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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 trex import CTRexScenario
from trex_stl_lib import trex_stl_sim
from trex_stl_lib.trex_stl_streams import STLProfile
from trex_stl_lib.trex_stl_packet_builder_scapy import RawPcapReader, RawPcapWriter, Ether
from trex_stl_lib.utils.text_opts import *
import sys
if sys.version_info > (3,0):
from io import StringIO
else:
from cStringIO import StringIO
import os
import subprocess
import shlex
from threading import Thread
@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_9k'] = os.path.join(self.profiles_path, "../udp_rand_len_9k.py")
self.profiles['imix_tuple_gen'] = os.path.join(self.profiles_path, "imix_1pkt_tuple_gen.yaml")
for k, v in self.profiles.items():
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 scapy_pkt_show_to_str (self, scapy_pkt):
capture = StringIO()
save_stdout = sys.stdout
sys.stdout = capture
scapy_pkt.show()
sys.stdout = save_stdout
return capture.getvalue()
def compare_caps (self, output, golden, max_diff_sec = 0.01):
pkts1 = list(RawPcapReader(output))
pkts2 = list(RawPcapReader(golden))
assert_equal(len(pkts1), len(pkts2))
for pkt1, pkt2, i in zip(pkts1, pkts2, range(1, len(pkts1))):
ts1 = float(pkt1[1][0]) + (float(pkt1[1][1]) / 1e6)
ts2 = float(pkt2[1][0]) + (float(pkt2[1][1]) / 1e6)
if abs(ts1-ts2) > 0.000005: # 5 nsec
raise AssertionError("TS error: cap files '{0}', '{1}' differ in cap #{2} - '{3}' vs. '{4}'".format(output, golden, i, ts1, ts2))
if pkt1[0] != pkt2[0]:
errmsg = "RAW error: output file '{0}', differs from golden '{1}' in cap #{2}".format(output, golden, i)
print(errmsg)
print(format_text("\ndifferent fields for packet #{0}:".format(i), 'underline'))
scapy_pkt1_info = self.scapy_pkt_show_to_str(Ether(pkt1[0])).split('\n')
scapy_pkt2_info = self.scapy_pkt_show_to_str(Ether(pkt2[0])).split('\n')
print(format_text("\nGot:\n", 'bold', 'underline'))
for line, ref in zip(scapy_pkt1_info, scapy_pkt2_info):
if line != ref:
print(format_text(line, 'bold'))
print(format_text("\nExpected:\n", 'bold', 'underline'))
for line, ref in zip(scapy_pkt2_info, scapy_pkt1_info):
if line != ref:
print(format_text(line, 'bold'))
print("\n")
raise AssertionError(errmsg)
def run_sim (self, yaml, output, options = "", silent = False, obj = None):
if output:
user_cmd = "-f {0} -o {1} {2}".format(yaml, output, options)
else:
user_cmd = "-f {0} {1}".format(yaml, options)
if silent:
user_cmd += " --silent"
rc = trex_stl_sim.main(args = shlex.split(user_cmd))
if obj:
obj['rc'] = (rc == 0)
return (rc == 0)
def run_py_profile_path (self, profile, options,silent = False, do_no_remove=False,compare =True, test_generated=True, do_no_remove_generated = False):
print('Testing profile: %s' % profile)
output_cap = "a.pcap"
input_file = os.path.join('stl/', profile)
golden_file = os.path.join('exp',os.path.basename(profile).split('.')[0]+'.pcap');
if os.path.exists(output_cap):
os.unlink(output_cap)
try:
rc = self.run_sim(input_file, output_cap, options, silent)
assert_equal(rc, True)
#s='cp '+output_cap+' '+golden_file;
#print s
#os.system(s)
if compare:
self.compare_caps(output_cap, golden_file)
finally:
if not do_no_remove:
os.unlink(output_cap)
if test_generated:
try:
generated_filename = input_file.replace('.py', '_GENERATED.py').replace('.yaml', '_GENERATED.py')
if input_file.endswith('.py'):
profile = STLProfile.load_py(input_file)
elif input_file.endswith('.yaml'):
profile = STLProfile.load_yaml(input_file)
profile.dump_to_code(generated_filename)
rc = self.run_sim(generated_filename, output_cap, options, silent)
assert_equal(rc, True)
if compare:
self.compare_caps(output_cap, golden_file)
except Exception as e:
print(e)
finally:
if not do_no_remove_generated:
os.unlink(generated_filename)
# python 3 does not generate PYC under the same dir
if os.path.exists(generated_filename + 'c'):
os.unlink(generated_filename + 'c')
if not do_no_remove:
os.unlink(output_cap)
def test_stl_profiles (self):
p = [
["udp_1pkt_1mac_override.py","-m 1 -l 50",True],
["syn_attack.py","-m 1 -l 50",True], # 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",True], # 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],
["udp_1pkt_range_clients.py","-m 1 -l 100",True],
["multi_burst_2st_1000pkt.py","-m 1 -l 100",True],
["pcap.py", "-m 1", True],
["pcap_with_vm.py", "-m 1", True],
# YAML test
["yaml/burst_1000_pkt.yaml","-m 1 -l 100",True],
["yaml/burst_1pkt_1burst.yaml","-m 1 -l 100",True],
["yaml/burst_1pkt_vm.yaml","-m 1 -l 100",True],
["yaml/imix_1pkt.yaml","-m 1 -l 100",True],
["yaml/imix_1pkt_2.yaml","-m 1 -l 100",True],
["yaml/imix_1pkt_tuple_gen.yaml","-m 1 -l 100",True],
["yaml/imix_1pkt_vm.yaml","-m 1 -l 100",True],
["udp_1pkt_pcap.py","-m 1 -l 10",True],
["udp_3pkt_pcap.py","-m 1 -l 10",True],
#["udp_1pkt_simple.py","-m 1 -l 3",True],
["udp_1pkt_pcap_relative_path.py","-m 1 -l 3",True],
["udp_1pkt_tuple_gen_split.py","-m 1 -c 2 -l 100",True],
["udp_1pkt_range_clients_split.py","-m 1 -c 2 -l 100",True],
["udp_1pkt_vxlan.py","-m 1 -c 1 -l 17",True, False], # can't generate: no VXLAN in Scapy, only in profile
["udp_1pkt_ipv6_in_ipv4.py","-m 1 -c 1 -l 17",True],
["yaml/imix_3pkt.yaml","-m 50kpps --limit 20 --cores 2",True],
["yaml/imix_3pkt_vm.yaml","-m 50kpps --limit 20 --cores 2",True],
["udp_1pkt_simple_mac_dst.py","-m 1 -l 1 ",True],
["udp_1pkt_simple_mac_src.py","-m 1 -l 1 ",True],
["udp_1pkt_simple_mac_dst_src.py","-m 1 -l 1 ",True],
["burst_3st_loop_x_times.py","-m 1 -l 20 ",True],
["udp_1pkt_mac_step.py","-m 1 -l 20 ",True],
["udp_1pkt_mac_mask1.py","-m 1 -l 20 ",True] ,
["udp_1pkt_mac_mask2.py","-m 1 -l 20 ",True],
["udp_1pkt_mac_mask3.py","-m 1 -l 20 ",True],
["udp_1pkt_simple_test2.py","-m 1 -l 10 ",True], # test split of packet with ip option
["udp_1pkt_simple_test.py","-m 1 -l 10 ",True],
["udp_1pkt_mac_mask5.py","-m 1 -l 30 ",True],
["udp_1pkt_range_clients_split_garp.py","-m 1 -l 50",True],
["udp_1pkt_src_ip_split.py","-m 1 -l 50 --cores 2",True]
];
#p = [ ["udp_1pkt_src_ip_split.py","-m 1 -l 50",True] ]
#p = [ ["udp_1pkt_src_ip_split.py","-m 1 -l 50 --cores 2",True] ]
for obj in p:
try:
test_generated = obj[3]
except: # check generated if not said otherwise
test_generated = True
self.run_py_profile_path (obj[0],obj[1],compare =obj[2], test_generated = test_generated, do_no_remove=True, do_no_remove_generated = False)
def test_hlt_profiles (self):
p = (
['hlt/hlt_udp_inc_dec_len_9k.py', '-m 1 -l 20', True],
['hlt/hlt_imix_default.py', '-m 1 -l 20', True],
['hlt/hlt_imix_4rates.py', '-m 1 -l 20', True],
['hlt/hlt_david1.py', '-m 1 -l 20', True],
['hlt/hlt_david2.py', '-m 1 -l 20', True],
['hlt/hlt_david3.py', '-m 1 -l 20', True],
['hlt/hlt_david4.py', '-m 1 -l 20', True],
['hlt/hlt_wentong1.py', '-m 1 -l 20', True],
['hlt/hlt_wentong2.py', '-m 1 -l 20', True],
['hlt/hlt_tcp_ranges.py', '-m 1 -l 20', True],
['hlt/hlt_udp_ports.py', '-m 1 -l 20', True],
['hlt/hlt_udp_random_ports.py', '-m 1 -l 20', True],
['hlt/hlt_ip_ranges.py', '-m 1 -l 20', True],
['hlt/hlt_framesize_vm.py', '-m 1 -l 20', True],
['hlt/hlt_l3_length_vm.py', '-m 1 -l 20', True],
['hlt/hlt_vlan_default.py', '-m 1 -l 20', True],
['hlt/hlt_4vlans.py', '-m 1 -l 20', True],
['hlt/hlt_vlans_vm.py', '-m 1 -l 20', True],
['hlt/hlt_ipv6_default.py', '-m 1 -l 20', True],
['hlt/hlt_ipv6_ranges.py', '-m 1 -l 20', True],
['hlt/hlt_mac_ranges.py', '-m 1 -l 20', True],
)
for obj in p:
self.run_py_profile_path (obj[0], obj[1], compare =obj[2], do_no_remove=True, do_no_remove_generated = False)
# valgrind tests - this runs in multi thread as it safe (no output)
def test_valgrind_various_profiles (self):
print("\n")
threads = []
for profile in self.valgrind_profiles:
print("\n*** VALGRIND: testing profile '{0}' ***\n".format(profile))
obj = {'t': None, 'rc': None}
t = Thread(target = self.run_sim,
kwargs = {'obj': obj, 'yaml': profile, 'output':None, 'options': "--cores 8 --limit 20 --valgrind", 'silent': True})
obj['t'] = t
threads.append(obj)
t.start()
for obj in threads:
obj['t'].join()
for obj in threads:
assert_equal(obj['rc'], True)
def test_multicore_scheduling (self):
mc_tests = ['stl/tests/single_cont.py',
'stl/tests/single_burst.py',
'stl/tests/multi_burst.py',
'stl/tests/many_streams.py',
]
for mc_test in mc_tests:
rc = self.run_sim(mc_test, output = None, options = '--test_multi_core --limit=3840 -m 27kpps', silent = True)
assert_equal(rc, True)
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