#!/usr/bin/python
"""
Example to create a Mininet topology and connect it to the internet via NAT
"""
from mininet.cli import CLI
from mininet.log import lg
from mininet.topolib import TreeNet
if __name__ == '__main__':
lg.setLogLevel( 'info')
net = TreeNet( depth=1, fanout=4 )
# Add NAT connectivity
net.addNAT().configDefault()
net.start()
print "*** Hosts are running and should have internet connectivity"
print "*** Type 'exit' or control-D to shut down network"
CLI( net )
# Shut down NAT
net.stop()
experiment = raw_input("Input experiment title: ")
fanout_num = int(raw_input("Indicate number of hosts: "))
# Creating folder
foldername = '/home/fastflux/experiments/{}/'.format(experiment)
print(foldername)
if not os.path.exists(os.path.dirname(foldername)):
try:
os.makedirs(os.path.dirname(foldername))
except OSError as exc:
if exc.errno != errno.EEXIST:
raise
setLogLevel('info')
# Number of hosts = fanout^depth
# Number of switches = fanout + 1
network = TreeNet(depth=1, fanout=fanout_num, switch=OVSSwitch)
network.addNAT().configDefault()
network.start()
# Wait for tcpdump before starting
#print('Do tcpdump now....')
# network.mn.terms += makeTerms([h1], term = term)
#network.terms += makeTerm(h1)
time.sleep(60)
scriptit(experiment, fanout_num)
CLI(network)
network.stop()
def main():
lg.setLogLevel('info')
net = TreeNet(depth=2, fanout=4)
# Add NAT connectivity
net.addNAT().configDefault()
net.start()
h1 = net.get('h1')
h2 = net.get('h2')
h3 = net.get('h3')
h4 = net.get('h4')
h5 = net.get('h5')
h6 = net.get('h6')
h7 = net.get('h7')
h8 = net.get('h8')
h9 = net.get('h9')
h10 = net.get('h10')
h11 = net.get('h11')
h12 = net.get('h12')
h13 = net.get('h13')
h14 = net.get('h14')
h15 = net.get('h15')
h16 = net.get('h16')
p1 = h1.popen('node ../server/server.js %s & ' % h1.IP())
p16 = h16.popen('node ../server/server.js %s & ' % h16.IP())
sleep(2)
p2 = h2.popen('python3 ../mininet/test_company.py 1 %s &' % h1.IP())
p3 = h3.popen('python3 ../mininet/test_company.py 2 %s &' % h1.IP())
p4 = h4.popen('python3 ../mininet/test_company.py 3 %s &' % h1.IP())
p5 = h5.popen('python3 ../mininet/test_company.py 4 %s &' % h1.IP())
p6 = h6.popen('python3 ../mininet/test_company.py 5 %s &' % h16.IP())
p7 = h7.popen('python3 ../mininet/test_company.py 6 %s &' % h16.IP())
p8 = h8.popen('python3 ../mininet/test_company.py 7 %s &' % h1.IP())
p9 = h9.popen('python3 ../mininet/test_company.py 8 %s &' % h1.IP())
p10 = h10.popen('python3 ../mininet/test_company.py 9 %s &' % h1.IP())
p11 = h11.popen('python3 ../mininet/test_company.py 10 %s &' % h16.IP())
p12 = h12.popen('python3 ../mininet/test_company.py 11 %s &' % h16.IP())
p13 = h13.popen('python3 ../mininet/test_company.py 12 %s &' % h16.IP())
p14 = h14.popen('python3 ../mininet/test_company.py 13 %s &' % h16.IP())
p15 = h15.popen('python3 ../mininet/test_company.py 14 %s &' % h16.IP())
process2 = {h2: p2}
process3 = {h3: p3}
process4 = {h4: p4}
process5 = {h5: p5}
process6 = {h6: p6}
process7 = {h7: p7}
process8 = {h8: p8}
process9 = {h9: p9}
process10 = {h10: p10}
process11 = {h11: p11}
process12 = {h12: p12}
process13 = {h13: p13}
process14 = {h14: p14}
process15 = {h15: p15}
printToConsole(process2)
p2.terminate()
printToConsole(process3)
p3.terminate()
printToConsole(process4)
p4.terminate()
printToConsole(process5)
p5.terminate()
printToConsole(process6)
p6.terminate()
printToConsole(process7)
p7.terminate()
printToConsole(process8)
p8.terminate()
printToConsole(process9)
p9.terminate()
printToConsole(process10)
p10.terminate()
printToConsole(process11)
p11.terminate()
printToConsole(process12)
p12.terminate()
printToConsole(process13)
p13.terminate()
printToConsole(process14)
p14.terminate()
printToConsole(process15)
p15.terminate()
p1.terminate()
p16.terminate()
net.stop()
def emulated_web(parsed_objects='./parsed-objects', url_list='./url_list'):
'''
parsed_objects: a directory storing objects under 'hostname' subfolder
url_list: each line is a url to visit
'''
hosts = []
objects_for_hosts_dict = {}
source_files = {}
# get hostnames and hostname:objects pairs in dict
for i, (root, folders, files) in enumerate(os.walk(parsed_objects)):
if i == 0:
hosts = folders
else:
objects_for_hosts_dict[hosts[i - 1]] = files
source_files[root] = files
# print(hosts, objects_for_hosts_dict)
# list servable-content
if not os.path.exists("./servable-content/"):
os.mkdir("./servable-content/") # make dir
for host, objects_list in objects_for_hosts_dict.iteritems():
with open("./servable-content/" + host, "w+") as f:
for i in objects_list:
f.write(i + '\n') # each line contains one object
# to simply the topo, use default method of tree structure with one level, n leaves
server_num = len(hosts)
host_server_match = {}
for i in range(server_num):
host_server_match['h' + str(i + 2)] = hosts[i]
# one client as 'h1', with server_num of servers fron 'h2' to 'hn'
net = TreeNet(depth=1, fanout=server_num + 1)
# Add NAT connectivity
net.addNAT().configDefault()
net.start()
# test this net
dumpNodeConnections(net.hosts) # see connectivity
print(net.pingAll()) # ping to test connectivity
# set up simple http server
for num, host in host_server_match.iteritems():
print(str(os.path.join(parsed_objects, host)))
net.get(num).cmd('cd %s' % str(os.path.join(parsed_objects, host)))
net.get(num).cmd('python -m SimpleHTTPServer 80 &')
# test each server http
client = net.get('h1')
time.sleep(2) # magic, don't delete, otherwise wget doesn't work
for num, host in host_server_match.iteritems():
# test for LAN
# print(client.cmd('ping -c1 %s' % net.get(num).IP()))
print(client.cmd('ping -c1 8.8.8.8'))
# test for real
print(client.cmd('wget -o - %s' % net.get(num).IP()))
# print(client.cmd('wget -o - http://www.google.com'))
time.sleep(1) # magic, don't delete, otherwise wget doesn't work
if not os.path.exists("./get-responses/"):
os.mkdir("./get-responses/") # make dir
pass # not finished here
