def tunnel_down(self, tunnel):
        self.controltunnels[tunnel.peer_node_id].close()
        del self.tunnels[tunnel.peer_node_id]
        del self.controltunnels[tunnel.peer_node_id]
        # We should always return True which sends an ACK on the destruction of the tunnel
        return True
Callback that the tunnel is not accepted or is going down
dataset/ETHPy150Open EricssonResearch/calvin-base/calvin/runtime/north/calvincontrol.py/CalvinControlTunnelServer.tunnel_down