diff options
Diffstat (limited to 'src/H5Tcommit.c')
| -rw-r--r-- | src/H5Tcommit.c | 302 |
1 files changed, 278 insertions, 24 deletions
diff --git a/src/H5Tcommit.c b/src/H5Tcommit.c index ce537dc..8f7b4de 100644 --- a/src/H5Tcommit.c +++ b/src/H5Tcommit.c @@ -30,12 +30,15 @@ #include "H5ACprivate.h" /* Metadata cache */ #include "H5CXprivate.h" /* API Contexts */ #include "H5Eprivate.h" /* Error handling */ +#include "H5FLprivate.h" /* Free lists */ #include "H5FOprivate.h" /* File objects */ #include "H5Iprivate.h" /* IDs */ #include "H5Lprivate.h" /* Links */ #include "H5MMprivate.h" /* Memory Management */ +#include "H5Oprivate.h" /* Object headers */ #include "H5Pprivate.h" /* Property lists */ #include "H5Tpkg.h" /* Datatypes */ +#include "H5VLprivate.h" /* Virtual Object Layer */ /****************/ @@ -78,6 +81,12 @@ static H5T_t *H5T__open_oid(const H5G_loc_t *loc); /* Local Variables */ /*******************/ +/* Declare a free list to manage the H5VL_t struct */ +H5FL_EXTERN(H5VL_t); + +/* Declare a free list to manage the H5VL_object_t struct */ +H5FL_EXTERN(H5VL_object_t); + /*------------------------------------------------------------------------- @@ -94,22 +103,25 @@ herr_t H5Tcommit2(hid_t loc_id, const char *name, hid_t type_id, hid_t lcpl_id, hid_t tcpl_id, hid_t tapl_id) { - H5G_loc_t loc; /* Location to create datatype */ - H5T_t *type = NULL; /* Datatype for ID */ + void *data = NULL; /* VOL-managed datatype data */ + H5VL_object_t *new_obj = NULL; /* VOL object that holds the datatype object and the VOL info */ + H5T_t *dt = NULL; /* High level datatype object that wraps the VOL object */ + H5VL_object_t *vol_obj = NULL; /* object token of loc_id */ + H5VL_loc_params_t loc_params; herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE6("e", "i*siiii", loc_id, name, type_id, lcpl_id, tcpl_id, tapl_id); /* Check arguments */ - if(H5G_loc(loc_id, &loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location") if(!name) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "name parameter cannot be NULL") if(!*name) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "name parameter cannot be an empty string") - if(NULL == (type = (H5T_t *)H5I_object_verify(type_id, H5I_DATATYPE))) + if(NULL == (dt = (H5T_t *)H5I_object_verify(type_id, H5I_DATATYPE))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a datatype") + if(H5T_is_named(dt)) + HGOTO_ERROR(H5E_ARGS, H5E_CANTSET, FAIL, "datatype is already committed") /* Get correct property list */ if(H5P_DEFAULT == lcpl_id) @@ -119,7 +131,7 @@ H5Tcommit2(hid_t loc_id, const char *name, hid_t type_id, hid_t lcpl_id, HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not link creation property list") /* Get correct property list */ - if(H5P_DEFAULT == tcpl_id) + if (H5P_DEFAULT == tcpl_id) tcpl_id = H5P_DATATYPE_CREATE_DEFAULT; else if(TRUE != H5P_isa_class(tcpl_id, H5P_DATATYPE_CREATE)) @@ -129,10 +141,30 @@ H5Tcommit2(hid_t loc_id, const char *name, hid_t type_id, hid_t lcpl_id, if(H5CX_set_apl(&tapl_id, H5P_CLS_TACC, loc_id, TRUE) < 0) HGOTO_ERROR(H5E_DATATYPE, H5E_CANTSET, FAIL, "can't set access property list info") + /* Fill in location struct fields */ + loc_params.type = H5VL_OBJECT_BY_SELF; + loc_params.obj_type = H5I_get_type(loc_id); + + /* Get the object from the loc_id */ + if(NULL == (vol_obj = (H5VL_object_t *)H5I_object(loc_id))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid object identifier") + /* Commit the type */ - if(H5T__commit_named(&loc, name, type, lcpl_id, tcpl_id) < 0) + if(NULL == (data = H5VL_datatype_commit(vol_obj->data, loc_params, vol_obj->driver->cls, + name, type_id, lcpl_id, tcpl_id, tapl_id, + H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL))) HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, FAIL, "unable to commit datatype") + /* Set up VOL object */ + if(NULL == (new_obj = H5FL_CALLOC(H5VL_object_t))) + HGOTO_ERROR(H5E_VOL, H5E_NOSPACE, FAIL, "can't allocate top object structure") + new_obj->driver = vol_obj->driver; + new_obj->driver->nrefs ++; + new_obj->data = data; + + /* Set the committed type object to the VOL driver pointer in the H5T_t struct */ + dt->vol_obj = new_obj; + done: FUNC_LEAVE_API(ret_value) } /* end H5Tcommit2() */ @@ -237,16 +269,17 @@ done: herr_t H5Tcommit_anon(hid_t loc_id, hid_t type_id, hid_t tcpl_id, hid_t tapl_id) { - H5G_loc_t loc; /* Group location for location */ + void *dt = NULL; /* datatype object created by VOL plugin */ + H5VL_object_t *new_obj = NULL; /* VOL object that holds the datatype object and the VOL info */ H5T_t *type = NULL; /* Datatype created */ + H5VL_object_t *vol_obj = NULL; /* object token of loc_id */ + H5VL_loc_params_t loc_params; herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE4("e", "iiii", loc_id, type_id, tcpl_id, tapl_id); /* Check arguments */ - if(H5G_loc(loc_id, &loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location") if(NULL == (type = (H5T_t *)H5I_object_verify(type_id, H5I_DATATYPE))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a datatype") if(H5T_is_named(type)) @@ -263,10 +296,30 @@ H5Tcommit_anon(hid_t loc_id, hid_t type_id, hid_t tcpl_id, hid_t tapl_id) if(H5CX_set_apl(&tapl_id, H5P_CLS_TACC, loc_id, TRUE) < 0) HGOTO_ERROR(H5E_DATATYPE, H5E_CANTSET, FAIL, "can't set access property list info") + /* Fill in location struct fields */ + loc_params.type = H5VL_OBJECT_BY_SELF; + loc_params.obj_type = H5I_get_type(loc_id); + + /* Get the file object */ + if(NULL == (vol_obj = (H5VL_object_t *)H5I_object(loc_id))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid file identifier") + /* Commit the datatype */ - if(H5T__commit_anon(loc.oloc->file, type, tcpl_id) < 0) + if(NULL == (dt = H5VL_datatype_commit(vol_obj->data, loc_params, vol_obj->driver->cls, + NULL, type_id, H5P_DEFAULT, tcpl_id, tapl_id, + H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL))) HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, FAIL, "unable to commit datatype") + /* Setup VOL object */ + if(NULL == (new_obj = H5FL_CALLOC(H5VL_object_t))) + HGOTO_ERROR(H5E_VOL, H5E_NOSPACE, FAIL, "can't allocate top object structure") + new_obj->driver = vol_obj->driver; + new_obj->driver->nrefs ++; + new_obj->data = dt; + + /* Set the committed type object to the VOL pluging pointer in the H5T_t struct */ + type->vol_obj = new_obj; + done: FUNC_LEAVE_API(ret_value) } /* end H5Tcommit_anon() */ @@ -515,16 +568,15 @@ done: hid_t H5Topen2(hid_t loc_id, const char *name, hid_t tapl_id) { - H5T_t *type = NULL; /* Datatype opened in file */ - H5G_loc_t loc; /* Group location of object to open */ + void *dt = NULL; /* datatype token created by VOL driver */ + H5VL_object_t *vol_obj = NULL; /* object token of loc_id */ + H5VL_loc_params_t loc_params; hid_t ret_value = H5I_INVALID_HID; /* Return value */ FUNC_ENTER_API(H5I_INVALID_HID) H5TRACE3("i", "i*si", loc_id, name, tapl_id); /* Check args */ - if(H5G_loc(loc_id, &loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, H5I_INVALID_HID, "not a location") if(!name) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, H5I_INVALID_HID, "name parameter cannot be NULL") if(!*name) @@ -534,19 +586,28 @@ H5Topen2(hid_t loc_id, const char *name, hid_t tapl_id) if(H5CX_set_apl(&tapl_id, H5P_CLS_TACC, loc_id, FALSE) < 0) HGOTO_ERROR(H5E_DATATYPE, H5E_CANTSET, FAIL, "can't set access property list info") + /* Fill in location struct fields */ + loc_params.type = H5VL_OBJECT_BY_SELF; + loc_params.obj_type = H5I_get_type(loc_id); + + /* get the location object */ + if(NULL == (vol_obj = (H5VL_object_t *)H5I_object(loc_id))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, H5I_INVALID_HID, "invalid file identifier") + /* Open the datatype */ - if(NULL == (type = H5T__open_name(&loc, name))) + if(NULL == (dt = H5VL_datatype_open(vol_obj->data, loc_params, vol_obj->driver->cls, + name, tapl_id, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL))) HGOTO_ERROR(H5E_DATATYPE, H5E_CANTOPENOBJ, H5I_INVALID_HID, "unable to open named datatype") /* Register the type and return the ID */ - if((ret_value = H5I_register(H5I_DATATYPE, type, TRUE)) < 0) + if((ret_value = H5VL_register_id(H5I_DATATYPE, dt, vol_obj->driver, TRUE)) < 0) HGOTO_ERROR(H5E_ATOM, H5E_CANTREGISTER, H5I_INVALID_HID, "unable to register named datatype") done: /* Cleanup on error */ if(H5I_INVALID_HID == ret_value) - if(type != NULL) - (void)H5T_close(type); + if(dt && H5VL_datatype_close(dt, vol_obj->driver->cls, H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL) < 0) + HDONE_ERROR(H5E_DATATYPE, H5E_CLOSEERROR, H5I_INVALID_HID, "unable to release datatype") FUNC_LEAVE_API(ret_value) } /* end H5Topen2() */ @@ -600,7 +661,11 @@ H5Tget_create_plist(hid_t dtype_id) } /* If the datatype is committed, retrieve further information */ else { - if((ret_value = H5T__get_create_plist(type)) < 0) + H5VL_object_t *vol_obj = type->vol_obj; + + /* Get the property list through the VOL */ + if(H5VL_datatype_get(vol_obj->data, vol_obj->driver->cls, H5VL_DATATYPE_GET_TCPL, + H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, &ret_value) < 0) HGOTO_ERROR(H5E_DATATYPE, H5E_CANTGET, H5I_INVALID_HID, "can't get object creation info") } @@ -641,8 +706,10 @@ H5Tflush(hid_t type_id) HGOTO_ERROR(H5E_DATATYPE, H5E_CANTSET, FAIL, "can't set access property list info") /* Flush metadata for named datatype */ - if(H5O_flush_common(&dt->oloc, type_id) < 0) - HGOTO_ERROR(H5E_DATATYPE, H5E_CANTFLUSH, FAIL, "unable to flush datatype") + if(dt->vol_obj) + if((ret_value = H5VL_datatype_specific(dt->vol_obj->data, dt->vol_obj->driver->cls, H5VL_DATATYPE_FLUSH, + H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, type_id)) < 0) + HGOTO_ERROR(H5E_DATATYPE, H5E_CANTFLUSH, FAIL, "unable to flush datatype") done: FUNC_LEAVE_API(ret_value) @@ -681,8 +748,10 @@ H5Trefresh(hid_t type_id) HGOTO_ERROR(H5E_DATATYPE, H5E_CANTSET, FAIL, "can't set access property list info") /* Refresh the datatype's metadata */ - if((H5O_refresh_metadata(type_id, dt->oloc)) < 0) - HGOTO_ERROR(H5E_DATATYPE, H5E_CANTLOAD, FAIL, "unable to refresh datatype") + if(dt->vol_obj) + if((ret_value = H5VL_datatype_specific(dt->vol_obj->data, dt->vol_obj->driver->cls, H5VL_DATATYPE_REFRESH, + H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, type_id)) < 0) + HGOTO_ERROR(H5E_DATATYPE, H5E_CANTLOAD, FAIL, "unable to refresh datatype") done: FUNC_LEAVE_API(ret_value) @@ -865,6 +934,7 @@ H5T_open(const H5G_loc_t *loc) else { if(NULL == (dt = H5FL_MALLOC(H5T_t))) HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "can't allocate space for datatype") + dt->vol_obj = NULL; #if defined(H5_USING_MEMCHECKER) || !defined(NDEBUG) /* Clear object location */ @@ -1014,3 +1084,187 @@ H5T_update_shared(H5T_t *dt) FUNC_LEAVE_NOAPI(SUCCEED) } /* H5T_update_shared() */ + +/*------------------------------------------------------------------------- + * Function: H5T_construct_datatype + * + * Purpose: Create a Library datatype with a plugin specific datatype object + * + * Return: Success: A type structure + * Failure: NULL + * + *------------------------------------------------------------------------- + */ +H5T_t * +H5T_construct_datatype(H5VL_object_t *vol_obj) +{ + ssize_t nalloc; + void *buf = NULL; + H5T_t *dt = NULL; /* datatype token from VOL plugin */ + H5T_t *ret_value = NULL; + + FUNC_ENTER_NOAPI(NULL) + + /* get required buf size for encoding the datatype */ + if(H5VL_datatype_get(vol_obj->data, vol_obj->driver->cls, H5VL_DATATYPE_GET_BINARY, + H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, &nalloc, NULL, 0) < 0) + HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, NULL, "unable to get datatype serialized size") + + /* allocate buffer to store binary description of the datatype */ + if(NULL == (buf = (void *)H5MM_calloc((size_t)nalloc))) + HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "can't allocate space for datatype") + + /* get binary description of the datatype */ + if(H5VL_datatype_get(vol_obj->data, vol_obj->driver->cls, H5VL_DATATYPE_GET_BINARY, + H5P_DATASET_XFER_DEFAULT, H5_REQUEST_NULL, &nalloc, buf, (size_t)nalloc) < 0) + HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, NULL, "unable to get serialized datatype") + + if(NULL == (dt = H5T_decode((size_t)nalloc, (const unsigned char *)buf))) + HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, NULL, "can't decode datatype") + + dt->vol_obj = vol_obj; + + ret_value = dt; + +done: + if(buf) + buf = H5MM_xfree(buf); + + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5T_construct_datatype() */ + + +/*------------------------------------------------------------------------- + * Function: H5T_get_named_type + * + * Purpose: Returns the VOL object for the named datatype if it exists + * + * Return: Success: Pointer to the VOL object for the datatype + * Failure: NULL + * + *------------------------------------------------------------------------- + */ +H5VL_object_t * +H5T_get_named_type(const H5T_t *dt) +{ + H5VL_object_t *ret_value = NULL; /* Return value */ + + FUNC_ENTER_NOAPI_NOINIT_NOERR + + if(NULL != dt->vol_obj) + ret_value = dt->vol_obj; + + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5T_get_named_type() */ + + +/*------------------------------------------------------------------------- + * Function: H5T_get_actual_type + * + * Purpose: Returns underlying native datatype created by native driver + * if datatype is committed, otherwise return the datatype + * object associate with the ID. + * + * Return: Success: Pointer to the VOL-managed data for this datatype + * Failure: NULL + * + *------------------------------------------------------------------------- + */ +H5T_t * +H5T_get_actual_type(H5T_t *dt) +{ + H5T_t *ret_value = NULL; /* Return value */ + + FUNC_ENTER_NOAPI_NOINIT_NOERR + + /* Check if the datatype is committed */ + if(NULL == dt->vol_obj) + ret_value = dt; + else + ret_value = (H5T_t *)dt->vol_obj->data; + + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5T_get_actual_type() */ + + +/*------------------------------------------------------------------------- + * Function: H5T_save_refresh_state + * + * Purpose: Save state for datatype reconstuction after a refresh. + * + * Return: SUCCEED/FAIL + * + *------------------------------------------------------------------------- + */ +herr_t +H5T_save_refresh_state(hid_t tid, H5O_shared_t *cached_H5O_shared) +{ + H5T_t *dt = NULL; /* High level datatype object that wraps the VOL object */ + H5T_t *vol_dt = NULL; /* H5T_t pointer stored in the datatype's vol_obj field */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI(FAIL) + + HDassert(cached_H5O_shared); + + if(NULL == (dt = (H5T_t *)H5I_object_verify(tid, H5I_DATATYPE))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "tid is not a datatype ID") + vol_dt = (H5T_t *)(dt->vol_obj->data); + if(NULL == vol_dt) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "tid is not not a named datatype ID") + + /* Increase the count on the file object */ + vol_dt->shared->fo_count += 1; + + /* Increment object count for the object in the top file */ + if(H5FO_top_incr(vol_dt->sh_loc.file, vol_dt->sh_loc.u.loc.oh_addr) < 0) + HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINC, FAIL, "can't increment object count") + + /* Cache the H5O_shared_t data */ + HDmemcpy(cached_H5O_shared, &(vol_dt->sh_loc), sizeof(H5O_shared_t)); + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5T_save_refresh_state() */ + + +/*------------------------------------------------------------------------- + * Function: H5T_restore_refresh_state + * + * Purpose: Restore state for datatype reconstuction after a refresh. + * + * Return: SUCCEED/FAIL + * + *------------------------------------------------------------------------- + */ +herr_t +H5T_restore_refresh_state(hid_t tid, H5O_shared_t *cached_H5O_shared) +{ + H5T_t *dt = NULL; /* High level datatype object that wraps the VOL object */ + H5T_t *vol_dt = NULL; /* H5T_t pointer stored in the datatype's vol_obj field */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI(FAIL) + + HDassert(cached_H5O_shared); + + if(NULL == (dt = (H5T_t *)H5I_object_verify(tid, H5I_DATATYPE))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "tid not a datatype ID") + vol_dt = (H5T_t *)(dt->vol_obj->data); + if(NULL == vol_dt) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "tid is not not a named datatype ID") + + /* Restore the H5O_shared_t data */ + HDmemcpy(&(vol_dt->sh_loc), cached_H5O_shared, sizeof(H5O_shared_t)); + + /* Decrement the ref. count for this object in the top file */ + if(H5FO_top_decr(vol_dt->sh_loc.file, vol_dt->sh_loc.u.loc.oh_addr) < 0) + HGOTO_ERROR(H5E_DATATYPE, H5E_CANTDEC, FAIL, "can't decrement object count") + + /* Decrease the count on the file object */ + vol_dt->shared->fo_count -= 1; + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5T_restore_refresh_state() */ + |