diff options
Diffstat (limited to 'src/H5Oint.c')
| -rw-r--r-- | src/H5Oint.c | 129 |
1 files changed, 104 insertions, 25 deletions
diff --git a/src/H5Oint.c b/src/H5Oint.c index a16102a..d5a3a71 100644 --- a/src/H5Oint.c +++ b/src/H5Oint.c @@ -43,6 +43,8 @@ #include "H5Opkg.h" /* Object headers */ #include "H5VLprivate.h" /* Virtual Object Layer */ +#include "H5VLnative_private.h" /* Native VOL connector */ + /****************/ /* Local Macros */ @@ -58,7 +60,7 @@ typedef struct { hid_t obj_id; /* The ID for the starting group */ H5G_loc_t *start_loc; /* Location of starting group */ H5SL_t *visited; /* Skip list for tracking visited nodes */ - H5O_iterate_t op; /* Application callback */ + H5O_iterate2_t op; /* Application callback */ void *op_data; /* Application's op data */ unsigned fields; /* Selection of object info */ } H5O_iter_visit_ud_t; @@ -78,9 +80,11 @@ static herr_t H5O__obj_type_real(const H5O_t *oh, H5O_type_t *obj_type); static herr_t H5O__get_hdr_info_real(const H5O_t *oh, H5O_hdr_info_t *hdr); static herr_t H5O__free_visit_visited(void *item, void *key, void *operator_data/*in,out*/); -static herr_t H5O__visit_cb(hid_t group, const char *name, const H5L_info_t *linfo, +static herr_t H5O__visit_cb(hid_t group, const char *name, const H5L_info2_t *linfo, void *_udata); static const H5O_obj_class_t *H5O__obj_class_real(const H5O_t *oh); +static herr_t H5O__reset_info2(H5O_info2_t *oinfo); + /*********************/ /* Package Variables */ @@ -151,6 +155,13 @@ H5FL_BLK_DEFINE(chunk_image); /* Declare external the free list for H5O_cont_t sequences */ H5FL_SEQ_EXTERN(H5O_cont_t); +/* The canonical 'undefined' token */ +const H5O_token_t H5O_TOKEN_UNDEF_g = {{ + 255, 255, 255, 255, + 255, 255, 255, 255, + 255, 255, 255, 255, + 255, 255, 255, 255}}; + /*****************************/ /* Library Private Variables */ @@ -2155,9 +2166,7 @@ H5O__get_hdr_info_real(const H5O_t *oh, H5O_hdr_info_t *hdr) /*------------------------------------------------------------------------- * Function: H5O_get_info * - * Purpose: Retrieve the information for an object - * - * Note: Add a parameter "fields" to indicate selection of object info. + * Purpose: Retrieve the data model information for an object * * Return: Success: Non-negative * Failure: Negative @@ -2168,7 +2177,7 @@ H5O__get_hdr_info_real(const H5O_t *oh, H5O_hdr_info_t *hdr) *------------------------------------------------------------------------- */ herr_t -H5O_get_info(const H5O_loc_t *loc, H5O_info_t *oinfo, unsigned fields) +H5O_get_info(const H5O_loc_t *loc, H5O_info2_t *oinfo, unsigned fields) { const H5O_obj_class_t *obj_class; /* Class of object for header */ H5O_t *oh = NULL; /* Object header */ @@ -2189,15 +2198,17 @@ H5O_get_info(const H5O_loc_t *loc, H5O_info_t *oinfo, unsigned fields) HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "unable to determine object class") /* Reset the object info structure */ - HDmemset(oinfo, 0, sizeof(*oinfo)); + if(H5O__reset_info2(oinfo) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_CANTSET, FAIL, "can't reset object data struct") /* Get basic information, if requested */ if(fields & H5O_INFO_BASIC) { /* Retrieve the file's fileno */ H5F_GET_FILENO(loc->file, oinfo->fileno); - /* Set the object's address */ - oinfo->addr = loc->addr; + /* Set the object's address into the token */ + if(H5VL_native_addr_to_token(loc->file, H5I_FILE, loc->addr, &oinfo->token) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_CANTSERIALIZE, FAIL, "can't serialize address into object token") /* Retrieve the type of the object */ oinfo->type = obj_class->type; @@ -2249,18 +2260,63 @@ H5O_get_info(const H5O_loc_t *loc, H5O_info_t *oinfo, unsigned fields) } /* end else */ } /* end if */ - /* Get the information for the object header, if requested */ - if(fields & H5O_INFO_HDR) - if(H5O__get_hdr_info_real(oh, &oinfo->hdr) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "can't retrieve object header info") - /* Retrieve # of attributes */ if(fields & H5O_INFO_NUM_ATTRS) if(H5O__attr_count_real(loc->file, oh, &oinfo->num_attrs) < 0) HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "can't retrieve attribute count") +done: + if(oh && H5O_unprotect(loc, oh, H5AC__NO_FLAGS_SET) < 0) + HDONE_ERROR(H5E_OHDR, H5E_CANTUNPROTECT, FAIL, "unable to release object header") + + FUNC_LEAVE_NOAPI_TAG(ret_value) +} /* end H5O_get_info() */ + + +/*------------------------------------------------------------------------- + * Function: H5O_get_native_info + * + * Purpose: Retrieve the native file-format information for an object + * + * Return: Success: Non-negative + * Failure: Negative + * + * Programmer: Quincey Koziol + * November 21 2006 + * + *------------------------------------------------------------------------- + */ +herr_t +H5O_get_native_info(const H5O_loc_t *loc, H5O_native_info_t *oinfo, unsigned fields) +{ + const H5O_obj_class_t *obj_class; /* Class of object for header */ + H5O_t *oh = NULL; /* Object header */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI_TAG(loc->addr, FAIL) + + /* Check args */ + HDassert(loc); + HDassert(oinfo); + + /* Get the object header */ + if(NULL == (oh = H5O_protect(loc, H5AC__READ_ONLY_FLAG, FALSE))) + HGOTO_ERROR(H5E_OHDR, H5E_CANTPROTECT, FAIL, "unable to load object header") + + /* Get class for object */ + if(NULL == (obj_class = H5O__obj_class_real(oh))) + HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "unable to determine object class") + + /* Reset the object info structure */ + HDmemset(oinfo, 0, sizeof(*oinfo)); + + /* Get the information for the object header, if requested */ + if(fields & H5O_NATIVE_INFO_HDR) + if(H5O__get_hdr_info_real(oh, &oinfo->hdr) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "can't retrieve object header info") + /* Get B-tree & heap metadata storage size, if requested */ - if(fields & H5O_INFO_META_SIZE) { + if(fields & H5O_NATIVE_INFO_META_SIZE) { /* Check for 'bh_info' callback for this type of object */ if(obj_class->bh_info) /* Call the object's class 'bh_info' routine */ @@ -2268,10 +2324,8 @@ H5O_get_info(const H5O_loc_t *loc, H5O_info_t *oinfo, unsigned fields) HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "can't retrieve object's btree & heap info") /* Get B-tree & heap info for any attributes */ - if(!(fields & H5O_INFO_NUM_ATTRS) || oinfo->num_attrs > 0) { - if(H5O__attr_bh_info(loc->file, oh, &oinfo->meta_size.attr) < 0) - HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "can't retrieve attribute btree & heap info") - } /* end if */ + if(H5O__attr_bh_info(loc->file, oh, &oinfo->meta_size.attr) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_CANTGET, FAIL, "can't retrieve attribute btree & heap info") } /* end if */ done: @@ -2279,7 +2333,7 @@ done: HDONE_ERROR(H5E_OHDR, H5E_CANTUNPROTECT, FAIL, "unable to release object header") FUNC_LEAVE_NOAPI_TAG(ret_value) -} /* end H5O_get_info() */ +} /* end H5O_get_native_info() */ /*------------------------------------------------------------------------- @@ -2593,7 +2647,7 @@ H5O__free_visit_visited(void *item, void H5_ATTR_UNUSED *key, void H5_ATTR_UNUSE *------------------------------------------------------------------------- */ static herr_t -H5O__visit_cb(hid_t H5_ATTR_UNUSED group, const char *name, const H5L_info_t *linfo, +H5O__visit_cb(hid_t H5_ATTR_UNUSED group, const char *name, const H5L_info2_t *linfo, void *_udata) { H5O_iter_visit_ud_t *udata = (H5O_iter_visit_ud_t *)_udata; /* User data for callback */ @@ -2631,7 +2685,7 @@ H5O__visit_cb(hid_t H5_ATTR_UNUSED group, const char *name, const H5L_info_t *li /* Check if we've seen the object the link references before */ if(NULL == H5SL_search(udata->visited, &obj_pos)) { - H5O_info_t oinfo; /* Object info */ + H5O_info2_t oinfo; /* Object info */ /* Get the object's info */ if(H5O_get_info(&obj_oloc, &oinfo, udata->fields) < 0) @@ -2707,14 +2761,14 @@ done: */ herr_t H5O__visit(H5G_loc_t *loc, const char *obj_name, H5_index_t idx_type, - H5_iter_order_t order, H5O_iterate_t op, void *op_data, unsigned fields) + H5_iter_order_t order, H5O_iterate2_t op, void *op_data, unsigned fields) { H5O_iter_visit_ud_t udata; /* User data for callback */ H5G_loc_t obj_loc; /* Location used to open object */ H5G_name_t obj_path; /* Opened object group hier. path */ H5O_loc_t obj_oloc; /* Opened object object location */ hbool_t loc_found = FALSE; /* Entry at 'name' found */ - H5O_info_t oinfo; /* Object info struct */ + H5O_info2_t oinfo; /* Object info struct */ void *obj = NULL; /* Object */ H5I_type_t opened_type; /* ID type of object */ hid_t obj_id = H5I_INVALID_HID; /* ID of object */ @@ -2790,7 +2844,10 @@ H5O__visit(H5G_loc_t *loc, const char *obj_name, H5_index_t idx_type, /* Construct unique "position" for this object */ obj_pos->fileno = oinfo.fileno; - obj_pos->addr = oinfo.addr; + + /* De-serialize object token into an object address */ + if(H5VL_native_token_to_addr(loc->oloc->file, H5I_FILE, oinfo.token, &(obj_pos->addr)) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_CANTUNSERIALIZE, FAIL, "can't deserialize object token into address") /* Add to list of visited objects */ if(H5SL_insert(udata.visited, obj_pos, obj_pos) < 0) @@ -3027,3 +3084,25 @@ done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5O__free() */ +/*------------------------------------------------------------------------- + * Function: H5O__reset_info2 + * + * Purpose: Resets/initializes an H5O_info2_t struct. + * + * Return: SUCCEED/FAIL + * + *------------------------------------------------------------------------- + */ +static herr_t +H5O__reset_info2(H5O_info2_t *oinfo) +{ + FUNC_ENTER_STATIC_NOERR; + + /* Reset the passed-in info struct */ + HDmemset(oinfo, 0, sizeof(H5O_info2_t)); + oinfo->type = H5O_TYPE_UNKNOWN; + oinfo->token = H5O_TOKEN_UNDEF; + + FUNC_LEAVE_NOAPI(SUCCEED); +} /* end H5O__reset_info2() */ + |