NePA TesT: Community Network Emulator

"""

import os

import signal

import select

from time import sleep

from mininet.log import info, error, debug

        # However, this takes time, so we're better off removing them

        # explicitly so that we won't get errors if we run before they

        # have been removed by the kernel. Unfortunately this is very slow.

        for intf in self.intfs.values():

            quietRun( 'ip link del ' + intf )

            info( '.' )

        "Return IP address of interface 0"

        return self.ips.get( self.intfs.get( 0 , None ), None )

    def intfIsUp( self, port ):

        """Check if interface for a given port number is up.

           port: port number"""

    def stop( self ):

        "Terminate kernel datapath."

        quietRun( 'dpctl deldp nl:%i' % self.dp )

        self.deleteIntfs()

class OVSKernelSwitch( Switch ):

    def stop( self ):

        "Terminate kernel datapath."

        quietRun( 'ovs-dpctl del-dp dp%i' % self.dp )

        self.deleteIntfs()