diff options
Diffstat (limited to 'src/H5O.c')
| -rw-r--r-- | src/H5O.c | 481 |
1 files changed, 360 insertions, 121 deletions
@@ -102,7 +102,7 @@ hid_t H5Oopen(hid_t loc_id, const char *name, hid_t lapl_id) { - H5VL_object_t *vol_obj; /* Object token of loc_id */ + H5VL_object_t *vol_obj; /* Object of loc_id */ H5I_type_t opened_type; void *opened_obj = NULL; H5VL_loc_params_t loc_params; @@ -171,7 +171,7 @@ hid_t H5Oopen_by_idx(hid_t loc_id, const char *group_name, H5_index_t idx_type, H5_iter_order_t order, hsize_t n, hid_t lapl_id) { - H5VL_object_t *vol_obj; /* Object token of loc_id */ + H5VL_object_t *vol_obj; /* Object of loc_id */ H5I_type_t opened_type; void *opened_obj = NULL; H5VL_loc_params_t loc_params; @@ -217,57 +217,34 @@ done: /*------------------------------------------------------------------------- - * Function: H5Oopen_by_addr + * Function: H5Oopen_by_token * - * Purpose: Warning! This function is EXTREMELY DANGEROUS! - * Improper use can lead to FILE CORRUPTION, INACCESSIBLE DATA, - * and other VERY BAD THINGS! - * - * This function opens an object using its address within the - * HDF5 file, similar to an HDF5 hard link. The open object - * is identical to an object opened with H5Oopen() and should - * be closed with H5Oclose() or a type-specific closing - * function (such as H5Gclose() ). - * - * This function is very dangerous if called on an invalid - * address. For this reason, H5Oincr_refcount() should be - * used to prevent HDF5 from deleting any object that is - * referenced by address (e.g. by a user-defined link). - * H5Odecr_refcount() should be used when the object is - * no longer being referenced by address (e.g. when the UD link - * is deleted). - * - * The address of the HDF5 file on disk has no effect on - * H5Oopen_by_addr(), nor does the use of any unusual file - * drivers. The "address" is really the offset within the - * HDF5 file, and HDF5's file drivers will transparently - * map this to an address on disk for the filesystem. + * Purpose: Same as H5Oopen_by_addr, but uses VOL-independent tokens. * - * Return: Success: An open object identifier - * Failure: H5I_INVALID_HID + * Return: Success: An open object identifier + * Failure: H5I_INVALID_HID * - * Programmer: James Laird - * July 14 2006 + * Programmer: Dana Robinson + * Winter 2019 * *------------------------------------------------------------------------- */ hid_t -H5Oopen_by_addr(hid_t loc_id, haddr_t addr) +H5Oopen_by_token(hid_t loc_id, H5O_token_t token) { - H5VL_object_t *vol_obj; /* Object token of loc_id */ + H5VL_object_t *vol_obj; /* Object of loc_id */ H5I_type_t vol_obj_type = H5I_BADID;/* Object type of loc_id */ H5I_type_t opened_type; /* Opened object type */ void *opened_obj = NULL; /* Opened object */ H5VL_loc_params_t loc_params; /* Location parameters */ - H5VL_token_t obj_token = {0}; /* Object token */ - hid_t file_id = H5I_INVALID_HID; /* File ID */ - void *vol_obj_file = NULL; /* Object token of file_id */ - H5F_t *f = NULL; - uint8_t *p = NULL; hid_t ret_value = H5I_INVALID_HID; /* Return value */ FUNC_ENTER_API(H5I_INVALID_HID) - H5TRACE2("i", "ia", loc_id, addr); + H5TRACE2("i", "ik", loc_id, token); + + /* Check args */ + if(H5O_IS_TOKEN_UNDEF(token)) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, H5I_INVALID_HID, "can't open H5O_TOKEN_UNDEF") /* Get the location object */ if(NULL == (vol_obj = (H5VL_object_t *)H5I_object(loc_id))) @@ -277,39 +254,21 @@ H5Oopen_by_addr(hid_t loc_id, haddr_t addr) if((vol_obj_type = H5I_get_type(loc_id)) < 0) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, H5I_INVALID_HID, "invalid location identifier") - /* Get the file for the object */ - if((file_id = H5F_get_file_id(vol_obj, vol_obj_type, FALSE)) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, H5I_INVALID_HID, "not a file or file object") - - /* Retrieve VOL object */ - if(NULL == (vol_obj_file = H5VL_vol_object(file_id))) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, H5I_INVALID_HID, "invalid location identifier") - - /* Retrieve file from VOL object */ - if(NULL == (f = (H5F_t *)H5VL_object_data((const H5VL_object_t *)vol_obj_file))) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, H5I_INVALID_HID, "invalid VOL object") - - /* This is a native specific routine that requires serialization of the token */ - p = (uint8_t *)&obj_token; - H5F_addr_encode(f, &p, addr); - loc_params.type = H5VL_OBJECT_BY_TOKEN; - loc_params.loc_data.loc_by_token.token = &obj_token; + loc_params.loc_data.loc_by_token.token = &token; loc_params.obj_type = vol_obj_type; /* Open the object */ if(NULL == (opened_obj = H5VL_object_open(vol_obj, &loc_params, &opened_type, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL))) HGOTO_ERROR(H5E_OHDR, H5E_CANTOPENOBJ, H5I_INVALID_HID, "unable to open object") - /* Register the dataset ID */ + /* Register the object's ID */ if((ret_value = H5VL_register(opened_type, opened_obj, vol_obj->connector, TRUE)) < 0) HGOTO_ERROR(H5E_OHDR, H5E_CANTREGISTER, H5I_INVALID_HID, "unable to atomize object handle") done: - if(file_id != H5I_INVALID_HID && H5I_dec_ref(file_id) < 0) - HDONE_ERROR(H5E_REFERENCE, H5E_CANTDEC, H5I_INVALID_HID, "unable to decrement refcount on file") FUNC_LEAVE_API(ret_value) -} /* end H5Oopen_by_addr() */ +} /* end H5Oopen_by_token() */ /*------------------------------------------------------------------------- @@ -337,9 +296,9 @@ herr_t H5Olink(hid_t obj_id, hid_t new_loc_id, const char *new_name, hid_t lcpl_id, hid_t lapl_id) { - H5VL_object_t *vol_obj1 = NULL; /* object token of obj_id */ - H5VL_object_t *vol_obj2 = NULL; /* object token of new_loc_id */ - H5VL_object_t tmp_vol_obj; /* Temporary object token of */ + H5VL_object_t *vol_obj1 = NULL; /* object of obj_id */ + H5VL_object_t *vol_obj2 = NULL; /* object of new_loc_id */ + H5VL_object_t tmp_vol_obj; /* Temporary object */ H5VL_loc_params_t loc_params1; H5VL_loc_params_t loc_params2; herr_t ret_value = SUCCEED; /* Return value */ @@ -429,7 +388,7 @@ done: herr_t H5Oincr_refcount(hid_t object_id) { - H5VL_object_t *vol_obj; /* Object token of loc_id */ + H5VL_object_t *vol_obj; /* Object of loc_id */ H5VL_loc_params_t loc_params; herr_t ret_value = SUCCEED; @@ -479,7 +438,7 @@ done: herr_t H5Odecr_refcount(hid_t object_id) { - H5VL_object_t *vol_obj; /* Object token of loc_id */ + H5VL_object_t *vol_obj; /* Object of loc_id */ H5VL_loc_params_t loc_params; herr_t ret_value = SUCCEED; /* Return value */ @@ -522,7 +481,7 @@ done: htri_t H5Oexists_by_name(hid_t loc_id, const char *name, hid_t lapl_id) { - H5VL_object_t *vol_obj; /* Object token of loc_id */ + H5VL_object_t *vol_obj; /* Object of loc_id */ H5VL_loc_params_t loc_params; htri_t ret_value = FAIL; /* Return value */ @@ -559,23 +518,21 @@ done: /*------------------------------------------------------------------------- - * Function: H5Oget_info2 + * Function: H5Oget_info3 * * Purpose: Retrieve information about an object. * - * NOTE: Add a parameter "fields" to indicate selection of object info. - * * Return: SUCCEED/FAIL * - * Programmer: Neil Fortner - * July 7 2010 + * Programmer: Dana Robinson + * Fall 2019 * *------------------------------------------------------------------------- */ herr_t -H5Oget_info2(hid_t loc_id, H5O_info_t *oinfo, unsigned fields) +H5Oget_info3(hid_t loc_id, H5O_info2_t *oinfo, unsigned fields) { - H5VL_object_t *vol_obj; /* Object token of loc_id */ + H5VL_object_t *vol_obj; /* Object of loc_id */ H5VL_loc_params_t loc_params; herr_t ret_value = SUCCEED; /* Return value */ @@ -597,33 +554,31 @@ H5Oget_info2(hid_t loc_id, H5O_info_t *oinfo, unsigned fields) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid location identifier") /* Retrieve the object's information */ - if(H5VL_object_optional(vol_obj, H5VL_NATIVE_OBJECT_GET_INFO, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, &loc_params, oinfo, fields) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "can't get info for object") + if(H5VL_object_get(vol_obj, &loc_params, H5VL_OBJECT_GET_INFO, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, oinfo, fields) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "can't get data model info for object") done: FUNC_LEAVE_API(ret_value) -} /* end H5Oget_info2() */ +} /* end H5Oget_info3() */ /*------------------------------------------------------------------------- - * Function: H5Oget_info_by_name2 + * Function: H5Oget_info_by_name3 * * Purpose: Retrieve information about an object * - * NOTE: Add a parameter "fields" to indicate selection of object info. - * * Return: SUCCEED/FAIL * - * Programmer: Neil Fortner - * July 7 2010 + * Programmer: Dana Robinson + * Fall 2019 * *------------------------------------------------------------------------- */ herr_t -H5Oget_info_by_name2(hid_t loc_id, const char *name, H5O_info_t *oinfo, - unsigned fields, hid_t lapl_id) +H5Oget_info_by_name3(hid_t loc_id, const char *name, + H5O_info2_t *oinfo, unsigned fields, hid_t lapl_id) { - H5VL_object_t *vol_obj; /* Object token of loc_id */ + H5VL_object_t *vol_obj; /* Object of loc_id */ H5VL_loc_params_t loc_params; herr_t ret_value = SUCCEED; /* Return value */ @@ -655,35 +610,33 @@ H5Oget_info_by_name2(hid_t loc_id, const char *name, H5O_info_t *oinfo, HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid location identifier") /* Retrieve the object's information */ - if(H5VL_object_optional(vol_obj, H5VL_NATIVE_OBJECT_GET_INFO, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, &loc_params, oinfo, fields) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "can't get info for object: '%s'", name) + if(H5VL_object_get(vol_obj, &loc_params, H5VL_OBJECT_GET_INFO, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, oinfo, fields) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "can't get data model info for object") done: FUNC_LEAVE_API(ret_value) -} /* end H5Oget_info_by_name2() */ +} /* end H5Oget_info_by_name3() */ /*------------------------------------------------------------------------- - * Function: H5Oget_info_by_idx2 - * - * Purpose: Retrieve information about an object, according to the order - * of an index. + * Function: H5Oget_info_by_idx3 * - * NOTE: Add a parameter "fields" to indicate selection of object info. + * Purpose: Retrieve information about an object, according to + * the order of an index. * * Return: Success: Non-negative * Failure: Negative * - * Programmer: Quincey Koziol - * November 26 2006 + * Programmer: Dana Robinson + * Fall 2019 * *------------------------------------------------------------------------- */ herr_t -H5Oget_info_by_idx2(hid_t loc_id, const char *group_name, H5_index_t idx_type, - H5_iter_order_t order, hsize_t n, H5O_info_t *oinfo, unsigned fields, hid_t lapl_id) +H5Oget_info_by_idx3(hid_t loc_id, const char *group_name, H5_index_t idx_type, + H5_iter_order_t order, hsize_t n, H5O_info2_t *oinfo, unsigned fields, hid_t lapl_id) { - H5VL_object_t *vol_obj; /* Object token of loc_id */ + H5VL_object_t *vol_obj; /* Object of loc_id */ H5VL_loc_params_t loc_params; herr_t ret_value = SUCCEED; /* Return value */ @@ -720,12 +673,176 @@ H5Oget_info_by_idx2(hid_t loc_id, const char *group_name, H5_index_t idx_type, HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid location identifier") /* Retrieve the object's information */ - if(H5VL_object_optional(vol_obj, H5VL_NATIVE_OBJECT_GET_INFO, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, &loc_params, oinfo, fields) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "can't get info for object") + if(H5VL_object_get(vol_obj, &loc_params, H5VL_OBJECT_GET_INFO, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, oinfo, fields) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "can't get data model info for object") done: FUNC_LEAVE_API(ret_value) -} /* end H5Oget_info_by_idx2() */ +} /* end H5Oget_info_by_idx3() */ + + +/*------------------------------------------------------------------------- + * Function: H5Oget_native_info + * + * Purpose: Retrieve native file format information about an object. + * + * Return: SUCCEED/FAIL + * + * Programmer: Dana Robinson + * Fall 2019 + * + *------------------------------------------------------------------------- + */ +herr_t +H5Oget_native_info(hid_t loc_id, H5O_native_info_t *oinfo, unsigned fields) +{ + H5VL_object_t *vol_obj; /* Object of loc_id */ + H5VL_loc_params_t loc_params; + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API(FAIL) + H5TRACE3("e", "i*xIu", loc_id, oinfo, fields); + + /* Check args */ + if(!oinfo) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "oinfo parameter cannot be NULL") + if(fields & ~H5O_NATIVE_INFO_ALL) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid fields") + + /* Set location struct fields */ + 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") + + /* Retrieve the object's information */ + if(H5VL_object_optional(vol_obj, H5VL_NATIVE_OBJECT_GET_NATIVE_INFO, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, &loc_params, oinfo, fields) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "can't get native file format info for object") + +done: + FUNC_LEAVE_API(ret_value) +} /* end H5Oget_native_info() */ + + +/*------------------------------------------------------------------------- + * Function: H5Oget_native_info_by_name + * + * Purpose: Retrieve native file format information about an object + * + * Return: SUCCEED/FAIL + * + * Programmer: Dana Robinson + * Fall 2019 + * + *------------------------------------------------------------------------- + */ +herr_t +H5Oget_native_info_by_name(hid_t loc_id, const char *name, H5O_native_info_t *oinfo, + unsigned fields, hid_t lapl_id) +{ + H5VL_object_t *vol_obj; /* Object of loc_id */ + H5VL_loc_params_t loc_params; + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API(FAIL) + H5TRACE5("e", "i*s*xIui", loc_id, name, oinfo, fields, lapl_id); + + /* Check args */ + 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") + if(!oinfo) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "oinfo parameter cannot be NULL") + if(fields & ~H5O_NATIVE_INFO_ALL) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid fields") + + /* 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_OHDR, H5E_CANTSET, FAIL, "can't set access property list info") + + /* Fill out location struct */ + loc_params.type = H5VL_OBJECT_BY_NAME; + loc_params.loc_data.loc_by_name.name = name; + loc_params.loc_data.loc_by_name.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, FAIL, "invalid location identifier") + + /* Retrieve the object's information */ + if(H5VL_object_optional(vol_obj, H5VL_NATIVE_OBJECT_GET_NATIVE_INFO, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, &loc_params, oinfo, fields) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "can't get native file format info for object: '%s'", name) + +done: + FUNC_LEAVE_API(ret_value) +} /* end H5Oget_native_info_by_name() */ + + +/*------------------------------------------------------------------------- + * Function: H5Oget_native_info_by_idx + * + * Purpose: Retrieve native file format information about an object, + * according to the order of an index. + * + * Return: Success: Non-negative + * Failure: Negative + * + * Programmer: Dana Robinson + * Fall 2019 + * + *------------------------------------------------------------------------- + */ +herr_t +H5Oget_native_info_by_idx(hid_t loc_id, const char *group_name, H5_index_t idx_type, + H5_iter_order_t order, hsize_t n, H5O_native_info_t *oinfo, unsigned fields, hid_t lapl_id) +{ + H5VL_object_t *vol_obj; /* Object of loc_id */ + H5VL_loc_params_t loc_params; + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API(FAIL) + H5TRACE8("e", "i*sIiIoh*xIui", loc_id, group_name, idx_type, order, n, oinfo, + fields, lapl_id); + + /* Check args */ + if(!group_name || !*group_name) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no name specified") + if(idx_type <= H5_INDEX_UNKNOWN || idx_type >= H5_INDEX_N) + 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") + if(!oinfo) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no info struct") + if(fields & ~H5O_NATIVE_INFO_ALL) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid fields") + + /* 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_OHDR, 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 = group_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, FAIL, "invalid location identifier") + + /* Retrieve the object's information */ + if(H5VL_object_optional(vol_obj, H5VL_NATIVE_OBJECT_GET_NATIVE_INFO, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, &loc_params, oinfo, fields) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "can't get native file format info for object") + +done: + FUNC_LEAVE_API(ret_value) +} /* end H5Oget_native_info_by_idx() */ /*------------------------------------------------------------------------- @@ -748,7 +865,7 @@ done: herr_t H5Oset_comment(hid_t obj_id, const char *comment) { - H5VL_object_t *vol_obj; /* Object token of loc_id */ + H5VL_object_t *vol_obj; /* Object of loc_id */ H5VL_loc_params_t loc_params; herr_t ret_value = SUCCEED; /* Return value */ @@ -797,7 +914,7 @@ herr_t H5Oset_comment_by_name(hid_t loc_id, const char *name, const char *comment, hid_t lapl_id) { - H5VL_object_t *vol_obj; /* Object token of loc_id */ + H5VL_object_t *vol_obj; /* Object of loc_id */ H5VL_loc_params_t loc_params; herr_t ret_value = SUCCEED; /* Return value */ @@ -850,9 +967,9 @@ done: ssize_t H5Oget_comment(hid_t obj_id, char *comment, size_t bufsize) { - H5VL_object_t *vol_obj; /* Object token of loc_id */ + H5VL_object_t *vol_obj; /* Object of loc_id */ H5VL_loc_params_t loc_params; - ssize_t ret_value = -1; /* Return value */ + ssize_t ret_value = -1; /* Return value */ FUNC_ENTER_API((-1)) H5TRACE3("Zs", "i*sz", obj_id, comment, bufsize); @@ -894,9 +1011,9 @@ ssize_t H5Oget_comment_by_name(hid_t loc_id, const char *name, char *comment, size_t bufsize, hid_t lapl_id) { - H5VL_object_t *vol_obj; /* Object token of loc_id */ + H5VL_object_t *vol_obj; /* Object of loc_id */ H5VL_loc_params_t loc_params; - ssize_t ret_value = -1; /* Return value */ + ssize_t ret_value = -1; /* Return value */ FUNC_ENTER_API((-1)) H5TRACE5("Zs", "i*s*szi", loc_id, name, comment, bufsize, lapl_id); @@ -929,7 +1046,7 @@ done: /*------------------------------------------------------------------------- - * Function: H5Ovisit2 + * Function: H5Ovisit3 * * Purpose: Recursively visit an object and all the objects reachable * from it. If the starting object is a group, all the objects @@ -964,12 +1081,12 @@ done: *------------------------------------------------------------------------- */ herr_t -H5Ovisit2(hid_t obj_id, H5_index_t idx_type, H5_iter_order_t order, - H5O_iterate_t op, void *op_data, unsigned fields) +H5Ovisit3(hid_t obj_id, H5_index_t idx_type, H5_iter_order_t order, + H5O_iterate2_t op, void *op_data, unsigned fields) { - H5VL_object_t *vol_obj; /* Object token of loc_id */ + H5VL_object_t *vol_obj; /* Object of loc_id */ H5VL_loc_params_t loc_params; - herr_t ret_value; /* Return value */ + herr_t ret_value; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE6("e", "iIiIox*xIu", obj_id, idx_type, order, op, op_data, fields); @@ -998,11 +1115,11 @@ H5Ovisit2(hid_t obj_id, H5_index_t idx_type, H5_iter_order_t order, done: FUNC_LEAVE_API(ret_value) -} /* end H5Ovisit2() */ +} /* end H5Ovisit3() */ /*------------------------------------------------------------------------- - * Function: H5Ovisit_by_name2 + * Function: H5Ovisit_by_name3 * * Purpose: Recursively visit an object and all the objects reachable * from it. If the starting object is a group, all the objects @@ -1037,12 +1154,12 @@ done: *------------------------------------------------------------------------- */ herr_t -H5Ovisit_by_name2(hid_t loc_id, const char *obj_name, H5_index_t idx_type, - H5_iter_order_t order, H5O_iterate_t op, void *op_data, unsigned fields, hid_t lapl_id) +H5Ovisit_by_name3(hid_t loc_id, const char *obj_name, H5_index_t idx_type, + H5_iter_order_t order, H5O_iterate2_t op, void *op_data, unsigned fields, hid_t lapl_id) { - H5VL_object_t *vol_obj; /* Object token of loc_id */ - H5VL_loc_params_t loc_params; - herr_t ret_value; /* Return value */ + H5VL_object_t *vol_obj; /* Object of loc_id */ + H5VL_loc_params_t loc_params; + herr_t ret_value; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE8("e", "i*sIiIox*xIui", loc_id, obj_name, idx_type, order, op, op_data, @@ -1082,7 +1199,7 @@ H5Ovisit_by_name2(hid_t loc_id, const char *obj_name, H5_index_t idx_type, done: FUNC_LEAVE_API(ret_value) -} /* end H5Ovisit_by_name2() */ +} /* end H5Ovisit_by_name3() */ /*------------------------------------------------------------------------- @@ -1187,7 +1304,7 @@ done: herr_t H5Odisable_mdc_flushes(hid_t object_id) { - H5VL_object_t *vol_obj; /* Object token of loc_id */ + H5VL_object_t *vol_obj; /* Object of loc_id */ H5VL_loc_params_t loc_params; /* Location parameters */ herr_t ret_value = SUCCEED; /* Return value */ @@ -1256,7 +1373,7 @@ done: herr_t H5Oenable_mdc_flushes(hid_t object_id) { - H5VL_object_t *vol_obj; /* Object token of loc_id */ + H5VL_object_t *vol_obj; /* Object of loc_id */ H5VL_loc_params_t loc_params; /* Location parameters */ herr_t ret_value = SUCCEED; /* Return value */ @@ -1330,7 +1447,7 @@ done: herr_t H5Oare_mdc_flushes_disabled(hid_t object_id, hbool_t *are_disabled) { - H5VL_object_t *vol_obj; /* Object token of loc_id */ + H5VL_object_t *vol_obj; /* Object of loc_id */ H5VL_loc_params_t loc_params; /* Location parameters */ herr_t ret_value = SUCCEED; /* Return value */ @@ -1361,3 +1478,125 @@ done: FUNC_LEAVE_API(ret_value) } /* H5Oare_mdc_flushes_disabled() */ + +/*--------------------------------------------------------------------------- + * Function: H5Otoken_cmp + * + * Purpose: Compares two VOL connector object tokens + * + * Note: Both object tokens must be from the same VOL connector class + * + * Return: Success: Non-negative, with *cmp_value set to positive if + * token1 is greater than token2, negative if token2 + * is greater than token1 and zero if token1 and + * token2 are equal. + * Failure: Negative + * + *--------------------------------------------------------------------------- + */ +herr_t +H5Otoken_cmp(hid_t loc_id, const H5O_token_t *token1, const H5O_token_t *token2, + int *cmp_value) +{ + H5VL_object_t *vol_obj; /* VOL object for ID */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API(FAIL) + H5TRACE4("e", "i*k*k*Is", loc_id, token1, token2, cmp_value); + + /* Get the location object */ + if(NULL == (vol_obj = H5VL_vol_object(loc_id))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid location identifier") + if(NULL == cmp_value) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid cmp_value pointer") + + /* Compare the two tokens */ + if(H5VL_token_cmp(vol_obj, token1, token2, cmp_value) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTCOMPARE, FAIL, "object token comparison failed") + +done: + FUNC_LEAVE_API(ret_value) +} /* end H5Otoken_cmp() */ + + +/*--------------------------------------------------------------------------- + * Function: H5Otoken_to_str + * + * Purpose: Serialize a connector's object token into a string + * + * Return: Success: Non-negative + * Failure: Negative + * + *--------------------------------------------------------------------------- + */ +herr_t +H5Otoken_to_str(hid_t loc_id, const H5O_token_t *token, char **token_str) +{ + H5VL_object_t *vol_obj; /* VOL object for ID */ + H5I_type_t vol_obj_type; /* VOL object's type */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API(FAIL) + H5TRACE3("e", "i*k**s", loc_id, token, token_str); + + /* Get the location object */ + if(NULL == (vol_obj = H5VL_vol_object(loc_id))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid location identifier") + if(NULL == token) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid token pointer") + if(NULL == token_str) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid token string pointer") + + /* Get object type */ + if((vol_obj_type = H5I_get_type(loc_id)) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "can't get underlying VOL object type") + + /* Serialize the token */ + if(H5VL_token_to_str(vol_obj, vol_obj_type, token, token_str) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTSERIALIZE, FAIL, "object token serialization failed") + +done: + FUNC_LEAVE_API(ret_value) +} /* end H5Otoken_to_str() */ + + +/*--------------------------------------------------------------------------- + * Function: H5Otoken_from_str + * + * Purpose: Deserialize a string into a connector object token + * + * Return: Success: Non-negative + * Failure: Negative + * + *--------------------------------------------------------------------------- + */ +herr_t +H5Otoken_from_str(hid_t loc_id, const char *token_str, H5O_token_t *token) +{ + H5VL_object_t *vol_obj; /* VOL object for ID */ + H5I_type_t vol_obj_type; /* VOL object's type */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API(FAIL) + H5TRACE3("e", "i*s*k", loc_id, token_str, token); + + /* Get the location object */ + if(NULL == (vol_obj = H5VL_vol_object(loc_id))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid location identifier") + if(NULL == token) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid token pointer") + if(NULL == token_str) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid token string pointer") + + /* Get object type */ + if((vol_obj_type = H5I_get_type(loc_id)) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "can't get underlying VOL object type") + + /* Deserialize the token */ + if(H5VL_token_from_str(vol_obj, vol_obj_type, token_str, token) < 0) + HGOTO_ERROR(H5E_VOL, H5E_CANTUNSERIALIZE, FAIL, "object token deserialization failed") + +done: + FUNC_LEAVE_API(ret_value) +} /* end H5Otoken_from_str() */ + |