Python node.Host方法代碼示例

# 需要導入模塊: from mininet import node [as 別名]
# 或者: from mininet.node import Host [as 別名]
def network_ips(self) -> Dict[str, List[str]]:
        """Return all the addresses of the nodes connected directly or not
        to this node"""
        ips = {}  # type: Dict[str, List[str]]
        visited = set()  # type: Set[str]
        to_visit = [self]
        while to_visit:
            node = to_visit.pop()
            if node.name in visited:
                continue
            visited.add(node.name)
            if isinstance(node, (Host, IPNode)):
                for i in node.intfList():
                    for ip in list(i.ips()) \
                              + list(i.ip6s(exclude_lls=True)):
                        ips.setdefault(node.name, []).append(ip.ip.compressed)

            for i in realIntfList(node):
                adj_i = otherIntf(i)
                if adj_i is not None:
                    to_visit.append(adj_i.node)
        return ips 

# 需要導入模塊: from mininet import node [as 別名]
# 或者: from mininet.node import Host [as 別名]
def stop( self ):
        "Stop network."
        if self.net is not None:
            # Stop host details
            for widget in self.widgetToItem:
                name = widget[ 'text' ]
                tags = self.canvas.gettags( self.widgetToItem[ widget ] )
                if 'Host' in tags:
                    newHost = self.net.get(name)
                    opts = self.hostOpts[name]
                    # Run User Defined Stop Command
                    if 'stopCommand' in opts:
                        newHost.cmdPrint(opts['stopCommand'])
                if 'Switch' in tags:
                    newNode = self.net.get(name)
                    opts = self.switchOpts[name]
                    # Run User Defined Stop Command
                    if 'stopCommand' in opts:
                        newNode.cmdPrint(opts['stopCommand'])

            self.net.stop()
        cleanUpScreens()
        self.net = None 

# 需要導入模塊: from mininet import node [as 別名]
# 或者: from mininet.node import Host [as 別名]
def config(self, **params):
        r = super(Host, self).config(**params)

        self.defaultIntf().rename("eth0")

        for off in ["rx", "tx", "sg"]:
            cmd = "/sbin/ethtool --offload eth0 %s off" % off
            self.cmd(cmd)

        # disable IPv6
        self.cmd("sysctl -w net.ipv6.conf.all.disable_ipv6=1")
        self.cmd("sysctl -w net.ipv6.conf.default.disable_ipv6=1")
        self.cmd("sysctl -w net.ipv6.conf.lo.disable_ipv6=1")

        return r 

# 需要導入模塊: from mininet import node [as 別名]
# 或者: from mininet.node import Host [as 別名]
def isBroadcastDomainBoundary(node):
    return isinstance(node, Host) or isinstance(node, IPRouter) 

# 需要導入模塊: from mininet import node [as 別名]
# 或者: from mininet.node import Host [as 別名]
def addNode( self, node, nodeNum, x, y, name=None):
        "Add a new node to our canvas."
        if 'Switch' == node:
            self.switchCount += 1
        if 'Host' == node:
            self.hostCount += 1
        if 'Controller' == node:
            self.controllerCount += 1
        if name is None:
            name = self.nodePrefixes[ node ] + nodeNum
        self.addNamedNode(node, name, x, y) 

# 需要導入模塊: from mininet import node [as 別名]
# 或者: from mininet.node import Host [as 別名]
def findItem( self, x, y ):
        "Find items at a location in our canvas."
        items = self.canvas.find_overlapping( x, y, x, y )
        if len( items ) == 0:
            return None
        else:
            return items[ 0 ]

    # Canvas bindings for Select, Host, Switch and Link tools 

# 需要導入模塊: from mininet import node [as 別名]
# 或者: from mininet.node import Host [as 別名]
def clickHost( self, event ):
        "Add a new host to our canvas."
        self.newNode( 'Host', event ) 

# 需要導入模塊: from mininet import node [as 別名]
# 或者: from mininet.node import Host [as 別名]
def hostDetails( self, _ignore=None ):
        if ( self.selection is None or
             self.net is not None or
             self.selection not in self.itemToWidget ):
            return
        widget = self.itemToWidget[ self.selection ]
        name = widget[ 'text' ]
        tags = self.canvas.gettags( self.selection )
        if 'Host' not in tags:
            return

        prefDefaults = self.hostOpts[name]
        hostBox = HostDialog(self, title='Host Details', prefDefaults=prefDefaults)
        self.master.wait_window(hostBox.top)
        if hostBox.result:
            newHostOpts = {'nodeNum':self.hostOpts[name]['nodeNum']}
            newHostOpts['sched'] = hostBox.result['sched']
            if len(hostBox.result['startCommand']) > 0:
                newHostOpts['startCommand'] = hostBox.result['startCommand']
            if len(hostBox.result['stopCommand']) > 0:
                newHostOpts['stopCommand'] = hostBox.result['stopCommand']
            if len(hostBox.result['cpu']) > 0:
                newHostOpts['cpu'] = float(hostBox.result['cpu'])
            if len(hostBox.result['cores']) > 0:
                newHostOpts['cores'] = hostBox.result['cores']
            if len(hostBox.result['hostname']) > 0:
                newHostOpts['hostname'] = hostBox.result['hostname']
                name = hostBox.result['hostname']
                widget[ 'text' ] = name
            if len(hostBox.result['defaultRoute']) > 0:
                newHostOpts['defaultRoute'] = hostBox.result['defaultRoute']
            if len(hostBox.result['ip']) > 0:
                newHostOpts['ip'] = hostBox.result['ip']
            if len(hostBox.result['externalInterfaces']) > 0:
                newHostOpts['externalInterfaces'] = hostBox.result['externalInterfaces']
            if len(hostBox.result['vlanInterfaces']) > 0:
                newHostOpts['vlanInterfaces'] = hostBox.result['vlanInterfaces']
            if len(hostBox.result['privateDirectory']) > 0:
                newHostOpts['privateDirectory'] = hostBox.result['privateDirectory']
            self.hostOpts[name] = newHostOpts
            info( 'New host details for ' + name + ' = ' + str(newHostOpts), '\n' ) 

# 需要導入模塊: from mininet import node [as 別名]
# 或者: from mininet.node import Host [as 別名]
def xterm( self, _ignore=None ):
        "Make an xterm when a button is pressed."
        if ( self.selection is None or
             self.net is None or
             self.selection not in self.itemToWidget ):
            return
        name = self.itemToWidget[ self.selection ][ 'text' ]
        if name not in self.net.nameToNode:
            return
        term = makeTerm( self.net.nameToNode[ name ], 'Host', term=self.appPrefs['terminalType'] )
        if StrictVersion(MININET_VERSION) > StrictVersion('2.0'):
            self.net.terms += term
        else:
            self.net.terms.append(term) 

# 需要導入模塊: from mininet import node [as 別名]
# 或者: from mininet.node import Host [as 別名]
def __init__(self):
        "Create Fat tree Topology"

        Topo.__init__(self)

        #Add hosts
        h7 = self.addHost('h7', cls=Host, ip='10.0.0.7', defaultRoute=None)
        h8 = self.addHost('h8', cls=Host, ip='10.0.0.8', defaultRoute=None)
        h1 = self.addHost('h1', cls=Host, ip='10.0.0.1', defaultRoute=None)
        h2 = self.addHost('h2', cls=Host, ip='10.0.0.2', defaultRoute=None)
        h4 = self.addHost('h4', cls=Host, ip='10.0.0.4', defaultRoute=None)
        h3 = self.addHost('h3', cls=Host, ip='10.0.0.3', defaultRoute=None)
        h5 = self.addHost('h5', cls=Host, ip='10.0.0.5', defaultRoute=None)
        h6 = self.addHost('h6', cls=Host, ip='10.0.0.6', defaultRoute=None)

        #Add switches
        s10 = self.addSwitch('s10', cls=OVSKernelSwitch)
        s3 = self.addSwitch('s3', cls=OVSKernelSwitch)
        s17 = self.addSwitch('s17', cls=OVSKernelSwitch)
        s4 = self.addSwitch('s4', cls=OVSKernelSwitch)
        s18 = self.addSwitch('s18', cls=OVSKernelSwitch)
        s1 = self.addSwitch('s1', cls=OVSKernelSwitch)
        s11 = self.addSwitch('s11', cls=OVSKernelSwitch)
        s21 = self.addSwitch('s21', cls=OVSKernelSwitch)
        s22 = self.addSwitch('s22', cls=OVSKernelSwitch)
        s2 = self.addSwitch('s2', cls=OVSKernelSwitch)

        #Add links
        self.addLink(h1, s1)
        self.addLink(h2, s1)
        self.addLink(h3, s2)
        self.addLink(h4, s2)
        self.addLink(h5, s3)
        self.addLink(h6, s3)
        self.addLink(h7, s4)
        self.addLink(h8, s4)
        self.addLink(s1, s21)
        self.addLink(s21, s2)
        self.addLink(s1, s10)
        self.addLink(s2, s10)
        self.addLink(s3, s11)
        self.addLink(s4, s22)
        self.addLink(s11, s4)
        self.addLink(s3, s22)
        self.addLink(s21, s17)
        self.addLink(s11, s17)
        self.addLink(s10, s18)
        self.addLink(s22, s18) 

# 需要導入模塊: from mininet import node [as 別名]
# 或者: from mininet.node import Host [as 別名]
def myNetwork():

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

    info( '*** Adding controller\n' )
    c0=net.addController(name='c0',
                      controller=RemoteController,
                      ip='127.0.0.1',
                      protocol='tcp',
                      port=6653)

    info( '*** Add switches\n')
    s2 = net.addSwitch('s2', cls=OVSKernelSwitch)
    s1 = net.addSwitch('s1', cls=OVSKernelSwitch)
    s5 = net.addSwitch('s5', cls=OVSKernelSwitch, failMode='standalone')

    info( '*** Add hosts\n')
    h2 = net.addHost('h2', cls=Host, ip='10.0.0.2', 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)
    h3 = net.addHost('h3', cls=Host, ip='10.0.0.3', defaultRoute=None)

    info( '*** Add links\n')
    s1s2 = {'bw':400,'loss':0}
    net.addLink(s1, s2, cls=TCLink , **s1s2)
    s2h1 = {'bw':1000,'loss':10,'max_queue_size':10,'speedup':40}
    net.addLink(s2, h1, cls=TCLink , **s2h1)
    s2h2 = {'bw':120,'loss':0}
    net.addLink(s2, h2, cls=TCLink , **s2h2)
    s2h3 = {'bw':400,'loss':20}
    net.addLink(s2, h3, cls=TCLink , **s2h3)
    s1s5 = {'bw':200,'delay':'12','loss':10}
    net.addLink(s1, s5, cls=TCLink , **s1s5)
    s5h4 = {'bw':100,'loss':50}
    net.addLink(s5, h4, cls=TCLink , **s5h4)

    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([c0])
    net.get('s1').start([c0])
    net.get('s5').start([])

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

    CLI(net)
    net.stop() 

# 需要導入模塊: from mininet import node [as 別名]
# 或者: from mininet.node import Host [as 別名]
def myNetwork():

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

    info( '*** Adding controller\n' )
    c0=net.addController(name='c0',
                      controller=RemoteController,
                      ip='127.0.0.1',
                      protocol='tcp',
                      port=6653)

    info( '*** Add switches\n')
    s2 = net.addSwitch('s2', cls=OVSKernelSwitch)
    s1 = net.addSwitch('s1', cls=IVSSwitch)

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

    info( '*** Add links\n')
    s1s2 = {'bw':400,'loss':0}
    net.addLink(s1, s2, cls=TCLink , **s1s2)
    s2h1 = {'bw':1000,'loss':10,'max_queue_size':10,'speedup':40}
    net.addLink(s2, h1, cls=TCLink , **s2h1)
    s2h2 = {'bw':120,'loss':0}
    net.addLink(s2, h2, cls=TCLink , **s2h2)
    s2h3 = {'bw':400,'loss':20}
    net.addLink(s2, h3, cls=TCLink , **s2h3)

    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([c0])
    net.get('s1').start([c0])

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

    CLI(net)
    net.stop()