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
|
##############################################################################
# Copyright (c) 2015 Huawei Technologies Co.,Ltd and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
import subprocess
import time
import logging
import vstf.common.decorator as deco
from vstf.common import perfmark as mark
from vstf.common.utils import kill_by_name, my_popen
LOG = logging.getLogger(__name__)
class Qperf(object):
def __init__(self):
self._send_processes = []
self._receive_processes = []
@deco.check("protocol", choices=['tcp_lat', 'udp_lat'])
@deco.check("namespace", defaults=None)
@deco.check("dst")
@deco.check("time", defaults=10)
@deco.check("size", defaults=64)
def send_start(self, **kwargs):
cmd = self.format_send_start(**kwargs)
LOG.info("cmd:%s", cmd)
process = my_popen(cmd.split(), stdout=subprocess.PIPE, stderr=subprocess.PIPE)
time.sleep(0.5)
ret = process.poll()
if ret is None:
ret = 0
error_str = "start qperf send success"
self._send_processes.append(process)
else:
print ret
error_str = "start qperf send failed, %s" % (str(kwargs))
process.wait()
return ret, error_str
@deco.namespace()
def format_send_start(self, **kwargs):
cmd = "qperf %(dst_ip)s -t %(time)s -m %(pkt_size)s -vu %(type)s "
context = {
'dst_ip': kwargs['dst'][0]['ip'],
'type': kwargs['protocol'],
'time': kwargs['time'],
'pkt_size': kwargs['size'],
}
cmd = cmd % context
return cmd
def send_stop(self, **kwargs):
results = []
for process in self._send_processes:
process.wait()
read = process.stdout.read()
read = self._parse_data(read)
ret = 0
results.append((ret, read))
self._send_processes = []
return results
@deco.namespace()
def format_receive_start(self, **kwargs):
cmd = 'qperf'
return cmd
def receive_start(self, **kwargs):
cmd = self.format_receive_start(**kwargs)
LOG.info("cmd:%s", cmd)
process = my_popen(cmd.split(), stdout=subprocess.PIPE, stderr=subprocess.PIPE)
time.sleep(0.5)
ret = process.poll()
if ret is None:
ret = 0
error_str = "start qperf receive success"
self._receive_processes.append(process)
else:
print ret
error_str = "start qperf receive failed, %s" % (str(kwargs))
process.wait()
raise Exception(error_str)
return ret, error_str
def receive_stop(self, **kwargs):
ret = 0
for process in self._receive_processes:
process.kill()
process.wait()
self._receive_processes = []
error_str = "stop qperf receive success"
return ret, error_str
def receive_kill(self):
kill_by_name('qperf')
self._receive_processes = []
return True
def clean(self):
for process in self._receive_processes:
process.kill()
process.wait()
LOG.info("process.kill(qperf daemon:%s)", process.pid)
for process in self._send_processes:
LOG.info("process.wait(qperf client:%s)", process.pid)
process.wait()
self._receive_processes = []
self._send_processes = []
return True
def force_clean(self):
LOG.info("%s %s start", self.__class__, self.force_clean.__name__)
kill_by_name('qperf')
self._send_processes = []
self._receive_processes = []
return True
def _parse_data(self, data):
LOG.info(data)
latency = 0
if data:
buf = data.splitlines()
if "latency" in buf[1]:
data = buf[1].strip().split()
if data[3] == "us":
latency = float(data[2]) / 1000
else:
latency = float(data[2])
result = {
mark.minLatency: latency,
mark.avgLatency: latency,
mark.maxLatency: latency
}
return result
def unit_test():
perf = Qperf()
perf.receive_start(namespace='receive')
send = {
"namespace": "send",
"protocol": "udp_lat",
"dst": [
{"ip": "192.168.1.102"}
],
"size": 64,
}
print perf.send_start(**send)
time.sleep(10)
print perf.send_stop()
print perf.receive_stop()
if __name__ == "__main__":
from vstf.common.log import setup_logging
setup_logging(level=logging.DEBUG, log_file="/var/log/vstf/vstf-qperf.log", clevel=logging.DEBUG)
unit_test()
|