diff options
Diffstat (limited to 'src/H5G.c')
| -rw-r--r-- | src/H5G.c | 291 |
1 files changed, 162 insertions, 129 deletions
@@ -90,8 +90,9 @@ #include "H5Eprivate.h" /* Error handling */ #include "H5Gpkg.h" /* Groups */ #include "H5Iprivate.h" /* IDs */ +#include "H5MMprivate.h" /* Memory management */ #include "H5Pprivate.h" /* Property lists */ - +#include "H5VLprivate.h" /* VOL plugins */ /****************/ /* Local Macros */ @@ -135,7 +136,7 @@ static const H5I_class_t H5I_GROUP_CLS[1] = {{ H5I_GROUP, /* ID class value */ 0, /* Class flags */ 0, /* # of reserved IDs for class */ - (H5I_free_t)H5G_close /* Callback routine for closing objects of this class */ + (H5I_free_t)H5G_close_group /* Callback routine for closing objects of this class */ }}; /* Flag indicating "top" of interface has been initialized */ @@ -285,20 +286,19 @@ H5G_term_package(void) *------------------------------------------------------------------------- */ hid_t -H5Gcreate2(hid_t loc_id, const char *name, hid_t lcpl_id, hid_t gcpl_id, - hid_t gapl_id) +H5Gcreate2(hid_t loc_id, const char *name, hid_t lcpl_id, hid_t gcpl_id, hid_t gapl_id) { - H5G_loc_t loc; /* Location to create group */ - H5G_t *grp = NULL; /* New group created */ - hid_t dxpl_id = H5AC_ind_read_dxpl_id; /* dxpl used by library */ - hid_t ret_value; /* Return value */ + void *grp = NULL; /* group token from VOL plugin */ + H5VL_object_t *obj = NULL; /* object token of loc_id */ + H5VL_loc_params_t loc_params; + H5P_genplist_t *plist; /* Property list pointer */ + hid_t dxpl_id = H5AC_ind_read_dxpl_id; /* dxpl used by library */ + hid_t ret_value; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE5("i", "i*siii", loc_id, name, lcpl_id, gcpl_id, gapl_id); /* Check arguments */ - if(H5G_loc(loc_id, &loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location") if(!name || !*name) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no name") @@ -320,17 +320,33 @@ H5Gcreate2(hid_t loc_id, const char *name, hid_t lcpl_id, hid_t gcpl_id, if(H5P_verify_apl_and_dxpl(&gapl_id, H5P_CLS_GACC, &dxpl_id, loc_id, TRUE) < 0) HGOTO_ERROR(H5E_SYM, H5E_CANTSET, FAIL, "can't set access and transfer property lists") - /* Create the new group & get its ID */ - if(NULL == (grp = H5G__create_named(&loc, name, lcpl_id, gcpl_id, gapl_id, dxpl_id))) - HGOTO_ERROR(H5E_SYM, H5E_CANTINIT, FAIL, "unable to create group") - if((ret_value = H5I_register(H5I_GROUP, grp, TRUE)) < 0) - HGOTO_ERROR(H5E_ATOM, H5E_CANTREGISTER, FAIL, "unable to register group") + /* Get the plist structure */ + if(NULL == (plist = (H5P_genplist_t *)H5I_object(gcpl_id))) + HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID") + + if(H5P_set(plist, H5VL_PROP_GRP_LCPL_ID, &lcpl_id) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't set property value for lcpl id") + + loc_params.type = H5VL_OBJECT_BY_SELF; + loc_params.obj_type = H5I_get_type(loc_id); + + /* get the location object */ + if(NULL == (obj = (H5VL_object_t *)H5I_object(loc_id))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid location identifier") + + /* Create the group through the VOL */ + if(NULL == (grp = H5VL_group_create(obj->vol_obj, loc_params, obj->vol_info->vol_cls, name, + gcpl_id, gapl_id, dxpl_id, H5_REQUEST_NULL))) + HGOTO_ERROR(H5E_SYM, H5E_CANTINIT, FAIL, "unable to create group") + + /* Get an atom for the group */ + if((ret_value = H5VL_register_id(H5I_GROUP, grp, obj->vol_info, TRUE)) < 0) + HGOTO_ERROR(H5E_ATOM, H5E_CANTREGISTER, FAIL, "unable to atomize group handle") done: - if(ret_value < 0) - if(grp && H5G_close(grp) < 0) + if (ret_value < 0 && grp) + if(H5VL_group_close (grp, obj->vol_info->vol_cls, dxpl_id, H5_REQUEST_NULL) < 0) HDONE_ERROR(H5E_SYM, H5E_CLOSEERROR, FAIL, "unable to release group") - FUNC_LEAVE_API(ret_value) } /* end H5Gcreate2() */ @@ -373,19 +389,15 @@ done: hid_t H5Gcreate_anon(hid_t loc_id, hid_t gcpl_id, hid_t gapl_id) { - H5G_loc_t loc; - H5G_t *grp = NULL; - H5G_obj_create_t gcrt_info; /* Information for group creation */ - hid_t dxpl_id = H5AC_ind_read_dxpl_id; /* dxpl used by library */ - hid_t ret_value; + void *grp = NULL; /* group token from VOL plugin */ + H5VL_object_t *obj = NULL; /* object token of loc_id */ + H5VL_loc_params_t loc_params; + hid_t dxpl_id = H5AC_ind_read_dxpl_id; /* dxpl used by library */ + hid_t ret_value; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE3("i", "iii", loc_id, gcpl_id, gapl_id); - /* Check arguments */ - if(H5G_loc(loc_id, &loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location") - /* Check group creation property list */ if(H5P_DEFAULT == gcpl_id) gcpl_id = H5P_GROUP_CREATE_DEFAULT; @@ -397,36 +409,26 @@ H5Gcreate_anon(hid_t loc_id, hid_t gcpl_id, hid_t gapl_id) if(H5P_verify_apl_and_dxpl(&gapl_id, H5P_CLS_GACC, &dxpl_id, loc_id, TRUE) < 0) HGOTO_ERROR(H5E_SYM, H5E_CANTSET, FAIL, "can't set access and transfer property lists") - /* Set up group creation info */ - gcrt_info.gcpl_id = gcpl_id; - gcrt_info.cache_type = H5G_NOTHING_CACHED; - HDmemset(&gcrt_info.cache, 0, sizeof(gcrt_info.cache)); + loc_params.type = H5VL_OBJECT_BY_SELF; + loc_params.obj_type = H5I_get_type(loc_id); - /* Create the new group & get its ID */ - if(NULL == (grp = H5G__create(loc.oloc->file, &gcrt_info, dxpl_id))) - HGOTO_ERROR(H5E_SYM, H5E_CANTINIT, FAIL, "unable to create group") - if((ret_value = H5I_register(H5I_GROUP, grp, TRUE)) < 0) - HGOTO_ERROR(H5E_ATOM, H5E_CANTREGISTER, FAIL, "unable to register group") + /* get the location object */ + if(NULL == (obj = (H5VL_object_t *)H5I_object(loc_id))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid location identifier") -done: - /* Release the group's object header, if it was created */ - if(grp) { - H5O_loc_t *oloc; /* Object location for group */ + /* Create the group through the VOL */ + if(NULL == (grp = H5VL_group_create(obj->vol_obj, loc_params, obj->vol_info->vol_cls, NULL, + gcpl_id, gapl_id, dxpl_id, H5_REQUEST_NULL))) + HGOTO_ERROR(H5E_SYM, H5E_CANTINIT, FAIL, "unable to create group") - /* Get the new group's object location */ - if(NULL == (oloc = H5G_oloc(grp))) - HDONE_ERROR(H5E_SYM, H5E_CANTGET, FAIL, "unable to get object location of group") + /* Get an atom for the group */ + if((ret_value = H5VL_register_id(H5I_GROUP, grp, obj->vol_info, TRUE)) < 0) + HGOTO_ERROR(H5E_ATOM, H5E_CANTREGISTER, FAIL, "unable to atomize group handle") - /* Decrement refcount on group's object header in memory */ - if(H5O_dec_rc_by_loc(oloc, dxpl_id) < 0) - HDONE_ERROR(H5E_SYM, H5E_CANTDEC, FAIL, "unable to decrement refcount on newly created object") - } /* end if */ - - /* Cleanup on failure */ - if(ret_value < 0) - if(grp && H5G_close(grp) < 0) +done: + if (ret_value < 0 && grp) + if(H5VL_group_close (grp, obj->vol_info->vol_cls, dxpl_id, H5_REQUEST_NULL) < 0) HDONE_ERROR(H5E_SYM, H5E_CLOSEERROR, FAIL, "unable to release group") - FUNC_LEAVE_API(ret_value) } /* end H5Gcreate_anon() */ @@ -451,17 +453,16 @@ done: hid_t H5Gopen2(hid_t loc_id, const char *name, hid_t gapl_id) { - H5G_t *grp = NULL; /* Group opened */ - H5G_loc_t loc; /* Location of parent for group */ - hid_t dxpl_id = H5AC_ind_read_dxpl_id; /* dxpl used by library */ - hid_t ret_value; /* Return value */ + void *grp = NULL; /* group token from VOL plugin */ + H5VL_object_t *obj = NULL; /* object token of loc_id */ + H5VL_loc_params_t loc_params; + hid_t dxpl_id = H5AC_ind_read_dxpl_id; /* dxpl used by library */ + hid_t ret_value; /* Return value */ FUNC_ENTER_API(FAIL) H5TRACE3("i", "i*si", loc_id, name, gapl_id); /* Check args */ - if(H5G_loc(loc_id, &loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location") if(!name || !*name) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no name") @@ -469,20 +470,26 @@ H5Gopen2(hid_t loc_id, const char *name, hid_t gapl_id) if(H5P_verify_apl_and_dxpl(&gapl_id, H5P_CLS_GACC, &dxpl_id, loc_id, FALSE) < 0) HGOTO_ERROR(H5E_SYM, H5E_CANTSET, FAIL, "can't set access and transfer property lists") - /* Open the group */ - if((grp = H5G__open_name(&loc, name, gapl_id, dxpl_id)) == NULL) - HGOTO_ERROR(H5E_SYM, H5E_CANTOPENOBJ, FAIL, "unable to open group") + loc_params.type = H5VL_OBJECT_BY_SELF; + loc_params.obj_type = H5I_get_type(loc_id); + + /* get the location object */ + if(NULL == (obj = (H5VL_object_t *)H5I_object(loc_id))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid location identifier") - /* Register an ID for the group */ - if((ret_value = H5I_register(H5I_GROUP, grp, TRUE)) < 0) - HGOTO_ERROR(H5E_ATOM, H5E_CANTREGISTER, FAIL, "unable to register group") + /* Create the group through the VOL */ + if(NULL == (grp = H5VL_group_open(obj->vol_obj, loc_params, obj->vol_info->vol_cls, + name, gapl_id, dxpl_id, H5_REQUEST_NULL))) + HGOTO_ERROR(H5E_SYM, H5E_CANTOPENOBJ, FAIL, "unable to open group") + + /* Get an atom for the group */ + if((ret_value = H5VL_register_id(H5I_GROUP, grp, obj->vol_info, TRUE)) < 0) + HGOTO_ERROR(H5E_ATOM, H5E_CANTREGISTER, FAIL, "unable to atomize group handle") done: - if(ret_value < 0) { - if(grp && H5G_close(grp) < 0) + if (ret_value < 0 && grp) + if(H5VL_group_close (grp, obj->vol_info->vol_cls, dxpl_id, H5_REQUEST_NULL) < 0) HDONE_ERROR(H5E_SYM, H5E_CLOSEERROR, FAIL, "unable to release group") - } /* end if */ - FUNC_LEAVE_API(ret_value) } /* end H5Gopen2() */ @@ -504,20 +511,21 @@ done: *------------------------------------------------------------------------- */ hid_t -H5Gget_create_plist(hid_t group_id) +H5Gget_create_plist(hid_t grp_id) { - H5G_t *group = NULL; - hid_t ret_value = FAIL; + H5VL_object_t *grp; + hid_t ret_value = FAIL; FUNC_ENTER_API(FAIL) - H5TRACE1("i", "i", group_id); + H5TRACE1("i", "i", grp_id); /* Check args */ - if(NULL == (group = (H5G_t *)H5I_object_verify(group_id, H5I_GROUP))) + if(NULL == (grp = (H5VL_object_t *)H5I_object_verify(grp_id, H5I_GROUP))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a group") - if((ret_value = H5G_get_create_plist(group)) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a group") + if(H5VL_group_get(grp->vol_obj, grp->vol_info->vol_cls, H5VL_GROUP_GET_GCPL, + H5AC_ind_read_dxpl_id, H5_REQUEST_NULL, &ret_value) < 0) + HGOTO_ERROR(H5E_INTERNAL, H5E_CANTGET, FAIL, "unable to get group creation properties") done: FUNC_LEAVE_API(ret_value) @@ -538,29 +546,34 @@ done: *------------------------------------------------------------------------- */ herr_t -H5Gget_info(hid_t grp_id, H5G_info_t *grp_info) +H5Gget_info(hid_t loc_id, H5G_info_t *grp_info) { + H5VL_object_t *obj; H5I_type_t id_type; /* Type of ID */ - H5G_loc_t loc; /* Location of group */ + H5VL_loc_params_t loc_params; herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) - H5TRACE2("e", "i*x", grp_id, grp_info); + H5TRACE2("e", "i*x", loc_id, grp_info); /* Check args */ - id_type = H5I_get_type(grp_id); + id_type = H5I_get_type(loc_id); if(!(H5I_GROUP == id_type || H5I_FILE == id_type)) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "invalid argument") if(!grp_info) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no info struct") - /* Get group location */ - if(H5G_loc(grp_id, &loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location") + /* get the location object */ + if(NULL == (obj = (H5VL_object_t *)H5I_object(loc_id))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid location identifier") + + loc_params.type = H5VL_OBJECT_BY_SELF; + loc_params.obj_type = id_type; - /* Retrieve the group's information */ - if(H5G__obj_info(loc.oloc, grp_info/*out*/, H5AC_ind_read_dxpl_id) < 0) - HGOTO_ERROR(H5E_SYM, H5E_CANTGET, FAIL, "can't retrieve group info") + /* Get the group info through the VOL using the location token */ + if((ret_value = H5VL_group_get(obj->vol_obj, obj->vol_info->vol_cls, H5VL_GROUP_GET_INFO, + H5AC_ind_read_dxpl_id, H5_REQUEST_NULL, loc_params, grp_info)) < 0) + HGOTO_ERROR(H5E_INTERNAL, H5E_CANTGET, FAIL, "unable to get group info") done: FUNC_LEAVE_API(ret_value) @@ -584,11 +597,8 @@ herr_t H5Gget_info_by_name(hid_t loc_id, const char *name, H5G_info_t *grp_info, hid_t lapl_id) { - H5G_loc_t loc; /* Location of group */ - H5G_loc_t grp_loc; /* Location used to open group */ - H5G_name_t grp_path; /* Opened object group hier. path */ - H5O_loc_t grp_oloc; /* Opened object object location */ - hbool_t loc_found = FALSE; /* Location at 'name' found */ + H5VL_object_t *obj; + H5VL_loc_params_t loc_params; hid_t dxpl_id = H5AC_ind_read_dxpl_id; /* dxpl used by library */ herr_t ret_value = SUCCEED; /* Return value */ @@ -596,8 +606,6 @@ H5Gget_info_by_name(hid_t loc_id, const char *name, H5G_info_t *grp_info, H5TRACE4("e", "i*s*xi", loc_id, name, grp_info, lapl_id); /* Check args */ - if(H5G_loc(loc_id, &loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location") if(!name || !*name) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no name") if(!grp_info) @@ -607,24 +615,21 @@ H5Gget_info_by_name(hid_t loc_id, const char *name, H5G_info_t *grp_info, if(H5P_verify_apl_and_dxpl(&lapl_id, H5P_CLS_LACC, &dxpl_id, loc_id, FALSE) < 0) HGOTO_ERROR(H5E_SYM, H5E_CANTSET, FAIL, "can't set access and transfer property lists") - /* Set up opened group location to fill in */ - grp_loc.oloc = &grp_oloc; - grp_loc.path = &grp_path; - H5G_loc_reset(&grp_loc); + loc_params.type = H5VL_OBJECT_BY_NAME; + loc_params.loc_data.loc_by_name.name = name; + loc_params.loc_data.loc_by_name.lapl_id = lapl_id; + loc_params.obj_type = H5I_get_type(loc_id); - /* Find the group object */ - if(H5G_loc_find(&loc, name, &grp_loc/*out*/, lapl_id, dxpl_id) < 0) - HGOTO_ERROR(H5E_SYM, H5E_NOTFOUND, FAIL, "group not found") - loc_found = TRUE; + /* get the location object */ + if(NULL == (obj = (H5VL_object_t *)H5I_object(loc_id))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid location identifier") - /* Retrieve the group's information */ - if(H5G__obj_info(grp_loc.oloc, grp_info/*out*/, dxpl_id) < 0) - HGOTO_ERROR(H5E_SYM, H5E_CANTGET, FAIL, "can't retrieve group info") + /* Get the group info through the VOL using the location token */ + if((ret_value = H5VL_group_get(obj->vol_obj, obj->vol_info->vol_cls, H5VL_GROUP_GET_INFO, + dxpl_id, H5_REQUEST_NULL, loc_params, grp_info)) < 0) + HGOTO_ERROR(H5E_INTERNAL, H5E_CANTGET, FAIL, "unable to get group info") done: - if(loc_found && H5G_loc_free(&grp_loc) < 0) - HDONE_ERROR(H5E_SYM, H5E_CANTRELEASE, FAIL, "can't free location") - FUNC_LEAVE_API(ret_value) } /* end H5Gget_info_by_name() */ @@ -647,11 +652,8 @@ herr_t H5Gget_info_by_idx(hid_t loc_id, const char *group_name, H5_index_t idx_type, H5_iter_order_t order, hsize_t n, H5G_info_t *grp_info, hid_t lapl_id) { - H5G_loc_t loc; /* Location of group */ - H5G_loc_t grp_loc; /* Location used to open group */ - H5G_name_t grp_path; /* Opened object group hier. path */ - H5O_loc_t grp_oloc; /* Opened object object location */ - hbool_t loc_found = FALSE; /* Entry at 'name' found */ + H5VL_object_t *obj; + H5VL_loc_params_t loc_params; hid_t dxpl_id = H5AC_ind_read_dxpl_id; /* dxpl used by library */ herr_t ret_value = SUCCEED; /* Return value */ @@ -660,8 +662,6 @@ H5Gget_info_by_idx(hid_t loc_id, const char *group_name, H5_index_t idx_type, lapl_id); /* Check args */ - if(H5G_loc(loc_id, &loc) < 0) - HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a location") if(!group_name || !*group_name) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no name specified") if(idx_type <= H5_INDEX_UNKNOWN || idx_type >= H5_INDEX_N) @@ -675,26 +675,24 @@ H5Gget_info_by_idx(hid_t loc_id, const char *group_name, H5_index_t idx_type, if(H5P_verify_apl_and_dxpl(&lapl_id, H5P_CLS_LACC, &dxpl_id, loc_id, FALSE) < 0) HGOTO_ERROR(H5E_SYM, H5E_CANTSET, FAIL, "can't set access and transfer property lists") - /* Set up opened group location to fill in */ - grp_loc.oloc = &grp_oloc; - grp_loc.path = &grp_path; - H5G_loc_reset(&grp_loc); + loc_params.type = H5VL_OBJECT_BY_IDX; + loc_params.loc_data.loc_by_idx.name = group_name; + loc_params.loc_data.loc_by_idx.idx_type = idx_type; + loc_params.loc_data.loc_by_idx.order = order; + loc_params.loc_data.loc_by_idx.n = n; + loc_params.loc_data.loc_by_idx.lapl_id = lapl_id; + loc_params.obj_type = H5I_get_type(loc_id); - /* Find the object's location, according to the order in the index */ - if(H5G_loc_find_by_idx(&loc, group_name, idx_type, order, n, &grp_loc/*out*/, - lapl_id, dxpl_id) < 0) - HGOTO_ERROR(H5E_SYM, H5E_NOTFOUND, FAIL, "group not found") - loc_found = TRUE; + /* get the location object */ + if(NULL == (obj = (H5VL_object_t *)H5I_object(loc_id))) + HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid location identifier") - /* Retrieve the group's information */ - if(H5G__obj_info(grp_loc.oloc, grp_info/*out*/, dxpl_id) < 0) - HGOTO_ERROR(H5E_SYM, H5E_CANTGET, FAIL, "can't retrieve group info") + /* Get the group info through the VOL using the location token */ + if((ret_value = H5VL_group_get(obj->vol_obj, obj->vol_info->vol_cls, H5VL_GROUP_GET_INFO, + dxpl_id, H5_REQUEST_NULL, loc_params, grp_info)) < 0) + HGOTO_ERROR(H5E_INTERNAL, H5E_CANTGET, FAIL, "unable to get group info") done: - /* Release the object location */ - if(loc_found && H5G_loc_free(&grp_loc) < 0) - HDONE_ERROR(H5E_SYM, H5E_CANTRELEASE, FAIL, "can't free location") - FUNC_LEAVE_API(ret_value) } /* end H5Gget_info_by_idx() */ @@ -735,3 +733,38 @@ done: FUNC_LEAVE_API(ret_value) } /* end H5Gclose() */ + +/*------------------------------------------------------------------------- + * Function: H5G_close_group + * + * Purpose: Called when the ref count reaches zero on the group_id + * + * Return: Success: Non-negative + * + * Failure: Negative + * + * Programmer: Mohamad Chaarawi + * June 2012 + * + *------------------------------------------------------------------------- + */ +herr_t +H5G_close_group(void *_grp) +{ + H5VL_object_t *grp = (H5VL_object_t *)_grp; + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_NOAPI_NOINIT + + /* Close the group through the VOL*/ + if((ret_value = H5VL_group_close(grp->vol_obj, grp->vol_info->vol_cls, + H5AC_ind_read_dxpl_id, H5_REQUEST_NULL)) < 0) + HGOTO_ERROR(H5E_SYM, H5E_CLOSEERROR, FAIL, "unable to close group") + + /* free group */ + if(H5VL_free_object(grp) < 0) + HGOTO_ERROR(H5E_ATTR, H5E_CANTDEC, FAIL, "unable to free VOL object") + +done: + FUNC_LEAVE_NOAPI(ret_value) +} /* end H5G_close_group() */ |