diff options
Diffstat (limited to 'src/H5B2test.c')
| -rw-r--r-- | src/H5B2test.c | 168 |
1 files changed, 143 insertions, 25 deletions
diff --git a/src/H5B2test.c b/src/H5B2test.c index 87fddf7..e0c96fb 100644 --- a/src/H5B2test.c +++ b/src/H5B2test.c @@ -61,6 +61,7 @@ typedef struct H5B2_test_ctx_t { /* Local Prototypes */ /********************/ +/* v2 B-tree driver callbacks for 'test' B-trees */ static void *H5B2__test_crt_context(void *udata); static herr_t H5B2__test_dst_context(void *ctx); static herr_t H5B2__test_store(void *nrecord, const void *udata); @@ -69,13 +70,21 @@ static herr_t H5B2__test_encode(uint8_t *raw, const void *nrecord, void *ctx); static herr_t H5B2__test_decode(const uint8_t *raw, void *nrecord, void *ctx); static herr_t H5B2__test_debug(FILE *stream, int indent, int fwidth, const void *record, const void *_udata); -static void *H5B2__test_crt_dbg_context(H5F_t *f, hid_t dxpl_id, haddr_t addr); + +/* v2 B-tree driver callbacks for 'test2' B-trees */ +static herr_t H5B2__test2_store(void *nrecord, const void *udata); +static herr_t H5B2__test2_compare(const void *rec1, const void *rec2); +static herr_t H5B2__test2_encode(uint8_t *raw, const void *nrecord, void *ctx); +static herr_t H5B2__test2_decode(const uint8_t *raw, void *nrecord, void *ctx); +static herr_t H5B2__test2_debug(FILE *stream, int indent, int fwidth, + const void *record, const void *_udata); /*********************/ /* Package Variables */ /*********************/ +/* Class structure for testing simple B-tree records */ const H5B2_class_t H5B2_TEST[1]={{ /* B-tree class information */ H5B2_TEST_ID, /* Type of B-tree */ "H5B2_TEST_ID", /* Name of B-tree class */ @@ -86,9 +95,21 @@ const H5B2_class_t H5B2_TEST[1]={{ /* B-tree class information */ H5B2__test_compare, /* Record comparison callback */ H5B2__test_encode, /* Record encoding callback */ H5B2__test_decode, /* Record decoding callback */ - H5B2__test_debug, /* Record debugging callback */ - H5B2__test_crt_dbg_context, /* Create debugging context */ - H5B2__test_dst_context /* Destroy debugging context */ + H5B2__test_debug /* Record debugging callback */ +}}; + +/* Class structure for testing key/value B-tree records */ +const H5B2_class_t H5B2_TEST2[1]={{ /* B-tree class information */ + H5B2_TEST2_ID, /* Type of B-tree */ + "H5B2_TEST2_ID", /* Name of B-tree class */ + sizeof(H5B2_test_rec_t), /* Size of native record */ + H5B2__test_crt_context, /* Create client callback context */ + H5B2__test_dst_context, /* Destroy client callback context */ + H5B2__test2_store, /* Record storage callback */ + H5B2__test2_compare, /* Record comparison callback */ + H5B2__test2_encode, /* Record encoding callback */ + H5B2__test2_decode, /* Record decoding callback */ + H5B2__test2_debug /* Record debugging callback */ }}; @@ -310,42 +331,139 @@ H5B2__test_debug(FILE *stream, int indent, int fwidth, const void *record, /*------------------------------------------------------------------------- - * Function: H5B2__test_crt_dbg_context + * Function: H5B2__test2_store * - * Purpose: Create context for debugging callback + * Purpose: Store native information into record for B-tree * - * Return: Success: non-NULL - * Failure: NULL + * Return: Success: non-negative + * Failure: negative * * Programmer: Quincey Koziol - * Tuesday, December 1, 2009 + * Friday, December 25, 2015 * *------------------------------------------------------------------------- */ -static void * -H5B2__test_crt_dbg_context(H5F_t *f, hid_t H5_ATTR_UNUSED dxpl_id, haddr_t H5_ATTR_UNUSED addr) +static herr_t +H5B2__test2_store(void *nrecord, const void *udata) { - H5B2_test_ctx_t *ctx; /* Callback context structure */ - void *ret_value = NULL; /* Return value */ + FUNC_ENTER_STATIC_NOERR - FUNC_ENTER_STATIC + *(H5B2_test_rec_t *)nrecord = *(const H5B2_test_rec_t *)udata; + + FUNC_LEAVE_NOAPI(SUCCEED) +} /* H5B2__test2_store() */ + + +/*------------------------------------------------------------------------- + * Function: H5B2__test2_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 + * Friday, December 25, 2015 + * + *------------------------------------------------------------------------- + */ +static herr_t +H5B2__test2_compare(const void *rec1, const void *rec2) +{ + FUNC_ENTER_STATIC_NOERR + + FUNC_LEAVE_NOAPI((herr_t)(((const H5B2_test_rec_t *)rec1)->key - ((const H5B2_test_rec_t *)rec2)->key)) +} /* H5B2__test2_compare() */ + + +/*------------------------------------------------------------------------- + * Function: H5B2__test2_encode + * + * Purpose: Encode native information into raw form for storing on disk + * + * Return: Success: non-negative + * Failure: negative + * + * Programmer: Quincey Koziol + * Friday, December 25, 2015 + * + *------------------------------------------------------------------------- + */ +static herr_t +H5B2__test2_encode(uint8_t *raw, const void *nrecord, void *_ctx) +{ + H5B2_test_ctx_t *ctx = (H5B2_test_ctx_t *)_ctx; /* Callback context structure */ + + FUNC_ENTER_STATIC_NOERR /* Sanity check */ - HDassert(f); + HDassert(ctx); - /* Allocate callback context */ - if(NULL == (ctx = H5FL_MALLOC(H5B2_test_ctx_t))) - HGOTO_ERROR(H5E_BTREE, H5E_CANTALLOC, NULL, "can't allocate callback context") + H5F_ENCODE_LENGTH_LEN(raw, ((const H5B2_test_rec_t *)nrecord)->key, ctx->sizeof_size); + H5F_ENCODE_LENGTH_LEN(raw, ((const H5B2_test_rec_t *)nrecord)->val, ctx->sizeof_size); - /* Determine the size of addresses & lengths in the file */ - ctx->sizeof_size = H5F_SIZEOF_SIZE(f); + FUNC_LEAVE_NOAPI(SUCCEED) +} /* H5B2__test2_encode() */ - /* Set return value */ - ret_value = ctx; + +/*------------------------------------------------------------------------- + * Function: H5B2__test2_decode + * + * Purpose: Decode raw disk form of record into native form + * + * Return: Success: non-negative + * Failure: negative + * + * Programmer: Quincey Koziol + * Friday, December 25, 2015 + * + *------------------------------------------------------------------------- + */ +static herr_t +H5B2__test2_decode(const uint8_t *raw, void *nrecord, void *_ctx) +{ + H5B2_test_ctx_t *ctx = (H5B2_test_ctx_t *)_ctx; /* Callback context structure */ -done: - FUNC_LEAVE_NOAPI(ret_value) -} /* H5B2__test_crt_dbg_context() */ + FUNC_ENTER_STATIC_NOERR + + /* Sanity check */ + HDassert(ctx); + + H5F_DECODE_LENGTH_LEN(raw, ((H5B2_test_rec_t *)nrecord)->key, ctx->sizeof_size); + H5F_DECODE_LENGTH_LEN(raw, ((H5B2_test_rec_t *)nrecord)->val, ctx->sizeof_size); + + FUNC_LEAVE_NOAPI(SUCCEED) +} /* H5B2__test2_decode() */ + + +/*------------------------------------------------------------------------- + * Function: H5B2__test2_debug + * + * Purpose: Debug native form of record + * + * Return: Success: non-negative + * Failure: negative + * + * Programmer: Quincey Koziol + * Friday, December 25, 2015 + * + *------------------------------------------------------------------------- + */ +static herr_t +H5B2__test2_debug(FILE *stream, int indent, int fwidth, const void *record, + const void H5_ATTR_UNUSED *_udata) +{ + FUNC_ENTER_STATIC_NOERR + + HDassert(record); + + HDfprintf(stream, "%*s%-*s (%Hu, %Hu)\n", indent, "", fwidth, "Record:", + ((const H5B2_test_rec_t *)record)->key, + ((const H5B2_test_rec_t *)record)->val); + + FUNC_LEAVE_NOAPI(SUCCEED) +} /* H5B2__test2_debug() */ /*------------------------------------------------------------------------- |