def _datapath_connect(self, ryu_event):
"""Handle any/all re/connection of a datapath.
Args:
ryu_event (ryu.controller.ofp_event.Event)
"""
now = time.time()
valve, ryu_dp, _ = self._get_valve(ryu_event)
if valve is None:
return
discovered_up_ports = [
port.port_no for port in list(ryu_dp.ports.values())
if valve_of.port_status_from_state(port.state) and not valve_of.ignore_port(port.port_no)]
self._send_flow_msgs(valve, valve.datapath_connect(now, discovered_up_ports))
def _datapath_connect(self, ryu_event):
"""Handle any/all re/connection of a datapath.
Args:
ryu_event (ryu.controller.ofp_event.Event)
"""
now = time.time()
valve, ryu_dp, _ = self._get_valve(ryu_event)
if valve is None:
return
discovered_up_ports = [
port.port_no for port in list(ryu_dp.ports.values())
if (valve_of.port_status_from_state(port.state) and
not valve_of.ignore_port(port.port_no))]
self._send_flow_msgs(valve, valve.datapath_connect(now, discovered_up_ports))
def port_status_handler(self, ryu_event):
"""Handle a port status change event.
Args:
ryu_event (ryu.controller.ofp_event.EventOFPPortStatus): trigger.
"""
msg = ryu_event.msg
ryu_dp = msg.datapath
dp_id = ryu_dp.id
valve = self._get_valve(ryu_dp, 'port_status_handler', msg)
if valve is None:
return
if not valve.dp.running:
return
port_no = msg.desc.port_no
reason = msg.reason
port_status = valve_of.port_status_from_state(msg.desc.state)
self.logger.info('%s port state %u (reason %u)', dpid_log(dp_id),
msg.desc.state, reason)
flowmods = valve.port_status_handler(port_no, reason, port_status)
self._send_flow_msgs(dp_id, flowmods)
def port_up_valid(port):
"""Return True if port is up and in valid range."""
return valve_of.port_status_from_state(
port.state) and not valve_of.ignore_port(port.port_no)
