diff options
Diffstat (limited to 'src/H5FDsplitter.c')
| -rw-r--r-- | src/H5FDsplitter.c | 355 |
1 files changed, 293 insertions, 62 deletions
diff --git a/src/H5FDsplitter.c b/src/H5FDsplitter.c index b178b5b..3e03c9f 100644 --- a/src/H5FDsplitter.c +++ b/src/H5FDsplitter.c @@ -104,6 +104,10 @@ static int H5FD__copy_plist(hid_t fapl_id, hid_t *id_out_ptr); /* Prototypes */ static herr_t H5FD__splitter_term(void); +static herr_t H5FD__splitter_populate_config(H5FD_splitter_vfd_config_t *vfd_config, + H5FD_splitter_fapl_t * fapl_out); +static herr_t H5FD__splitter_get_default_wo_path(char *new_path, size_t new_path_len, + const char *base_filename); static hsize_t H5FD__splitter_sb_size(H5FD_t *_file); static herr_t H5FD__splitter_sb_encode(H5FD_t *_file, char *name /*out*/, unsigned char *buf /*out*/); static herr_t H5FD__splitter_sb_decode(H5FD_t *_file, const char *name, const unsigned char *buf); @@ -129,10 +133,12 @@ static herr_t H5FD__splitter_flush(H5FD_t *_file, hid_t dxpl_id, hbool_t closin static herr_t H5FD__splitter_truncate(H5FD_t *_file, hid_t dxpl_id, hbool_t closing); static herr_t H5FD__splitter_lock(H5FD_t *_file, hbool_t rw); static herr_t H5FD__splitter_unlock(H5FD_t *_file); +static herr_t H5FD__splitter_delete(const char *filename, hid_t fapl_id); static herr_t H5FD__splitter_ctl(H5FD_t *_file, uint64_t op_code, uint64_t flags, const void *input, void **output); static const H5FD_class_t H5FD_splitter_g = { + H5FD_SPLITTER_VALUE, /* value */ "splitter", /* name */ MAXADDR, /* maxaddr */ H5F_CLOSE_WEAK, /* fc_degree */ @@ -140,7 +146,7 @@ static const H5FD_class_t H5FD_splitter_g = { H5FD__splitter_sb_size, /* sb_size */ H5FD__splitter_sb_encode, /* sb_encode */ H5FD__splitter_sb_decode, /* sb_decode */ - sizeof(H5FD_splitter_fapl_t), /* fapl_size */ + sizeof(H5FD_splitter_fapl_t), /* fapl_size */ H5FD__splitter_fapl_get, /* fapl_get */ H5FD__splitter_fapl_copy, /* fapl_copy */ H5FD__splitter_fapl_free, /* fapl_free */ @@ -151,7 +157,7 @@ static const H5FD_class_t H5FD_splitter_g = { H5FD__splitter_close, /* close */ H5FD__splitter_cmp, /* cmp */ H5FD__splitter_query, /* query */ - H5FD__splitter_get_type_map, /* get_type_map */ + H5FD__splitter_get_type_map, /* get_type_map */ H5FD__splitter_alloc, /* alloc */ H5FD__splitter_free, /* free */ H5FD__splitter_get_eoa, /* get_eoa */ @@ -168,7 +174,7 @@ static const H5FD_class_t H5FD_splitter_g = { H5FD__splitter_truncate, /* truncate */ H5FD__splitter_lock, /* lock */ H5FD__splitter_unlock, /* unlock */ - NULL, /* del */ + H5FD__splitter_delete, /* del */ H5FD__splitter_ctl, /* ctl */ H5FD_FLMAP_DICHOTOMY /* fl_map */ }; @@ -316,57 +322,14 @@ H5Pset_fapl_splitter(hid_t fapl_id, H5FD_splitter_vfd_config_t *vfd_config) if (NULL == (plist_ptr = (H5P_genplist_t *)H5I_object(fapl_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a valid property list") - /* Make sure that the W/O channel supports write-only capability. - * Some drivers (e.g. family or multi) do revision of the superblock - * in-memory, causing problems in that channel. - * Uses the feature flag H5FD_FEAT_DEFAULT_VFD_COMPATIBLE as the - * determining attribute. - */ - if (H5P_DEFAULT != vfd_config->wo_fapl_id) { - H5FD_class_t * wo_driver = NULL; - H5FD_driver_prop_t wo_driver_prop; - H5P_genplist_t * wo_plist_ptr = NULL; - unsigned long wo_driver_flags = 0; - - wo_plist_ptr = (H5P_genplist_t *)H5I_object(vfd_config->wo_fapl_id); - if (NULL == wo_plist_ptr) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file access property list") - if (H5P_peek(wo_plist_ptr, H5F_ACS_FILE_DRV_NAME, &wo_driver_prop) < 0) - HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get driver ID & info") - wo_driver = (H5FD_class_t *)H5I_object(wo_driver_prop.driver_id); - if (NULL == wo_driver) - HGOTO_ERROR(H5E_VFL, H5E_BADVALUE, FAIL, "invalid driver ID in file access property list") - if (H5FD_driver_query(wo_driver, &wo_driver_flags) < 0) - HGOTO_ERROR(H5E_VFL, H5E_BADVALUE, FAIL, "can't query VFD flags") - if (0 == (H5FD_FEAT_DEFAULT_VFD_COMPATIBLE & wo_driver_flags)) - HGOTO_ERROR(H5E_VFL, H5E_BADVALUE, FAIL, "unsuitable W/O driver") - } /* end if W/O VFD is non-default */ - info = H5FL_CALLOC(H5FD_splitter_fapl_t); if (NULL == info) HGOTO_ERROR(H5E_VFL, H5E_CANTALLOC, FAIL, "unable to allocate file access property list struct") - info->ignore_wo_errs = vfd_config->ignore_wo_errs; - HDstrncpy(info->wo_path, vfd_config->wo_path, H5FD_SPLITTER_PATH_MAX + 1); - info->wo_path[H5FD_SPLITTER_PATH_MAX] = '\0'; - HDstrncpy(info->log_file_path, vfd_config->log_file_path, H5FD_SPLITTER_PATH_MAX + 1); - info->log_file_path[H5FD_SPLITTER_PATH_MAX] = '\0'; - info->rw_fapl_id = H5P_FILE_ACCESS_DEFAULT; /* pre-set value */ - info->wo_fapl_id = H5P_FILE_ACCESS_DEFAULT; /* pre-set value */ - - /* Set non-default channel FAPL IDs in splitter configuration info */ - if (H5P_DEFAULT != vfd_config->rw_fapl_id) { - if (FALSE == H5P_isa_class(vfd_config->rw_fapl_id, H5P_FILE_ACCESS)) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file access list") - info->rw_fapl_id = vfd_config->rw_fapl_id; - } - if (H5P_DEFAULT != vfd_config->wo_fapl_id) { - if (FALSE == H5P_isa_class(vfd_config->wo_fapl_id, H5P_FILE_ACCESS)) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file access list") - info->wo_fapl_id = vfd_config->wo_fapl_id; - } + if (H5FD__splitter_populate_config(vfd_config, info) < 0) + HGOTO_ERROR(H5E_VFL, H5E_CANTSET, FAIL, "can't setup driver configuration") - ret_value = H5P_set_driver(plist_ptr, H5FD_SPLITTER, info); + ret_value = H5P_set_driver(plist_ptr, H5FD_SPLITTER, info, NULL); done: if (info) @@ -390,9 +353,10 @@ done: herr_t H5Pget_fapl_splitter(hid_t fapl_id, H5FD_splitter_vfd_config_t *config /*out*/) { - const H5FD_splitter_fapl_t *fapl_ptr = NULL; - H5P_genplist_t * plist_ptr = NULL; - herr_t ret_value = SUCCEED; + const H5FD_splitter_fapl_t *fapl_ptr = NULL; + H5FD_splitter_fapl_t * default_fapl = NULL; + H5P_genplist_t * plist_ptr = NULL; + herr_t ret_value = SUCCEED; FUNC_ENTER_API(FAIL) H5TRACE2("e", "ix", fapl_id, config); @@ -418,8 +382,14 @@ H5Pget_fapl_splitter(hid_t fapl_id, H5FD_splitter_vfd_config_t *config /*out*/) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file access property list") if (H5FD_SPLITTER != H5P_peek_driver(plist_ptr)) HGOTO_ERROR(H5E_PLIST, H5E_BADVALUE, FAIL, "incorrect VFL driver") - if (NULL == (fapl_ptr = (const H5FD_splitter_fapl_t *)H5P_peek_driver_info(plist_ptr))) - HGOTO_ERROR(H5E_PLIST, H5E_BADVALUE, FAIL, "unable to get specific-driver info") + fapl_ptr = (const H5FD_splitter_fapl_t *)H5P_peek_driver_info(plist_ptr); + if (NULL == fapl_ptr) { + if (NULL == (default_fapl = H5FL_CALLOC(H5FD_splitter_fapl_t))) + HGOTO_ERROR(H5E_VFL, H5E_CANTALLOC, FAIL, "unable to allocate file access property list struct") + if (H5FD__splitter_populate_config(NULL, default_fapl) < 0) + HGOTO_ERROR(H5E_VFL, H5E_CANTSET, FAIL, "can't initialize driver configuration info") + fapl_ptr = default_fapl; + } HDstrncpy(config->wo_path, fapl_ptr->wo_path, H5FD_SPLITTER_PATH_MAX + 1); HDstrncpy(config->log_file_path, fapl_ptr->log_file_path, H5FD_SPLITTER_PATH_MAX + 1); @@ -432,10 +402,188 @@ H5Pget_fapl_splitter(hid_t fapl_id, H5FD_splitter_vfd_config_t *config /*out*/) HGOTO_ERROR(H5E_VFL, H5E_BADVALUE, FAIL, "can't copy W/O FAPL"); done: + if (default_fapl) + H5FL_FREE(H5FD_splitter_fapl_t, default_fapl); + FUNC_LEAVE_API(ret_value) } /* end H5Pget_fapl_splitter() */ /*------------------------------------------------------------------------- + * Function: H5FD__splitter_populate_config + * + * Purpose: Populates a H5FD_splitter_fapl_t structure with the provided + * values, supplying defaults where values are not provided. + * + * Return: Non-negative on success/Negative on failure + * + *------------------------------------------------------------------------- + */ +static herr_t +H5FD__splitter_populate_config(H5FD_splitter_vfd_config_t *vfd_config, H5FD_splitter_fapl_t *fapl_out) +{ + H5P_genplist_t *def_plist; + H5P_genplist_t *plist; + hbool_t free_config = FALSE; + herr_t ret_value = SUCCEED; + + FUNC_ENTER_STATIC + + HDassert(fapl_out); + + HDmemset(fapl_out, 0, sizeof(H5FD_splitter_fapl_t)); + + if (!vfd_config) { + vfd_config = H5MM_calloc(sizeof(H5FD_splitter_vfd_config_t)); + if (NULL == vfd_config) + HGOTO_ERROR(H5E_VFL, H5E_CANTALLOC, FAIL, "unable to allocate file access property list struct") + + vfd_config->magic = H5FD_SPLITTER_MAGIC; + vfd_config->version = H5FD_CURR_SPLITTER_VFD_CONFIG_VERSION; + vfd_config->rw_fapl_id = H5P_DEFAULT; + vfd_config->wo_fapl_id = H5P_DEFAULT; + + free_config = TRUE; + } + + /* Make sure that the W/O channel supports write-only capability. + * Some drivers (e.g. family or multi) do revision of the superblock + * in-memory, causing problems in that channel. + * Uses the feature flag H5FD_FEAT_DEFAULT_VFD_COMPATIBLE as the + * determining attribute. + */ + if (H5P_DEFAULT != vfd_config->wo_fapl_id) { + H5FD_class_t * wo_driver = NULL; + H5FD_driver_prop_t wo_driver_prop; + H5P_genplist_t * wo_plist_ptr = NULL; + unsigned long wo_driver_flags = 0; + + wo_plist_ptr = (H5P_genplist_t *)H5I_object(vfd_config->wo_fapl_id); + if (NULL == wo_plist_ptr) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file access property list") + if (H5P_peek(wo_plist_ptr, H5F_ACS_FILE_DRV_NAME, &wo_driver_prop) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get driver ID & info") + wo_driver = (H5FD_class_t *)H5I_object(wo_driver_prop.driver_id); + if (NULL == wo_driver) + HGOTO_ERROR(H5E_VFL, H5E_BADVALUE, FAIL, "invalid driver ID in file access property list") + if (H5FD_driver_query(wo_driver, &wo_driver_flags) < 0) + HGOTO_ERROR(H5E_VFL, H5E_BADVALUE, FAIL, "can't query VFD flags") + if (0 == (H5FD_FEAT_DEFAULT_VFD_COMPATIBLE & wo_driver_flags)) + HGOTO_ERROR(H5E_VFL, H5E_BADVALUE, FAIL, "unsuitable W/O driver") + } /* end if W/O VFD is non-default */ + + fapl_out->ignore_wo_errs = vfd_config->ignore_wo_errs; + HDstrncpy(fapl_out->wo_path, vfd_config->wo_path, H5FD_SPLITTER_PATH_MAX + 1); + fapl_out->wo_path[H5FD_SPLITTER_PATH_MAX] = '\0'; + HDstrncpy(fapl_out->log_file_path, vfd_config->log_file_path, H5FD_SPLITTER_PATH_MAX + 1); + fapl_out->log_file_path[H5FD_SPLITTER_PATH_MAX] = '\0'; + fapl_out->rw_fapl_id = H5P_FILE_ACCESS_DEFAULT; /* pre-set value */ + fapl_out->wo_fapl_id = H5P_FILE_ACCESS_DEFAULT; /* pre-set value */ + + if (NULL == (def_plist = (H5P_genplist_t *)H5I_object(H5P_FILE_ACCESS_DEFAULT))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file access property list") + + /* Set non-default channel FAPL IDs in splitter configuration info */ + if (H5P_DEFAULT != vfd_config->rw_fapl_id) { + if (FALSE == H5P_isa_class(vfd_config->rw_fapl_id, H5P_FILE_ACCESS)) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file access list") + fapl_out->rw_fapl_id = vfd_config->rw_fapl_id; + } + else { + /* Use copy of default file access property list for R/W channel FAPL ID. + * The Sec2 driver is explicitly set on the FAPL ID, as the default + * driver might have been replaced with the Splitter VFD, which + * would cause recursion badness. + */ + if ((fapl_out->rw_fapl_id = H5P_copy_plist(def_plist, FALSE)) < 0) + HGOTO_ERROR(H5E_VFL, H5E_CANTCOPY, FAIL, "can't copy property list") + if (NULL == (plist = (H5P_genplist_t *)H5I_object(fapl_out->rw_fapl_id))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file access property list") + if (H5P_set_driver_by_value(plist, H5_VFD_SEC2, NULL, TRUE) < 0) + HGOTO_ERROR(H5E_VFL, H5E_CANTSET, FAIL, "can't set default driver on R/W channel FAPL") + } + if (H5P_DEFAULT != vfd_config->wo_fapl_id) { + if (FALSE == H5P_isa_class(vfd_config->wo_fapl_id, H5P_FILE_ACCESS)) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file access list") + fapl_out->wo_fapl_id = vfd_config->wo_fapl_id; + } + else { + /* Use copy of default file access property list for W/O channel FAPL ID. + * The Sec2 driver is explicitly set on the FAPL ID, as the default + * driver might have been replaced with the Splitter VFD, which + * would cause recursion badness. + */ + if ((fapl_out->wo_fapl_id = H5P_copy_plist(def_plist, FALSE)) < 0) + HGOTO_ERROR(H5E_VFL, H5E_CANTCOPY, FAIL, "can't copy property list") + if (NULL == (plist = (H5P_genplist_t *)H5I_object(fapl_out->wo_fapl_id))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file access property list") + if (H5P_set_driver_by_value(plist, H5_VFD_SEC2, NULL, TRUE) < 0) + HGOTO_ERROR(H5E_VFL, H5E_CANTSET, FAIL, "can't set default driver on R/W channel FAPL") + } + +done: + if (free_config && vfd_config) + H5MM_free(vfd_config); + + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5FD__splitter_populate_config() */ + +/*------------------------------------------------------------------------- + * Function: H5FD__splitter_get_default_wo_path + * + * Purpose: Given a base filename, returns a default filename for the + * W/O channel file by appending '_wo' to the base file name. + * + * Return: Non-negative on Success/Negative on Failure + * + *------------------------------------------------------------------------- + */ +static herr_t +H5FD__splitter_get_default_wo_path(char *new_path, size_t new_path_len, const char *base_filename) +{ + const char *suffix = "_wo"; + size_t old_filename_len = 0; + char * file_extension = NULL; + herr_t ret_value = SUCCEED; + + FUNC_ENTER_STATIC + + HDassert(new_path); + HDassert(base_filename); + + /* Check that output buffer can hold base filename + `_wo` suffix */ + old_filename_len = HDstrlen(base_filename); + if (old_filename_len > H5FD_SPLITTER_PATH_MAX - HDstrlen(suffix) - 1) + HGOTO_ERROR(H5E_VFL, H5E_CANTSET, FAIL, "filename exceeds max length") + + /* Determine if filename contains a ".h5" extension. */ + if ((file_extension = strstr(base_filename, ".h5"))) { + /* Insert the suffix between the filename and ".h5" extension. */ + HDstrcpy(new_path, base_filename); + file_extension = strstr(new_path, ".h5"); + HDsprintf(file_extension, "%s%s", suffix, ".h5"); + } + else if ((file_extension = strrchr(base_filename, '.'))) { + char *new_extension_loc = NULL; + + /* If the filename doesn't contain a ".h5" extension, but contains + * AN extension, just insert the suffix before that extension. + */ + HDstrcpy(new_path, base_filename); + new_extension_loc = strrchr(new_path, '.'); + HDsprintf(new_extension_loc, "%s%s", suffix, file_extension); + } + else { + /* If the filename doesn't contain an extension at all, just insert + * the suffix at the end of the filename. + */ + HDsnprintf(new_path, new_path_len, "%s%s", base_filename, suffix); + } + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5FD__splitter_get_default_wo_path() */ + +/*------------------------------------------------------------------------- * Function: H5FD__splitter_flush * * Purpose: Flushes all data to disk for both channels. @@ -662,10 +810,11 @@ done: static H5FD_t * H5FD__splitter_open(const char *name, unsigned flags, hid_t splitter_fapl_id, haddr_t maxaddr) { - H5FD_splitter_t * file_ptr = NULL; /* Splitter VFD info */ - const H5FD_splitter_fapl_t *fapl_ptr = NULL; /* Driver-specific property list */ - H5P_genplist_t * plist_ptr = NULL; - H5FD_t * ret_value = NULL; + H5FD_splitter_t * file_ptr = NULL; /* Splitter VFD info */ + const H5FD_splitter_fapl_t *fapl_ptr = NULL; /* Driver-specific property list */ + H5FD_splitter_fapl_t * default_fapl = NULL; + H5P_genplist_t * plist_ptr = NULL; + H5FD_t * ret_value = NULL; FUNC_ENTER_STATIC @@ -678,8 +827,7 @@ H5FD__splitter_open(const char *name, unsigned flags, hid_t splitter_fapl_id, ha HGOTO_ERROR(H5E_ARGS, H5E_BADRANGE, NULL, "bogus maxaddr") if (ADDR_OVERFLOW(maxaddr)) HGOTO_ERROR(H5E_ARGS, H5E_OVERFLOW, NULL, "bogus maxaddr") - if ((H5P_FILE_ACCESS_DEFAULT == splitter_fapl_id) || (H5FD_SPLITTER != H5Pget_driver(splitter_fapl_id))) - /* presupposes that H5P_FILE_ACCESS_DEFAULT is not a splitter */ + if (H5FD_SPLITTER != H5Pget_driver(splitter_fapl_id)) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, NULL, "driver is not splitter") file_ptr = (H5FD_splitter_t *)H5FL_CALLOC(H5FD_splitter_t); @@ -693,8 +841,20 @@ H5FD__splitter_open(const char *name, unsigned flags, hid_t splitter_fapl_id, ha if (NULL == plist_ptr) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a file access property list") fapl_ptr = (const H5FD_splitter_fapl_t *)H5P_peek_driver_info(plist_ptr); - if (NULL == fapl_ptr) - HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, NULL, "unable to get VFL driver info") + if (NULL == fapl_ptr) { + if (NULL == (default_fapl = H5FL_CALLOC(H5FD_splitter_fapl_t))) + HGOTO_ERROR(H5E_VFL, H5E_CANTALLOC, NULL, "unable to allocate file access property list struct") + if (H5FD__splitter_populate_config(NULL, default_fapl) < 0) + HGOTO_ERROR(H5E_VFL, H5E_CANTSET, NULL, "can't initialize driver configuration info") + + /* If W/O path is not set, use base filename with '_wo' suffix */ + if (*default_fapl->wo_path == '\0') + if (H5FD__splitter_get_default_wo_path(default_fapl->wo_path, H5FD_SPLITTER_PATH_MAX + 1, name) < + 0) + HGOTO_ERROR(H5E_VFL, H5E_CANTSET, NULL, "can't generate default filename for W/O channel") + + fapl_ptr = default_fapl; + } /* Copy simpler info */ HDstrncpy(file_ptr->fa.wo_path, fapl_ptr->wo_path, H5FD_SPLITTER_PATH_MAX + 1); @@ -730,6 +890,9 @@ H5FD__splitter_open(const char *name, unsigned flags, hid_t splitter_fapl_id, ha ret_value = (H5FD_t *)file_ptr; done: + if (default_fapl) + H5FL_FREE(H5FD_splitter_fapl_t, default_fapl); + if (NULL == ret_value) { if (file_ptr) { if (H5I_INVALID_HID != file_ptr->fa.rw_fapl_id) @@ -1343,6 +1506,74 @@ done: } /* end H5FD__splitter_free() */ /*------------------------------------------------------------------------- + * Function: H5FD__splitter_delete + * + * Purpose: Delete a file + * + * Return: SUCCEED/FAIL + * + *------------------------------------------------------------------------- + */ +static herr_t +H5FD__splitter_delete(const char *filename, hid_t fapl_id) +{ + const H5FD_splitter_fapl_t *fapl_ptr = NULL; + H5FD_splitter_fapl_t * default_fapl = NULL; + H5P_genplist_t * plist; + herr_t ret_value = SUCCEED; + + FUNC_ENTER_STATIC + + HDassert(filename); + + /* Get the driver info */ + if (H5P_FILE_ACCESS_DEFAULT == fapl_id) { + if (NULL == (default_fapl = H5FL_CALLOC(H5FD_splitter_fapl_t))) + HGOTO_ERROR(H5E_VFL, H5E_CANTALLOC, FAIL, "unable to allocate file access property list struct") + if (H5FD__splitter_populate_config(NULL, default_fapl) < 0) + HGOTO_ERROR(H5E_VFL, H5E_CANTSET, FAIL, "can't initialize driver configuration info") + + /* If W/O path is not set, use base filename with '_wo' suffix */ + if (*default_fapl->wo_path == '\0') + if (H5FD__splitter_get_default_wo_path(default_fapl->wo_path, H5FD_SPLITTER_PATH_MAX + 1, + filename) < 0) + HGOTO_ERROR(H5E_VFL, H5E_CANTSET, FAIL, "can't generate default filename for W/O channel") + + fapl_ptr = default_fapl; + } + else { + if (NULL == (plist = (H5P_genplist_t *)H5I_object(fapl_id))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file access property list") + if (NULL == (fapl_ptr = (const H5FD_splitter_fapl_t *)H5P_peek_driver_info(plist))) { + if (NULL == (default_fapl = H5FL_CALLOC(H5FD_splitter_fapl_t))) + HGOTO_ERROR(H5E_VFL, H5E_CANTALLOC, FAIL, + "unable to allocate file access property list struct") + if (H5FD__splitter_populate_config(NULL, default_fapl) < 0) + HGOTO_ERROR(H5E_VFL, H5E_CANTSET, FAIL, "can't initialize driver configuration info") + + /* If W/O path is not set, use base filename with '_wo' suffix */ + if (*default_fapl->wo_path == '\0') + if (H5FD__splitter_get_default_wo_path(default_fapl->wo_path, H5FD_SPLITTER_PATH_MAX + 1, + filename) < 0) + HGOTO_ERROR(H5E_VFL, H5E_CANTSET, FAIL, "can't generate default filename for W/O channel") + + fapl_ptr = default_fapl; + } + } + + if (H5FDdelete(filename, fapl_ptr->rw_fapl_id) < 0) + HGOTO_ERROR(H5E_VFL, H5E_CANTDELETEFILE, FAIL, "unable to delete file") + if (H5FDdelete(fapl_ptr->wo_path, fapl_ptr->wo_fapl_id) < 0) + HGOTO_ERROR(H5E_VFL, H5E_CANTDELETEFILE, FAIL, "unable to delete W/O channel file") + +done: + if (default_fapl) + H5FL_FREE(H5FD_splitter_fapl_t, default_fapl); + + FUNC_LEAVE_NOAPI(ret_value) +} + +/*------------------------------------------------------------------------- * Function: H5FD__splitter_log_error * * Purpose: Log an error from the W/O channel appropriately. |