import unittest
import SocketServer, socket
from tests.utils import ping
from tests.mixins import ShaperMixin
import time
from shapy import register_settings
register_settings('tests.emulation.settings')
class TestCWCDelay(unittest.TestCase, ShaperMixin):
def setUp(self):
self.server_addr = ('127.0.0.2', 55000) # 5 ms delay
self.client_addr = ('127.0.0.3', 55001) # 30 ms delay
ShaperMixin.setUp(self)
def test_delay(self):
c = self.client_addr[0]
s = self.server_addr[0]
ping(c, s, 1) # ARP
est_delay = self.estimate_delay(c, s)
self.assertAlmostEqual(ping(c, s), est_delay * 2, delta=1)
self.assertAlmostEqual(ping(s, c), est_delay * 2, delta=1)
self.assertAlmostEqual(ping(c, "127.0.0.1"), 60, delta=0.5)
self.assertAlmostEqual(ping("127.0.0.1", c), 60, delta=0.5)
self.assertAlmostEqual(ping(s, "127.0.0.1"), 10, delta=1)
self.assertAlmostEqual(ping("127.0.0.1", s), 10, delta=1)
def tearDown(self):
def test_settings_override(self):
shapy.register_settings('test_settings')
from shapy import settings
self.assertEqual(settings.UNITS, 'override')
self.assertEqual(getattr(settings, 'NEW_OPTION', None), 'new')
def scan_interfaces():
"""Parses a list of all interfaces reported by `ip link`"""
import subprocess
import re
ifcs = []
out = subprocess.check_output(["ip", "link"]).split('\n')
for line in out:
m = re.match("^[0-9]+:[ ]([a-z0-9]+):", line)
if m:
ifcs.append(m.group(1))
return ifcs
from shapy import register_settings
register_settings('settings')
from shapy.emulation.shaper import Shaper
from shapy import settings
settings.EMU_INTERFACES = scan_interfaces()
notice = """\
This will clear entire Traffic Control configuration and unload IFB module.
Please note reported errors usually do not mean anything bad, just that there
was nothing to tear down on that particular interface."""
if __name__ == '__main__':
print "Tearing down all interfaces: %s" % ', '.join(settings.EMU_INTERFACES)
print notice
print "-"*80
sh = Shaper()
#!/usr/bin/env python
import logging
logging.basicConfig(level=logging.INFO,
datefmt='%H:%M:%S',
format='%(asctime)s %(name)s %(levelname)s: %(message)s')
from shapy import register_settings
register_settings('settings')
from shapy.emulation.shaper import Shaper
if __name__ == '__main__':
ps = {
("127.0.0.2", ): {
'upload': 1024,
'download': 1024,
'delay': 5,
'jitter': 5
},
("127.0.0.3", ): {
'upload': 256,
'download': 512,
'delay': 20
},
("127.0.0.4", ): {
'upload': 256,
'download': 512,
'delay': 20
},
}
import unittest
import SocketServer, socket
from tests.utils import ping
from tests.mixins import ShaperMixin
import time
from shapy import register_settings
register_settings('tests.emulation.settings')
class TestCWCDelay(unittest.TestCase, ShaperMixin):
def setUp(self):
self.server_addr = ('127.0.0.2', 55000) # 5 ms delay
self.client_addr = ('127.0.0.3', 55001) # 30 ms delay
ShaperMixin.setUp(self)
def test_delay(self):
c = self.client_addr[0]
s = self.server_addr[0]
ping(c, s, 1) # ARP
est_delay = self.estimate_delay(c, s)
self.assertAlmostEqual(ping(c, s), est_delay*2, delta=1)
self.assertAlmostEqual(ping(s, c), est_delay*2, delta=1)
self.assertAlmostEqual(ping(c, "127.0.0.1"), 60, delta=0.5)
self.assertAlmostEqual(ping("127.0.0.1", c), 60, delta=0.5)
self.assertAlmostEqual(ping(s, "127.0.0.1"), 10, delta=1)
self.assertAlmostEqual(ping("127.0.0.1", s), 10, delta=1)
def tearDown(self):
ShaperMixin.tearDown(self)
