1 files changed, 108 insertions, 0 deletions
diff --git a/ms_topo_4s.py b/ms_topo_4s.py
new file mode 100644
index 0000000..f8c4637
--- /dev/null
+++ b/ms_topo_4s.py
@@ -0,0 +1,108 @@
+#!/usr/bin/python
+from mininet.term import makeTerm
+from mininet.net import Mininet
+from mininet.node import Controller, RemoteController, OVSController
+from mininet.node import CPULimitedHost, Host, Node
+from mininet.node import OVSKernelSwitch, UserSwitch
+from mininet.node import IVSSwitch
+from mininet.cli import CLI
+from mininet.log import setLogLevel, info
+from mininet.link import TCLink, Intf
+from subprocess import call
+import os
+
+def myNetwork():
+
+    net = Mininet( topo=None,
+                   build=False,
+                   ipBase='10.0.0.0/8'
+		   )
+
+    info( '*** Adding controller\n' )
+    c0=net.addController(name='c0',
+                      controller=RemoteController,
+                      ip='127.0.0.1',
+                      protocol='tcp',
+                      port=6633)
+
+    info( '*** Add switches\n')
+    '''
+    s1 = net.addSwitch('s1', cls=OVSKernelSwitch, dpid='0000000000000001')
+    s2 = net.addSwitch('s2', cls=OVSKernelSwitch, dpid='0000000000000002')
+    s3 = net.addSwitch('s3', cls=OVSKernelSwitch, dpid='0000000000000003')
+    s4 = net.addSwitch('s4', cls=OVSKernelSwitch, dpid='0000000000000004')
+    '''
+    s1 = net.addSwitch('s1', dpid='0000000000000001')
+    s2 = net.addSwitch('s2', dpid='0000000000000002')
+    s3 = net.addSwitch('s3', dpid='0000000000000003')
+    s4 = net.addSwitch('s4', dpid='0000000000000004')
+   
+
+    info( '*** Add hosts\n')
+    h1 = net.addHost('h1', mac='00:00:00:00:00:01', cls=Host, ip='10.0.0.1', defaultRoute=None)
+    h2 = net.addHost('h2', mac='00:00:00:00:00:02', cls=Host, ip='10.0.0.2', defaultRoute=None)
+    h3 = net.addHost('h3', mac='00:00:00:00:00:03', cls=Host, ip='10.0.0.3', defaultRoute=None)
+    h4 = net.addHost('h4', mac='00:00:00:00:00:04', cls=Host, ip='10.0.0.4', defaultRoute=None)
+
+    info( '*** Add links\n')
+    net.addLink(s1, h1)
+    net.addLink(s1, h2)
+    net.addLink(s1, s3)
+    net.addLink(s1, s4)
+
+    net.addLink(s2, h3)
+    net.addLink(s2, h4)
+    net.addLink(s2, s3)
+    net.addLink(s2, s4)
+
+    info( '*** Starting network\n')
+    net.build()
+    info( '*** Starting controllers\n')
+    for controller in net.controllers:
+        controller.start()
+
+    info( '*** Starting switches\n')
+    net.get('s1').start([c0])
+    net.get('s2').start([c0])
+    net.get('s3').start([c0])
+    net.get('s4').start([c0])
+
+    info( '*** Post configure switches and hosts\n')
+
+    os.system('ovs-vsctl set bridge s1 datapath_type=netdev')
+    #os.system('ovs-vsctl set bridge s2 datapath_type=netdev')
+    os.system('ovs-vsctl set bridge s1 protocols=OpenFlow13')
+    #os.system('ovs-vsctl set bridge s2 protocols=OpenFlow13')
+    #os.system('ovs-vsctl set bridge s3 protocols=OpenFlow13')
+    #os.system('ovs-vsctl set bridge s4 protocols=OpenFlow13')
+    os.system('ovs-ofctl add-meter s1 meter=1,kbps,band=type=drop,rate=12000 -O OpenFlow13')
+    
+    os.system('ovs-ofctl add-flow s1 in_port=1,dl_src=00:00:00:00:00:01,action=meter:1,output:3 -O OpenFlow13')
+    os.system('ovs-ofctl add-flow s1 in_port=2,dl_src=00:00:00:00:00:02,action=meter:1,output:3 -O OpenFlow13')
+    os.system('ovs-ofctl add-flow s1 in_port=3,dl_src=00:00:00:00:00:03,action=output:1 -O OpenFlow13')
+    os.system('ovs-ofctl add-flow s1 in_port=3,dl_src=00:00:00:00:00:04,action=output:2 -O OpenFlow13')
+
+    os.system('ovs-ofctl add-flow s2 in_port=1,dl_src=00:00:00:00:00:03,action=output:3')
+    os.system('ovs-ofctl add-flow s2 in_port=2,dl_src=00:00:00:00:00:04,action=output:3')
+    os.system('ovs-ofctl add-flow s2 in_port=3,dl_src=00:00:00:00:00:01,action=output:1')
+    os.system('ovs-ofctl add-flow s2 in_port=3,dl_src=00:00:00:00:00:02,action=output:2')
+
+    os.system('ovs-ofctl add-flow s3 in_port=1,action=output:2')
+    os.system('ovs-ofctl add-flow s3 in_port=2,action=output:1')
+    os.system('ovs-ofctl add-flow s4 in_port=1,action=output:2')
+    os.system('ovs-ofctl add-flow s4 in_port=2,action=output:1')
+    
+
+
+
+    #CLI(net)
+    makeTerm(h1)
+    makeTerm(h1)
+    makeTerm(h3)
+    CLI(net)
+    net.stop()
+
+if __name__ == '__main__':
+    setLogLevel( 'info' )
+    myNetwork()
+