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()
Exemplo n.º 2
0
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)

    ndn.stop()
Exemplo n.º 3
0
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)
Exemplo n.º 4
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()