254 lines
10 KiB
Python
254 lines
10 KiB
Python
from core.topo import Topo, TopoConfig, TopoParameter
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class TwoInterfaceCongestionTopo(Topo):
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NAME = "twoIfCong"
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def __init__(self, topoBuilder, parameterFile):
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super(TwoInterfaceCongestionTopo, self).__init__(topoBuilder, parameterFile)
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print("Hello from topo two ifs cong")
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print("Expected topo:")
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print("c1----link0--------------|")
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print("|-------------r1--link1--r2-----s1")
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print(" | |------s2")
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print("c2----link2----")
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self.client = self.addHost(Topo.clientName)
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self.clientCong = self.addHost(Topo.clientName + "Cong")
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self.server = self.addHost(Topo.serverName)
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self.serverCong = self.addHost(Topo.serverName + "Cong")
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self.router = self.addHost(Topo.routerName)
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self.routerCong = self.addHost(Topo.routerName + "Cong")
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self.switch = []
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# Link between c1 and r2
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self.switch.append(self.addOneSwitchPerLink(self.topoParam.linkCharacteristics[0]))
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self.addLink(self.client, self.switch[-1])
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self.addLink(self.switch[-1], self.router, **self.topoParam.linkCharacteristics[0].asDict())
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# Link between c1 and r1
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self.addLink(self.client, self.routerCong)
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# Link between c2 and r1
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self.switch.append(self.addOneSwitchPerLink(self.topoParam.linkCharacteristics[2]))
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self.addLink(self.clientCong, self.switch[-1])
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self.addLink(self.switch[-1], self.routerCong, **self.topoParam.linkCharacteristics[2].asDict())
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# Link between r1 and r2
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self.switch.append(self.addOneSwitchPerLink(self.topoParam.linkCharacteristics[1]))
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self.addLink(self.routerCong, self.switch[-1])
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self.addLink(self.switch[-1], self.router, **self.topoParam.linkCharacteristics[1].asDict())
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# Link between r2 and s1
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self.addLink(self.router, self.server)
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# Link between r2 and s2
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self.addLink(self.router, self.serverCong)
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def __str__(self):
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s = "Hello from topo two ifs cong \n"
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s = s + "c1----link0--------------| \n"
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s = s + "|-------------r1--link1--r2-----s1 \n"
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s = s + " | |------s2 \n"
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s = s + "c2----link2---- \n"
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return s
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def addOneSwitchPerLink(self, link):
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return self.addSwitch(Topo.switchNamePrefix + str(link.id))
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class TwoInterfaceCongestionConfig(TopoConfig):
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NAME = "twoIfCong"
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def __init__(self, topo, param):
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super(TwoInterfaceCongestionConfig, self).__init__(topo, param)
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def configureRoute(self):
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# Client - Router
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cmd = self.addRouteTableCommand("10.0.0.1", 0)
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self.topo.commandTo(self.client, cmd)
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cmd = self.addRouteScopeLinkCommand("10.0.0.0/24", Topo.clientName + "-eth0", 0)
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self.topo.commandTo(self.client, cmd)
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cmd = self.addRouteDefaultCommand("10.0.0.2", 0)
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self.topo.commandTo(self.client, cmd)
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# Client -> Router cong
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cmd = self.addRouteTableCommand("10.0.1.1", 1)
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self.topo.commandTo(self.client, cmd)
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cmd = self.addRouteScopeLinkCommand("10.0.1.0/24", Topo.clientName + "-eth1", 1)
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self.topo.commandTo(self.client, cmd)
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cmd = self.addRouteDefaultCommand("10.0.1.2", 1)
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self.topo.commandTo(self.client, cmd)
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# Client cong -> Router cong
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cmd = self.addRouteTableCommand("10.0.2.1", 0)
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self.topo.commandTo(self.clientCong, cmd)
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cmd = self.addRouteScopeLinkCommand("10.0.2.0/24", Topo.clientName + "Cong-eth0", 0)
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self.topo.commandTo(self.clientCong, cmd)
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cmd = self.addRouteDefaultCommand("10.0.2.2", 0)
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self.topo.commandTo(self.clientCong, cmd)
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# Router cong -> Router
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cmd = self.addRouteTableCommand("10.0.3.1", 0)
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self.topo.commandTo(self.routerCong, cmd)
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cmd = self.addRouteScopeLinkCommand("10.1.0.0/16", Topo.routerName + "Cong-eth2", 0)
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self.topo.commandTo(self.routerCong, cmd)
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cmd = self.addRouteDefaultCommand("10.0.3.2", 0)
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self.topo.commandTo(self.routerCong, cmd)
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# Router -> Router cong
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cmd = self.addRouteTableCommand("10.0.3.2", 0)
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self.topo.commandTo(self.router, cmd)
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cmd = self.addRouteScopeLinkCommand("10.0.0.0/16", Topo.routerName + "-eth1", 0)
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self.topo.commandTo(self.router, cmd)
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cmd = self.addRouteDefaultCommand("10.0.3.1", 0)
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self.topo.commandTo(self.router, cmd)
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# Default route Client
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cmd = self.addRouteDefaultGlobalCommand("10.0.0.2", Topo.clientName + "-eth0")
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self.topo.commandTo(self.client, cmd)
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# Default route Client cong
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cmd = self.addRouteDefaultGlobalCommand("10.0.2.2", Topo.clientName + "Cong-eth0")
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self.topo.commandTo(self.clientCong, cmd)
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# Default route Router cong
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cmd = self.addRouteDefaultGlobalCommand("10.0.3.2", Topo.routerName + "Cong-eth2")
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self.topo.commandTo(self.routerCong, cmd)
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# Default route Router
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cmd = self.addRouteDefaultGlobalCommand("10.0.3.1", Topo.routerName + "-eth1")
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self.topo.commandTo(self.router, cmd)
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# Default route Server
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cmd = self.addRouteDefaultGlobalCommand("10.1.0.2", Topo.serverName + "-eth0")
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self.topo.commandTo(self.server, cmd)
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# Default route Server cong
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cmd = self.addRouteDefaultGlobalCommand("10.1.1.2", Topo.serverName + "Cong-eth0")
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self.topo.commandTo(self.serverCong, cmd)
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def configureInterface(self, srcHost, dstHost, srcInterfaceName, srcIP, netmask):
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cmd = self.interfaceUpCommand(srcInterfaceName, srcIP, netmask)
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self.topo.commandTo(srcHost, cmd)
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mac = srcHost.intf(srcInterfaceName).MAC()
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cmd = self.arpCommand(srcIP, mac)
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self.topo.commandTo(dstHost, cmd)
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def configureInterfaces(self):
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print("Configure interfaces for two inf cong")
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self.client = self.topo.getHost(Topo.clientName)
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self.clientCong = self.topo.getHost(Topo.clientName + "Cong")
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self.server = self.topo.getHost(Topo.serverName)
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self.serverCong = self.topo.getHost(Topo.serverName + "Cong")
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self.router = self.topo.getHost(Topo.routerName)
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self.routerCong = self.topo.getHost(Topo.routerName + "Cong")
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netmask = "255.255.255.0"
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links = self.topo.getLinkCharacteristics()
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# Link 0: Client - Router
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self.configureInterface(self.client, self.router, Topo.clientName + "-eth0", "10.0.0.1", netmask)
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if(links[0].back_up):
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cmd = self.interfaceBUPCommand(Topo.clientName + "-eth0")
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self.topo.commandTo(self.client, cmd)
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self.configureInterface(self.router, self.client, Topo.routerName + "-eth0", "10.0.0.2", netmask)
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print(str(links[0]))
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# Client - Router cong
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self.configureInterface(self.client, self.routerCong, Topo.clientName + "-eth1", "10.0.1.1", netmask)
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if(links[1].back_up):
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cmd = self.interfaceBUPCommand(Topo.clientName + "-eth1")
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self.topo.commandTo(self.client, cmd)
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self.configureInterface(self.routerCong, self.client, Topo.routerName + "Cong-eth0", "10.0.1.2", netmask)
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# Link 1: Router - Router cong
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self.configureInterface(self.routerCong, self.router, Topo.routerName + "Cong-eth2", "10.0.3.1", netmask)
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self.configureInterface(self.router, self.routerCong, Topo.routerName + "-eth1", "10.0.3.2", netmask)
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print(str(links[1]))
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# Link 2: Client cong - Router cong
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self.configureInterface(self.clientCong, self.routerCong, Topo.clientName + "Cong-eth0", "10.0.2.1", netmask)
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self.configureInterface(self.routerCong, self.clientCong, Topo.routerName + "Cong-eth1", "10.0.2.2", netmask)
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print(str(links[2]))
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# Router - Server
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self.configureInterface(self.server, self.router, Topo.serverName + "-eth0", "10.1.0.1", netmask)
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self.configureInterface(self.router, self.server, Topo.routerName + "-eth2", "10.1.0.2", netmask)
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# Router - Server cong
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self.configureInterface(self.serverCong, self.router, Topo.serverName + "Cong-eth0", "10.1.1.1", netmask)
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self.configureInterface(self.router, self.serverCong, Topo.routerName + "-eth3", "10.1.1.2", netmask)
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def getClientIP(self, interfaceID):
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lSubnet = self.param.getParam(TopoParameter.LSUBNET)
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clientIP = lSubnet + str(interfaceID) + ".1"
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return clientIP
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def getClientSubnet(self, interfaceID):
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lSubnet = self.param.getParam(TopoParameter.LSUBNET)
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clientSubnet = lSubnet + str(interfaceID) + ".0/24"
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return clientSubnet
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def getClientCongIP(self):
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lSubnet = self.param.getParam(TopoParameter.LSUBNET)
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clientIP = lSubnet + str(2) + ".1"
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return clientIP
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def getClientCongSubnet(self, interfaceID):
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lSubnet = self.param.getParam(TopoParameter.LSUBNET)
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clientSubnet = lSubnet + str(128) + ".0/24"
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return clientSubnet
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def getRouterIPSwitch(self, interfaceID):
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lSubnet = self.param.getParam(TopoParameter.LSUBNET)
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routerIP = lSubnet + str(interfaceID) + ".2"
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return routerIP
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def getRouterIPServer(self):
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rSubnet = self.param.getParam(TopoParameter.RSUBNET)
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routerIP = rSubnet + "0.2"
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return routerIP
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def getServerIP(self):
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rSubnet = self.param.getParam(TopoParameter.RSUBNET)
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serverIP = rSubnet + "0.1"
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return serverIP
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def getClientInterfaceCount(self):
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return len(self.topo.switch)
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def getRouterInterfaceServer(self):
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return self.getRouterInterfaceSwitch(len(self.topo.switch))
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def getClientInterface(self, interfaceID):
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return Topo.clientName + "-eth" + str(interfaceID)
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def getRouterInterfaceSwitch(self, interfaceID):
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return Topo.routerName + "-eth" + str(interfaceID)
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def getServerInterface(self):
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return Topo.serverName + "-eth0"
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def getMidLeftName(self, id):
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return Topo.switchNamePrefix + str(id)
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def getMidRightName(self, id):
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if id == 2:
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return Topo.routerName + "Cong"
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return Topo.routerName
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def getMidL2RInterface(self, id):
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return self.getMidLeftName(id) + "-eth2"
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def getMidR2LInterface(self, id):
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if id == 2:
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return self.getMidRightName(id) + "-eth1"
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return self.getMidRightName(id) + "-eth" + str(id)
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