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import outer_packages
from platform_cmd_link import *
import functional_general_test
from nose.tools import assert_equal
from nose.tools import assert_not_equal
from nose.tools import nottest
from nose.plugins.attrib import attr
from unit_tests.trex_general_test import CTRexScenario
from dpkt import pcap
import sys
import os
import subprocess
# should be set to run explicitly, not as part of all regression tests
@attr('run_on_trex')
class CStlBasic_Test(functional_general_test.CGeneralFunctional_Test):
def setUp (self):
self.test_path = os.path.abspath(os.getcwd())
self.scripts_path = CTRexScenario.scripts_path
self.verify_exists(os.path.join(self.scripts_path, "bp-sim-64-debug"))
self.stl_sim = os.path.join(self.scripts_path, "stl-sim")
self.verify_exists(self.stl_sim)
self.profiles_path = os.path.join(self.scripts_path, "stl/yaml/")
self.profiles = {}
self.profiles['imix_3pkt'] = os.path.join(self.profiles_path, "imix_3pkt.yaml")
self.profiles['imix_3pkt_vm'] = os.path.join(self.profiles_path, "imix_3pkt_vm.yaml")
self.profiles['random_size'] = os.path.join(self.profiles_path, "udp_rand_size.yaml")
self.profiles['random_size_9k'] = os.path.join(self.profiles_path, "udp_rand_size_9k.yaml")
self.profiles['imix_tuple_gen'] = os.path.join(self.profiles_path, "imix_1pkt_tuple_gen.yaml")
for k, v in self.profiles.iteritems():
self.verify_exists(v)
self.valgrind_profiles = [ self.profiles['imix_3pkt_vm'], self.profiles['random_size_9k'], self.profiles['imix_tuple_gen']]
self.golden_path = os.path.join(self.test_path,"stl/golden/")
os.chdir(self.scripts_path)
def tearDown (self):
os.chdir(self.test_path)
def get_golden (self, name):
golden = os.path.join(self.golden_path, name)
self.verify_exists(golden)
return golden
def verify_exists (self, name):
if not os.path.exists(name):
raise Exception("cannot find '{0}'".format(name))
def compare_caps (self, cap1, cap2, max_diff_sec = 0.01):
f1 = open(cap1, 'r')
reader1 = pcap.Reader(f1)
pkts1 = reader1.readpkts()
f2 = open(cap2, 'r')
reader2 = pcap.Reader(f2)
pkts2 = reader2.readpkts()
assert_equal(len(pkts1), len(pkts2))
for pkt1, pkt2, i in zip(pkts1, pkts2, xrange(1, len(pkts1))):
ts1 = pkt1[0]
ts2 = pkt2[0]
if abs(ts1-ts2) > 0.000005: # 5 nsec
raise AssertionError("TS error: cap files '{0}', '{1}' differ in cap #{2} - '{3}' vs. '{4}'".format(cap1, cap2, i, ts1, ts2))
if pkt1[1] != pkt2[1]:
raise AssertionError("RAW error: cap files '{0}', '{1}' differ in cap #{2}".format(cap1, cap2, i))
def run_sim (self, yaml, output, options = "", silent = False):
if output:
user_cmd = "-f {0} -o {1} {2}".format(yaml, output, options)
else:
user_cmd = "-f {0} {1}".format(yaml, options)
cmd = "{0} {1}".format(self.stl_sim,
user_cmd)
if silent:
devnull = open('/dev/null', 'w')
rc = subprocess.call(cmd, shell = True, stdout = devnull)
else:
print cmd
rc = subprocess.call(cmd, shell = True)
return (rc == 0)
def golden_run (self, testname, profile, options, silent = False):
output_cap = os.path.join("/tmp/", "{0}_test.cap".format(testname))
golden_cap = os.path.join(self.test_path, "stl/golden/{0}_golden.cap".format(testname))
try:
rc = self.run_sim(self.profiles[profile], output_cap, options, silent)
assert_equal(rc, True)
self.compare_caps(output_cap, golden_cap)
finally:
os.unlink(output_cap)
def run_py_profile_path (self, profile, options,silent = False, do_no_remove=False,compare =True):
output_cap = "a.pcap"
input_file = os.path.join('stl/', profile)
golden_file = os.path.join('exp',os.path.basename(profile).split('.')[0]+'.pcap');
try:
rc = self.run_sim(input_file, output_cap, options, silent)
assert_equal(rc, True)
if compare:
self.compare_caps(output_cap, golden_file)
finally:
if not do_no_remove:
os.unlink(output_cap)
# test for IMIX
def test_imix (self):
self.golden_run("basic_imix", "imix_3pkt", "-m 50kpps --limit 500 --cores 8", silent = False)
def test_vm (self):
self.golden_run("basic_imix_vm", "imix_3pkt_vm", "-m 50kpps --limit 500 --cores 8", silent = False)
def test_tuple_gen (self):
self.golden_run("basic_tuple_gen", "imix_tuple_gen", "-m 50kpps --limit 500 --cores 8", silent = False)
def test_all_profiles (self):
p=[
["udp_1pkt_1mac_override.py","-m 1 -l 50",True],
["syn_attack.py","-m 1 -l 50",False], # can't compare random now
["udp_1pkt_1mac.py","-m 1 -l 50",True],
["udp_1pkt_mac.py","-m 1 -l 50",True],
["udp_1pkt.py","-m 1 -l 50",True],
["udp_1pkt_tuple_gen.py","-m 1 -l 50",True],
["udp_rand_len_9k.py","-m 1 -l 50",False], # can't do the compare
["udp_1pkt_mpls.py","-m 1 -l 50",True],
["udp_1pkt_mpls_vm.py","-m 1 ",True],
["imix.py","-m 1 -l 100",True],
["udp_inc_len_9k.py","-m 1 -l 100",True]
];
#p=[ ["udp_inc_len_9k.py","-m 1 -l 100",True] ]
for obj in p:
self.run_py_profile_path (obj[0],obj[1],compare =obj[2], do_no_remove=False)
# valgrind tests
def test_valgrind_various_profiles (self):
print "\n"
for profile in self.valgrind_profiles:
print "\n*** testing profile '{0}' ***\n".format(profile)
rc = self.run_sim(profile, output = None, options = "--cores 8 --limit 500 --valgrind", silent = False)
assert_equal(rc, True)
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