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
|
#!/router/bin/python
from .stl_general_test import CStlGeneral_Test, CTRexScenario
from trex_stl_lib.api import *
import os, sys
import glob
def get_error_in_percentage (golden, value):
return abs(golden - value) / float(golden)
def get_stl_profiles ():
profiles_path = os.path.join(CTRexScenario.scripts_path, 'stl/')
py_profiles = glob.glob(profiles_path + "/*.py")
yaml_profiles = glob.glob(profiles_path + "yaml/*.yaml")
return py_profiles + yaml_profiles
class STLClient_Test(CStlGeneral_Test):
"""Tests for stateless client"""
def setUp(self):
CStlGeneral_Test.setUp(self)
if self.is_virt_nics:
self.percentage = 5
self.pps = 500
else:
self.percentage = 50
self.pps = 50000
# strict mode is only for 'wire only' connection
self.strict = True if self.is_loopback and not self.is_virt_nics else False
assert 'bi' in CTRexScenario.stl_ports_map
self.c = CTRexScenario.stl_trex
self.tx_port, self.rx_port = CTRexScenario.stl_ports_map['bi'][0]
self.c.connect()
self.c.reset(ports = [self.tx_port, self.rx_port])
self.pkt = STLPktBuilder(pkt = Ether()/IP(src="16.0.0.1",dst="48.0.0.1")/UDP(dport=12,sport=1025)/IP()/'a_payload_example')
self.profiles = get_stl_profiles()
@classmethod
def tearDownClass(cls):
if CTRexScenario.stl_init_error:
return
# connect back at end of tests
if not cls.is_connected():
CTRexScenario.stl_trex.connect()
def verify (self, expected, got):
if self.strict:
assert expected == got
else:
assert get_error_in_percentage(expected, got) < 0.05
def test_basic_connect_disconnect (self):
try:
self.c.connect()
assert self.c.is_connected(), 'client should be connected'
self.c.disconnect()
assert not self.c.is_connected(), 'client should be disconnected'
except STLError as e:
assert False , '{0}'.format(e)
def test_basic_single_burst (self):
try:
b1 = STLStream(name = 'burst',
packet = self.pkt,
mode = STLTXSingleBurst(total_pkts = 100,
percentage = self.percentage)
)
for i in range(0, 5):
self.c.add_streams([b1], ports = [self.tx_port, self.rx_port])
self.c.clear_stats()
self.c.start(ports = [self.tx_port, self.rx_port])
self.c.wait_on_traffic(ports = [self.tx_port, self.rx_port])
stats = self.c.get_stats()
assert self.tx_port in stats
assert self.rx_port in stats
self.verify(100, stats[self.tx_port]['opackets'])
self.verify(100, stats[self.rx_port]['ipackets'])
self.verify(100, stats[self.rx_port]['opackets'])
self.verify(100, stats[self.tx_port]['ipackets'])
self.c.remove_all_streams(ports = [self.tx_port, self.rx_port])
except STLError as e:
assert False , '{0}'.format(e)
#
def test_basic_multi_burst (self):
try:
b1 = STLStream(name = 'burst',
packet = self.pkt,
mode = STLTXMultiBurst(pkts_per_burst = 10,
count = 20,
percentage = self.percentage)
)
for i in range(0, 5):
self.c.add_streams([b1], ports = [self.tx_port, self.rx_port])
self.c.clear_stats()
self.c.start(ports = [self.tx_port, self.rx_port])
self.c.wait_on_traffic(ports = [self.tx_port, self.rx_port])
stats = self.c.get_stats()
assert self.tx_port in stats
assert self.rx_port in stats
self.verify(200, stats[self.tx_port]['opackets'])
self.verify(200, stats[self.rx_port]['ipackets'])
self.verify(200, stats[self.rx_port]['opackets'])
self.verify(200, stats[self.tx_port]['ipackets'])
self.c.remove_all_streams(ports = [self.tx_port, self.rx_port])
except STLError as e:
assert False , '{0}'.format(e)
#
def test_basic_cont (self):
pps = self.pps
duration = 0.1
golden = pps * duration
try:
b1 = STLStream(name = 'burst',
packet = self.pkt,
mode = STLTXCont(pps = pps)
)
for i in range(0, 5):
self.c.add_streams([b1], ports = [self.tx_port, self.rx_port])
self.c.clear_stats()
self.c.start(ports = [self.tx_port, self.rx_port], duration = duration)
assert self.c.ports[self.tx_port].is_transmitting(), 'port should be active'
assert self.c.ports[self.rx_port].is_transmitting(), 'port should be active'
self.c.wait_on_traffic(ports = [self.tx_port, self.rx_port])
stats = self.c.get_stats()
assert self.tx_port in stats
assert self.rx_port in stats
# cont. with duration should be quite percise - 5% error is relaxed enough
assert get_error_in_percentage(stats[self.tx_port]['opackets'], golden) < 0.05
assert get_error_in_percentage(stats[self.rx_port]['ipackets'], golden) < 0.05
assert get_error_in_percentage(stats[self.rx_port]['opackets'], golden) < 0.05
assert get_error_in_percentage(stats[self.tx_port]['ipackets'], golden) < 0.05
self.c.remove_all_streams(ports = [self.tx_port, self.rx_port])
except STLError as e:
assert False , '{0}'.format(e)
def test_stress_connect_disconnect (self):
try:
for i in range(0, 100):
self.c.connect()
assert self.c.is_connected(), 'client should be connected'
self.c.disconnect()
assert not self.c.is_connected(), 'client should be disconnected'
except STLError as e:
assert False , '{0}'.format(e)
def test_stress_tx (self):
try:
s1 = STLStream(name = 'stress',
packet = self.pkt,
mode = STLTXCont(percentage = self.percentage))
# add both streams to ports
self.c.add_streams([s1], ports = [self.tx_port, self.rx_port])
for i in range(0, 100):
self.c.start(ports = [self.tx_port, self.rx_port])
assert self.c.ports[self.tx_port].is_transmitting(), 'port should be active'
assert self.c.ports[self.rx_port].is_transmitting(), 'port should be active'
self.c.pause(ports = [self.tx_port, self.rx_port])
assert self.c.ports[self.tx_port].is_paused(), 'port should be paused'
assert self.c.ports[self.rx_port].is_paused(), 'port should be paused'
self.c.resume(ports = [self.tx_port, self.rx_port])
assert self.c.ports[self.tx_port].is_transmitting(), 'port should be active'
assert self.c.ports[self.rx_port].is_transmitting(), 'port should be active'
self.c.stop(ports = [self.tx_port, self.rx_port])
assert not self.c.ports[self.tx_port].is_active(), 'port should be idle'
assert not self.c.ports[self.rx_port].is_active(), 'port should be idle'
except STLError as e:
assert False , '{0}'.format(e)
def test_all_profiles (self):
if self.is_virt_nics or not self.is_loopback:
self.skip('skipping profile tests for virtual / non loopback')
return
try:
for profile in self.profiles:
print("now testing profile {0}...\n".format(profile))
p1 = STLProfile.load(profile, port_id = self.tx_port)
p2 = STLProfile.load(profile, port_id = self.rx_port)
# if profile contains custom MAC addrs we need promiscuous mode
# but virtual NICs does not support promiscuous mode
self.c.set_port_attr(ports = [self.tx_port, self.rx_port], promiscuous = False)
if p1.has_custom_mac_addr():
if not self.is_virt_nics:
self.c.set_port_attr(ports = [self.tx_port, self.rx_port], promiscuous = True)
else:
print("\n*** profile needs promiscuous mode but running on virtual NICs - skipping... ***\n")
continue
if p1.has_flow_stats():
print("\n*** profile needs RX caps - skipping... ***\n")
continue
self.c.add_streams(p1, ports = self.tx_port)
self.c.add_streams(p2, ports = self.rx_port)
self.c.clear_stats()
self.c.start(ports = [self.tx_port, self.rx_port], mult = "30%")
time.sleep(100 / 1000.0)
if p1.is_pauseable() and p2.is_pauseable():
self.c.pause(ports = [self.tx_port, self.rx_port])
time.sleep(100 / 1000.0)
self.c.resume(ports = [self.tx_port, self.rx_port])
time.sleep(100 / 1000.0)
self.c.stop(ports = [self.tx_port, self.rx_port])
stats = self.c.get_stats()
assert self.tx_port in stats, '{0} - no stats for TX port'.format(profile)
assert self.rx_port in stats, '{0} - no stats for RX port'.format(profile)
self.verify(stats[self.tx_port]['opackets'], stats[self.rx_port]['ipackets'])
self.verify(stats[self.rx_port]['opackets'], stats[self.tx_port]['ipackets'])
self.c.remove_all_streams(ports = [self.tx_port, self.rx_port])
except STLError as e:
assert False , '{0}'.format(e)
finally:
self.c.set_port_attr(ports = [self.tx_port, self.rx_port], promiscuous = False)
# see https://trex-tgn.cisco.com/youtrack/issue/trex-226
def test_latency_pause_resume (self):
try:
s1 = STLStream(name = 'latency',
packet = self.pkt,
mode = STLTXCont(percentage = self.percentage),
flow_stats = STLFlowLatencyStats(pg_id = 1))
self.c.add_streams([s1], ports = self.tx_port)
self.c.clear_stats()
self.c.start(ports = self.tx_port)
for i in range(100):
self.c.pause()
self.c.resume()
self.c.stop()
except STLError as e:
assert False , '{0}'.format(e)
def test_pcap_remote (self):
try:
pcap_file = os.path.join(CTRexScenario.scripts_path, 'automation/regression/test_pcaps/pcap_dual_test.erf')
master = self.tx_port
slave = master ^ 0x1
self.c.reset(ports = [master, slave])
self.c.clear_stats()
self.c.push_remote(pcap_file,
ports = [master],
ipg_usec = 100,
is_dual = True)
self.c.wait_on_traffic(ports = [master])
stats = self.c.get_stats()
self.verify(stats[master]['opackets'], 52)
self.verify(stats[slave]['opackets'], 48)
except STLError as e:
assert False , '{0}'.format(e)
|
