network_awareness.py 文件源码

def show_topology(self):
        if self.pre_link_to_port != self.link_to_port and setting.TOSHOW:
            # It means the link_to_port table has changed.
            _graph = self.graph.copy()
            print "\n---------------------Link Port---------------------"
            print '%6s' % ('switch'),
            for node in sorted([node for node in _graph.nodes()], key=lambda node: node):
                print '%6d' % node,
            print
            for node1 in sorted([node for node in _graph.nodes()], key=lambda node: node):
                print '%6d' % node1,
                for node2 in sorted([node for node in _graph.nodes()], key=lambda node: node):
                    if (node1, node2) in self.link_to_port.keys():
                        print '%6s' % str(self.link_to_port[(node1, node2)]),
                    else:
                        print '%6s' % '/',
                print
            print
            self.pre_link_to_port = self.link_to_port.copy()

        if self.pre_access_table != self.access_table and setting.TOSHOW:
            # It means the access_table has changed.
            print "\n----------------Access Host-------------------"
            print '%10s' % 'switch', '%10s' % 'port', '%22s' % 'Host'
            if not self.access_table.keys():
                print "    NO found host"
            else:
                for sw in sorted(self.access_table.keys()):
                    print '%10d' % sw[0], '%10d      ' % sw[1], self.access_table[sw]
            print
            self.pre_access_table = self.access_table.copy()

        # nx.draw(self.graph)
        # plt.savefig("/home/huangmc/exe/matplotlib/%d.png" % int(time.time()))