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ncmpi_vol_att.cpp
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ncmpi_vol_att.cpp
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#include "ncmpi_vol.h"
#include "pnetcdf.h"
/********************* */
/* Function prototypes */
/********************* */
H5_DLL void *H5VL_ncmpi_attr_create(void *obj, const H5VL_loc_params_t *loc_params, const char *attr_name, hid_t type_id, hid_t space_id, hid_t acpl_id, hid_t aapl_id, hid_t dxpl_id, void **req);
void *H5VL_ncmpi_attr_open(void *obj, const H5VL_loc_params_t *loc_params, const char *attr_name, hid_t aapl_id, hid_t dxpl_id, void **req);
H5_DLL herr_t H5VL_ncmpi_attr_read(void *attr, hid_t dtype_id, void *buf, hid_t dxpl_id, void **req);
H5_DLL herr_t H5VL_ncmpi_attr_write(void *attr, hid_t dtype_id, const void *buf, hid_t dxpl_id, void **req);
H5_DLL herr_t H5VL_ncmpi_attr_get(void *obj, H5VL_attr_get_t get_type, hid_t dxpl_id, void **req, va_list arguments);
H5_DLL herr_t H5VL_ncmpi_attr_specific(void *obj, const H5VL_loc_params_t *loc_params, H5VL_attr_specific_t specific_type, hid_t dxpl_id, void **req, va_list arguments);
H5_DLL herr_t H5VL_ncmpi_attr_optional(void *obj, H5VL_file_optional_t opt_type, hid_t dxpl_id, void **req, va_list arguments);
H5_DLL herr_t H5VL_ncmpi_attr_close(void *attr, hid_t dxpl_id, void **req);
const H5VL_attr_class_t H5VL_ncmpi_attr_g{
H5VL_ncmpi_attr_create, /* create */
H5VL_ncmpi_attr_open, /* open */
H5VL_ncmpi_attr_read, /* read */
H5VL_ncmpi_attr_write, /* write */
H5VL_ncmpi_attr_get, /* get */
H5VL_ncmpi_attr_specific, /* specific */
H5VL_ncmpi_attr_optional, /* optional */
H5VL_ncmpi_attr_close /* close */
};
/*-------------------------------------------------------------------------
* Function: H5VL_ncmpi_attr_create
*
* Purpose: Handles the attribute create callback
*
* Return: Success: attribute pointer
* Failure: NULL
*
*-------------------------------------------------------------------------
*/
void *H5VL_ncmpi_attr_create( void *obj, const H5VL_loc_params_t *loc_params, const char *attr_name,
hid_t type_id, hid_t space_id, hid_t acpl_id, hid_t aapl_id,
hid_t dxpl_id, void **req) {
int err;
int i;
int ndim;
hsize_t *dims;
int varid;
nc_type type;
char *buf = NULL;
char path[PNC_VOL_MAX_NAME];
char *ppath;
H5VL_ncmpi_attr_t *attp;
H5VL_ncmpi_file_t *fp;
/* Check arguments */
if((loc_params->obj_type != H5I_FILE) && (loc_params->obj_type != H5I_GROUP) && (loc_params->obj_type != H5I_DATASET)) RET_ERRN("container not a file or group or dataset")
if(loc_params->type != H5VL_OBJECT_BY_SELF) RET_ERRN("loc_params->type is not H5VL_OBJECT_BY_SELF")
//if(H5I_DATATYPE != H5Iget_type(type_id)) RET_ERRN("invalid datatype ID")
if(H5I_DATASPACE != H5Iget_type(space_id)) RET_ERRN("invalid dataspace ID")
if (loc_params->obj_type == H5I_FILE){
fp = (H5VL_ncmpi_file_t*)obj;
varid = NC_GLOBAL;
ppath = NULL;
}
else if (loc_params->obj_type == H5I_GROUP){
fp = ((H5VL_ncmpi_group_t*)obj)->fp;
ppath = ((H5VL_ncmpi_group_t*)obj)->path;
varid = NC_GLOBAL;
}
else{
fp = ((H5VL_ncmpi_dataset_t*)obj)->fp;
varid = ((H5VL_ncmpi_dataset_t*)obj)->varid;
ppath = NULL;
}
// Convert to NC type
//type = h5t_to_nc_type(type_id);
type = (nc_type)type_id;
if (type == NC_NAT) RET_ERRN("only native type is supported")
// Enter define mode
err = enter_define_mode(fp); CHECK_ERRN
attp = (H5VL_ncmpi_attr_t*)malloc(sizeof(H5VL_ncmpi_attr_t));
attp->objtype = H5I_ATTR;
attp->acpl_id = acpl_id;
attp->aapl_id = aapl_id;
attp->dxpl_id = dxpl_id;
attp->type = type;
attp->varid = varid;
attp->fp = fp;
if (ppath == NULL){
sprintf(attp->path, "%s", attr_name);
attp->name = attp->path;
}
else{
sprintf(attp->path, "%s_%s", ppath, attr_name);
attp->name = attp->path + strlen(ppath) + 1;
}
ndim = H5Sget_simple_extent_ndims(space_id);
if (ndim < 0) RET_ERRN("ndim < 0")
if (ndim > 1) RET_ERRN("Attribute dimension > 1 is not supported")
dims = (hsize_t*)malloc(sizeof(hsize_t) * ndim);
H5Sget_simple_extent_dims(space_id, dims, NULL);
attp->size = 1;
for(i = 0; i < ndim; i++){
attp->size *= dims[i];
}
buf = (char*)malloc(attp->size * nc_type_size(type));
memset(buf, 0, attp->size * nc_type_size(type));
err = ncmpi_put_att(fp->ncid, varid, attp->path, type, attp->size, buf); CHECK_ERRJ
free(buf);
buf = NULL;
err = ncmpi_inq_attid(fp->ncid, varid, attp->path, &(attp->attid)); CHECK_ERRJ
return (void *)attp;
errout:
free(attp);
if (buf != NULL){
free(buf);
}
return NULL;
} /* end H5VL_ncmpi_attr_create() */
/*-------------------------------------------------------------------------
* Function: H5VL_ncmpi_attr_open
*
* Purpose: Handles the attribute open callback
*
* Return: Success: attribute pointer
* Failure: NULL
*
*-------------------------------------------------------------------------
*/
void *H5VL_ncmpi_attr_open(void *obj, const H5VL_loc_params_t *loc_params, const char *attr_name,
hid_t aapl_id, hid_t dxpl_id, void **req) {
int err;
int i;
int ndim;
hsize_t *dims;
int varid;
nc_type type;
char *buf = NULL;
char path[PNC_VOL_MAX_NAME];
char *ppath;
H5VL_ncmpi_file_t *fp;
H5VL_ncmpi_attr_t *attp;
/* Check arguments */
if((loc_params->obj_type != H5I_FILE) && (loc_params->obj_type != H5I_GROUP) && (loc_params->obj_type != H5I_DATASET)) RET_ERRN("container not a file or group or dataset")
//if(loc_params->type != H5VL_OBJECT_BY_SELF) RET_ERRN("loc_params->type is not H5VL_OBJECT_BY_SELF")
if (loc_params->type == H5VL_OBJECT_BY_SELF){
if (loc_params->obj_type == H5I_FILE){
fp = (H5VL_ncmpi_file_t*)obj;
varid = NC_GLOBAL;
ppath = NULL;
}
else if (loc_params->obj_type == H5I_GROUP){
fp = ((H5VL_ncmpi_group_t*)obj)->fp;
ppath = ((H5VL_ncmpi_group_t*)obj)->path;
varid = NC_GLOBAL;
}
else{
fp = ((H5VL_ncmpi_dataset_t*)obj)->fp;
varid = ((H5VL_ncmpi_dataset_t*)obj)->varid;
ppath = NULL;
}
}
else if (loc_params->type == H5VL_OBJECT_BY_NAME){
if (loc_params->obj_type == H5I_FILE){
fp = (H5VL_ncmpi_file_t*)obj;
ppath = NULL;
varid = NC_GLOBAL;
}
else if (loc_params->obj_type == H5I_GROUP){
fp = ((H5VL_ncmpi_group_t*)obj)->fp;
ppath = ((H5VL_ncmpi_group_t*)obj)->path;
varid = NC_GLOBAL;
}
else{
RET_ERRN("loc_params->type is not H5VL_OBJECT_BY_SELF")
}
// Try variable
if (ppath == NULL){
sprintf(path, "%s", loc_params->loc_data.loc_by_name.name);
}
else{
sprintf(path, "%s_%s", ppath, loc_params->loc_data.loc_by_name.name);
}
err = ncmpi_inq_varid(fp->ncid, path, &varid);
if (err != NC_NOERR){ // If not, it must be group
varid = NC_GLOBAL;
// Try group
if (ppath == NULL){
sprintf(path, "_group_%s", loc_params->loc_data.loc_by_name.name);
}
else{
sprintf(path, "_group_%s_%s", ppath, loc_params->loc_data.loc_by_name.name);
}
err = ncmpi_inq_attid(fp->ncid, varid, path, &i);
if (err != NC_NOERR){ // Neither, something wrong
RET_ERRN("Specified object name not found")
}
if (ppath == NULL){
sprintf(path, "%s", loc_params->loc_data.loc_by_name.name);
}
else{
sprintf(path, "%s_%s", ppath, loc_params->loc_data.loc_by_name.name);
}
ppath = path;
}
else{
ppath = NULL;
}
}
attp = (H5VL_ncmpi_attr_t*)malloc(sizeof(H5VL_ncmpi_attr_t));
attp->objtype = H5I_ATTR;
attp->acpl_id = -1;
attp->aapl_id = aapl_id;
attp->dxpl_id = dxpl_id;
attp->varid = varid;
attp->fp->ncid = fp->ncid;
if (ppath == NULL){
sprintf(attp->path, "%s", attr_name);
attp->name = attp->path;
}
else{
sprintf(attp->path, "%s_%s", ppath, attr_name);
attp->name = attp->path + strlen(ppath) + 1;
}
err = ncmpi_inq_attid(fp->ncid, varid, attp->path, &(attp->attid)); CHECK_ERRJ
err = ncmpi_inq_attlen(fp->ncid, varid, attp->path, &(attp->size)); CHECK_ERRJ
err = ncmpi_inq_atttype(fp->ncid, varid, attp->path, &(attp->type)); CHECK_ERRJ
return (void *)attp;
errout:
free(attp);
if (buf != NULL){
free(buf);
}
return NULL;
} /* end H5VL_ncmpi_attr_open() */
/*-------------------------------------------------------------------------
* Function: H5VL_ncmpi_attr_read
*
* Purpose: Handles the attribute read callback
*
* Return: SUCCEED/FAIL
*
*-------------------------------------------------------------------------
*/
herr_t H5VL_ncmpi_attr_read(void *attr, hid_t dtype_id, void *buf,
hid_t dxpl_id, void **req) {
int err;
MPI_Datatype type;
H5VL_ncmpi_attr_t *ap = (H5VL_ncmpi_attr_t*)attr;
/* Check arguments */
if(H5I_DATATYPE != H5Iget_type(dtype_id)) RET_ERR("invalid datatype ID")
// Convert to MPI type
type = h5t_to_mpi_type(dtype_id);
if (type == MPI_DATATYPE_NULL) RET_ERR("memory type not supported")
// Call PnetCDF
if (type == MPI_CHAR) err = ncmpi_get_att_text(ap->fp->ncid, ap->varid, ap->path, (char*)buf);
else if (type == MPI_SHORT) err = ncmpi_get_att_short(ap->fp->ncid, ap->varid, ap->path, (short*)buf);
else if ((type == MPI_INT) || (type == MPI_LONG)) err = ncmpi_get_att_int(ap->fp->ncid, ap->varid, ap->path, (int*)buf);
else if (type == MPI_LONG_LONG) err = ncmpi_get_att_longlong(ap->fp->ncid, ap->varid, ap->path, (long long*)buf);
else if (type == MPI_UNSIGNED_SHORT) err = ncmpi_get_att_ushort(ap->fp->ncid, ap->varid, ap->path, (unsigned short*)buf);
else if ((type == MPI_UNSIGNED) || (type == MPI_UNSIGNED_LONG)) err = ncmpi_get_att_uint(ap->fp->ncid, ap->varid, ap->path, (unsigned int*)buf);
else if (type == MPI_UNSIGNED_LONG_LONG) err = ncmpi_get_att_ulonglong(ap->fp->ncid, ap->varid, ap->path, (unsigned long long*)buf);
else if (type == MPI_FLOAT) err = ncmpi_get_att_float(ap->fp->ncid, ap->varid, ap->path, (float*)buf);
else if (type == MPI_DOUBLE) err = ncmpi_get_att_double(ap->fp->ncid, ap->varid, ap->path, (double*)buf);
else RET_ERR("memory type not supported")
CHECK_ERR
return 0;
} /* end H5VL_ncmpi_attr_read() */
/*-------------------------------------------------------------------------
* Function: H5VL_ncmpi_attr_write
*
* Purpose: Handles the attribute write callback
*
* Return: SUCCEED/FAIL
*
*-------------------------------------------------------------------------
*/
herr_t H5VL_ncmpi_attr_write(void *attr, hid_t dtype_id, const void *buf,
hid_t dxpl_id, void **req) {
int err;
nc_type type;
H5VL_ncmpi_attr_t *ap = (H5VL_ncmpi_attr_t*)attr;
/* Check arguments */
if(H5I_DATATYPE != H5Iget_type(dtype_id)) RET_ERR("invalid datatype ID")
// Convert to NC type
type = h5t_to_mpi_type(dtype_id);
if (type == MPI_DATATYPE_NULL) RET_ERR("memory type not supported")
// Enter define mode
err = enter_define_mode(ap->fp); CHECK_ERR
// Call PnetCDF
if (type == MPI_CHAR) err = ncmpi_put_att_text(ap->fp->ncid, ap->varid, ap->path, ap->size, (char*)buf);
else if (type == MPI_SHORT) err = ncmpi_put_att_short(ap->fp->ncid, ap->varid, ap->path, ap->type, ap->size, (short*)buf);
else if ((type == MPI_INT) || (type == MPI_LONG)) err = ncmpi_put_att_int(ap->fp->ncid, ap->varid, ap->path, ap->type, ap->size, (int*)buf);
else if (type == MPI_LONG_LONG) err = ncmpi_put_att_longlong(ap->fp->ncid, ap->varid, ap->path, ap->type, ap->size, (long long*)buf);
else if (type == MPI_UNSIGNED_SHORT) err = ncmpi_put_att_ushort(ap->fp->ncid, ap->varid, ap->path, ap->type, ap->size, (unsigned short*)buf);
else if ((type == MPI_UNSIGNED) || (type == MPI_UNSIGNED_LONG)) err = ncmpi_put_att_uint(ap->fp->ncid, ap->varid, ap->path, ap->type, ap->size, (unsigned int*)buf);
else if (type == MPI_UNSIGNED_LONG_LONG) err = ncmpi_put_att_ulonglong(ap->fp->ncid, ap->varid, ap->path, ap->type, ap->size, (unsigned long long*)buf);
else if (type == MPI_FLOAT) err = ncmpi_put_att_float(ap->fp->ncid, ap->varid, ap->path, ap->type, ap->size, (float*)buf);
else if (type == MPI_DOUBLE) err = ncmpi_put_att_double(ap->fp->ncid, ap->varid, ap->path, ap->type, ap->size, (double*)buf);
else RET_ERR("memory type not supported")
CHECK_ERR
return 0;
} /* end H5VL_ncmpi_attr_write() */
/*-------------------------------------------------------------------------
* Function: H5VL_ncmpi_attr_get
*
* Purpose: Handles the attribute get callback
*
* Return: SUCCEED/FAIL
*
*-------------------------------------------------------------------------
*/
herr_t H5VL_ncmpi_attr_get( void *obj, H5VL_attr_get_t get_type,
hid_t dxpl_id, void **req, va_list arguments) {
int err;
switch(get_type) {
/* H5Aget_space */
case H5VL_ATTR_GET_SPACE:
{
MPI_Offset dlen;
hsize_t dim;
hid_t *ret_id = va_arg(arguments, hid_t*);
H5VL_ncmpi_attr_t *attp = (H5VL_ncmpi_attr_t*)obj;
// Get att size
err = ncmpi_inq_attlen(attp->fp->ncid, attp->varid, attp->name, &dlen); CHECK_ERR
dim = dlen;
// NetCDF attribute is always 1-D
*ret_id = H5Screate_simple(1, &dim, NULL);
break;
}
/* H5Aget_type */
case H5VL_ATTR_GET_TYPE:
{
hid_t *ret_id = va_arg(arguments, hid_t *);
H5VL_ncmpi_attr_t *attp = (H5VL_ncmpi_attr_t*)obj;
*ret_id = nc_to_h5t_type(attp->type);
if ((*ret_id) < 0){
return -1;
}
break;
}
/* H5Aget_create_plist */
case H5VL_ATTR_GET_ACPL:
{
hid_t *ret_id = va_arg(arguments, hid_t *);
H5VL_ncmpi_attr_t *attp = (H5VL_ncmpi_attr_t*)obj;
*ret_id = attp->acpl_id;
break;
}
/* H5Aget_name */
case H5VL_ATTR_GET_NAME:
{
const H5VL_loc_params_t *loc_params = va_arg(arguments, const H5VL_loc_params_t *);
size_t buf_size = va_arg(arguments, size_t);
char *buf = va_arg(arguments, char *);
ssize_t *ret_val = va_arg(arguments, ssize_t *);
int i;
if(loc_params->type == H5VL_OBJECT_BY_SELF) {
H5VL_ncmpi_attr_t *attp = (H5VL_ncmpi_attr_t*)obj;
// Name can be changed, we need to update it
err = ncmpi_inq_attname(attp->fp->ncid, attp->varid, attp->attid, attp->path);
for(i = strlen(attp->path); i > -1; i--){
if (attp->path[i] == '_'){
break;
}
}
attp->name = attp->path + i + 1;
*ret_val = strlen(attp->name);
if (buf_size > (*ret_val)){
strcpy(buf, attp->name);
}
}
else if(loc_params->type == H5VL_OBJECT_BY_IDX) {
RET_ERR("loc_params type not supported")
}
else{
RET_ERR("loc_params type not supported")
}
break;
}
/* H5Aget_info */
case H5VL_ATTR_GET_INFO:
{
MPI_Offset dlen;
const H5VL_loc_params_t *loc_params = va_arg(arguments, const H5VL_loc_params_t *);
H5A_info_t *ainfo = va_arg(arguments, H5A_info_t *);
H5VL_ncmpi_attr_t *attr = NULL;
if(loc_params->type == H5VL_OBJECT_BY_SELF) {
H5VL_ncmpi_attr_t *attp = (H5VL_ncmpi_attr_t*)obj;
err = ncmpi_inq_attlen(attp->fp->ncid, attp->varid, attp->name, &dlen); CHECK_ERR
ainfo->data_size = dlen;
}
else if(loc_params->type == H5VL_OBJECT_BY_IDX) {
RET_ERR("loc_params type not supported")
}
else if(loc_params->type == H5VL_OBJECT_BY_NAME) {
int varid;
char *attr_name = va_arg(arguments, char *);
char *ppath;
char path[PNC_VOL_MAX_NAME];
H5VL_ncmpi_file_t *fp;
if (loc_params->obj_type == H5I_FILE){
fp = (H5VL_ncmpi_file_t*)obj;
ppath = NULL;
varid = NC_GLOBAL;
}
else if (loc_params->obj_type == H5I_GROUP){
fp = ((H5VL_ncmpi_group_t*)obj)->fp;
ppath = ((H5VL_ncmpi_group_t*)obj)->path;
varid = NC_GLOBAL;
}
else{
RET_ERR("loc_params->type is not H5VL_OBJECT_BY_SELF")
}
// Try variable
if (ppath == NULL){
sprintf(path, "%s", loc_params->loc_data.loc_by_name.name);
}
else{
sprintf(path, "%s_%s", ppath, loc_params->loc_data.loc_by_name.name);
}
err = ncmpi_inq_varid(fp->ncid, path, &varid);
if (err != NC_NOERR){ // If not, it must be group
int i;
varid = NC_GLOBAL;
// Try group
if (ppath == NULL){
sprintf(path, "_group_%s", loc_params->loc_data.loc_by_name.name);
}
else{
sprintf(path, "_group_%s_%s", ppath, loc_params->loc_data.loc_by_name.name);
}
err = ncmpi_inq_attid(fp->ncid, varid, path, &i);
if (err != NC_NOERR){ // Neither, something wrong
RET_ERR("Specified object name not found")
}
if (ppath == NULL){
sprintf(path, "%s_%s", loc_params->loc_data.loc_by_name.name, attr_name);
}
else{
sprintf(path, "%s_%s_%s", ppath, loc_params->loc_data.loc_by_name.name, attr_name);
}
}
else{
sprintf(path, "%s", attr_name);
}
err = ncmpi_inq_attlen(fp->ncid, varid, path, &dlen); CHECK_ERR
ainfo->data_size = dlen;
}
else{
RET_ERR("loc_params type not supported")
}
break;
}
case H5VL_ATTR_GET_STORAGE_SIZE:
{
MPI_Offset dlen;
hsize_t *ret = va_arg(arguments, hsize_t *);
H5VL_ncmpi_attr_t *attp = (H5VL_ncmpi_attr_t*)obj;
err = ncmpi_inq_attlen(attp->fp->ncid, attp->varid, attp->name, &dlen); CHECK_ERR
*ret = dlen * nc_type_size(attp->type);
break;
}
default:
RET_ERR("get_type not supported")
} /* end switch */
return 0;
} /* end H5VL_ncmpi_attr_get() */
/*-------------------------------------------------------------------------
* Function: H5VL_ncmpi_attr_specific
*
* Purpose: Handles the attribute specific callback
*
* Return: SUCCEED/FAIL
*
*-------------------------------------------------------------------------
*/
herr_t H5VL_ncmpi_attr_specific( void *obj, const H5VL_loc_params_t *loc_params, H5VL_attr_specific_t specific_type,
hid_t dxpl_id, void **req, va_list arguments) {
int err;
int varid;
char path[PNC_VOL_MAX_NAME];
char *ppath;
H5VL_ncmpi_attr_t *ap = NULL;
H5VL_ncmpi_file_t *fp = NULL;
if (loc_params->type == H5VL_OBJECT_BY_SELF){
if (loc_params->obj_type == H5I_FILE){
fp = (H5VL_ncmpi_file_t*)obj;
varid = NC_GLOBAL;
sprintf(path, "");
}
else if (loc_params->obj_type == H5I_GROUP){
fp = ((H5VL_ncmpi_group_t*)obj)->fp;
ppath = ((H5VL_ncmpi_group_t*)obj)->path;
sprintf(path, "%s_", ppath);
}
else{
fp = ((H5VL_ncmpi_dataset_t*)obj)->fp;
varid = ((H5VL_ncmpi_dataset_t*)obj)->varid;
sprintf(path, "");
}
}
else if (loc_params->type == H5VL_OBJECT_BY_NAME){
if (loc_params->obj_type == H5I_FILE){
fp = (H5VL_ncmpi_file_t*)obj;
ppath = NULL;
varid = NC_GLOBAL;
}
else if (loc_params->obj_type == H5I_GROUP){
fp = ((H5VL_ncmpi_group_t*)obj)->fp;
ppath = ((H5VL_ncmpi_group_t*)obj)->path;
varid = NC_GLOBAL;
}
else{
RET_ERR("loc_params->type is not H5VL_OBJECT_BY_SELF")
}
// Try variable
if (ppath == NULL){
sprintf(path, "%s", loc_params->loc_data.loc_by_name.name);
}
else{
sprintf(path, "%s_%s", ppath, loc_params->loc_data.loc_by_name.name);
}
err = ncmpi_inq_varid(fp->ncid, path, &varid);
if (err != NC_NOERR){ // If not, it must be group
int i;
varid = NC_GLOBAL;
// Try group
if (ppath == NULL){
sprintf(path, "_group_%s", loc_params->loc_data.loc_by_name.name);
}
else{
sprintf(path, "_group_%s_%s", ppath, loc_params->loc_data.loc_by_name.name);
}
err = ncmpi_inq_attid(fp->ncid, varid, path, &i);
if (err != NC_NOERR){ // Neither, something wrong
RET_ERR("Specified object name not found")
}
if (ppath == NULL){
sprintf(path, "%s_", loc_params->loc_data.loc_by_name.name);
}
else{
sprintf(path, "%s_%s_", ppath, loc_params->loc_data.loc_by_name.name);
}
}
else{
sprintf(path, "");
}
}
/* Check arguments */
switch(specific_type) {
case H5VL_ATTR_DELETE:
{
char *attr_name = va_arg(arguments, char *);
sprintf(path + strlen(path), "%s", attr_name);
err = ncmpi_del_att(fp->ncid, varid, path); CHECK_ERR
break;
}
case H5VL_ATTR_EXISTS:
{
const char *attr_name = va_arg(arguments, const char *);
htri_t *ret = va_arg(arguments, htri_t *);
int attid;
sprintf(path + strlen(path), "%s", attr_name);
*ret = 1;
err = ncmpi_inq_attid(fp->ncid, varid, path, &attid);
if (err == NC_ENOTATT){
err = NC_NOERR;
*ret = 0;
}
CHECK_ERR
break;
}
case H5VL_ATTR_ITER:
{
RET_ERR("specific_type not supported")
break;
}
/* H5Arename/rename_by_name */
case H5VL_ATTR_RENAME:
{
const char *old_name = va_arg(arguments, const char *);
const char *new_name = va_arg(arguments, const char *);
char newpath[PNC_VOL_MAX_NAME];
sprintf(newpath, "%s", path);
sprintf(path + strlen(path), "%s", old_name);
sprintf(newpath + strlen(newpath), "%s", new_name);
err = enter_define_mode(fp); CHECK_ERR
err = ncmpi_rename_att(fp->ncid, varid, path, newpath); CHECK_ERR
break;
}
default:
RET_ERR("specific_type not supported")
} /* end switch */
return 0;
} /* end H5VL_ncmpi_attr_specific() */
/*-------------------------------------------------------------------------
* Function: H5VL_ncmpi_attr_optional
*
* Purpose: Handles the attribute optional callback
*
* Return: SUCCEED/FAIL
*
*-------------------------------------------------------------------------
*/
herr_t H5VL_ncmpi_attr_optional(void *obj, H5VL_file_optional_t opt_type, hid_t dxpl_id, void **req, va_list arguments) {
herr_t ret_value = 0; /* Return value */
return 0;
} /* end H5VL_ncmpi_attr_optional() */
/*-------------------------------------------------------------------------
* Function: H5VL_ncmpi_attr_close
*
* Purpose: Handles the attribute close callback
*
* Return: Success: SUCCEED
* Failure: FAIL (attribute will not be closed)
*
*-------------------------------------------------------------------------
*/
herr_t H5VL_ncmpi_attr_close(void *attr, hid_t dxpl_id, void **req) {
H5VL_ncmpi_attr_t *ap = (H5VL_ncmpi_attr_t*)attr;
free(ap);
return 0;
} /* end H5VL_ncmpi_attr_close() */