45 lines
1.7 KiB
Python
45 lines
1.7 KiB
Python
from core.topo import Topo
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class MpMultiInterfaceTopo(Topo):
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def __init__(self, topoBuilder, parameterFile):
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super(MpMultiInterfaceTopo, self).__init__(topoBuilder, parameterFile)
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print("Hello from topo multi if")
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self.client = self.addHost(Topo.clientName)
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self.server = self.addHost(Topo.serverName)
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self.router = self.addHost(Topo.routerName)
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self.switchClient = []
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self.switchServer = []
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for l in self.topoParam.linkCharacteristics:
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self.switchClient.append(self.addSwitch1ForLink(l))
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self.addLink(self.client,self.switchClient[-1])
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self.switchServer.append(self.addSwitch2ForLink(l))
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self.addLink(self.switchClient[-1], self.switchServer[-1], **l.asDict())
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self.addLink(self.switchServer[-1],self.router)
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self.addLink(self.router, self.server)
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def addSwitch1ForLink(self, link):
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return self.addSwitch(MpMultiInterfaceTopo.switchNamePrefix +
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str(2 * link.id))
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def addSwitch2ForLink(self, link):
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return self.addSwitch(MpMultiInterfaceTopo.switchNamePrefix +
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str(2 * link.id + 1))
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def __str__(self):
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s = "Simple multiple interface topolgy \n"
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i = 0
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n = len(self.topoParam.linkCharacteristics)
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for p in self.topoParam.linkCharacteristics:
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if i == n // 2:
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if n % 2 == 0:
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s = s + "c r-----s\n"
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s = s + "|--sw----sw--|\n"
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else:
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s = s + "c--sw----sw--r-----s\n"
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else:
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s = s + "|--sw----sw--|\n"
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i = i + 1
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return s
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