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https://github.com/edoardoColi/Communication_Sandbox.git
synced 2026-10-09 07:34:49 +00:00
Mininet Updates
This commit is contained in:
edoardocoli
+63
-86
@@ -6,7 +6,6 @@ from mininet.node import Node
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from mininet.cli import CLI
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from mininet.link import TCLink
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from mininet.log import setLogLevel
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from copy import copy #TODO verify/temporaneo
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class MyRouter (Node):
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def config(self, **params):
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@@ -18,110 +17,88 @@ class MyRouter (Node):
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def build_topology(config_file):
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topo = Topo()
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elementsH = {} # Dictionary to store nodes
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elementsR = {} # Dictionary to store nodes
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elementsS = {} # Dictionary to store nodes
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elements = {} # Dictionary to store nodes
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h1 = topo.addHost('h1', ip='161.46.247.131/26', defaultRoute='via 161.46.247.129')
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h2 = topo.addHost('h2', ip='161.46.247.196/27', defaultRoute='via 161.46.247.195')
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# elements['Internet'] = topo.addNode('Internet', cls=MyRouter, ip='0.0.0.0/0')
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with open(config_file, 'r') as file:
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for line in file:
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line = line.strip()
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if line.startswith('#'): #Skip comment
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continue
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parts = line.split(" ") #Parse the topology file using spaces
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if parts[0] == 'host': #Parse hosts
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host_name = parts[1]
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host_ip = parts[2]
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host_nexthop = 'via ' + parts[3]
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elements[host_name] = topo.addHost(host_name, ip=host_ip, defaultRoute=host_nexthop)
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r1 = topo.addNode('r1', cls=MyRouter, ip='161.46.247.129/26')
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elif parts[0] == 'router': #Parse routers
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router_name = parts[1]
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router_ip = parts[2]
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elements[router_name] = topo.addNode(router_name, cls=MyRouter, ip=router_ip)
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topo.addLink(h1, r1, intfName2='R23', params2={'ip' : '161.46.247.129/26'})
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topo.addLink(h2, r1, intfName2='R22', params2={'ip' : '161.46.247.195/27'})
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# with open(config_file, 'r') as file:
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# for line in file:
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# line = line.strip()
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# if line.startswith('#'): #Skip comment
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# continue
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elif parts[0] == 'switch': #Parse switches
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switch_name = parts[1]
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elements[switch_name] = topo.addSwitch(switch_name)
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# parts = line.split(" ") #Parse the topology file using spaces
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# if parts[0] == 'host': #Parse hosts
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# host_name = parts[1]
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# host_ip = parts[2]
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# host_nexthop = 'via ' + parts[3]
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# host = topo.addHost(host_name, ip=host_ip, defaultRoute=host_nexthop)
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# host_c = copy(host)
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# elementsH[host_name] = (host_c)
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elif parts[0] == 'linkRR': #Parse links routers to routers
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router1 = parts[1]
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router1_intfName = parts[2]
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router1_intfIP = parts[3]
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router2 = parts[4]
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router2_intfName = parts[5]
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router2_intfIP = parts[6]
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topo.addLink(elements.get(router1), elements.get(router2), intfName1=router1_intfName, intfName2=router2_intfName, params1={'ip' : router1_intfIP}, params2={'ip' : router2_intfIP})
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# elif parts[0] == 'router': #Parse routers
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# router_name = parts[1]
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# router_ip = parts[2]
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# router = topo.addNode(router_name, cls=MyRouter, ip=router_ip)
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# router_c = copy(router)
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# elementsR[router_name] = (router_c)
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elif parts[0] == 'linkRH': #Parse links routers to hosts
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host = parts[1]
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host_intfName = parts[2]
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router = parts[3]
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router_intfName = parts[4]
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router_intfIP = parts[5]
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topo.addLink(elements.get(host), elements.get(router), intfName1=host_intfName, intfName2=router_intfName, params2={'ip' : router_intfIP})
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# elif parts[0] == 'switch': #Parse switches
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# switch_name = parts[1]
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# switch = topo.addSwitch(switch_name)
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# switch_c = copy(switch)
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# elementsS[switch_name] = (switch_c)
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elif parts[0] == 'linkRS': #Parse links routers to switches
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node1 = parts[1]
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node2 = parts[2]
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# topo.addLink(node1, node2)
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# elif parts[0] == 'linkSH': #Parse links switches to hosts
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# node1 = parts[1]
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# node2 = parts[2]
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# # topo.addLink(node1, node2)
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elif parts[0] == 'linkSS': #Parse links switches to switches
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node1 = parts[1]
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node2 = parts[2]
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# topo.addLink(node1, node2)
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# elif parts[0] == 'linkSS': #Parse links switches to switches
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# node1 = parts[1]
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# node2 = parts[2]
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# # topo.addLink(node1, node2)
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# elif parts[0] == 'linkHR': #Parse links hosts to routers
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# node1 = parts[1]
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# node2 = parts[2]
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# intf_name2 = parts[3]
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# n2_ip = parts[4]
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# topo.addLink(elementsH.get(node1), elementsR.get(node2), intfName2=intf_name2, params2={'ip' : n2_ip})
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# elif parts[0] == 'linkRR': #Parse links routers to routers
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# node1 = parts[1]
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# node2 = parts[2]
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# intf_name1 = parts[3]
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# intf_name2 = parts[4]
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# ip1 = parts[5]
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# ip2 = parts[6]
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# # topo.addLink(node1, node2, intfName1=intf_name1, intfName2=intf_name2, params1={'ip' : ip1}, params2={'ip' : ip2})
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# # elif parts[0] == 'route': #Parse routing tables
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# # name = parts[1]
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# # for node in topo.nodes():
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# # if node == name:
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# # (node).cmd('ip route add 0.0.0.0/0 via 10.0.0.1 dev r1-eth2')
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# # break
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elif parts[0] == 'linkSH': #Parse links switches to hosts
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node1 = parts[1]
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node2 = parts[2]
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# topo.addLink(node1, node2)
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return topo
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def run_topology(config_file):
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setLogLevel('info') #Different logging levels are 'info' 'warning' 'error' 'debug'
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setLogLevel('info') #Different logging levels are 'info' 'warning' 'error' 'debug'
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topo = build_topology(config_file)
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net = Mininet(topo=topo, link=TCLink)
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net.start() #Starting the network
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# net.addLink(h1, r1, intfName2='R23', params2={'ip' : '161.46.247.129/26'})
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# net.addLink(h2, r1, intfName2='R22', params2={'ip' : '161.46.247.195/27'})
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# with open(config_file, 'r') as file: #Search in the configuration file for routing table
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# for line in file:
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# line = line.strip()
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# if line.startswith('#'): #Skip comment
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# continue
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# parts = line.split(" ")
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# if parts[0] == 'route': #Parse routing tables
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# name = parts[1]
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# pck_src = parts[2]
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# pck_nexthop = parts[3]
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# interf = parts[4]
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# cmd = 'ip route add ' + pck_src + ' via ' + pck_nexthop + ' dev ' + interf
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# (net.getNodeByName(name)).cmd(cmd)
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net.start() #Starting the network
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with open(config_file, 'r') as file: #Search in the configuration file for routing table
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for line in file:
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line = line.strip()
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if line.startswith('#'): #Skip comment
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continue
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parts = line.split(" ")
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if parts[0] == 'route': #Parse routing tables
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name = parts[1]
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pck_src = parts[2]
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pck_nexthop = parts[3]
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interf = parts[4]
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cmd = 'ip route add ' + pck_src + ' via ' + pck_nexthop + ' dev ' + interf
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(net.getNodeByName(name)).cmd(cmd)
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if net.pingAll():
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print(Fore.RED + "Network has issues" + Style.RESET_ALL)
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else:
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print(Fore.GREEN + "Network working properly" + Style.RESET_ALL)
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CLI(net)
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net.stop() #Stopping the network
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net.stop() #Stopping the network
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if __name__ == '__main__':
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run_topology('MininetTopo.conf')
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@@ -0,0 +1,53 @@
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import configparser
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from colorama import Fore, Style
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from mininet.net import Mininet
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from mininet.topo import Topo
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from mininet.node import Node
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from mininet.cli import CLI
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from mininet.link import TCLink
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from mininet.log import setLogLevel
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class MyRouter (Node):
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def config(self, **params):
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super(MyRouter, self).config(**params)
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self.cmd('sysctl net.ipv4.ip_forward=1') #Enable forwarding on the router
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def terminate(self):
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self.cmd('sysctl net.ipv4.ip_forward=0') #Disable forwarding on the router
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super(MyRouter, self).terminate
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def build_topology(config_file):
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topo = Topo()
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elements = {} # Dictionary to store nodes
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h4 = topo.addHost('H4', ip='161.46.247.131/26', defaultRoute='via 161.46.247.129')
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h3 = topo.addHost('H3', ip='161.46.247.196/27', defaultRoute='via 161.46.247.195')
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r1 = topo.addNode('R1', cls=MyRouter, ip='161.46.247.254/30')
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r2 = topo.addNode('R2', cls=MyRouter, ip='161.46.247.253/30')
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# Ordine importante
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topo.addLink(r2, r1, intfName2='R13', intfName1='R21', params2={'ip' : '161.46.247.254/30'}, params1={'ip' : '161.46.247.253/30'})
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topo.addLink(r2, h3, intfName2='H31', intfName1='R22', params1={'ip' : '161.46.247.195/27'})
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topo.addLink(r2, h4, intfName2='H41', intfName1='R23', params1={'ip' : '161.46.247.129/26'})
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return topo
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def run_topology(config_file):
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setLogLevel('info') #Different logging levels are 'info' 'warning' 'error' 'debug'
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topo = build_topology(config_file)
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net = Mininet(topo=topo, link=TCLink)
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net.start() #Starting the network
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(net.getNodeByName('R1')).cmd('ip route add 161.46.247.192/27 via 161.46.247.254 dev R13')
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(net.getNodeByName('R1')).cmd('ip route add 161.46.247.128/26 via 161.46.247.254 dev R13')
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if net.pingAll():
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print(Fore.RED + "Network has issues" + Style.RESET_ALL)
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else:
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print(Fore.GREEN + "Network working properly" + Style.RESET_ALL)
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CLI(net)
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net.stop() #Stopping the network
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if __name__ == '__main__':
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run_topology('MininetTopo.conf')
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+42
-35
@@ -1,48 +1,55 @@
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######## Set hosts ########
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## host name ip defRoute ##
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###########################
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host h1 161.46.247.131/26 161.46.247.129
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host h2 161.46.247.196/27 161.46.247.195
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# L'ordine deve rimanee questo
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#### Set routers ###
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## router name ip ##
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####################
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router r1 161.46.247.129/26
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#router r2 10.2.0.1/24
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############# Set hosts #############
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## host name intfIP/mask defRoute ###
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#####################################
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host H4 161.46.247.131/26 161.46.247.129
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host H3 161.46.247.196/27 161.46.247.195
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######## Set routers ########
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## router name intfIP/mask ##
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#############################
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router R1 161.46.247.254/30
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router R2 161.46.247.253/30
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## Set switches ##
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## switch name ##
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## switch name ##
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##################
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# switch s1
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# switch s2
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####### Set links #######
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################################################ Set links ################################################
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## linkRR router1, router1_intfName, router1_intfIP/mask, router2, router2_intfName, router2_intfIP/mask ##
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###########################################################################################################
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linkRR R1 R13 161.46.247.254/30 R2 R21 161.46.247.253/30
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######################## Set links and router interfaces #####################
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## linkRH host, host_intfName, router, router_intfName, router_intfIP/mask ###
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##############################################################################
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linkRH H3 H31 R2 R22 161.46.247.195/27
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linkRH H4 H41 R2 R23 161.46.247.129/26
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##################### Set links and router interfaces #####################
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## linkRS ##
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#####################################################
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# linkRS
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# linkRS
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###### Set links ######
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## linkSS switch1, switch2 ##
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######################
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# linkSS s2 s1
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###### Set links ######
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## linkSH switch, host ##
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#########################
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##########
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# linkSH s1 h1
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# linkSH s1 h2
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# linkSH s2 h3
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# linkSH s2 h4
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######### Set links #########
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## linkSS switch1, switch2 ##
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#############################
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# linkSS s2 s1
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##################### Set links #####################
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## linkHR host, router, router_intfName, router_ip ##
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#####################################################
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linkHR h1 r1 R23 161.46.247.129/26
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linkHR h2 r1 R22 161.46.247.195/27
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######################### Set links #########################
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## linkRR router1, router2, intfName1, intfName2, ip1, ip2 ##
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#############################################################
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# linkRR r1 r2 r1-eth2 r2-eth2 10.0.0.0/31 10.0.0.1/31
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############# route table #############
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## route name source destRoute interf ##
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########################################
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# route r1 0.0.0.0/0 10.0.0.1 r1-eth2
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# route r2 0.0.0.0/0 10.0.0.0 r2-eth2
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################## route table ################
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## route name final_destIP/mask nextHop intf ###
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################################################
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route R1 161.46.247.192/27 161.46.247.254 R13
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route R1 161.46.247.128/26 161.46.247.254 R13
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