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64 lines
1.8 KiB
Python
64 lines
1.8 KiB
Python
1 year ago
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from mininet.net import Mininet
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from mininet.node import Controller, OVSSwitch
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from mininet.cli import CLI
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from mininet.log import setLogLevel
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class CustomController( Controller ):
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"Open vSwitch controller"
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def __init__( self, name, **kwargs ):
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kwargs.setdefault( 'command', self.isAvailable() or
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'ovs-controller' )
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Controller.__init__( self, name, **kwargs )
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# class CustomController(Controller):
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# def _handle_ConnectionUp(self, event):
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# # Handle new connection
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# dpid_str = dpid_to_str(event.dpid)
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# log.info("Switch %s connected", dpid_str)
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# self.connection = event.connection
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# event.connection.addListeners(self)
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# def _handle_PacketIn(self, event):
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# # Handle incoming packet
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# packet = event.parsed
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# if packet.type == ethernet.IP_TYPE:
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# ip_packet = packet.payload
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# src_ip = ip_packet.srcip
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# dst_ip = ip_packet.dstip
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# log.info("Source IP: %s, Destination IP: %s", src_ip, dst_ip)
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# # Call the parent handler to continue processing other events
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# super(CustomController, self)._handle_PacketIn(event)
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def create_topology():
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net = Mininet(controller=Controller, switch=OVSSwitch)
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# Create network nodes
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h1 = net.addHost('h1')
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h2 = net.addHost('h2')
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s1 = net.addSwitch('s1', cls=OVSSwitch)
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# Create links
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net.addLink(h1, s1)
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net.addLink(h2, s1)
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# Start the network
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net.start()
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# Create a custom controller instance
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controller = net.addController('c1', controller=CustomController)
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# Connect the switch to the controller
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s1.start([controller])
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# Enter command line mode
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CLI(net)
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# Stop the network
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net.stop()
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if __name__ == '__main__':
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setLogLevel('info')
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create_topology()
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