def test_to_mininet(self):
t = fnss.Topology()
t.add_path([1, 2, 3, 4])
for n in (1, 4):
t.node[n]['type'] = 'host'
for n in (2, 3):
t.node[n]['type'] = 'switch'
fnss.set_capacities_constant(t, 10, 'Mbps')
fnss.set_delays_constant(t, 10, 'ms')
mn_topo = fnss.to_mininet(t, relabel_nodes=False)
self.assertIsNotNone(mn_topo)
hosts = mn_topo.hosts()
switches = mn_topo.switches()
for h in '1', '4':
self.assertIn(h, hosts)
for s in '2', '3':
self.assertIn(s, switches)
mn_topo = fnss.to_mininet(t, relabel_nodes=True)
# Relabeling should be:
# 1 -> h1
# 2 -> s1
# 3 -> s2
# 4 -> h2
self.assertIsNotNone(mn_topo)
hosts = mn_topo.hosts()
switches = mn_topo.switches()
for h in 'h1', 'h2':
self.assertIn(h, hosts)
for s in 's1', 's2':
self.assertIn(s, switches)
def test_to_mininet(self):
t = fnss.Topology()
t.add_path([1, 2, 3, 4])
for n in (1, 4):
t.node[n]['type'] = 'host'
for n in (2, 3):
t.node[n]['type'] = 'switch'
fnss.set_capacities_constant(t, 10, 'Mbps')
fnss.set_delays_constant(t, 10, 'ms')
mn_topo = fnss.to_mininet(t, relabel_nodes=False)
self.assertIsNotNone(mn_topo)
hosts = mn_topo.hosts()
switches = mn_topo.switches()
for h in '1', '4':
self.assertIn(h, hosts)
for s in '2', '3':
self.assertIn(s, switches)
mn_topo = fnss.to_mininet(t, relabel_nodes=True)
# Relabeling should be:
# 1 -> h1
# 2 -> s1
# 3 -> s2
# 4 -> h2
self.assertIsNotNone(mn_topo)
hosts = mn_topo.hosts()
switches = mn_topo.switches()
for h in 'h1', 'h2':
self.assertIn(h, hosts)
for s in 's1', 's2':
self.assertIn(s, switches)
def test_to_mininet(self):
t = fnss.Topology()
t.add_path([1, 2, 3, 4])
for n in (1, 4):
t.node[n]['type'] = 'host'
for n in (2, 3):
t.node[n]['type'] = 'switch'
fnss.set_capacities_constant(t, 10, 'Mbps')
fnss.set_delays_constant(t, 10, 'ms')
mn_topo = fnss.to_mininet(t)
self.assertIsNotNone(mn_topo)
hosts = mn_topo.hosts()
switches = mn_topo.switches()
for h in '1', '4':
self.assertIn(h, hosts)
for s in '2', '3':
self.assertIn(s, switches)
def main():
G = nx.Graph()
G = nx.read_gpickle("mendocino.gpickle")
fnss_topo = from_autonetkit(G)
node_types = nx.get_node_attributes(fnss_topo, 'type')
hosts = []
switches = []
for node in fnss_topo.nodes():
nodetype = G.node[node]['type']
if nodetype == 'cpe':
hosts.append(node)
else:
switches.append(node)
mn_topo = fnss.to_mininet(fnss_topo,
switches=switches,
hosts=hosts,
relabel_nodes=True)
net = Mininet(topo=mn_topo, link=TCLink, controller=None)
c0 = net.addController(name='c0',
controller=RemoteController,
ip='127.0.0.1',
protocol='tcp',
port=6653)
net.start()
# Dump host connections
dumpNodeConnections(net.hosts)
# Test network connectivity
#net.pingAll()
# Test bandwidth between nodes
#h1, h8 = net.get('h1', 'h8')
#net.iperf((h1, h8))
# Stop Mininet
CLI(net)
net.stop()
def main(n):
# generate_topo(n)
topo = fnss.read_topology('topo_'+'ft'+'.xml') # return fnss.Topology
# plot_topo(topo,'ft')
# addition_for_pl(topo)
mn_topo = fnss.to_mininet(topo,relabel_nodes=True)
# add_hosts_for_pl(topo,mn_topo)
net = Mininet(topo=mn_topo,
link=TCLink,
switch=CustomSwitch,
controller=None,
cleanup=True)
net.addController( controller=RemoteController,
ip=CONTROLLER_IP,
port=CONTROLLER_PORT)
net.start()
CLI(net)
net.stop()
def topology():
fnss_topology = fnss.parse_topology_zoo('AttMpls.gml')
#fnss.two_tier_topology(1, 2, 2)
"Create a network with some docker containers acting as hosts."
# Set link attributes
# https://fnss.github.io/doc/core/apidoc/fnss.functions.html
#fnss.set_capacities_constant(fnss_topology, 10, 'Mbps')
#fnss.set_delays_constant(fnss_topology, 2, 'ms')
#fnss.set_buffer_sizes_constant(fnss_topology, 50, 'packets')
fnss.set_delays_geo_distance(fnss_topology,
specific_delay=fnss.PROPAGATION_DELAY_FIBER)
mn_topo = fnss.to_mininet(fnss_topology, relabel_nodes=True)
for node in mn_topo.hosts():
mn_topo.setNodeInfo(
node, {
"dcmd": ["/bin/bash", "/ndn-entrypoint.sh"],
"dimage": "ndnrepo_ndn:latest",
"privileged": True,
"cls": Docker
})
#mn_topo.setNodeInfo(node, "privileged", True )
#mn_topo.setNodeInfo(node, "dimage", "ndnrepo_ndn:latest" )
#node.dcmd=["/bin/bash", "/ndn-entrypoint.sh"]
# = Docker('{0}'.format(node), ip='10.0.0.{0}'.format(node), , privileged=True, dimage="ndnrepo_ndn:latest")
#node.type='host'
#print node
#nodes.append(node)
net = NDNContainernet(topo=mn_topo, link=TCLink, controller=Controller)
dumpNodeConnections(net.hosts)
dumpNodeConnections(net.switches)
fnss_topology.edges()
info('*** Starting network\n')
net.start()
embed()
#TODO Add NDN Links for all
#fnss_topology.edges()
#[(0, 1), (0, 2), (1, 3), (1, 4), (2, 5), (2, 6)]
#addNDNRoute(d1, d2)
#net = Containernet(controller=Controller)
info('*** Adding controller\n')
#net.addController('c0')
info('*** Adding docker containers\n')
#d1 = net.addDocker('d1', ip='10.0.0.251', dcmd=["/bin/bash", "/ndn-entrypoint.sh"], privileged=True, dimage="ndnrepo_ndn:latest")
#d2 = net.addDocker('d2', ip='10.0.0.250', dcmd=["/bin/bash", "/ndn-entrypoint.sh"], privileged=True, dimage="ndnrepo_ndn:latest")
#s1 = net.addSwitch('s1')
info('*** Creating links\n')
#net.addLink(d1, s1)
#net.addLink(s1, d2)
time.sleep(5)
print addNDNRoute(d1, d2)
#TODO create file when inserting is done
while not (checkRepoNGInitDone(d1) and checkRepoNGInitDone(d2)):
time.sleep(5)
print listFilesInRepo(d1)
print listFilesInRepo(d2)
info('*** Running CLI\n')
dumpNodeConnections(net.hosts)
CLI(net)
info('*** Stopping network')
net.stop()
def get_fattree_topo(k):
fnss_topo = fnss.fat_tree_topology(k)
return fnss.to_mininet(fnss_topo)
from mininet.cli import CLI
from mininet.node import RemoteController
from mininet.node import OVSController
# Create FNSS topology -- FatTree with k = 4
fnss_topo = fnss.fat_tree_topology(k=4)
# Set link attributes 10Mbps bandwidth
fnss.set_capacities_constant(fnss_topo, 10, "Mbps")
# Set link delay to be 2ms
fnss.set_delays_constant(fnss_topo, 2, "ms")
# Set switch buffer to be 50 packets size
fnss.set_buffer_sizes_constant(fnss_topo, 50, "packets")
# Convert FNSS topology to Mininet
mn_topo = fnss.to_mininet(fnss_topo, relabel_nodes=True)
# Create a remote controller object in local host
RemoteCon = RemoteController("RemoteCon1", ip="127.0.0.1")
# Create a Mininet instance and start it
# Use TCLink to implement links enables Linux Traffic Container (TC) for rate
# limitation
net = Mininet(topo=mn_topo, link=TCLink, controller=RemoteCon)
net.start()
# Dump host connections
dumpNodeConnections(net.hosts)
# Start CommandLine Interface
CLI(net)
# Test network connectivity
# net.pingAll()
# Test bandwidth between nodes
from mininet.link import TCLink
from mininet.util import dumpNodeConnections
from mininet.log import setLogLevel
from mininet.cli import CLI
# Create FNSS topology. Let's create a simple datacenter topology
fnss_topo = fnss.two_tier_topology(n_core=2, n_edge=2, n_hosts=2)
# Set link attributes
fnss.set_capacities_constant(fnss_topo, 10, 'Mbps')
fnss.set_delays_constant(fnss_topo, 2, 'ms')
fnss.set_buffer_sizes_constant(fnss_topo, 50, 'packets')
# Convert FNSS topology to Mininet
mn_topo = fnss.to_mininet(fnss_topo)
# Create a Mininet instance and start it
# Using TCLink to implement links enables Linux Traffic Container (TC) for rate
# limitation
net = Mininet(topo=mn_topo, link=TCLink)
net.start()
# Dumping host connections
dumpNodeConnections(net.hosts)
# Test network connectivity
net.pingAll()
# Test bandwidth between nodes"
# h1, h4 = net.get('1', '4')
# Set nodes on bells to be hosts and nodes on bottleneck path to be switches.
# Differently from datacenter topologies, which already provide annotation of
# what nodes are hosts and switches, we need to explicitly tell which nodes
# are switches and which are hosts to deploy the topology in Mininet
hosts = left_nodes + right_nodes
switches = core_nodes
# Convert FNSS topology to Mininet
# If argument relabel_nodes is set to False, node labels are not changed when
# converting an FNSS topology to a Mininet one, except converting the type to
# string (e.g. 1 -> '1'). If relabel_nodes is set to True (default option)
# then nodes are label according to Mininet conventions, e.g. hosts are
# prepended an h (e.g. 1 -> 'h1') and switches are prepended an s
# (e.g. 2 -> 's2')
mn_topo = fnss.to_mininet(fnss_topo,
switches=switches,
hosts=hosts,
relabel_nodes=True)
# Create a Mininet instance and start it
# Use TCLink to implement links enables Linux Traffic Container (TC) for rate
# limitation
net = Mininet(topo=mn_topo, link=TCLink, controller=OVSController)
net.start()
# Dump host connections
dumpNodeConnections(net.hosts)
# Test network connectivity
net.pingAll()
# Test bandwidth between nodes
# Set nodes on bells to be hosts and nodes on bottleneck path to be switches.
# Differently from datacenter topologies, which already provide annotation of
# what nodes are hosts and switches, we need to explicitly tell which nodes
# are switches and which are hosts to deploy the topology in Mininet
hosts = left_nodes + right_nodes
switches = core_nodes
# Convert FNSS topology to Mininet
# If argument relabel_nodes is set to False, node labels are not changed when
# converting an FNSS topology to a Mininet one, except converting the type to
# string (e.g. 1 -> '1'). If relabel_nodes is set to True (default option)
# then nodes are label according to Mininet conventions, e.g. hosts are
# prepended an h (e.g. 1 -> 'h1') and switches are prepended an s
# (e.g. 2 -> 's2')
mn_topo = fnss.to_mininet(fnss_topo,
switches=switches,
hosts=hosts,
relabel_nodes=True)
# Create a Mininet instance and start it
# Use TCLink to implement links enables Linux Traffic Container (TC) for rate
# limitation
net = Mininet(topo=mn_topo, link=TCLink, controller=OVSController)
net.start()
# Dump host connections
dumpNodeConnections(net.hosts)
# Test network connectivity
net.pingAll()
# Test bandwidth between nodes
def build_topology():
# We use fat tree topology for datacenters
kval = 0
edgeLinkCapacity = [10, 'Mbps']
aggrLinkCapacity = [100,'Mbps']
coreLinkCapacity = [1, 'Gbps']
linkDelay = [10, 'ns']
# Get the value from the network.config file
lines = open('./network.config', 'r').readlines()
for line in lines:
val = line.split()
if val[0] == "K_VALUE":
kval = int(val[1])
elif val[0] == "EDGE_LINK_SPEED":
edgeLinkCapacity[0] = val[1]
edgeLinkCapacity[1] = val[2]
elif val[0] == "AGGR_LINK_SPEED":
aggrLinkCapacity[0] = val[1]
aggrLinkCapacity[1] = val[2]
elif val[0] == "CORE_LINK_SPEED":
coreLinkCapacity[0] = val[1]
coreLinkCapacity[1] = val[2]
elif val[0] == "LINK_DELAY":
linkDelay[0] = val[1]
linkDelay[1] = val[2]
if kval == 0:
print "ERROR: Wrong value of K for a fat tree topo, exiting"
sys.exit(0)
# Build the topology using fnss
topology = fnss.fat_tree_topology(kval)
# Get link types
link_types = nx.get_edge_attributes(topology, 'type')
edge_leaf_links = [link for link in link_types
if link_types[link] == 'edge_leaf']
aggregation_edge_links = [link for link in link_types
if link_types[link] == 'aggregation_edge']
core_edge_links = [link for link in link_types
if link_types[link] == 'core_edge']
# Set the link speeds
fnss.set_capacities_constant(topology, edgeLinkCapacity[0], edgeLinkCapacity[1], edge_leaf_links)
fnss.set_capacities_constant(topology, aggrLinkCapacity[0], aggrLinkCapacity[1], aggregation_edge_links)
fnss.set_capacities_constant(topology, coreLinkCapacity[0], coreLinkCapacity[1], core_edge_links)
# Set default weight of 1 to all links
fnss.set_weights_constant(topology, 1)
# Set link delay to be 10 ns
fnss.set_delays_constant(topology, linkDelay[0], linkDelay[1])
# Generate the topology.xml file
fnss.write_topology(topology, 'topology.xml')
# Create mininet topology from fnss with renaming to mininet format
mn_topo = fnss.to_mininet(topology, relabel_nodes=True)
net = Mininet(topo=mn_topo, link=TCLink, controller=None)
net.addController('floodlight', controller=RemoteController, ip="127.0.0.1", port=6653)
net.start()
# Dump host connections
dumpNodeConnections(net.hosts)
# Test network connectivity
net.pingAll()
# https://github.com/mininet/mininet/wiki/Introduction-to-Mininet#multipath-routing
fnss_topo = fnss.two_tier_topology(n_core=1, n_edge=2, n_hosts=2)
# Set link attributes
fnss.set_capacities_constant(fnss_topo, 10, 'Mbps')
fnss.set_delays_constant(fnss_topo, 2, 'ms')
fnss.set_buffer_sizes_constant(fnss_topo, 50, 'packets')
# Convert FNSS topology to Mininet
# If argument relabel_nodes is set to False, node labels are not changed when
# converting an FNSS topology to a Mininet one, except converting the type to
# string (e.g. 1 -> '1'). If relabel_nodes is set to True (default option)
# then nodes are label according to Mininet conventions, e.g. hosts are
# prepended an h (e.g. 1 -> 'h1') and switches are prepended an s
# (e.g. 2 -> 's2')
mn_topo = fnss.to_mininet(fnss_topo, relabel_nodes=True)
# Create a Mininet instance and start it
# Use TCLink to implement links enables Linux Traffic Container (TC) for rate
# limitation
net = Mininet(topo=mn_topo, link=TCLink, controller=RemoteController)
c1 = net.addController('c1',
controller=RemoteController,
ip='127.0.0.1',
port=6633)
net.start()
# Dump host connections
dumpNodeConnections(net.hosts)
# Test network connectivity
def get_fattree_topo(k):
fnss_topo = fnss.fat_tree_topology(k)
return fnss.to_mininet(fnss_topo)
