diff options
Diffstat (limited to 'src/H5Dint.c')
| -rw-r--r-- | src/H5Dint.c | 78 |
1 files changed, 54 insertions, 24 deletions
diff --git a/src/H5Dint.c b/src/H5Dint.c index b6c0341..bfe1497 100644 --- a/src/H5Dint.c +++ b/src/H5Dint.c @@ -61,8 +61,8 @@ static herr_t H5D__cache_dataspace_info(const H5D_t *dset); static herr_t H5D__init_space(H5F_t *file, const H5D_t *dset, const H5S_t *space); static herr_t H5D__update_oh_info(H5F_t *file, hid_t dxpl_id, H5D_t *dset, hid_t dapl_id); -static herr_t H5D_build_extfile_prefix(const H5D_t *dset, hid_t dapl_id, - char **extfile_prefix); +static herr_t H5D_build_file_prefix(const H5D_t *dset, hid_t dapl_id, const char * prefix_type, + char **file_prefix); static herr_t H5D__open_oid(H5D_t *dataset, hid_t dapl_id, hid_t dxpl_id); static herr_t H5D__init_storage(const H5D_io_info_t *io_info, hbool_t full_overwrite, hsize_t old_dim[]); @@ -963,24 +963,25 @@ done: } /* end H5D__update_oh_info() */ + /*-------------------------------------------------------------------------- - * Function: H5D_build_extfile_prefix + * Function: H5D_build_file_prefix * - * Purpose: Determine the external file prefix to be used and store - * it in extfile_prefix. Stores an empty string if no prefix + * Purpose: Determine the file prefix to be used and store + * it in file_prefix. Stores an empty string if no prefix * should be used. * * Return: SUCCEED/FAIL *-------------------------------------------------------------------------- */ static herr_t -H5D_build_extfile_prefix(const H5D_t *dset, hid_t dapl_id, char **extfile_prefix /*out*/) +H5D_build_file_prefix(const H5D_t *dset, hid_t dapl_id, const char *prefix_type, char **file_prefix /*out*/) { char *prefix = NULL; /* prefix used to look for the file */ - char *extpath = NULL; /* absolute path of directory the HDF5 file is in */ - size_t extpath_len; /* length of extpath */ + char *filepath = NULL; /* absolute path of directory the HDF5 file is in */ + size_t filepath_len; /* length of file path */ size_t prefix_len; /* length of prefix */ - size_t extfile_prefix_len; /* length of expanded prefix */ + size_t file_prefix_len; /* length of expanded prefix */ H5P_genplist_t *plist = NULL; /* Property list pointer */ herr_t ret_value = SUCCEED; /* Return value */ @@ -990,20 +991,25 @@ H5D_build_extfile_prefix(const H5D_t *dset, hid_t dapl_id, char **extfile_prefix HDassert(dset); HDassert(dset->oloc.file); - extpath = H5F_EXTPATH(dset->oloc.file); - HDassert(extpath); + filepath = H5F_EXTPATH(dset->oloc.file); + HDassert(filepath); /* XXX: Future thread-safety note - getenv is not required * to be reentrant. */ - prefix = HDgetenv("HDF5_EXTFILE_PREFIX"); + if (HDstrcmp(prefix_type, H5D_ACS_VDS_PREFIX_NAME) == 0) + prefix = HDgetenv("HDF5_VDS_PREFIX"); + else if (HDstrcmp(prefix_type, H5D_ACS_EFILE_PREFIX_NAME) == 0) + prefix = HDgetenv("HDF5_EXTFILE_PREFIX"); + else + HGOTO_ERROR(H5E_PLIST, H5E_BADTYPE, FAIL, "prefix name is not sensible") if(prefix == NULL || *prefix == '\0') { - /* Set prefix to value of H5D_ACS_EFILE_PREFIX_NAME property */ + /* Set prefix to value of prefix_type property */ if(NULL == (plist = H5P_object_verify(dapl_id, H5P_DATASET_ACCESS))) HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID") - if(H5P_peek(plist, H5D_ACS_EFILE_PREFIX_NAME, &prefix) < 0) - HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get external file prefix") + if(H5P_peek(plist, prefix_type, &prefix) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get file prefix") } /* end if */ /* Prefix has to be checked for NULL / empty string again because the @@ -1013,29 +1019,29 @@ H5D_build_extfile_prefix(const H5D_t *dset, hid_t dapl_id, char **extfile_prefix /* filename is interpreted as relative to the current directory, * does not need to be expanded */ - if(NULL == (*extfile_prefix = (char *)H5MM_strdup(""))) + if(NULL == (*file_prefix = (char *)H5MM_strdup(""))) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed") } /* end if */ else { if (HDstrncmp(prefix, "${ORIGIN}", HDstrlen("${ORIGIN}")) == 0) { /* Replace ${ORIGIN} at beginning of prefix by directory of HDF5 file */ - extpath_len = HDstrlen(extpath); + filepath_len = HDstrlen(filepath); prefix_len = HDstrlen(prefix); - extfile_prefix_len = extpath_len + prefix_len - HDstrlen("${ORIGIN}") + 1; + file_prefix_len = filepath_len + prefix_len - HDstrlen("${ORIGIN}") + 1; - if(NULL == (*extfile_prefix = (char *)H5MM_malloc(extfile_prefix_len))) + if(NULL == (*file_prefix = (char *)H5MM_malloc(file_prefix_len))) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "unable to allocate buffer") - HDsnprintf(*extfile_prefix, extfile_prefix_len, "%s%s", extpath, prefix + HDstrlen("${ORIGIN}")); + HDsnprintf(*file_prefix, file_prefix_len, "%s%s", filepath, prefix + HDstrlen("${ORIGIN}")); } /* end if */ else { - if(NULL == (*extfile_prefix = (char *)H5MM_strdup(prefix))) + if(NULL == (*file_prefix = (char *)H5MM_strdup(prefix))) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed") } /* end else */ } /* end else */ done: FUNC_LEAVE_NOAPI(ret_value) -} /* H5D_build_extfile_prefix() */ +} /* H5D_build_file_prefix() */ /*------------------------------------------------------------------------- @@ -1217,9 +1223,13 @@ H5D__create(H5F_t *file, hid_t type_id, const H5S_t *space, hid_t dcpl_id, HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, NULL, "unable to set up flush append property") /* Set the external file prefix */ - if(H5D_build_extfile_prefix(new_dset, dapl_id, &new_dset->shared->extfile_prefix) < 0) + if(H5D_build_file_prefix(new_dset, dapl_id, H5D_ACS_EFILE_PREFIX_NAME, &new_dset->shared->extfile_prefix) < 0) HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, NULL, "unable to initialize external file prefix") + /* Set the vds file prefix */ + if(H5D_build_file_prefix(new_dset, dapl_id, H5D_ACS_VDS_PREFIX_NAME, &new_dset->shared->vds_prefix) < 0) + HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, NULL, "unable to initialize vds prefix") + /* Add the dataset to the list of opened objects in the file */ if(H5FO_top_incr(new_dset->oloc.file, new_dset->oloc.addr) < 0) HGOTO_ERROR(H5E_DATASET, H5E_CANTINC, NULL, "can't incr object ref. count") @@ -1265,6 +1275,7 @@ done: if(new_dset->shared->dcpl_id != 0 && H5I_dec_ref(new_dset->shared->dcpl_id) < 0) HDONE_ERROR(H5E_DATASET, H5E_CANTDEC, NULL, "unable to decrement ref count on property list") new_dset->shared->extfile_prefix = (char *)H5MM_xfree(new_dset->shared->extfile_prefix); + new_dset->shared->vds_prefix = (char *)H5MM_xfree(new_dset->shared->vds_prefix); new_dset->shared = H5FL_FREE(H5D_shared_t, new_dset->shared); } /* end if */ new_dset->oloc.file = NULL; @@ -1351,6 +1362,7 @@ H5D_open(const H5G_loc_t *loc, hid_t dapl_id, hid_t dxpl_id) H5D_shared_t *shared_fo = NULL; H5D_t *dataset = NULL; char *extfile_prefix = NULL; /* Expanded external file prefix */ + char *vds_prefix = NULL; /* Expanded vds prefix */ H5D_t *ret_value = NULL; /* Return value */ FUNC_ENTER_NOAPI(NULL) @@ -1371,9 +1383,13 @@ H5D_open(const H5G_loc_t *loc, hid_t dapl_id, hid_t dxpl_id) HGOTO_ERROR(H5E_DATASET, H5E_CANTCOPY, NULL, "can't copy path") /* Get the external file prefix */ - if(H5D_build_extfile_prefix(dataset, dapl_id, &extfile_prefix) < 0) + if(H5D_build_file_prefix(dataset, dapl_id, H5D_ACS_EFILE_PREFIX_NAME, &extfile_prefix) < 0) HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, NULL, "unable to initialize external file prefix") + /* Get the vds prefix */ + if(H5D_build_file_prefix(dataset, dapl_id, H5D_ACS_VDS_PREFIX_NAME, &vds_prefix) < 0) + HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, NULL, "unable to initialize vds prefix") + /* Check if dataset was already open */ if(NULL == (shared_fo = (H5D_shared_t *)H5FO_opened(dataset->oloc.file, dataset->oloc.addr))) { /* Clear any errors from H5FO_opened() */ @@ -1399,6 +1415,11 @@ H5D_open(const H5G_loc_t *loc, hid_t dapl_id, hid_t dxpl_id) /* Prevent string from being freed during done: */ extfile_prefix = NULL; + /* Set the vds file prefix */ + dataset->shared->vds_prefix = vds_prefix; + /* Prevent string from being freed during done: */ + vds_prefix = NULL; + } /* end if */ else { /* Point to shared info */ @@ -1430,12 +1451,14 @@ H5D_open(const H5G_loc_t *loc, hid_t dapl_id, hid_t dxpl_id) done: extfile_prefix = (char *)H5MM_xfree(extfile_prefix); + vds_prefix = (char *)H5MM_xfree(vds_prefix); if(ret_value == NULL) { /* Free the location--casting away const*/ if(dataset) { if(shared_fo == NULL && dataset->shared) { /* Need to free shared fo */ dataset->shared->extfile_prefix = (char *)H5MM_xfree(dataset->shared->extfile_prefix); + dataset->shared->vds_prefix = (char *)H5MM_xfree(dataset->shared->vds_prefix); dataset->shared = H5FL_FREE(H5D_shared_t, dataset->shared); } @@ -1818,6 +1841,9 @@ H5D_close(H5D_t *dataset) /* Free the external file prefix */ dataset->shared->extfile_prefix = (char *)H5MM_xfree(dataset->shared->extfile_prefix); + /* Free the vds file prefix */ + dataset->shared->vds_prefix = (char *)H5MM_xfree(dataset->shared->vds_prefix); + /* Release layout, fill-value, efl & pipeline messages */ if(dataset->shared->dcpl_id != H5P_DATASET_CREATE_DEFAULT) free_failed |= (H5O_msg_reset(H5O_PLINE_ID, &dataset->shared->dcpl_cache.pline) < 0) || @@ -3360,6 +3386,10 @@ H5D_get_access_plist(H5D_t *dset) if(H5P_set(new_plist, H5D_ACS_VDS_PRINTF_GAP_NAME, &(dset->shared->layout.storage.u.virt.printf_gap)) < 0) HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set VDS printf gap") + /* Set the vds prefix option */ + if(H5P_set(new_plist, H5D_ACS_VDS_PREFIX_NAME, &(dset->shared->vds_prefix)) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set vds prefix") + /* Set the external file prefix option */ if(H5P_set(new_plist, H5D_ACS_EFILE_PREFIX_NAME, &(dset->shared->extfile_prefix)) < 0) HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set external file prefix") |