#!/usr/bin/python

"""
Custom topology for Mininet
"""
from mininet.topo import Topo
from mininet.net import Mininet
from mininet.node import Host, RemoteController
from mininet.node import Node
from mininet.node import CPULimitedHost
from mininet.link import TCLink
from mininet.cli import CLI
from mininet.log import setLogLevel
from mininet.util import dumpNodeConnections
from mininet.node import ( UserSwitch, OVSSwitch, IVSSwitch )

class VLANHost( Host ):
    def config( self, vlan=100, v6Addr='3000::1/64', **params ):
        r = super( Host, self ).config( **params )
        intf = self.defaultIntf()
        self.cmd( 'ifconfig %s inet 0' % intf )
        self.cmd( 'vconfig add %s %d' % ( intf, vlan ) )
        self.cmd( 'ifconfig %s.%d inet %s' % ( intf, vlan, params['ip'] ) )
        self.cmd( 'ip -6 addr add %s dev %s.%d' % ( v6Addr, intf, vlan ) )
        newName = '%s.%d' % ( intf, vlan )
        intf.name = newName
        self.nameToIntf[ newName ] = intf
        return r

class IPv6Host( Host ):
    def config( self, v6Addr='1000::1/64', **params ):
        r = super( Host, self ).config( **params )
        intf = self.defaultIntf()
        self.cmd( 'ifconfig %s inet 0' % intf )
        self.cmd( 'ip -6 addr add %s dev %s' % ( v6Addr, intf ) )
        return r

class dualStackHost( Host ):
    def config( self, v6Addr='2000:1/64', **params ):
        r = super( Host, self ).config( **params )
        intf = self.defaultIntf()
        self.cmd( 'ip -6 addr add %s dev %s' % ( v6Addr, intf ) )
        return r

class MyTopo( Topo ):

    def __init__( self ):
        # Initialize topology
        Topo.__init__( self )
        # Switch S5 Hosts
        # IPv4 only Host
        host1=self.addHost( 'h1', ip='10.1.0.2/24' )
        # IPv6 only Host
        host2=self.addHost( 'h2', cls=IPv6Host, v6Addr='1000::2/64' )
        # Dual Stack Host
        host3=self.addHost( 'h3', ip='10.1.0.3/24', cls=dualStackHost, v6Addr='2000::2/64' )
        # VLAN hosts
        host4=self.addHost( 'h4', ip='100.1.0.2/24', cls=VLANHost, vlan=100, v6Addr='3000::2/64' )
        host5=self.addHost( 'h5', ip='200.1.0.2/24', cls=VLANHost, vlan=200, v6Addr='4000::2/64' )
        # VPN-1 and VPN-2 Hosts
        host6=self.addHost( 'h6', ip='11.1.0.2/24' )
        host7=self.addHost( 'h7', ip='12.1.0.2/24' )
        # Multicast Sender
        host8=self.addHost( 'h8', ip='10.1.0.4/24' )

        # Switch S6 Hosts
        # IPv4 only Host
        host9=self.addHost( 'h9', ip='10.1.0.5/24' )
        # IPv6 only Host
        host10=self.addHost( 'h10', cls=IPv6Host, v6Addr='1000::3/64' )
        # Dual Stack Host
        host11=self.addHost( 'h11', ip='10.1.0.6/24', cls=dualStackHost, v6Addr='2000::3/64' )
        # VLAN hosts
        host12=self.addHost( 'h12', ip='100.1.0.3/24', cls=VLANHost, vlan=100, v6Addr='3000::3/64' )
        host13=self.addHost( 'h13', ip='200.1.0.3/24', cls=VLANHost, vlan=200, v6Addr='4000::3/64' )
        # VPN-1 and VPN-2 Hosts
        host14=self.addHost( 'h14', ip='11.1.0.3/24' )
        host15=self.addHost( 'h15', ip='12.1.0.3/24' )
        # Multicast Receiver
        host16=self.addHost( 'h16', ip='10.1.0.7/24' )

        # Switch S7 Hosts
        # IPv4 only Host
        host17=self.addHost( 'h17', ip='10.1.0.8/24' )
        # IPv6 only Host
        host18=self.addHost( 'h18', cls=IPv6Host, v6Addr='1000::4/64' )
        # Dual Stack Host
        host19=self.addHost( 'h19', ip='10.1.0.9/24', cls=dualStackHost, v6Addr='2000::4/64' )
        # VLAN hosts
        host20=self.addHost( 'h20', ip='100.1.0.4/24', cls=VLANHost, vlan=100, v6Addr='3000::4/64' )
        host21=self.addHost( 'h21', ip='200.1.0.4/24', cls=VLANHost, vlan=200, v6Addr='4000::4/64' )
        # VPN-1 and VPN-2 Hosts
        host22=self.addHost( 'h22', ip='11.1.0.4/24' )
        host23=self.addHost( 'h23', ip='12.1.0.4/24' )
        # Multicast Receiver
        host24=self.addHost( 'h24', ip='10.1.0.10/24' )

        s1 = self.addSwitch( 's1' )
        s2 = self.addSwitch( 's2' )
        s3 = self.addSwitch( 's3' )
        s4 = self.addSwitch( 's4' )
        s5 = self.addSwitch( 's5' )
        s6 = self.addSwitch( 's6' )
        s7 = self.addSwitch( 's7' )

        self.addLink(s5,host1)
        self.addLink(s5,host2)
        self.addLink(s5,host3)
        self.addLink(s5,host4)
        self.addLink(s5,host5)
        self.addLink(s5,host6)
        self.addLink(s5,host7)
        self.addLink(s5,host8)

        self.addLink(s6,host9)
        self.addLink(s6,host10)
        self.addLink(s6,host11)
        self.addLink(s6,host12)
        self.addLink(s6,host13)
        self.addLink(s6,host14)
        self.addLink(s6,host15)
        self.addLink(s6,host16)

        self.addLink(s7,host17)
        self.addLink(s7,host18)
        self.addLink(s7,host19)
        self.addLink(s7,host20)
        self.addLink(s7,host21)
        self.addLink(s7,host22)
        self.addLink(s7,host23)
        self.addLink(s7,host24)

        self.addLink(s1,s2)
        self.addLink(s1,s3)
        self.addLink(s1,s4)
        self.addLink(s1,s5)
        self.addLink(s2,s3)
        self.addLink(s2,s5)
        self.addLink(s2,s6)
        self.addLink(s3,s4)
        self.addLink(s3,s6)
        self.addLink(s4,s7)
        topos = { 'mytopo': ( lambda: MyTopo() ) }

# HERE THE CODE DEFINITION OF THE TOPOLOGY ENDS

def setupNetwork():
    "Create network"
    topo = MyTopo()
    network = Mininet(topo=topo, autoSetMacs=True, controller=None)
    network.start()
    CLI( network )
    network.stop()

if __name__ == '__main__':
    setLogLevel('info')
    #setLogLevel('debug')
    setupNetwork()