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iperftestmulti.py
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iperftestmulti.py
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#!/usr/bin/env python
import sys
from optparse import OptionParser
from iperftest import IPerfTest
from dataformatter import DataFormatter
class IPerfTestMulti(object):
"""
Runs multipe IPerfTests and averages out the results.
"""
def __init__(self, server, description='', num_tests=3, time=15,
window='64k', interval=1, csvfile=None, summaryfile=None,
cli=False):
self.server = server
self.description = description
self.num_tests = num_tests
self.time = time
self.window = window
self.interval = interval
self.csvfile = csvfile
self.summaryfile = summaryfile
self.cli = cli
self.tests = []
self.total_up_min = -1
self.total_up_max = -1
self.total_down_min = -1
self.total_down_max = -1
self.total_up_transferred = 0.0
self.total_up_speed = 0.0
self.total_down_transferred = 0.0
self.total_down_speed = 0.0
def get_up_transferred(self):
return self.total_up_transferred
def get_down_transferred(self):
return self.total_down_transferred
def get_avg_up_speed(self):
return self.total_up_speed / self.num_tests
def get_avg_down_speed(self):
return self.total_down_speed / self.num_tests
def get_up_jitter(self):
return (self.total_up_max - self.total_up_min) / self.total_up_speed * 100
def get_down_jitter(self):
return (self.total_down_max - self.total_down_min) / self.total_down_speed * 100
def print_summary(self):
print '-' * IPerfTest.PRINT_WIDTH
print '|%s|' % self.description.center(IPerfTest.PRINT_WIDTH - 2)
print '|%s|' % 'Summary'.center(IPerfTest.PRINT_WIDTH - 2)
print '-' * IPerfTest.PRINT_WIDTH
try:
print 'Upload:'
print ' %s: %s\t%s: %s' % \
('Transferred'.ljust(11), DataFormatter.format_bytes(self.get_up_transferred()),
'Speed'.ljust(11), DataFormatter.format_bits(self.get_avg_up_speed()))
print ' %s: %s\t%s: %s' % \
('Min'.ljust(11), DataFormatter.format_bits(self.total_up_min),
'Max'.ljust(11), DataFormatter.format_bits(self.total_up_max))
print ' %s: %2.2f%%' % ('Jitter'.ljust(11), self.get_up_jitter())
print 'Download:'
print ' %s: %s\t%s: %s' % \
('Transferred'.ljust(11), DataFormatter.format_bytes(self.get_down_transferred()),
'Speed'.ljust(11), DataFormatter.format_bits(self.get_avg_down_speed()))
print ' %s: %s\t%s: %s' % \
('Min'.ljust(11), DataFormatter.format_bits(self.total_down_min),
'Max'.ljust(11), DataFormatter.format_bits(self.total_down_max))
print ' %s: %2.2f%%' % ('Jitter'.ljust(11), self.get_down_jitter())
except:
pass
def print_csv(self):
print ','.join(('transferred', 'speed', 'min', 'max', 'jitter'))
print ','.join((self.get_up_transferred(), self.get_avg_up_speed(),
self.total_up_min, self.total_up_max, self.get_up_jitter()))
print ','.join((self.get_down_transferred(), self.get_avg_down_speed(),
self.total_down_min, self.total_down_max,
self.get_down_jitter()))
def run(self):
for test_num in range(1, self.num_tests + 1):
test = IPerfTest(self.server, test_num, self.description,
self.time, self.window, self.interval,
self.csvfile, self.summaryfile, self.cli)
self.tests.append(test)
if self.cli:
test.print_header()
test.run()
#if self.cli:
test.print_summary()
#sum all the up down cumulative values
self.total_up_transferred += test.get_up_transferred()
self.total_down_transferred += test.get_down_transferred()
self.total_up_speed += test.get_up_speed()
self.total_down_speed += test.get_down_speed()
#update the min / max values
if test.get_up_speed_min() < self.total_up_min or self.total_up_min == -1:
self.total_up_min = test.get_up_speed_min()
if test.get_up_speed_max() < self.total_up_max or self.total_up_max == -1:
self.total_up_max = test.get_up_speed_max()
if test.get_down_speed_min() < self.total_down_min or self.total_down_min == -1:
self.total_down_min = test.get_down_speed_min()
if test.get_down_speed_max() < self.total_down_max or self.total_down_max == -1:
self.total_down_max = test.get_down_speed_max()
def kill_tests(self):
#only need to kill the last test, since all others will have
#terminated normally
kill_failed = False
try:
self.tests[-1].kill_subprocess()
except:
raise Exception('Killing iperf subprocesses failed.')
if __name__ == '__main__':
parser = OptionParser()
parser.add_option('-c', '--client', dest='server',
help='iperf server to connect to', metavar='server_ip')
parser.add_option('-t', '--time', dest='time', type='int', default=15,
help='time (in seconds) to run', metavar='test_time')
parser.add_option('-i', '--interval', dest='interval', type='int', default=1,
help='interval to print data', metavar='update_interval')
parser.add_option('-w', '--window', dest='window', type='string', default='64k',
help='iperf window size', metavar='tcp_window')
parser.add_option('-d', '--description', dest='description', type='string',
help='test comment (location, antenna name, distance, etc.)',
metavar='description')
parser.add_option('-n', '--num-tests', dest='num_tests', type='int', default=3,
help='number of tests to run', metavar='num-tests')
parser.add_option('', '--csv-file', dest='csvfile', type='string',
help='csv filename', metavar='csvfile.csv')
parser.add_option('', '--summary-file', dest='summaryfile', type='string',
help='summary filename', metavar='summaryfile.txt')
(options, args) = parser.parse_args()
required_options = ('--client', '--description')
error_message = None
for opt in required_options:
opt_object = parser.get_option(opt)
if eval('options.' + opt_object.dest) == None:
if error_message == None:
error_message = 'Error: %s is a required option.\n' % \
"/".join(opt_object._short_opts)
else:
error_message = '%s Error: %s is a required option.\n' % \
(error_message, "/".join(opt_object._short_opts))
if not error_message == None:
error_message = '\n %s \n %s' % (error_message, parser.format_help())
parser.exit(status=2, msg=error_message)
multi_test = None
try:
csvfile = summaryfile = None
csvfile_option = parser.get_option('--csv-file')
summaryfile_option = parser.get_option('--summary-file')
if not eval('options.' + csvfile_option.dest) == None:
csvfile = open(options.csvfile, 'a+', 0)
if not eval('options.' + summaryfile_option.dest) == None:
summaryfile = open(options.summaryfile, 'a+', 0)
multi_test = IPerfTestMulti(options.server, description=options.description,
num_tests=options.num_tests, time=options.time,
window=options.window, interval=options.interval,
csvfile=csvfile, summaryfile=summaryfile,
cli=False)
multi_test.run()
multi_test.print_summary()
except KeyboardInterrupt:
print
try:
multi_test.kill_tests()
except:
print 'Could not kill the iperf subprocesses, you should do so manually.'
sys.exit(0)