diff options
Diffstat (limited to 'src/H5Pfapl.c')
| -rw-r--r-- | src/H5Pfapl.c | 96 |
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 |