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-rw-r--r--src/H5Tref.c99
1 files changed, 69 insertions, 30 deletions
diff --git a/src/H5Tref.c b/src/H5Tref.c
index 2e52954..18dd62d 100644
--- a/src/H5Tref.c
+++ b/src/H5Tref.c
@@ -280,10 +280,12 @@ static size_t
H5T__ref_mem_getsize(H5VL_object_t H5_ATTR_UNUSED *src_file, const void *src_buf,
size_t H5_ATTR_UNUSED src_size, H5VL_object_t *dst_file, hbool_t *dst_copy)
{
- H5F_t *src_f;
- H5F_t *dst_f;
H5VL_object_t *vol_obj = NULL;
const H5R_ref_priv_t *src_ref = (const H5R_ref_priv_t *)src_buf;
+ hbool_t files_equal = FALSE;
+ char file_name_buf_static[256];
+ char *file_name_buf_dyn = NULL;
+ ssize_t file_name_len;
unsigned flags = 0;
size_t ret_value = 0;
@@ -296,27 +298,43 @@ H5T__ref_mem_getsize(H5VL_object_t H5_ATTR_UNUSED *src_file, const void *src_buf
if(NULL == (vol_obj = H5VL_vol_object(src_ref->loc_id)))
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, 0, "invalid location identifier")
- /* We should assert here that the terminal connector is H5VL_NATIVE once
- * there is a facility to do so -NAF 2019/10/30 */
-
- /* Retrieve files from VOL objects */
- if(NULL == (src_f = (H5F_t *)H5VL_object_data(vol_obj)))
- HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, 0, "invalid VOL object")
- if(NULL == (dst_f = (H5F_t *)H5VL_object_data(dst_file)))
- HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, 0, "invalid VOL object")
-
/* Set external flag if referenced file is not destination file */
- flags |= (src_f->shared != dst_f->shared) ? H5R_IS_EXTERNAL : 0;
+ if(H5VL_file_specific(vol_obj, H5VL_FILE_IS_EQUAL, H5P_DATASET_XFER_DEFAULT, NULL, dst_file, &files_equal) < 0)
+ HGOTO_ERROR(H5E_REFERENCE, H5E_CANTCOMPARE, 0, "can't check if files are equal")
+ flags |= files_equal ? H5R_IS_EXTERNAL : 0;
/* Force re-calculating encoding size if any flags are set */
if(flags || !src_ref->encode_size) {
/* Pass the correct encoding version for the selection depending on the
* file libver bounds, this is later retrieved in H5S hyper encode */
- if(src_ref->type == (int8_t)H5R_DATASET_REGION2)
- H5CX_set_libver_bounds(dst_f);
+ if(src_ref->type == (int8_t)H5R_DATASET_REGION2) {
+ /* Temporary hack to check if this is the native connector. We need to
+ * add a way to check if the terminal connector is native. For now this
+ * will break passthroughs, but it's needed for other VOL connectors to
+ * work. -NAF */
+ if(dst_file->connector->cls->value == H5VL_NATIVE_VALUE) {
+ H5F_t *dst_f;
+
+ if(NULL == (dst_f = (H5F_t *)H5VL_object_data(dst_file)))
+ HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, 0, "invalid VOL object")
+ H5CX_set_libver_bounds(dst_f);
+ } /* end if */
+ else
+ H5CX_set_libver_bounds(NULL);
+ } /* end if */
+
+ /* Get file name */
+ if(H5VL_file_get(vol_obj, H5VL_FILE_GET_NAME, H5P_DATASET_XFER_DEFAULT, NULL, sizeof(file_name_buf_static), file_name_buf_static, &file_name_len) < 0)
+ HGOTO_ERROR(H5E_REFERENCE, H5E_CANTGET, 0, "can't get file name")
+ if(file_name_len >= (ssize_t)sizeof(file_name_buf_static)) {
+ if(NULL == (file_name_buf_dyn = (char *)H5MM_malloc((size_t)file_name_len + 1)))
+ HGOTO_ERROR(H5E_RESOURCE, H5E_CANTALLOC, 0, "can't allocate space for file name")
+ if(H5VL_file_get(vol_obj, H5VL_FILE_GET_NAME, H5P_DATASET_XFER_DEFAULT, NULL, (size_t)file_name_len + 1, file_name_buf_dyn, &file_name_len) < 0)
+ HGOTO_ERROR(H5E_REFERENCE, H5E_CANTGET, 0, "can't get file name")
+ } /* end if */
/* Determine encoding size */
- if(H5R__encode(H5F_ACTUAL_NAME(src_f), src_ref, NULL, &ret_value, flags) < 0)
+ if(H5R__encode(file_name_buf_dyn ? file_name_buf_dyn : file_name_buf_static, src_ref, NULL, &ret_value, flags) < 0)
HGOTO_ERROR(H5E_REFERENCE, H5E_CANTENCODE, 0, "unable to determine encoding size")
} else {
/* Can do a direct copy and skip blob decoding */
@@ -328,6 +346,8 @@ H5T__ref_mem_getsize(H5VL_object_t H5_ATTR_UNUSED *src_file, const void *src_buf
}
done:
+ H5MM_xfree(file_name_buf_dyn);
+
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5T__ref_mem_getsize() */
@@ -346,10 +366,12 @@ H5T__ref_mem_read(H5VL_object_t H5_ATTR_UNUSED *src_file, const void *src_buf,
size_t H5_ATTR_UNUSED src_size, H5VL_object_t *dst_file, void *dst_buf,
size_t dst_size)
{
- H5F_t *src_f;
- H5F_t *dst_f;
H5VL_object_t *vol_obj = NULL;
const H5R_ref_priv_t *src_ref = (const H5R_ref_priv_t *)src_buf;
+ hbool_t files_equal = FALSE;
+ char file_name_buf_static[256];
+ char *file_name_buf_dyn = NULL;
+ ssize_t file_name_len;
unsigned flags = 0;
herr_t ret_value = SUCCEED;
@@ -365,25 +387,41 @@ H5T__ref_mem_read(H5VL_object_t H5_ATTR_UNUSED *src_file, const void *src_buf,
if(NULL == (vol_obj = H5VL_vol_object(src_ref->loc_id)))
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, 0, "invalid location identifier")
- /* We should assert here that the terminal connector is H5VL_NATIVE once
- * there is a facility to do so -NAF 2019/10/30 */
-
- /* Retrieve files from VOL objects */
- if(NULL == (src_f = (H5F_t *)H5VL_object_data(vol_obj)))
- HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, 0, "invalid VOL object")
- if(NULL == (dst_f = (H5F_t *)H5VL_object_data(dst_file)))
- HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, 0, "invalid VOL object")
-
/* Set external flag if referenced file is not destination file */
- flags |= (src_f->shared != dst_f->shared) ? H5R_IS_EXTERNAL : 0;
+ if(H5VL_file_specific(vol_obj, H5VL_FILE_IS_EQUAL, H5P_DATASET_XFER_DEFAULT, NULL, dst_file, &files_equal) < 0)
+ HGOTO_ERROR(H5E_REFERENCE, H5E_CANTCOMPARE, FAIL, "can't check if files are equal")
+ flags |= files_equal ? H5R_IS_EXTERNAL : 0;
/* Pass the correct encoding version for the selection depending on the
* file libver bounds, this is later retrieved in H5S hyper encode */
- if(src_ref->type == (int8_t)H5R_DATASET_REGION2)
- H5CX_set_libver_bounds(dst_f);
+ if(src_ref->type == (int8_t)H5R_DATASET_REGION2) {
+ /* Temporary hack to check if this is the native connector. We need to
+ * add a way to check if the terminal connector is native. For now this
+ * will break passthroughs, but it's needed for other VOL connectors to
+ * work. -NAF */
+ if(dst_file->connector->cls->value == H5VL_NATIVE_VALUE) {
+ H5F_t *dst_f;
+
+ if(NULL == (dst_f = (H5F_t *)H5VL_object_data(dst_file)))
+ HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, 0, "invalid VOL object")
+ H5CX_set_libver_bounds(dst_f);
+ } /* end if */
+ else
+ H5CX_set_libver_bounds(NULL);
+ } /* end if */
+
+ /* Get file name */
+ if(H5VL_file_get(vol_obj, H5VL_FILE_GET_NAME, H5P_DATASET_XFER_DEFAULT, NULL, sizeof(file_name_buf_static), file_name_buf_static, &file_name_len) < 0)
+ HGOTO_ERROR(H5E_REFERENCE, H5E_CANTGET, 0, "can't get file name")
+ if(file_name_len >= (ssize_t)sizeof(file_name_buf_static)) {
+ if(NULL == (file_name_buf_dyn = (char *)H5MM_malloc((size_t)file_name_len + 1)))
+ HGOTO_ERROR(H5E_RESOURCE, H5E_CANTALLOC, 0, "can't allocate space for file name")
+ if(H5VL_file_get(vol_obj, H5VL_FILE_GET_NAME, H5P_DATASET_XFER_DEFAULT, NULL, (size_t)file_name_len + 1, file_name_buf_dyn, &file_name_len) < 0)
+ HGOTO_ERROR(H5E_REFERENCE, H5E_CANTGET, 0, "can't get file name")
+ } /* end if */
/* Encode reference */
- if(H5R__encode(H5F_ACTUAL_NAME(src_f), src_ref, (unsigned char *)dst_buf, &dst_size, flags) < 0)
+ if(H5R__encode(file_name_buf_dyn ? file_name_buf_dyn : file_name_buf_static, src_ref, (unsigned char *)dst_buf, &dst_size, flags) < 0)
HGOTO_ERROR(H5E_REFERENCE, H5E_CANTENCODE, FAIL, "Cannot encode reference")
done:
@@ -827,3 +865,4 @@ H5T_ref_reclaim(void *elem, const H5T_t *dt)
done:
FUNC_LEAVE_NOAPI(ret_value)
} /* end H5T_ref_reclaim() */
+
generated by cgit v0.12 at 2024-10-30 07:21:46 (GMT)