Exemplo n.º 1
0
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()
def runExperiment():
    setLogLevel('info')

    info("Starting network")
    topo = Topo()
    sta1 = topo.addStation("sta1", range=150, speed=5)
    sta2 = topo.addStation("sta2", range=200)
    ap1 = topo.addAccessPoint("ap1", position="150,150,0", range=150)
    topo.addLink(sta1, ap1, delay="10ms")
    topo.addLink(sta2, ap1, delay="10ms")
    ndnwifi = MinindnWifi(topo=topo)
    a = ndnwifi.net["sta1"]
    b = ndnwifi.net["sta2"]
    # Test for model-based mobility
    if ndnwifi.args.modelMob:
        ndnwifi.startMobilityModel(model='GaussMarkov')
    #Test for replay based mobility
    if ndnwifi.args.mobility:
        info("Running with mobility...")

        p1, p2, p3, p4 = dict(), dict(), dict(), dict()
        p1 = {'position': '150.0,150.0,0.0'}
        p2 = {'position': '140.0,130.0,0.0'}

        p3 = {'position': '250.0,250.0,0.0'}
        p4 = {'position': '301.0,301.0,0.0'}

        ndnwifi.net.mobility(a, 'start', time=1, **p1)
        ndnwifi.net.mobility(a, 'stop', time=12, **p3)
        ndnwifi.net.mobility(b, 'start', time=2, **p2)
        ndnwifi.net.mobility(b, 'stop', time=22, **p4)
        ndnwifi.net.stopMobility(time=23)
        ndnwifi.startMobility(time=0, mob_rep=1, reverse=False)

    ndnwifi.start()
    info("Starting NFD")
    sleep(2)
    nfds = AppManager(ndnwifi, ndnwifi.net.stations, Nfd)

    info("Starting pingserver...")
    NDNPing.startPingServer(b, "/example")
    Nfdc.createFace(a, b.IP())
    Nfdc.registerRoute(a, "/example", b.IP())

    info("Starting ping...")
    NDNPing.ping(a, "/example", 10)

    # Start the CLI
    MiniNDNWifiCLI(ndnwifi.net)
    ndnwifi.net.stop()
    ndnwifi.cleanUp()
Exemplo n.º 3
0
def runExperiment():
    setLogLevel('info')

    info("Starting network")
    ndnwifi = MinindnWifi()
    a = ndnwifi.net["sta1"]
    b = ndnwifi.net["sta2"]
    # Test for model-based mobility
    if ndnwifi.args.modelMob:
        ndnwifi.startMobilityModel(model='GaussMarkov')
    #Test for replay based mobility
    if ndnwifi.args.mobility:
        info("Running with mobility...")

        p1, p2, p3, p4 = dict(), dict(), dict(), dict()
        p1 = {'position': '40.0,30.0,0.0'}
        p2 = {'position': '40.0,40.0,0.0'}
        p3 = {'position': '31.0,10.0,0.0'}
        p4 = {'position': '200.0,200.0,0.0'}

        ndnwifi.net.mobility(a, 'start', time=1, **p1)
        ndnwifi.net.mobility(b, 'start', time=2, **p2)
        ndnwifi.net.mobility(a, 'stop', time=12, **p3)
        ndnwifi.net.mobility(b, 'stop', time=22, **p4)
        ndnwifi.net.stopMobility(time=23)
        ndnwifi.startMobility(time=0, mob_rep=1, reverse=False)

    ndnwifi.start()
    info("Starting NFD")
    sleep(2)
    nfds = AppManager(ndnwifi, ndnwifi.net.stations, Nfd)

    info("Starting pingserver...")
    NDNPing.startPingServer(b, "/example")
    Nfdc.createFace(a, b.IP())
    Nfdc.registerRoute(a, "/example", b.IP())

    info("Starting ping...")
    NDNPing.ping(a, "/example", nPings=10)

    sleep(10)
    # Start the CLI
    MiniNDNWifiCLI(ndnwifi.net)
    ndnwifi.net.stop()
    ndnwifi.cleanUp()
def registerRouteToAllNeighbors(ndn, host, syncPrefix):
    for node in ndn.net.hosts:
        for neighbor in node.connectionsTo(host):
            ip = node.IP(neighbor[0])
            Nfdc.createFace(host, ip)
            Nfdc.registerRoute(host, syncPrefix, ip)
Exemplo n.º 5
0
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()
Exemplo n.º 6
0
def runExperiment():
    setLogLevel('info')

    info("Starting network")
    ndnwifi = MinindnWifi(
        controller=lambda name: RemoteController(
            name, ip='127.0.0.1', port=6633),
        topoFile='/home/vagrant/icnsimulations/topologies/topo-tiny.conf')

    ndnwifi.start()
    sleep(2)

    nApId = 1
    for pAp in ndnwifi.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

    # Set IPs for access points
    nNextIP = 4
    lstIntfSet = []
    for pAp in ndnwifi.net.aps:
        lstIntf = pAp.intfList()
        for pIntf in lstIntf:
            strIntf = pIntf.name
            if (strIntf != 'lo') and (strIntf not in lstIntfSet):
                strIP = '10.0.0.' + str(nNextIP) + '/24'
                info('AP=%s; Intf=%s; IP=%s\n' % (str(pAp), strIntf, strIP))
                pAp.setIP(strIP, intf=pIntf)
                nNextIP += 1
                lstIntfSet.append(strIntf)

    # Set IPs for hosts
    for pStation in ndnwifi.net.stations:
        lstIntf = pStation.intfList()
        for pIntf in lstIntf:
            strIntf = pIntf.name
            if (strIntf != 'lo') and (strIntf not in lstIntfSet):
                strIP = '10.0.0.' + str(nNextIP) + '/24'
                info('STATION=%s; Intf=%s; IP=%s\n' %
                     (str(pStation), strIntf, strIP))
                pStation.setIP(strIP, intf=pIntf)
                nNextIP += 1
                lstIntfSet.append(strIntf)

    info("Starting NFD\n")
    nfds = AppManager(ndnwifi, ndnwifi.net.stations + ndnwifi.net.aps, Nfd)
    # nlsrs = AppManager(ndnwifi, ndnwifi.net.aps, Nlsr)

    # Create faces linking every node and instantiate producers
    info("Creating faces and instantiating producers...\n")
    hshProducers = {}
    for pHostOrig in ndnwifi.net.stations + ndnwifi.net.aps:
        for pHostDest in ndnwifi.net.stations + ndnwifi.net.aps:
            if (pHostDest != pHostOrig):
                info('Register, pHostOrig=%s; pHostDest=%s\n' %
                     (str(pHostOrig), str(pHostDest)))
                Nfdc.createFace(pHostOrig, pHostDest.IP())
                Nfdc.registerRoute(pHostOrig, interestFilterForHost(pHostDest),
                                   pHostDest.IP())

        getPopen(pHostOrig, 'producer %s &' % interestFilterForHost(pHostOrig))

    # cons = ndnwifi.net.stations['h0']
    # getPopen(cons, 'consumer-with-timer h0')

    # Start the CLI
    if (c_bShowCli):
        MiniNDNWifiCLI(ndnwifi.net)

    ndnwifi.net.stop()
    ndnwifi.cleanUp()
Exemplo n.º 7
0
 def createFaces(self):
     for ip in self.neighborIPs:
         Nfdc.createFace(self.node, ip, self.faceType, isPermanent=True)
Exemplo n.º 8
0
 def createFaces(self, node, neighborIPs):
     for ip in neighborIPs.values():
         nfdc.createFace(node, ip, self.faceType)
Exemplo n.º 9
0
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()