diff options
Diffstat (limited to 'src/H5Gbtree2.c')
| -rw-r--r-- | src/H5Gbtree2.c | 215 |
1 files changed, 214 insertions, 1 deletions
diff --git a/src/H5Gbtree2.c b/src/H5Gbtree2.c index f53493c..0a7ac28 100644 --- a/src/H5Gbtree2.c +++ b/src/H5Gbtree2.c @@ -75,7 +75,18 @@ typedef struct H5G_fh_ud_cmp_t { /* v2 B-tree function callbacks */ -/* v2 B-tree driver callbacks */ +/* v2 B-tree driver callbacks for 'creation order' index */ +static herr_t H5G_dense_btree2_corder_store(void *native, const void *udata); +static herr_t H5G_dense_btree2_corder_retrieve(void *udata, const void *native); +static herr_t H5G_dense_btree2_corder_compare(const void *rec1, const void *rec2); +static herr_t H5G_dense_btree2_corder_encode(const H5F_t *f, uint8_t *raw, + const void *native); +static herr_t H5G_dense_btree2_corder_decode(const H5F_t *f, const uint8_t *raw, + void *native); +static herr_t H5G_dense_btree2_corder_debug(FILE *stream, const H5F_t *f, hid_t dxpl_id, + int indent, int fwidth, const void *record, const void *_udata); + +/* v2 B-tree driver callbacks for 'name' index */ static herr_t H5G_dense_btree2_name_store(void *native, const void *udata); static herr_t H5G_dense_btree2_name_retrieve(void *udata, const void *native); static herr_t H5G_dense_btree2_name_compare(const void *rec1, const void *rec2); @@ -106,6 +117,18 @@ const H5B2_class_t H5G_BT2_NAME[1]={{ /* B-tree class information */ H5G_dense_btree2_name_debug /* Record debugging callback */ }}; +/* v2 B-tree class for indexing 'creation order' field of links */ +const H5B2_class_t H5G_BT2_CORDER[1]={{ /* B-tree class information */ + H5B2_GRP_DENSE_CORDER_ID, /* Type of B-tree */ + sizeof(H5G_dense_bt2_corder_rec_t), /* Size of native record */ + H5G_dense_btree2_corder_store, /* Record storage callback */ + H5G_dense_btree2_corder_retrieve, /* Record retrieval callback */ + H5G_dense_btree2_corder_compare, /* Record comparison callback */ + H5G_dense_btree2_corder_encode, /* Record encoding callback */ + H5G_dense_btree2_corder_decode, /* Record decoding callback */ + H5G_dense_btree2_corder_debug /* Record debugging callback */ +}}; + /*****************************/ /* Library Private Variables */ /*****************************/ @@ -374,3 +397,193 @@ H5G_dense_btree2_name_debug(FILE *stream, const H5F_t UNUSED *f, hid_t UNUSED dx FUNC_LEAVE_NOAPI(SUCCEED) } /* H5G_dense_btree2_name_debug() */ + +/*------------------------------------------------------------------------- + * Function: H5G_dense_btree2_corder_store + * + * Purpose: Store user information into native record for v2 B-tree + * + * Return: Success: non-negative + * Failure: negative + * + * Programmer: Quincey Koziol + * Monday, October 30, 2006 + * + *------------------------------------------------------------------------- + */ +static herr_t +H5G_dense_btree2_corder_store(void *_nrecord, const void *_udata) +{ + const H5G_bt2_ud_ins_t *udata = (const H5G_bt2_ud_ins_t *)_udata; + H5G_dense_bt2_corder_rec_t *nrecord = (H5G_dense_bt2_corder_rec_t *)_nrecord; + + FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5G_dense_btree2_corder_store) + + /* Copy user information info native record */ + nrecord->corder = udata->common.corder; + HDmemcpy(nrecord->id, udata->id, (size_t)H5G_DENSE_FHEAP_ID_LEN); + + FUNC_LEAVE_NOAPI(SUCCEED) +} /* H5G_dense_btree2_corder_store() */ + + +/*------------------------------------------------------------------------- + * Function: H5G_dense_btree2_corder_retrieve + * + * Purpose: Retrieve native information from record for v2 B-tree + * + * Return: Success: non-negative + * Failure: negative + * + * Programmer: Quincey Koziol + * Monday, October 30, 2006 + * + *------------------------------------------------------------------------- + */ +static herr_t +H5G_dense_btree2_corder_retrieve(void *udata, const void *nrecord) +{ + FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5G_dense_btree2_corder_retrieve) + + *(H5G_dense_bt2_corder_rec_t *)udata = *(const H5G_dense_bt2_corder_rec_t *)nrecord; + + FUNC_LEAVE_NOAPI(SUCCEED) +} /* H5G_dense_btree2_corder_retrieve() */ + + +/*------------------------------------------------------------------------- + * Function: H5G_dense_btree2_corder_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 + * Monday, October 30, 2006 + * + *------------------------------------------------------------------------- + */ +static herr_t +H5G_dense_btree2_corder_compare(const void *_bt2_udata, const void *_bt2_rec) +{ + const H5G_bt2_ud_common_t *bt2_udata = (const H5G_bt2_ud_common_t *)_bt2_udata; + const H5G_dense_bt2_corder_rec_t *bt2_rec = (const H5G_dense_bt2_corder_rec_t *)_bt2_rec; + herr_t ret_value; /* Return value */ + + FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5G_dense_btree2_corder_compare) + + /* Sanity check */ + HDassert(bt2_udata); + HDassert(bt2_rec); + +#ifdef QAK +{ +unsigned u; + +HDfprintf(stderr, "%s: bt2_udata = %Hu}\n", "H5G_dense_btree2_corder_compare", (hsize_t)bt2_udata->corder); +HDfprintf(stderr, "%s: bt2_rec = {%Hu, ", "H5G_dense_btree2_corder_compare", (hsize_t)bt2_rec->corder); +for(u = 0; u < H5G_DENSE_FHEAP_ID_LEN; u++) + HDfprintf(stderr, "%02x%s", bt2_rec->id[u], (u < (H5G_DENSE_FHEAP_ID_LEN - 1) ? " " : "}\n")); +} +#endif /* QAK */ + /* Check creation order value */ + if(bt2_udata->corder < bt2_rec->corder) + ret_value = -1; + else if(bt2_udata->corder > bt2_rec->corder) + ret_value = 1; + else + ret_value = 0; + + FUNC_LEAVE_NOAPI(ret_value) +} /* H5G_dense_btree2_corder_compare() */ + + +/*------------------------------------------------------------------------- + * Function: H5G_dense_btree2_corder_encode + * + * Purpose: Encode native information into raw form for storing on disk + * + * Return: Success: non-negative + * Failure: negative + * + * Programmer: Quincey Koziol + * Monday, October 30, 2006 + * + *------------------------------------------------------------------------- + */ +static herr_t +H5G_dense_btree2_corder_encode(const H5F_t UNUSED *f, uint8_t *raw, const void *_nrecord) +{ + const H5G_dense_bt2_corder_rec_t *nrecord = (const H5G_dense_bt2_corder_rec_t *)_nrecord; + + FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5G_dense_btree2_corder_encode) + + /* Encode the record's fields */ + UINT64ENCODE(raw, nrecord->corder) + HDmemcpy(raw, nrecord->id, (size_t)H5G_DENSE_FHEAP_ID_LEN); + + FUNC_LEAVE_NOAPI(SUCCEED) +} /* H5G_dense_btree2_corder_encode() */ + + +/*------------------------------------------------------------------------- + * Function: H5G_dense_btree2_corder_decode + * + * Purpose: Decode raw disk form of record into native form + * + * Return: Success: non-negative + * Failure: negative + * + * Programmer: Quincey Koziol + * Monday, October 30, 2006 + * + *------------------------------------------------------------------------- + */ +static herr_t +H5G_dense_btree2_corder_decode(const H5F_t UNUSED *f, const uint8_t *raw, void *_nrecord) +{ + H5G_dense_bt2_corder_rec_t *nrecord = (H5G_dense_bt2_corder_rec_t *)_nrecord; + + FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5G_dense_btree2_corder_decode) + + /* Decode the record's fields */ + UINT64DECODE(raw, nrecord->corder) + HDmemcpy(nrecord->id, raw, (size_t)H5G_DENSE_FHEAP_ID_LEN); + + FUNC_LEAVE_NOAPI(SUCCEED) +} /* H5G_dense_btree2_corder_decode() */ + + +/*------------------------------------------------------------------------- + * Function: H5G_dense_btree2_corder_debug + * + * Purpose: Debug native form of record + * + * Return: Success: non-negative + * Failure: negative + * + * Programmer: Quincey Koziol + * Monday, October 30, 2006 + * + *------------------------------------------------------------------------- + */ +static herr_t +H5G_dense_btree2_corder_debug(FILE *stream, const H5F_t UNUSED *f, hid_t UNUSED dxpl_id, + int indent, int fwidth, const void *_nrecord, + const void UNUSED *_udata) +{ + const H5G_dense_bt2_corder_rec_t *nrecord = (const H5G_dense_bt2_corder_rec_t *)_nrecord; + unsigned u; /* Local index variable */ + + FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5G_dense_btree2_corder_debug) + + HDfprintf(stream, "%*s%-*s {%Hu, ", indent, "", fwidth, "Record:", + nrecord->corder); + for(u = 0; u < H5G_DENSE_FHEAP_ID_LEN; u++) + HDfprintf(stderr, "%02x%s", nrecord->id[u], (u < (H5G_DENSE_FHEAP_ID_LEN - 1) ? " " : "}\n")); + + FUNC_LEAVE_NOAPI(SUCCEED) +} /* H5G_dense_btree2_corder_debug() */ + |