wip

Signed-off-by: Benjamin Hesmans <benjamin.hesmans@uclouvain.be>

src/conf/topo/1_para_3

@@ -1,6 +1,6 @@
 desc:Simple configuration with two para link
-leftSubnet:xxx
-rightSubnet:yyy
+leftSubnet:5.5.
+rightSubnet:6.6.
 midSubnet:zzz
 #path_x:delay,queueSize(may be calc),bw
 error

src/mpConfig.py

@@ -0,0 +1,38 @@
+class MpConfig:
+	def __init__(self, topo, param):
+		self.topo = topo
+		self.param = param
+
+	def interfaceUpCommand(self, interfaceName, ip, subnet):
+		s = "ifconfig " + interfaceName + " " + ip + " netmask " + \
+			subnet
+		print(s)
+		return s
+
+	def addRouteTableCommand(self, fromIP, id):
+		s = "ip rule add from " + fromIP + " table " + str(id + 1)
+		print(s)
+		return s
+
+	def addRouteScopeLinkCommand(self, network, interfaceName, id):
+		s = "ip route add " + network + " dev " + interfaceName + \
+				" scope link table " + str(id + 1)
+		print(s)
+		return s
+
+	def addRouteDefaultCommand(self, via, id):
+		s = "ip route add default via " + via + " table " + str(id + 1)
+		print(s)
+		return s
+
+	def addRouteDefaultGlobalCommand(self, via, interfaceName):
+		s = "ip route add default scope global nexthop via " + via + \
+				" dev " + interfaceName
+		print(s)
+		return s
+
+	def addRouteDefaultSimple(self, via):
+		s = "ip route add default via " + via
+		print(s)
+		return s
+

src/mpLinkCharacteristics.py

@@ -7,6 +7,13 @@ class MpLinkCharacteristics:
 		self.delay = delay
 		self.queueSize = queueSize
 		self.bandwidth = bandwidth
+	
+	def asDict(self):
+		d = {}
+		d['delay'] = self.delay
+		d['queueSize'] = self.queueSize
+		d['bandwidth'] = self.bandwidth
+		return d
 
 	def __str__(self):
 		s = "Link id : " + str(self.id) + "\n"

src/mpMininetBuilder.py

@@ -1,5 +1,36 @@
 from mininet.topo import Topo
+from mininet.net import Mininet
+from mininet.link import TCLink
+from mininet.cli import CLI
 
 class MpMininetBuilder(Topo):
 	def __init__(self):
 		Topo.__init__( self )
+		self.net = None
+	
+	def commandTo(self, who, cmd):
+		who.cmd(cmd)
+	
+	def startNetwork(self):
+		self.net = Mininet(topo=self,link=TCLink)
+		self.net.start()
+
+	def getCLI(self):
+		if self.net is None:
+			print("Can not get the CLI")
+		else:
+			CLI(self.net)
+
+	def getHost(self, who):
+		if self.net is None:
+			print("Network not available....")
+			raise Exception("Network not ready");
+		else:
+			return self.net.getNodeByName(who)
+	
+	def stopNetwork(self):
+		if self.net is None:
+			print("Could not stop network... Nothing to stop)")
+		else:
+			self.net.stop()
+

src/mpMultiInterfaceConfig.py

@@ -0,0 +1,99 @@
+from mpConfig import MpConfig
+from mpMultiInterfaceTopo import MpMultiInterfaceTopo
+from mpParamTopo import MpParamTopo
+from mpTopo import MpTopo
+
+class MpMultiInterfaceConfig(MpConfig):
+	def __init__(self, topo, param):
+		MpConfig.__init__(self, topo, param)
+
+	def configureNetwork(self):
+		self.configureInterfaces()
+		self.configureRoute()
+	
+	def configureRoute(self):
+		i = 0
+		for l in self.topo.switch:
+			cmd = self.addRouteTableCommand(self.getClientIP(i), i)
+			self.topo.commandTo(self.client, cmd)
+			
+			cmd = self.addRouteScopeLinkCommand(
+					self.getClientSubnet(i),
+					self.getClientInterface(i), i)
+			self.topo.commandTo(self.client, cmd)
+
+			cmd = self.addRouteDefaultCommand(self.getRouterIPSwitch(i),
+					i)
+			self.topo.commandTo(self.client, cmd)
+			i = i + 1
+		
+		cmd = self.addRouteDefaultGlobalCommand(self.getRouterIPSwitch(0),
+				self.getClientInterface(0))
+		self.topo.commandTo(self.client, cmd)
+
+		cmd = self.addRouteDefaultSimple(self.getRouterIPServer())
+		self.topo.commandTo(self.server, cmd)
+
+	
+	def configureInterfaces(self):
+		self.client = self.topo.getHost(MpTopo.clientName)
+		self.server = self.topo.getHost(MpTopo.serverName)
+		self.router = self.topo.getHost(MpTopo.routerName)
+		i = 0
+		netmask = "255.255.255.0"
+		for l in self.topo.switch:
+			cmd = self.interfaceUpCommand(
+					self.getClientInterface(i),
+					self.getClientIP(i), netmask)
+			self.topo.commandTo(self.client, cmd)
+			
+			cmd = self.interfaceUpCommand(
+					self.getRouterInterfaceSwitch(i),
+					self.getRouterIPSwitch(i), netmask)
+			self.topo.commandTo(self.router, cmd)
+			i = i + 1
+		
+		cmd = self.interfaceUpCommand(self.getRouterInterfaceServer(),
+				self.getRouterIPServer(), netmask)
+		self.topo.commandTo(self.router, cmd)
+		
+		cmd = self.interfaceUpCommand(self.getServerInterface(),
+				self.getServerIP(), netmask)
+		self.topo.commandTo(self.server, cmd)
+
+	def getClientIP(self, interfaceID):
+		lSubnet = self.param.getParam(MpParamTopo.LSUBNET)
+		clientIP = lSubnet + str(interfaceID) + ".1"
+		return clientIP
+
+	def getClientSubnet(self, interfaceID):
+		lSubnet = self.param.getParam(MpParamTopo.LSUBNET)
+		clientSubnet = lSubnet + str(interfaceID) + ".0/24"
+		return clientSubnet
+
+	def getRouterIPSwitch(self, interfaceID):
+		lSubnet = self.param.getParam(MpParamTopo.LSUBNET)
+		routerIP = lSubnet + str(interfaceID) + ".2"
+		return routerIP
+
+	def getRouterIPServer(self):
+		rSubnet = self.param.getParam(MpParamTopo.RSUBNET)
+		routerIP = rSubnet + "0.2"
+		return routerIP
+	
+	def getServerIP(self):
+		rSubnet = self.param.getParam(MpParamTopo.RSUBNET)
+		serverIP = rSubnet + "0.1"
+		return serverIP
+
+	def getRouterInterfaceServer(self):
+		return self.getRouterInterfaceSwitch(len(self.topo.switch))
+
+	def getClientInterface(self, interfaceID):
+		return  MpTopo.clientName + "-eth" + str(interfaceID)
+
+	def getRouterInterfaceSwitch(self, interfaceID):
+		return  MpTopo.routerName + "-eth" + str(interfaceID)
+	
+	def getServerInterface(self):
+		return  MpTopo.serverName + "-eth0"

src/mpMultiInterfaceTopo.py

@@ -4,13 +4,19 @@ class MpMultiInterfaceTopo(MpTopo):
 	def __init__(self, topoBuilder, parameterFile):
 		MpTopo.__init__(self,topoBuilder, parameterFile)
 		print("Hello from topo multi if")
-		self.addHost("Client")
-		self.addHost("Server")
+		self.client = self.addHost(MpTopo.clientName)
+		self.server = self.addHost(MpTopo.serverName)
+		self.router = self.addHost(MpTopo.routerName)
+		self.switch = []
 		for l in self.topoParam.linkCharacteristics:
-			self.addOneSwitchPerLink(l)
+			self.switch.append(self.addOneSwitchPerLink(l))
+			self.addLink(self.client,self.switch[-1])
+			self.addLink(self.switch[-1],self.router, **l.asDict())
+		self.addLink(self.router, self.server)
 
 	def addOneSwitchPerLink(self, link):
-		self.addSwitch("sw" + str(link.id))
+		return self.addSwitch(MpMultiInterfaceTopo.switchNamePrefix +
+				str(link.id))
 	
 	def __str__(self):
 		s = "Simple multiple interface topolgy \n"

src/mpParamTopo.py

@@ -2,6 +2,12 @@ from mpLinkCharacteristics import MpLinkCharacteristics
 
 
 class MpParamTopo:
+	LSUBNET = "leftSubnet"
+	RSUBNET = "rightSubnet"
+	defaultValue = {}
+	defaultValue[LSUBNET] = "10.1."
+	defaultValue[RSUBNET] = "10.2."
+
 	def __init__(self, paramFile):
 		self.paramDic = {}
 		self.linkCharacteristics = []
@@ -43,6 +49,8 @@ class MpParamTopo:
 	def getParam(self, key):
 		if key in self.paramDic:
 			return self.paramDic[key]
+		elif key in MpParamTopo.defaultValue:
+			return MpParamTopo[key]
 		else:
 			raise Exception("Param not found " + key)
 

src/mpPerf.py

@@ -3,6 +3,7 @@
 import sys, getopt
 from mpParamTopo import MpParamTopo
 from mpMultiInterfaceTopo import MpMultiInterfaceTopo
+from mpMultiInterfaceConfig import MpMultiInterfaceConfig
 from mpMininetBuilder import MpMininetBuilder
 
 topoParamFile = None
@@ -38,7 +39,11 @@ if __name__ == '__main__':
 	if topoType == "mininet":
 		if param.getParam('topoType') == "MultiIf":
 			mpTopo = MpMultiInterfaceTopo(MpMininetBuilder(), param)
-
+			mpConfig = MpMultiInterfaceConfig(mpTopo, param)
+			mpTopo.startNetwork()
+			mpConfig.configureNetwork()
+			mpTopo.getCLI()
+			mpTopo.stopNetwork()
 	else:
 		print("Unrecognized topo type")
 	print(mpTopo)

src/mpTopo.py

@@ -1,28 +1,35 @@
 class MpTopo:
+	switchNamePrefix = "s"
+	clientName = "Client"
+	serverName = "Server"
+	routerName = "Router"
+
 	"""Simple MpTopo"""
 	def __init__(self, topoBuilder, topoParam):
 		self.topoBuilder = topoBuilder
 		self.topoParam = topoParam 
 	
 	def commandTo(self, who, cmd):
-		pass
+		self.topoBuilder.commandTo(who, cmd)
 
 	def getHost(self, who):
-		pass
+		return self.topoBuilder.getHost(who)
 
 	def addHost(self, host):
-		print("TODO, add host " + host)
-		self.topoBuilder.addHost(host)
-		pass
+		return self.topoBuilder.addHost(host)
 
 	def addSwitch(self, switch):
-		print("TODO, add switchi " + switch)
-		self.topoBuilder.addSwitch(switch)
-		pass
+		return self.topoBuilder.addSwitch(switch)
 
 	def addLink(self, fromA, toB, **kwargs):
-		#todo check syntax for **kwargs
+		print(kwargs)
 		self.topoBuilder.addLink(fromA,toB,**kwargs)
-		pass
 
-	
+	def getCLI(self):
+		self.topoBuilder.getCLI()
+
+	def startNetwork(self):
+		self.topoBuilder.startNetwork()
+
+	def stopNetwork(self):
+		self.topoBuilder.stopNetwork()