/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Copyright by The HDF Group. * * Copyright by the Board of Trustees of the University of Illinois. * * All rights reserved. * * * * This file is part of HDF5. The full HDF5 copyright notice, including * * terms governing use, modification, and redistribution, is contained in * * the COPYING file, which can be found at the root of the source code * * distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases. * * If you do not have access to either file, you may request a copy from * * help@hdfgroup.org. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ /****************/ /* Module Setup */ /****************/ #include "H5Fmodule.h" /* This source code file is part of the H5F module */ /***********/ /* Headers */ /***********/ #include "H5private.h" /* Generic Functions */ #include "H5Aprivate.h" /* Attributes */ #include "H5ACprivate.h" /* Metadata cache */ #include "H5CXprivate.h" /* API Contexts */ #include "H5Dprivate.h" /* Datasets */ #include "H5Eprivate.h" /* Error handling */ #include "H5Fpkg.h" /* File access */ #include "H5FDprivate.h" /* File drivers */ #include "H5Gprivate.h" /* Groups */ #include "H5Iprivate.h" /* IDs */ #include "H5MFprivate.h" /* File memory management */ #include "H5MMprivate.h" /* Memory management */ #include "H5Pprivate.h" /* Property lists */ #include "H5Tprivate.h" /* Datatypes */ /****************/ /* Local Macros */ /****************/ /******************/ /* Local Typedefs */ /******************/ /********************/ /* Package Typedefs */ /********************/ /********************/ /* Local Prototypes */ /********************/ /*********************/ /* Package Variables */ /*********************/ /* Package initialization variable */ hbool_t H5_PKG_INIT_VAR = FALSE; /*****************************/ /* Library Private Variables */ /*****************************/ /*******************/ /* Local Variables */ /*******************/ /* File ID class */ static const H5I_class_t H5I_FILE_CLS[1] = {{ H5I_FILE, /* ID class value */ 0, /* Class flags */ 0, /* # of reserved IDs for class */ (H5I_free_t)H5F__close_cb /* Callback routine for closing objects of this class */ }}; /*-------------------------------------------------------------------------- NAME H5F__init_package -- Initialize interface-specific information USAGE herr_t H5F__init_package() RETURNS Non-negative on success/Negative on failure DESCRIPTION Initializes any interface-specific data or routines. --------------------------------------------------------------------------*/ herr_t H5F__init_package(void) { herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_PACKAGE /* * Initialize the atom group for the file IDs. */ if(H5I_register_type(H5I_FILE_CLS) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, FAIL, "unable to initialize interface") done: FUNC_LEAVE_NOAPI(ret_value) } /* H5F__init_package() */ /*------------------------------------------------------------------------- * Function: H5F_term_package * * Purpose: Terminate this interface: free all memory and reset global * variables to their initial values. Release all ID groups * associated with this interface. * * Return: Success: Positive if anything was done that might * have affected other interfaces; * zero otherwise. * * Failure: Never fails *------------------------------------------------------------------------- */ int H5F_term_package(void) { int n = 0; FUNC_ENTER_NOAPI_NOINIT_NOERR if(H5_PKG_INIT_VAR) { if(H5I_nmembers(H5I_FILE) > 0) { (void)H5I_clear_type(H5I_FILE, FALSE, FALSE); n++; /*H5I*/ } /* end if */ else { /* Make certain we've cleaned up all the shared file objects */ H5F_sfile_assert_num(0); /* Destroy the file object id group */ n += (H5I_dec_type_ref(H5I_FILE) > 0); /* Mark closed */ if(0 == n) H5_PKG_INIT_VAR = FALSE; } /* end else */ } /* end if */ FUNC_LEAVE_NOAPI(n) } /* end H5F_term_package() */ /*------------------------------------------------------------------------- * Function: H5Fget_create_plist * * Purpose: Get an atom for a copy of the file-creation property list for * this file. This function returns an atom with a copy of the * properties used to create a file. * * Return: Success: Object ID for a copy of the file creation * property list. * Failure: H5I_INVALID_HID *------------------------------------------------------------------------- */ hid_t H5Fget_create_plist(hid_t file_id) { H5F_t *file; /* File info */ H5P_genplist_t *plist; /* Property list */ hid_t ret_value = H5I_INVALID_HID; /* Return value */ FUNC_ENTER_API(H5I_INVALID_HID) H5TRACE1("i", "i", file_id); /* check args */ if(NULL == (file = (H5F_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, H5I_INVALID_HID, "invalid file identifier") if(NULL == (plist = (H5P_genplist_t *)H5I_object(file->shared->fcpl_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, H5I_INVALID_HID, "not a file creation property list") /* Retrieve the file creation property list */ if((ret_value = H5P_copy_plist(plist, TRUE)) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTCOPY, H5I_INVALID_HID, "unable to retrieve file creation properties") done: FUNC_LEAVE_API(ret_value) } /* end H5Fget_create_plist() */ /*------------------------------------------------------------------------- * Function: H5Fget_access_plist * * Purpose: Returns a copy of the file access property list of the * specified file. * * NOTE: Make sure that, if you are going to overwrite * information in the copied property list that was * previously opened and assigned to the property list, then * you must close it before overwriting the values. * * Return: Success: Object ID for a copy of the file access * property list. * Failure: H5I_INVALID_HID *------------------------------------------------------------------------- */ hid_t H5Fget_access_plist(hid_t file_id) { H5F_t *f; /* File info */ hid_t ret_value = H5I_INVALID_HID; /* Return value */ FUNC_ENTER_API(H5I_INVALID_HID) H5TRACE1("i", "i", file_id); /* Check args */ if(NULL == (f = (H5F_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, H5I_INVALID_HID, "invalid file identifier") /* Retrieve the file's access property list */ if((ret_value = H5F_get_access_plist(f, TRUE)) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTGET, H5I_INVALID_HID, "can't get file access property list") done: FUNC_LEAVE_API(ret_value) } /* end H5Fget_access_plist() */ /*------------------------------------------------------------------------- * Function: H5Fget_obj_count * * Purpose: Public function returning the number of opened object IDs * (files, datasets, groups and datatypes) in the same file. * * Return: Success: The number of opened object IDs * Failure: -1 *------------------------------------------------------------------------- */ ssize_t H5Fget_obj_count(hid_t file_id, unsigned types) { H5F_t *f = NULL; /* File to query */ size_t obj_count = 0; /* Number of opened objects */ ssize_t ret_value = 0; /* Return value */ FUNC_ENTER_API((-1)) H5TRACE2("Zs", "iIu", file_id, types); /* Check arguments */ if(file_id != (hid_t)H5F_OBJ_ALL && (NULL == (f = (H5F_t *)H5I_object_verify(file_id, H5I_FILE)))) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, (-1), "not a file id") if(0 == (types & H5F_OBJ_ALL)) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, (-1), "not an object type") /* Perform the query */ if(H5F_get_obj_count(f, types, TRUE, &obj_count) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTGET, (-1), "H5F_get_obj_count failed") /* Set return value */ ret_value = (ssize_t)obj_count; done: FUNC_LEAVE_API(ret_value) } /* end H5Fget_obj_count() */ /*------------------------------------------------------------------------- * Function: H5Fget_object_ids * * Purpose: Public function to return a list of opened object IDs. * * Return: Success: The number of IDs in oid_list * Failure: -1 *------------------------------------------------------------------------- */ ssize_t H5Fget_obj_ids(hid_t file_id, unsigned types, size_t max_objs, hid_t *oid_list) { H5F_t *f = NULL; /* File to query */ size_t obj_id_count = 0; /* Number of open objects */ ssize_t ret_value = 0; /* Return value */ FUNC_ENTER_API((-1)) H5TRACE4("Zs", "iIuz*i", file_id, types, max_objs, oid_list); /* Check arguments */ if(file_id != (hid_t)H5F_OBJ_ALL && (NULL == (f = (H5F_t *)H5I_object_verify(file_id, H5I_FILE)))) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, (-1), "not a file id") if(0 == (types & H5F_OBJ_ALL)) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, (-1), "not an object type") if(!oid_list) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, (-1), "object ID list is NULL") /* Perform the query */ if(H5F_get_obj_ids(f, types, max_objs, oid_list, TRUE, &obj_id_count) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTGET, (-1), "H5F_get_obj_ids failed") /* Set the return value */ ret_value = (ssize_t)obj_id_count; done: FUNC_LEAVE_API(ret_value) } /* end H5Fget_obj_ids() */ /*------------------------------------------------------------------------- * Function: H5Fget_vfd_handle * * Purpose: Returns a pointer to the file handle of the low-level file * driver. * * Return: Success: Non-negative * Failure: Negative *------------------------------------------------------------------------- */ herr_t H5Fget_vfd_handle(hid_t file_id, hid_t fapl_id, void **file_handle) { H5F_t *file; /* File to query */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE3("e", "ii**x", file_id, fapl_id, file_handle); /* Check args */ if(!file_handle) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid file handle pointer") /* Get the file object */ if(NULL == (file = (H5F_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid file identifier") /* Retrieve the VFD handle for the file */ if(H5F_get_vfd_handle(file, fapl_id, file_handle) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "unable to get VFD handle") done: FUNC_LEAVE_API(ret_value) } /* end H5Fget_vfd_handle() */ /*------------------------------------------------------------------------- * Function: H5Fis_hdf5 * * Purpose: Check the file signature to detect an HDF5 file. * * Bugs: This function is not robust: it only uses the default file * driver when attempting to open the file when in fact it * should use all known file drivers. * * Return: Success: TRUE/FALSE * Failure: -1 (includes file does not exist) * *------------------------------------------------------------------------- */ htri_t H5Fis_hdf5(const char *name) { htri_t ret_value; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE1("t", "*s", name); /* Check args and all the boring stuff. */ if(!name || !*name) HGOTO_ERROR(H5E_ARGS, H5E_BADRANGE, FAIL, "no file name specified") /* call the private is_HDF5 function */ /* (Should not trigger raw data I/O - QAK, 2018/01/03) */ if((ret_value = H5F__is_hdf5(name)) < 0) HGOTO_ERROR(H5E_FILE, H5E_NOTHDF5, FAIL, "unable to determine if file is accessible as HDF5") done: FUNC_LEAVE_API(ret_value) } /* end H5Fis_hdf5() */ /*------------------------------------------------------------------------- * Function: H5Fcreate * * Purpose: This is the primary function for creating HDF5 files . The * flags parameter determines whether an existing file will be * overwritten or not. All newly created files are opened for * both reading and writing. All flags may be combined with the * bit-wise OR operator (`|') to change the behavior of the file * create call. * * The more complex behaviors of a file's creation and access * are controlled through the file-creation and file-access * property lists. The value of H5P_DEFAULT for a template * value indicates that the library should use the default * values for the appropriate template. * * See also: H5Fpublic.h for the list of supported flags. H5Ppublic.h for * the list of file creation and file access properties. * * Return: Success: A file ID * Failure: H5I_INVALID_HID *------------------------------------------------------------------------- */ hid_t H5Fcreate(const char *filename, unsigned flags, hid_t fcpl_id, hid_t fapl_id) { H5F_t *new_file = NULL; /* File struct for new file */ hid_t ret_value; /* return value */ FUNC_ENTER_API(H5I_INVALID_HID) H5TRACE4("i", "*sIuii", filename, flags, fcpl_id, fapl_id); /* Check/fix arguments */ if(!filename || !*filename) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, H5I_INVALID_HID, "invalid file name") /* In this routine, we only accept the following flags: * H5F_ACC_EXCL, H5F_ACC_TRUNC and H5F_ACC_SWMR_WRITE */ if(flags & ~(H5F_ACC_EXCL | H5F_ACC_TRUNC | H5F_ACC_SWMR_WRITE)) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, H5I_INVALID_HID, "invalid flags") /* The H5F_ACC_EXCL and H5F_ACC_TRUNC flags are mutually exclusive */ if((flags & H5F_ACC_EXCL) && (flags & H5F_ACC_TRUNC)) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, H5I_INVALID_HID, "mutually exclusive flags for file creation") /* Check file creation property list */ if(H5P_DEFAULT == fcpl_id) fcpl_id = H5P_FILE_CREATE_DEFAULT; else if(TRUE != H5P_isa_class(fcpl_id, H5P_FILE_CREATE)) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, H5I_INVALID_HID, "not file create property list") /* Verify access property list and set up collective metadata if appropriate */ if(H5CX_set_apl(&fapl_id, H5P_CLS_FACC, H5I_INVALID_HID, TRUE) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTSET, H5I_INVALID_HID, "can't set access property list info") /* Adjust bit flags by turning on the creation bit and making sure that * the EXCL or TRUNC bit is set. All newly-created files are opened for * reading and writing. */ if(0 == (flags & (H5F_ACC_EXCL | H5F_ACC_TRUNC))) flags |= H5F_ACC_EXCL; /*default*/ flags |= H5F_ACC_RDWR | H5F_ACC_CREAT; /* Create a new file or truncate an existing file */ if(NULL == (new_file = H5F_open(filename, flags, fcpl_id, fapl_id))) HGOTO_ERROR(H5E_FILE, H5E_CANTOPENFILE, H5I_INVALID_HID, "unable to create file") /* Get an atom for the file */ if((ret_value = H5I_register(H5I_FILE, new_file, TRUE)) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTREGISTER, H5I_INVALID_HID, "unable to atomize file handle") /* Keep this ID in file object structure */ new_file->file_id = ret_value; done: if(ret_value < 0 && new_file && H5F_try_close(new_file, NULL) < 0) HDONE_ERROR(H5E_FILE, H5E_CANTCLOSEFILE, H5I_INVALID_HID, "problems closing file") FUNC_LEAVE_API(ret_value) } /* end H5Fcreate() */ /*------------------------------------------------------------------------- * Function: H5Fopen * * Purpose: This is the primary function for accessing existing HDF5 * files. The FLAGS argument determines whether writing to an * existing file will be allowed or not. All flags may be * combined with the bit-wise OR operator (`|') to change the * behavior of the file open call. The more complex behaviors * of a file's access are controlled through the file-access * property list. * * See Also: H5Fpublic.h for a list of possible values for FLAGS. * * Return: Success: A file ID * Failure: H5I_INVALID_HID *------------------------------------------------------------------------- */ hid_t H5Fopen(const char *filename, unsigned flags, hid_t fapl_id) { H5F_t *new_file = NULL; /* file struct for new file */ hid_t ret_value; /* Return value */ FUNC_ENTER_API(H5I_INVALID_HID) H5TRACE3("i", "*sIui", filename, flags, fapl_id); /* Check arguments */ if(!filename || !*filename) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, H5I_INVALID_HID, "invalid file name") /* Reject undefined flags (~H5F_ACC_PUBLIC_FLAGS) and the H5F_ACC_TRUNC & H5F_ACC_EXCL flags */ if((flags & ~H5F_ACC_PUBLIC_FLAGS) || (flags & H5F_ACC_TRUNC) || (flags & H5F_ACC_EXCL)) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, H5I_INVALID_HID, "invalid file open flags") /* Asking for SWMR write access on a read-only file is invalid */ if((flags & H5F_ACC_SWMR_WRITE) && 0 == (flags & H5F_ACC_RDWR)) HGOTO_ERROR(H5E_FILE, H5E_CANTOPENFILE, H5I_INVALID_HID, "SWMR write access on a file open for read-only access is not allowed") /* Asking for SWMR read access on a non-read-only file is invalid */ if((flags & H5F_ACC_SWMR_READ) && (flags & H5F_ACC_RDWR)) HGOTO_ERROR(H5E_FILE, H5E_CANTOPENFILE, H5I_INVALID_HID, "SWMR read access on a file open for read-write access is not allowed") /* Verify access property list and set up collective metadata if appropriate */ if(H5CX_set_apl(&fapl_id, H5P_CLS_FACC, H5I_INVALID_HID, TRUE) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTSET, H5I_INVALID_HID, "can't set access property list info") /* Open the file */ if(NULL == (new_file = H5F_open(filename, flags, H5P_FILE_CREATE_DEFAULT, fapl_id))) HGOTO_ERROR(H5E_FILE, H5E_CANTOPENFILE, H5I_INVALID_HID, "unable to open file") /* Get an ID for the file */ if((ret_value = H5I_register(H5I_FILE, new_file, TRUE)) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTREGISTER, H5I_INVALID_HID, "unable to atomize file handle") /* Keep this ID in file object structure */ new_file->file_id = ret_value; done: if(ret_value < 0 && new_file && H5F_try_close(new_file, NULL) < 0) HDONE_ERROR(H5E_FILE, H5E_CANTCLOSEFILE, H5I_INVALID_HID, "problems closing file") FUNC_LEAVE_API(ret_value) } /* end H5Fopen() */ /*------------------------------------------------------------------------- * Function: H5Fflush * * Purpose: Flushes all outstanding buffers of a file to disk but does * not remove them from the cache. The OBJECT_ID can be a file, * dataset, group, attribute, or named data type. * * Return: Success: Non-negative * Failure: Negative *------------------------------------------------------------------------- */ herr_t H5Fflush(hid_t object_id, H5F_scope_t scope) { H5F_t *f = NULL; /* File to flush */ H5O_loc_t *oloc = NULL; /* Object location for ID */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE2("e", "iFs", object_id, scope); switch(H5I_get_type(object_id)) { case H5I_FILE: if(NULL == (f = (H5F_t *)H5I_object(object_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid file identifier") break; case H5I_GROUP: { H5G_t *grp; if(NULL == (grp = (H5G_t *)H5I_object(object_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid group identifier") oloc = H5G_oloc(grp); } break; case H5I_DATATYPE: { H5T_t *type; if(NULL == (type = (H5T_t *)H5I_object(object_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid type identifier") oloc = H5T_oloc(type); } break; case H5I_DATASET: { H5D_t *dset; if(NULL == (dset = (H5D_t *)H5I_object(object_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid dataset identifier") oloc = H5D_oloc(dset); } break; case H5I_ATTR: { H5A_t *attr; if(NULL == (attr = (H5A_t *)H5I_object(object_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid attribute identifier") oloc = H5A_oloc(attr); } break; case H5I_UNINIT: case H5I_BADID: case H5I_DATASPACE: case H5I_REFERENCE: case H5I_VFL: case H5I_GENPROP_CLS: case H5I_GENPROP_LST: case H5I_ERROR_CLASS: case H5I_ERROR_MSG: case H5I_ERROR_STACK: case H5I_NTYPES: default: HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") } /* end switch */ if(!f) { if(!oloc) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "object is not assocated with a file") f = oloc->file; } /* end if */ if(!f) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "object is not associated with a file") /* Flush the file */ /* * Nothing to do if the file is read only. This determination is * made at the shared open(2) flags level, implying that opening a * file twice, once for read-only and once for read-write, and then * calling H5Fflush() with the read-only handle, still causes data * to be flushed. */ if(H5F_ACC_RDWR & H5F_INTENT(f)) { hid_t fapl_id = H5P_DEFAULT; /* FAPL to use */ /* Verify access property list and set up collective metadata if appropriate */ if(H5CX_set_apl(&fapl_id, H5P_CLS_FACC, object_id, TRUE) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "can't set access property list info") /* Flush other files, depending on scope */ if(H5F_SCOPE_GLOBAL == scope) { /* Call the flush routine for mounted file hierarchies */ if(H5F_flush_mounts(f) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTFLUSH, FAIL, "unable to flush mounted file hierarchy") } /* end if */ else /* Call the flush routine, for this file */ if(H5F__flush(f) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTFLUSH, FAIL, "unable to flush file's cached information") } /* end if */ done: FUNC_LEAVE_API(ret_value) } /* end H5Fflush() */ /*------------------------------------------------------------------------- * Function: H5Fclose * * Purpose: This function closes the file specified by FILE_ID by * flushing all data to storage, and terminating access to the * file through FILE_ID. If objects (e.g., datasets, groups, * etc.) are open in the file then the underlying storage is not * closed until those objects are closed; however, all data for * the file and the open objects is flushed. * * Return: Success: Non-negative * Failure: Negative *------------------------------------------------------------------------- */ herr_t H5Fclose(hid_t file_id) { herr_t ret_value = SUCCEED; FUNC_ENTER_API(FAIL) H5TRACE1("e", "i", file_id); /* Check arguments */ if(H5I_FILE != H5I_get_type(file_id)) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file ID") /* Close the file */ if(H5F__close(file_id) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTCLOSEFILE, FAIL, "closing file ID failed") done: FUNC_LEAVE_API(ret_value) } /* end H5Fclose() */ /*------------------------------------------------------------------------- * Function: H5Freopen * * Purpose: Reopen a file. The new file handle which is returned points * to the same file as the specified file handle. Both handles * share caches and other information. The only difference * between the handles is that the new handle is not mounted * anywhere and no files are mounted on it. * * Return: Success: New file ID * Failure: H5I_INVALID_HID *------------------------------------------------------------------------- */ hid_t H5Freopen(hid_t file_id) { H5F_t *old_file = NULL; H5F_t *new_file = NULL; hid_t ret_value = H5I_INVALID_HID; /* Return value */ FUNC_ENTER_API(H5I_INVALID_HID) H5TRACE1("i", "i", file_id); /* Check arguments */ if(NULL == (old_file = (H5F_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, H5I_INVALID_HID, "invalid file identifier") /* Get a new "top level" file struct, sharing the same "low level" file struct */ if(NULL == (new_file = H5F__new(old_file->shared, 0, H5P_FILE_CREATE_DEFAULT, H5P_FILE_ACCESS_DEFAULT, NULL))) HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, H5I_INVALID_HID, "unable to reopen file") /* Duplicate old file's names */ new_file->open_name = H5MM_xstrdup(old_file->open_name); new_file->actual_name = H5MM_xstrdup(old_file->actual_name); new_file->extpath = H5MM_xstrdup(old_file->extpath); if((ret_value = H5I_register(H5I_FILE, new_file, TRUE)) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTREGISTER, H5I_INVALID_HID, "unable to register an ID for file handle") /* Keep this ID in file object structure */ new_file->file_id = ret_value; done: if(ret_value < 0 && new_file) if(H5F__dest(new_file, FALSE) < 0) HDONE_ERROR(H5E_FILE, H5E_CANTCLOSEFILE, H5I_INVALID_HID, "can't close file") FUNC_LEAVE_API(ret_value) } /* end H5Freopen() */ /*------------------------------------------------------------------------- * Function: H5Fget_intent * * Purpose: Public API to retrieve the file's 'intent' flags passed * during H5Fopen() * * Return: Success: Non-negative * Failure: Negative *------------------------------------------------------------------------- */ herr_t H5Fget_intent(hid_t file_id, unsigned *intent_flags) { herr_t ret_value = SUCCEED; FUNC_ENTER_API(FAIL) H5TRACE2("e", "i*Iu", file_id, intent_flags); /* If no intent flags were passed in, exit quietly */ if(intent_flags) { H5F_t *file; /* Pointer to file structure */ /* Get the internal file structure */ if(NULL == (file = (H5F_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file") /* HDF5 uses some flags internally that users don't know about. * Simplify things for them so that they only get either H5F_ACC_RDWR * or H5F_ACC_RDONLY. */ if(H5F_INTENT(file) & H5F_ACC_RDWR) { *intent_flags = H5F_ACC_RDWR; /* Check for SWMR write access on the file */ if(H5F_INTENT(file) & H5F_ACC_SWMR_WRITE) *intent_flags |= H5F_ACC_SWMR_WRITE; } /* end if */ else { *intent_flags = H5F_ACC_RDONLY; /* Check for SWMR read access on the file */ if(H5F_INTENT(file) & H5F_ACC_SWMR_READ) *intent_flags |= H5F_ACC_SWMR_READ; } /* end else */ } /* end if */ done: FUNC_LEAVE_API(ret_value) } /* end H5Fget_intent() */ /*------------------------------------------------------------------------- * Function: H5Fget_freespace * * Purpose: Retrieves the amount of free space in the file. * * Return: Success: Amount of free space for type * Failure: -1 *------------------------------------------------------------------------- */ hssize_t H5Fget_freespace(hid_t file_id) { H5F_t *file; /* File object for file ID */ hsize_t tot_space; /* Amount of free space in the file */ hssize_t ret_value; /* Return value */ FUNC_ENTER_API((-1)) H5TRACE1("Hs", "i", file_id); /* Get the file object */ if(NULL == (file = (H5F_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, (-1), "invalid file identifier") /* Get the amount of free space in the file */ if(H5MF_get_freespace(file, &tot_space, NULL) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTGET, (-1), "unable to get file free space") ret_value = (hssize_t)tot_space; done: FUNC_LEAVE_API(ret_value) } /* end H5Fget_freespace() */ /*------------------------------------------------------------------------- * Function: H5Fget_filesize * * Purpose: Retrieves the file size of the HDF5 file. This function * is called after an existing file is opened in order * to learn the true size of the underlying file. * * Return: Success: Non-negative * Failure: Negative *------------------------------------------------------------------------- */ herr_t H5Fget_filesize(hid_t file_id, hsize_t *size) { H5F_t *file; /* File object for file ID */ haddr_t max_eof_eoa; /* Maximum of the EOA & EOF */ haddr_t base_addr; /* Base address for the file */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE2("e", "i*h", file_id, size); /* Check args */ if(NULL == (file = (H5F_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "not a file ID") /* Get the file size */ if(H5F__get_max_eof_eoa(file, &max_eof_eoa) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "unable to get file size") base_addr = H5FD_get_base_addr(file->shared->lf); if(size) *size = (hsize_t)(max_eof_eoa + base_addr); /* Convert relative base address for file to absolute address */ done: FUNC_LEAVE_API(ret_value) } /* end H5Fget_filesize() */ /*------------------------------------------------------------------------- * Function: H5Fget_file_image * * Purpose: If a buffer is provided (via the buf_ptr argument) and is * big enough (size in buf_len argument), load *buf_ptr with * an image of the open file whose ID is provided in the * file_id parameter, and return the number of bytes copied * to the buffer. * * If the buffer exists, but is too small to contain an image * of the indicated file, return a negative number. * * Finally, if no buffer is provided, return the size of the * buffer needed. This value is simply the eoa of the target * file. * * Note that any user block is skipped. * * Also note that the function may not be used on files * opened with either the split/multi file driver or the * family file driver. * * In the former case, the sparse address space makes the * get file image operation impractical, due to the size of * the image typically required. * * In the case of the family file driver, the problem is * the driver message in the super block, which will prevent * the image being opened with any driver other than the * family file driver -- which negates the purpose of the * operation. This can be fixed, but no resources for * this now. * * Return: Success: Bytes copied / number of bytes needed * Failure: -1 *------------------------------------------------------------------------- */ ssize_t H5Fget_file_image(hid_t file_id, void *buf_ptr, size_t buf_len) { H5F_t *file; /* File object for file ID */ ssize_t ret_value; /* Return value */ FUNC_ENTER_API((-1)) H5TRACE3("Zs", "i*xz", file_id, buf_ptr, buf_len); /* Check args */ if(NULL == (file = (H5F_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, (-1), "not a file ID") /* call private get_file_image function */ /* (Should not trigger raw data I/O - QAK, 2018/01/03) */ if((ret_value = H5F__get_file_image(file, buf_ptr, buf_len)) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTGET, (-1), "unable to get file image") done: FUNC_LEAVE_API(ret_value) } /* H5Fget_file_image() */ /*------------------------------------------------------------------------- * Function: H5Fget_mdc_config * * Purpose: Retrieves the current automatic cache resize configuration * from the metadata cache, and return it in *config_ptr. * * Note that the version field of *config_Ptr must be correctly * filled in by the caller. This allows us to adapt for * obsolete versions of the structure. * * Return: Success: Non-negative * Failure: Negative *------------------------------------------------------------------------- */ herr_t H5Fget_mdc_config(hid_t file_id, H5AC_cache_config_t *config_ptr) { H5F_t *file; /* File object for file ID */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE2("e", "i*x", file_id, config_ptr); /* Check args */ if(NULL == (file = (H5F_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "not a file ID") if((NULL == config_ptr) || (config_ptr->version != H5AC__CURR_CACHE_CONFIG_VERSION)) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "Bad config_ptr") /* Get the metadata cache configuration */ if(H5AC_get_cache_auto_resize_config(file->shared->cache, config_ptr) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "unable to get metadata cache configuration") done: FUNC_LEAVE_API(ret_value) } /* H5Fget_mdc_config() */ /*------------------------------------------------------------------------- * Function: H5Fset_mdc_config * * Purpose: Sets the current metadata cache automatic resize * configuration, using the contents of the instance of * H5AC_cache_config_t pointed to by config_ptr. * * Return: Success: Non-negative * Failure: Negative *------------------------------------------------------------------------- */ herr_t H5Fset_mdc_config(hid_t file_id, H5AC_cache_config_t *config_ptr) { H5F_t *file; /* File object for file ID */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE2("e", "i*x", file_id, config_ptr); /* Get the file object */ if(NULL == (file = (H5F_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid file identifier") /* Set the metadata cache configuration */ if(H5AC_set_cache_auto_resize_config(file->shared->cache, config_ptr) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "unable to set metadata cache configuration") done: FUNC_LEAVE_API(ret_value) } /* H5Fset_mdc_config() */ /*------------------------------------------------------------------------- * Function: H5Fget_mdc_hit_rate * * Purpose: Retrieves the current hit rate from the metadata cache. * This rate is the overall hit rate since the last time * the hit rate statistics were reset either manually or * automatically. * * Return: Success: Non-negative * Failure: Negative *------------------------------------------------------------------------- */ herr_t H5Fget_mdc_hit_rate(hid_t file_id, double *hit_rate_ptr) { H5F_t *file; /* File object for file ID */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE2("e", "i*d", file_id, hit_rate_ptr); /* Check args */ if(NULL == hit_rate_ptr) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "NULL hit rate pointer") if(NULL == (file = (H5F_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "not a file ID") /* Get the current hit rate */ if(H5AC_get_cache_hit_rate(file->shared->cache, hit_rate_ptr) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "unable to get MDC hit rate") done: FUNC_LEAVE_API(ret_value) } /* H5Fget_mdc_hit_rate() */ /*------------------------------------------------------------------------- * Function: H5Fget_mdc_size * * Purpose: Retrieves the maximum size, minimum clean size, current * size, and current number of entries from the metadata * cache associated with the specified file. If any of * the ptr parameters are NULL, the associated datum is * not returned. * * Return: Success: Non-negative * Failure: Negative *------------------------------------------------------------------------- */ herr_t H5Fget_mdc_size(hid_t file_id, size_t *max_size_ptr, size_t *min_clean_size_ptr, size_t *cur_size_ptr, int *cur_num_entries_ptr) { H5F_t *file; /* File object for file ID */ uint32_t cur_num_entries; herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE5("e", "i*z*z*z*Is", file_id, max_size_ptr, min_clean_size_ptr, cur_size_ptr, cur_num_entries_ptr); /* Check args */ if(NULL == (file = (H5F_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "not a file ID") /* Get the size data */ if(H5AC_get_cache_size(file->shared->cache, max_size_ptr, min_clean_size_ptr, cur_size_ptr, &cur_num_entries) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "unable to get MDC size") if(cur_num_entries_ptr != NULL) *cur_num_entries_ptr = (int)cur_num_entries; done: FUNC_LEAVE_API(ret_value) } /* H5Fget_mdc_size() */ /*------------------------------------------------------------------------- * Function: H5Freset_mdc_hit_rate_stats * * Purpose: Reset the hit rate statistic whose current value can * be obtained via the H5Fget_mdc_hit_rate() call. Note * that this statistic will also be reset once per epoch * by the automatic cache resize code if it is enabled. * * It is probably a bad idea to call this function unless * you are controlling cache size from your program instead * of using our cache size control code. * * Return: Success: Non-negative * Failure: Negative *------------------------------------------------------------------------- */ herr_t H5Freset_mdc_hit_rate_stats(hid_t file_id) { H5F_t *file; /* File object for file ID */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE1("e", "i", file_id); /* Get the file object */ if(NULL == (file = (H5F_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid file identifier") /* Reset the hit rate statistic */ if(H5AC_reset_cache_hit_rate_stats(file->shared->cache) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "can't reset cache hit rate") done: FUNC_LEAVE_API(ret_value) } /* H5Freset_mdc_hit_rate_stats() */ /*------------------------------------------------------------------------- * Function: H5Fget_name * * Purpose: Gets the name of the file to which object OBJ_ID belongs. * If 'name' is non-NULL then write up to 'size' bytes into that * buffer and always return the length of the entry name. * Otherwise `size' is ignored and the function does not store * the name, just returning the number of characters required to * store the name. If an error occurs then the buffer pointed to * by 'name' (NULL or non-NULL) is unchanged and the function * returns a negative value. * * Note: This routine returns the name that was used to open the file, * not the actual name after resolving symlinks, etc. * * Return: Success: The length of the file name * Failure: -1 *------------------------------------------------------------------------- */ ssize_t H5Fget_name(hid_t obj_id, char *name/*out*/, size_t size) { H5F_t *f; /* Top file in mount hierarchy */ size_t len; ssize_t ret_value = -1; /* Return value */ FUNC_ENTER_API((-1)) H5TRACE3("Zs", "ixz", obj_id, name, size); /* For file IDs, get the file object directly */ /* (This prevents the H5G_loc() call from returning the file pointer for * the top file in a mount hierarchy) */ if(H5I_get_type(obj_id) == H5I_FILE ) { if(NULL == (f = (H5F_t *)H5I_object(obj_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file") } /* end if */ else { H5G_loc_t loc; /* Object location */ /* Get symbol table entry */ if(H5G_loc(obj_id, &loc) < 0) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, (-1), "not a valid object ID") f = loc.oloc->file; } /* end else */ len = HDstrlen(H5F_OPEN_NAME(f)); if(name) { HDstrncpy(name, H5F_OPEN_NAME(f), MIN(len + 1,size)); if(len >= size) name[size-1]='\0'; } /* end if */ /* Set return value */ ret_value = (ssize_t)len; done: FUNC_LEAVE_API(ret_value) } /* end H5Fget_name() */ /*------------------------------------------------------------------------- * Function: H5Fget_info2 * * Purpose: Gets general information about the file, including: * 1. Get storage size for superblock extension if there is one. * 2. Get the amount of btree and heap storage for entries * in the SOHM table if there is one. * 3. The amount of free space tracked in the file. * * Return: Success: Non-negative * Failure: Negative *------------------------------------------------------------------------- */ herr_t H5Fget_info2(hid_t obj_id, H5F_info2_t *finfo) { H5F_t *f; /* Top file in mount hierarchy */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE2("e", "i*x", obj_id, finfo); /* Check args */ if(!finfo) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "file info pointer can't be NULL") /* For file IDs, get the file object directly */ /* (This prevents the H5G_loc() call from returning the file pointer for * the top file in a mount hierarchy) */ if(H5I_get_type(obj_id) == H5I_FILE ) { if(NULL == (f = (H5F_t *)H5I_object(obj_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") } /* end if */ else { H5G_loc_t loc; /* Object location */ /* Get symbol table entry */ if(H5G_loc(obj_id, &loc) < 0) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid object identifier") f = loc.oloc->file; } /* end else */ HDassert(f->shared); /* Get the file info */ if(H5F__get_info(f, finfo) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "unable to retrieve file info") done: FUNC_LEAVE_API(ret_value) } /* end H5Fget_info2() */ /*------------------------------------------------------------------------- * Function: H5Fget_metadata_read_retry_info * * Purpose: To retrieve the collection of read retries for metadata * items with checksum. * * Return: Success: Non-negative * Failure: Negative *------------------------------------------------------------------------- */ herr_t H5Fget_metadata_read_retry_info(hid_t file_id, H5F_retry_info_t *info) { H5F_t *file; /* File object for file ID */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE2("e", "i*x", file_id, info); /* Check args */ if(!info) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no info struct") /* Get the file pointer */ if(NULL == (file = (H5F_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "not a file ID") /* Get the retry info */ if(H5F__get_metadata_read_retry_info(file, info) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTRELEASE, FAIL, "can't get metadata read retry info") done: FUNC_LEAVE_API(ret_value) } /* end H5Fget_metadata_read_retry_info() */ /*------------------------------------------------------------------------- * Function: H5Fget_free_sections * * Purpose: To get free-space section information for free-space manager with * TYPE that is associated with file FILE_ID. * If SECT_INFO is null, this routine returns the total # of free-space * sections. * * Return: Success: The total # of free space sections * Failure: -1 *------------------------------------------------------------------------- */ ssize_t H5Fget_free_sections(hid_t file_id, H5F_mem_t type, size_t nsects, H5F_sect_info_t *sect_info/*out*/) { H5F_t *file; /* Top file in mount hierarchy */ ssize_t ret_value = -1; /* Return value */ FUNC_ENTER_API((-1)) H5TRACE4("Zs", "iFmzx", file_id, type, nsects, sect_info); /* Check args */ if(NULL == (file = (H5F_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, (-1), "invalid file identifier") if(sect_info && nsects == 0) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, (-1), "nsects must be > 0") /* Get the free-space section information in the file */ if((ret_value = H5MF_get_free_sections(file, type, nsects, sect_info)) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTGET, (-1), "unable to get file free sections") done: FUNC_LEAVE_API(ret_value) } /* end H5Fget_free_sections() */ /*------------------------------------------------------------------------- * Function: H5Fclear_elink_file_cache * * Purpose: Releases the external file cache associated with the * provided file, potentially closing any cached files * unless they are held open from somewhere\ else. * * Return: Success: Non-negative * Failure: Negative *------------------------------------------------------------------------- */ herr_t H5Fclear_elink_file_cache(hid_t file_id) { H5F_t *file; /* File */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE1("e", "i", file_id); /* Check args */ if(NULL == (file = (H5F_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "not a file ID") /* Release the EFC */ if(file->shared->efc) if(H5F__efc_release(file->shared->efc) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTRELEASE, FAIL, "can't release external file cache") done: FUNC_LEAVE_API(ret_value) } /* end H5Fclear_elink_file_cache() */ /*------------------------------------------------------------------------- * Function: H5Fstart_swmr_write * * Purpose: To enable SWMR writing mode for the file * * Return: Success: Non-negative * Failure: Negative *------------------------------------------------------------------------- */ herr_t H5Fstart_swmr_write(hid_t file_id) { H5F_t *file = NULL; /* File info */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE1("e", "i", file_id); /* Check args */ if(NULL == (file = (H5F_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "hid_t identifier is not a file ID") /* Set up collective metadata if appropriate */ if(H5CX_set_loc(file_id) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "can't set collective metadata read info") /* Start SWMR writing */ if(H5F__start_swmr_write(file) < 0) HGOTO_ERROR(H5E_FILE, H5E_SYSTEM, FAIL, "unable to start SWMR writing") done: FUNC_LEAVE_API(ret_value) } /* end H5Fstart_swmr_write() */ /*------------------------------------------------------------------------- * Function: H5Fstart_mdc_logging * * Purpose: Start metadata cache logging operations for a file. * - Logging must have been set up via the fapl. * * Return: Success: Non-negative * Failure: Negative *------------------------------------------------------------------------- */ herr_t H5Fstart_mdc_logging(hid_t file_id) { H5F_t *file; /* File info */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE1("e", "i", file_id); /* Sanity check */ if(NULL == (file = (H5F_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "hid_t identifier is not a file ID") /* Call mdc logging function */ if(H5C_start_logging(file->shared->cache) < 0) HGOTO_ERROR(H5E_FILE, H5E_LOGGING, FAIL, "unable to start mdc logging") done: FUNC_LEAVE_API(ret_value) } /* H5Fstart_mdc_logging() */ /*------------------------------------------------------------------------- * Function: H5Fstop_mdc_logging * * Purpose: Stop metadata cache logging operations for a file. * - Does not close the log file. * - Logging must have been set up via the fapl. * * Return: Success: Non-negative * Failure: Negative *------------------------------------------------------------------------- */ herr_t H5Fstop_mdc_logging(hid_t file_id) { H5F_t *file; /* File info */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE1("e", "i", file_id); /* Sanity check */ if(NULL == (file = (H5F_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "hid_t identifier is not a file ID") /* Call mdc logging function */ if(H5C_stop_logging(file->shared->cache) < 0) HGOTO_ERROR(H5E_FILE, H5E_LOGGING, FAIL, "unable to stop mdc logging") done: FUNC_LEAVE_API(ret_value) } /* H5Fstop_mdc_logging() */ /*------------------------------------------------------------------------- * Function: H5Fget_mdc_logging_status * * Purpose: Get the logging flags. is_enabled determines if logging was * set up via the fapl. is_currently_logging determines if * log messages are being recorded at this time. * * Return: Success: Non-negative * Failure: Negative *------------------------------------------------------------------------- */ herr_t H5Fget_mdc_logging_status(hid_t file_id, hbool_t *is_enabled, hbool_t *is_currently_logging) { H5F_t *file; /* File info */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE3("e", "i*b*b", file_id, is_enabled, is_currently_logging); /* Sanity check */ if(NULL == (file = (H5F_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "hid_t identifier is not a file ID") /* Call MDC logging function */ if(H5C_get_logging_status(file->shared->cache, is_enabled, is_currently_logging) < 0) HGOTO_ERROR(H5E_FILE, H5E_LOGGING, FAIL, "unable to get logging status") done: FUNC_LEAVE_API(ret_value) } /* H5Fget_mdc_logging_status() */ /*------------------------------------------------------------------------- * Function: H5Fset_libver_bounds * * Purpose: Set to a different low and high bounds while a file is open. * This public routine is introduced in place of * H5Fset_latest_format() starting release 1.10.2. * See explanation for H5Fset_latest_format() in H5Fdeprec.c. * * Return: Success: Non-negative * Failure: Negative *------------------------------------------------------------------------- */ herr_t H5Fset_libver_bounds(hid_t file_id, H5F_libver_t low, H5F_libver_t high) { H5F_t *f; /* File */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE3("e", "iFvFv", file_id, low, high); /* Check args */ if(NULL == (f = (H5F_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_FILE, H5E_BADVALUE, FAIL, "not a file ID") /* Set up collective metadata if appropriate */ if(H5CX_set_loc(file_id) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "can't set collective metadata read info") /* Set the library's version bounds */ if(H5F__set_libver_bounds(f, low, high) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "can't set library version bounds") done: FUNC_LEAVE_API(ret_value) } /* end H5Fset_libver_bounds() */ /*------------------------------------------------------------------------- * Function: H5Fformat_convert (Internal) * * Purpose: Downgrade the superblock version to v2 and * downgrade persistent file space to non-persistent * for 1.8 library. * * Return: Success: Non-negative * Failure: Negative *------------------------------------------------------------------------- */ herr_t H5Fformat_convert(hid_t file_id) { H5F_t *f; /* File to flush */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE1("e", "i", file_id); /* Check args */ if(H5I_FILE != H5I_get_type(file_id)) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object") /* Get file object */ if(NULL == (f = (H5F_t *)H5I_object(file_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "file_id parameter is not a valid file identifier") /* Set up collective metadata if appropriate */ if(H5CX_set_loc(file_id) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "can't set collective metadata read info") /* Convert the format */ if(H5F__format_convert(f) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTCONVERT, FAIL, "can't convert file format") done: FUNC_LEAVE_API(ret_value) } /* end H5Fformat_convert() */ /*------------------------------------------------------------------------- * Function: H5Freset_page_buffering_stats * * Purpose: Resets statistics for the page buffer layer. * * Return: Success: Non-negative * Failure: Negative *------------------------------------------------------------------------- */ herr_t H5Freset_page_buffering_stats(hid_t file_id) { H5F_t *file; /* File to reset stats on */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE1("e", "i", file_id); /* Check args */ if(NULL == (file = (H5F_t *)H5I_object(file_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid file identifier") if(NULL == file->shared->page_buf) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "page buffering not enabled on file") /* Reset the statistics */ if(H5PB_reset_stats(file->shared->page_buf) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "can't reset stats for page buffering") done: FUNC_LEAVE_API(ret_value) } /* H5Freset_page_buffering_stats() */ /*------------------------------------------------------------------------- * Function: H5Fget_page_buffering_stats * * Purpose: Retrieves statistics for the page buffer layer. * * Return: Success: Non-negative * Failure: Negative *------------------------------------------------------------------------- */ herr_t H5Fget_page_buffering_stats(hid_t file_id, unsigned accesses[2], unsigned hits[2], unsigned misses[2], unsigned evictions[2], unsigned bypasses[2]) { H5F_t *file; /* File object for file ID */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE6("e", "i*Iu*Iu*Iu*Iu*Iu", file_id, accesses, hits, misses, evictions, bypasses); /* Check args */ if(NULL == (file = (H5F_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "not a file ID") if(NULL == file->shared->page_buf) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "page buffering not enabled on file") if(NULL == accesses || NULL == hits || NULL == misses || NULL == evictions || NULL == bypasses) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "NULL input parameters for stats") /* Get the statistics */ if(H5PB_get_stats(file->shared->page_buf, accesses, hits, misses, evictions, bypasses) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "can't retrieve stats for page buffering") done: FUNC_LEAVE_API(ret_value) } /* H5Fget_page_buffering_stats() */ /*------------------------------------------------------------------------- * Function: H5Fget_mdc_image_info * * Purpose: Retrieves the image_addr and image_len for the cache image in the file. * image_addr: --base address of the on disk metadata cache image * --HADDR_UNDEF if no cache image * image_len: --size of the on disk metadata cache image * --zero if no cache image * * Return: Success: Non-negative * Failure: Negative *------------------------------------------------------------------------- */ herr_t H5Fget_mdc_image_info(hid_t file_id, haddr_t *image_addr, hsize_t *image_len) { H5F_t *file; /* File object for file ID */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE3("e", "i*a*h", file_id, image_addr, image_len); /* Check args */ if(NULL == (file = (H5F_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "hid_t identifier is not a file ID") if(NULL == image_addr || NULL == image_len) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "NULL image addr or image len") /* Go get the address and size of the cache image */ if(H5AC_get_mdc_image_info(file->shared->cache, image_addr, image_len) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "can't retrieve cache image info") done: FUNC_LEAVE_API(ret_value) } /* H5Fget_mdc_image_info() */ /*------------------------------------------------------------------------- * Function: H5Fget_eoa * * Purpose: Gets the address of the first byte after the last * allocated memory in the file. * (See H5FDget_eoa() in H5FD.c) * * Return: Success: Non-negative * Failure: Negative *------------------------------------------------------------------------- */ herr_t H5Fget_eoa(hid_t file_id, haddr_t *eoa) { H5F_t *file; /* File object for file ID */ haddr_t rel_eoa; /* Relative address of EOA */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE2("e", "i*a", file_id, eoa); /* Check args */ if(NULL == (file = (H5F_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "hid_t identifier is not a file ID") /* This public routine will work only for drivers with this feature enabled.*/ /* We might introduce a new feature flag in the future */ if(!H5F_HAS_FEATURE(file, H5FD_FEAT_SUPPORTS_SWMR_IO)) HGOTO_ERROR(H5E_FILE, H5E_BADVALUE, FAIL, "must use a SWMR-compatible VFD for this public routine") /* The real work */ if(HADDR_UNDEF == (rel_eoa = H5FD_get_eoa(file->shared->lf, H5FD_MEM_DEFAULT))) HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "get_eoa request failed") /* (Note compensating for base address subtraction in internal routine) */ if(eoa) *eoa = rel_eoa + H5FD_get_base_addr(file->shared->lf); done: FUNC_LEAVE_API(ret_value) } /* H5Fget_eoa() */ /*------------------------------------------------------------------------- * Function: H5Fincrement_filesize * * Purpose: Set the EOA for the file to the maximum of (EOA, EOF) + increment * * Return: Success: Non-negative * Failure: Negative *------------------------------------------------------------------------- */ herr_t H5Fincrement_filesize(hid_t file_id, hsize_t increment) { H5F_t *file; /* File object for file ID */ haddr_t max_eof_eoa; /* Maximum of the relative EOA & EOF */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE2("e", "ih", file_id, increment); /* Check args */ if(NULL == (file = (H5F_t *)H5I_object_verify(file_id, H5I_FILE))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "hid_t identifier is not a file ID") /* This public routine will work only for drivers with this feature enabled.*/ /* We might introduce a new feature flag in the future */ if(!H5F_HAS_FEATURE(file, H5FD_FEAT_SUPPORTS_SWMR_IO)) HGOTO_ERROR(H5E_FILE, H5E_BADVALUE, FAIL, "must use a SWMR-compatible VFD for this public routine") /* Get the maximum of EOA and EOF */ if(H5F__get_max_eof_eoa(file, &max_eof_eoa) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "file can't get max eof/eoa ") /* Set EOA to the maximum value + increment */ /* H5FD_set_eoa() will add base_addr to max_eof_eoa */ if(H5FD_set_eoa(file->shared->lf, H5FD_MEM_DEFAULT, max_eof_eoa + increment) < 0) HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "driver set_eoa request failed") done: FUNC_LEAVE_API(ret_value) } /* H5Fincrement_filesize() */ /*------------------------------------------------------------------------- * Function: H5Fget_dset_no_attrs_hint * * Purpose: Get the file-level setting to create minimized dataset object headers. * Result is stored at pointer `minimize`. * * Return: Success: Non-negative * Failure: Negative *------------------------------------------------------------------------- */ herr_t H5Fget_dset_no_attrs_hint(hid_t file_id, hbool_t *minimize) { H5F_t *file = NULL; /* File object for file ID */ herr_t ret_value = SUCCEED; FUNC_ENTER_API(FAIL) H5TRACE2("e", "i*b", file_id, minimize); if(NULL == minimize) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "out pointer 'minimize' cannot be NULL") file = (H5F_t *)H5I_object_verify(file_id, H5I_FILE); if(NULL == file) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid file identifier") *minimize = H5F_GET_MIN_DSET_OHDR(file); done: FUNC_LEAVE_API(ret_value) } /* H5Fget_dset_no_attrs_hint */ /*------------------------------------------------------------------------- * Function: H5Fset_dset_no_attrs_hint * * Purpose: Set the file-level setting to create minimized dataset object * headers. * * Return: Success: Non-negative * Failure: Negative *------------------------------------------------------------------------- */ herr_t H5Fset_dset_no_attrs_hint(hid_t file_id, hbool_t minimize) { H5F_t *file = NULL; /* File object for file ID */ herr_t ret_value = SUCCEED; FUNC_ENTER_API(FAIL) H5TRACE2("e", "ib", file_id, minimize); file = (H5F_t *)H5I_object_verify(file_id, H5I_FILE); if(NULL == file) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid file identifier") H5F_SET_MIN_DSET_OHDR(file, minimize); done: FUNC_LEAVE_API(ret_value) } /* H5Fset_dset_no_attrs_hint */