cdef class RemoteCommandHandler:
    cdef object _on_command
    cdef object _context
    cdef object _socket
    cdef object _shutdown_event
    cdef object _pull_socket
    cdef object _pull_thread
    cdef object _push_socket
    cdef object _push_queue
    cdef object _push_thread

    cdef start(self)
    cdef _pull_loop(self)
    cdef _push_loop(self)
    cdef send(self, bytes message_bytes)
    cdef close(self)