-
Notifications
You must be signed in to change notification settings - Fork 2
/
Copy pathfog_agent8.py
420 lines (387 loc) · 14.2 KB
/
fog_agent8.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
#!/usr/bin/python
import sys
import os
import time
import subprocess
import requests
import socket
import select
config_dir = r'config_8'
output_dir = r'result'
result_log = ''
out_path = ''
sim = -1
cpu = []
ram = []
hdd = []
bw = 10
overload_node = 1
offloading_node = 1
offloading_node_sdn = 1
# mode are NoSDN, SDN, SDNQoS
mode = 'SDN'
overload_node = 1
numPing = 3
communication_time = 0.0
calculation_time = 0.0
delivery_time = 0.0
cpu_total = 100
ram_total = 1000
bw_total = 100
numHost = 8
cpu_weight = 1.0
ram_weight = 1.0
bw_weight = 1.0 # just used for SDN
hop_weight = 1.0 # used for SDN
def PingTest():
listIP = []
for i in range(1, 9):
ip = '10.0.0.' + str(i)
listIP.append(ip)
listDelay = []
for i in range(len(listIP)): # ping
os.system(
'ping -c ' +
str(numPing) +
' ' +
listIP[i] +
'| grep time= > pingresult')
os.system(
'cp pingresult ' +
output_dir +
'/' +
sim +
'/pingResult/' +
str(i))
total = 0.0
numP = 0
with open('pingresult', 'r') as f:
for line in f:
#print line
time = line.split(' ')[-2]
num = float(time.split('=')[1])
total = total + num
numP += 1
print total, numP
if numP != 0:
listDelay.append(total / numP)
return listDelay
def calculateTraditionalWeight(cpu, ram, bw, overId, listDelay):
#cpu,ram, bw, overId = getResource()
print cpu
totalDelay = sum(listDelay) - listDelay[overId - 1] # do not care current
#print 'totalDelay', totalDelay
outputWeight = {}
for i in range(0, numHost):
cpuLoad = float(cpu[i]) / cpu_total
ramLoad = float(ram[i]) / ram_total
w = (1.0 - float(cpu[i]) / cpu_total) * cpu_weight + \
(1.0 - float(ram[i]) / ram_total) * ram_weight
print 'w = ', w
outputWeight.update({i + 1: w})
print outputWeight
print overId
outputWeight.pop(overId, None) # delete the overloadNode
print outputWeight
return outputWeight
def findTheBestNode(cpu, ram, bw, overload_node):
global offloading_node
time.sleep(1)
listDelay = PingTest()
startTime = time.time()
ListWeightedNode = calculateTraditionalWeight(
cpu, ram, bw, overload_node, listDelay)
#print ListWeightedNode
sortedList = sorted(
ListWeightedNode,
key=lambda x: ListWeightedNode[x],
reverse=True) # sort dic by value
print "Best Node: id ", sortedList[0], "\nvalue:", ListWeightedNode[sortedList[0]]
calculation_time = time.time() - startTime # second
print calculation_time
sortedListDelay = sorted(listDelay, reverse=True)
communication_time = float(sortedListDelay[0])
print listDelay
print communication_time
delivery_time = calculation_time * 1000 + communication_time # ms
print 'delivery time', delivery_time
if overload_node % 2 == 1:
if sortedList[0] == overload_node + 1:
offloading_node = sortedList[1]
else:
offloading_node = sortedList[0]
else:
if sortedList[0] == overload_node - 1:
offloading_node = sortedList[1]
else:
offloading_node = sortedList[0]
print 'bestNode', offloading_node
result = open(
output_dir +
'/' +
sim +
'/node/' +
str(offloading_node),
"w+")
result.close()
#os.system('echo bestNode: ' + str(bestNode) + ' delivery_time: ' + str(delivery_time) + '>>' + outputFile + '/log' + str(fig))
def main(argv):
global cpu
global ram
global hdd
global bw
global overload_node
global offloading_node
global result_log
global output_dir
global sim
global out_path
sim = str(sys.argv[1])
node = int(sys.argv[2])
mode = str(sys.argv[3])
print 'Simalation ', sim
result_log += 'Simalation ' + str(sim) + '\n'
time.sleep(node)
if not os.path.exists(output_dir + '/' + sim):
os.makedirs(output_dir + '/' + sim)
if not os.path.exists(output_dir + '/' + sim + '/node'):
os.makedirs(output_dir + '/' + sim + '/node')
if not os.path.exists(output_dir + '/' + sim + '/node_sdn'):
os.makedirs(output_dir + '/' + sim + '/node_sdn')
if not os.path.exists(output_dir + '/' + sim + '/api'):
os.makedirs(output_dir + '/' + sim + '/api')
if not os.path.exists(output_dir + '/' + sim + '/agent'):
os.makedirs(output_dir + '/' + sim + '/agent')
if not os.path.exists(output_dir + '/' + sim + '/pingResult'):
os.makedirs(output_dir + '/' + sim + '/pingResult')
os.system('rm ' + output_dir + '/' + sim + '/node' + '/*')
time.sleep(18 - node)
with open(config_dir + '/' + sim) as f:
for line in f:
if "Node_CPU" in line:
cpu = map(int, line.split()[1:])
if "Node_RAM" in line:
ram = map(int, line.split()[1:])
if "Node_HDD" in line:
hdd = map(int, line.split()[1:])
if "Node_BW" in line:
bw = map(int, line.split()[1:])
if "Overload_Node" in line:
overload_node = int(line.split()[-1])
result_log += 'Overloading_node ' + str(overload_node) + '\n'
os.system('iperf -c 10.0.0.9 -u -p ' +
str(10000 +
node) +
' -b ' +
str(bw[node -
1] *
1000000) +
' -d -L ' +
str(10000 +
node) +
' -t 6000 -i 1 > ' +
output_dir +
'/' +
sim +
'/agent/' +
str(node) +
'_bw.txt &')
# waiting for the result from controller
out_path = output_dir + '/' + sim + '/node'
out_path_sdn = output_dir + '/' + sim + '/node_sdn'
time.sleep(5)
# start agent process
# check if i am overloading node
if node == overload_node:
print "I am overloading node ", node
print "Running mode: ", mode
# No SDN mode
time.sleep(5)
findTheBestNode(cpu, ram, bw, overload_node)
time.sleep(5)
print "Test latency to all host"
latency = []
number_of_request = 5
for h in range(1, (numHost + 1)):
if node != h:
latency = [h]
print "Test latency to host", h
url = 'http://10.0.0.' + str(h) + ':5000/user/Jass'
for i in range(0, number_of_request):
start = time.time()
r = requests.get(url)
#print r.json()
end = time.time()
print "request #", i + 1, ' ', (end - start) * 1000
latency.append((end - start) * 1000)
time.sleep(5)
result_log += 'Latency_host ' + \
" ".join(map(str, latency)) + '\n'
print "finish latency test"
api_file = open(output_dir + '/' + sim + '/api_done', "w+")
api_file.write(result_log)
# get result from controller
while True:
if not os.listdir(out_path_sdn):
time.sleep(0.5)
else:
output = os.listdir(out_path_sdn)
offloading_node_sdn = int(output[0])
break
if offloading_node == offloading_node_sdn:
result_log += 'Duplicate result ' + str(mode) + '\n'
print "offloading_node node ", offloading_node
else:
time.sleep(5)
output = os.listdir(out_path)
print output
offloading_node = int(output[0])
print "offloading_node node ", offloading_node
result_log += 'Offloading_node ' + str(offloading_node) + '\n'
result_log += 'Offloading_node_SDN ' + \
str(offloading_node_sdn) + '\n'
time.sleep(5)
# start test 1 with NoSDN- data transfering
while True:
if os.path.isfile(output_dir + '/' + sim + '/test1_nosdn'):
break
else:
time.sleep(0.5)
time.sleep(2)
print "start test 1-data transfering"
for mb in [50, 100, 200]:
#file_name = str(mb)+'MB.bin'
cmd = '/usr/bin/time -f \'%e\' dd if=/dev/zero bs=1M count=' + \
str(mb) + ' | nc -q 0 10.0.0.' + str(offloading_node) + ' 30000'
print cmd
transfer_time = 0
num_test = 2
for i in range(0, num_test):
while True:
if os.path.isfile(
output_dir + '/' + sim + '/' + str(mb) + '_nosdn_' + str(i)):
break
else:
time.sleep(0.1)
print "transfering " + str(mb) + ' MB #' + str(i + 1)
time.sleep(0.1)
start = time.time()
os.system(cmd)
end = time.time()
print 'transfer_time ', (end - start)
transfer_time += (end - start)
time.sleep(10)
result_log += 'Time_Data_NoSDN_' + \
str(mb) + ' ' + str(transfer_time / num_test) + '\n'
print "aver transfering time (no sdn) of", mb, ' MB :', transfer_time / num_test
time.sleep(10)
print "finish no sdn test"
nosdn_file = open(output_dir + '/' + sim + '/NoSDN', "w+")
nosdn_file.write(result_log)
time.sleep(1)
print "start test 1-data transfering"
while True:
if os.path.isfile(output_dir + '/' + sim + '/test1_sdn'):
break
else:
time.sleep(0.5)
for mb in [50, 100, 200]:
#file_name = str(mb)+'MB.bin'
cmd = '/usr/bin/time -f \'%e\' dd if=/dev/zero bs=1M count=' + \
str(mb) + ' | nc -q 0 10.0.0.' + str(offloading_node_sdn) + ' 30000'
print cmd
transfer_time = 0
num_test = 2
for i in range(0, num_test):
while True:
if os.path.isfile(
output_dir + '/' + sim + '/' + str(mb) + '_sdn_' + str(i)):
break
else:
time.sleep(0.1)
print "transfering " + str(mb) + ' MB #' + str(i + 1)
time.sleep(0.1)
start = time.time()
os.system(cmd)
end = time.time()
print 'transfer_time ', (end - start)
transfer_time += (end - start)
time.sleep(10)
result_log += 'Time_Data_SDN_' + \
str(mb) + ' ' + str(transfer_time / num_test) + '\n'
print "aver transfering time (no sdn) of", mb, ' MB :', transfer_time / num_test
time.sleep(10)
# time.sleep(5)
# write log file
log_file = open(output_dir + '/' + sim + '/result.txt', "w+")
log_file.write(result_log)
log_file.close()
done_file = open(output_dir + '/' + sim + '/done.txt', "w+")
done_file.close()
else:
print "I am normal node ", node
print "Start api server"
os.system(
'nohup python api_server.py >> ' +
output_dir +
'/' +
sim +
'/api/' +
str(node) +
'_api_server.txt 2>&1 &')
while True:
if not os.listdir(out_path):
time.sleep(0.5)
else:
output = os.listdir(out_path)
offloading_node = int(output[0])
break
while True:
if not os.listdir(out_path_sdn):
time.sleep(0.5)
else:
output = os.listdir(out_path_sdn)
offloading_node_sdn = int(output[0])
break
if offloading_node != offloading_node_sdn:
# time.sleep(5)
if node == offloading_node:
print "I am offloading node ", node
#print "Start test case 2 "
#os.system('nohup python api_server.py >> '+output_dir+'/'+sim+'/api/'+str(node)+'_api_server.txt 2>&1 &')
time.sleep(2)
while True:
if os.path.isfile(output_dir + '/' + sim + '/api_done'):
break
else:
time.sleep(0.5)
print "Start test case 1 for NoSDN"
test_file = open(output_dir + '/' + sim + '/test1_nosdn', "w+")
test_file.close()
#os.system('nc -k -l 30000 > /dev/null')
for mb in ['50', '100', '200']:
for i in range(0, 2):
test_file = open(
output_dir + '/' + sim + '/' + mb + '_nosdn_' + str(i), "w+")
os.system('nc -l 30000 > /dev/null')
test_file.close()
time.sleep(5)
else:
while True:
if os.path.isfile(output_dir + '/' + sim + '/NoSDN'):
break
else:
time.sleep(0.5)
print "Start test case 1 for SDN"
test_file = open(output_dir + '/' + sim + '/test1_sdn', "w+")
test_file.close()
#os.system('nc -k -l 30000 > /dev/null')
for mb in ['50', '100', '200']:
for i in range(0, 2):
test_file = open(
output_dir + '/' + sim + '/' + mb + '_sdn_' + str(i), "w+")
os.system('nc -l 30000 > /dev/null')
test_file.close()
time.sleep(5)
if __name__ == "__main__":
main(sys.argv[1:])