tests + colori

MininetSDN.py

@@ -1,4 +1,5 @@
 import configparser
+from colorama import Fore, Style
 from mininet.net	import Mininet
 from mininet.topo	import Topo
 from mininet.node	import Node
@@ -97,7 +98,10 @@ def run_topology(config_file):
 				interf = parts[4]
 				cmd = 'ip route add ' + pck_src + ' via ' + pck_nexthop + ' dev ' + interf
 				(net.getNodeByName(name)).cmd(cmd)
-	net.pingAll()
+	if net.pingAll():
+		print(Fore.RED + "Network has issues" + Style.RESET_ALL)
+	else:
+		print(Fore.GREEN + "Network working properly" + Style.RESET_ALL)
 	# CLI(net)
 	net.stop()		#Stopping the network
 

base_test.py

@@ -0,0 +1,78 @@
+import configparser
+from mininet.net	import Mininet
+from mininet.topo	import Topo
+from mininet.node	import Node
+from mininet.cli	import CLI
+from mininet.link	import TCLink
+from mininet.log	import setLogLevel
+
+class MyRouter (Node):
+	def config(self, **params):
+		super(MyRouter, self).config(**params)
+		self.cmd('sysctl net.ipv4.ip_forward=1')		#Enable forwarding on the router
+	def terminate(self):
+		self.cmd('sysctl net.ipv4.ip_forward=0')		#Disable forwarding on the router
+		super(MyRouter, self).terminate
+
+# def build_topology(config_file):
+# 	topo = Topo()
+
+# 	# Create a host with the desired interface and IP
+# 	hh = topo.addHost('h1', ip='161.46.247.196/24', defaultRoute='via 161.45.247.195')
+# 	hh.setDefaultRoute = ''
+# 	topo.addHost('h2', ip='161.46.247.197/24', defaultRoute='via 161.45.247.195')
+
+# 	# Create a router with an interface and default route
+# 	topo.addNode('r1', cls=MyRouter, ip='161.46.247.195/24')
+
+# 	# Add a link between the host and router
+# 	topo.addLink('h1', 'r1')
+# 	topo.addLink('h2', 'r1')
+# 	return topo
+
+class MyTopo (Topo):
+
+	def build( self, *args, **params ):
+		host = self.addHost('h1', ip='161.46.247.196/24')
+		host.setDefaultRoute('via 161.45.247.195')
+		self.addHost('h2')
+		self.addNode('r1', cls=MyRouter)
+
+		self.addLink('h1', 'h2')
+		# self.addLink('h1', 'r1', intfName1='H11', intfName2='R11', params1={'ip' : '161.46.247.131/26'}, params2={'ip' : '161.46.247.129/26'})
+		# self.addLink('h2', 'r1', intfName1='H21', intfName2='R12', params1={'ip' : '161.46.247.196/27'}, params2={'ip' : '161.46.247.195/27'})
+
+
+def run_topology(config_file):
+	setLogLevel('info')		#Different logging levels are 'info' 'warning' 'error' 'debug'
+	net = Mininet(link=TCLink)
+
+	# Create a host with the desired interface and IP
+	host = net.addHost('h1', ip='161.46.247.196/24')
+
+	# Set the default route on the host
+	host.setDefaultRoute('via 161.45.247.195')
+
+	# Create a router with two interfaces and default routes
+	router = net.addHost('router', cls=MyRouter)
+
+	# Add interfaces to the router
+	net.addLink(router, host, intfName1='r33', intfName2='h31', params1={'ip': '161.46.247.195/24'}, params2={'ip': '161.46.247.196/24'})
+	# net.addLink(router, intfName1='r21', params1={'ip': '161.46.247.129/30'})
+
+	# Set the default routes on the router
+	router.cmd('ip route add default via 161.46.247.254 dev r33')
+	router.cmd('ip route add default via 161.46.247.130 dev r21')
+
+
+	net.start()		#Starting the network
+	# (net.getNodeByName('h1')).cmd('ip route add 0.0.0.0/0 via 161.46.247.129')
+	# (net.getNodeByName('h2')).cmd('ip route add 0.0.0.0/0 via 161.46.247.195')
+	# (net.getNodeByName('r1')).cmd('ip route add 0.0.0.0/0 via 161.46.247.254')
+
+	net.pingAll()
+	CLI(net)
+	net.stop()		#Stopping the network
+
+if __name__ == '__main__':
+	run_topology('MininetTopo.conf')

setup.txt

@@ -10,5 +10,7 @@ python3 --version		//This command should display the version of Python 3.x that
 
 sudo apt-get install openvswitch-testcontroller //non serve davvero
 sudo apt-get install python3-pip
-sudo pip3 install configparser
+pip3 install configparser
+pip3 install colorama
+pip3 install ryu
 sudo apt-get install mininet