diff options
Diffstat (limited to 'src/H5CX.c')
| -rw-r--r-- | src/H5CX.c | 167 |
1 files changed, 163 insertions, 4 deletions
@@ -189,6 +189,10 @@ typedef struct H5CX_t { hid_t dcpl_id; /* DCPL ID for API operation */ H5P_genplist_t *dcpl; /* Dataset Creation Property List */ + /* DAPL */ + hid_t dapl_id; /* DAPL ID for API operation */ + H5P_genplist_t *dapl; /* Dataset Access Property List */ + /* FAPL */ hid_t fapl_id; /* FAPL ID for API operation */ H5P_genplist_t *fapl; /* File Access Property List */ @@ -279,8 +283,14 @@ typedef struct H5CX_t { hbool_t nlinks_valid; /* Whether number of soft / UD links to traverse is valid */ /* Cached DCPL properties */ - hbool_t do_min_dset_ohdr; /* Whether to minimize dataset object header */ - hbool_t do_min_dset_ohdr_valid; /* Whether minimize dataset object header flag is valid */ + hbool_t do_min_dset_ohdr; /* Whether to minimize dataset object header */ + hbool_t do_min_dset_ohdr_valid; /* Whether minimize dataset object header flag is valid */ + + /* Cached DAPL properties */ + char *extfile_prefix; + hbool_t extfile_prefix_valid; + char *vds_prefix; + hbool_t vds_prefix_valid; /* Cached FAPL properties */ H5F_libver_t low_bound; /* low_bound property for H5Pset_libver_bounds() */ @@ -348,6 +358,13 @@ typedef struct H5CX_dcpl_cache_t { hbool_t do_min_dset_ohdr; /* Whether to minimize dataset object header */ } H5CX_dcpl_cache_t; +/* Typedef for cached default dataset access property list information */ +/* (Same as the cached DXPL struct, above, except for the default DXPL) */ +typedef struct H5CX_dapl_cache_t { + char *extfile_prefix; + char *vds_prefix; +} H5CX_dapl_cache_t; + /* Typedef for cached default file access property list information */ /* (Same as the cached DXPL struct, above, except for the default DCPL) */ typedef struct H5CX_fapl_cache_t { @@ -355,7 +372,6 @@ typedef struct H5CX_fapl_cache_t { H5F_libver_t high_bound; /* high_bound property for H5Pset_libver_bounds */ } H5CX_fapl_cache_t; - /********************/ /* Local Prototypes */ /********************/ @@ -391,6 +407,9 @@ static H5CX_lapl_cache_t H5CX_def_lapl_cache; /* Define a "default" dataset creation property list cache structure to use for default DCPLs */ static H5CX_dcpl_cache_t H5CX_def_dcpl_cache; +/* Define a "default" dataset access property list cache structure to use for default DAPLs */ +static H5CX_dapl_cache_t H5CX_def_dapl_cache; + /* Define a "default" file access property list cache structure to use for default FAPLs */ static H5CX_fapl_cache_t H5CX_def_fapl_cache; @@ -418,6 +437,7 @@ H5CX__init_package(void) H5P_genplist_t *dx_plist; /* Data transfer property list */ H5P_genplist_t *la_plist; /* Link access property list */ H5P_genplist_t *dc_plist; /* Dataset creation property list */ + H5P_genplist_t *da_plist; /* Dataset access property list */ H5P_genplist_t *fa_plist; /* File access property list */ herr_t ret_value = SUCCEED; /* Return value */ @@ -532,6 +552,23 @@ H5CX__init_package(void) if(H5P_get(dc_plist, H5D_CRT_MIN_DSET_HDR_SIZE_NAME, &H5CX_def_dcpl_cache.do_min_dset_ohdr) < 0) HGOTO_ERROR(H5E_CONTEXT, H5E_CANTGET, FAIL, "Can't retrieve dataset minimize flag") + /* Reset the "default DAPL cache" information */ + HDmemset(&H5CX_def_dapl_cache, 0, sizeof(H5CX_dapl_cache_t)); + + /* Get the default DAPL cache information */ + + /* Get the default dataset access property list */ + if(NULL == (da_plist = (H5P_genplist_t *)H5I_object(H5P_DATASET_ACCESS_DEFAULT))) + HGOTO_ERROR(H5E_CONTEXT, H5E_BADTYPE, FAIL, "not a dataset create property list") + + /* Get the prefix for the external file */ + if(H5P_peek(da_plist, H5D_ACS_EFILE_PREFIX_NAME, &H5CX_def_dapl_cache.extfile_prefix) < 0) + HGOTO_ERROR(H5E_CONTEXT, H5E_CANTGET, FAIL, "Can't retrieve prefix for external file") + + /* Get the prefix for the VDS file */ + if(H5P_peek(da_plist, H5D_ACS_VDS_PREFIX_NAME, &H5CX_def_dapl_cache.vds_prefix) < 0) + HGOTO_ERROR(H5E_CONTEXT, H5E_CANTGET, FAIL, "Can't retrieve prefix for VDS") + /* Reset the "default FAPL cache" information */ HDmemset(&H5CX_def_fapl_cache, 0, sizeof(H5CX_fapl_cache_t)); @@ -548,7 +585,6 @@ H5CX__init_package(void) if(H5P_get(fa_plist, H5F_ACS_LIBVER_HIGH_BOUND_NAME, &H5CX_def_fapl_cache.high_bound) < 0) HGOTO_ERROR(H5E_CONTEXT, H5E_CANTGET, FAIL, "Can't retrieve dataset minimize flag") - done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5CX__init_package() */ @@ -672,6 +708,8 @@ H5CX__push_common(H5CX_node_t *cnode) /* Set non-zero context info */ cnode->ctx.dxpl_id = H5P_DATASET_XFER_DEFAULT; + cnode->ctx.dcpl_id = H5P_DATASET_CREATE_DEFAULT; + cnode->ctx.dapl_id = H5P_DATASET_ACCESS_DEFAULT; cnode->ctx.lapl_id = H5P_LINK_ACCESS_DEFAULT; cnode->ctx.fapl_id = H5P_FILE_ACCESS_DEFAULT; cnode->ctx.tag = H5AC__INVALID_TAG; @@ -1158,6 +1196,7 @@ H5CX_set_apl(hid_t *acspl_id, const H5P_libclass_t *libclass, *acspl_id = *libclass->def_plist_id; else { htri_t is_lapl; /* Whether the access property list is (or is derived from) a link access property list */ + htri_t is_dapl; /* Whether the access property list is (or is derived from) a dataset access property list */ htri_t is_fapl; /* Whether the access property list is (or is derived from) a file access property list */ #ifdef H5CX_DEBUG @@ -1172,6 +1211,12 @@ H5CX_set_apl(hid_t *acspl_id, const H5P_libclass_t *libclass, else if(is_lapl) (*head)->ctx.lapl_id = *acspl_id; + /* Check for dataset access property and set API context if so */ + if((is_dapl = H5P_class_isa(*libclass->pclass, *H5P_CLS_DACC->pclass)) < 0) + HGOTO_ERROR(H5E_CONTEXT, H5E_CANTGET, FAIL, "can't check for dataset access class") + else if(is_dapl) + (*head)->ctx.dapl_id = *acspl_id; + /* Check for file access property and set API context if so */ if((is_fapl = H5P_class_isa(*libclass->pclass, *H5P_CLS_FACC->pclass)) < 0) HGOTO_ERROR(H5E_CONTEXT, H5E_CANTGET, FAIL, "can't check for file access class") @@ -2443,6 +2488,120 @@ done: /*------------------------------------------------------------------------- + * Function: H5CX_get_ext_file_prefix + * + * Purpose: Retrieves the prefix for external file + * + * Return: Non-negative on success / Negative on failure + * + * Programmer: Raymond Lu + * March 6, 2019 + * + *------------------------------------------------------------------------- + */ +herr_t +H5CX_get_ext_file_prefix(char **extfile_prefix) +{ + H5CX_node_t **head = H5CX_get_my_context(); /* Get the pointer to the head of the API context, for this thread */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI(FAIL) + + /* Sanity check */ + HDassert(extfile_prefix); + HDassert(head && *head); + HDassert(H5P_DEFAULT != (*head)->ctx.dapl_id); + + /* Check if the value has been retrieved already */ + if(!(*head)->ctx.extfile_prefix_valid) { + /* Check for default DAPL */ + if((*head)->ctx.dapl_id == H5P_DATASET_ACCESS_DEFAULT) + (*head)->ctx.extfile_prefix = H5CX_def_dapl_cache.extfile_prefix; + else { + /* Check if the property list is already available */ + if(NULL == (*head)->ctx.dapl) + /* Get the dataset access property list pointer */ + if(NULL == ((*head)->ctx.dapl = (H5P_genplist_t *)H5I_object((*head)->ctx.dapl_id))) + HGOTO_ERROR(H5E_CONTEXT, H5E_BADTYPE, FAIL, "can't get default dataset access property list") + + /* Get the prefix for the external file */ + /* (Note: 'peek', not 'get' - if this turns out to be a problem, we may need + * to copy it and free this in the H5CX pop routine. -QAK) + */ + if(H5P_peek((*head)->ctx.dapl, H5D_ACS_EFILE_PREFIX_NAME, &(*head)->ctx.extfile_prefix) < 0) + HGOTO_ERROR(H5E_CONTEXT, H5E_CANTGET, FAIL, "Can't retrieve external file prefix") + } /* end else */ + + /* Mark the value as valid */ + (*head)->ctx.extfile_prefix_valid = TRUE; + } /* end if */ + + /* Get the value */ + *extfile_prefix = (*head)->ctx.extfile_prefix; + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5CX_get_ext_file_prefix() */ + + +/*------------------------------------------------------------------------- + * Function: H5CX_get_vds_prefix + * + * Purpose: Retrieves the prefix for VDS + * + * Return: Non-negative on success / Negative on failure + * + * Programmer: Raymond Lu + * March 6, 2019 + * + *------------------------------------------------------------------------- + */ +herr_t +H5CX_get_vds_prefix(char **vds_prefix) +{ + H5CX_node_t **head = H5CX_get_my_context(); /* Get the pointer to the head of the API context, for this thread */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI(FAIL) + + /* Sanity check */ + HDassert(vds_prefix); + HDassert(head && *head); + HDassert(H5P_DEFAULT != (*head)->ctx.dapl_id); + + /* Check if the value has been retrieved already */ + if(!(*head)->ctx.vds_prefix_valid) { + /* Check for default DAPL */ + if((*head)->ctx.dapl_id == H5P_DATASET_ACCESS_DEFAULT) + (*head)->ctx.vds_prefix = H5CX_def_dapl_cache.vds_prefix; + else { + /* Check if the property list is already available */ + if(NULL == (*head)->ctx.dapl) + /* Get the dataset access property list pointer */ + if(NULL == ((*head)->ctx.dapl = (H5P_genplist_t *)H5I_object((*head)->ctx.dapl_id))) + HGOTO_ERROR(H5E_CONTEXT, H5E_BADTYPE, FAIL, "can't get default dataset access property list") + + /* Get the prefix for the VDS */ + /* (Note: 'peek', not 'get' - if this turns out to be a problem, we may need + * to copy it and free this in the H5CX pop routine. -QAK) + */ + if(H5P_peek((*head)->ctx.dapl, H5D_ACS_VDS_PREFIX_NAME, &(*head)->ctx.vds_prefix) < 0) + HGOTO_ERROR(H5E_CONTEXT, H5E_CANTGET, FAIL, "Can't retrieve VDS prefix") + } /* end else */ + + /* Mark the value as valid */ + (*head)->ctx.vds_prefix_valid = TRUE; + } /* end if */ + + /* Get the value */ + *vds_prefix = (*head)->ctx.vds_prefix; + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5CX_get_vds_prefix() */ + + +/*------------------------------------------------------------------------- * Function: H5CX_set_tag * * Purpose: Sets the object tag for the current API call context. |