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, topo_builder, parameterFile):
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super(TwoInterfaceCongestionTopo, self).__init__(topo_builder, 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.add_host(Topo.CLIENT_NAME)
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self.clientCong = self.add_host(Topo.CLIENT_NAME + "Cong")
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self.server = self.add_host(Topo.SERVER_NAME)
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self.serverCong = self.add_host(Topo.SERVER_NAME + "Cong")
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self.router = self.add_host(Topo.ROUTER_NAME)
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self.routerCong = self.add_host(Topo.ROUTER_NAME + "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.topo_parameter.link_characteristics[0]))
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self.add_link(self.client, self.switch[-1])
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self.add_link(self.switch[-1], self.router, **self.topo_parameter.link_characteristics[0].as_dict())
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# Link between c1 and r1
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self.add_link(self.client, self.routerCong)
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# Link between c2 and r1
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self.switch.append(self.addOneSwitchPerLink(self.topo_parameter.link_characteristics[2]))
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self.add_link(self.clientCong, self.switch[-1])
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self.add_link(self.switch[-1], self.routerCong, **self.topo_parameter.link_characteristics[2].as_dict())
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# Link between r1 and r2
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self.switch.append(self.addOneSwitchPerLink(self.topo_parameter.link_characteristics[1]))
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self.add_link(self.routerCong, self.switch[-1])
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self.add_link(self.switch[-1], self.router, **self.topo_parameter.link_characteristics[1].as_dict())
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# Link between r2 and s1
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self.add_link(self.router, self.server)
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# Link between r2 and s2
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self.add_link(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.add_switch(Topo.SWITCH_NAME_PREFIX + 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 configure_routing(self):
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# Client - Router
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cmd = self.add_table_route_command("10.0.0.1", 0)
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self.topo.command_to(self.client, cmd)
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cmd = self.add_link_scope_route_command("10.0.0.0/24", Topo.CLIENT_NAME + "-eth0", 0)
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self.topo.command_to(self.client, cmd)
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cmd = self.add_table_default_route_command("10.0.0.2", 0)
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self.topo.command_to(self.client, cmd)
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# Client -> Router cong
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cmd = self.add_table_route_command("10.0.1.1", 1)
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self.topo.command_to(self.client, cmd)
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cmd = self.add_link_scope_route_command("10.0.1.0/24", Topo.CLIENT_NAME + "-eth1", 1)
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self.topo.command_to(self.client, cmd)
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cmd = self.add_table_default_route_command("10.0.1.2", 1)
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self.topo.command_to(self.client, cmd)
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# Client cong -> Router cong
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cmd = self.add_table_route_command("10.0.2.1", 0)
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self.topo.command_to(self.clientCong, cmd)
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cmd = self.add_link_scope_route_command("10.0.2.0/24", Topo.CLIENT_NAME + "Cong-eth0", 0)
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self.topo.command_to(self.clientCong, cmd)
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cmd = self.add_table_default_route_command("10.0.2.2", 0)
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self.topo.command_to(self.clientCong, cmd)
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# Router cong -> Router
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cmd = self.add_table_route_command("10.0.3.1", 0)
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self.topo.command_to(self.routerCong, cmd)
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cmd = self.add_link_scope_route_command("10.1.0.0/16", Topo.ROUTER_NAME + "Cong-eth2", 0)
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self.topo.command_to(self.routerCong, cmd)
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cmd = self.add_table_default_route_command("10.0.3.2", 0)
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self.topo.command_to(self.routerCong, cmd)
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# Router -> Router cong
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cmd = self.add_table_route_command("10.0.3.2", 0)
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self.topo.command_to(self.router, cmd)
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cmd = self.add_link_scope_route_command("10.0.0.0/16", Topo.ROUTER_NAME + "-eth1", 0)
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self.topo.command_to(self.router, cmd)
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cmd = self.add_table_default_route_command("10.0.3.1", 0)
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self.topo.command_to(self.router, cmd)
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# Default route Client
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cmd = self.add_global_default_route_command("10.0.0.2", Topo.CLIENT_NAME + "-eth0")
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self.topo.command_to(self.client, cmd)
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# Default route Client cong
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cmd = self.add_global_default_route_command("10.0.2.2", Topo.CLIENT_NAME + "Cong-eth0")
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self.topo.command_to(self.clientCong, cmd)
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# Default route Router cong
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cmd = self.add_global_default_route_command("10.0.3.2", Topo.ROUTER_NAME + "Cong-eth2")
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self.topo.command_to(self.routerCong, cmd)
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# Default route Router
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cmd = self.add_global_default_route_command("10.0.3.1", Topo.ROUTER_NAME + "-eth1")
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self.topo.command_to(self.router, cmd)
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# Default route Server
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cmd = self.add_global_default_route_command("10.1.0.2", Topo.SERVER_NAME + "-eth0")
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self.topo.command_to(self.server, cmd)
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# Default route Server cong
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cmd = self.add_global_default_route_command("10.1.1.2", Topo.SERVER_NAME + "Cong-eth0")
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self.topo.command_to(self.serverCong, cmd)
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def configureInterface(self, srcHost, dstHost, srcInterfaceName, srcIP, netmask):
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cmd = self.interface_up_command(srcInterfaceName, srcIP, netmask)
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self.topo.command_to(srcHost, cmd)
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mac = srcHost.intf(srcInterfaceName).MAC()
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cmd = self.arp_command(srcIP, mac)
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self.topo.command_to(dstHost, cmd)
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def configure_interfaces(self):
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print("Configure interfaces for two inf cong")
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self.client = self.topo.get_host(Topo.CLIENT_NAME)
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self.clientCong = self.topo.get_host(Topo.CLIENT_NAME + "Cong")
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self.server = self.topo.get_host(Topo.SERVER_NAME)
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self.serverCong = self.topo.get_host(Topo.SERVER_NAME + "Cong")
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self.router = self.topo.get_host(Topo.ROUTER_NAME)
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self.routerCong = self.topo.get_host(Topo.ROUTER_NAME + "Cong")
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netmask = "255.255.255.0"
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links = self.topo.get_link_characteristics()
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# Link 0: Client - Router
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self.configureInterface(self.client, self.router, Topo.CLIENT_NAME + "-eth0", "10.0.0.1", netmask)
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if(links[0].backup):
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cmd = self.interface_backup_command(Topo.CLIENT_NAME + "-eth0")
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self.topo.command_to(self.client, cmd)
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self.configureInterface(self.router, self.client, Topo.ROUTER_NAME + "-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.CLIENT_NAME + "-eth1", "10.0.1.1", netmask)
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if(links[1].backup):
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cmd = self.interface_backup_command(Topo.CLIENT_NAME + "-eth1")
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self.topo.command_to(self.client, cmd)
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self.configureInterface(self.routerCong, self.client, Topo.ROUTER_NAME + "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.ROUTER_NAME + "Cong-eth2", "10.0.3.1", netmask)
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self.configureInterface(self.router, self.routerCong, Topo.ROUTER_NAME + "-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.CLIENT_NAME + "Cong-eth0", "10.0.2.1", netmask)
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self.configureInterface(self.routerCong, self.clientCong, Topo.ROUTER_NAME + "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.SERVER_NAME + "-eth0", "10.1.0.1", netmask)
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self.configureInterface(self.router, self.server, Topo.ROUTER_NAME + "-eth2", "10.1.0.2", netmask)
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# Router - Server cong
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self.configureInterface(self.serverCong, self.router, Topo.SERVER_NAME + "Cong-eth0", "10.1.1.1", netmask)
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self.configureInterface(self.router, self.serverCong, Topo.ROUTER_NAME + "-eth3", "10.1.1.2", netmask)
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def getClientIP(self, interfaceID):
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lSubnet = self.param.get(TopoParameter.LEFT_SUBNET)
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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.get(TopoParameter.LEFT_SUBNET)
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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.get(TopoParameter.LEFT_SUBNET)
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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.get(TopoParameter.LEFT_SUBNET)
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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.get(TopoParameter.LEFT_SUBNET)
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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.get(TopoParameter.RIGHT_SUBNET)
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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.get(TopoParameter.RIGHT_SUBNET)
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serverIP = rSubnet + "0.1"
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return serverIP
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def client_interface_count(self):
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return len(self.topo.switch)
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def getRouterInterfaceServer(self):
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return self.get_router_interface_to_switch(len(self.topo.switch))
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def get_client_interface(self, interfaceID):
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return Topo.CLIENT_NAME + "-eth" + str(interfaceID)
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def get_router_interface_to_switch(self, interfaceID):
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return Topo.ROUTER_NAME + "-eth" + str(interfaceID)
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def get_server_interface(self):
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return Topo.SERVER_NAME + "-eth0"
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def getMidLeftName(self, id):
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return Topo.SWITCH_NAME_PREFIX + str(id)
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def getMidRightName(self, id):
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if id == 2:
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return Topo.ROUTER_NAME + "Cong"
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return Topo.ROUTER_NAME
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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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