// Write data to a striped object at the specified offset
// Implements the WriterAt interface
func (rso *RadosStripedObject) WriteAt(p []byte, off int64) (n int, err error) {
obj := C.CString(rso.ObjectName)
defer C.free(unsafe.Pointer(obj))
c_offset := C.uint64_t(off)
c_data := (*C.char)(unsafe.Pointer(&p[0]))
c_size := C.size_t(len(p))
ret := C.rados_striper_write(rso.Striper, obj, c_data, c_size, c_offset)
if ret < 0 {
return int(ret), errors.New("Unable to write")
} else {
return len(p), nil
}
}
func (sp *StriperPool) Write(oid string, data []byte, offset uint64) (int, error) {
if len(data) == 0 {
return 0, nil
}
c_oid := C.CString(oid)
defer C.free(unsafe.Pointer(c_oid))
ret := C.rados_striper_write(sp.striper, c_oid,
(*C.char)(unsafe.Pointer(&data[0])),
C.size_t(len(data)),
C.uint64_t(offset))
if ret >= 0 {
return int(ret), nil
} else {
return 0, RadosError(int(ret))
}
}