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-rw-r--r--src/H5B2test.c155
1 files changed, 142 insertions, 13 deletions
diff --git a/src/H5B2test.c b/src/H5B2test.c
index 863c886..72eb793 100644
--- a/src/H5B2test.c
+++ b/src/H5B2test.c
@@ -46,6 +46,11 @@
/* Local Typedefs */
/******************/
+/* v2 B-tree client callback context */
+typedef struct H5B2_test_ctx_t {
+ uint8_t sizeof_size; /* Size of file sizes */
+} H5B2_test_ctx_t;
+
/********************/
/* Package Typedefs */
@@ -56,14 +61,15 @@
/* Local Prototypes */
/********************/
+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);
static herr_t H5B2_test_compare(const void *rec1, const void *rec2);
-static herr_t H5B2_test_encode(const H5F_t *f, uint8_t *raw,
- const void *nrecord);
-static herr_t H5B2_test_decode(const H5F_t *f, const uint8_t *raw,
- void *nrecord);
+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, const H5F_t *f, hid_t dxpl_id,
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);
/*********************/
@@ -74,11 +80,15 @@ 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 */
sizeof(hsize_t), /* Size of native record */
+ H5B2_test_crt_context, /* Create client callback context */
+ H5B2_test_dst_context, /* Destroy client callback context */
H5B2_test_store, /* Record storage callback */
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_debug, /* Record debugging callback */
+ H5B2_test_crt_dbg_context, /* Create debugging context */
+ H5B2_test_dst_context /* Destroy debugging context */
}};
@@ -92,6 +102,79 @@ const H5B2_class_t H5B2_TEST[1]={{ /* B-tree class information */
/*******************/
+/* Declare a free list to manage the H5B2_test_ctx_t struct */
+H5FL_DEFINE_STATIC(H5B2_test_ctx_t);
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5B2_test_crt_context
+ *
+ * Purpose: Create client callback context
+ *
+ * Return: Success: non-NULL
+ * Failure: NULL
+ *
+ * Programmer: Quincey Koziol
+ * Thursday, November 26, 2009
+ *
+ *-------------------------------------------------------------------------
+ */
+static void *
+H5B2_test_crt_context(void *_f)
+{
+ H5F_t *f = (H5F_t *)_f; /* User data for building callback context */
+ H5B2_test_ctx_t *ctx; /* Callback context structure */
+ void *ret_value; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5B2_test_crt_context)
+
+ /* Sanity check */
+ HDassert(f);
+
+ /* Allocate callback context */
+ if(NULL == (ctx = H5FL_MALLOC(H5B2_test_ctx_t)))
+ HGOTO_ERROR(H5E_BTREE, H5E_CANTALLOC, NULL, "can't allocate callback context")
+
+ /* Determine the size of lengths in the file */
+ ctx->sizeof_size = H5F_SIZEOF_SIZE(f);
+
+ /* Set return value */
+ ret_value = ctx;
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5B2_test_crt_context() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5B2_test_dst_context
+ *
+ * Purpose: Destroy client callback context
+ *
+ * Return: Success: non-negative
+ * Failure: negative
+ *
+ * Programmer: Quincey Koziol
+ * Thursday, November 26, 2009
+ *
+ *-------------------------------------------------------------------------
+ */
+static herr_t
+H5B2_test_dst_context(void *_ctx)
+{
+ H5B2_test_ctx_t *ctx = (H5B2_test_ctx_t *)_ctx; /* Callback context structure */
+
+ FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5B2_test_dst_context)
+
+ /* Sanity check */
+ HDassert(ctx);
+
+ /* Release callback context */
+ ctx = H5FL_FREE(H5B2_test_ctx_t, ctx);
+
+ FUNC_LEAVE_NOAPI(SUCCEED)
+} /* H5B2_test_dst_context() */
+
/*-------------------------------------------------------------------------
* Function: H5B2_test_store
@@ -99,7 +182,6 @@ const H5B2_class_t H5B2_TEST[1]={{ /* B-tree class information */
* Purpose: Store native information into record for B-tree
*
* Return: Success: non-negative
- *
* Failure: negative
*
* Programmer: Quincey Koziol
@@ -147,7 +229,6 @@ H5B2_test_compare(const void *rec1, const void *rec2)
* Purpose: Encode native information into raw form for storing on disk
*
* Return: Success: non-negative
- *
* Failure: negative
*
* Programmer: Quincey Koziol
@@ -156,11 +237,16 @@ H5B2_test_compare(const void *rec1, const void *rec2)
*-------------------------------------------------------------------------
*/
static herr_t
-H5B2_test_encode(const H5F_t *f, uint8_t *raw, const void *nrecord)
+H5B2_test_encode(uint8_t *raw, const void *nrecord, void *_ctx)
{
+ H5B2_test_ctx_t *ctx = (H5B2_test_ctx_t *)_ctx; /* Callback context structure */
+
FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5B2_test_encode)
- H5F_ENCODE_LENGTH(f, raw, *(const hsize_t *)nrecord);
+ /* Sanity check */
+ HDassert(ctx);
+
+ H5F_ENCODE_LENGTH_LEN(raw, *(const hsize_t *)nrecord, ctx->sizeof_size);
FUNC_LEAVE_NOAPI(SUCCEED)
} /* H5B2_test_encode() */
@@ -172,7 +258,6 @@ H5B2_test_encode(const H5F_t *f, uint8_t *raw, const void *nrecord)
* Purpose: Decode raw disk form of record into native form
*
* Return: Success: non-negative
- *
* Failure: negative
*
* Programmer: Quincey Koziol
@@ -181,11 +266,16 @@ H5B2_test_encode(const H5F_t *f, uint8_t *raw, const void *nrecord)
*-------------------------------------------------------------------------
*/
static herr_t
-H5B2_test_decode(const H5F_t *f, const uint8_t *raw, void *nrecord)
+H5B2_test_decode(const uint8_t *raw, void *nrecord, void *_ctx)
{
+ H5B2_test_ctx_t *ctx = (H5B2_test_ctx_t *)_ctx; /* Callback context structure */
+
FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5B2_test_decode)
- H5F_DECODE_LENGTH(f, raw, *(hsize_t *)nrecord);
+ /* Sanity check */
+ HDassert(ctx);
+
+ H5F_DECODE_LENGTH_LEN(raw, *(hsize_t *)nrecord, ctx->sizeof_size);
FUNC_LEAVE_NOAPI(SUCCEED)
} /* H5B2_test_decode() */
@@ -197,7 +287,6 @@ H5B2_test_decode(const H5F_t *f, const uint8_t *raw, void *nrecord)
* Purpose: Debug native form of record
*
* Return: Success: non-negative
- *
* Failure: negative
*
* Programmer: Quincey Koziol
@@ -222,6 +311,46 @@ H5B2_test_debug(FILE *stream, const H5F_t UNUSED *f, hid_t UNUSED dxpl_id,
/*-------------------------------------------------------------------------
+ * Function: H5B2_test_crt_dbg_context
+ *
+ * Purpose: Create context for debugging callback
+ *
+ * Return: Success: non-NULL
+ * Failure: NULL
+ *
+ * Programmer: Quincey Koziol
+ * Tuesday, December 1, 2009
+ *
+ *-------------------------------------------------------------------------
+ */
+static void *
+H5B2_test_crt_dbg_context(H5F_t *f, hid_t UNUSED dxpl_id, haddr_t UNUSED addr)
+{
+ H5B2_test_ctx_t *ctx; /* Callback context structure */
+ void *ret_value; /* Return value */
+
+ FUNC_ENTER_NOAPI_NOINIT(H5B2_test_crt_dbg_context)
+
+ /* Sanity check */
+ HDassert(f);
+ HDassert(H5F_addr_defined(addr));
+
+ /* Allocate callback context */
+ if(NULL == (ctx = H5FL_MALLOC(H5B2_test_ctx_t)))
+ HGOTO_ERROR(H5E_BTREE, H5E_CANTALLOC, NULL, "can't allocate callback context")
+
+ /* Determine the size of addresses & lengths in the file */
+ ctx->sizeof_size = H5F_SIZEOF_SIZE(f);
+
+ /* Set return value */
+ ret_value = ctx;
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* H5B2_test_crt_dbg_context() */
+
+
+/*-------------------------------------------------------------------------
* Function: H5B2_get_root_addr_test
*
* Purpose: Retrieve the root node's address