Added a new topology and a tool to set controllers on all OVS bridges remotely.

Change-Id: I875fbc8bec844ac30d1d8bccff0db45ad7c4ac71

+#!/bin/bash
+# -----------------------------------------------------------------------------
+# Sets controllers on all OVS bridges on the mininet machine.
+# -----------------------------------------------------------------------------
+
+controllers=""
+
+for node in $ONOS_INSTANCES; do
+    controllers="$controllers tcp:$node:${OF_PORT:-6633}"
+done
+
+ssh ${ONOS_USER:-sdn}@$OCN "
+    sudo ovs-vsctl list-br | while read br; do
+        echo \$br: $controllers
+        sudo ovs-vsctl set-controller \$br $controllers
+    done
+"

+#!/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, **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'] ) )
+        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
+        host1=self.addHost( 'h1', ip='10.1.0.2/24' )
+        host2=self.addHost( 'h2', cls=IPv6Host, v6Addr='1000::2/64' )
+        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 )
+        host5=self.addHost( 'h5', ip='200.1.0.2/24', cls=VLANHost, vlan=200 )
+        #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
+        host9=self.addHost( 'h9', ip='10.1.0.5/24' )
+        host10=self.addHost( 'h10', cls=IPv6Host, v6Addr='1000::3/64' )
+        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 )
+        host13=self.addHost( 'h13', ip='200.1.0.3/24', cls=VLANHost, vlan=200 )
+        #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
+        host17=self.addHost( 'h17', ip='10.1.0.8/24' )
+        host18=self.addHost( 'h18', cls=IPv6Host, v6Addr='1000::4/64' )
+        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 )
+        host21=self.addHost( 'h21', ip='200.1.0.4/24', cls=VLANHost, vlan=200 )
+        #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()