Exemple #1
0
 def do_x( self, line ):
     """Create an X11 tunnel to the given node,
        optionally starting a client."""
     args = line.split()
     if not args:
         error( 'usage: x node [cmd args]...\n' )
     else:
         node = self.mn[ args[ 0 ] ]
         cmd = args[ 1: ]
         self.mn.terms += runX11( node, cmd )
Exemple #2
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 def do_x( self, line ):
     """Create an X11 tunnel to the given node,
        optionally starting a client."""
     args = line.split()
     if not args:
         error( 'usage: x node [cmd args]...\n' )
     else:
         node = self.mn[ args[ 0 ] ]
         cmd = args[ 1: ]
         self.mn.terms += runX11( node, cmd )
 def do_x( self, line ):
     """Create an X11 tunnel to the given component,
        optionally starting a client."""
     args = line.split()
     if not args:
         error( 'usage: x comp [cmd args]...\n' )
     else:
         comp = self.cn[ args[ 0 ] ]
         cmd = args[ 1: ]
         self.cn.terms += runX11( comp.node, cmd )
Exemple #4
0
def myNetwork():

    net = Mininet(topo=None, build=False)

    info('*** Adding controller\n')
    info('*** Add switches\n')
    S1 = net.addSwitch('S1', cls=OVSKernelSwitch, failMode='standalone')
    S2 = net.addSwitch('S2', cls=OVSKernelSwitch, failMode='standalone')
    S3 = net.addSwitch('S3', cls=OVSKernelSwitch, failMode='standalone')
    S4 = net.addSwitch('S4', cls=OVSKernelSwitch, failMode='standalone')
    S5 = net.addSwitch('S5', cls=OVSKernelSwitch, failMode='standalone')
    S6 = net.addSwitch('S6', cls=OVSKernelSwitch, failMode='standalone')

    R1 = net.addHost('R1', cls=Node, ip='0.0.0.0')
    R2 = net.addHost('R2', cls=Node, ip='0.0.0.0')
    R3 = net.addHost('R3', cls=Node, ip='0.0.0.0')
    R4 = net.addHost('R4', cls=Node, ip='0.0.0.0')
    R5 = net.addHost('R5', cls=Node, ip='0.0.0.0')

    info('*** Add hosts\n')
    T1 = net.addHost('T1', cls=Host)
    T2 = net.addHost('T2', cls=Host)

    info('*** Add links\n')
    delay = 5
    T1S1 = {'bw': 1, 'delay': str(delay) + 'ms', 'max_queue_size': 10000}
    links = [[S1, T1], [S2, T1], [S2, R2], [S4, R2], [S4, R5], [S4, R4],
             [S6, R4], [S5, T2], [S6, T2], [S1, R1], [S3, R1], [S3, R3],
             [S5, R3], [S3, R5]]

    for s, t in links:
        #print "\n",s, t,
        net.addLink(s, t, cls=TCLink, **T1S1)

    info('*** Starting network\n')
    net.build()
    info('*** Starting controllers\n')
    for controller in net.controllers:
        controller.start()

    info('*** Starting switches\n')
    net.get('S1').start([])
    net.get('S2').start([])
    net.get('S3').start([])
    net.get('S4').start([])
    net.get('S5').start([])
    net.get('S6').start([])

    info('*** Post configure switches and hosts\n')
    R1.cmd('sysctl -w net.ipv4.ip_forward=1')
    R2.cmd('sysctl -w net.ipv4.ip_forward=1')
    R3.cmd('sysctl -w net.ipv4.ip_forward=1')
    R4.cmd('sysctl -w net.ipv4.ip_forward=1')
    R5.cmd('sysctl -w net.ipv4.ip_forward=1')
    ips = [[T1, "T1-eth0", "10.0.1.2", "10.0.1.1"],
           [T1, "T1-eth1", "10.0.2.2", "10.0.2.1"],
           [R1, "R1-eth0", "10.0.1.1"], [R1, "R1-eth1", "10.0.3.1"],
           [R2, "R2-eth0", "10.0.2.1"], [R2, "R2-eth1", "10.0.4.1"],
           [R3, "R3-eth0", "10.0.3.2"], [R3, "R3-eth1", "10.0.5.1"],
           [R4, "R4-eth0", "10.0.4.2"], [R4, "R4-eth1", "10.0.6.1"],
           [R5, "R5-eth0", "10.0.4.3"], [R5, "R5-eth1", "10.0.3.3"],
           [T2, "T2-eth0", "10.0.5.2", "10.0.5.1"],
           [T2, "T2-eth1", "10.0.6.2", "10.0.6.1"]]

    for x in ips:
        cmd = "ifconfig " + x[1] + " " + x[2] + " netmask 255.255.255.0"
        # print cmd
        x[0].cmd(cmd)
        if len(x) < 4:
            continue
        cmd = "route add default gw " + x[3] + " dev " + x[1]
        # print cmd
        x[0].cmd(cmd)

    routersRouting = [
        [R1, "10.0.2.0/24", "R1-eth1", "10.0.3.3"],
        [R1, "10.0.4.0/24", "R1-eth1", "10.0.3.3"],
        [R1, "10.0.6.0/24", "R1-eth1", "10.0.3.3"],
        [R1, "10.0.5.0/24", "R1-eth1", "10.0.3.2"],
        #[R1, "10.0.5.0/24", "R1-eth1", "10.0.3.2"],
        [R2, "10.0.3.0/24", "R2-eth1", "10.0.4.3"],
        [R2, "10.0.1.0/24", "R2-eth1", "10.0.4.3"],
        [R2, "10.0.5.0/24", "R2-eth1", "10.0.4.3"],
        [R2, "10.0.6.0/24", "R2-eth1", "10.0.4.2"],
        [R4, "10.0.2.0/24", "R4-eth0", "10.0.4.1"],
        [R4, "10.0.1.0/24", "R4-eth0", "10.0.4.3"],
        [R4, "10.0.3.0/24", "R4-eth0", "10.0.4.3"],
        [R4, "10.0.5.0/24", "R4-eth0", "10.0.4.3"],
        [R3, "10.0.1.0/24", "R3-eth0", "10.0.3.1"],
        [R3, "10.0.2.0/24", "R3-eth0", "10.0.3.3"],
        [R3, "10.0.4.0/24", "R3-eth0", "10.0.3.3"],
        [R3, "10.0.6.0/24", "R3-eth0", "10.0.3.3"],
        [R5, "10.0.6.0/24", "R5-eth0", "10.0.4.2"],
        [R5, "10.0.2.0/24", "R5-eth0", "10.0.4.1"],
        [R5, "10.0.5.0/24", "R5-eth1", "10.0.3.2"],
        [R5, "10.0.1.0/24", "R5-eth1", "10.0.3.1"],
    ]

    for x in routersRouting:
        cmd = 'route add -net ' + x[1] + ' gw ' + x[3] + ' dev ' + x[2]
        # print cmd
        x[0].cmd(cmd)

    T1.cmd("ip rule add from 10.0.1.2 table 1")
    T1.cmd("ip rule add from 10.0.2.2 table 2")

    T1.cmd("ip route add 10.0.1.0/24 dev T1-eth0 scope link table 1")
    T1.cmd("ip route add default via 10.0.1.1 dev T1-eth0 table 1")

    T1.cmd("ip route add 10.0.2.0/24 dev T1-eth1 scope link table 2")
    T1.cmd("ip route add default via 10.0.2.1 dev T1-eth1 table 2")

    T2.cmd("ip rule add from 10.0.5.2 table 1")
    T2.cmd("ip rule add from 10.0.6.2 table 2")

    T2.cmd("ip route add 10.0.5.0/24 dev T2-eth0 scope link table 1")
    T2.cmd("ip route add default via 10.0.5.1 dev T2-eth0 table 1")

    T2.cmd("ip route add 10.0.6.0/24 dev T2-eth1 scope link table 2")
    T2.cmd("ip route add default via 10.0.6.1 dev T2-eth1 table 2")

    T2.cmd("ping -c2 10.0.1.2")
    T2.cmd("ping -c2 10.0.2.2")
    T1.cmd("ping -c2 10.0.5.2")
    T1.cmd("ping -c2 10.0.6.2")

    cli_cmd = "iperf -c 10.0.5.2"
    srv_cmd = "iperf -s"
    tcpdump_cmd = "tcpdump -i any -nv port 5001 -s0"
    srvNode = T2
    cliNode = T1
    termTc, popenTc = runX11(cliNode, "xterm -e " + tcpdump_cmd)
    time.sleep(2)
    termSr, popenSr = runX11(srvNode, "xterm -e " + srv_cmd)
    time.sleep(1)
    termCl, popenCl = runX11(cliNode, "xterm -e " + cli_cmd)
    # popenSr.
    popenCl.wait()
    time.sleep(1)
    popenSr.terminate()
    time.sleep(4)
    popenTc.terminate()
    # CLI(net)
    net.stop()
Exemple #5
0
s2.cmd(
    'ovs-vsctl -- set port core2-eth2 qos=@newqos -- --id=@newqos create qos type=linux-htb queues=0=@q0,1=@q1 -- \
--id=@q0 create queue other-config:min-rate=2000 other-config:max-rate=10000000 -- \
--id=@q1 create queue other-config:min-rate=1000000 other-config:max-rate=10000000'
)

## Set premium user flows in priority queue
add_premium_flow_qos = 'ovs-ofctl -OOpenFlow13 add-flow core2 \
priority=10,table=0,ip,ip_src={0},ip_dst={1},\
actions=set_queue:1,output:2'.format(h1.IP(), h3.IP())
print add_premium_flow_qos
s2.cmd(add_premium_flow_qos)

xterms = []
[tunnel, term] = runX11(
    h3,
    'vlc-wrapper --rtp-caching=1 rtp://@:5004  --meta-title="premium user:receiving video"'
)
xterms.append(term)
[tunnel, term] = runX11(
    h4,
    'vlc-wrapper --rtp-caching=1 rtp://@:5004  --meta-title="regular user:receiving video"'
)
xterms.append(term)

[term] = makeTerm(h5, title='UDP Noise Receiver', cmd="iperf -u -s -i 1")
print h5.IP()
xterms.append(term)
[term] = makeTerm(h2,
                  title='Udp Noise Sender: bash; iperf -u -c IP -b 5M -t 10')
xterms.append(term)
Exemple #6
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def myNetwork():

    net = Mininet(topo=None, build=False)

    info('*** Adding controller\n')
    info('*** Add switches\n')
    s1 = net.addSwitch('s1', cls=OVSKernelSwitch, failMode='standalone')
    s2 = net.addSwitch('s2', cls=OVSKernelSwitch, failMode='standalone')
    s3 = net.addSwitch('s3', cls=OVSKernelSwitch, failMode='standalone')

    info('*** Add hosts\n')
    h1 = net.addHost('h1', cls=Host)
    h2 = net.addHost('h2', cls=Host)

    info('*** Add links\n')
    linkProp1 = {'bw': 1, 'delay': '100ms'}
    linkProp2 = {'bw': 2, 'delay': '100ms'}
    linkProp3 = {'bw': 3, 'delay': '100ms'}
    net.addLink(h1, s1, cls=TCLink, **linkProp1)
    net.addLink(h1, s2, cls=TCLink, **linkProp2)
    net.addLink(h1, s3, cls=TCLink, **linkProp3)

    net.addLink(h2, s1, cls=TCLink, **linkProp1)
    net.addLink(h2, s2, cls=TCLink, **linkProp2)
    net.addLink(h2, s3, cls=TCLink, **linkProp3)

    info('*** Starting network\n')
    net.build()
    info('*** Starting controllers\n')
    for controller in net.controllers:
        controller.start()

    info('*** Starting switches\n')
    net.get('s1').start([])
    net.get('s2').start([])
    net.get('s3').start([])

    info('*** Post configure switches and hosts\n')

    h1.cmd("ifconfig h1-eth0 10.0.1.1 netmask 255.255.255.0")
    h1.cmd("ifconfig h1-eth1 192.168.2.1 netmask 255.255.255.0")
    h1.cmd("ifconfig h1-eth2 172.16.3.1 netmask 255.255.255.0")
    h2.cmd("ifconfig h2-eth0 10.0.1.2 netmask 255.255.255.0")
    h2.cmd("ifconfig h2-eth1 192.168.2.2 netmask 255.255.255.0")
    h2.cmd("ifconfig h2-eth2 172.16.3.2 netmask 255.255.255.0")

    # CLI(net)
    #     waitTime = 120
    #
    #     host = "h1"
    #     dtHdr = ""
    #     dtBdy = ""
    #     dtRes = ""
    #     for intf in xrange(3):
    #         dtHdr += "dt%d1=$(cat /sys/class/net/%s-eth%d/statistics/tx_bytes); \n"%(intf, host, intf)
    #         dtBdy += "dt%d=$(cat /sys/class/net/%s-eth%d/statistics/tx_bytes); "%(intf, host, intf) \
    #               + "dt%dr=$(echo $dt%d-$dt%d1|bc); dt%d1=$dt%d; \n" %(intf, intf, intf, intf, intf)
    #         dtRes += "$dt%dr $dt%d "%(intf, intf)
    #     getstatcmd = """
    #     %s
    #     sleep 1;
    #     tm0=$(date "+%%s");
    #     for x in `seq %d`;
    #         do tm=$(date "+%%s");
    #         tmr=$(echo $tm-$tm0|bc);
    #         %s
    #         echo $tmr $tm %s;
    #         sleep 1;
    #     done | tee /tmp/dt.csv
    #     """%(dtHdr, waitTime, dtBdy, dtRes)
    #     # print getstatcmd

    #     getstatcmd = "python ./dynamic_plot.py"
    #     for intf in xrange(3):
    #         getstatcmd += " %s-eth%d"%(host, intf)
    #
    #     server = "./goserver.sh 9876"
    #     client = "./goclient.sh 10.0.1.2 9876"
    #     primaryDown = "ifconfig h2-eth0 down"
    #     primaryUp = "ifconfig h2-eth0 up"

    server = "iperf -s"
    client = "iperf -c 10.0.1.2 -t 200"

    #     otherDown = "ifconfig h2-eth1 down; ifconfig h2-eth2 down"
    #     otherUp = "ifconfig h2-eth1 up; ifconfig h2-eth2 up"
    #     markAsBackup = "kill -USR1 `cat /tmp/tcpClient.pid`"
    #
    #     writeExe("/tmp/getstat", getstatcmd)
    #
    #     termSt, popenSt = runX11(h1, "xterm -e "+"/tmp/getstat")
    #     time.sleep(3)
    termSr, popenSr = runX11(h2, "xterm -e " + server)
    termCl, popenCl = runX11(h1, "xterm -e " + client)

    #     time.sleep(15)
    #     h1.cmd(markAsBackup)
    #     time.sleep(20)
    #     h2.cmd(primaryDown)
    #     time.sleep(20)
    #     h2.cmd(primaryUp)
    #     time.sleep(20)
    #     h2.cmd(otherDown)
    #     time.sleep(20)
    #     h2.cmd(otherUp)

    time.sleep(25)
    popenSt.terminate()
    popenCl.terminate()
    popenSr.terminate()

    net.stop()
Exemple #7
0
def myNetwork():

    net = Mininet(topo=None, build=False, ipBase='10.0.0.0/8')

    info('*** Adding controller\n')
    info('*** Add switches\n')
    s2 = net.addSwitch('s2', cls=OVSKernelSwitch, failMode='standalone')
    s1 = net.addSwitch('s1', cls=OVSKernelSwitch, failMode='standalone')
    s3 = net.addSwitch('s3', cls=OVSKernelSwitch, failMode='standalone')
    s4 = net.addSwitch('s4', cls=OVSKernelSwitch, failMode='standalone')

    info('*** Add hosts\n')
    h2 = net.addHost('h2', cls=Host, ip='10.0.0.2', defaultRoute=None)
    h6 = net.addHost('h6', cls=Host, ip='10.0.0.6', defaultRoute=None)
    h1 = net.addHost('h1', cls=Host, ip='10.0.0.1', defaultRoute=None)
    h4 = net.addHost('h4', cls=Host, ip='10.0.0.4', defaultRoute=None)
    h5 = net.addHost('h5', cls=Host, ip='10.0.0.5', defaultRoute=None)
    h3 = net.addHost('h3', cls=Host, ip='10.0.0.3', defaultRoute=None)

    info('*** Add links\n')
    hs = {'bw': 2, 'delay': '50ms'}
    net.addLink(h1, s1, cls=TCLink, **hs)
    net.addLink(h2, s1, cls=TCLink, **hs)
    net.addLink(h3, s2, cls=TCLink, **hs)
    net.addLink(h4, s2, cls=TCLink, **hs)
    net.addLink(h5, s3, cls=TCLink, **hs)
    net.addLink(h6, s3, cls=TCLink, **hs)
    ss = {'bw': 6, 'delay': '10ms'}
    net.addLink(s1, s4, cls=TCLink, **ss)
    net.addLink(s2, s4, cls=TCLink, **ss)
    net.addLink(s3, s4, cls=TCLink, **ss)

    info('*** Starting network\n')
    net.build()
    info('*** Starting controllers\n')
    for controller in net.controllers:
        controller.start()

    info('*** Starting switches\n')
    net.get('s2').start([])
    net.get('s1').start([])
    net.get('s3').start([])
    net.get('s4').start([])

    info('*** Post configure switches and hosts\n')
    server = "./server.sh"
    client1 = "./client.sh /home/viscous/Documents/f1/ 10.0.0.6"
    client2 = "./client.sh /home/viscous/Documents/f2/ 10.0.0.6"
    client3 = "./client.sh /home/viscous/Documents/f3/ 10.0.0.6"
    client4 = "./client.sh /home/viscous/Documents/f4/ 10.0.0.6"
    client5 = "./client.sh /home/viscous/Documents/f5/ 10.0.0.6"

    termSr, popenSr = runX11(h6, "xterm -e " + server)
    termCl1, popenCl1 = runX11(h1, "xterm -e " + client1)
    termCl2, popenCl2 = runX11(h2, "xterm -e " + client2)
    termCl3, popenCl3 = runX11(h3, "xterm -e " + client3)
    termCl4, popenCl4 = runX11(h4, "xterm -e " + client4)
    termCl5, popenCl5 = runX11(h5, "xterm -e " + client5)

    popenCl1.wait()
    popenCl2.wait()
    popenCl3.wait()
    popenCl4.wait()
    popenCl5.wait()
    time.sleep(5)
    popenSr.terminate()

    #     CLI(net)
    net.stop()