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April 11, 2016 08:01
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#!/usr/bin/env python | |
from mininet.net import Mininet | |
from mininet.node import Controller, RemoteController | |
from mininet.cli import CLI | |
from mininet.log import setLogLevel, info | |
from mininet.link import Link, Intf, TCLink | |
from mininet.topo import Topo | |
from mininet.util import dumpNodeConnections | |
from mininet.node import Host | |
from mininet.node import Switch | |
import logging | |
import os | |
logging.basicConfig(level=logging.DEBUG) | |
logger = logging.getLogger( __name__ ) | |
class HugeTopo(Topo): | |
logger.debug("Class HugeTopo") | |
CoreSwitchList = [] | |
AggSwitchList = [] | |
EdgeSwitchList = [] | |
HostList = [] | |
iNUMBER = 0 | |
def __init__(self): | |
logger.debug("Class HugeTopo init") | |
iNUMBER = 4 | |
self.iNUMBER = iNUMBER | |
self.iCoreLayerSwitch = iNUMBER | |
self.iAggLayerSwitch = iNUMBER * 2 | |
self.iEdgeLayerSwitch = iNUMBER * 2 | |
self.iHost = self.iEdgeLayerSwitch * 2 | |
#Init Topo | |
Topo.__init__(self) | |
def createTopo(self): | |
logger.debug("Start create Core Layer Swich") | |
self.createCoreLayerSwitch(self.iCoreLayerSwitch) | |
logger.debug("Start create Agg Layer Swich ") | |
self.createAggLayerSwitch(self.iAggLayerSwitch) | |
logger.debug("Start create Edge Layer Swich ") | |
self.createEdgeLayerSwitch(self.iEdgeLayerSwitch) | |
logger.debug("Start create Host") | |
self.createHost(self.iHost) | |
""" | |
Create Switch and Host | |
""" | |
def createCoreLayerSwitch(self, NUMBER): | |
logger.debug("Create Core Layer") | |
for x in range(1, NUMBER+1): | |
PREFIX = "s10" | |
if x >= int(10): | |
PREFIX = "s1" | |
self.CoreSwitchList.append(self.addSwitch(PREFIX + str(x))) | |
def createAggLayerSwitch(self, NUMBER): | |
logger.debug( "Create Agg Layer") | |
for x in range(1, NUMBER+1): | |
PREFIX = "s20" | |
if x >= int(10): | |
PREFIX = "s2" | |
self.AggSwitchList.append(self.addSwitch(PREFIX + str(x))) | |
def createEdgeLayerSwitch(self, NUMBER): | |
logger.debug("Create Edge Layer") | |
for x in range(1, NUMBER+1): | |
PREFIX = "s30" | |
if x >= int(10): | |
PREFIX = "s3" | |
self.EdgeSwitchList.append(self.addSwitch(PREFIX + str(x))) | |
def createHost(self, NUMBER): | |
logger.debug("Create Host") | |
for x in range(1, NUMBER+1): | |
PREFIX = "h0" | |
if x >= int(10): | |
PREFIX = "h" | |
self.HostList.append(self.addHost(PREFIX + str(x))) | |
""" | |
Create Link | |
""" | |
def createLink(self): | |
logger.debug("Create Core to Agg") | |
for x in range(0, self.iAggLayerSwitch, 2): | |
self.addLink(self.CoreSwitchList[0], self.AggSwitchList[x], bw=1000) | |
self.addLink(self.CoreSwitchList[1], self.AggSwitchList[x], bw=1000) | |
for x in range(1, self.iAggLayerSwitch, 2): | |
self.addLink(self.CoreSwitchList[2], self.AggSwitchList[x], bw=1000) | |
self.addLink(self.CoreSwitchList[3], self.AggSwitchList[x], bw=1000) | |
logger.debug("Create Agg to Edge") | |
for x in range(0, self.iAggLayerSwitch, 2): | |
self.addLink(self.AggSwitchList[x], self.EdgeSwitchList[x], bw=100) | |
self.addLink(self.AggSwitchList[x], self.EdgeSwitchList[x+1], bw=100) | |
self.addLink(self.AggSwitchList[x+1], self.EdgeSwitchList[x], bw=100) | |
self.addLink(self.AggSwitchList[x+1], self.EdgeSwitchList[x+1], bw=100) | |
logger.debug("Create Edge to Host") | |
for x in range(0, self.iEdgeLayerSwitch): | |
## limit = 2 * x + 1 | |
self.addLink(self.EdgeSwitchList[x], self.HostList[2 * x]) | |
self.addLink(self.EdgeSwitchList[x], self.HostList[2 * x + 1]) | |
def enableSTP(): | |
""" | |
//HATE: Dirty Code | |
""" | |
for x in range(1,5): | |
cmd = "ovs-vsctl set Bridge %s stp_enable=true" % ("100" + str(x)) | |
os.system(cmd) | |
print cmd | |
for x in range(1, 9): | |
cmd = "ovs-vsctl set Bridge %s stp_enable=true" % ("200" + str(x)) | |
os.system(cmd) | |
print cmd | |
cmd = "ovs-vsctl set Bridge %s stp_enable=true" % ("300" + str(x)) | |
os.system(cmd) | |
print cmd | |
def iperfTest(net, topo): | |
logger.debug("Start iperfTEST") | |
h1000, h1015, h1016 = net.get(topo.HostList[0], topo.HostList[14], topo.HostList[15]) | |
#iperf Server | |
h1000.popen('iperf -s -u -i 1 > iperf_server_differentPod_result', shell=True) | |
#iperf Server | |
h1015.popen('iperf -s -u -i 1 > iperf_server_samePod_result', shell=True) | |
#iperf Client | |
h1016.cmdPrint('iperf -c ' + h1000.IP() + ' -u -t 10 -i 1 -b 100m') | |
h1016.cmdPrint('iperf -c ' + h1015.IP() + ' -u -t 10 -i 1 -b 100m') | |
def pingTest(net): | |
logger.debug("Start Test all network") | |
net.pingAll() | |
def createTopo(): | |
logging.debug("LV1 Create HugeTopo") | |
topo = HugeTopo() | |
topo.createTopo() | |
topo.createLink() | |
logging.debug("LV1 Start Mininet") | |
CONTROLLER_IP = "127.0.0.1" | |
CONTROLLER_PORT = 6653 | |
net = Mininet(topo=topo, link=TCLink, controller=None) | |
net.addController( 'controller',controller=RemoteController,ip=CONTROLLER_IP,port=CONTROLLER_PORT) | |
net.start() | |
logger.debug("LV1 dumpNode") | |
enableSTP() | |
dumpNodeConnections(net.hosts) | |
#h4001=Host('4001').MAC() | |
#print "h4001:",h4001 | |
#s3001=net.get('3001') | |
#print s3001.MAC() | |
#pingTest(net) | |
#iperfTest(net, topo) | |
CLI(net) | |
net.stop() | |
if __name__ == '__main__': | |
setLogLevel('info') | |
if os.getuid() != 0: | |
logger.debug("You are NOT root") | |
elif os.getuid() == 0: | |
createTopo() |
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