def main():
# parameters
Sim.scheduler.reset()
Sim.set_debug("Node")
# setup network
net = Network("test2network.txt")
for hostname, node in sorted(net.nodes.iteritems()):
node.add_protocol(protocol="dvrouting", handler=RoutingApp(node))
n3 = net.get_node("n3")
n3.add_protocol(protocol="delay", handler=DelayHandler())
p = Packet(destination_address=n3.get_address("n2"),
ident=1,
protocol="delay",
length=1000)
n2 = net.get_node("n2")
Sim.scheduler.add(delay=1.2, event=p, handler=n2.send_packet)
Sim.scheduler.add(delay=1.6, event=None, handler=n2.get_link("n3").down)
Sim.scheduler.add(delay=1.6, event=None, handler=n3.get_link("n2").down)
p = Packet(destination_address=n3.get_address("n2"),
ident=2,
protocol="delay",
length=1000)
Sim.scheduler.add(delay=6.6, event=p, handler=n2.send_packet)
# run the simulation
Sim.scheduler.run()
def Setup(self):
#Create the ground
self.world.CreateStaticBody(position=(0, -10),
shapes=b2PolygonShape(box=(10000, 10)))
#Make some walkers
self.walkerList = []
for i in range(learningSettings.groupSize):
self.walkerList.append(
Walker(self.world, (i * 10, 0),
learningSettings.useSimpleWalkers))
#Make a population of agents
if (learningSettings.loadPopulation):
self.population = Population.loadFromFile(
learningSettings.populationFile)
#Reduce the number of agents to the best performing ones
self.population.pruneToTopAgents(learningSettings.groupSize)
else:
jointCount = len(self.walkerList[0].jointList)
sampleNetwork = Network(jointCount + 2, jointCount, [jointCount])
self.population = Population(learningSettings.walkerCount,
sampleNetwork)
#If we need it, setup an environment for speciation
if (learningSettings.selectionCriteria == selection.SPECIATION):
self.environment = speciation.Environment()
self.environment.generateAllFood(self.walkerList[0],
learningSettings.foodCount,
learningSettings.foodUses,
learningSettings.foodEnergy)
def main():
# parameters
Sim.scheduler.reset()
# setup network
net = Network('threenodes2.txt')
# setup routes
node_a = net.get_node('A')
node_b = net.get_node('B')
node_c = net.get_node('C')
node_a.add_forwarding_entry(address=node_b.get_address('A'),
link=node_a.links[0])
node_b.add_forwarding_entry(address=node_c.get_address('B'),
link=node_b.links[0])
# setup app
d = DelayHandler()
net.nodes['A'].add_protocol(protocol='delay', handler=d)
net.nodes['B'].add_protocol(protocol='delay', handler=d)
net.nodes['C'].add_protocol(protocol='delay', handler=d)
# send one packet
for i in range(1000):
p = Packet(destination_address=node_c.get_address('B'),
ident=i,
protocol='delay',
length=1000)
Sim.scheduler.add(delay=i * .008, event=p, handler=node_a.send_packet)
# run the simulation
Sim.scheduler.run()
def part2(config):
Sim.scheduler.reset()
# setup network
net = Network(config)
# setup routes
n1 = net.get_node('n1')
n2 = net.get_node('n2')
n3 = net.get_node('n3')
n1.add_forwarding_entry(address=n2.get_address('n1'), link=n1.links[0])
n1.add_forwarding_entry(address=n3.get_address('n2'), link=n1.links[0])
n2.add_forwarding_entry(address=n3.get_address('n2'), link=n2.links[1])
# setup app
d = DelayHandler()
net.nodes['n2'].add_protocol(protocol="delay", handler=d)
net.nodes['n3'].add_protocol(protocol='delay', handler=d)
# send one packet
for i in range(0,1000):
Sim.scheduler.add(delay=i * 0.03125,
event = Packet(destination_address=n3.get_address('n2'), ident=i, protocol='delay', length=1000),
handler=n1.send_packet
)
# p1 = Packet(destination_address=n2.get_address('n1'), ident=1, protocol='delay', length=1000)
# Sim.scheduler.add(delay=0, event=p1, handler=n1.send_packet)
# run the simulation
Sim.scheduler.run()
def main():
d = DelayHandler()
for i in range(1, 4):
Sim.scheduler.reset()
net = Network('./threenodes' + str(i) + '.txt')
n1 = net.get_node('n1')
n2 = net.get_node('n2')
n3 = net.get_node('n3')
n1.add_forwarding_entry(address=n2.get_address('n1'), link=n1.links[0])
n1.add_forwarding_entry(address=n3.get_address('n2'), link=n1.links[0])
n2.add_forwarding_entry(address=n3.get_address('n2'), link=n2.links[1])
net.nodes['n3'].add_protocol(protocol="delay", handler=d)
n1_transmission_delay = 8000.0 / n1.links[0].bandwidth
for j in range(0, 1001):
protocol = None
if (j > 995):
protocol = 'delay'
packet = Packet(destination_address=n3.get_address('n2'), ident=j, protocol=protocol, length=1000)
delay = j * n1_transmission_delay
Sim.scheduler.add(delay=delay, event=packet, handler=n1.send_packet)
Sim.scheduler.run()
print("\n")
def main():
# parameters
Sim.scheduler.reset()
# setup network
net = Network('../networks/one-hop.txt')
# setup routes
n1 = net.get_node('n1')
n2 = net.get_node('n2')
n1.add_forwarding_entry(address=n2.get_address('n1'), link=n1.links[0])
n2.add_forwarding_entry(address=n1.get_address('n2'), link=n2.links[0])
# setup app
d = DelayHandler()
net.nodes['n2'].add_protocol(protocol="delay", handler=d)
# setup packet generator
destination = n2.get_address('n1')
max_rate = 1000000 // (1000 * 8)
load = 0.8 * max_rate
g = Generator(node=n1, destination=destination, load=load, duration=10)
Sim.scheduler.add(delay=0, event='generate', handler=g.handle)
# run the simulation
Sim.scheduler.run()
def part1_2():
# parameters
Sim.scheduler.reset()
# setup network
net = Network('../networks/lab1/2nodes-2.txt')
# setup routes
n1 = net.get_node('n1')
n2 = net.get_node('n2')
n1.add_forwarding_entry(address=n2.get_address('n1'), link=n1.links[0])
n2.add_forwarding_entry(address=n1.get_address('n2'), link=n2.links[0])
# setup app
d = DelayHandler()
net.nodes['n2'].add_protocol(protocol="delay", handler=d)
# send one packet
p = Packet(destination_address=n2.get_address('n1'),
ident=1,
protocol='delay',
length=1000)
Sim.scheduler.add(delay=0, event=p, handler=n1.send_packet)
# run the simulation
Sim.scheduler.run()
def main():
# parameters
Sim.scheduler.reset()
Sim.set_debug(True)
# setup network
net = Network('../networks/five-nodes.txt')
# get nodes
n1 = net.get_node('n1')
n2 = net.get_node('n2')
n3 = net.get_node('n3')
n4 = net.get_node('n4')
n5 = net.get_node('n5')
# setup broadcast application
b1 = BroadcastApp(n1)
n1.add_protocol(protocol="broadcast", handler=b1)
b2 = BroadcastApp(n2)
n2.add_protocol(protocol="broadcast", handler=b2)
b3 = BroadcastApp(n3)
n3.add_protocol(protocol="broadcast", handler=b3)
b4 = BroadcastApp(n4)
n4.add_protocol(protocol="broadcast", handler=b4)
b5 = BroadcastApp(n5)
n5.add_protocol(protocol="broadcast", handler=b5)
# send a broadcast packet from 1 with TTL 2, so everyone should get it
p = Packet(source_address=n1.get_address('n2'),
destination_address=0,
ident=1,
ttl=2,
protocol='broadcast',
length=100)
Sim.scheduler.add(delay=0, event=p, handler=n1.send_packet)
# send a broadcast packet from 1 with TTL 1, so just nodes 2 and 3
# should get it
p = Packet(source_address=n1.get_address('n2'),
destination_address=0,
ident=2,
ttl=1,
protocol='broadcast',
length=100)
print("this is an address of n2", n1.get_address('n3'))
Sim.scheduler.add(delay=1, event=p, handler=n1.send_packet)
# send a broadcast packet from 3 with TTL 1, so just nodes 1, 4, and 5
# should get it
p = Packet(source_address=n3.get_address('n1'),
destination_address=0,
ident=3,
ttl=1,
protocol='broadcast',
length=100)
Sim.scheduler.add(delay=2, event=p, handler=n3.send_packet)
# run the simulation
Sim.scheduler.run()
def run_five_nodes_line():
network = Network('./networks/five-nodes-line.txt')
n1 = network.get_node('n1')
n2 = network.get_node('n2')
n3 = network.get_node('n3')
n4 = network.get_node('n4')
n5 = network.get_node('n5')
run([n1, n2, n3, n4, n5])
def setup_network(config_path):
Sim.scheduler.reset()
network = Network(config_path)
n1 = network.get_node('n1')
n2 = network.get_node('n2')
n1.add_forwarding_entry(address=n2.get_address('n1'), link=n1.links[0])
n2.add_forwarding_entry(address=n1.get_address('n2'), link=n2.links[0])
return network, n1, n2
def main():
# parameters
Sim.scheduler.reset()
Sim.set_debug("Node")
# setup network
net = Network("test3network.txt")
for hostname, node in sorted(net.nodes.iteritems()):
node.add_protocol(protocol="dvrouting", handler=RoutingApp(node))
n7 = net.get_node("n7")
n7.add_protocol(protocol="delay", handler=DelayHandler())
n10 = net.get_node("n10")
n10.add_protocol(protocol="delay", handler=DelayHandler())
n15 = net.get_node("n15")
n15.add_protocol(protocol="delay", handler=DelayHandler())
n8 = net.get_node("n8")
n11 = net.get_node("n11")
n12 = net.get_node("n12")
p1 = Packet(destination_address=n7.get_address("n6"),
ident=1,
protocol="delay",
length=1000)
Sim.scheduler.add(delay=4.2, event=p1, handler=n12.send_packet)
p3 = Packet(destination_address=n15.get_address("n14"),
ident=2,
protocol="delay",
length=1000)
Sim.scheduler.add(delay=4.3, event=p3, handler=n11.send_packet)
p2 = Packet(destination_address=n10.get_address("n1"),
ident=3,
protocol="delay",
length=1000)
Sim.scheduler.add(delay=4.4, event=p2, handler=n8.send_packet)
n2 = net.get_node("n2")
Sim.scheduler.add(delay=4.8, event=None, handler=n2.get_link("n8").down)
Sim.scheduler.add(delay=4.8, event=None, handler=n8.get_link("n2").down)
p4 = Packet(destination_address=n10.get_address("n1"),
ident=4,
protocol="delay",
length=1000)
Sim.scheduler.add(delay=10.4, event=p4, handler=n8.send_packet)
Sim.scheduler.add(delay=10.8, event=None, handler=n2.get_link("n8").up)
Sim.scheduler.add(delay=10.8, event=None, handler=n8.get_link("n2").up)
p5 = Packet(destination_address=n10.get_address("n1"),
ident=5,
protocol="delay",
length=1000)
Sim.scheduler.add(delay=16.4, event=p5, handler=n8.send_packet)
# run the simulation
Sim.scheduler.run()
def run(self):
drop_packets = [14000, 26000, 28000]
Sim.set_debug('Plot')
# setup network
net = Network('basic.txt')
# setup routes
n1 = net.get_node('n1')
n2 = net.get_node('n2')
n1.add_forwarding_entry(address=n2.get_address('n1'), link=n1.links[0])
n2.add_forwarding_entry(address=n1.get_address('n2'), link=n2.links[0])
# setup transport
t1 = Transport(n1)
t2 = Transport(n2)
plotter = Plotter()
for i in range(0, 4):
application = AppHandler(self.filename)
Sim.scheduler.reset()
Sim.files = {}
# setup connection
c1 = TCP(t1,
n1.get_address('n2'),
1,
n2.get_address('n1'),
1,
application,
fast_retransmit=True,
drop=drop_packets[:i])
TCP(t2,
n2.get_address('n1'),
1,
n1.get_address('n2'),
1,
application,
fast_retransmit=True)
# send a file
with open(self.filename, 'rb') as f:
while True:
data = f.read()
if not data:
break
Sim.scheduler.add(delay=0, event=data, handler=c1.send)
Sim.scheduler.run()
for filename, file in Sim.files.iteritems():
file.close()
plotter.sequence("sequence" + str(i + 1) + ".png")
plotter.cwnd("cwnd" + str(i + 1) + ".png")
self.diff()
def run(self):
# parameters
Sim.scheduler.reset()
Sim.set_debug('AppHandler')
Sim.set_debug('TCP')
Sim.set_debug('Plot')
# setup network
net = Network('./networks/one-hop.txt')
net.loss(self.loss)
# setup routes
n1 = net.get_node('n1')
n2 = net.get_node('n2')
n1.add_forwarding_entry(address=n2.get_address('n1'), link=n1.links[0])
n2.add_forwarding_entry(address=n1.get_address('n2'), link=n2.links[0])
# setup transport
t1 = Transport(n1)
t2 = Transport(n2)
# setup application
a = AppHandler(self.filename)
# setup connection
c1 = TCP(t1,
n1.get_address('n2'),
1,
n2.get_address('n1'),
1,
a,
window=self.window,
drop=self.drops)
c2 = TCP(t2,
n2.get_address('n1'),
1,
n1.get_address('n2'),
1,
a,
window=self.window,
drop=self.drops)
# setup fast retransmit
if self.fast_retransmit:
c1.set_fast_retransmit_enabled(True)
c2.set_fast_retransmit_enabled(True)
# send a file
with open(self.filename, 'rb') as f:
while True:
data = f.read(1000)
if not data:
break
Sim.scheduler.add(delay=0, event=data, handler=c1.send)
# run the simulation
Sim.scheduler.run()
def setup_network(config_path):
Sim.scheduler.reset()
network = Network(config_path)
n1 = network.get_node('n1')
n2 = network.get_node('n2')
n1.add_forwarding_entry(address=n2.get_address('n1'), link=n1.links[0])
n2.add_forwarding_entry(address=n1.get_address('n2'), link=n2.links[0])
delay_handler = DelayHandler()
network.nodes['n2'].add_protocol(protocol='delay', handler=delay_handler)
return n1, n2
def main():
# parameters
Sim.scheduler.reset()
# setup network
#net = Network('./networks/five-nodes-line.txt')
#net = Network('./networks/five-nodes-ring.txt')
net = Network('./networks/fifteen-nodes.txt')
# Setup broadcast protocol for all nodes in the network
packet_count = 1
for k, n in net.nodes.iteritems():
b = BroadcastApp(n)
ph = PacketHandler(k)
n.add_protocol(protocol="broadcast", handler=b)
n.add_protocol(protocol="transmit", handler=ph)
n.init_routing()
pbody = {
"hostname": n.hostname,
"dv": n.get_distance_vector()
}
p = Packet(
destination_address=0,
ident=packet_count, ttl=1, protocol='broadcast', body=pbody)
Sim.scheduler.add(delay=0, event=p, handler=n.send_packet)
packet_count = packet_count + 1
# Send a packet after everything has been setup
n1 = net.get_node('n1')
n4 = net.get_node('n4')
n5 = net.get_node('n5')
daddr = 5
p = Packet(destination_address=daddr, ident=2, protocol='transmit', length=1000)
Sim.scheduler.add(delay=5, event=p, handler=n1.send_packet)
if True:
# Take a link down (between n5 and n1)
Sim.scheduler.add(delay=10, event=None, handler=net.get_link(daddr-1).down)
Sim.scheduler.add(delay=10, event=None, handler=net.get_link(daddr-1).down)
# Send a packet
p = Packet(destination_address=daddr, ident=3, protocol='transmit', length=1000)
Sim.scheduler.add(delay=20, event=p, handler=n1.send_packet)
# Bring the link back up
Sim.scheduler.add(delay=30, event=None, handler=net.get_link(daddr-1).up)
Sim.scheduler.add(delay=30, event=None, handler=net.get_link(daddr-1).up)
# Send a packet
p = Packet(destination_address=daddr, ident=2, protocol='transmit', length=1000)
Sim.scheduler.add(delay=40, event=p, handler=n1.send_packet)
# run the simulation
Sim.scheduler.run()
def run(self):
# parameters
Sim.scheduler.reset()
# setup network
net = Network('experiment.txt')
net.loss(self.loss)
# setup routes
n1 = net.get_node('n1')
n2 = net.get_node('n2')
n1.add_forwarding_entry(address=n2.get_address('n1'), link=n1.links[0])
n2.add_forwarding_entry(address=n1.get_address('n2'), link=n2.links[0])
# setup transport
t1 = Transport(n1)
t2 = Transport(n2)
# setup application
a = AppHandler(self.filename)
# setup connection
c1 = TCP(t1,
n1.get_address('n2'),
1,
n2.get_address('n1'),
1,
a,
window=self.window,
fast_retransmit=self.fast_retransmit,
measure=True)
TCP(t2,
n2.get_address('n1'),
1,
n1.get_address('n2'),
1,
a,
window=self.window,
fast_retransmit=self.fast_retransmit,
measure=True)
# send a file
with open(self.filename, 'rb') as f:
while True:
data = f.read()
if not data:
break
Sim.scheduler.add(delay=0, event=data, handler=c1.send)
Sim.scheduler.run()
result_file = open("results.txt", "r")
results = result_file.read()
result_file.close()
f = open("experiment.csv", "a")
f.write(str(self.window) + "," + results + "\n")
def run(self, janela, perda, fila, fast):
self.filename = fila
loss = perda
Sim.trace('Trans', "It is %s that I am using fast transmit." % (fast))
# parameters
Sim.scheduler.reset()
Sim.set_debug('AppHandler')
Sim.set_debug('TCP')
Sim.set_debug('Trans')
# setup network
net = Network('./network.txt')
net.loss(loss)
# setup routes
n1 = net.get_node('n1')
n2 = net.get_node('n2')
net.set_queue(n1.links[0], "100")
net.set_queue(n2.links[0], "100")
n1.add_forwarding_entry(address=n2.get_address('n1'), link=n1.links[0])
n2.add_forwarding_entry(address=n1.get_address('n2'), link=n2.links[0])
# setup transport
t1 = Transport(n1)
t2 = Transport(n2)
# setup application
a = AppHandler(self.filename)
# setup connection
c1 = TCP(t1, n1.get_address('n2'), 1, n2.get_address('n1'), 1, a,
janela, fast)
c2 = TCP(t2, n2.get_address('n1'), 1, n1.get_address('n2'), 1, a,
janela, fast)
# send a file
with open(self.filename, 'rb') as f:
while True:
data = f.read(1000)
if not data:
break
Sim.scheduler.add(delay=0, event=data, handler=c1.send)
# run the simulation
Sim.scheduler.run()
self.diff()
self.filename = None
return Sim.scheduler.current_time()
def run(self):
# parameters
Sim.scheduler.reset()
Sim.set_debug('AppHandler')
Sim.set_debug('TCP')
# setup network
net = Network('network.txt')
net.loss(self.loss)
# setup routes
n1 = net.get_node('n1')
n2 = net.get_node('n2')
n1.add_forwarding_entry(address=n2.get_address('n1'), link=n1.links[0])
n2.add_forwarding_entry(address=n1.get_address('n2'), link=n2.links[0])
# setup transport
t1 = Transport(n1)
t2 = Transport(n2)
# setup application
a = AppHandler(self.filename)
# setup connection
c1 = TCP(t1,
n1.get_address('n2'),
1,
n2.get_address('n1'),
1,
a,
window=self.window,
fast_retransmit=self.fast_retransmit)
c2 = TCP(t2,
n2.get_address('n1'),
1,
n1.get_address('n2'),
1,
a,
window=self.window,
fast_retransmit=self.fast_retransmit)
# send a file
with open(self.filename, 'rb') as f:
while True:
data = f.read(10000)
if not data:
break
Sim.scheduler.add(delay=0, event=data, handler=c1.send)
# run the simulation
Sim.scheduler.run()
if self.print_queueing_delay:
print('average queueing delay: {}'.format(
c2.total_queueing_delay / c2.total_packets_received))
def setupNetwork():
# parameters
Sim.scheduler.reset()
# setup network
net = Network('../networks/3.txt')
# setup routes
n1 = net.get_node('n1')
n2 = net.get_node('n2')
n1.add_forwarding_entry(address=n2.get_address('n1'), link=n1.links[0])
n2.add_forwarding_entry(address=n1.get_address('n2'), link=n2.links[0])
return n1, n2, net
def run(self):
# parameters
Sim.scheduler.reset()
Sim.set_debug('AppHandler')
Sim.set_debug('TCP')
Sim.set_debug('Plot')
# setup network
net = Network('basic.txt')
net.loss(self.loss)
# setup routes
n1 = net.get_node('n1')
n2 = net.get_node('n2')
n1.add_forwarding_entry(address=n2.get_address('n1'), link=n1.links[0])
n2.add_forwarding_entry(address=n1.get_address('n2'), link=n2.links[0])
# setup transport
t1 = Transport(n1)
t2 = Transport(n2)
# setup application
a = AppHandler(self.filename)
# setup connection
c1 = TCP(t1,
n1.get_address('n2'),
1,
n2.get_address('n1'),
1,
a,
window=self.window)
TCP(t2,
n2.get_address('n1'),
1,
n1.get_address('n2'),
1,
a,
window=self.window)
# send a file
with open(self.filename, 'rb') as f:
while True:
data = f.read()
if not data:
break
Sim.scheduler.add(delay=0, event=data, handler=c1.send)
Sim.scheduler.run()
def setupNetwork(path):
# parameters
Sim.scheduler.reset()
# setup network
net = Network(path)
# setup routes
n1 = net.get_node('n1')
n2 = net.get_node('n2')
n1.add_forwarding_entry(address=n2.get_address('n1'), link=n1.links[0])
n2.add_forwarding_entry(address=n1.get_address('n2'), link=n2.links[0])
# setup app
d = DelayHandler()
net.nodes['n2'].add_protocol(protocol="delay", handler=d)
return n1, n2, net
def main():
# parameters
Sim.scheduler.reset()
# setup network
net = Network('../networks/one-hop.txt')
# setup routes
n1 = net.get_node('n1')
n2 = net.get_node('n2')
n1.add_forwarding_entry(address=n2.get_address('n1'), link=n1.links[0])
n2.add_forwarding_entry(address=n1.get_address('n2'), link=n2.links[0])
# setup app
d = DelayHandler()
net.nodes['n2'].add_protocol(protocol="delay", handler=d)
# send one packet
p = Packet(destination_address=n2.get_address('n1'),
ident=1,
protocol='delay',
length=1000)
Sim.scheduler.add(delay=0, event=p, handler=n1.send_packet)
# take the link down
Sim.scheduler.add(delay=1, event=None, handler=n1.get_link('n2').down)
# send one packet (it won't go through)
p = Packet(destination_address=n2.get_address('n1'),
ident=1,
protocol='delay',
length=1000)
Sim.scheduler.add(delay=1.1, event=p, handler=n1.send_packet)
# bring the link up
Sim.scheduler.add(delay=2, event=None, handler=n1.get_link('n2').up)
# send one packet (and now it goes through)
p = Packet(destination_address=n2.get_address('n1'),
ident=1,
protocol='delay',
length=1000)
Sim.scheduler.add(delay=2.1, event=p, handler=n1.send_packet)
# run the simulation
Sim.scheduler.run()
def run_fifteen_nodes():
network = Network('./networks/fifteen-nodes.txt')
n1 = network.get_node('n1')
n2 = network.get_node('n2')
n3 = network.get_node('n3')
n4 = network.get_node('n4')
n5 = network.get_node('n5')
n6 = network.get_node('n6')
n7 = network.get_node('n7')
n8 = network.get_node('n8')
n9 = network.get_node('n9')
n10 = network.get_node('n10')
n11 = network.get_node('n11')
n12 = network.get_node('n12')
n13 = network.get_node('n13')
n14 = network.get_node('n14')
n15 = network.get_node('n15')
run([n1, n2, n3, n4, n5, n6, n7, n8, n9, n10, n11, n12, n13, n14, n15])
def exp3():
# parameters
Sim.scheduler.reset()
Sim.set_debug(True)
# setup network
net = Network('../networks/l4e3.txt')
# get nodes
n1 = net.get_node('n1')
n2 = net.get_node('n2')
n3 = net.get_node('n3')
n4 = net.get_node('n4')
n5 = net.get_node('n5')
n6 = net.get_node('n6')
n7 = net.get_node('n7')
n8 = net.get_node('n8')
n9 = net.get_node('n9')
n10 = net.get_node('n10')
n11 = net.get_node('n11')
n12 = net.get_node('n12')
n13 = net.get_node('n13')
n14 = net.get_node('n14')
n15 = net.get_node('n15')
# setup broadcast application
p_setup(n1)
p_setup(n2)
p_setup(n3)
p_setup(n4)
p_setup(n5)
p_setup(n6)
p_setup(n7)
p_setup(n8)
p_setup(n9)
p_setup(n10)
p_setup(n11)
p_setup(n12)
p_setup(n13)
p_setup(n14)
p_setup(n15)
# run the simulation
Sim.scheduler.run()
def part3(load):
Sim.scheduler.reset()
net = Network('../networks/one-hop.txt')
n1 = net.get_node('n1')
n2 = net.get_node('n2')
n1.add_forwarding_entry(address=n2.get_address('n1'), link=n1.links[0])
n2.add_forwarding_entry(address=n1.get_address('n2'), link=n2.links[0])
d = DelayHandler()
net.nodes['n2'].add_protocol(protocol="delay", handler=d)
destination = n2.get_address('n1')
max_rate = 1000000 // (1000 * 8)
load = load * max_rate
g = Generator(node=n1, destination=destination, load=load, duration=60)
Sim.scheduler.add(delay=0, event='generate', handler=g.handle)
Sim.scheduler.run()
def main():
# parameters
Sim.scheduler.reset()
# setup network
net = Network('twonodes3.txt')
# setup routes
n1 = net.get_node('n1')
n2 = net.get_node('n2')
n1.add_forwarding_entry(address=n2.get_address('n1'), link=n1.links[0])
n2.add_forwarding_entry(address=n1.get_address('n2'), link=n2.links[0])
# setup app
d = DelayHandler()
net.nodes['n2'].add_protocol(protocol="delay", handler=d)
# send one packet
p1 = Packet(destination_address=n2.get_address('n1'),
ident=1,
protocol='delay',
length=1000)
Sim.scheduler.add(delay=0, event=p1, handler=n1.send_packet)
p2 = Packet(destination_address=n2.get_address('n1'),
ident=2,
protocol='delay',
length=1000)
Sim.scheduler.add(delay=0, event=p2, handler=n1.send_packet)
p3 = Packet(destination_address=n2.get_address('n1'),
ident=3,
protocol='delay',
length=1000)
Sim.scheduler.add(delay=0, event=p3, handler=n1.send_packet)
p4 = Packet(destination_address=n2.get_address('n1'),
ident=4,
protocol='delay',
length=1000)
Sim.scheduler.add(delay=2, event=p4, handler=n1.send_packet)
# run the simulation
Sim.scheduler.run()
def main():
global f
# setup network
net = Network('./queuetest.txt')
# setup routes
n1 = net.get_node('n1')
n2 = net.get_node('n2')
n1.add_forwarding_entry(address=n2.get_address('n1'), link=n1.links[0])
n2.add_forwarding_entry(address=n1.get_address('n2'), link=n2.links[0])
# setup app
d = DelayHandler()
net.nodes['n2'].add_protocol(protocol="delay", handler=d)
duration = 30
timer = 0
for i in range(0, len(network_loads)):
# parameters
Sim.scheduler.reset()
# setup packet generator
destination = n2.get_address('n1')
max_rate = 1000000 // (1000 * 8)
load = network_loads[i] * max_rate
g = Generator(node=n1,
destination=destination,
load=load,
duration=duration)
Sim.scheduler.add(delay=0, event='generate', handler=g.handle)
f = open("queueingtest" + str(i + 1) + ".csv", "w")
# run the simulation
Sim.scheduler.run()
timer += duration
f.close()
def part2_1():
# parameters
Sim.scheduler.reset()
# setup network
net = Network('../networks/lab1/3nodes-1.txt')
# setup routes
n1 = net.get_node('n1')
n2 = net.get_node('n2')
n3 = net.get_node('n3')
n1.add_forwarding_entry(address=n3.get_address('n1'), link=n1.links[0])
n1.add_forwarding_entry(address=n3.get_address('n2'), link=n1.links[0])
n2.add_forwarding_entry(address=n3.get_address('n2'), link=n2.links[0])
# setup app
d2 = ForwardHandler()
net.nodes['n2'].add_protocol(protocol="delay", handler=d2)
d3 = DelayHandler()
net.nodes['n3'].add_protocol(protocol="delay", handler=d3)
# send one packet
p1 = Packet(destination_address=n3.get_address('n2'),
ident=1,
protocol='delay',
length=1000)
Sim.scheduler.add(delay=0, event=p1, handler=n1.send_packet)
# p2 = Packet(destination_address=n2.get_address('n1'), ident=2, protocol='delay', length=1000)
# Sim.scheduler.add(delay=0, event=p2, handler=n1.send_packet)
# p3 = Packet(destination_address=n2.get_address('n1'), ident=3, protocol='delay', length=1000)
# Sim.scheduler.add(delay=0, event=p3, handler=n1.send_packet)
# p4 = Packet(destination_address=n2.get_address('n1'), ident=4, protocol='delay', length=1000)
# Sim.scheduler.add(delay=2, event=p4, handler=n1.send_packet)
# run the simulation
Sim.scheduler.run()
def main():
# parameters
Sim.scheduler.reset()
Sim.set_debug("Node")
# setup network
net = Network("test1network.txt")
for hostname, node in sorted(net.nodes.iteritems()):
node.add_protocol(protocol="dvrouting", handler=RoutingApp(node))
n5 = net.get_node("n5")
n5.add_protocol(protocol="delay", handler=DelayHandler())
p = Packet(destination_address=n5.get_address("n4"),
ident=1,
protocol="delay",
length=1000)
n1 = net.get_node("n1")
Sim.scheduler.add(delay=3.2, event=p, handler=n1.send_packet)
# run the simulation
Sim.scheduler.run()
def main():
d = DelayHandler()
for i in range(1, 4):
print("SIMULATION NO. " + str(i))
Sim.scheduler.reset()
net = Network('./twonodes' + str(i) + '.txt')
n1 = net.get_node('n1')
n2 = net.get_node('n2')
n1.add_forwarding_entry(address=n2.get_address('n1'), link=n1.links[0])
n2.add_forwarding_entry(address=n1.get_address('n2'), link=n2.links[0])
net.nodes['n2'].add_protocol(protocol="delay", handler=d)
if (i == 3):
for j in range(0, 4):
packet = Packet(destination_address=n2.get_address('n1'),
ident=j,
protocol='delay',
length=1000)
if j == 3:
delay = 2
else:
delay = 0
Sim.scheduler.add(delay=delay,
event=packet,
handler=n1.send_packet)
else:
packet = Packet(destination_address=n2.get_address('n1'),
ident=0,
protocol='delay',
length=1000)
Sim.scheduler.add(delay=0, event=packet, handler=n1.send_packet)
Sim.scheduler.run()
