diff options
Diffstat (limited to 'src/H5R.c')
| -rw-r--r-- | src/H5R.c | 85 |
1 files changed, 32 insertions, 53 deletions
@@ -29,19 +29,13 @@ #include "H5MMprivate.h" /* Memory management */ #include "H5Rpkg.h" /* References */ #include "H5Sprivate.h" /* Dataspaces */ +#include "H5VLprivate.h" /* VOL plugins */ /* Local macro definitions */ /* Number of reserved IDs in ID group */ #define H5R_RESERVED_ATOMS 0 -/* Static functions */ -static herr_t H5R_create(void *ref, H5G_loc_t *loc, const char *name, - H5R_type_t ref_type, H5S_t *space, hid_t dxpl_id); -static H5S_t * H5R_get_region(H5F_t *file, hid_t dxpl_id, const void *_ref); -static ssize_t H5R_get_name(H5F_t *file, hid_t lapl_id, hid_t dxpl_id, hid_t id, - H5R_type_t ref_type, const void *_ref, char *name, size_t size); - /*------------------------------------------------------------------------- * Function: H5R_init @@ -162,7 +156,7 @@ H5R_term_interface(void) EXAMPLES REVISION LOG --------------------------------------------------------------------------*/ -static herr_t +herr_t H5R_create(void *_ref, H5G_loc_t *loc, const char *name, H5R_type_t ref_type, H5S_t *space, hid_t dxpl_id) { H5G_loc_t obj_loc; /* Group hier. location of object */ @@ -306,8 +300,6 @@ done: herr_t H5Rcreate(void *ref, hid_t loc_id, const char *name, H5R_type_t ref_type, hid_t space_id) { - H5G_loc_t loc; /* File location */ - H5S_t *space = NULL; /* Pointer to dataspace containing region */ herr_t ret_value; /* Return value */ FUNC_ENTER_API(FAIL) @@ -316,8 +308,6 @@ H5Rcreate(void *ref, hid_t loc_id, const char *name, H5R_type_t ref_type, hid_t /* Check args */ if(ref == NULL) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid reference pointer") - if(H5G_loc(loc_id, &loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location") if(!name || !*name) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no name given") if(ref_type <= H5R_BADTYPE || ref_type >= H5R_MAXTYPE) @@ -326,12 +316,10 @@ H5Rcreate(void *ref, hid_t loc_id, const char *name, H5R_type_t ref_type, hid_t HGOTO_ERROR(H5E_ARGS, H5E_UNSUPPORTED, FAIL, "reference type not supported") if(space_id == (-1) && ref_type == H5R_DATASET_REGION) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "reference region dataspace id must be valid") - if(space_id != (-1) && (NULL == (space = (H5S_t *)H5I_object_verify(space_id, H5I_DATASPACE)))) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a dataspace") - /* Create reference */ - if((ret_value = H5R_create(ref, &loc, name, ref_type, space, H5AC_dxpl_id)) < 0) - HGOTO_ERROR(H5E_REFERENCE, H5E_CANTINIT, FAIL, "unable to create reference") + /* create the ref through the VOL */ + if(H5VL_object_generic(loc_id, H5VL_REF_CREATE, H5_REQUEST_NULL, ref, name, ref_type, space_id) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_LINKCOUNT, FAIL, "modifying object link count failed") done: FUNC_LEAVE_API(ret_value) @@ -523,31 +511,41 @@ done: hid_t H5Rdereference2(hid_t obj_id, hid_t oapl_id, H5R_type_t ref_type, const void *_ref) { - H5G_loc_t loc; /* Group location */ - H5F_t *file = NULL; /* File object */ + void *location = NULL; /* a pointer to VOL specific token that indicates + the location of the object */ hid_t ret_value; FUNC_ENTER_API(FAIL) H5TRACE4("i", "iiRt*x", obj_id, oapl_id, ref_type, _ref); /* Check args */ - if(H5G_loc(obj_id, &loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location") - if(oapl_id < 0) + if(oapl_id < 0) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a property list") if(ref_type <= H5R_BADTYPE || ref_type >= H5R_MAXTYPE) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid reference type") if(_ref == NULL) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid reference pointer") - /* Get the file pointer from the entry */ - file = loc.oloc->file; + /* Get the token for the Object location through the VOL */ + if(H5VL_object_lookup (obj_id, H5VL_OBJECT_LOOKUP_BY_REF, H5_REQUEST_NULL, &location, ref_type, _ref) < 0) + HGOTO_ERROR(H5E_SYM, H5E_CANTINIT, FAIL, "unable to locate object") + + /* Open the object through the VOL */ + if((ret_value = H5VL_object_open_by_loc(obj_id, location, oapl_id, H5_REQUEST_NULL)) < 0) + HGOTO_ERROR(H5E_SYM, H5E_CANTINIT, FAIL, "unable to open object") +#if 0 /* Create reference */ if((ret_value = H5R_dereference(file, oapl_id, H5AC_dxpl_id, ref_type, _ref, TRUE)) < 0) HGOTO_ERROR(H5E_REFERENCE, H5E_CANTINIT, FAIL, "unable to dereference object") +#endif done: + if (NULL != location) { + /* free the location token through the VOL */ + if(H5VL_object_free_loc (obj_id, location, H5_REQUEST_NULL) < 0) + HGOTO_ERROR(H5E_SYM, H5E_CANTRELEASE, FAIL, "unable to free location token") + } FUNC_LEAVE_API(ret_value) } /* end H5Rdereference2() */ @@ -573,7 +571,7 @@ done: EXAMPLES REVISION LOG --------------------------------------------------------------------------*/ -static H5S_t * +H5S_t * H5R_get_region(H5F_t *file, hid_t dxpl_id, const void *_ref) { H5O_loc_t oloc; /* Object location */ @@ -647,28 +645,20 @@ done: hid_t H5Rget_region(hid_t id, H5R_type_t ref_type, const void *ref) { - H5G_loc_t loc; /* Object's group location */ - H5S_t *space = NULL; /* Dataspace object */ hid_t ret_value; FUNC_ENTER_API(FAIL) H5TRACE3("i", "iRt*x", id, ref_type, ref); /* Check args */ - if(H5G_loc(id, &loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location") if(ref_type != H5R_DATASET_REGION) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid reference type") if(ref == NULL) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid reference pointer") - /* Get the dataspace with the correct region selected */ - if((space = H5R_get_region(loc.oloc->file, H5AC_ind_dxpl_id, ref)) == NULL) - HGOTO_ERROR(H5E_REFERENCE, H5E_CANTCREATE, FAIL, "unable to create dataspace") - - /* Atomize */ - if((ret_value = H5I_register (H5I_DATASPACE, space, TRUE)) < 0) - HGOTO_ERROR(H5E_ATOM, H5E_CANTREGISTER, FAIL, "unable to register dataspace atom") + /* Get the space id through the VOL */ + if(H5VL_object_get(id, H5VL_REF_GET_REGION, H5_REQUEST_NULL, &ret_value, ref_type, ref) < 0) + HGOTO_ERROR(H5E_INTERNAL, H5E_CANTGET, FAIL, "unable to get group info") done: FUNC_LEAVE_API(ret_value) @@ -788,23 +778,20 @@ herr_t H5Rget_obj_type2(hid_t id, H5R_type_t ref_type, const void *ref, H5O_type_t *obj_type) { - H5G_loc_t loc; /* Object location */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE4("e", "iRt*x*Ot", id, ref_type, ref, obj_type); /* Check args */ - if(H5G_loc(id, &loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location") if(ref_type <= H5R_BADTYPE || ref_type >= H5R_MAXTYPE) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid reference type") if(ref == NULL) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid reference pointer") - /* Get the object information */ - if(H5R_get_obj_type(loc.oloc->file, H5AC_ind_dxpl_id, ref_type, ref, obj_type) < 0) - HGOTO_ERROR(H5E_REFERENCE, H5E_CANTINIT, FAIL, "unable to determine object type") + /* get the object type through the VOL */ + if((ret_value = H5VL_object_get(id, H5VL_REF_GET_TYPE, H5_REQUEST_NULL, obj_type, ref_type, ref)) < 0) + HGOTO_ERROR(H5E_INTERNAL, H5E_CANTGET, FAIL, "unable to get group info") done: FUNC_LEAVE_API(ret_value) @@ -941,28 +928,20 @@ ssize_t H5Rget_name(hid_t id, H5R_type_t ref_type, const void *_ref, char *name, size_t size) { - H5G_loc_t loc; /* Group location */ - H5F_t *file; /* File object */ ssize_t ret_value; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE5("Zs", "iRt*x*sz", id, ref_type, _ref, name, size); /* Check args */ - if(H5G_loc(id, &loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location") if(ref_type <= H5R_BADTYPE || ref_type >= H5R_MAXTYPE) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid reference type") if(_ref == NULL) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid reference pointer") - /* Get the file pointer from the entry */ - file = loc.oloc->file; - - /* Get name */ - if((ret_value = H5R_get_name(file, H5P_DEFAULT, H5AC_dxpl_id, id, ref_type, _ref, name, size)) < 0) - HGOTO_ERROR(H5E_REFERENCE, H5E_CANTINIT, FAIL, "unable to determine object path") - + /* get the object type through the VOL */ + if(H5VL_object_get(id, H5VL_REF_GET_NAME, H5_REQUEST_NULL, &ret_value, name, size, ref_type, _ref) < 0) + HGOTO_ERROR(H5E_INTERNAL, H5E_CANTGET, FAIL, "unable to get group info") done: FUNC_LEAVE_API(ret_value) } /* end H5Rget_name() */ |