forked from mvneves/mremu
-
Notifications
You must be signed in to change notification settings - Fork 0
/
network.py
445 lines (372 loc) · 13.4 KB
/
network.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
from mininet.topo import Topo
from mininet.node import Controller, RemoteController, OVSKernelSwitch, CPULimitedHost, OVSController
from mininet.net import Mininet
from mininet.link import TCLink
from mininet.cli import CLI
from mininet.util import custom, irange
from mininet.log import setLogLevel, info, warn, error, debug
from mininet.topo import LinearTopo
from mininet.topolib import TreeTopo
from topology import FatTreeTopo, NonBlockingTopo, LinearMultipathTopo
from subprocess import Popen, PIPE
from argparse import ArgumentParser
import multiprocessing
from time import sleep
#from monitor.monitor import monitor_devs_ng
import os
import sys
import json
#from simulator import simulator
# Number of pods in Fat-Tree
K = 4
# Queue Size
QUEUE_SIZE = 100
# Link capacity (Mbps)
BW = 10
def ManagementNet(net, bw=BW, queue=100):
"Create an empty network and add nodes to it."
#link = custom(TCLink, bw=bw, max_queue_size=queue, delay="1ms")
link = custom(TCLink, bw=bw)
#if remoteController is True:
# controller = RemoteController
#else:
# controller = OVSController
#net = Mininet(host=host, link=link, switch=OVSKernelSwitch, controller=controller, autoSetMacs=True, autoStaticArp=False)
info('*** Adding second controller\n')
controller = net.addController('c1', controller=OVSController)
info('*** Adding management switch\n')
# Adding switches
print "mgnt0"
switch = net.addSwitch("mgnt0")
info('*** Creating links to hosts\n')
# Creating links to hosts
i = 1
for host in net.hosts:
print "linking %s to %s" % (host.name, switch.name)
link = net.addLink(host, switch)
host.setIP(("10.128.0.%s/9" % str(i)), intf=link.intf1)
i += 1
print ""
return controller, switch
def NonBlockingNet(k=4, bw=10, cpu=-1, queue=100):
''' Create a NonBlocking Net '''
topo = NonBlockingTopo(k)
host = custom(CPULimitedHost, cpu=cpu)
link = custom(TCLink, bw=bw, max_queue_size=queue)
#net = Mininet(topo, host=host, link=link, switch=OVSKernelSwitch, controller=RemoteController)
net = Mininet(topo, host=host, link=link, switch=OVSKernelSwitch, controller=OVSController, autoSetMacs=True, autoStaticArp=False)
return net
def FatTreeNet(k=4, bw=10, cpu=-1, queue=100):
''' Create a Fat-Tree network '''
info('*** Creating the topology')
topo = FatTreeTopo(k)
host = custom(CPULimitedHost, cpu=cpu)
link = custom(TCLink, bw=bw, max_queue_size=queue)
net = Mininet(topo, host=host, link=link, switch=OVSKernelSwitch,
controller=RemoteController, autoStaticArp=True)
return net
def LinearNet(n=2, m=4, bw=100, cpu=-1, queue=100):
''' Create a Linear network '''
info('*** Creating the topology')
topo = LinearMultipathTopo(n,m)
host = custom(CPULimitedHost, cpu=cpu)
link = custom(TCLink, bw=bw, max_queue_size=queue)
net = Mininet(topo, host=host, link=link, switch=OVSKernelSwitch,
controller=RemoteController)
return net
def RegularTreeNet(depth=4, fanout=2, bw=BW, cpu=-1, queue=100):
"Create an empty network and add nodes to it."
topo = TreeTopo(depth, fanout)
host = custom(CPULimitedHost, cpu=cpu)
link = custom(TCLink, bw=bw, max_queue_size=queue)
#net = Mininet(host=host, link=link, switch=OVSKernelSwitch, controller=RemoteController, autoSetMacs=True, autoStaticArp=False)
net = Mininet(topo, host=host, link=link, switch=OVSKernelSwitch, controller=OVSController, autoSetMacs=True, autoStaticArp=False)
return net
def SingleSwitchNet(numHosts=16, bw=BW, cpu=-1, queue=100, remoteController=False):
"Create an empty network and add nodes to it."
host = custom(CPULimitedHost, cpu=cpu)
#link = custom(TCLink, bw=bw, max_queue_size=queue, delay="1ms")
link = custom(TCLink, bw=bw)
if remoteController is True:
controller = RemoteController
else:
controller = OVSController
net = Mininet(host=host, link=link, switch=OVSKernelSwitch, controller=controller, autoSetMacs=True, autoStaticArp=False)
info('*** Adding controller\n')
net.addController( 'c0' )
info('*** Adding hosts\n')
allHosts = []
i = 1
info('*** Adding hosts\n')
# Adding hosts
for n in irange(1, numHosts):
print "h%s" % n
host = net.addHost("h%s" % n, ip=("10.0.0.%s/24" % str(i)))
i = i + 1
allHosts.append(host)
info('*** Adding switches\n')
i = 1
# Adding switches
print "s%s" % i
switch = net.addSwitch("s%s" % i)
info('*** Creating links to hosts\n')
# Creating links to hosts
for n in irange(0, numHosts-1):
host = allHosts[n]
print "linking %s to %s" % (host.name, switch.name)
net.addLink(host, switch)
print ""
return net
def SinglepathTreeNet(depth = 2, fanout = 4, bw=BW, cpu=-1, queue=100, remoteController=False):
"Create an empty network and add nodes to it."
host = custom(CPULimitedHost, cpu=cpu)
link = custom(TCLink, bw=bw, max_queue_size=queue)
if remoteController is True:
controller=RemoteController
else:
controller=OVSController
net = Mininet(host=host, link=link, switch=OVSKernelSwitch, controller=controller, autoSetMacs=True, autoStaticArp=False)
info( '*** Adding controller\n' )
net.addController( 'c0' )
info('*** Adding hosts\n')
switches = []
allHosts = []
i = 1
depth = 2
fanout = 4
# Adding hosts
for n in irange(1, pow(depth,fanout)):
print "h%s" % n
host = net.addHost("h%s" % n, ip=("10.0.0.%s/24" % str(i)))
i = i + 1
allHosts.append(host)
info('*** Adding switches\n')
i = 1
# Adding switches
rootSwitches = []
print "s%s" % i
switch = net.addSwitch("s%s" % i)
rootSwitches.append(switch)
i = i + 1
torSwitches = []
for n in irange(1, 4):
print "s%s" % i
switch = net.addSwitch("s%s" % i)
torSwitches.append(switch)
i = i + 1
info('*** Wiring up switches\n')
# Wiring up switches
i = 1
for switch in torSwitches:
for up in rootSwitches:
if i == 1:
bandwidth=bw#10
else:
bandwidth=bw
bandwidth=bw
i = i + 1
link = custom(TCLink, bw=bandwidth, max_queue_size=queue)
linkObj = net.addLink(up, switch, cls=link)
print "link=" + str(linkObj)
info('*** Creating links to hosts\n')
# Creating links to hosts
for n in irange(0, 3):
switch = torSwitches[n]
for m in irange(0, 3):
host = allHosts[(n*4)+m]
print "linking %s to %s" % (host.name, switch.name)
net.addLink(host, switch)
print ""
return net
def MultipathTreeNet(depth=2, fanout=4, bw=BW, cpu=-1, queue=100):
"Create an empty network and add nodes to it."
host = custom(CPULimitedHost, cpu=cpu)
link = custom(TCLink, bw=bw, max_queue_size=queue)
net = Mininet(host=host, link=link, switch=OVSKernelSwitch, controller=RemoteController, autoSetMacs=True, autoStaticArp=False)
info( '*** Adding controller\n' )
net.addController( 'c0' )
info( '*** Adding hosts\n' )
switches = []
allHosts = []
i = 1
# Adding hosts
for n in irange(1, pow(depth,fanout)):
print "h%s" % n
host = net.addHost("h%s" % n, ip=("10.0.0.%s/24" % str(i)))
i = i + 1
allHosts.append(host)
info( '*** Adding switches\n' )
i = 1
# Adding switches
rootSwitches = []
for n in irange(1, 2):
print "s%s" % i
switch = net.addSwitch("s%s" % i)
rootSwitches.append(switch)
i = i + 1
torSwitches = []
for n in irange(1, 4):
print "s%s" % i
switch = net.addSwitch("s%s" % i)
torSwitches.append(switch)
i = i + 1
info( '*** Wiring up switches\n' )
# Wiring up switches
i = 1
for switch in torSwitches:
for up in rootSwitches:
if i == 1:
bandwidth=bw#10
else:
bandwidth=bw
#bandwidth=50
i = i + 1
link = custom(TCLink, bw=bandwidth, max_queue_size=queue)
linkObj = net.addLink(up, switch, cls=link)
print "link=" + str(linkObj)
info( '*** Creating links to hosts\n' )
# Creating links to hosts
for n in irange(0, 3):
switch = torSwitches[n]
for m in irange(0, 3):
host = allHosts[(n*4)+m]
print "linking %s to %s" % (host.name, switch.name)
net.addLink(host, switch)
print ""
return net
def DumbbellNet(numSwitches=2, numHostsPerSwitch=8, L=1, bw=BW, cpu=-1, queue=100, remoteController=True):
"Create an empty network and add nodes to it."
host = custom(CPULimitedHost, cpu=cpu)
link = custom(TCLink, bw=bw, max_queue_size=queue)
if remoteController is True:
controller=RemoteController
else:
controller=OVSController
net = Mininet(host=host, link=link, switch=OVSKernelSwitch, controller=controller, autoSetMacs=True, autoStaticArp=False)
info('*** Adding controller\n')
if remoteController is True:
#net.addController('c0', ip='172.16.2.1', port=6633)
net.addController('c0', ip='127.0.0.1', port=6633)
else:
net.addController('c0')
info('*** Adding hosts\n')
switches = []
allHosts = []
i = 1
# Adding hosts
for n in irange(1, numSwitches):
# print "s%s" % n
# switch = net.addSwitch("s%s" % n)
# switches.append(switch)
hosts = []
for m in irange(1, numHostsPerSwitch):
print "s%sh%s" % (n, m)
host = net.addHost("s%sh%s" % (n, m), ip=("10.0.0.%s/24" % str(i)))
i = i + 1
hosts.append(host)
# net.addLink(host, switch)
allHosts.append(hosts)
info('*** Adding switches\n')
# Adding switches
for n in irange(1, numSwitches):
print "s%s" % n
switch = net.addSwitch("s%s" % n)
switches.append(switch)
info('*** Wiring up switches\n')
# Wiring up switches
i = 1
last = None
for switch in switches:
if last:
for l in irange(1, L):
# print "linking %s to %s" % (last.name, switch.name)
if i == 1:
bandwidth=10
else:
bandwidth=bw
bandwidth=bw
i = i + 1
link = custom(TCLink, bw=bandwidth, max_queue_size=queue)
linkObj = net.addLink(last, switch, cls=link)
print "link=" + str(linkObj)
last = switch
info('*** Creating links to hosts\n')
# Creating links to hosts
for n in irange(0, numSwitches-1):
switch = switches[n]
for host in allHosts[n]:
print "linking %s to %s" % (host.name, switch.name)
net.addLink(host, switch)
print ""
return net
def ShamrockNet(numSwitches=2, numHostsFirstSwitch=12, numHostsSecondSwitch=4, L=1, bw=BW, cpu=-1, queue=100, remoteController=True):
"Create an empty network and add nodes to it."
host = custom(CPULimitedHost, cpu=cpu)
link = custom(TCLink, bw=bw, max_queue_size=queue)
if remoteController is True:
controller=RemoteController
else:
controller=OVSController
net = Mininet(host=host, link=link, switch=OVSKernelSwitch, controller=controller, autoSetMacs=True, autoStaticArp=False)
info('*** Adding controller\n')
if remoteController is True:
#net.addController('c0', ip='172.16.2.1', port=6633)
net.addController('c0', ip='127.0.0.1', port=6633)
else:
net.addController('c0')
info('*** Adding hosts\n')
switches = []
allHosts = []
numSwitches = 2
i = 1
# Adding hosts
n = "1"
hosts = []
for m in irange(1, numHostsFirstSwitch):
print "s%sh%s" % (n, m)
host = net.addHost("s%sh%s" % (n, m), ip=("10.0.0.%s/24" % str(i)))
i = i + 1
hosts.append(host)
allHosts.append(hosts)
n = "2"
hosts = []
for m in irange(1, numHostsSecondSwitch):
print "s%sh%s" % (n, m)
host = net.addHost("s%sh%s" % (n, m), ip=("10.0.0.%s/24" % str(i)))
i = i + 1
hosts.append(host)
allHosts.append(hosts)
info('*** Adding switches\n')
# Adding switches
for n in irange(1, numSwitches):
print "s%s" % n
switch = net.addSwitch("s%s" % n)
switches.append(switch)
info('*** Wiring up switches\n')
# Wiring up switches
i = 1
last = None
for switch in switches:
if last:
for l in irange(1, L):
# print "linking %s to %s" % (last.name, switch.name)
# if i == 1:
# bandwidth=10
# else:
# bandwidth=bw
#bandwidth=bw
bandwidth=1000
i = i + 1
link = custom(TCLink, bw=bandwidth, max_queue_size=queue)
linkObj = net.addLink(last, switch, cls=link)
print "link=" + str(linkObj)
last = switch
info('*** Creating links to hosts\n')
# Creating links to hosts
for n in irange(0, numSwitches-1):
switch = switches[n]
for host in allHosts[n]:
print "linking %s to %s" % (host.name, switch.name)
net.addLink(host, switch)
print ""
return net