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-rw-r--r--src/H5VLconnector.h55
1 files changed, 35 insertions, 20 deletions
diff --git a/src/H5VLconnector.h b/src/H5VLconnector.h
index 1221d88..5ab1402 100644
--- a/src/H5VLconnector.h
+++ b/src/H5VLconnector.h
@@ -37,6 +37,9 @@
#define H5VL_CAP_FLAG_NONE 0 /* No special connector capabilities */
#define H5VL_CAP_FLAG_THREADSAFE 0x01 /* Connector is threadsafe */
+/* Container info version */
+#define H5VL_CONTAINER_INFO_VERSION 0x01 /* Container info struct version */
+
/* The maximum size allowed for blobs */
#define H5VL_MAX_BLOB_ID_SIZE (16) /* Allow for 128-bits blob IDs */
@@ -94,10 +97,11 @@ typedef enum H5VL_datatype_specific_t {
/* types for file GET callback */
typedef enum H5VL_file_get_t {
+ H5VL_FILE_GET_CONT_INFO, /* file get container info */
H5VL_FILE_GET_FAPL, /* file access property list */
H5VL_FILE_GET_FCPL, /* file creation property list */
- H5VL_FILE_GET_INTENT, /* file intent */
H5VL_FILE_GET_FILENO, /* file number */
+ H5VL_FILE_GET_INTENT, /* file intent */
H5VL_FILE_GET_NAME, /* file name */
H5VL_FILE_GET_OBJ_COUNT, /* object count in file */
H5VL_FILE_GET_OBJ_IDS /* object ids in file */
@@ -179,56 +183,67 @@ typedef enum H5VL_blob_specific_t {
H5VL_BLOB_SETNULL /* Set a blob ID to the connector's "null" blob ID value */
} H5VL_blob_specific_t;
-/* types for different ways that objects are located in an HDF5 container */
+/* Types for different ways that objects are located in an HDF5 container */
typedef enum H5VL_loc_type_t {
H5VL_OBJECT_BY_SELF,
H5VL_OBJECT_BY_NAME,
H5VL_OBJECT_BY_IDX,
- H5VL_OBJECT_BY_ADDR,
- H5VL_OBJECT_BY_REF
+ H5VL_OBJECT_BY_REF,
+ H5VL_OBJECT_BY_TOKEN
} H5VL_loc_type_t;
-struct H5VL_loc_by_name {
+typedef struct H5VL_loc_by_name {
const char *name;
hid_t lapl_id;
-};
+} H5VL_loc_by_name_t;
-struct H5VL_loc_by_idx {
+typedef struct H5VL_loc_by_idx {
const char *name;
H5_index_t idx_type;
H5_iter_order_t order;
hsize_t n;
hid_t lapl_id;
-};
-
-struct H5VL_loc_by_addr {
- haddr_t addr;
-};
+} H5VL_loc_by_idx_t;
-struct H5VL_loc_by_ref {
+typedef struct H5VL_loc_by_ref {
H5R_type_t ref_type;
const void *_ref;
hid_t lapl_id;
-};
+} H5VL_loc_by_ref_t;
+
+typedef struct H5VL_loc_by_token {
+ void *token;
+} H5VL_loc_by_token_t;
/* Structure to hold parameters for object locations.
- * either: BY_ADDR, BY_ID, BY_NAME, BY_IDX, BY_REF
+ * Either: BY_SELF, BY_NAME, BY_IDX, BY_REF, BY_TOKEN
*
- * Note: Leave loc_by_addr as the first union member so we
+ * Note: Leave loc_by_token as the first union member so we
* can perform the simplest initialization of the struct
* without raising warnings.
+ *
+ * Note: BY_SELF requires no union members.
*/
typedef struct H5VL_loc_params_t {
H5I_type_t obj_type;
H5VL_loc_type_t type;
union{
- struct H5VL_loc_by_addr loc_by_addr;
- struct H5VL_loc_by_name loc_by_name;
- struct H5VL_loc_by_idx loc_by_idx;
- struct H5VL_loc_by_ref loc_by_ref;
+ H5VL_loc_by_token_t loc_by_token;
+ H5VL_loc_by_name_t loc_by_name;
+ H5VL_loc_by_idx_t loc_by_idx;
+ H5VL_loc_by_ref_t loc_by_ref;
} loc_data;
} H5VL_loc_params_t;
+/* Info for H5VL_FILE_GET_CONT_INFO */
+typedef struct H5VL_file_cont_info_t {
+ unsigned version; /* version information (keep first) */
+ uint64_t feature_flags; /* Container feature flags */
+ /* (none currently defined) */
+ size_t token_size; /* Size of tokens */
+ size_t blob_id_size; /* Size of blob IDs */
+} H5VL_file_cont_info_t;
+
/* VOL connector info fields & callbacks */
typedef struct H5VL_info_class_t {
size_t size; /* Size of the VOL info */