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Python Topo.links方法代码示例

本文整理汇总了Python中mininet.topo.Topo.links方法的典型用法代码示例。如果您正苦于以下问题:Python Topo.links方法的具体用法?Python Topo.links怎么用?Python Topo.links使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在mininet.topo.Topo的用法示例。


在下文中一共展示了Topo.links方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: MininetWrapper

# 需要导入模块: from mininet.topo import Topo [as 别名]
# 或者: from mininet.topo.Topo import links [as 别名]
class MininetWrapper(object):

    def __init__(self):
        self.mininet_client = None
        self.topology = []
        self.delay = None

    def set_delay(self, delay):
        delay = str(int(delay)) + 'ms'
        self.delay = delay

    def run_mininet(self, topology_string):
        """ Create and run multiple link network
        """
        self.topo_client = Topo()
        hosts = set()
        switches = set()

        relations = re.sub(r's', '', topology_string)
        relations = [i.split(':') for i in relations.split(',')
                     if 'h' not in i]
        relations = [[int(y) - 1 for y in x] for x in relations]
        builtin.log(relations, 'DEBUG')

        verticles_count = len(set(list(itertools.chain(*relations))))
        builtin.log(self.topology, 'DEBUG')

        for i in xrange(verticles_count):
            temp = []
            for j in xrange(verticles_count):
                temp.append(-1)
            self.topology.append(temp[:])

        builtin.log(self.topology, 'DEBUG')

        for i in relations:
            self.topology[i[0]][i[1]] = 1
            self.topology[i[1]][i[0]] = 1
        builtin.log(self.topology, 'DEBUG')

        for v1, v2 in [x.split(':') for x in str(topology_string).split(',')]:
            if 'h' in v1 and v1 not in hosts:
                self.topo_client.addHost(v1)
                hosts.add(v1)
            if 'h' in v2 and v2 not in hosts:
                self.topo_client.addHost(v2)
                hosts.add(v2)
            if 's' in v1 and v1 not in switches:
                self.topo_client.addSwitch(v1)
                switches.add(v1)
            if 's' in v2 and v2 not in switches:
                self.topo_client.addSwitch(v2)
                switches.add(v2)
            if self.delay:
                self.topo_client.addLink(v1, v2, delay=self.delay)
            else:
                self.topo_client.addLink(v1, v2)

        self.mininet_client = Mininet(switch=user_switch,
                                      controller=remote_controller,
                                      topo=self.topo_client, link=TCLink)
        self.mininet_client.start()
        builtin.log('Links info:')
        for link in self.topo_client.links(withKeys=True, withInfo=True):
            builtin.log(link)

        # self.mininet_client.waitConnected(timeout=20)
        sleep(20)

    def stop_mininet(self):
        if self.mininet_client is not None:
            self.mininet_client.stop()
        if self.topology:
            self.topology = []
        self.delay = None
        cleanup()
        sleep(20)

    def kill_link(self, host1, host2):
        host1, host2 = str(host1), str(host2)
        self.mininet_client.configLinkStatus(host1, host2, 'down')

        if 'h' not in host1 and 'h' not in host2:
            num_1 = int(host1[1:]) - 1
            num_2 = int(host2[1:]) - 1
            self.topology[num_1][num_2] = -1
            self.topology[num_2][num_1] = -1

        builtin.log(self.topology, 'DEBUG')
        builtin.log('Down link {0} - {1}'.format(host1, host2),
                    'DEBUG')

    def check_link(self, host1, host2):
        switch = self.mininet_client.getNodeByName(host1)
        connections = switch.connectionsTo(host2)
        if connections:
            return True
        else:
            return False

#.........这里部分代码省略.........
开发者ID:michaelsenin,项目名称:odl-test-framework,代码行数:103,代码来源:MininetWrapper.py


注:本文中的mininet.topo.Topo.links方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。