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authorJacob Smith <jake.smith@hdfgroup.org>2018-12-27 18:33:32 (GMT)
committerJacob Smith <jake.smith@hdfgroup.org>2018-12-27 18:33:32 (GMT)
commit29497cc4e1cfaaf0bce7d1234fdd0b847f4194b6 (patch)
treec5135a8c18eec92e05d1189f7c8de7ad2efdb794 /src/H5VLnative_file.c
parentb2afa88fa0c17026d52f582cc052bd40a8cd8e59 (diff)
parent1cc890e333a2563195eeea6154fd921221c3c439 (diff)
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Merge branch 'develop' into dset_ohdr_minimize
Diffstat (limited to 'src/H5VLnative_file.c')
-rw-r--r--src/H5VLnative_file.c830
1 files changed, 830 insertions, 0 deletions
diff --git a/src/H5VLnative_file.c b/src/H5VLnative_file.c
new file mode 100644
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+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Copyright by The HDF Group. *
+ * 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. *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/*
+ * Purpose: File callbacks for the native VOL connector
+ *
+ */
+
+#define H5F_FRIEND /* Suppress error about including H5Fpkg */
+
+#include "H5private.h" /* Generic Functions */
+#include "H5ACprivate.h" /* Metadata cache */
+#include "H5Cprivate.h" /* Cache */
+#include "H5Eprivate.h" /* Error handling */
+#include "H5Fpkg.h" /* Files */
+#include "H5Gprivate.h" /* Groups */
+#include "H5Iprivate.h" /* IDs */
+#include "H5MFprivate.h" /* File memory management */
+#include "H5Pprivate.h" /* Property lists */
+#include "H5PBprivate.h" /* Page buffering */
+#include "H5VLprivate.h" /* Virtual Object Layer */
+
+#include "H5VLnative_private.h" /* Native VOL connector */
+
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5VL__native_file_create
+ *
+ * Purpose: Handles the file create callback
+ *
+ * Return: Success: file pointer
+ * Failure: NULL
+ *
+ *-------------------------------------------------------------------------
+ */
+void *
+H5VL__native_file_create(const char *name, unsigned flags, hid_t fcpl_id, hid_t fapl_id,
+ hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req)
+{
+ H5F_t *new_file = NULL;
+ void *ret_value = NULL;
+
+ FUNC_ENTER_PACKAGE
+
+ /* 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 the file */
+ if(NULL == (new_file = H5F_open(name, flags, fcpl_id, fapl_id)))
+ HGOTO_ERROR(H5E_FILE, H5E_CANTOPENFILE, NULL, "unable to create file")
+ new_file->id_exists = TRUE;
+
+ ret_value = (void *)new_file;
+
+done:
+ if(NULL == ret_value && new_file)
+ if(H5F__close(new_file) < 0)
+ HDONE_ERROR(H5E_FILE, H5E_CANTCLOSEFILE, NULL, "problems closing file")
+
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5VL__native_file_create() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5VL__native_file_open
+ *
+ * Purpose: Handles the file open callback
+ *
+ * Return: Success: file pointer
+ * Failure: NULL
+ *
+ *-------------------------------------------------------------------------
+ */
+void *
+H5VL__native_file_open(const char *name, unsigned flags, hid_t fapl_id,
+ hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req)
+{
+ H5F_t *new_file = NULL;
+ void *ret_value = NULL;
+
+ FUNC_ENTER_PACKAGE
+
+ /* Open the file */
+ if(NULL == (new_file = H5F_open(name, flags, H5P_FILE_CREATE_DEFAULT, fapl_id)))
+ HGOTO_ERROR(H5E_FILE, H5E_CANTOPENFILE, NULL, "unable to open file")
+ new_file->id_exists = TRUE;
+
+ ret_value = (void *)new_file;
+
+done:
+ if(NULL == ret_value && new_file && H5F_try_close(new_file, NULL) < 0)
+ HDONE_ERROR(H5E_FILE, H5E_CANTCLOSEFILE, NULL, "problems closing file")
+
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5VL__native_file_open() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5VL__native_file_get
+ *
+ * Purpose: Handles the file get callback
+ *
+ * Return: SUCCEED/FAIL
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5VL__native_file_get(void *obj, H5VL_file_get_t get_type,
+ hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req, va_list arguments)
+{
+ H5F_t *f = NULL; /* File struct */
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_PACKAGE
+
+ switch(get_type) {
+ /* H5Fget_access_plist */
+ case H5VL_FILE_GET_FAPL:
+ {
+ H5P_genplist_t *new_plist; /* New property list */
+ hid_t *plist_id = HDva_arg(arguments, hid_t *);
+
+ f = (H5F_t *)obj;
+
+ /* Retrieve the file's access property list */
+ if((*plist_id = H5F_get_access_plist(f, TRUE)) < 0)
+ HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get file access property list")
+
+ if(NULL == (new_plist = (H5P_genplist_t *)H5I_object(*plist_id)))
+ HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a property list")
+ break;
+ }
+
+ /* H5Fget_create_plist */
+ case H5VL_FILE_GET_FCPL:
+ {
+ H5P_genplist_t *plist; /* Property list */
+ hid_t *plist_id = HDva_arg(arguments, hid_t *);
+
+ f = (H5F_t *)obj;
+ if(NULL == (plist = (H5P_genplist_t *)H5I_object(f->shared->fcpl_id)))
+ HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a property list")
+
+ /* Create the property list object to return */
+ if((*plist_id = H5P_copy_plist(plist, TRUE)) < 0)
+ HGOTO_ERROR(H5E_PLIST, H5E_CANTINIT, FAIL, "unable to copy file creation properties")
+
+ break;
+ }
+
+ /* H5Fget_obj_count */
+ case H5VL_FILE_GET_OBJ_COUNT:
+ {
+ unsigned types = HDva_arg(arguments, unsigned);
+ ssize_t *ret = HDva_arg(arguments, ssize_t *);
+ size_t obj_count = 0; /* Number of opened objects */
+
+ f = (H5F_t *)obj;
+ /* Perform the query */
+ if(H5F_get_obj_count(f, types, TRUE, &obj_count) < 0)
+ HGOTO_ERROR(H5E_FILE, H5E_BADITER, FAIL, "H5F_get_obj_count failed")
+
+ /* Set the return value */
+ *ret = (ssize_t)obj_count;
+ break;
+ }
+
+ /* H5Fget_obj_ids */
+ case H5VL_FILE_GET_OBJ_IDS:
+ {
+ unsigned types = HDva_arg(arguments, unsigned);
+ size_t max_objs = HDva_arg(arguments, size_t);
+ hid_t *oid_list = HDva_arg(arguments, hid_t *);
+ ssize_t *ret = HDva_arg(arguments, ssize_t *);
+ size_t obj_count = 0; /* Number of opened objects */
+
+ f = (H5F_t *)obj;
+ /* Perform the query */
+ if(H5F_get_obj_ids(f, types, max_objs, oid_list, TRUE, &obj_count) < 0)
+ HGOTO_ERROR(H5E_FILE, H5E_BADITER, FAIL, "H5F_get_obj_ids failed")
+
+ /* Set the return value */
+ *ret = (ssize_t)obj_count;
+ break;
+ }
+
+ /* H5Fget_intent */
+ case H5VL_FILE_GET_INTENT:
+ {
+ unsigned *intent_flags = HDva_arg(arguments, unsigned *);
+
+ f = (H5F_t *)obj;
+
+ /* 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 and any SWMR flags.
+ */
+ if(H5F_INTENT(f) & H5F_ACC_RDWR) {
+ *intent_flags = H5F_ACC_RDWR;
+
+ /* Check for SWMR write access on the file */
+ if(H5F_INTENT(f) & 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(f) & H5F_ACC_SWMR_READ)
+ *intent_flags |= H5F_ACC_SWMR_READ;
+ } /* end else */
+
+ break;
+ }
+
+ /* H5Fget_name */
+ case H5VL_FILE_GET_NAME:
+ {
+ H5I_type_t type = (H5I_type_t)HDva_arg(arguments, int); /* enum work-around */
+ size_t size = HDva_arg(arguments, size_t);
+ char *name = HDva_arg(arguments, char *);
+ ssize_t *ret = HDva_arg(arguments, ssize_t *);
+ size_t len;
+
+ if(NULL == (f = H5F__get_file(obj, type)))
+ HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object")
+
+ 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 the return value for the API call */
+ *ret = (ssize_t)len;
+ break;
+ }
+
+ default:
+ HGOTO_ERROR(H5E_VOL, H5E_CANTGET, FAIL, "can't get this type of information")
+ } /* end switch */
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5VL__native_file_get() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5VL__native_file_specific
+ *
+ * Purpose: Handles the file specific callback
+ *
+ * Return: SUCCEED/FAIL
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5VL__native_file_specific(void *obj, H5VL_file_specific_t specific_type,
+ hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req, va_list arguments)
+{
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_PACKAGE
+
+ switch(specific_type) {
+ /* H5Fflush */
+ case H5VL_FILE_FLUSH:
+ {
+ H5I_type_t type = (H5I_type_t)HDva_arg(arguments, int); /* enum work-around */
+ H5F_scope_t scope = (H5F_scope_t)HDva_arg(arguments, int); /* enum work-around */
+ H5F_t *f = NULL; /* File to flush */
+
+ /* Get the file for the object */
+ if(NULL == (f = H5F__get_file(obj, type)))
+ HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object")
+
+ /* 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)) {
+ /* 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 else */
+ } /* end if */
+ break;
+ }
+
+ /* H5Freopen */
+ case H5VL_FILE_REOPEN:
+ {
+ void **ret = HDva_arg(arguments, void **);
+ H5F_t *new_file = NULL;
+
+ /* Reopen the file through the VOL connector */
+ if(NULL == (new_file = H5F__reopen((H5F_t *)obj)))
+ HGOTO_ERROR(H5E_FILE, H5E_CANTINIT, FAIL, "unable to reopen file")
+ new_file->id_exists = TRUE;
+
+ *ret = (void *)new_file;
+ break;
+ }
+
+ /* H5Fmount */
+ case H5VL_FILE_MOUNT:
+ {
+ H5I_type_t type = (H5I_type_t)HDva_arg(arguments, int); /* enum work-around */
+ const char *name = HDva_arg(arguments, const char *);
+ H5F_t *child = HDva_arg(arguments, H5F_t *);
+ hid_t plist_id = HDva_arg(arguments, hid_t);
+ H5G_loc_t loc;
+
+ if(H5G_loc_real(obj, type, &loc) < 0)
+ HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object")
+
+ /* Do the mount */
+ if(H5F__mount(&loc, name, child, plist_id) < 0)
+ HGOTO_ERROR(H5E_FILE, H5E_MOUNT, FAIL, "unable to mount file")
+
+ break;
+ }
+
+ /* H5Funmount */
+ case H5VL_FILE_UNMOUNT:
+ {
+ H5I_type_t type = (H5I_type_t)HDva_arg(arguments, int); /* enum work-around */
+ const char *name = HDva_arg(arguments, const char *);
+ H5G_loc_t loc;
+
+ if(H5G_loc_real(obj, type, &loc) < 0)
+ HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file or file object")
+
+ /* Unmount */
+ if(H5F__unmount(&loc, name) < 0)
+ HGOTO_ERROR(H5E_FILE, H5E_MOUNT, FAIL, "unable to unmount file")
+
+ break;
+ }
+
+ /* H5Fis_accessible */
+ case H5VL_FILE_IS_ACCESSIBLE:
+ {
+ hid_t fapl_id = HDva_arg(arguments, hid_t);
+ const char *name = HDva_arg(arguments, const char *);
+ htri_t *ret = HDva_arg(arguments, htri_t *);
+
+ /* Call private routine */
+ if((*ret = H5F__is_hdf5(name, fapl_id)) < 0)
+ HGOTO_ERROR(H5E_IO, H5E_CANTINIT, FAIL, "error in HDF5 file check")
+ break;
+ }
+
+
+
+ default:
+ HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "invalid specific operation")
+ } /* end switch */
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5VL__native_file_specific() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5VL__native_file_optional
+ *
+ * Purpose: Handles the file optional callback
+ *
+ * Return: SUCCEED/FAIL
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5VL__native_file_optional(void *obj, hid_t H5_ATTR_UNUSED dxpl_id, void H5_ATTR_UNUSED **req, va_list arguments)
+{
+ H5F_t *f = NULL; /* File */
+ H5VL_native_file_optional_t optional_type = HDva_arg(arguments, H5VL_native_file_optional_t);
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_PACKAGE
+
+ f = (H5F_t *)obj;
+ switch(optional_type) {
+ /* H5Fget_filesize */
+ case H5VL_NATIVE_FILE_GET_SIZE:
+ {
+ haddr_t max_eof_eoa; /* Maximum of the EOA & EOF */
+ haddr_t base_addr; /* Base address for the file */
+ hsize_t *size = HDva_arg(arguments, hsize_t *);
+
+ /* Go get the actual file size */
+ if(H5F__get_max_eof_eoa(f, &max_eof_eoa) < 0)
+ HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "file can't get max eof/eoa ")
+
+ base_addr = H5FD_get_base_addr(f->shared->lf);
+
+ if(size)
+ *size = (hsize_t)(max_eof_eoa + base_addr); /* Convert relative base address for file to absolute address */
+
+ break;
+ }
+
+ /* H5Fget_file_image */
+ case H5VL_NATIVE_FILE_GET_FILE_IMAGE:
+ {
+ void *buf_ptr = HDva_arg(arguments, void *);
+ ssize_t *ret = HDva_arg(arguments, ssize_t *);
+ size_t buf_len = HDva_arg(arguments, size_t );
+
+ /* Do the actual work */
+ if((*ret = H5F__get_file_image(f, buf_ptr, buf_len)) < 0)
+ HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "get file image failed")
+ break;
+ }
+
+ /* H5Fget_freespace */
+ case H5VL_NATIVE_FILE_GET_FREE_SPACE:
+ {
+ hsize_t tot_space; /* Amount of free space in the file */
+ hssize_t *ret = HDva_arg(arguments, hssize_t *);
+
+ /* Go get the actual amount of free space in the file */
+ if(H5MF_get_freespace(f, &tot_space, NULL) < 0)
+ HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "unable to check free space for file")
+ *ret = (hssize_t)tot_space;
+ break;
+ }
+
+ /* H5Fget_free_sections */
+ case H5VL_NATIVE_FILE_GET_FREE_SECTIONS:
+ {
+ H5F_sect_info_t *sect_info = HDva_arg(arguments, H5F_sect_info_t *);
+ ssize_t *ret = HDva_arg(arguments, ssize_t *);
+ H5F_mem_t type = (H5F_mem_t)HDva_arg(arguments, int); /* enum work-around */
+ size_t nsects = HDva_arg(arguments, size_t);
+
+ /* Go get the free-space section information in the file */
+ if((*ret = H5MF_get_free_sections(f, type, nsects, sect_info)) < 0)
+ HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "unable to check free space for file")
+ break;
+ }
+
+ /* H5Fget_info1/2 */
+ case H5VL_NATIVE_FILE_GET_INFO:
+ {
+ H5I_type_t type = (H5I_type_t)HDva_arg(arguments, int); /* enum work-around */
+ H5F_info2_t *finfo = HDva_arg(arguments, H5F_info2_t *);
+
+ /* Get the file struct. This call is careful to not return the file pointer
+ * for the top file in a mount hierarchy.
+ */
+ if(NULL == (f = H5F__get_file(obj, type)))
+ HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "could not get a file struct")
+
+ /* Get the file info */
+ if(H5F__get_info(f, finfo) < 0)
+ HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "unable to retrieve file info")
+
+ break;
+ }
+
+ /* H5Fget_mdc_config */
+ case H5VL_NATIVE_FILE_GET_MDC_CONF:
+ {
+ H5AC_cache_config_t *config_ptr = HDva_arg(arguments, H5AC_cache_config_t *);
+
+ /* Go get the resize configuration */
+ if(H5AC_get_cache_auto_resize_config(f->shared->cache, config_ptr) < 0)
+ HGOTO_ERROR(H5E_CACHE, H5E_SYSTEM, FAIL, "H5AC_get_cache_auto_resize_config() failed.")
+ break;
+ }
+
+ /* H5Fget_mdc_hit_rate */
+ case H5VL_NATIVE_FILE_GET_MDC_HR:
+ {
+ double *hit_rate_ptr = HDva_arg(arguments, double *);
+
+ /* Go get the current hit rate */
+ if(H5AC_get_cache_hit_rate(f->shared->cache, hit_rate_ptr) < 0)
+ HGOTO_ERROR(H5E_CACHE, H5E_SYSTEM, FAIL, "H5AC_get_cache_hit_rate() failed.")
+ break;
+ }
+
+ /* H5Fget_mdc_size */
+ case H5VL_NATIVE_FILE_GET_MDC_SIZE:
+ {
+ size_t *max_size_ptr = HDva_arg(arguments, size_t *);
+ size_t *min_clean_size_ptr = HDva_arg(arguments, size_t *);
+ size_t *cur_size_ptr = HDva_arg(arguments, size_t *);
+ int *cur_num_entries_ptr = HDva_arg(arguments, int *);
+ uint32_t cur_num_entries;
+
+ /* Go get the size data */
+ if(H5AC_get_cache_size(f->shared->cache, max_size_ptr, min_clean_size_ptr,
+ cur_size_ptr, &cur_num_entries) < 0)
+ HGOTO_ERROR(H5E_CACHE, H5E_SYSTEM, FAIL, "H5AC_get_cache_size() failed.")
+
+ if(cur_num_entries_ptr != NULL)
+ *cur_num_entries_ptr = (int)cur_num_entries;
+ break;
+ }
+
+ /* H5Fget_vfd_handle */
+ case H5VL_NATIVE_FILE_GET_VFD_HANDLE:
+ {
+ void **file_handle = HDva_arg(arguments, void **);
+ hid_t fapl_id = HDva_arg(arguments, hid_t);
+
+ /* Retrieve the VFD handle for the file */
+ if(H5F_get_vfd_handle(f, fapl_id, file_handle) < 0)
+ HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "can't retrieve VFD handle")
+ break;
+ }
+
+ /* H5Iget_file_id */
+ case H5VL_NATIVE_FILE_GET_FILE_ID:
+ {
+ H5I_type_t type = (H5I_type_t)HDva_arg(arguments, int); /* enum work-around */
+ hid_t *file_id = HDva_arg(arguments, hid_t *);
+
+ if(NULL == (f = H5F__get_file(obj, type)))
+ HGOTO_ERROR(H5E_FILE, H5E_BADTYPE, FAIL, "not a file or file object")
+ if((*file_id = H5F__get_file_id(f)) < 0)
+ HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "can't get file ID")
+ break;
+ }
+
+ /* H5Fclear_elink_file_cache */
+ case H5VL_NATIVE_FILE_CLEAR_ELINK_CACHE:
+ {
+ /* Release the EFC */
+ if(f->shared->efc)
+ if(H5F__efc_release(f->shared->efc) < 0)
+ HGOTO_ERROR(H5E_FILE, H5E_CANTRELEASE, FAIL, "can't release external file cache")
+ break;
+ }
+
+ /* H5Freset_mdc_hit_rate_stats */
+ case H5VL_NATIVE_FILE_RESET_MDC_HIT_RATE:
+ {
+ /* Reset the hit rate statistic */
+ if(H5AC_reset_cache_hit_rate_stats(f->shared->cache) < 0)
+ HGOTO_ERROR(H5E_CACHE, H5E_SYSTEM, FAIL, "can't reset cache hit rate")
+ break;
+ }
+
+ /* H5Fset_mdc_config */
+ case H5VL_NATIVE_FILE_SET_MDC_CONFIG:
+ {
+ H5AC_cache_config_t *config_ptr = HDva_arg(arguments, H5AC_cache_config_t *);
+
+ /* set the resize configuration */
+ if(H5AC_set_cache_auto_resize_config(f->shared->cache, config_ptr) < 0)
+ HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "H5AC_set_cache_auto_resize_config() failed")
+ break;
+ }
+
+ /* H5Fget_metadata_read_retry_info */
+ case H5VL_NATIVE_FILE_GET_METADATA_READ_RETRY_INFO:
+ {
+ H5F_retry_info_t *info = HDva_arg(arguments, H5F_retry_info_t *);
+
+ if(H5F_get_metadata_read_retry_info(f, info) < 0)
+ HGOTO_ERROR(H5E_CACHE, H5E_SYSTEM, FAIL, "can't get metadata read retry info")
+
+ break;
+ }
+
+ /* H5Fstart_swmr_write */
+ case H5VL_NATIVE_FILE_START_SWMR_WRITE:
+ {
+ if(H5F__start_swmr_write(f) < 0)
+ HGOTO_ERROR(H5E_CACHE, H5E_SYSTEM, FAIL, "can't start SWMR write")
+
+ break;
+ }
+
+ /* H5Fstart_mdc_logging */
+ case H5VL_NATIVE_FILE_START_MDC_LOGGING:
+ {
+ /* Call mdc logging function */
+ if(H5C_start_logging(f->shared->cache) < 0)
+ HGOTO_ERROR(H5E_FILE, H5E_LOGFAIL, FAIL, "unable to start mdc logging")
+
+ break;
+ }
+
+ /* H5Fstop_mdc_logging */
+ case H5VL_NATIVE_FILE_STOP_MDC_LOGGING:
+ {
+ /* Call mdc logging function */
+ if(H5C_stop_logging(f->shared->cache) < 0)
+ HGOTO_ERROR(H5E_FILE, H5E_LOGFAIL, FAIL, "unable to stop mdc logging")
+
+ break;
+ }
+
+ /* H5Fget_mdc_logging_status */
+ case H5VL_NATIVE_FILE_GET_MDC_LOGGING_STATUS:
+ {
+ hbool_t *is_enabled = HDva_arg(arguments, hbool_t *);
+ hbool_t *is_currently_logging = HDva_arg(arguments, hbool_t *);
+
+ /* Call mdc logging function */
+ if(H5C_get_logging_status(f->shared->cache, is_enabled, is_currently_logging) < 0)
+ HGOTO_ERROR(H5E_FILE, H5E_LOGFAIL, FAIL, "unable to get logging status")
+
+ break;
+ }
+
+ /* H5Fformat_convert */
+ case H5VL_NATIVE_FILE_FORMAT_CONVERT:
+ {
+ /* Convert the format */
+ if(H5F__format_convert(f) < 0)
+ HGOTO_ERROR(H5E_FILE, H5E_CANTCONVERT, FAIL, "can't convert file format")
+
+ break;
+ }
+
+ /* H5Freset_page_buffering_stats */
+ case H5VL_NATIVE_FILE_RESET_PAGE_BUFFERING_STATS:
+ {
+ /* Sanity check */
+ if(NULL == f->shared->page_buf)
+ HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "page buffering not enabled on file")
+
+ /* Reset the statistics */
+ if(H5PB_reset_stats(f->shared->page_buf) < 0)
+ HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "can't reset stats for page buffering")
+
+ break;
+ }
+
+ /* H5Fget_page_buffering_stats */
+ case H5VL_NATIVE_FILE_GET_PAGE_BUFFERING_STATS:
+ {
+ unsigned *accesses = HDva_arg(arguments, unsigned *);
+ unsigned *hits = HDva_arg(arguments, unsigned *);
+ unsigned *misses = HDva_arg(arguments, unsigned *);
+ unsigned *evictions = HDva_arg(arguments, unsigned *);
+ unsigned *bypasses = HDva_arg(arguments, unsigned *);
+
+ /* Sanity check */
+ if(NULL == f->shared->page_buf)
+ HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "page buffering not enabled on file")
+
+ /* Get the statistics */
+ if(H5PB_get_stats(f->shared->page_buf, accesses, hits, misses, evictions, bypasses) < 0)
+ HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "can't retrieve stats for page buffering")
+
+ break;
+ }
+
+ /* H5Fget_mdc_image_info */
+ case H5VL_NATIVE_FILE_GET_MDC_IMAGE_INFO:
+ {
+ haddr_t *image_addr = HDva_arg(arguments, haddr_t *);
+ hsize_t *image_len = HDva_arg(arguments, hsize_t *);
+
+ /* Go get the address and size of the cache image */
+ if(H5AC_get_mdc_image_info(f->shared->cache, image_addr, image_len) < 0)
+ HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "can't retrieve cache image info")
+
+ break;
+ }
+
+ /* H5Fget_eoa */
+ case H5VL_NATIVE_FILE_GET_EOA:
+ {
+ haddr_t *eoa = HDva_arg(arguments, haddr_t *);
+ haddr_t rel_eoa; /* Relative address of EOA */
+
+ /* Sanity check */
+ HDassert(eoa);
+
+ /* This routine will work only for drivers with this feature enabled.*/
+ /* We might introduce a new feature flag in the future */
+ if(!H5F_HAS_FEATURE(f, 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 = H5F_get_eoa(f, H5FD_MEM_DEFAULT)))
+ HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "get_eoa request failed")
+
+ /* Set return value */
+ /* (Note compensating for base address subtraction in internal routine) */
+ *eoa = rel_eoa + H5F_get_base_addr(f);
+
+ break;
+ }
+
+ /* H5Fincrement_filesize */
+ case H5VL_NATIVE_FILE_INCR_FILESIZE:
+ {
+ hsize_t increment = HDva_arg(arguments, hsize_t);
+ haddr_t max_eof_eoa; /* Maximum of the relative EOA & EOF */
+
+ /* 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(f, 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(f, &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 */
+ if(H5F__set_eoa(f, H5FD_MEM_DEFAULT, max_eof_eoa + increment) < 0)
+ HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "driver set_eoa request failed")
+
+ break;
+ }
+
+ /* H5Fset_latest_format, H5Fset_libver_bounds */
+ case H5VL_NATIVE_FILE_SET_LIBVER_BOUNDS:
+ {
+ H5F_libver_t low = (H5F_libver_t)HDva_arg(arguments, int); /* enum work-around */
+ H5F_libver_t high = (H5F_libver_t)HDva_arg(arguments, int); /* enum work-around */
+
+ /* Call internal set_libver_bounds function */
+ if(H5F__set_libver_bounds(f, low, high) < 0)
+ HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "cannot set low/high bounds")
+
+ break;
+ }
+
+ /* H5Fget_dset_no_attrs_hint */
+ case H5VL_NATIVE_FILE_GET_MIN_DSET_OHDR_FLAG:
+ {
+ hbool_t *minimize = va_arg(arguments, hbool_t *);
+ *minimize = H5F_GET_MIN_DSET_OHDR(f);
+ break;
+ }
+
+ /* H5Fset_dset_no_attrs_hint */
+ case H5VL_NATIVE_FILE_SET_MIN_DSET_OHDR_FLAG:
+ {
+ int minimize = va_arg(arguments, int);
+ if(H5F_set_min_dset_ohdr(f, (hbool_t)minimize) < 0)
+ HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "cannot set file's dataset object header minimization flag")
+ break;
+ }
+
+ default:
+ HGOTO_ERROR(H5E_VOL, H5E_UNSUPPORTED, FAIL, "invalid optional operation")
+ } /* end switch */
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5VL__native_file_optional() */
+
+
+/*-------------------------------------------------------------------------
+ * Function: H5VL__native_file_close
+ *
+ * Purpose: Handles the file close callback
+ *
+ * Return: Success: SUCCEED
+ * Failure: FAIL (file will not be closed)
+ *
+ *-------------------------------------------------------------------------
+ */
+herr_t
+H5VL__native_file_close(void *file, hid_t H5_ATTR_UNUSED dxpl_id,
+ void H5_ATTR_UNUSED **req)
+{
+ int nref;
+ H5F_t *f = (H5F_t *)file;
+ hid_t file_id = H5I_INVALID_HID;
+ herr_t ret_value = SUCCEED; /* Return value */
+
+ FUNC_ENTER_PACKAGE
+
+ /* This routine should only be called when a file ID's ref count drops to zero */
+ HDassert(H5F_ID_EXISTS(f));
+
+ /* Flush file if this is the last reference to this id and we have write
+ * intent, unless it will be flushed by the "shared" file being closed.
+ * This is only necessary to replicate previous behaviour, and could be
+ * disabled by an option/property to improve performance.
+ */
+ if((H5F_NREFS(f) > 1) && (H5F_INTENT(f) & H5F_ACC_RDWR)) {
+ /* Get the file ID corresponding to the H5F_t struct */
+ if(H5I_find_id(f, H5I_FILE, &file_id) < 0 || H5I_INVALID_HID == file_id)
+ HGOTO_ERROR(H5E_ATOM, H5E_CANTGET, FAIL, "invalid atom")
+
+ /* Get the number of references outstanding for this file ID */
+ if((nref = H5I_get_ref(file_id, FALSE)) < 0)
+ HGOTO_ERROR(H5E_ATOM, H5E_CANTGET, FAIL, "can't get ID ref count")
+ if(nref == 1)
+ if(H5F__flush(f) < 0)
+ HGOTO_ERROR(H5E_CACHE, H5E_CANTFLUSH, FAIL, "unable to flush cache")
+ } /* end if */
+
+ /* Close the file */
+ if(H5F__close(f) < 0)
+ HGOTO_ERROR(H5E_FILE, H5E_CANTDEC, FAIL, "can't close file")
+
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
+} /* end H5VL__native_file_close() */
+