Purpose: Decodes a raw key into a native key for the B-tree * * Return: Non-negative on success/Negative on failure * * Programmer: Robb Matzke * Friday, October 10, 1997 * *------------------------------------------------------------------------- */ static herr_t H5D__btree_decode_key(const H5B_shared_t *shared, const uint8_t *raw, void *_key) { H5D_btree_key_t *key = (H5D_btree_key_t *) _key; size_t ndims; unsigned u; FUNC_ENTER_STATIC_NOERR /* check args */ HDassert(shared); HDassert(raw); HDassert(key); ndims = H5D_BTREE_NDIMS(shared); HDassert(ndims <= H5O_LAYOUT_NDIMS); /* decode */ UINT32DECODE(raw, key->nbytes); UINT32DECODE(raw, key->filter_mask); for(u = 0; u < ndims; u++) UINT64DECODE(raw, key->offset[u]); FUNC_LEAVE_NOAPI(SUCCEED) } /* end H5D__btree_decode_key() */ /*------------------------------------------------------------------------- * Function: H5D__btree_encode_key * * Purpose: Encode a key from native format to raw format. * * Return: Non-negative on success/Negative on failure * * Programmer: Robb Matzke * Friday, October 10, 1997 * *------------------------------------------------------------------------- */ static herr_t H5D__btree_encode_key(const H5B_shared_t *shared, uint8_t *raw, const void *_key) { const H5D_btree_key_t *key = (const H5D_btree_key_t *)_key; size_t ndims; unsigned u; FUNC_ENTER_STATIC_NOERR /* check args */ HDassert(shared); HDassert(raw); HDassert(key); ndims = H5D_BTREE_NDIMS(shared); HDassert(ndims <= H5O_LAYOUT_NDIMS); /* encode */ UINT32ENCODE(raw, key->nbytes); UINT32ENCODE(raw, key->filter_mask); for(u = 0; u < ndims; u++) UINT64ENCODE(raw, key->offset[u]); FUNC_LEAVE_NOAPI(SUCCEED) } /* end H5D__btree_encode_key() */ /*------------------------------------------------------------------------- * Function: H5D__btree_debug_key * * Purpose: Prints a key. * * Return: Non-negative on success/Negative on failure * * Programmer: Robb Matzke * Thursday, April 16, 1998 * *------------------------------------------------------------------------- */ /* ARGSUSED */ static herr_t H5D__btree_debug_key(FILE *stream, int indent, int fwidth, const void *_key, const void *_udata) { const H5D_btree_key_t *key = (const H5D_btree_key_t *)_key; const H5D_btree_dbg_t *udata = (const H5D_btree_dbg_t *)_udata; unsigned u; FUNC_ENTER_STATIC_NOERR HDassert(key); HDfprintf(stream, "%*s%-*s %u bytes\n", indent, "", fwidth, "Chunk size:", (unsigned)key->nbytes); HDfprintf(stream, "%*s%-*s 0x%08x\n", indent, "", fwidth, "Filter mask:", key->filter_mask); HDfprintf(stream, "%*s%-*s {", indent, "", fwidth, "Logical offset:"); for(u = 0; u < udata->ndims; u++) HDfprintf(stream, "%s%Hd", u?", ":"", key->offset[u]); HDfputs("}\n", stream); FUNC_LEAVE_NOAPI(SUCCEED) } /* end H5D__btree_debug_key() */ /*------------------------------------------------------------------------- * Function: H5D__btree_shared_create * * Purpose: Create & initialize B-tree shared info * * Return: Non-negative on success/Negative on failure * * Programmer: Quincey Koziol * Monday, September 27, 2004 * *------------------------------------------------------------------------- */ static herr_t H5D__btree_shared_create(const H5F_t *f, H5O_storage_chunk_t *store, unsigned ndims) { H5B_shared_t *shared; /* Shared B-tree node info */ size_t sizeof_rkey; /* Size of raw (disk) key */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_STATIC /* Set the raw key size */ sizeof_rkey = 4 + /*storage size */ 4 + /*filter mask */ ndims * 8; /*dimension indices */ /* Allocate & initialize global info for the shared structure */ if(NULL == (shared = H5B_shared_new(f, H5B_BTREE, sizeof_rkey))) HGOTO_ERROR(H5E_BTREE, H5E_NOSPACE, FAIL, "memory allocation failed for shared B-tree info") /* Set up the "local" information for this dataset's chunks */ /* */ /* Make shared B-tree info reference counted */ if(NULL == (store->u.btree.shared = H5RC_create(shared, H5B_shared_free))) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "can't create ref-count wrapper for shared B-tree info") done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5D__btree_shared_create() */ /*------------------------------------------------------------------------- * Function: H5D__btree_idx_init * * Purpose: Initialize the indexing information for a dataset. * * Return: Non-negative on success/Negative on failure * * Programmer: Robb Matzke * Monday, May 18, 1998 * *------------------------------------------------------------------------- */ static herr_t H5D__btree_idx_init(const H5D_chk_idx_info_t *idx_info, const H5S_t UNUSED *space, haddr_t dset_ohdr_addr) { herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_STATIC /* Check args */ HDassert(idx_info); HDassert(idx_info->f); HDassert(idx_info->pline); HDassert(idx_info->layout); HDassert(idx_info->storage); HDassert(H5F_addr_defined(dset_ohdr_addr)); idx_info->storage->u.btree.dset_ohdr_addr = dset_ohdr_addr; /* Allocate the shared structure */ if(H5D__btree_shared_create(idx_info->f, idx_info->storage, idx_info->layout->ndims) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINIT, FAIL, "can't create wrapper for shared B-tree info") done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5D__btree_idx_init() */ /*------------------------------------------------------------------------- * Function: H5D__btree_idx_create * * Purpose: Creates a new indexed-storage B-tree and initializes the * layout struct with information about the storage. The * struct should be immediately written to the object header. * * This function must be called before passing LAYOUT to any of * the other indexed storage functions! * * Return: Non-negative on success (with the LAYOUT argument initialized * and ready to write to an object header). Negative on failure. * * Programmer: Robb Matzke * Tuesday, October 21, 1997 * *------------------------------------------------------------------------- */ static herr_t H5D__btree_idx_create(const H5D_chk_idx_info_t *idx_info) { H5D_chunk_common_ud_t udata; /* User data for B-tree callback */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_STATIC /* Check args */ HDassert(idx_info); HDassert(idx_info->f); HDassert(idx_info->pline); HDassert(idx_info->layout); HDassert(idx_info->storage); HDassert(!H5F_addr_defined(idx_info->storage->idx_addr)); /* Initialize "user" data for B-tree callbacks, etc. */ udata.layout = idx_info->layout; udata.storage = idx_info->storage; /* Create the v1 B-tree for the chunk index */ if(H5B_create(idx_info->f, idx_info->dxpl_id, H5B_BTREE, &udata, &(idx_info->storage->idx_addr)/*out*/) < 0) HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, FAIL, "can't create B-tree") done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5D__btree_idx_create() */ /*------------------------------------------------------------------------- * Function: H5D__btree_idx_is_space_alloc * * Purpose: Query if space is allocated for index method * * Return: Non-negative on success/Negative on failure * * Programmer: Quincey Koziol * Thursday, January 15, 2009 * *------------------------------------------------------------------------- */ static hbool_t H5D__btree_idx_is_space_alloc(const H5O_storage_chunk_t *storage) { hbool_t ret_value; /* Return value */ FUNC_ENTER_STATIC_NOERR /* Check args */ HDassert(storage); /* Set return value */ ret_value = (hbool_t)H5F_addr_defined(storage->idx_addr); FUNC_LEAVE_NOAPI(ret_value) } /* end H5D__btree_idx_is_space_alloc() */ /*------------------------------------------------------------------------- * Function: H5D__btree_idx_insert * * Purpose: Create the chunk it if it doesn't exist, or reallocate the * chunk if its size changed. * * Return: Non-negative on success/Negative on failure * * Programmer: Robb Matzke * Thursday, May 21, 1998 * *------------------------------------------------------------------------- */ static herr_t H5D__btree_idx_insert(const H5D_chk_idx_info_t *idx_info, H5D_chunk_ud_t *udata) { herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_STATIC HDassert(idx_info); HDassert(idx_info->f); HDassert(idx_info->pline); HDassert(idx_info->layout); HDassert(idx_info->storage); HDassert(H5F_addr_defined(idx_info->storage->idx_addr)); HDassert(udata); /* * Create the chunk it if it doesn't exist, or reallocate the chunk if * its size changed. */ if(H5B_insert(idx_info->f, idx_info->dxpl_id, H5B_BTREE, idx_info->storage->idx_addr, udata) < 0) HGOTO_ERROR(H5E_IO, H5E_WRITEERROR, FAIL, "unable to allocate chunk") done: FUNC_LEAVE_NOAPI(ret_value) } /* H5D__btree_idx_insert() */ /*------------------------------------------------------------------------- * Function: H5D__btree_idx_get_addr * * Purpose: Get the file address of a chunk if file space has been * assigned. Save the retrieved information in the udata * supplied. * * Return: Non-negative on success/Negative on failure * * Programmer: Albert Cheng * June 27, 1998 * *------------------------------------------------------------------------- */ static herr_t H5D__btree_idx_get_addr(const H5D_chk_idx_info_t *idx_info, H5D_chunk_ud_t *udata) { herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_STATIC HDassert(idx_info); HDassert(idx_info->f); HDassert(idx_info->pline); HDassert(idx_info->layout); HDassert(idx_info->layout->ndims > 0); HDassert(idx_info->storage); HDassert(H5F_addr_defined(idx_info->storage->idx_addr)); HDassert(udata); /* Go get the chunk information from the B-tree */ if(H5B_find(idx_info->f, idx_info->dxpl_id, H5B_BTREE, idx_info->storage->idx_addr, udata) < 0) HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "can't get chunk info") done: FUNC_LEAVE_NOAPI(ret_value) } /* H5D__btree_idx_get_addr() */ /*------------------------------------------------------------------------- * Function: H5D__btree_idx_iterate_cb * * Purpose: Translate the B-tree specific chunk record into a generic * form and make the callback to the generic chunk callback * routine. * * Return: Success: Non-negative * Failure: Negative * * Programmer: Quincey Koziol * Tuesday, May 20, 2008 * *------------------------------------------------------------------------- */ /* ARGSUSED */ static int H5D__btree_idx_iterate_cb(H5F_t UNUSED *f, hid_t UNUSED dxpl_id, const void *_lt_key, haddr_t addr, const void UNUSED *_rt_key, void *_udata) { H5D_btree_it_ud_t *udata = (H5D_btree_it_ud_t *)_udata; /* User data */ const H5D_btree_key_t *lt_key = (const H5D_btree_key_t *)_lt_key; /* B-tree key for chunk */ H5D_chunk_rec_t chunk_rec; /* Generic chunk record for callback */ int ret_value; /* Return value */ FUNC_ENTER_STATIC_NOERR /* Sanity check for memcpy() */ HDcompile_assert(offsetof(H5D_chunk_rec_t, nbytes) == offsetof(H5D_btree_key_t, nbytes)); HDcompile_assert(sizeof(chunk_rec.nbytes) == sizeof(lt_key->nbytes)); HDcompile_assert(offsetof(H5D_chunk_rec_t, offset) == offsetof(H5D_btree_key_t, offset)); HDcompile_assert(sizeof(chunk_rec.offset) == sizeof(lt_key->offset)); HDcompile_assert(offsetof(H5D_chunk_rec_t, filter_mask) == offsetof(H5D_btree_key_t, filter_mask)); HDcompile_assert(sizeof(chunk_rec.filter_mask) == sizeof(lt_key->filter_mask)); /* Compose generic chunk record for callback */ HDmemcpy(&chunk_rec, lt_key, sizeof(*lt_key)); chunk_rec.chunk_addr = addr; /* Make "generic chunk" callback */ if((ret_value = (udata->cb)(&chunk_rec, udata->udata)) < 0) HERROR(H5E_DATASET, H5E_CALLBACK, "failure in generic chunk iterator callback"); FUNC_LEAVE_NOAPI(ret_value) } /* H5D__btree_idx_iterate_cb() */ /*------------------------------------------------------------------------- * Function: H5D__btree_idx_iterate * * Purpose: Iterate over the chunks in an index, making a callback * for each one. * * Return: Non-negative on success/Negative on failure * * Programmer: Quincey Koziol * Tuesday, May 20, 2008 * *------------------------------------------------------------------------- */ static int H5D__btree_idx_iterate(const H5D_chk_idx_info_t *idx_info, H5D_chunk_cb_func_t chunk_cb, void *chunk_udata) { H5D_btree_it_ud_t udata; /* User data for B-tree iterator callback */ int ret_value; /* Return value */ FUNC_ENTER_STATIC_NOERR HDassert(idx_info); HDassert(idx_info->f); HDassert(idx_info->pline); HDassert(idx_info->layout); HDassert(idx_info->storage); HDassert(H5F_addr_defined(idx_info->storage->idx_addr)); HDassert(chunk_cb); HDassert(chunk_udata); /* Initialize userdata */ HDmemset(&udata, 0, sizeof udata); udata.common.layout = idx_info->layout; udata.common.storage = idx_info->storage; udata.cb = chunk_cb; udata.udata = chunk_udata; /* Iterate over existing chunks */ if((ret_value = H5B_iterate(idx_info->f, idx_info->dxpl_id, H5B_BTREE, idx_info->storage->idx_addr, H5D__btree_idx_iterate_cb, &udata)) < 0) HERROR(H5E_DATASET, H5E_BADITER, "unable to iterate over chunk B-tree"); FUNC_LEAVE_NOAPI(ret_value) } /* end H5D__btree_idx_iterate() */ /*------------------------------------------------------------------------- * Function: H5D__btree_idx_remove * * Purpose: Remove chunk from index. * * Return: Non-negative on success/Negative on failure * * Programmer: Quincey Koziol * Thursday, May 22, 2008 * *------------------------------------------------------------------------- */ static herr_t H5D__btree_idx_remove(const H5D_chk_idx_info_t *idx_info, H5D_chunk_common_ud_t *udata) { herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_STATIC HDassert(idx_info); HDassert(idx_info->f); HDassert(idx_info->pline); HDassert(idx_info->layout); HDassert(idx_info->storage); HDassert(H5F_addr_defined(idx_info->storage->idx_addr)); HDassert(udata); /* Remove the chunk from the v1 B-tree index and release the space for the * chunk (in the B-tree callback). */ if(H5B_remove(idx_info->f, idx_info->dxpl_id, H5B_BTREE, idx_info->storage->idx_addr, udata) < 0) HGOTO_ERROR(H5E_DATASET, H5E_CANTDELETE, FAIL, "unable to remove chunk entry") done: FUNC_LEAVE_NOAPI(ret_value) } /* H5D__btree_idx_remove() */ /*------------------------------------------------------------------------- * Function: H5D__btree_idx_delete * * Purpose: Delete index and raw data storage for entire dataset * (i.e. all chunks) * * Return: Success: Non-negative * Failure: negative * * Programmer: Quincey Koziol * Thursday, March 20, 2003 * *------------------------------------------------------------------------- */ static herr_t H5D__btree_idx_delete(const H5D_chk_idx_info_t *idx_info) { herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_STATIC /* Sanity checks */ HDassert(idx_info); HDassert(idx_info->f); HDassert(idx_info->pline); HDassert(idx_info->layout); HDassert(idx_info->storage); /* Check if the index data structure has been allocated */ if(H5F_addr_defined(idx_info->storage->idx_addr)) { H5O_storage_chunk_t tmp_storage; /* Local copy of storage info */ H5D_chunk_common_ud_t udata; /* User data for B-tree operations */ /* Set up temporary chunked storage info */ tmp_storage = *idx_info->storage; /* Set up the shared structure */ if(H5D__btree_shared_create(idx_info->f, &tmp_storage, idx_info->layout->ndims) < 0) HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, FAIL, "can't create wrapper for shared B-tree info") /* Set up B-tree user data */ HDmemset(&udata, 0, sizeof udata); udata.layout = idx_info->layout; udata.storage = &tmp_storage; /* Delete entire B-tree */ if(H5B_delete(idx_info->f, idx_info->dxpl_id, H5B_BTREE, tmp_storage.idx_addr, &udata) < 0) HGOTO_ERROR(H5E_DATASET, H5E_CANTDELETE, FAIL, "unable to delete chunk B-tree") /* Release the shared B-tree page */ if(NULL == tmp_storage.u.btree.shared) HGOTO_ERROR(H5E_DATASET, H5E_CANTFREE, FAIL, "ref-counted page nil") if(H5RC_DEC(tmp_storage.u.btree.shared) < 0) HGOTO_ERROR(H5E_DATASET, H5E_CANTFREE, FAIL, "unable to decrement ref-counted page") } /* end if */ done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5D__btree_idx_delete() */ /*------------------------------------------------------------------------- * Function: H5D__btree_idx_copy_setup * * Purpose: Set up any necessary information for copying chunks * * Return: Non-negative on success/Negative on failure * * Programmer: Quincey Koziol * Thursday, May 29, 2008 * *------------------------------------------------------------------------- */ static herr_t H5D__btree_idx_copy_setup(const H5D_chk_idx_info_t *idx_info_src, const H5D_chk_idx_info_t *idx_info_dst) { herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_STATIC HDassert(idx_info_src); HDassert(idx_info_src->f); HDassert(idx_info_src->pline); HDassert(idx_info_src->layout); HDassert(idx_info_src->storage); HDassert(idx_info_dst); HDassert(idx_info_dst->f); HDassert(idx_info_dst->pline); HDassert(idx_info_dst->layout); HDassert(idx_info_dst->storage); HDassert(!H5F_addr_defined(idx_info_dst->storage->idx_addr)); /* Create shared B-tree info for each file */ if(H5D__btree_shared_create(idx_info_src->f, idx_info_src->storage, idx_info_src->layout->ndims) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINIT, FAIL, "can't create wrapper for source shared B-tree info") if(H5D__btree_shared_create(idx_info_dst->f, idx_info_dst->storage, idx_info_dst->layout->ndims) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINIT, FAIL, "can't create wrapper for destination shared B-tree info") /* Create the root of the B-tree that describes chunked storage in the dest. file */ if(H5D__btree_idx_create(idx_info_dst) < 0) HGOTO_ERROR(H5E_IO, H5E_CANTINIT, FAIL, "unable to initialize chunked storage") HDassert(H5F_addr_defined(idx_info_dst->storage->idx_addr)); done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5D__btree_idx_copy_setup() */ /*------------------------------------------------------------------------- * Function: H5D__btree_idx_copy_shutdown * * Purpose: Shutdown any information from copying chunks * * Return: Non-negative on success/Negative on failure * * Programmer: Quincey Koziol * Thursday, May 29, 2008 * *------------------------------------------------------------------------- */ static herr_t H5D__btree_idx_copy_shutdown(H5O_storage_chunk_t *storage_src, H5O_storage_chunk_t *storage_dst, hid_t UNUSED dxpl_id) { herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_STATIC HDassert(storage_src); HDassert(storage_dst); /* Decrement refcount on shared B-tree info */ if(H5RC_DEC(storage_src->u.btree.shared) < 0) HGOTO_ERROR(H5E_DATASET, H5E_CANTDEC, FAIL, "unable to decrement ref-counted page") if(H5RC_DEC(storage_dst->u.btree.shared) < 0) HGOTO_ERROR(H5E_DATASET, H5E_CANTDEC, FAIL, "unable to decrement ref-counted page") done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5D__btree_idx_copy_shutdown() */ /*------------------------------------------------------------------------- * Function: H5D__btree_idx_size * * Purpose: Retrieve the amount of index storage for chunked dataset * * Return: Success: Non-negative * Failure: negative * * Programmer: Vailin Choi * June 8, 2007 * *------------------------------------------------------------------------- */ static herr_t H5D__btree_idx_size(const H5D_chk_idx_info_t *idx_info, hsize_t *index_size) { H5D_chunk_common_ud_t udata; /* User-data for loading B-tree nodes */ H5B_info_t bt_info; /* B-tree info */ hbool_t shared_init = FALSE; /* Whether shared B-tree info is initialized */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_STATIC /* Check args */ HDassert(idx_info); HDassert(idx_info->f); HDassert(idx_info->pline); HDassert(idx_info->layout); HDassert(idx_info->storage); HDassert(index_size); /* Initialize the shared info for the B-tree traversal */ if(H5D__btree_shared_create(idx_info->f, idx_info->storage, idx_info->layout->ndims) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINIT, FAIL, "can't create wrapper for shared B-tree info") shared_init = TRUE; /* Initialize B-tree node user-data */ HDmemset(&udata, 0, sizeof udata); udata.layout = idx_info->layout; udata.storage = idx_info->storage; /* Get metadata information for B-tree */ if(H5B_get_info(idx_info->f, idx_info->dxpl_id, H5B_BTREE, idx_info->storage->idx_addr, &bt_info, NULL, &udata) < 0) HGOTO_ERROR(H5E_BTREE, H5E_CANTINIT, FAIL, "unable to iterate over chunk B-tree") /* Set the size of the B-tree */ *index_size = bt_info.size; done: if(shared_init) { if(NULL == idx_info->storage->u.btree.shared) HDONE_ERROR(H5E_IO, H5E_CANTFREE, FAIL, "ref-counted page nil") if(H5RC_DEC(idx_info->storage->u.btree.shared) < 0) HDONE_ERROR(H5E_IO, H5E_CANTFREE, FAIL, "unable to decrement ref-counted page") } /* end if */ FUNC_LEAVE_NOAPI(ret_value) } /* end H5D__btree_idx_size() */ /*------------------------------------------------------------------------- * Function: H5D__btree_idx_reset * * Purpose: Reset indexing information. * * Return: Non-negative on success/Negative on failure * * Programmer: Quincey Koziol * Thursday, January 15, 2009 * *------------------------------------------------------------------------- */ static herr_t H5D__btree_idx_reset(H5O_storage_chunk_t *storage, hbool_t reset_addr) { FUNC_ENTER_STATIC_NOERR HDassert(storage); /* Reset index info */ if(reset_addr) storage->idx_addr = HADDR_UNDEF; storage->u.btree.shared = NULL; FUNC_LEAVE_NOAPI(SUCCEED) } /* end H5D__btree_idx_reset() */ /*------------------------------------------------------------------------- * Function: H5D__btree_idx_dump * * Purpose: Dump indexing information to a stream. * * Return: Non-negative on success/Negative on failure * * Programmer: Quincey Koziol * Thursday, January 15, 2009 * *------------------------------------------------------------------------- */ static herr_t H5D__btree_idx_dump(const H5O_storage_chunk_t *storage, FILE *stream) { FUNC_ENTER_STATIC_NOERR HDassert(storage); HDassert(stream); HDfprintf(stream, " Address: %a\n", storage->idx_addr); FUNC_LEAVE_NOAPI(SUCCEED) } /* end H5D__btree_idx_dump() */ /*------------------------------------------------------------------------- * Function: H5D__btree_idx_dest * * Purpose: Release indexing information in memory. * * Return: Non-negative on success/Negative on failure * * Programmer: Robb Matzke * Thursday, May 21, 1998 * *------------------------------------------------------------------------- */ static herr_t H5D__btree_idx_dest(const H5D_chk_idx_info_t *idx_info) { herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_STATIC HDassert(idx_info); HDassert(idx_info->f); HDassert(idx_info->pline); HDassert(idx_info->layout); HDassert(idx_info->storage); /* Free the raw B-tree node buffer */ if(NULL == idx_info->storage->u.btree.shared) HGOTO_ERROR(H5E_IO, H5E_CANTFREE, FAIL, "ref-counted page nil") if(H5RC_DEC(idx_info->storage->u.btree.shared) < 0) HGOTO_ERROR(H5E_IO, H5E_CANTFREE, FAIL, "unable to decrement ref-counted page") done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5D__btree_idx_dest() */ /*------------------------------------------------------------------------- * Function: H5D_btree_debug * * Purpose: Debugs a B-tree node for indexed raw data storage. * * Return: Non-negative on success/Negative on failure * * Programmer: Robb Matzke * Thursday, April 16, 1998 * *------------------------------------------------------------------------- */ herr_t H5D_btree_debug(H5F_t *f, hid_t dxpl_id, haddr_t addr, FILE * stream, int indent, int fwidth, unsigned ndims) { H5D_btree_dbg_t udata; /* User data for B-tree callback */ H5O_storage_chunk_t storage; /* Storage information for B-tree callback */ hbool_t shared_init = FALSE; /* Whether B-tree shared info is initialized */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) /* Reset "fake" storage info */ HDmemset(&storage, 0, sizeof(storage)); storage.idx_type = H5D_CHUNK_BTREE; /* Allocate the shared structure */ if(H5D__btree_shared_create(f, &storage, ndims) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTINIT, FAIL, "can't create wrapper for shared B-tree info") shared_init = TRUE; /* Set up user data for callback */ udata.common.layout = NULL; udata.common.storage = &storage; udata.common.offset = NULL; udata.ndims = ndims; /* Dump the records for the B-tree */ (void)H5B_debug(f, dxpl_id, addr, stream, indent, fwidth, H5B_BTREE, &udata); done: if(shared_init) { /* Free the raw B-tree node buffer */ if(NULL == storage.u.btree.shared) HDONE_ERROR(H5E_IO, H5E_CANTFREE, FAIL, "ref-counted page nil") else if(H5RC_DEC(storage.u.btree.shared) < 0) HDONE_ERROR(H5E_IO, H5E_CANTFREE, FAIL, "unable to decrement ref-counted page") } /* end if */ FUNC_LEAVE_NOAPI(ret_value) } /* end H5D_btree_debug() */