def _handle_HostEvent (self, event):
entry = event.entry
if event.move:
log.warn('cannot handle moving hosts (%s)' % entry)
return
host = core.topology.getEntityByID(entry.macaddr)
if host is None:
host = Host(entry.macaddr)
core.topology.addEntity(host)
if core.Outband.t.mac(entry.macaddr):
host.dpid = core.Outband.t.mac(entry.macaddr).dpid
else:
log.debug('mac not found %s' % entry.macaddr)
val = 0
for i, v in enumerate(entry.macaddr.toTuple()):
val += (256 ** (5 - i)) * v
host.dpid = val
sw = core.topology.getEntityByID(entry.dpid)
if sw is None:
log.warn('unknown host (%s)' % entry.dpid)
return
if event.entry.port not in sw.ports:
log.warn('unknown port (%s, %s)' % (entry.dpid, entry.port))
return
if event.join:
log.debug('join (%s %s)' % (sw, host.id))
sw.ports[entry.port].addEntity(host, single=True)
else:
log.debug('leave (%s %s)' % (sw, host.id))
sw.ports[entry.port].entities.discard(host)
def __init__(self, macAddr, ofp, ipAddr = None):
if not macAddr:
raise AssertionError("ScnOpenFlowHost should have a Mac address")
Host.__init__(self)
EventMixin.__init__(self)
self.macAddr = macAddr
self.ipAddr = ipAddr
self.ofp = ofp
log.debug("ScnOpenFlowHost :%s", str(self))
