tom | bd8e9c8 | 2014-10-07 11:46:15 -0700 | [diff] [blame] | 1 | #!/usr/bin/env python |
Brian O'Connor | 580163d | 2014-10-30 21:03:43 -0700 | [diff] [blame] | 2 | |
Thomas Vachuska | 5767d59 | 2018-02-05 17:18:06 -0800 | [diff] [blame] | 3 | """ |
| 4 | """ |
Brian O'Connor | 580163d | 2014-10-30 21:03:43 -0700 | [diff] [blame] | 5 | from mininet.topo import Topo |
tom | bd8e9c8 | 2014-10-07 11:46:15 -0700 | [diff] [blame] | 6 | |
Thomas Vachuska | 5767d59 | 2018-02-05 17:18:06 -0800 | [diff] [blame] | 7 | class Tower( Topo ): |
| 8 | "Internet Topology Zoo Specimen." |
tom | bd8e9c8 | 2014-10-07 11:46:15 -0700 | [diff] [blame] | 9 | |
Thomas Vachuska | 5767d59 | 2018-02-05 17:18:06 -0800 | [diff] [blame] | 10 | def addSwitch( self, name, **opts ): |
| 11 | kwargs = { 'protocols' : 'OpenFlow13' } |
| 12 | kwargs.update( opts ) |
| 13 | return super(Tower, self).addSwitch( name, **kwargs ) |
tom | bd8e9c8 | 2014-10-07 11:46:15 -0700 | [diff] [blame] | 14 | |
Thomas Vachuska | 5767d59 | 2018-02-05 17:18:06 -0800 | [diff] [blame] | 15 | def __init__( self ): |
| 16 | "Create a topology." |
| 17 | |
| 18 | # Initialize Topology |
| 19 | Topo.__init__( self ) |
| 20 | |
Brian O'Connor | 580163d | 2014-10-30 21:03:43 -0700 | [diff] [blame] | 21 | spines = [] |
tom | bd8e9c8 | 2014-10-07 11:46:15 -0700 | [diff] [blame] | 22 | |
| 23 | # Create the two spine switches |
Thomas Vachuska | 5767d59 | 2018-02-05 17:18:06 -0800 | [diff] [blame] | 24 | spines.append(self.addSwitch( 's1' )) |
| 25 | spines.append(self.addSwitch( 's2' )) |
tom | bd8e9c8 | 2014-10-07 11:46:15 -0700 | [diff] [blame] | 26 | |
tom | bd8e9c8 | 2014-10-07 11:46:15 -0700 | [diff] [blame] | 27 | # Now create the leaf switches, their hosts and connect them together |
Thomas Vachuska | 5767d59 | 2018-02-05 17:18:06 -0800 | [diff] [blame] | 28 | for i in range(4): |
| 29 | sn = i + 1 |
| 30 | leaf = self.addSwitch( 's1%d' % sn ) |
Brian O'Connor | 580163d | 2014-10-30 21:03:43 -0700 | [diff] [blame] | 31 | for spine in spines: |
Thomas Vachuska | 5767d59 | 2018-02-05 17:18:06 -0800 | [diff] [blame] | 32 | self.addLink(leaf, spine) |
tom | bd8e9c8 | 2014-10-07 11:46:15 -0700 | [diff] [blame] | 33 | |
Thomas Vachuska | 5767d59 | 2018-02-05 17:18:06 -0800 | [diff] [blame] | 34 | for j in range(5): |
| 35 | host = self.addHost( 'h%d%d' % (sn, j + 1) ) |
| 36 | self.addLink( host, leaf ) |
tom | bd8e9c8 | 2014-10-07 11:46:15 -0700 | [diff] [blame] | 37 | |
Thomas Vachuska | 5767d59 | 2018-02-05 17:18:06 -0800 | [diff] [blame] | 38 | topos = { 'tower': ( lambda: Tower() ) } |
tom | bd8e9c8 | 2014-10-07 11:46:15 -0700 | [diff] [blame] | 39 | |
Brian O'Connor | 580163d | 2014-10-30 21:03:43 -0700 | [diff] [blame] | 40 | if __name__ == '__main__': |
Thomas Vachuska | 5767d59 | 2018-02-05 17:18:06 -0800 | [diff] [blame] | 41 | from onosnet import run |
| 42 | run( Tower() ) |