def dcc_accept(self, mask, filepath, port, pos):
        """accept a DCC RESUME for an axisting DCC SEND. filepath is the
        filename to sent.  port is the port opened on the server.
        pos is the expected offset"""
        return self.dcc.resume(mask, filepath, port, pos)
accept a DCC RESUME for an axisting DCC SEND. filepath is the
        filename to sent.  port is the port opened on the server.
        pos is the expected offset