def createSystem(self): """ Create and return a brand new L{MemoryIOSystem}. The L{MemoryIOSystem} knows how to open new tunnel devices. @return: The newly created I/O system object. @rtype: L{MemoryIOSystem} """ system = MemoryIOSystem() system.registerSpecialDevice(Tunnel._DEVICE_NAME, Tunnel) return system
def setUp(self): """ Create an in-memory I/O system and set up a L{TuntapPort} against it. """ self.name = b"tun0" self.system = MemoryIOSystem() self.system.registerSpecialDevice(Tunnel._DEVICE_NAME, Tunnel) self.protocol = self.factory.buildProtocol( TunnelAddress(self.helper.TUNNEL_TYPE, self.name)) self.reactor = FSSetClock() self.port = TuntapPort(self.name, self.protocol, reactor=self.reactor, system=self.system)