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-rw-r--r--src/H5Pfapl.c96
1 files changed, 96 insertions, 0 deletions
diff --git a/src/H5Pfapl.c b/src/H5Pfapl.c
index 15662cc..81cd260 100644
--- a/src/H5Pfapl.c
+++ b/src/H5Pfapl.c
@@ -178,6 +178,11 @@
#define H5F_ACS_CORE_WRITE_TRACKING_PAGE_SIZE_DEF 524288
#define H5F_ACS_CORE_WRITE_TRACKING_PAGE_SIZE_ENC H5P__encode_size_t
#define H5F_ACS_CORE_WRITE_TRACKING_PAGE_SIZE_DEC H5P__decode_size_t
+/* Definition for # of metadata read attempts */
+#define H5F_ACS_METADATA_READ_ATTEMPTS_SIZE sizeof(unsigned)
+#define H5F_ACS_METADATA_READ_ATTEMPTS_DEF 0
+#define H5F_ACS_METADATA_READ_ATTEMPTS_ENC H5P__encode_unsigned
+#define H5F_ACS_METADATA_READ_ATTEMPTS_DEC H5P__decode_unsigned
/* Definition for object flush callback */
#define H5F_ACS_OBJECT_FLUSH_CB_SIZE sizeof(H5F_object_flush_t)
#define H5F_ACS_OBJECT_FLUSH_CB_DEF {NULL, NULL}
@@ -327,6 +332,7 @@ static const unsigned H5F_def_efc_size_g = H5F_ACS_EFC_SIZE_DEF;
static const H5FD_file_image_info_t H5F_def_file_image_info_g = H5F_ACS_FILE_IMAGE_INFO_DEF; /* Default file image info and callbacks */
static const hbool_t H5F_def_core_write_tracking_flag_g = H5F_ACS_CORE_WRITE_TRACKING_FLAG_DEF; /* Default setting for core VFD write tracking */
static const size_t H5F_def_core_write_tracking_page_size_g = H5F_ACS_CORE_WRITE_TRACKING_PAGE_SIZE_DEF; /* Default core VFD write tracking page size */
+static const unsigned H5F_def_metadata_read_attempts_g = H5F_ACS_METADATA_READ_ATTEMPTS_DEF; /* Default setting for the # of metadata read attempts */
static const H5F_object_flush_t H5F_def_object_flush_cb_g = H5F_ACS_OBJECT_FLUSH_CB_DEF; /* Default setting for object flush callback */
static const hbool_t H5F_def_use_mdc_logging_g = H5F_ACS_USE_MDC_LOGGING_DEF; /* Default metadata cache logging flag */
static const char *H5F_def_mdc_log_location_g = H5F_ACS_MDC_LOG_LOCATION_DEF; /* Default mdc log location */
@@ -492,6 +498,12 @@ H5P__facc_reg_prop(H5P_genclass_t *pclass)
NULL, NULL, NULL, NULL) < 0)
HGOTO_ERROR(H5E_PLIST, H5E_CANTINSERT, FAIL, "can't insert property into class")
+ /* Register the # of read attempts */
+ if(H5P_register_real(pclass, H5F_ACS_METADATA_READ_ATTEMPTS_NAME, H5F_ACS_METADATA_READ_ATTEMPTS_SIZE, &H5F_def_metadata_read_attempts_g,
+ NULL, NULL, NULL, H5F_ACS_METADATA_READ_ATTEMPTS_ENC, H5F_ACS_METADATA_READ_ATTEMPTS_DEC,
+ NULL, NULL, NULL, NULL) < 0)
+ HGOTO_ERROR(H5E_PLIST, H5E_CANTINSERT, FAIL, "can't insert property into class")
+
/* Register object flush callback */
/* (Note: this property should not have an encode/decode callback -QAK) */
if(H5P_register_real(pclass, H5F_ACS_OBJECT_FLUSH_CB_NAME, H5F_ACS_OBJECT_FLUSH_CB_SIZE, &H5F_def_object_flush_cb_g,
@@ -3570,6 +3582,90 @@ done:
/*-------------------------------------------------------------------------
+ * Function: H5Pset_metadata_read_attempts
+ *
+ * Purpose: Sets the # of read attempts in the file access property list
+ * when reading metadata with checksum.
+ * The # of read attempts set via this routine will only apply
+ * when opening a file with SWMR access.
+ * The # of read attempts set via this routine does not have
+ * any effect when opening a file with non-SWMR access; for this
+ * case, the # of read attempts will be always be 1.
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Vailin Choi; Sept 2013
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5Pset_metadata_read_attempts(hid_t plist_id, unsigned attempts)
+{
+ H5P_genplist_t *plist; /* Property list pointer */
+ herr_t ret_value = SUCCEED; /* return value */
+
+ FUNC_ENTER_API(FAIL)
+ H5TRACE2("e", "iIu", plist_id, attempts);
+
+ /* Cannot set the # of attempts to 0 */
+ if(attempts == 0)
+ HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "number of metadatata read attempts must be greater than 0");
+
+ /* Get the plist structure */
+ if(NULL == (plist = H5P_object_verify(plist_id, H5P_FILE_ACCESS)))
+ HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID")
+
+ /* Set values */
+ if(H5P_set(plist, H5F_ACS_METADATA_READ_ATTEMPTS_NAME, &attempts) < 0)
+ HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set # of metadata read attempts")
+
+done:
+ FUNC_LEAVE_API(ret_value)
+} /* H5Pset_metadata_read_attempts() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5Pget_metadata_read_attempts
+ *
+ * Purpose: Returns the # of metadata read attempts set in the file access property list.
+ *
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Vailin Choi; Sept 2013
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5Pget_metadata_read_attempts(hid_t plist_id, unsigned *attempts/*out*/)
+{
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_API(FAIL)
+ H5TRACE2("e", "ix", plist_id, attempts);
+
+ /* Get values */
+ if(attempts) {
+ H5P_genplist_t *plist; /* Property list pointer */
+
+ /* Get the plist structure */
+ if(NULL == (plist = H5P_object_verify(plist_id, H5P_FILE_ACCESS)))
+ HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID")
+
+ /* Get the # of read attempts set */
+ if(H5P_get(plist, H5F_ACS_METADATA_READ_ATTEMPTS_NAME, attempts) < 0)
+ HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get the number of metadata read attempts")
+
+ /* If not set, return the default value */
+ if(*attempts == H5F_ACS_METADATA_READ_ATTEMPTS_DEF) /* 0 */
+ *attempts = H5F_METADATA_READ_ATTEMPTS;
+ } /* end if */
+
+done:
+ FUNC_LEAVE_API(ret_value)
+} /* end H5Pget_metadata_read_attempts() */
+
+
+/*-------------------------------------------------------------------------
* Function: H5Pset_obj_flush_cb
*
* Purpose: Sets the callback function to invoke and the user data when an