diff options
Diffstat (limited to 'src/H5A.c')
| -rw-r--r-- | src/H5A.c | 1151 |
1 files changed, 582 insertions, 569 deletions
@@ -16,21 +16,22 @@ /****************/ #include "H5Amodule.h" /* This source code file is part of the H5A module */ -#define H5O_FRIEND /*suppress error about including H5Opkg */ +#define H5O_FRIEND /* Suppress error about including H5Opkg */ /***********/ /* Headers */ /***********/ -#include "H5private.h" /* Generic Functions */ -#include "H5Apkg.h" /* Attributes */ -#include "H5Eprivate.h" /* Error handling */ -#include "H5FLprivate.h" /* Free Lists */ -#include "H5Iprivate.h" /* IDs */ -#include "H5MMprivate.h" /* Memory management */ -#include "H5Opkg.h" /* Object headers */ -#include "H5Sprivate.h" /* Dataspace functions */ -#include "H5SMprivate.h" /* Shared Object Header Messages */ +#include "H5private.h" /* Generic Functions */ +#include "H5Apkg.h" /* Attributes */ +#include "H5CXprivate.h" /* API Contexts */ +#include "H5Eprivate.h" /* Error handling */ +#include "H5FLprivate.h" /* Free Lists */ +#include "H5Iprivate.h" /* IDs */ +#include "H5MMprivate.h" /* Memory management */ +#include "H5Opkg.h" /* Object headers */ +#include "H5Sprivate.h" /* Dataspace functions */ +#include "H5VLprivate.h" /* Virtual Object Layer */ /****************/ @@ -91,7 +92,7 @@ static const H5I_class_t H5I_ATTR_CLS[1] = {{ H5I_ATTR, /* ID class value */ 0, /* Class flags */ 0, /* # of reserved IDs for class */ - (H5I_free_t)H5A_close /* Callback routine for closing objects of this class */ + (H5I_free_t)H5A__close_cb /* Callback routine for closing objects of this class */ }}; /* Flag indicating "top" of interface has been initialized */ @@ -99,6 +100,29 @@ static hbool_t H5A_top_package_initialize_s = FALSE; +/*------------------------------------------------------------------------- + * Function: H5A_init + * + * Purpose: Initialize the interface from some other layer. + * + * Return: Success: non-negative + * + * Failure: negative + *------------------------------------------------------------------------- + */ +herr_t +H5A_init(void) +{ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI(FAIL) + /* FUNC_ENTER() does all the work */ + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5A_init() */ + + /*-------------------------------------------------------------------------- NAME H5A__init_package -- Initialize interface-specific information @@ -122,7 +146,7 @@ H5A__init_package(void) * Create attribute ID type. */ if(H5I_register_type(H5I_ATTR_CLS) < 0) - HGOTO_ERROR(H5E_INTERNAL, H5E_CANTINIT, FAIL, "unable to initialize interface") + HGOTO_ERROR(H5E_ATTR, H5E_CANTINIT, FAIL, "unable to initialize interface") /* Mark "top" of interface as initialized, too */ H5A_top_package_initialize_s = TRUE; @@ -215,77 +239,87 @@ H5A_term_package(void) /*-------------------------------------------------------------------------- - NAME - H5Acreate2 - PURPOSE - Creates an attribute on an object - USAGE - hid_t H5Acreate2(loc_id, attr_name, type_id, space_id, acpl_id, - aapl_id) - hid_t loc_id; IN: Object (dataset or group) to be attached to - const char *attr_name; IN: Name of attribute to locate and open - hid_t type_id; IN: ID of datatype for attribute - hid_t space_id; IN: ID of dataspace for attribute - hid_t acpl_id; IN: ID of creation property list (currently not used) - hid_t aapl_id; IN: Attribute access property list - RETURNS - Non-negative on success/Negative on failure - - DESCRIPTION - This function creates an attribute which is attached to the object - specified with 'loc_id'. The name specified with 'attr_name' for - each attribute for an object must be unique for that object. The 'type_id' - and 'space_id' are created with the H5T and H5S interfaces respectively. - The 'aapl_id' property list is currently unused, but will be used in the - future for optional attribute access properties. The attribute ID returned - from this function must be released with H5Aclose or resource leaks will - develop. - ---------------------------------------------------------------------------*/ + * Function: H5Acreate2 + * + * Purpose: Creates an attribute on an object + * + * Usage: + * hid_t H5Acreate2(loc_id, attr_name, type_id, space_id, acpl_id, + * aapl_id) + * + * Description: This function creates an attribute which is attached to the + * object specified with 'loc_id'. The name specified with + * 'attr_name' for each attribute for an object must be unique + * for that object. The 'type_id' and 'space_id' are created + * with the H5T and H5S interfaces respectively. The 'aapl_id' + * property list is currently unused, but will be used in the + * future for optional attribute access properties. The + * attribute ID returned from this function must be released + * with H5Aclose or resource leaks will develop. + * + * Parameters: + * hid_t loc_id; IN: Object (dataset or group) to be attached to + * const char *attr_name; IN: Name of attribute to locate and open + * hid_t type_id; IN: ID of datatype for attribute + * hid_t space_id; IN: ID of dataspace for attribute + * hid_t acpl_id; IN: ID of creation property list (currently not used) + * hid_t aapl_id; IN: Attribute access property list + * + * Return: Success: An ID for the created attribute + * + * Failure: H5I_INVALID_HID + * + *------------------------------------------------------------------------- + */ hid_t H5Acreate2(hid_t loc_id, const char *attr_name, hid_t type_id, hid_t space_id, hid_t acpl_id, hid_t aapl_id) { - H5A_t *attr = NULL; /* Attribute created */ - H5G_loc_t loc; /* Object location */ - H5T_t *type; /* Datatype to use for attribute */ - H5S_t *space; /* Dataspace to use for attribute */ - hid_t dxpl_id = H5AC_ind_read_dxpl_id; /* dxpl used by library */ - hid_t ret_value; /* Return value */ + void *attr = NULL; /* Attribute created */ + H5VL_object_t *vol_obj = NULL; /* Object of loc_id */ + H5VL_loc_params_t loc_params; + hid_t ret_value = H5I_INVALID_HID; /* Return value */ - FUNC_ENTER_API(FAIL) + FUNC_ENTER_API(H5I_INVALID_HID) H5TRACE6("i", "i*siiii", loc_id, attr_name, type_id, space_id, acpl_id, aapl_id); - /* check arguments */ + /* Check arguments */ if(H5I_ATTR == H5I_get_type(loc_id)) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "location is not valid for an attribute") - if(H5G_loc(loc_id, &loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location") - if(0 == (H5F_INTENT(loc.oloc->file) & H5F_ACC_RDWR)) - HGOTO_ERROR(H5E_ARGS, H5E_WRITEERROR, FAIL, "no write intent on file") - if(!attr_name || !*attr_name) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no attribute name") - if(NULL == (type = (H5T_t *)H5I_object_verify(type_id, H5I_DATATYPE))) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a type") - if(NULL == (space = (H5S_t *)H5I_object_verify(space_id, H5I_DATASPACE))) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a data space") + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, H5I_INVALID_HID, "location is not valid for an attribute") + if(!attr_name) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, H5I_INVALID_HID, "attr_name parameter cannot be NULL") + if(!*attr_name) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, H5I_INVALID_HID, "attr_name parameter cannot be an empty string") + + /* Get correct property list */ + if(H5P_DEFAULT == acpl_id) + acpl_id = H5P_ATTRIBUTE_CREATE_DEFAULT; + + /* Verify access property list and set up collective metadata if appropriate */ + if(H5CX_set_apl(&aapl_id, H5P_CLS_AACC, loc_id, TRUE) < 0) + HGOTO_ERROR(H5E_ATTR, H5E_CANTSET, H5I_INVALID_HID, "can't set access property list info") - /* Verify access property list and get correct dxpl */ - if(H5P_verify_apl_and_dxpl(&aapl_id, H5P_CLS_AACC, &dxpl_id, loc_id, TRUE) < 0) - HGOTO_ERROR(H5E_ATTR, H5E_CANTSET, FAIL, "can't set access and transfer property lists") + /* Get the location object */ + if(NULL == (vol_obj = H5VL_vol_object(loc_id))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, H5I_INVALID_HID, "invalid location identifier") - /* Go do the real work for attaching the attribute to the object */ - if(NULL == (attr = H5A_create(&loc, attr_name, type, space, acpl_id, dxpl_id))) - HGOTO_ERROR(H5E_ATTR, H5E_CANTINIT, FAIL, "unable to create attribute") + /* Set location parameters */ + loc_params.type = H5VL_OBJECT_BY_SELF; + loc_params.obj_type = H5I_get_type(loc_id); + + /* Create the attribute */ + if(NULL == (attr = H5VL_attr_create(vol_obj, &loc_params, attr_name, type_id, space_id, acpl_id, aapl_id, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL))) + HGOTO_ERROR(H5E_ATTR, H5E_CANTINIT, H5I_INVALID_HID, "unable to create attribute") /* Register the new attribute and get an ID for it */ - if((ret_value = H5I_register(H5I_ATTR, attr, TRUE)) < 0) - HGOTO_ERROR(H5E_ATOM, H5E_CANTREGISTER, FAIL, "unable to register attribute for ID") + if((ret_value = H5VL_register(H5I_ATTR, attr, vol_obj->connector, TRUE)) < 0) + HGOTO_ERROR(H5E_ATTR, H5E_CANTREGISTER, H5I_INVALID_HID, "unable to atomize attribute handle") done: /* Cleanup on failure */ - if(ret_value < 0 && attr && H5A_close(attr) < 0) - HDONE_ERROR(H5E_ATTR, H5E_CANTFREE, FAIL, "can't close attribute") + if(H5I_INVALID_HID == ret_value) + if(attr && H5VL_attr_close(vol_obj, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL) < 0) + HDONE_ERROR(H5E_ATTR, H5E_CLOSEERROR, H5I_INVALID_HID, "can't close attribute") FUNC_LEAVE_API(ret_value) } /* H5Acreate2() */ @@ -308,7 +342,7 @@ done: hid_t aapl_id; IN: Attribute access property list hid_t lapl_id; IN: Link access property list RETURNS - Non-negative on success/Negative on failure + Non-negative on success/H5I_INVALID_HID on failure DESCRIPTION This function creates an attribute which is attached to the object @@ -326,64 +360,56 @@ H5Acreate_by_name(hid_t loc_id, const char *obj_name, const char *attr_name, hid_t type_id, hid_t space_id, hid_t acpl_id, hid_t aapl_id, hid_t lapl_id) { - H5A_t *attr = NULL; /* Attribute created */ - H5G_loc_t loc; /* Object location */ - H5G_loc_t obj_loc; /* Location used to open group */ - H5G_name_t obj_path; /* Opened object group hier. path */ - H5O_loc_t obj_oloc; /* Opened object object location */ - hbool_t loc_found = FALSE; /* Entry at 'obj_name' found */ - H5T_t *type; /* Datatype to use for attribute */ - H5S_t *space; /* Dataspace to use for attribute */ - hid_t dxpl_id = H5AC_ind_read_dxpl_id; /* dxpl used by library */ - hid_t ret_value; /* Return value */ + void *attr = NULL; /* attr object from VOL connector */ + H5VL_object_t *vol_obj = NULL; /* object of loc_id */ + H5VL_loc_params_t loc_params; + hid_t ret_value = H5I_INVALID_HID; /* Return value */ - FUNC_ENTER_API(FAIL) + FUNC_ENTER_API(H5I_INVALID_HID) H5TRACE8("i", "i*s*siiiii", loc_id, obj_name, attr_name, type_id, space_id, acpl_id, aapl_id, lapl_id); - /* check arguments */ + /* Check arguments */ if(H5I_ATTR == H5I_get_type(loc_id)) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "location is not valid for an attribute") - if(H5G_loc(loc_id, &loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location") - if(0 == (H5F_INTENT(loc.oloc->file) & H5F_ACC_RDWR)) - HGOTO_ERROR(H5E_ARGS, H5E_WRITEERROR, FAIL, "no write intent on file") + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, H5I_INVALID_HID, "location is not valid for an attribute") if(!obj_name || !*obj_name) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no object name") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, H5I_INVALID_HID, "no object name") if(!attr_name || !*attr_name) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no attribute name") - if(NULL == (type = (H5T_t *)H5I_object_verify(type_id, H5I_DATATYPE))) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a type") - if(NULL == (space = (H5S_t *)H5I_object_verify(space_id, H5I_DATASPACE))) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a data space") - - /* Set up opened group location to fill in */ - obj_loc.oloc = &obj_oloc; - obj_loc.path = &obj_path; - H5G_loc_reset(&obj_loc); - - /* Verify access property list and get correct dxpl */ - if(H5P_verify_apl_and_dxpl(&aapl_id, H5P_CLS_AACC, &dxpl_id, loc_id, TRUE) < 0) - HGOTO_ERROR(H5E_ATTR, H5E_CANTSET, FAIL, "can't set access and transfer property lists") - - /* Find the object's location */ - if(H5G_loc_find(&loc, obj_name, &obj_loc/*out*/, lapl_id, dxpl_id) < 0) - HGOTO_ERROR(H5E_ATTR, H5E_NOTFOUND, FAIL, "object not found") - loc_found = TRUE; - - /* Go do the real work for attaching the attribute to the dataset */ - if(NULL == (attr = H5A_create(&obj_loc, attr_name, type, space, acpl_id, dxpl_id))) - HGOTO_ERROR(H5E_ATTR, H5E_CANTINIT, FAIL, "unable to create attribute") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, H5I_INVALID_HID, "no attribute name") + + /* Get correct property list */ + if(H5P_DEFAULT == acpl_id) + acpl_id = H5P_ATTRIBUTE_CREATE_DEFAULT; + + /* Verify access property list and set up collective metadata if appropriate */ + if(H5CX_set_apl(&aapl_id, H5P_CLS_AACC, loc_id, TRUE) < 0) + HGOTO_ERROR(H5E_ATTR, H5E_CANTSET, H5I_INVALID_HID, "can't set attribute access property list info") + if(H5CX_set_apl(&lapl_id, H5P_CLS_LACC, loc_id, TRUE) < 0) + HGOTO_ERROR(H5E_ATTR, H5E_CANTSET, H5I_INVALID_HID, "can't set link access property list info") + + /* Set up location struct */ + loc_params.type = H5VL_OBJECT_BY_NAME; + loc_params.obj_type = H5I_get_type(loc_id); + loc_params.loc_data.loc_by_name.name = obj_name; + loc_params.loc_data.loc_by_name.lapl_id = lapl_id; + + /* Get the location object */ + if(NULL == (vol_obj = H5VL_vol_object(loc_id))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, H5I_INVALID_HID, "invalid location identifier") + + /* Create the attribute */ + if(NULL == (attr = H5VL_attr_create(vol_obj, &loc_params, attr_name, type_id, space_id, acpl_id, aapl_id, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL))) + HGOTO_ERROR(H5E_ATTR, H5E_CANTINIT, H5I_INVALID_HID, "unable to create attribute") /* Register the new attribute and get an ID for it */ - if((ret_value = H5I_register(H5I_ATTR, attr, TRUE)) < 0) - HGOTO_ERROR(H5E_ATOM, H5E_CANTREGISTER, FAIL, "unable to register attribute for ID") + if((ret_value = H5VL_register(H5I_ATTR, attr, vol_obj->connector, TRUE)) < 0) + HGOTO_ERROR(H5E_ATTR, H5E_CANTREGISTER, H5I_INVALID_HID, "unable to atomize attribute handle") + done: - /* Release resources */ - if(loc_found && H5G_loc_free(&obj_loc) < 0) - HDONE_ERROR(H5E_ATTR, H5E_CANTRELEASE, FAIL, "can't free location") - if(ret_value < 0 && attr && H5A_close(attr) < 0) - HDONE_ERROR(H5E_ATTR, H5E_CANTFREE, FAIL, "can't close attribute") + /* Cleanup on failure */ + if(H5I_INVALID_HID == ret_value) + if(attr && H5VL_attr_close(vol_obj, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL) < 0) + HDONE_ERROR(H5E_ATTR, H5E_CLOSEERROR, H5I_INVALID_HID, "can't close attribute") FUNC_LEAVE_API(ret_value) } /* H5Acreate_by_name() */ @@ -400,7 +426,7 @@ done: const char *attr_name; IN: Name of attribute to locate and open hid_t aapl_id; IN: Attribute access property list RETURNS - ID of attribute on success, negative on failure + ID of attribute on success, H5I_INVALID_HID on failure DESCRIPTION This function opens an existing attribute for access. The attribute @@ -411,43 +437,47 @@ done: hid_t H5Aopen(hid_t loc_id, const char *attr_name, hid_t aapl_id) { - H5G_loc_t loc; /* Object location */ - H5A_t *attr = NULL; /* Attribute opened */ - hid_t dxpl_id = H5AC_ind_read_dxpl_id; /* dxpl used by library */ - hid_t ret_value; + void *attr = NULL; /* attr object from VOL connector */ + H5VL_object_t *vol_obj = NULL; /* object of loc_id */ + H5VL_loc_params_t loc_params; + hid_t ret_value = H5I_INVALID_HID; - FUNC_ENTER_API(FAIL) + FUNC_ENTER_API(H5I_INVALID_HID) H5TRACE3("i", "i*si", loc_id, attr_name, aapl_id); - /* check arguments */ + /* Check arguments */ if(H5I_ATTR == H5I_get_type(loc_id)) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "location is not valid for an attribute") - if(H5G_loc(loc_id, &loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location") - if(!attr_name || !*attr_name) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no attribute name") + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, H5I_INVALID_HID, "location is not valid for an attribute") + if(!attr_name) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, H5I_INVALID_HID, "name parameter cannot be NULL") + if(!*attr_name) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, H5I_INVALID_HID, "name parameter cannot be an empty string") + + /* Verify access property list and set up collective metadata if appropriate */ + if(H5CX_set_apl(&aapl_id, H5P_CLS_AACC, loc_id, FALSE) < 0) + HGOTO_ERROR(H5E_ATTR, H5E_CANTSET, H5I_INVALID_HID, "can't set access property list info") - /* Verify access property list and get correct dxpl */ - if(H5P_verify_apl_and_dxpl(&aapl_id, H5P_CLS_AACC, &dxpl_id, loc_id, FALSE) < 0) - HGOTO_ERROR(H5E_ATTR, H5E_CANTSET, FAIL, "can't set access and transfer property lists") + /* Set location struct fields */ + loc_params.type = H5VL_OBJECT_BY_SELF; + loc_params.obj_type = H5I_get_type(loc_id); - /* Read in attribute from object header */ - if(NULL == (attr = H5O_attr_open_by_name(loc.oloc, attr_name, dxpl_id))) - HGOTO_ERROR(H5E_ATTR, H5E_CANTINIT, FAIL, "unable to load attribute info from object header for attribute: '%s'", attr_name) + /* Get the location object */ + if(NULL == (vol_obj = H5VL_vol_object(loc_id))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, H5I_INVALID_HID, "invalid location identifier") - /* Finish initializing attribute */ - if(H5A__open_common(&loc, attr) < 0) - HGOTO_ERROR(H5E_ATTR, H5E_CANTINIT, FAIL, "unable to initialize attribute") + /* Open the attribute */ + if(NULL == (attr = H5VL_attr_open(vol_obj, &loc_params, attr_name, aapl_id, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL))) + HGOTO_ERROR(H5E_ATTR, H5E_CANTOPENOBJ, H5I_INVALID_HID, "unable to open attribute: '%s'", attr_name) /* Register the attribute and get an ID for it */ - if((ret_value = H5I_register(H5I_ATTR, attr, TRUE)) < 0) - HGOTO_ERROR(H5E_ATOM, H5E_CANTREGISTER, FAIL, "unable to register attribute for ID") + if((ret_value = H5VL_register(H5I_ATTR, attr, vol_obj->connector, TRUE)) < 0) + HGOTO_ERROR(H5E_ATTR, H5E_CANTREGISTER, H5I_INVALID_HID, "unable to atomize attribute handle") done: /* Cleanup on failure */ - if(ret_value < 0) - if(attr && H5A_close(attr) < 0) - HDONE_ERROR(H5E_ATTR, H5E_CANTFREE, FAIL, "can't close attribute") + if(H5I_INVALID_HID == ret_value) + if(attr && H5VL_attr_close(vol_obj, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL) < 0) + HDONE_ERROR(H5E_ATTR, H5E_CLOSEERROR, H5I_INVALID_HID, "can't close attribute") FUNC_LEAVE_API(ret_value) } /* H5Aopen() */ @@ -466,7 +496,7 @@ done: hid_t aapl_id; IN: Attribute access property list hid_t lapl_id; IN: Link access property list RETURNS - ID of attribute on success, negative on failure + ID of attribute on success, H5I_INVALID_HID on failure DESCRIPTION This function opens an existing attribute for access. The attribute @@ -478,49 +508,54 @@ hid_t H5Aopen_by_name(hid_t loc_id, const char *obj_name, const char *attr_name, hid_t aapl_id, hid_t lapl_id) { - H5G_loc_t loc; /* Object location */ - H5A_t *attr = NULL; /* Attribute opened */ - hid_t dxpl_id = H5AC_ind_read_dxpl_id; /* dxpl used by library */ - hid_t ret_value; + void *attr = NULL; /* attr object from VOL connector */ + H5VL_object_t *vol_obj = NULL; /* object of loc_id */ + H5VL_loc_params_t loc_params; + hid_t ret_value = H5I_INVALID_HID; - FUNC_ENTER_API(FAIL) + FUNC_ENTER_API(H5I_INVALID_HID) H5TRACE5("i", "i*s*sii", loc_id, obj_name, attr_name, aapl_id, lapl_id); - /* check arguments */ + /* Check arguments */ if(H5I_ATTR == H5I_get_type(loc_id)) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "location is not valid for an attribute") - if(H5G_loc(loc_id, &loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location") + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, H5I_INVALID_HID, "location is not valid for an attribute") if(!obj_name || !*obj_name) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no object name") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, H5I_INVALID_HID, "no object name") if(!attr_name || !*attr_name) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no attribute name") - if(H5P_DEFAULT == lapl_id) - lapl_id = H5P_LINK_ACCESS_DEFAULT; - else - if(TRUE != H5P_isa_class(lapl_id, H5P_LINK_ACCESS)) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not link access property list ID") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, H5I_INVALID_HID, "no attribute name") + + /* Verify access property list and set up collective metadata if appropriate */ + if(H5CX_set_apl(&aapl_id, H5P_CLS_AACC, loc_id, FALSE) < 0) + HGOTO_ERROR(H5E_ATTR, H5E_CANTSET, H5I_INVALID_HID, "can't set attribute access property list info") + if(H5CX_set_apl(&lapl_id, H5P_CLS_LACC, loc_id, FALSE) < 0) + HGOTO_ERROR(H5E_ATTR, H5E_CANTSET, H5I_INVALID_HID, "can't set link access property list info") - /* Verify access property list and get correct dxpl */ - if(H5P_verify_apl_and_dxpl(&aapl_id, H5P_CLS_AACC, &dxpl_id, loc_id, FALSE) < 0) - HGOTO_ERROR(H5E_ATTR, H5E_CANTSET, FAIL, "can't set access and transfer property lists") + /* Fill in location struct fields */ + loc_params.type = H5VL_OBJECT_BY_NAME; + loc_params.loc_data.loc_by_name.name = obj_name; + loc_params.loc_data.loc_by_name.lapl_id = lapl_id; + loc_params.obj_type = H5I_get_type(loc_id); - /* Open the attribute on the object header */ - if(NULL == (attr = H5A_open_by_name(&loc, obj_name, attr_name, lapl_id, dxpl_id))) - HGOTO_ERROR(H5E_ATTR, H5E_CANTOPENOBJ, FAIL, "can't open attribute") + /* Get the location object */ + if (NULL == (vol_obj = H5VL_vol_object(loc_id))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, H5I_INVALID_HID, "invalid location identifier") + + /* Open the attribute */ + if(NULL == (attr = H5VL_attr_open(vol_obj, &loc_params, attr_name, aapl_id, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL))) + HGOTO_ERROR(H5E_ATTR, H5E_CANTOPENOBJ, H5I_INVALID_HID, "can't open attribute") /* Register the attribute and get an ID for it */ - if((ret_value = H5I_register(H5I_ATTR, attr, TRUE)) < 0) - HGOTO_ERROR(H5E_ATOM, H5E_CANTREGISTER, FAIL, "unable to register attribute for ID") + if((ret_value = H5VL_register(H5I_ATTR, attr, vol_obj->connector, TRUE)) < 0) + HGOTO_ERROR(H5E_ATTR, H5E_CANTREGISTER, H5I_INVALID_HID, "unable to atomize attribute handle") done: /* Cleanup on failure */ - if(ret_value < 0) - if(attr && H5A_close(attr) < 0) - HDONE_ERROR(H5E_ATTR, H5E_CANTFREE, FAIL, "can't close attribute") + if(H5I_INVALID_HID == ret_value) + if(attr && H5VL_attr_close(vol_obj, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL) < 0) + HDONE_ERROR(H5E_ATTR, H5E_CLOSEERROR, H5I_INVALID_HID, "can't close attribute") FUNC_LEAVE_API(ret_value) -} /* H5Aopen_by_name() */ +} /* end H5Aopen_by_name() */ /*-------------------------------------------------------------------------- @@ -539,7 +574,7 @@ done: hid_t aapl_id; IN: Attribute access property list hid_t lapl_id; IN: Link access property list RETURNS - ID of attribute on success, negative on failure + ID of attribute on success, H5I_INVALID_HID on failure DESCRIPTION This function opens an existing attribute for access. The attribute @@ -551,49 +586,57 @@ hid_t H5Aopen_by_idx(hid_t loc_id, const char *obj_name, H5_index_t idx_type, H5_iter_order_t order, hsize_t n, hid_t aapl_id, hid_t lapl_id) { - H5A_t *attr = NULL; /* Attribute opened */ - H5G_loc_t loc; /* Object location */ - hid_t dxpl_id = H5AC_ind_read_dxpl_id; /* dxpl used by library */ - hid_t ret_value; /* Return value */ + void *attr = NULL; /* Attribute opened */ + H5VL_object_t *vol_obj = NULL; /* object of loc_id */ + H5VL_loc_params_t loc_params; + hid_t ret_value = H5I_INVALID_HID; /* Return value */ - FUNC_ENTER_API(FAIL) + FUNC_ENTER_API(H5I_INVALID_HID) H5TRACE7("i", "i*sIiIohii", loc_id, obj_name, idx_type, order, n, aapl_id, lapl_id); - /* check arguments */ + /* Check arguments */ if(H5I_ATTR == H5I_get_type(loc_id)) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "location is not valid for an attribute") - if(H5G_loc(loc_id, &loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location") + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, H5I_INVALID_HID, "location is not valid for an attribute") if(!obj_name || !*obj_name) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no object name") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, H5I_INVALID_HID, "no object name") if(idx_type <= H5_INDEX_UNKNOWN || idx_type >= H5_INDEX_N) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid index type specified") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, H5I_INVALID_HID, "invalid index type specified") if(order <= H5_ITER_UNKNOWN || order >= H5_ITER_N) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid iteration order specified") - if(H5P_DEFAULT == lapl_id) - lapl_id = H5P_LINK_ACCESS_DEFAULT; - else - if(TRUE != H5P_isa_class(lapl_id, H5P_LINK_ACCESS)) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not link access property list ID") - - /* Verify access property list and get correct dxpl */ - if(H5P_verify_apl_and_dxpl(&aapl_id, H5P_CLS_AACC, &dxpl_id, loc_id, FALSE) < 0) - HGOTO_ERROR(H5E_ATTR, H5E_CANTSET, FAIL, "can't set access and transfer property lists") - - /* Open the attribute in the object header */ - if(NULL == (attr = H5A_open_by_idx(&loc, obj_name, idx_type, order, n, lapl_id, dxpl_id))) - HGOTO_ERROR(H5E_ATTR, H5E_CANTOPENOBJ, FAIL, "unable to open attribute") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, H5I_INVALID_HID, "invalid iteration order specified") + + /* Verify access property list and set up collective metadata if appropriate */ + if(H5CX_set_apl(&aapl_id, H5P_CLS_AACC, loc_id, FALSE) < 0) + HGOTO_ERROR(H5E_ATTR, H5E_CANTSET, H5I_INVALID_HID, "can't set attribute access property list info") + if(H5CX_set_apl(&lapl_id, H5P_CLS_LACC, loc_id, FALSE) < 0) + HGOTO_ERROR(H5E_ATTR, H5E_CANTSET, H5I_INVALID_HID, "can't set link access property list info") + + /* Fill in location struct parameters */ + loc_params.type = H5VL_OBJECT_BY_IDX; + loc_params.loc_data.loc_by_idx.name = obj_name; + loc_params.loc_data.loc_by_idx.idx_type = idx_type; + loc_params.loc_data.loc_by_idx.order = order; + loc_params.loc_data.loc_by_idx.n = n; + loc_params.loc_data.loc_by_idx.lapl_id = lapl_id; + loc_params.obj_type = H5I_get_type(loc_id); + + /* Get the location object */ + if(NULL == (vol_obj = H5VL_vol_object(loc_id))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, H5I_INVALID_HID, "invalid location identifier") + + /* Open the attribute */ + if(NULL == (attr = H5VL_attr_open(vol_obj, &loc_params, NULL, aapl_id, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL))) + HGOTO_ERROR(H5E_ATTR, H5E_CANTOPENOBJ, H5I_INVALID_HID, "unable to open attribute") /* Register the attribute and get an ID for it */ - if((ret_value = H5I_register(H5I_ATTR, attr, TRUE)) < 0) - HGOTO_ERROR(H5E_ATOM, H5E_CANTREGISTER, FAIL, "unable to register attribute for ID") + if((ret_value = H5VL_register(H5I_ATTR, attr, vol_obj->connector, TRUE)) < 0) + HGOTO_ERROR(H5E_ATTR, H5E_CANTREGISTER, H5I_INVALID_HID, "unable to atomize attribute handle") done: /* Cleanup on failure */ - if(ret_value < 0) - if(attr && H5A_close(attr) < 0) - HDONE_ERROR(H5E_ATTR, H5E_CANTFREE, FAIL, "can't close attribute") + if(H5I_INVALID_HID == ret_value) + if(attr && H5VL_attr_close(vol_obj, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL) < 0) + HDONE_ERROR(H5E_ATTR, H5E_CLOSEERROR, H5I_INVALID_HID, "can't close attribute") FUNC_LEAVE_API(ret_value) } /* H5Aopen_by_idx() */ @@ -618,29 +661,26 @@ done: herr_t H5Awrite(hid_t attr_id, hid_t dtype_id, const void *buf) { - H5A_t *attr; /* Attribute object for ID */ - H5T_t *mem_type; /* Memory datatype */ - hid_t dxpl_id = H5AC_ind_read_dxpl_id; /* dxpl used by library */ - hid_t aapl_id = H5P_DEFAULT; /* temp access plist */ - herr_t ret_value; /* Return value */ + H5VL_object_t *vol_obj; /* Attribute object for ID */ + herr_t ret_value; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE3("e", "ii*x", attr_id, dtype_id, buf); - /* check arguments */ - if(NULL == (attr = (H5A_t *)H5I_object_verify(attr_id, H5I_ATTR))) + /* Check arguments */ + if(NULL == (vol_obj = (H5VL_object_t *)H5I_object_verify(attr_id, H5I_ATTR))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not an attribute") - if(NULL == (mem_type = (H5T_t *)H5I_object_verify(dtype_id, H5I_DATATYPE))) + if(H5I_DATATYPE != H5I_get_type(dtype_id)) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a datatype") if(NULL == buf) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "null attribute buffer") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "buf parameter can't be NULL") - /* Verify access property list and get correct dxpl */ - if(H5P_verify_apl_and_dxpl(&aapl_id, H5P_CLS_AACC, &dxpl_id, attr_id, TRUE) < 0) - HGOTO_ERROR(H5E_ATTR, H5E_CANTSET, FAIL, "can't set access and transfer property lists") + /* Set up collective metadata if appropriate */ + if(H5CX_set_loc(attr_id) < 0) + HGOTO_ERROR(H5E_ATTR, H5E_CANTSET, FAIL, "can't set collective metadata read") - /* Go write the actual data to the attribute */ - if((ret_value = H5A__write(attr, mem_type, buf, dxpl_id)) < 0) + /* Write the attribute data */ + if((ret_value = H5VL_attr_write(vol_obj, dtype_id, buf, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL)) < 0) HGOTO_ERROR(H5E_ATTR, H5E_WRITEERROR, FAIL, "unable to write attribute") done: @@ -667,29 +707,22 @@ done: herr_t H5Aread(hid_t attr_id, hid_t dtype_id, void *buf) { - H5A_t *attr; /* Attribute object for ID */ - H5T_t *mem_type; /* Memory datatype */ - hid_t dxpl_id = H5AC_ind_read_dxpl_id; /* dxpl used by library */ - hid_t aapl_id = H5P_DEFAULT; /* temp access plist */ - herr_t ret_value; /* Return value */ + H5VL_object_t *vol_obj; /* Attribute object for ID */ + herr_t ret_value; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE3("e", "ii*x", attr_id, dtype_id, buf); - /* check arguments */ - if(NULL == (attr = (H5A_t *)H5I_object_verify(attr_id, H5I_ATTR))) + /* Check arguments */ + if(NULL == (vol_obj = (H5VL_object_t *)H5I_object_verify(attr_id, H5I_ATTR))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not an attribute") - if(NULL == (mem_type = (H5T_t *)H5I_object_verify(dtype_id, H5I_DATATYPE))) + if(H5I_DATATYPE != H5I_get_type(dtype_id)) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a datatype") if(NULL == buf) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "null attribute buffer") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "buf parameter can't be NULL") - /* Verify access property list and get correct dxpl */ - if(H5P_verify_apl_and_dxpl(&aapl_id, H5P_CLS_AACC, &dxpl_id, attr_id, FALSE) < 0) - HGOTO_ERROR(H5E_ATTR, H5E_CANTSET, FAIL, "can't set access and transfer property lists") - - /* Go write the actual data to the attribute */ - if((ret_value = H5A__read(attr, mem_type, buf, dxpl_id)) < 0) + /* Read the attribute data */ + if((ret_value = H5VL_attr_read(vol_obj, dtype_id, buf, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL)) < 0) HGOTO_ERROR(H5E_ATTR, H5E_READERROR, FAIL, "unable to read attribute") done: @@ -706,7 +739,7 @@ done: hid_t H5Aget_space (attr_id) hid_t attr_id; IN: Attribute to get dataspace of RETURNS - A dataspace ID on success, negative on failure + A dataspace ID on success, H5I_INVALID_HID on failure DESCRIPTION This function retrieves a copy of the dataspace for an attribute. @@ -716,30 +749,21 @@ done: hid_t H5Aget_space(hid_t attr_id) { - H5A_t *attr; /* Attribute object for ID */ - H5S_t *ds = NULL; - hid_t ret_value; + H5VL_object_t *vol_obj = NULL; /* Attribute object for ID */ + hid_t ret_value = H5I_INVALID_HID; /* Return value */ - FUNC_ENTER_API(FAIL) + FUNC_ENTER_API(H5I_INVALID_HID) H5TRACE1("i", "i", attr_id); - /* check arguments */ - if(NULL == (attr = (H5A_t *)H5I_object_verify(attr_id, H5I_ATTR))) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not an attribute") - - if(NULL == (ds = H5A_get_space(attr))) - HGOTO_ERROR(H5E_ARGS, H5E_CANTGET, FAIL, "can't get space ID of attribute") + /* Check arguments */ + if(NULL == (vol_obj = (H5VL_object_t *)H5I_object_verify(attr_id, H5I_ATTR))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, H5I_INVALID_HID, "not an attribute") - /* Atomize */ - if((ret_value = H5I_register(H5I_DATASPACE, ds, TRUE)) < 0) - HGOTO_ERROR(H5E_ATOM, H5E_CANTREGISTER, FAIL, "unable to register dataspace atom") + /* Get the dataspace */ + if(H5VL_attr_get(vol_obj, H5VL_ATTR_GET_SPACE, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, &ret_value) < 0) + HGOTO_ERROR(H5E_ATTR, H5E_CANTGET, H5I_INVALID_HID, "unable to get dataspace of attribute") done: - if(ret_value < 0) { - if(ds && (H5S_close(ds) < 0)) - HDONE_ERROR(H5E_DATASET, H5E_CLOSEERROR, FAIL, "unable to release dataspace") - } /* end if */ - FUNC_LEAVE_API(ret_value) } /* H5Aget_space() */ @@ -753,7 +777,7 @@ done: hid_t H5Aget_type (attr_id) hid_t attr_id; IN: Attribute to get datatype of RETURNS - A datatype ID on success, negative on failure + A datatype ID on success, H5I_INVALID_HID on failure DESCRIPTION This function retrieves a copy of the datatype for an attribute. @@ -763,30 +787,21 @@ done: hid_t H5Aget_type(hid_t attr_id) { - H5A_t *attr; /* Attribute object for ID */ - H5T_t *dt = NULL; - hid_t ret_value; /* Return value */ + H5VL_object_t *vol_obj = NULL; /* Attribute object for ID */ + hid_t ret_value = H5I_INVALID_HID; /* Return value */ - FUNC_ENTER_API(FAIL) + FUNC_ENTER_API(H5I_INVALID_HID) H5TRACE1("i", "i", attr_id); - /* check arguments */ - if(NULL == (attr = (H5A_t *)H5I_object_verify(attr_id, H5I_ATTR))) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not an attribute") + /* Check arguments */ + if(NULL == (vol_obj = (H5VL_object_t *)H5I_object_verify(attr_id, H5I_ATTR))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, H5I_INVALID_HID, "not an attribute") - if(NULL == (dt = H5A_get_type(attr))) - HGOTO_ERROR(H5E_ARGS, H5E_CANTGET, FAIL, "can't get space ID of attribute") - - /* Create an atom */ - if((ret_value = H5I_register(H5I_DATATYPE, dt, TRUE)) < 0) - HGOTO_ERROR(H5E_ATOM, H5E_CANTREGISTER, FAIL, "unable to register datatype") + /* Get the datatype */ + if(H5VL_attr_get(vol_obj, H5VL_ATTR_GET_TYPE, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, &ret_value) < 0) + HGOTO_ERROR(H5E_ATTR, H5E_CANTGET, H5I_INVALID_HID, "unable to get datatype of attribute") done: - if(ret_value < 0) { - if(dt && (H5T_close(dt) < 0)) - HDONE_ERROR(H5E_DATASET, H5E_CLOSEERROR, FAIL, "unable to release datatype") - } /* end if */ - FUNC_LEAVE_API(ret_value) } /* H5Aget_type() */ @@ -801,7 +816,7 @@ done: hid_t attr_id; IN: Attribute to get name of RETURNS This function returns the ID of a copy of the attribute's creation - property list, or negative on failure. + property list, or H5I_INVALID_HID on failure. ERRORS @@ -813,20 +828,21 @@ done: hid_t H5Aget_create_plist(hid_t attr_id) { - H5A_t *attr; /* Attribute object for ID */ - hid_t ret_value; + H5VL_object_t *vol_obj = NULL; /* Attribute object for ID */ + hid_t ret_value = H5I_INVALID_HID; /* Return value */ - FUNC_ENTER_API(FAIL) + FUNC_ENTER_API(H5I_INVALID_HID) H5TRACE1("i", "i", attr_id); HDassert(H5P_LST_ATTRIBUTE_CREATE_ID_g != -1); - /* Get attribute and default attribute creation property list*/ - if(NULL == (attr = (H5A_t *)H5I_object_verify(attr_id, H5I_ATTR))) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not an attribute") + /* Check arguments */ + if(NULL == (vol_obj = (H5VL_object_t *)H5I_object_verify(attr_id, H5I_ATTR))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, H5I_INVALID_HID, "not an attribute") - if((ret_value = H5A_get_create_plist(attr)) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_CANTGET, FAIL, "can't get creation property list for attr") + /* Get the acpl */ + if(H5VL_attr_get(vol_obj, H5VL_ATTR_GET_ACPL, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, &ret_value) < 0) + HGOTO_ERROR(H5E_ATTR, H5E_CANTGET, H5I_INVALID_HID, "unable to get creation property list for attribute") done: FUNC_LEAVE_API(ret_value) @@ -857,21 +873,26 @@ done: ssize_t H5Aget_name(hid_t attr_id, size_t buf_size, char *buf) { - H5A_t *my_attr; /* Attribute object for ID */ - ssize_t ret_value; + H5VL_object_t *vol_obj = NULL; /* Attribute object for ID */ + H5VL_loc_params_t loc_params; + ssize_t ret_value = -1; - FUNC_ENTER_API(FAIL) + FUNC_ENTER_API((-1)) H5TRACE3("Zs", "iz*s", attr_id, buf_size, buf); /* check arguments */ - if(NULL == (my_attr = (H5A_t *)H5I_object_verify(attr_id, H5I_ATTR))) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not an attribute") + if(NULL == (vol_obj = (H5VL_object_t *)H5I_object_verify(attr_id, H5I_ATTR))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, (-1), "not an attribute") if(!buf && buf_size) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid buffer") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, (-1), "buf cannot be NULL if buf_size is non-zero") - /* Call private function in turn */ - if(0 > (ret_value = H5A__get_name(my_attr, buf_size, buf))) - HGOTO_ERROR(H5E_ATTR, H5E_CANTGET, FAIL, "can't get attribute name") + /* Set location struct parameters */ + loc_params.type = H5VL_OBJECT_BY_SELF; + loc_params.obj_type = H5I_get_type(attr_id); + + /* Get the attribute name */ + if(H5VL_attr_get(vol_obj, H5VL_ATTR_GET_NAME, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, &loc_params, buf_size, buf, &ret_value) < 0) + HGOTO_ERROR(H5E_ATTR, H5E_CANTGET, (-1), "unable to get attribute name") done: FUNC_LEAVE_API(ret_value) @@ -900,9 +921,8 @@ H5Aget_name_by_idx(hid_t loc_id, const char *obj_name, H5_index_t idx_type, H5_iter_order_t order, hsize_t n, char *name /*out*/, size_t size, hid_t lapl_id) { - H5G_loc_t loc; /* Object location */ - H5A_t *attr = NULL; /* Attribute object for name */ - hid_t dxpl_id = H5AC_ind_read_dxpl_id; /* dxpl used by library */ + H5VL_object_t *vol_obj; + H5VL_loc_params_t loc_params; ssize_t ret_value; /* Return value */ FUNC_ENTER_API(FAIL) @@ -911,39 +931,37 @@ H5Aget_name_by_idx(hid_t loc_id, const char *obj_name, H5_index_t idx_type, /* Check args */ if(H5I_ATTR == H5I_get_type(loc_id)) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "location is not valid for an attribute") - if(H5G_loc(loc_id, &loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location") + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "location is not valid for an attribute") if(!obj_name || !*obj_name) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no name") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no name") + if(!name && size) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "name cannot be NULL if size is non-zero") if(idx_type <= H5_INDEX_UNKNOWN || idx_type >= H5_INDEX_N) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid index type specified") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid index type specified") if(order <= H5_ITER_UNKNOWN || order >= H5_ITER_N) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid iteration order specified") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid iteration order specified") - /* Verify access property list and get correct dxpl */ - if(H5P_verify_apl_and_dxpl(&lapl_id, H5P_CLS_LACC, &dxpl_id, loc_id, FALSE) < 0) - HGOTO_ERROR(H5E_ATTR, H5E_CANTSET, FAIL, "can't set access and transfer property lists") + /* Verify access property list and set up collective metadata if appropriate */ + if(H5CX_set_apl(&lapl_id, H5P_CLS_LACC, loc_id, FALSE) < 0) + HGOTO_ERROR(H5E_ATTR, H5E_CANTSET, FAIL, "can't set access property list info") - /* Open the attribute on the object header */ - if(NULL == (attr = H5A_open_by_idx(&loc, obj_name, idx_type, order, n, lapl_id, dxpl_id))) - HGOTO_ERROR(H5E_ATTR, H5E_CANTOPENOBJ, FAIL, "can't open attribute") + /* Get the object */ + if(NULL == (vol_obj = H5VL_vol_object(loc_id))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid object identifier") - /* Get the length of the name */ - ret_value = (ssize_t)HDstrlen(attr->shared->name); + loc_params.type = H5VL_OBJECT_BY_IDX; + loc_params.loc_data.loc_by_idx.name = obj_name; + loc_params.loc_data.loc_by_idx.idx_type = idx_type; + loc_params.loc_data.loc_by_idx.order = order; + loc_params.loc_data.loc_by_idx.n = n; + loc_params.loc_data.loc_by_idx.lapl_id = lapl_id; + loc_params.obj_type = H5I_get_type(loc_id); - /* Copy the name into the user's buffer, if given */ - if(name) { - HDstrncpy(name, attr->shared->name, MIN((size_t)(ret_value + 1), size)); - if((size_t)ret_value >= size) - name[size - 1]='\0'; - } /* end if */ + /* Get the name */ + if(H5VL_attr_get(vol_obj, H5VL_ATTR_GET_NAME, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, &loc_params, size, name, &ret_value) < 0) + HGOTO_ERROR(H5E_ATTR, H5E_CANTGET, FAIL, "unable to get name") done: - /* Release resources */ - if(attr && H5A_close(attr) < 0) - HDONE_ERROR(H5E_ATTR, H5E_CANTFREE, FAIL, "can't close attribute") - FUNC_LEAVE_API(ret_value) } /* end H5Aget_name_by_idx() */ @@ -968,18 +986,19 @@ done: hsize_t H5Aget_storage_size(hid_t attr_id) { - H5A_t *attr; /* Attribute object for ID */ + H5VL_object_t *vol_obj; hsize_t ret_value; /* Return value */ FUNC_ENTER_API(0) H5TRACE1("h", "i", attr_id); - /* Check args */ - if(NULL == (attr = (H5A_t *)H5I_object_verify(attr_id, H5I_ATTR))) + /* Check arguments */ + if(NULL == (vol_obj = (H5VL_object_t *)H5I_object_verify(attr_id, H5I_ATTR))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, 0, "not an attribute") - /* Set return value */ - ret_value = attr->shared->data_size; + /* Get the storage size */ + if(H5VL_attr_get(vol_obj, H5VL_ATTR_GET_STORAGE_SIZE, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, &ret_value) < 0) + HGOTO_ERROR(H5E_ATTR, H5E_CANTGET, 0, "unable to get acpl") done: FUNC_LEAVE_API(ret_value) @@ -1002,19 +1021,25 @@ done: herr_t H5Aget_info(hid_t attr_id, H5A_info_t *ainfo) { - H5A_t *attr; /* Attribute object for name */ + H5VL_object_t *vol_obj; + H5VL_loc_params_t loc_params; herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE2("e", "i*x", attr_id, ainfo); - /* Check args */ - if(NULL == (attr = (H5A_t *)H5I_object_verify(attr_id, H5I_ATTR))) + /* Check arguments */ + if(NULL == (vol_obj = (H5VL_object_t *)H5I_object_verify(attr_id, H5I_ATTR))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not an attribute") + if(!ainfo) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "attribute_info parameter cannot be NULL") + + loc_params.type = H5VL_OBJECT_BY_SELF; + loc_params.obj_type = H5I_get_type(attr_id); /* Get the attribute information */ - if(H5A__get_info(attr, ainfo) < 0) - HGOTO_ERROR(H5E_ATTR, H5E_CANTGET, FAIL, "unable to get attribute info") + if(H5VL_attr_get(vol_obj, H5VL_ATTR_GET_INFO, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, &loc_params, ainfo) < 0) + HGOTO_ERROR(H5E_ATTR, H5E_CANTGET, FAIL, "unable to get attribute info") done: FUNC_LEAVE_API(ret_value) @@ -1038,9 +1063,8 @@ herr_t H5Aget_info_by_name(hid_t loc_id, const char *obj_name, const char *attr_name, H5A_info_t *ainfo, hid_t lapl_id) { - H5G_loc_t loc; /* Object location */ - H5A_t *attr = NULL; /* Attribute object for name */ - hid_t dxpl_id = H5AC_ind_read_dxpl_id; /* dxpl used by library */ + H5VL_object_t *vol_obj; + H5VL_loc_params_t loc_params; herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) @@ -1048,33 +1072,32 @@ H5Aget_info_by_name(hid_t loc_id, const char *obj_name, const char *attr_name, /* Check args */ if(H5I_ATTR == H5I_get_type(loc_id)) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "location is not valid for an attribute") - if(H5G_loc(loc_id, &loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location") + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "location is not valid for an attribute") if(!obj_name || !*obj_name) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no object name") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no object name") if(!attr_name || !*attr_name) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no attribute name") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no attribute name") if(NULL == ainfo) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid info pointer") - /* Verify access property list and get correct dxpl */ - if(H5P_verify_apl_and_dxpl(&lapl_id, H5P_CLS_LACC, &dxpl_id, loc_id, FALSE) < 0) - HGOTO_ERROR(H5E_ATTR, H5E_CANTSET, FAIL, "can't set access and transfer property lists") + /* Verify access property list and set up collective metadata if appropriate */ + if(H5CX_set_apl(&lapl_id, H5P_CLS_LACC, loc_id, FALSE) < 0) + HGOTO_ERROR(H5E_ATTR, H5E_CANTSET, FAIL, "can't set access property list info") + + loc_params.type = H5VL_OBJECT_BY_NAME; + loc_params.loc_data.loc_by_name.name = obj_name; + loc_params.loc_data.loc_by_name.lapl_id = lapl_id; + loc_params.obj_type = H5I_get_type(loc_id); - /* Open the attribute on the object header */ - if(NULL == (attr = H5A_open_by_name(&loc, obj_name, attr_name, lapl_id, dxpl_id))) - HGOTO_ERROR(H5E_ATTR, H5E_CANTOPENOBJ, FAIL, "can't open attribute") + /* Get the object */ + if(NULL == (vol_obj = H5VL_vol_object(loc_id))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid object identifier") /* Get the attribute information */ - if(H5A__get_info(attr, ainfo) < 0) - HGOTO_ERROR(H5E_ATTR, H5E_CANTGET, FAIL, "unable to get attribute info") + if(H5VL_attr_get(vol_obj, H5VL_ATTR_GET_INFO, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, &loc_params, ainfo, attr_name) < 0) + HGOTO_ERROR(H5E_ATTR, H5E_CANTGET, FAIL, "unable to get attribute info") done: - /* Cleanup on failure */ - if(attr && H5A_close(attr) < 0) - HDONE_ERROR(H5E_ATTR, H5E_CANTFREE, FAIL, "can't close attribute") - FUNC_LEAVE_API(ret_value) } /* end H5Aget_info_by_name() */ @@ -1097,9 +1120,8 @@ herr_t H5Aget_info_by_idx(hid_t loc_id, const char *obj_name, H5_index_t idx_type, H5_iter_order_t order, hsize_t n, H5A_info_t *ainfo, hid_t lapl_id) { - H5G_loc_t loc; /* Object location */ - H5A_t *attr = NULL; /* Attribute object for name */ - hid_t dxpl_id = H5AC_ind_read_dxpl_id; /* dxpl used by library */ + H5VL_object_t *vol_obj; + H5VL_loc_params_t loc_params; herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) @@ -1108,46 +1130,47 @@ H5Aget_info_by_idx(hid_t loc_id, const char *obj_name, H5_index_t idx_type, /* Check args */ if(H5I_ATTR == H5I_get_type(loc_id)) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "location is not valid for an attribute") - if(H5G_loc(loc_id, &loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location") + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "location is not valid for an attribute") if(!obj_name || !*obj_name) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no name") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no name") if(idx_type <= H5_INDEX_UNKNOWN || idx_type >= H5_INDEX_N) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid index type specified") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid index type specified") if(order <= H5_ITER_UNKNOWN || order >= H5_ITER_N) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid iteration order specified") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid iteration order specified") if(NULL == ainfo) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid info pointer") - /* Verify access property list and get correct dxpl */ - if(H5P_verify_apl_and_dxpl(&lapl_id, H5P_CLS_LACC, &dxpl_id, loc_id, FALSE) < 0) - HGOTO_ERROR(H5E_ATTR, H5E_CANTSET, FAIL, "can't set access and transfer property lists") + /* Verify access property list and set up collective metadata if appropriate */ + if(H5CX_set_apl(&lapl_id, H5P_CLS_LACC, loc_id, FALSE) < 0) + HGOTO_ERROR(H5E_ATTR, H5E_CANTSET, FAIL, "can't set access property list info") - /* Open the attribute on the object header */ - if(NULL == (attr = H5A_open_by_idx(&loc, obj_name, idx_type, order, n, lapl_id, dxpl_id))) - HGOTO_ERROR(H5E_ATTR, H5E_CANTOPENOBJ, FAIL, "can't open attribute") + loc_params.type = H5VL_OBJECT_BY_IDX; + loc_params.loc_data.loc_by_idx.name = obj_name; + loc_params.loc_data.loc_by_idx.idx_type = idx_type; + loc_params.loc_data.loc_by_idx.order = order; + loc_params.loc_data.loc_by_idx.n = n; + loc_params.loc_data.loc_by_idx.lapl_id = lapl_id; + loc_params.obj_type = H5I_get_type(loc_id); + + /* Get the object */ + if(NULL == (vol_obj = H5VL_vol_object(loc_id))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid object identifier") /* Get the attribute information */ - if(H5A__get_info(attr, ainfo) < 0) - HGOTO_ERROR(H5E_ATTR, H5E_CANTGET, FAIL, "unable to get attribute info") + if(H5VL_attr_get(vol_obj, H5VL_ATTR_GET_INFO, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, &loc_params, ainfo) < 0) + HGOTO_ERROR(H5E_ATTR, H5E_CANTGET, FAIL, "unable to get attribute info") done: - /* Release resources */ - if(attr && H5A_close(attr) < 0) - HDONE_ERROR(H5E_ATTR, H5E_CANTFREE, FAIL, "can't close attribute") - FUNC_LEAVE_API(ret_value) } /* end H5Aget_info_by_idx() */ /*------------------------------------------------------------------------- - * Function: H5Arename + * Function: H5Arename * * Purpose: Rename an attribute * - * Return: Success: Non-negative - * Failure: Negative + * Return: SUCCEED/FAIL * * Programmer: Raymond Lu * October 23, 2002 @@ -1163,20 +1186,35 @@ H5Arename(hid_t loc_id, const char *old_name, const char *new_name) H5TRACE3("e", "i*s*s", loc_id, old_name, new_name); /* check arguments */ - if(!old_name || !new_name) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "name is nil") if(H5I_ATTR == H5I_get_type(loc_id)) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "location is not valid for an attribute") + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "location is not valid for an attribute") + if(!old_name) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "old attribute name cannot be NULL") + if(!*old_name) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "old attribute name cannot be an empty string") + if(!new_name) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "new attribute name cannot be NULL") + if(!*new_name) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "new attribute name cannot be an empty string") /* Avoid thrashing things if the names are the same */ if(HDstrcmp(old_name, new_name)) { - H5G_loc_t loc; /* Object location */ - - if(H5G_loc(loc_id, & loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location") + H5VL_object_t *vol_obj; + H5VL_loc_params_t loc_params; + + loc_params.type = H5VL_OBJECT_BY_SELF; + loc_params.obj_type = H5I_get_type(loc_id); + + /* Get the location object */ + if(NULL == (vol_obj = H5VL_vol_object(loc_id))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid location identifier") + + /* Set up collective metadata if appropriate */ + if(H5CX_set_loc(loc_id) < 0) + HGOTO_ERROR(H5E_ATTR, H5E_CANTSET, FAIL, "can't set collective metadata read") - /* Call private attribute rename routine */ - if(H5O_attr_rename(loc.oloc, H5AC_ind_read_dxpl_id, old_name, new_name) < 0) + /* Rename the attribute */ + if(H5VL_attr_specific(vol_obj, &loc_params, H5VL_ATTR_RENAME, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, old_name, new_name) < 0) HGOTO_ERROR(H5E_ATTR, H5E_CANTRENAME, FAIL, "can't rename attribute") } /* end if */ @@ -1186,12 +1224,11 @@ done: /*------------------------------------------------------------------------- - * Function: H5Arename_by_name + * Function: H5Arename_by_name * * Purpose: Rename an attribute * - * Return: Success: Non-negative - * Failure: Negative + * Return: SUCCEED/FAIL * * Programmer: Quincey Koziol * February 20, 2007 @@ -1210,28 +1247,34 @@ H5Arename_by_name(hid_t loc_id, const char *obj_name, const char *old_attr_name, /* check arguments */ if(H5I_ATTR == H5I_get_type(loc_id)) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "location is not valid for an attribute") + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "location is not valid for an attribute") if(!obj_name || !*obj_name) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no object name") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no object name") if(!old_attr_name || !*old_attr_name) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no old attribute name") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no old attribute name") if(!new_attr_name || !*new_attr_name) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no new attribute name") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no new attribute name") /* Avoid thrashing things if the names are the same */ if(HDstrcmp(old_attr_name, new_attr_name)) { - H5G_loc_t loc; /* Object location */ - hid_t dxpl_id = H5AC_ind_read_dxpl_id; /* dxpl used by the library */ + H5VL_object_t *vol_obj; + H5VL_loc_params_t loc_params; - /* Verify access property list and get correct dxpl */ - if(H5P_verify_apl_and_dxpl(&lapl_id, H5P_CLS_LACC, &dxpl_id, loc_id, TRUE) < 0) - HGOTO_ERROR(H5E_ATTR, H5E_CANTSET, FAIL, "can't set access and transfer property lists") + /* Verify access property list and set up collective metadata if appropriate */ + if(H5CX_set_apl(&lapl_id, H5P_CLS_LACC, loc_id, TRUE) < 0) + HGOTO_ERROR(H5E_ATTR, H5E_CANTSET, FAIL, "can't set access property list info") - if(H5G_loc(loc_id, & loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location") + loc_params.type = H5VL_OBJECT_BY_NAME; + loc_params.loc_data.loc_by_name.name = obj_name; + loc_params.loc_data.loc_by_name.lapl_id = lapl_id; + loc_params.obj_type = H5I_get_type(loc_id); - /* Call private attribute rename routine */ - if(H5A_rename_by_name(loc, obj_name, old_attr_name, new_attr_name, lapl_id, dxpl_id) < 0) + /* Get the location object */ + if(NULL == (vol_obj = H5VL_vol_object(loc_id))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid location identifier") + + /* Rename the attribute */ + if(H5VL_attr_specific(vol_obj, &loc_params, H5VL_ATTR_RENAME, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, old_attr_name, new_attr_name) < 0) HGOTO_ERROR(H5E_ATTR, H5E_CANTRENAME, FAIL, "can't rename attribute") } /* end if */ @@ -1285,9 +1328,8 @@ herr_t H5Aiterate2(hid_t loc_id, H5_index_t idx_type, H5_iter_order_t order, hsize_t *idx, H5A_operator2_t op, void *op_data) { - H5A_attr_iter_op_t attr_op; /* Attribute operator */ - hsize_t start_idx; /* Index of attribute to start iterating at */ - hsize_t last_attr; /* Index of last attribute examined */ + H5VL_object_t *vol_obj = NULL; /* object of loc_id */ + H5VL_loc_params_t loc_params; herr_t ret_value; /* Return value */ FUNC_ENTER_API(FAIL) @@ -1295,24 +1337,22 @@ H5Aiterate2(hid_t loc_id, H5_index_t idx_type, H5_iter_order_t order, /* check arguments */ if(H5I_ATTR == H5I_get_type(loc_id)) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "location is not valid for an attribute") + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "location is not valid for an attribute") if(idx_type <= H5_INDEX_UNKNOWN || idx_type >= H5_INDEX_N) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid index type specified") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid index type specified") if(order <= H5_ITER_UNKNOWN || order >= H5_ITER_N) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid iteration order specified") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid iteration order specified") - /* Build attribute operator info */ - attr_op.op_type = H5A_ATTR_OP_APP2; - attr_op.u.app_op2 = op; + loc_params.type = H5VL_OBJECT_BY_SELF; + loc_params.obj_type = H5I_get_type(loc_id); - /* Call attribute iteration routine */ - last_attr = start_idx = (idx ? *idx : 0); - if((ret_value = H5O_attr_iterate(loc_id, H5AC_ind_read_dxpl_id, idx_type, order, start_idx, &last_attr, &attr_op, op_data)) < 0) - HERROR(H5E_ATTR, H5E_BADITER, "error iterating over attributes"); + /* get the loc object */ + if(NULL == (vol_obj = H5VL_vol_object(loc_id))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid location identifier") - /* Set the last attribute information */ - if(idx) - *idx = last_attr; + /* Iterate over attributes */ + if((ret_value = H5VL_attr_specific(vol_obj, &loc_params, H5VL_ATTR_ITER, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, (int)idx_type, (int)order, idx, op, op_data)) < 0) + HERROR(H5E_ATTR, H5E_BADITER, "error iterating over attributes"); done: FUNC_LEAVE_API(ret_value) @@ -1367,17 +1407,9 @@ H5Aiterate_by_name(hid_t loc_id, const char *obj_name, H5_index_t idx_type, H5_iter_order_t order, hsize_t *idx, H5A_operator2_t op, void *op_data, hid_t lapl_id) { - H5G_loc_t loc; /* Object location */ - H5G_loc_t obj_loc; /* Location used to open group */ - H5G_name_t obj_path; /* Opened object group hier. path */ - H5O_loc_t obj_oloc; /* Opened object object location */ - hbool_t loc_found = FALSE; /* Entry at 'obj_name' found */ - hid_t obj_loc_id = (-1); /* ID for object located */ - H5A_attr_iter_op_t attr_op; /* Attribute operator */ - hsize_t start_idx; /* Index of attribute to start iterating at */ - hsize_t last_attr; /* Index of last attribute examined */ - hid_t dxpl_id = H5AC_ind_read_dxpl_id; /* dxpl used by library */ - herr_t ret_value; /* Return value */ + H5VL_object_t *vol_obj = NULL; /* object of loc_id */ + H5VL_loc_params_t loc_params; + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE8("e", "i*sIiIo*hx*xi", loc_id, obj_name, idx_type, order, idx, op, @@ -1385,56 +1417,32 @@ H5Aiterate_by_name(hid_t loc_id, const char *obj_name, H5_index_t idx_type, /* check arguments */ if(H5I_ATTR == H5I_get_type(loc_id)) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "location is not valid for an attribute") - if(H5G_loc(loc_id, &loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location") + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "location is not valid for an attribute") if(!obj_name || !*obj_name) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no object name") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no object name") if(idx_type <= H5_INDEX_UNKNOWN || idx_type >= H5_INDEX_N) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid index type specified") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid index type specified") if(order <= H5_ITER_UNKNOWN || order >= H5_ITER_N) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid iteration order specified") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid iteration order specified") - /* Verify access property list and get correct dxpl */ - if(H5P_verify_apl_and_dxpl(&lapl_id, H5P_CLS_LACC, &dxpl_id, loc_id, FALSE) < 0) - HGOTO_ERROR(H5E_ATTR, H5E_CANTSET, FAIL, "can't set access and transfer property lists") + /* Verify access property list and set up collective metadata if appropriate */ + if(H5CX_set_apl(&lapl_id, H5P_CLS_LACC, loc_id, FALSE) < 0) + HGOTO_ERROR(H5E_ATTR, H5E_CANTSET, FAIL, "can't set access property list info") - /* Set up opened group location to fill in */ - obj_loc.oloc = &obj_oloc; - obj_loc.path = &obj_path; - H5G_loc_reset(&obj_loc); + loc_params.type = H5VL_OBJECT_BY_NAME; + loc_params.obj_type = H5I_get_type(loc_id); + loc_params.loc_data.loc_by_name.name = obj_name; + loc_params.loc_data.loc_by_name.lapl_id = lapl_id; - /* Find the object's location */ - if(H5G_loc_find(&loc, obj_name, &obj_loc/*out*/, lapl_id, dxpl_id) < 0) - HGOTO_ERROR(H5E_ATTR, H5E_NOTFOUND, FAIL, "object not found") - loc_found = TRUE; + /* get the loc object */ + if(NULL == (vol_obj = H5VL_vol_object(loc_id))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid location identifier") - /* Open the object */ - if((obj_loc_id = H5O_open_by_loc(&obj_loc, lapl_id, dxpl_id, TRUE)) < 0) - HGOTO_ERROR(H5E_ATTR, H5E_CANTOPENOBJ, FAIL, "unable to open object") - - /* Build attribute operator info */ - attr_op.op_type = H5A_ATTR_OP_APP2; - attr_op.u.app_op2 = op; - - /* Call attribute iteration routine */ - last_attr = start_idx = (idx ? *idx : 0); - if((ret_value = H5O_attr_iterate(obj_loc_id, dxpl_id, idx_type, order, start_idx, &last_attr, &attr_op, op_data)) < 0) - HERROR(H5E_ATTR, H5E_BADITER, "error iterating over attributes"); - - /* Set the last attribute information */ - if(idx) - *idx = last_attr; + /* Iterate over attributes */ + if((ret_value = H5VL_attr_specific(vol_obj, &loc_params, H5VL_ATTR_ITER, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, (int)idx_type, (int)order, idx, op, op_data)) < 0) + HERROR(H5E_ATTR, H5E_BADITER, "attribute iteration failed"); done: - /* Release resources */ - if(obj_loc_id > 0) { - if(H5I_dec_app_ref(obj_loc_id) < 0) - HDONE_ERROR(H5E_ATTR, H5E_CANTDEC, FAIL, "unable to close temporary object") - } /* end if */ - else if(loc_found && H5G_loc_free(&obj_loc) < 0) - HDONE_ERROR(H5E_ATTR, H5E_CANTRELEASE, FAIL, "can't free location") - FUNC_LEAVE_API(ret_value) } /* H5Aiterate_by_name() */ @@ -1456,22 +1464,35 @@ done: herr_t H5Adelete(hid_t loc_id, const char *name) { - H5G_loc_t loc; /* Object location */ - herr_t ret_value = SUCCEED; /* Return value */ + H5VL_object_t *vol_obj = NULL; + H5VL_loc_params_t loc_params; + herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE2("e", "i*s", loc_id, name); - /* check arguments */ + /* Check arguments */ if(H5I_ATTR == H5I_get_type(loc_id)) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "location is not valid for an attribute") - 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") - - /* Delete the attribute from the location */ - if(H5O_attr_remove(loc.oloc, name, H5AC_ind_read_dxpl_id) < 0) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "location is not valid for an attribute") + if(!name) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "name parameter cannot be NULL") + if(!*name) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "name parameter cannot be an empty string") + + /* Set up collective metadata if appropriate */ + if(H5CX_set_loc(loc_id) < 0) + HGOTO_ERROR(H5E_ATTR, H5E_CANTSET, FAIL, "can't set collective metadata read") + + /* Fill in location struct fields */ + loc_params.type = H5VL_OBJECT_BY_SELF; + loc_params.obj_type = H5I_get_type(loc_id); + + /* Get the object */ + if(NULL == (vol_obj = H5VL_vol_object(loc_id))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid object identifier") + + /* Delete the attribute */ + if(H5VL_attr_specific(vol_obj, &loc_params, H5VL_ATTR_DELETE, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, name) < 0) HGOTO_ERROR(H5E_ATTR, H5E_CANTDELETE, FAIL, "unable to delete attribute") done: @@ -1499,50 +1520,40 @@ herr_t H5Adelete_by_name(hid_t loc_id, const char *obj_name, const char *attr_name, hid_t lapl_id) { - H5G_loc_t loc; /* Object location */ - H5G_loc_t obj_loc; /* Location used to open group */ - H5G_name_t obj_path; /* Opened object group hier. path */ - H5O_loc_t obj_oloc; /* Opened object object location */ - hbool_t loc_found = FALSE; /* Entry at 'obj_name' found */ - hid_t dxpl_id = H5AC_ind_read_dxpl_id; /* dxpl used by library */ + H5VL_object_t *vol_obj; + H5VL_loc_params_t loc_params; herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE4("e", "i*s*si", loc_id, obj_name, attr_name, lapl_id); - /* check arguments */ + /* Check arguments */ if(H5I_ATTR == H5I_get_type(loc_id)) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "location is not valid for an attribute") - if(H5G_loc(loc_id, &loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location") + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "location is not valid for an attribute") if(!obj_name || !*obj_name) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no object name") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no object name") if(!attr_name || !*attr_name) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no attribute name") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no attribute name") - /* Verify access property list and get correct dxpl */ - if(H5P_verify_apl_and_dxpl(&lapl_id, H5P_CLS_LACC, &dxpl_id, loc_id, TRUE) < 0) - HGOTO_ERROR(H5E_ATTR, H5E_CANTSET, FAIL, "can't set access and transfer property lists") + /* Verify access property list and set up collective metadata if appropriate */ + if(H5CX_set_apl(&lapl_id, H5P_CLS_LACC, loc_id, TRUE) < 0) + HGOTO_ERROR(H5E_ATTR, H5E_CANTSET, FAIL, "can't set access property list info") - /* Set up opened group location to fill in */ - obj_loc.oloc = &obj_oloc; - obj_loc.path = &obj_path; - H5G_loc_reset(&obj_loc); + /* Fill in location struct fields */ + loc_params.type = H5VL_OBJECT_BY_NAME; + loc_params.loc_data.loc_by_name.name = obj_name; + loc_params.loc_data.loc_by_name.lapl_id = lapl_id; + loc_params.obj_type = H5I_get_type(loc_id); - /* Find the object's location */ - if(H5G_loc_find(&loc, obj_name, &obj_loc/*out*/, lapl_id, dxpl_id) < 0) - HGOTO_ERROR(H5E_ATTR, H5E_NOTFOUND, FAIL, "object not found") - loc_found = TRUE; + /* Get the object */ + if(NULL == (vol_obj = H5VL_vol_object(loc_id))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid object identifier") - /* Delete the attribute from the location */ - if(H5O_attr_remove(obj_loc.oloc, attr_name, dxpl_id) < 0) + /* Delete the attribute */ + if(H5VL_attr_specific(vol_obj, &loc_params, H5VL_ATTR_DELETE, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, attr_name) < 0) HGOTO_ERROR(H5E_ATTR, H5E_CANTDELETE, FAIL, "unable to delete attribute") done: - /* Release resources */ - if(loc_found && H5G_loc_free(&obj_loc) < 0) - HDONE_ERROR(H5E_ATTR, H5E_CANTRELEASE, FAIL, "can't free location") - FUNC_LEAVE_API(ret_value) } /* H5Adelete_by_name() */ @@ -1575,12 +1586,8 @@ herr_t H5Adelete_by_idx(hid_t loc_id, const char *obj_name, H5_index_t idx_type, H5_iter_order_t order, hsize_t n, hid_t lapl_id) { - H5G_loc_t loc; /* Object location */ - H5G_loc_t obj_loc; /* Location used to open group */ - H5G_name_t obj_path; /* Opened object group hier. path */ - H5O_loc_t obj_oloc; /* Opened object object location */ - hbool_t loc_found = FALSE; /* Entry at 'obj_name' found */ - hid_t dxpl_id = H5AC_ind_read_dxpl_id; /* dxpl used by library */ + H5VL_object_t *vol_obj; + H5VL_loc_params_t loc_params; herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) @@ -1588,58 +1595,50 @@ H5Adelete_by_idx(hid_t loc_id, const char *obj_name, H5_index_t idx_type, /* check arguments */ if(H5I_ATTR == H5I_get_type(loc_id)) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "location is not valid for an attribute") - if(H5G_loc(loc_id, &loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location") + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "location is not valid for an attribute") if(!obj_name || !*obj_name) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no object name") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no object name") if(idx_type <= H5_INDEX_UNKNOWN || idx_type >= H5_INDEX_N) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid index type specified") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid index type specified") if(order <= H5_ITER_UNKNOWN || order >= H5_ITER_N) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid iteration order specified") - - /* Verify access property list and get correct dxpl */ - if(H5P_verify_apl_and_dxpl(&lapl_id, H5P_CLS_LACC, &dxpl_id, loc_id, TRUE) < 0) - HGOTO_ERROR(H5E_ATTR, H5E_CANTSET, FAIL, "can't set access and transfer property lists") - - /* Set up opened group location to fill in */ - obj_loc.oloc = &obj_oloc; - obj_loc.path = &obj_path; - H5G_loc_reset(&obj_loc); - - /* Find the object's location */ - if(H5G_loc_find(&loc, obj_name, &obj_loc/*out*/, lapl_id, dxpl_id) < 0) - HGOTO_ERROR(H5E_ATTR, H5E_NOTFOUND, FAIL, "object not found") - loc_found = TRUE; - - /* Delete the attribute from the location */ - if(H5O_attr_remove_by_idx(obj_loc.oloc, idx_type, order, n, dxpl_id) < 0) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid iteration order specified") + + /* Verify access property list and set up collective metadata if appropriate */ + if(H5CX_set_apl(&lapl_id, H5P_CLS_LACC, loc_id, TRUE) < 0) + HGOTO_ERROR(H5E_ATTR, H5E_CANTSET, FAIL, "can't set access property list info") + + loc_params.type = H5VL_OBJECT_BY_IDX; + loc_params.loc_data.loc_by_idx.name = obj_name; + loc_params.loc_data.loc_by_idx.idx_type = idx_type; + loc_params.loc_data.loc_by_idx.order = order; + loc_params.loc_data.loc_by_idx.n = n; + loc_params.loc_data.loc_by_idx.lapl_id = lapl_id; + loc_params.obj_type = H5I_get_type(loc_id); + + /* get the object */ + if(NULL == (vol_obj = H5VL_vol_object(loc_id))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid object identifier") + + /* Delete the attribute through the VOL */ + if(H5VL_attr_specific(vol_obj, &loc_params, H5VL_ATTR_DELETE, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, NULL) < 0) HGOTO_ERROR(H5E_ATTR, H5E_CANTDELETE, FAIL, "unable to delete attribute") done: - /* Release resources */ - if(loc_found && H5G_loc_free(&obj_loc) < 0) - HDONE_ERROR(H5E_ATTR, H5E_CANTRELEASE, FAIL, "can't free location") - FUNC_LEAVE_API(ret_value) } /* H5Adelete_by_idx() */ -/*-------------------------------------------------------------------------- - NAME - H5Aclose - PURPOSE - Close an attribute ID - USAGE - herr_t H5Aclose (attr_id) - hid_t attr_id; IN: Attribute to release access to - RETURNS - Non-negative on success/Negative on failure - - DESCRIPTION - This function releases an attribute from use. Further use of the - attribute ID will result in undefined behavior. ---------------------------------------------------------------------------*/ +/*------------------------------------------------------------------------- + * Function: H5Aclose + * + * Purpose: Closes access to an attribute and releases resources used by + * it. It is illegal to subsequently use that same dataset + * ID in calls to other attribute functions. + * + * Return: SUCCEED/FAIL + * + *------------------------------------------------------------------------- + */ herr_t H5Aclose(hid_t attr_id) { @@ -1648,7 +1647,7 @@ H5Aclose(hid_t attr_id) FUNC_ENTER_API(FAIL) H5TRACE1("e", "i", attr_id); - /* check arguments */ + /* Check arguments */ if(NULL == H5I_object_verify(attr_id, H5I_ATTR)) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not an attribute") @@ -1678,22 +1677,28 @@ done: htri_t H5Aexists(hid_t obj_id, const char *attr_name) { - H5G_loc_t loc; /* Object location */ + H5VL_object_t *vol_obj; + H5VL_loc_params_t loc_params; htri_t ret_value; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE2("t", "i*s", obj_id, attr_name); - /* check arguments */ + /* Check arguments */ if(H5I_ATTR == H5I_get_type(obj_id)) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "location is not valid for an attribute") - if(H5G_loc(obj_id, &loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location") + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "location is not valid for an attribute") if(!attr_name || !*attr_name) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no attribute name") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no attribute name") + + /* get the object */ + if(NULL == (vol_obj = H5VL_vol_object(obj_id))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid object identifier") + + loc_params.type = H5VL_OBJECT_BY_SELF; + loc_params.obj_type = H5I_get_type(obj_id); /* Check if the attribute exists */ - if((ret_value = H5O_attr_exists(loc.oloc, attr_name, H5AC_ind_read_dxpl_id)) < 0) + if(H5VL_attr_specific(vol_obj, &loc_params, H5VL_ATTR_EXISTS, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, attr_name, &ret_value) < 0) HGOTO_ERROR(H5E_ATTR, H5E_CANTGET, FAIL, "unable to determine if attribute exists") done: @@ -1718,8 +1723,8 @@ htri_t H5Aexists_by_name(hid_t loc_id, const char *obj_name, const char *attr_name, hid_t lapl_id) { - H5G_loc_t loc; /* Object location */ - hid_t dxpl_id = H5AC_ind_read_dxpl_id; /* dxpl used by library */ + H5VL_object_t *vol_obj; + H5VL_loc_params_t loc_params; htri_t ret_value; /* Return value */ FUNC_ENTER_API(FAIL) @@ -1727,19 +1732,27 @@ H5Aexists_by_name(hid_t loc_id, const char *obj_name, const char *attr_name, /* check arguments */ if(H5I_ATTR == H5I_get_type(loc_id)) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "location is not valid for an attribute") - if(H5G_loc(loc_id, &loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location") + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "location is not valid for an attribute") if(!obj_name || !*obj_name) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no object name") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no object name") if(!attr_name || !*attr_name) - HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no attribute name") + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no attribute name") + + /* Verify access property list and set up collective metadata if appropriate */ + if(H5CX_set_apl(&lapl_id, H5P_CLS_LACC, loc_id, FALSE) < 0) + HGOTO_ERROR(H5E_ATTR, H5E_CANTSET, FAIL, "can't set access property list info") + + /* get the object */ + if(NULL == (vol_obj = H5VL_vol_object(loc_id))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid object identifier") - /* Verify access property list and get correct dxpl */ - if(H5P_verify_apl_and_dxpl(&lapl_id, H5P_CLS_LACC, &dxpl_id, loc_id, FALSE) < 0) - HGOTO_ERROR(H5E_ATTR, H5E_CANTSET, FAIL, "can't set access and transfer property lists") + loc_params.type = H5VL_OBJECT_BY_NAME; + loc_params.loc_data.loc_by_name.name = obj_name; + loc_params.loc_data.loc_by_name.lapl_id = lapl_id; + loc_params.obj_type = H5I_get_type(loc_id); - if((ret_value = H5A_exists_by_name(loc, obj_name, attr_name, lapl_id, dxpl_id)) < 0) + /* Check existence of attribute */ + if(H5VL_attr_specific(vol_obj, &loc_params, H5VL_ATTR_EXISTS, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, attr_name, &ret_value) < 0) HGOTO_ERROR(H5E_ATTR, H5E_CANTGET, FAIL, "unable to determine if attribute exists") done: |