mininet-sample/topos/multi_interface_cong.py
2020-07-13 09:54:40 +02:00

273 lines
11 KiB
Python

from core.topo import TopoConfig, Topo, TopoParameter
class MultiInterfaceCongTopo(Topo):
NAME = "MultiIfCong"
congClientName = "CCli"
congServerName = "CSer"
def __init__(self, topoBuilder, parameterFile):
super(MultiInterfaceCongTopo, self).__init__(topoBuilder, parameterFile)
print("Hello from topo multi if")
self.client = self.addHost(Topo.clientName)
self.server = self.addHost(Topo.serverName)
self.router = self.addHost(Topo.routerName)
self.cong_clients = []
self.cong_servers = []
self.switch = []
for l in self.topoParam.linkCharacteristics:
self.switch.append(self.addOneSwitchPerLink(l))
self.addLink(self.client,self.switch[-1])
self.cong_clients.append(self.addHost(MultiInterfaceCongTopo.congClientName + str(len(self.cong_clients))))
self.addLink(self.cong_clients[-1], self.switch[-1])
self.addLink(self.switch[-1],self.router, **l.asDict())
self.addLink(self.router, self.server)
for i in range(len(self.cong_clients)):
self.cong_servers.append(self.addHost(MultiInterfaceCongTopo.congServerName + str(len(self.cong_servers))))
self.addLink(self.router, self.cong_servers[-1])
def getCongClients(self):
return self.cong_clients
def getCongServers(self):
return self.cong_servers
def addOneSwitchPerLink(self, link):
return self.addSwitch(MultiInterfaceCongTopo.switchNamePrefix +
str(link.id))
def __str__(self):
s = "Simple multiple interface topology with congestion \n"
i = 0
n = len(self.topoParam.linkCharacteristics)
for p in self.topoParam.linkCharacteristics:
if i == n // 2:
if n % 2 == 0:
s = s + "c r-----s\n"
s = s + "|-----sw-----|\n"
else:
s = s + "c-----sw-----r-----s\n"
else:
s = s + "|-----sw-----|\n"
i = i + 1
return s
class MultiInterfaceCongConfig(TopoConfig):
NAME = "MultiIfCong"
def __init__(self, topo, param):
super(MultiInterfaceCongConfig, self).__init__(topo, param)
def configureRoute(self):
i = 0
for l in self.topo.switch:
cmd = self.addRouteTableCommand(self.getClientIP(i), i)
self.topo.commandTo(self.client, cmd)
# Congestion client
cmd = self.addRouteTableCommand(self.getCongClientIP(i), i)
self.topo.commandTo(self.cong_clients[i], cmd)
cmd = self.addRouteScopeLinkCommand(
self.getClientSubnet(i),
self.getClientInterface(i), i)
self.topo.commandTo(self.client, cmd)
# Congestion client
cmd = self.addRouteScopeLinkCommand(
self.getClientSubnet(i),
self.getCongClientInterface(i), i)
self.topo.commandTo(self.cong_clients[i], cmd)
cmd = self.addRouteDefaultCommand(self.getRouterIPSwitch(i),
i)
self.topo.commandTo(self.client, cmd)
# Congestion client
# Keep the same command
self.topo.commandTo(self.cong_clients[i], cmd)
# Congestion client
cmd = self.addRouteDefaultGlobalCommand(self.getRouterIPSwitch(i),
self.getCongClientInterface(i))
i = i + 1
cmd = self.addRouteDefaultGlobalCommand(self.getRouterIPSwitch(0),
self.getClientInterface(0))
self.topo.commandTo(self.client, cmd)
# Congestion Client
i = 0
for c in self.cong_clients:
cmd = self.addRouteDefaultGlobalCommand(self.getRouterIPSwitch(i),
self.getCongClientInterface(i))
self.topo.commandTo(c, cmd)
i = i + 1
cmd = self.addRouteDefaultSimple(self.getRouterIPServer())
self.topo.commandTo(self.server, cmd)
# Congestion servers
i = 0
for s in self.cong_servers:
cmd = self.addRouteDefaultSimple(self.getRouterIPCongServer(i))
self.topo.commandTo(s, cmd)
i += 1
def configureInterfaces(self):
print("Configure interfaces for multi inf")
self.client = self.topo.getHost(Topo.clientName)
self.server = self.topo.getHost(Topo.serverName)
self.router = self.topo.getHost(Topo.routerName)
cong_client_names = self.topo.getCongClients()
self.cong_clients = []
for cn in cong_client_names:
self.cong_clients.append(self.topo.getHost(cn))
cong_server_names = self.topo.getCongServers()
self.cong_servers = []
for sn in cong_server_names:
self.cong_servers.append(self.topo.getHost(sn))
i = 0
netmask = "255.255.255.0"
links = self.topo.getLinkCharacteristics()
for l in self.topo.switch:
cmd = self.interfaceUpCommand(
self.getClientInterface(i),
self.getClientIP(i), netmask)
self.topo.commandTo(self.client, cmd)
clientIntfMac = self.client.intf(self.getClientInterface(i)).MAC()
self.topo.commandTo(self.router, "arp -s " + self.getClientIP(i) + " " + clientIntfMac)
if(links[i].back_up):
cmd = self.interfaceBUPCommand(
self.getClientInterface(i))
self.topo.commandTo(self.client, cmd)
# Congestion client
cmd = self.interfaceUpCommand(
self.getCongClientInterface(i),
self.getCongClientIP(i), netmask)
self.topo.commandTo(self.cong_clients[i], cmd)
congClientIntfMac = self.cong_clients[i].intf(self.getCongClientInterface(i)).MAC()
self.topo.commandTo(self.router, "arp -s " + self.getCongClientIP(i) + " " + congClientIntfMac)
cmd = self.interfaceUpCommand(
self.getRouterInterfaceSwitch(i),
self.getRouterIPSwitch(i), netmask)
self.topo.commandTo(self.router, cmd)
routerIntfMac = self.router.intf(self.getRouterInterfaceSwitch(i)).MAC()
self.topo.commandTo(self.client, "arp -s " + self.getRouterIPSwitch(i) + " " + routerIntfMac)
# Don't forget the congestion client
self.topo.commandTo(self.cong_clients[i], "arp -s " + self.getRouterIPSwitch(i) + " " + routerIntfMac)
print(str(links[i]))
i = i + 1
cmd = self.interfaceUpCommand(self.getRouterInterfaceServer(),
self.getRouterIPServer(), netmask)
self.topo.commandTo(self.router, cmd)
routerIntfMac = self.router.intf(self.getRouterInterfaceServer()).MAC()
self.topo.commandTo(self.server, "arp -s " + self.getRouterIPServer() + " " + routerIntfMac)
cmd = self.interfaceUpCommand(self.getServerInterface(),
self.getServerIP(), netmask)
self.topo.commandTo(self.server, cmd)
serverIntfMac = self.server.intf(self.getServerInterface()).MAC()
self.topo.commandTo(self.router, "arp -s " + self.getServerIP() + " " + serverIntfMac)
# Congestion servers
i = 0
for s in self.cong_servers:
cmd = self.interfaceUpCommand(self.getRouterInterfaceCongServer(i),
self.getRouterIPCongServer(i), netmask)
self.topo.commandTo(self.router, cmd)
routerIntfMac = self.router.intf(self.getRouterInterfaceCongServer(i)).MAC()
self.topo.commandTo(s, "arp -s " + self.getRouterIPCongServer(i) + " " + routerIntfMac)
cmd = self.interfaceUpCommand(self.getCongServerInterface(i),
self.getCongServerIP(i), netmask)
self.topo.commandTo(s, cmd)
congServerIntfMac = s.intf(self.getCongServerInterface(i)).MAC()
self.topo.commandTo(self.router, "arp -s " + self.getCongServerIP(i) + " " + congServerIntfMac)
i = i + 1
def getClientIP(self, interfaceID):
lSubnet = self.param.getParam(TopoParameter.LSUBNET)
clientIP = lSubnet + str(interfaceID) + ".1"
return clientIP
def getCongClientIP(self, interfaceID):
lSubnet = self.param.getParam(TopoParameter.LSUBNET)
congClientIP = lSubnet + str(interfaceID) + ".127"
return congClientIP
def getClientSubnet(self, interfaceID):
lSubnet = self.param.getParam(TopoParameter.LSUBNET)
clientSubnet = lSubnet + str(interfaceID) + ".0/24"
return clientSubnet
def getRouterIPSwitch(self, interfaceID):
lSubnet = self.param.getParam(TopoParameter.LSUBNET)
routerIP = lSubnet + str(interfaceID) + ".2"
return routerIP
def getRouterIPServer(self):
rSubnet = self.param.getParam(TopoParameter.RSUBNET)
routerIP = rSubnet + "0.2"
return routerIP
def getRouterIPCongServer(self, congID):
rSubnet = self.param.getParam(TopoParameter.RSUBNET)
routerIP = rSubnet + str(1 + congID) + ".2"
return routerIP
def getServerIP(self):
rSubnet = self.param.getParam(TopoParameter.RSUBNET)
serverIP = rSubnet + "0.1"
return serverIP
def getCongServerIP(self, congID):
rSubnet = self.param.getParam(TopoParameter.RSUBNET)
serverIP = rSubnet + str(1 + congID) + ".1"
return serverIP
def getClientInterfaceCount(self):
return len(self.topo.switch)
def getRouterInterfaceServer(self):
return self.getRouterInterfaceSwitch(len(self.topo.switch))
def getRouterInterfaceCongServer(self, congID):
return self.getRouterInterfaceSwitch(len(self.topo.switch) + 1 + congID)
def getClientInterface(self, interfaceID):
return Topo.clientName + "-eth" + str(interfaceID)
def getCongClientInterface(self, interfaceID):
return MultiInterfaceCongConfig.congClientName + str(interfaceID) + "-eth0"
def getRouterInterfaceSwitch(self, interfaceID):
return Topo.routerName + "-eth" + str(interfaceID)
def getServerInterface(self):
return Topo.serverName + "-eth0"
def getCongServerInterface(self, interfaceID):
return MultiInterfaceCongConfig.congServerName + str(interfaceID) + "-eth0"
def getMidLeftName(self, id):
return Topo.switchNamePrefix + str(id)
def getMidRightName(self, id):
return Topo.routerName
def getMidL2RInterface(self, id):
return self.getMidLeftName(id) + "-eth2"
def getMidR2LInterface(self, id):
return self.getMidRightName(id) + "-eth" + str(id)