def run():
Minindn.cleanUp()
Minindn.verifyDependencies()
topo = Topo()
# Setup topo
info("Setup\n")
a = topo.addHost('a')
b = topo.addHost('b')
c = topo.addHost('c')
topo.addLink(a, b, delay='10ms', bw=10)
topo.addLink(b, c, delay='10ms', bw=10)
ndn = Minindn(topo=topo)
ndn.start()
info("Configuring NFD\n")
nfds = AppManager(ndn, ndn.net.hosts, Nfd, logLevel="DEBUG")
#nlsr = AppManager(ndn, ndn.net.hosts, Nlsr, logLevel="DEBUG")
# This is a fancy way of setting up the routes without violating DRY;
# the important bit to note is the Nfdc command
links = {"a": ["b"], "b": ["c"]}
for first in links:
for second in links[first]:
host1 = ndn.net[first]
host2 = ndn.net[second]
interface = host2.connectionsTo(host1)[0][0]
#info(interface)
interface_ip = interface.IP()
Nfdc.createFace(host1, interface_ip)
Nfdc.registerRoute(host1, PREFIX, interface_ip, cost=0)
info("Starting pings...\n")
pingserver_log = open("/tmp/minindn/c/ndnpingserver.log", "w")
pingserver = getPopen(ndn.net["c"],
"ndnpingserver {}".format(PREFIX),
stdout=pingserver_log,
stderr=pingserver_log)
ping1 = getPopen(ndn.net["a"],
"ndnping {} -c 5".format(PREFIX),
stdout=PIPE,
stderr=PIPE)
ping1.wait()
info(ping1.stdout.read())
interface = ndn.net["b"].connectionsTo(ndn.net["a"])[0][0]
info("Failing link\n")
interface.config(delay="10ms", bw=10, loss=100)
ping2 = getPopen(ndn.net["a"],
"ndnping {} -c 5".format(PREFIX),
stdout=PIPE,
stderr=PIPE)
ping2.wait()
info(ping2.stdout.read())
interface.config(delay="10ms", bw=10, loss=0)
MiniNDNCLI(ndn.net)
info("Finished!\n")
ndn.stop()
# If not, see <http://www.gnu.org/licenses/>.
from mininet.log import setLogLevel, info
from minindn.minindn import Minindn
from minindn.apps.app_manager import AppManager
from minindn.util import MiniNDNCLI
from minindn.apps.nfd import Nfd
from minindn.apps.nlsr import Nlsr
from minindn.apps.tshark import Tshark
if __name__ == '__main__':
setLogLevel('info')
Minindn.cleanUp()
Minindn.verifyDependencies()
ndn = Minindn()
ndn.start()
info('Starting tshark logging on nodes\n')
tshark = AppManager(ndn, ndn.net.hosts, Tshark, logFolder="./log/")
info('Starting NFD on nodes\n')
nfds = AppManager(ndn, ndn.net.hosts, Nfd)
info('Starting NLSR on nodes\n')
nlsrs = AppManager(ndn, ndn.net.hosts, Nlsr)
MiniNDNCLI(ndn.net)
def runExperiment(strTopoPath, lstDataQueue, bWifi=True):
"""
Runs the experiment using regular MiniNDN
"""
global g_bShowMiniNDNCli, g_bSDNEnabled
logging.info('[runExperiment] Running MiniNDN experiment')
if (bWifi):
MiniNDNClass = MinindnWifi
else:
MiniNDNClass = Minindn
Minindn.cleanUp()
Minindn.verifyDependencies()
######################################################
# Start MiniNDN and set controller, if any
if (g_bSDNEnabled):
ndn = MiniNDNClass(topoFile=strTopoPath, controller=RemoteController)
else:
ndn = MiniNDNClass(topoFile=strTopoPath)
ndn.start()
# Wifi topology uses stations instead of hosts, the idea is the same
if (bWifi):
lstHosts = ndn.net.stations + ndn.net.hosts
# for pStation in ndn.net.stations:
# strIP = pStation.IP() + '/24'
# setStationIPs(pStation, strIP)
# logging.info('[runExperiment] station=%s, IP=%s' % (str(pStation), strIP))
if (ndn.net.aps is not None) and (len(ndn.net.aps) > 0):
# Connect all APs to the remote controller
# This should be done regardless of SDN, otherwise packets will not be routed
logging.info('[runExperiment] Setting up access points...')
nApId = 1
for pAp in ndn.net.aps:
strApId = '1000000000' + str(nApId).zfill(6)
subprocess.call([
'ovs-vsctl', 'set-controller',
str(pAp), 'tcp:127.0.0.1:6633'
])
subprocess.call([
'ovs-vsctl', 'set', 'bridge',
str(pAp), 'other-config:datapath-id=' + strApId
])
nApId += 1
# TODO: Add priority based rules to APs if g_bSDNEnabled
# ovs-ofctl add-flow <ap_name> dl_type=0x0800
else:
lstHosts = ndn.net.hosts
#######################################################
# Initialize NFD and set cache size based on host type
logging.info('[runExperiment] Starting NFD on nodes')
lstHumanHosts = []
lstDroneHosts = []
lstSensorHosts = []
lstVehicleHosts = []
for pHost in lstHosts:
if (pHost.name[0] == 'h'):
lstHumanHosts.append(pHost)
elif (pHost.name[0] == 'd'):
lstDroneHosts.append(pHost)
elif (pHost.name[0] == 's'):
lstSensorHosts.append(pHost)
elif (pHost.name[0] == 'v'):
lstVehicleHosts.append(pHost)
else:
raise Exception(
'[runExperiment] Hostname=%s not recognized as human, drone, sensor or vehicle'
% pHost.name)
nfdsHuman = AppManager(ndn,
lstHumanHosts,
Nfd,
csSize=c_nHumanCacheSize,
logLevel=c_strNFDLogLevel)
logging.info('[runExperiment] Cache set for humans=%d, size=%d' %
(len(lstHumanHosts), c_nHumanCacheSize))
nfdsDrone = AppManager(ndn,
lstDroneHosts,
Nfd,
csSize=c_nDroneCacheSize,
logLevel=c_strNFDLogLevel)
logging.info('[runExperiment] Cache set for drones=%d, size=%d' %
(len(lstDroneHosts), c_nDroneCacheSize))
nfdsSensor = AppManager(ndn,
lstSensorHosts,
Nfd,
csSize=c_nSensorCacheSize,
logLevel=c_strNFDLogLevel)
logging.info('[runExperiment] Cache set for sensors=%d, size=%d' %
(len(lstSensorHosts), c_nSensorCacheSize))
nfdsVehicle = AppManager(ndn,
lstVehicleHosts,
Nfd,
csSize=c_nVehicleCacheSize,
logLevel=c_strNFDLogLevel)
logging.info('[runExperiment] Cache set for vehicles=%d, size=%d' %
(len(lstVehicleHosts), c_nVehicleCacheSize))
# Advertise faces
logging.info('[runExperiment] Setting up faces for %d hosts' %
len(lstHosts))
for pHostOrig in lstHosts:
for pHostDest in lstHosts:
if (pHostDest != pHostOrig):
logging.debug(
'[runExperiment] Register, pHostOrig=%s; pHostDest=%s' %
(str(pHostOrig), str(pHostDest)))
Nfdc.createFace(pHostOrig, pHostDest.IP())
Nfdc.registerRoute(
pHostOrig, RandomTalks.getFilterByHostname(str(pHostDest)),
pHostDest.IP())
if (not bWifi):
##########################################################
# Initialize NLSR
logging.info('[runExperiment] Starting NLSR on nodes')
nlsrs = AppManager(ndn, lstHosts, Nlsr, logLevel=c_strNLSRLogLevel)
##########################################################
# Wait for NLSR initialization, at least 30 seconds to be on the safe side
logging.info('[runExperiment] NLSR sleep set to %d seconds' %
c_nNLSRSleepSec)
time.sleep(c_nNLSRSleepSec)
##########################################################
# Set up and run experiment
logging.info('[runExperiment] Begin experiment')
Experiment = RandomTalks(lstHosts, lstDataQueue)
try:
logging.info('[runExperiment] Running pingall ...')
# ndn.net.pingAll()
logging.info('[runExperiment] Pingall done')
Experiment.setup()
(dtBegin, dtEnd) = Experiment.run()
except Exception as e:
logging.error(
'[runExperiment] An exception was raised during the experiment: %s'
% str(e))
raise
logging.info(
'[runExperiment] End of experiment, TimeElapsed=%s; KBytesConsumed=%.2f'
% (str(dtEnd - dtBegin), float(Experiment.nBytesConsumed) / 1024))
if (g_bShowMiniNDNCli):
if (bWifi):
MiniNDNWifiCLI(ndn.net)
else:
MiniNDNCLI(ndn.net)
ndn.stop()
def run():
PREFIX = "/ndn/test/"
Minindn.cleanUp()
Minindn.verifyDependencies()
topo = Topo()
# Setup topo
print("Setup")
c1 = topo.addHost('c1')
i1 = topo.addHost('i1')
i2 = topo.addHost('i2')
i3 = topo.addHost('i3')
i4 = topo.addHost('i4')
i5 = topo.addHost('i5')
i6 = topo.addHost('i6')
p1 = topo.addHost('p1')
topo.addLink(c1, i1, bw=10)
topo.addLink(i1, i2, bw=4, delay='40ms')
topo.addLink(i1, i3, bw=4, delay='10ms')
topo.addLink(i1, i4, bw=4, delay='40ms')
topo.addLink(i1, i5, bw=4, delay='40ms')
topo.addLink(i2, i6, bw=7, delay='7ms')
topo.addLink(i3, i6, bw=7, delay='7ms')
topo.addLink(i4, i6, bw=7, delay='7ms')
topo.addLink(i5, i6, bw=7, delay='7ms')
topo.addLink(i6, p1, bw=10)
ndn = Minindn(topo=topo)
ndn.start()
nfds = AppManager(ndn, ndn.net.hosts, Nfd)
# Setup routes to C2
# This is not functional but I'm saving this as an example for the future :)
# for host1 in ndn.net.hosts:
# for host2 in ndn.net.hosts:
# if 'p' in host1.name and not 'p' in host2.name:
# return
# elif 'i' in host1.name and 'c' in host2.name:
# return
# else:
# interface = host2.connectionsTo(host1)[0]
# interface_ip = interface.IP()
# Nfdc.registerRoute(host1, PREFIX, interface_ip)
links = {"c1": ["i1", "i2"], "i1": ["p1"], "i2": ["p2"]}
for first in links:
for second in links[first]:
host1 = ndn.net[first]
host2 = ndn.net[second]
interface = host2.connectionsTo(host1)[0]
interface_ip = interface.IP()
Nfdc.registerRoute(host1, PREFIX, interface_ip)
interface = host2.connectionsTo(host1)[0]
interface_ip = interface.IP()
Nfdc.registerRoute(host1, PREFIX, interface_ip)
# Run small thing before to ensure info caching, large afterwards?
# print("Setup round")
# getPopen(ndn.net["c1"], "ndn-traffic-client -c 5 cons_conf")
# getPopen(ndn.net["p1"], "ndn-traffic-server -c 5 prod_conf")
# # TODO: Traffic generator!
# sleep(5) # ?
# nfds["i3"].stop()
# tempshark = Tshark(ndn["c1"])
# tempshark.start()
# print("Round 1")
# time1 = time()
# getPopen(ndn.net["c1"], "ndn-traffic-client -c 20 cons_conf")
# getPopen(ndn.net["p1"], "ndn-traffic-server -c 20 prod_conf")
# # Wait on processes to close, end
# time2 = time()
# print("Time elapsed: {} s".format(time2 - time1))
MiniNDNCLI(ndn.net)