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Diffstat (limited to 'src/H5VLnative_file.c')
| -rw-r--r-- | src/H5VLnative_file.c | 830 |
1 files changed, 830 insertions, 0 deletions
diff --git a/src/H5VLnative_file.c b/src/H5VLnative_file.c new file mode 100644 index 0000000..e7f27e1 --- /dev/null +++ b/src/H5VLnative_file.c @@ -0,0 +1,830 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * 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_LOGGING, 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_LOGGING, 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_LOGGING, 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() */ + |