def __init__(self, *args, **kwargs):
super(L2Forwarding, self).__init__(*args, **kwargs)
# Load the topology
topo_file = 'topology.txt'
self.G = load_topology(topo_file)
# For each node in the graph, add an attribute mac-to-port
# for n in self.G.nodes():
# self.G.add_node(n, mactoport={})
self.mac_to_port = {}
self.counter = 0
# Compute a Spanning Tree for the graph G
self.ST = compute_spanning_tree(self.G)
print "Regular..."
print self.get_str_topo(self.G)
print "NX Lib Spanning..."
print self.get_str_topo(self.ST)
# my_compute_spanning_tree(self.G)
min_spanning_tree = get_my_spanning_tree(self.G)
print "My Spanning!"
print self.get_str_topo(min_spanning_tree)
self.MY_ST = min_spanning_tree
def __init__(self, *args, **kwargs):
super(L2Forwarding, self).__init__(*args, **kwargs)
# Load the topology
topo_file = 'topology.txt'
self.G = load_topology(topo_file)
# For each node in the graph, add an attribute mac-to-port
for n in self.G.nodes():
self.G.add_node(n, mactoport={})
def __init__(self, *args, **kwargs):
super(L2Forwarding, self).__init__(*args, **kwargs)
# Load the topology
topo_file = 'topology.txt'
self.G = load_topology(topo_file)
# For each node in the graph, add an attribute mac-to-port
for n in self.G.nodes():
self.G.add_node(n, mactoport={})
# Compute a Spanning Tree for the graph G
self.ST = compute_spanning_tree(self.G)
print self.get_str_topo(self.G)
print self.get_str_topo(self.ST)
def __init__(self):
Topo.__init__(self)
self.read_config('config/config')
self.topology_graph = load_topology(Topology.FILENAME + '.graphml')
self.link_table = {}
self.switch_table = Set()
self.mylinks = []
self.myswitches = {}
for v in self.topology_graph.vertices():
#node_name = self.topology_graph.vertex_properties['name'][v]
print 'switch id:', v, ' dpid: ', self.dpid(v)
current_sw_name = self.switch_name(v)
if v not in self.switch_table:
self.myswitches[int(v)] = self.addSwitch(
current_sw_name, dpid=self.dpid(v), protocols='OpenFlow13')
self.switch_table.add(v)
self.add_neighbor_switch(v)
self.add_neighbor_link(v)
# Creating links between switches and hosts_tab
for switch_id in G:
port_from = G.node[switch_id]['ports']['host']
print 'Add Link s' + str(switch_id) + '(' + str(
port_from) + ')->(?)' + 'h' + str(switch_id)
net.addLink(node1='s' + str(switch_id),
node2='h' + str(switch_id),
port1=port_from)
print "*** Creating remote controller"
c1 = net.addController('c1', controller=RemoteController, port=6633)
print "*** Starting network"
net.build()
c1.start()
for s in switches_tab:
s.start([c1])
return net
if __name__ == '__main__':
G = load_topology('topology.txt')
net = createMininetNetwork(G)
print "*** Running CLI"
CLI(net)
def lab0_topology():
G = load_topology('topology.txt')
net = createMininetNetwork(G)
return net