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()
# along with Mini-NDN, e.g., in COPYING.md file. # 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)
def runExperiment(): setLogLevel('info') dtBegin = datetime.now() info("Starting network") ndn = Minindn( topoFile='/home/vagrant/icnsimulations/topologies/wired-topo4.conf') # ndn = Minindn(topoFile='/home/vagrant/icnsimulations/topologies/wired-switch.conf', controller=lambda name: RemoteController(name, ip='127.0.0.1', port=6633)) ndn.start() # Properly connect switches to the SDN controller # nApId = 1 # for pSwitch in ndn.net.switches: # info('Setting up switch=%s\n3 vsctl', 'set-controller', str(pSwitch), 'tcp:127.0.0.1:6633']) # subprocess.call(['ovs-vsctl', 'set', 'bridge', str(pSwitch), 'other-config:datapath-id='+strApId]) # nApId += 1 # Properly set IPs for all interfaces # nNextIP = 10 # lstIntfSet = [] # for pNode in ndn.net.switches + ndn.net.hosts: # lstIntf = pNode.intfList() # for pIntf in lstIntf: # strIntf = pIntf.name # if (strIntf != 'lo') and (strIntf not in lstIntfSet): # strIP = '10.0.0.' + str(nNextIP) + '/24' # info('Node=%s; Interface=%s; IP=%s\n' % (str(pNode), strIntf, strIP)) # pNode.setIP(strIP, intf=pIntf) # nNextIP += 1 # lstIntfSet.append(strIntf) ''' Node=sw1; Interface=sw1-eth1; IP=10.0.0.10/24 Node=sw1; Interface=sw1-eth2; IP=10.0.0.11/24 Node=sw2; Interface=sw2-eth1; IP=10.0.0.12/24 Node=sw2; Interface=sw2-eth2; IP=10.0.0.13/24 Node=d0; Interface=d0-eth0; IP=10.0.0.14/24 Node=d0; Interface=d0-eth1; IP=10.0.0.15/24 Node=h0; Interface=h0-eth0; IP=10.0.0.16/24 Node=v0; Interface=v0-eth0; IP=10.0.0.17/24 ''' info("Starting NFD and NLSR\n") sleep(2) nfds = AppManager(ndn, ndn.net.hosts, Nfd, logLevel=c_strNFDLogLevel) nlsrs = AppManager(ndn, ndn.net.hosts, Nlsr, logLevel=c_strNLSRLogLevel) # Create faces linking every node and instantiate producers info("Creating faces and instantiating producers...\n") hshProducers = {} nHostsSet = 1 for pHostOrig in ndn.net.hosts: info('Register, pHostOrig=%s %d/%d\n' % (str(pHostOrig), nHostsSet, len(ndn.net.hosts))) for pHostDest in ndn.net.hosts: if (pHostDest != pHostOrig): Nfdc.createFace(pHostOrig, pHostDest.IP()) Nfdc.registerRoute(pHostOrig, interestFilterForHost(pHostDest), pHostDest.IP()) getPopen(pHostOrig, 'producer %s &' % interestFilterForHost(pHostOrig)) nHostsSet += 1 # nPeriodMs = 700 # nMaxPackets = 1000 # for pHost in ndn.net.hosts: # getPopen(pHost, 'consumer-with-timer %s %d %d' % (str(pHost), nPeriodMs, nMaxPackets for pHost in ndn.net.hosts: strCmd1 = 'export HOME=/tmp/minindn/%s; ' % str(pHost) strCmd2 = 'consumer-with-queue %s /home/vagrant/icnsimulations/topologies/queue_wired-topo4.txt &' % ( str(pHost)) strCmd = strCmd1 + strCmd2 info('cmd: %s\n' % strCmd) # pHost.cmd(strCmd) getPopen( pHost, 'consumer-with-queue %s /home/vagrant/icnsimulations/topologies/queue_wired-topo4.txt &' % (str(pHost))) dtDelta = datetime.now() - dtBegin info('Done setting up, took %.2f seconds\n' % dtDelta.total_seconds()) # Start the CLI if (c_bShowCli): MiniNDNCLI(ndn.net) ndn.net.stop() ndn.cleanUp()