test/test_vcl.py

   1 #!/usr/bin/env python
   2 """ Vpp VCL tests """
   3
   4 import unittest
   5 import os
   6 import subprocess
   7 import signal
   8 from framework import VppTestCase, VppTestRunner, running_extended_tests, \
   9     Worker
  10 from vpp_ip_route import VppIpTable, VppIpRoute, VppRoutePath, DpoProto
  11
  12
  13 class VCLAppWorker(Worker):
  14     """ VCL Test Application Worker """
  15
  16     def __init__(self, build_dir, appname, args, logger, env={}):
  17         vcl_lib_dir = "%s/vpp/lib" % build_dir
  18         if "iperf" in appname:
  19             app = appname
  20             env.update({'LD_PRELOAD':
  21                         "%s/libvcl_ldpreload.so" % vcl_lib_dir})
  22         elif "sock" in appname:
  23             app = "%s/vpp/bin/%s" % (build_dir, appname)
  24             env.update({'LD_PRELOAD':
  25                         "%s/libvcl_ldpreload.so" % vcl_lib_dir})
  26         else:
  27             app = "%s/vpp/bin/%s" % (build_dir, appname)
  28         self.args = [app] + args
  29         super(VCLAppWorker, self).__init__(self.args, logger, env)
  30
  31
  32 class VCLTestCase(VppTestCase):
  33     """ VCL Test Class """
  34
  35     @classmethod
  36     def setUpClass(cls):
  37         super(VCLTestCase, cls).setUpClass()
  38
  39     @classmethod
  40     def tearDownClass(cls):
  41         super(VCLTestCase, cls).tearDownClass()
  42
  43     def setUp(self):
  44         var = "VPP_BUILD_DIR"
  45         self.build_dir = os.getenv(var, None)
  46         if self.build_dir is None:
  47             raise Exception("Environment variable `%s' not set" % var)
  48         self.vppDebug = 'vpp_debug' in self.build_dir
  49         self.server_addr = "127.0.0.1"
  50         self.server_port = "22000"
  51         self.server_args = [self.server_port]
  52         self.server_ipv6_addr = "::1"
  53         self.server_ipv6_args = ["-6", self.server_port]
  54         self.timeout = 20
  55         self.echo_phrase = "Hello, world! Jenny is a friend of mine."
  56         self.pre_test_sleep = 0.3
  57         self.post_test_sleep = 0.2
  58
  59         if os.path.isfile("/tmp/ldp_server_af_unix_socket"):
  60             os.remove("/tmp/ldp_server_af_unix_socket")
  61
  62         super(VCLTestCase, self).setUp()
  63
  64     def cut_thru_setup(self):
  65         self.vapi.session_enable_disable(is_enabled=1)
  66
  67     def cut_thru_tear_down(self):
  68         self.vapi.session_enable_disable(is_enabled=0)
  69
  70     def cut_thru_test(self, server_app, server_args, client_app, client_args):
  71         self.env = {'VCL_API_PREFIX': self.shm_prefix,
  72                     'VCL_APP_SCOPE_LOCAL': "true"}
  73
  74         worker_server = VCLAppWorker(self.build_dir, server_app, server_args,
  75                                      self.logger, self.env)
  76         worker_server.start()
  77         self.sleep(self.pre_test_sleep)
  78         worker_client = VCLAppWorker(self.build_dir, client_app, client_args,
  79                                      self.logger, self.env)
  80         worker_client.start()
  81         worker_client.join(self.timeout)
  82         try:
  83             self.validateResults(worker_client, worker_server, self.timeout)
  84         except Exception as error:
  85             self.fail("Failed with %s" % error)
  86         self.sleep(self.post_test_sleep)
  87
  88     def thru_host_stack_setup(self):
  89         self.vapi.session_enable_disable(is_enabled=1)
  90         self.create_loopback_interfaces(2)
  91
  92         table_id = 1
  93
  94         for i in self.lo_interfaces:
  95             i.admin_up()
  96
  97             if table_id != 0:
  98                 tbl = VppIpTable(self, table_id)
  99                 tbl.add_vpp_config()
 100
 101             i.set_table_ip4(table_id)
 102             i.config_ip4()
 103             table_id += 1
 104
 105         # Configure namespaces
 106         self.vapi.app_namespace_add_del(namespace_id=b"1", secret=1234,
 107                                         sw_if_index=self.loop0.sw_if_index)
 108         self.vapi.app_namespace_add_del(namespace_id=b"2", secret=5678,
 109                                         sw_if_index=self.loop1.sw_if_index)
 110
 111         # Add inter-table routes
 112         ip_t01 = VppIpRoute(self, self.loop1.local_ip4, 32,
 113                             [VppRoutePath("0.0.0.0",
 114                                           0xffffffff,
 115                                           nh_table_id=2)], table_id=1)
 116         ip_t10 = VppIpRoute(self, self.loop0.local_ip4, 32,
 117                             [VppRoutePath("0.0.0.0",
 118                                           0xffffffff,
 119                                           nh_table_id=1)], table_id=2)
 120         ip_t01.add_vpp_config()
 121         ip_t10.add_vpp_config()
 122         self.logger.debug(self.vapi.cli("show ip fib"))
 123
 124     def thru_host_stack_tear_down(self):
 125         for i in self.lo_interfaces:
 126             i.unconfig_ip4()
 127             i.set_table_ip4(0)
 128             i.admin_down()
 129
 130         self.vapi.session_enable_disable(is_enabled=0)
 131
 132     def thru_host_stack_ipv6_setup(self):
 133         self.vapi.session_enable_disable(is_enabled=1)
 134         self.create_loopback_interfaces(2)
 135
 136         table_id = 1
 137
 138         for i in self.lo_interfaces:
 139             i.admin_up()
 140
 141             tbl = VppIpTable(self, table_id, is_ip6=1)
 142             tbl.add_vpp_config()
 143
 144             i.set_table_ip6(table_id)
 145             i.config_ip6()
 146             table_id += 1
 147
 148         # Configure namespaces
 149         self.vapi.app_namespace_add_del(namespace_id=b"1", secret=1234,
 150                                         sw_if_index=self.loop0.sw_if_index)
 151         self.vapi.app_namespace_add_del(namespace_id=b"2", secret=5678,
 152                                         sw_if_index=self.loop1.sw_if_index)
 153
 154         # Add inter-table routes
 155         ip_t01 = VppIpRoute(self, self.loop1.local_ip6, 128,
 156                             [VppRoutePath("::0", 0xffffffff,
 157                                           nh_table_id=2,
 158                                           proto=DpoProto.DPO_PROTO_IP6)],
 159                             table_id=1, is_ip6=1)
 160         ip_t10 = VppIpRoute(self, self.loop0.local_ip6, 128,
 161                             [VppRoutePath("::0", 0xffffffff,
 162                                           nh_table_id=1,
 163                                           proto=DpoProto.DPO_PROTO_IP6)],
 164                             table_id=2, is_ip6=1)
 165         ip_t01.add_vpp_config()
 166         ip_t10.add_vpp_config()
 167         self.logger.debug(self.vapi.cli("show interface addr"))
 168         self.logger.debug(self.vapi.cli("show ip6 fib"))
 169
 170     def thru_host_stack_ipv6_tear_down(self):
 171         for i in self.lo_interfaces:
 172             i.unconfig_ip6()
 173             i.set_table_ip6(0)
 174             i.admin_down()
 175
 176         self.vapi.session_enable_disable(is_enabled=0)
 177
 178     def thru_host_stack_test(self, server_app, server_args,
 179                              client_app, client_args):
 180         self.env = {'VCL_API_PREFIX': self.shm_prefix,
 181                     'VCL_APP_SCOPE_GLOBAL': "true",
 182                     'VCL_APP_NAMESPACE_ID': "1",
 183                     'VCL_APP_NAMESPACE_SECRET': "1234"}
 184
 185         worker_server = VCLAppWorker(self.build_dir, server_app, server_args,
 186                                      self.logger, self.env)
 187         worker_server.start()
 188         self.sleep(self.pre_test_sleep)
 189
 190         self.env.update({'VCL_APP_NAMESPACE_ID': "2",
 191                          'VCL_APP_NAMESPACE_SECRET': "5678"})
 192         worker_client = VCLAppWorker(self.build_dir, client_app, client_args,
 193                                      self.logger, self.env)
 194         worker_client.start()
 195         worker_client.join(self.timeout)
 196
 197         try:
 198             self.validateResults(worker_client, worker_server, self.timeout)
 199         except Exception as error:
 200             self.fail("Failed with %s" % error)
 201         self.sleep(self.post_test_sleep)
 202
 203     def validateResults(self, worker_client, worker_server, timeout):
 204         if os.path.isdir('/proc/{}'.format(worker_server.process.pid)):
 205             self.logger.info("Killing server worker process (pid %d)" %
 206                              worker_server.process.pid)
 207             os.killpg(os.getpgid(worker_server.process.pid), signal.SIGKILL)
 208             worker_server.join()
 209         self.logger.info("Client worker result is `%s'" % worker_client.result)
 210         error = False
 211         if worker_client.result is None:
 212             try:
 213                 error = True
 214                 self.logger.error(
 215                     "Timeout: %ss! Killing client worker process (pid %d)" %
 216                     (timeout, worker_client.process.pid))
 217                 os.killpg(os.getpgid(worker_client.process.pid),
 218                           signal.SIGKILL)
 219                 worker_client.join()
 220             except:
 221                 self.logger.debug(
 222                     "Couldn't kill client worker process")
 223                 raise
 224         if error:
 225             raise Exception(
 226                 "Timeout! Client worker did not finish in %ss" % timeout)
 227         self.assert_equal(worker_client.result, 0, "Binary test return code")
 228
 229
 230 class LDPCutThruTestCase(VCLTestCase):
 231     """ LDP Cut Thru Tests """
 232
 233     @classmethod
 234     def setUpClass(cls):
 235         super(LDPCutThruTestCase, cls).setUpClass()
 236
 237     @classmethod
 238     def tearDownClass(cls):
 239         super(LDPCutThruTestCase, cls).tearDownClass()
 240
 241     def setUp(self):
 242         super(LDPCutThruTestCase, self).setUp()
 243
 244         self.cut_thru_setup()
 245         self.client_echo_test_args = ["-E", self.echo_phrase, "-X",
 246                                       self.server_addr, self.server_port]
 247         self.client_iperf3_timeout = 20
 248         self.client_iperf3_args = ["-V4d", "-t 2", "-c", self.server_addr]
 249         self.server_iperf3_args = ["-V4d", "-s"]
 250         self.client_uni_dir_nsock_timeout = 20
 251         self.client_uni_dir_nsock_test_args = ["-N", "1000", "-U", "-X",
 252                                                "-I", "2",
 253                                                self.server_addr,
 254                                                self.server_port]
 255         self.client_bi_dir_nsock_timeout = 20
 256         self.client_bi_dir_nsock_test_args = ["-N", "1000", "-B", "-X",
 257                                               "-I", "2",
 258                                               self.server_addr,
 259                                               self.server_port]
 260
 261     def tearDown(self):
 262         self.cut_thru_tear_down()
 263         super(LDPCutThruTestCase, self).tearDown()
 264
 265     def show_commands_at_teardown(self):
 266         self.logger.debug(self.vapi.cli("show session verbose 2"))
 267
 268     @unittest.skipUnless(running_extended_tests, "part of extended tests")
 269     def test_ldp_cut_thru_echo(self):
 270         """ run LDP cut thru echo test """
 271
 272         self.cut_thru_test("sock_test_server", self.server_args,
 273                            "sock_test_client", self.client_echo_test_args)
 274
 275     def test_ldp_cut_thru_iperf3(self):
 276         """ run LDP cut thru iperf3 test """
 277
 278         try:
 279             subprocess.check_output(['iperf3', '-v'])
 280         except subprocess.CalledProcessError:
 281             self.logger.error(
 282                 "WARNING: Subprocess returned non-0 running 'iperf3 -v")
 283             self.logger.error("         'test_ldp_cut_thru_iperf3' not run!")
 284             return
 285         except OSError as e:
 286             self.logger.error(
 287                 "WARNING: Subprocess returned with OS error (%s) %s\n"
 288                 "         'iperf3' is likely not installed,",
 289                 e.errno, e.strerror)
 290             self.logger.error("         'test_ldp_cut_thru_iperf3' not run!")
 291             return
 292         except Exception:
 293             self.logger.exception(
 294                 "Subprocess returned non-0 running 'iperf3 -v")
 295
 296         self.timeout = self.client_iperf3_timeout
 297         self.cut_thru_test("iperf3", self.server_iperf3_args,
 298                            "iperf3", self.client_iperf3_args)
 299
 300     @unittest.skipUnless(running_extended_tests, "part of extended tests")
 301     def test_ldp_cut_thru_uni_dir_nsock(self):
 302         """ run LDP cut thru uni-directional (multiple sockets) test """
 303
 304         self.timeout = self.client_uni_dir_nsock_timeout
 305         self.cut_thru_test("sock_test_server", self.server_args,
 306                            "sock_test_client",
 307                            self.client_uni_dir_nsock_test_args)
 308
 309     @unittest.skipUnless(running_extended_tests, "part of extended tests")
 310     def test_ldp_cut_thru_bi_dir_nsock(self):
 311         """ run LDP cut thru bi-directional (multiple sockets) test """
 312
 313         self.timeout = self.client_bi_dir_nsock_timeout
 314         self.cut_thru_test("sock_test_server", self.server_args,
 315                            "sock_test_client",
 316                            self.client_bi_dir_nsock_test_args)
 317
 318
 319 class VCLCutThruTestCase(VCLTestCase):
 320     """ VCL Cut Thru Tests """
 321
 322     @classmethod
 323     def setUpClass(cls):
 324         super(VCLCutThruTestCase, cls).setUpClass()
 325
 326     @classmethod
 327     def tearDownClass(cls):
 328         super(VCLCutThruTestCase, cls).tearDownClass()
 329
 330     def setUp(self):
 331         super(VCLCutThruTestCase, self).setUp()
 332
 333         self.cut_thru_setup()
 334         self.client_echo_test_args = ["-E", self.echo_phrase, "-X",
 335                                       self.server_addr, self.server_port]
 336
 337         self.client_uni_dir_nsock_timeout = 20
 338         self.client_uni_dir_nsock_test_args = ["-N", "1000", "-U", "-X",
 339                                                "-I", "2",
 340                                                self.server_addr,
 341                                                self.server_port]
 342         self.client_bi_dir_nsock_timeout = 20
 343         self.client_bi_dir_nsock_test_args = ["-N", "1000", "-B", "-X",
 344                                               "-I", "2",
 345                                               self.server_addr,
 346                                               self.server_port]
 347
 348     def tearDown(self):
 349         super(VCLCutThruTestCase, self).tearDown()
 350
 351     def show_commands_at_teardown(self):
 352         self.logger.debug(self.vapi.cli("show session verbose 2"))
 353
 354     def test_vcl_cut_thru_echo(self):
 355         """ run VCL cut thru echo test """
 356
 357         self.cut_thru_test("vcl_test_server", self.server_args,
 358                            "vcl_test_client", self.client_echo_test_args)
 359
 360     def test_vcl_cut_thru_uni_dir_nsock(self):
 361         """ run VCL cut thru uni-directional (multiple sockets) test """
 362
 363         self.timeout = self.client_uni_dir_nsock_timeout
 364         self.cut_thru_test("vcl_test_server", self.server_args,
 365                            "vcl_test_client",
 366                            self.client_uni_dir_nsock_test_args)
 367
 368     def test_vcl_cut_thru_bi_dir_nsock(self):
 369         """ run VCL cut thru bi-directional (multiple sockets) test """
 370
 371         self.timeout = self.client_bi_dir_nsock_timeout
 372         self.cut_thru_test("vcl_test_server", self.server_args,
 373                            "vcl_test_client",
 374                            self.client_bi_dir_nsock_test_args)
 375
 376
 377 class VCLThruHostStackEcho(VCLTestCase):
 378     """ VCL Thru Host Stack Echo """
 379
 380     @classmethod
 381     def setUpClass(cls):
 382         super(VCLThruHostStackEcho, cls).setUpClass()
 383
 384     @classmethod
 385     def tearDownClass(cls):
 386         super(VCLThruHostStackEcho, cls).tearDownClass()
 387
 388     def setUp(self):
 389         super(VCLThruHostStackEcho, self).setUp()
 390
 391         self.thru_host_stack_setup()
 392         self.client_bi_dir_nsock_timeout = 20
 393         self.client_bi_dir_nsock_test_args = ["-N", "1000", "-B", "-X",
 394                                               "-I", "2",
 395                                               self.loop0.local_ip4,
 396                                               self.server_port]
 397         self.client_echo_test_args = ["-E", self.echo_phrase, "-X",
 398                                       self.loop0.local_ip4,
 399                                       self.server_port]
 400
 401     def tearDown(self):
 402         self.thru_host_stack_tear_down()
 403         super(VCLThruHostStackEcho, self).tearDown()
 404
 405     def show_commands_at_teardown(self):
 406         self.logger.debug(self.vapi.cli("show app server"))
 407         self.logger.debug(self.vapi.cli("show session verbose"))
 408
 409
 410 class VCLThruHostStackTLS(VCLTestCase):
 411     """ VCL Thru Host Stack TLS """
 412
 413     @classmethod
 414     def setUpClass(cls):
 415         super(VCLThruHostStackTLS, cls).setUpClass()
 416
 417     @classmethod
 418     def tearDownClass(cls):
 419         super(VCLThruHostStackTLS, cls).tearDownClass()
 420
 421     def setUp(self):
 422         super(VCLThruHostStackTLS, self).setUp()
 423
 424         self.thru_host_stack_setup()
 425         self.client_uni_dir_tls_timeout = 20
 426         self.server_tls_args = ["-L", self.server_port]
 427         self.client_uni_dir_tls_test_args = ["-N", "1000", "-U", "-X", "-L",
 428                                              self.loop0.local_ip4,
 429                                              self.server_port]
 430
 431     def test_vcl_thru_host_stack_tls_uni_dir(self):
 432         """ run VCL thru host stack uni-directional TLS test """
 433
 434         self.timeout = self.client_uni_dir_tls_timeout
 435         self.thru_host_stack_test("vcl_test_server", self.server_tls_args,
 436                                   "vcl_test_client",
 437                                   self.client_uni_dir_tls_test_args)
 438
 439     def tearDown(self):
 440         self.thru_host_stack_tear_down()
 441         super(VCLThruHostStackTLS, self).tearDown()
 442
 443     def show_commands_at_teardown(self):
 444         self.logger.debug(self.vapi.cli("show app server"))
 445         self.logger.debug(self.vapi.cli("show session verbose 2"))
 446
 447
 448 class VCLThruHostStackBidirNsock(VCLTestCase):
 449     """ VCL Thru Host Stack Bidir Nsock """
 450
 451     @classmethod
 452     def setUpClass(cls):
 453         super(VCLThruHostStackBidirNsock, cls).setUpClass()
 454
 455     @classmethod
 456     def tearDownClass(cls):
 457         super(VCLThruHostStackBidirNsock, cls).tearDownClass()
 458
 459     def setUp(self):
 460         super(VCLThruHostStackBidirNsock, self).setUp()
 461
 462         self.thru_host_stack_setup()
 463         self.client_bi_dir_nsock_timeout = 20
 464         self.client_bi_dir_nsock_test_args = ["-N", "1000", "-B", "-X",
 465                                               "-I", "2",
 466                                               self.loop0.local_ip4,
 467                                               self.server_port]
 468         self.client_echo_test_args = ["-E", self.echo_phrase, "-X",
 469                                       self.loop0.local_ip4,
 470                                       self.server_port]
 471
 472     def tearDown(self):
 473         self.thru_host_stack_tear_down()
 474         super(VCLThruHostStackBidirNsock, self).tearDown()
 475
 476     def show_commands_at_teardown(self):
 477         self.logger.debug(self.vapi.cli("show session verbose 2"))
 478
 479     def test_vcl_thru_host_stack_bi_dir_nsock(self):
 480         """ run VCL thru host stack bi-directional (multiple sockets) test """
 481
 482         self.timeout = self.client_bi_dir_nsock_timeout
 483         self.thru_host_stack_test("vcl_test_server", self.server_args,
 484                                   "vcl_test_client",
 485                                   self.client_bi_dir_nsock_test_args)
 486
 487
 488 class LDPThruHostStackBidirNsock(VCLTestCase):
 489     """ LDP Thru Host Stack Bidir Nsock """
 490
 491     @classmethod
 492     def setUpClass(cls):
 493         super(LDPThruHostStackBidirNsock, cls).setUpClass()
 494
 495     @classmethod
 496     def tearDownClass(cls):
 497         super(LDPThruHostStackBidirNsock, cls).tearDownClass()
 498
 499     def setUp(self):
 500         super(LDPThruHostStackBidirNsock, self).setUp()
 501
 502         self.thru_host_stack_setup()
 503         if self.vppDebug:
 504             self.client_bi_dir_nsock_timeout = 20
 505             self.client_bi_dir_nsock_test_args = ["-N", "1000", "-B", "-X",
 506                                                   # OUCH! Host Stack Bug?
 507                                                   # "-I", "2",
 508                                                   self.loop0.local_ip4,
 509                                                   self.server_port]
 510         else:
 511             self.client_bi_dir_nsock_timeout = 20
 512             self.client_bi_dir_nsock_test_args = ["-N", "1000", "-B", "-X",
 513                                                   # OUCH! Host Stack Bug?
 514                                                   # "-I", "2",
 515                                                   self.loop0.local_ip4,
 516                                                   self.server_port]
 517
 518     def tearDown(self):
 519         self.thru_host_stack_tear_down()
 520         super(LDPThruHostStackBidirNsock, self).tearDown()
 521
 522     def show_commands_at_teardown(self):
 523         self.logger.debug(self.vapi.cli("show session verbose 2"))
 524
 525     def test_ldp_thru_host_stack_bi_dir_nsock(self):
 526         """ run LDP thru host stack bi-directional (multiple sockets) test """
 527
 528         self.timeout = self.client_bi_dir_nsock_timeout
 529         self.thru_host_stack_test("sock_test_server", self.server_args,
 530                                   "sock_test_client",
 531                                   self.client_bi_dir_nsock_test_args)
 532
 533
 534 class LDPThruHostStackNsock(VCLTestCase):
 535     """ LDP Thru Host Stack Nsock """
 536
 537     @classmethod
 538     def setUpClass(cls):
 539         super(LDPThruHostStackNsock, cls).setUpClass()
 540
 541     @classmethod
 542     def tearDownClass(cls):
 543         super(LDPThruHostStackNsock, cls).tearDownClass()
 544
 545     def setUp(self):
 546         super(LDPThruHostStackNsock, self).setUp()
 547
 548         self.thru_host_stack_setup()
 549         if self.vppDebug:
 550             self.client_uni_dir_nsock_timeout = 20
 551             self.numSockets = "2"
 552         else:
 553             self.client_uni_dir_nsock_timeout = 20
 554             self.numSockets = "5"
 555
 556         self.client_uni_dir_nsock_test_args = ["-N", "1000", "-U", "-X",
 557                                                "-I", self.numSockets,
 558                                                self.loop0.local_ip4,
 559                                                self.server_port]
 560
 561     def tearDown(self):
 562         self.thru_host_stack_tear_down()
 563         super(LDPThruHostStackNsock, self).tearDown()
 564
 565     def test_ldp_thru_host_stack_uni_dir_nsock(self):
 566         """ run LDP thru host stack uni-directional (multiple sockets) test """
 567
 568         self.timeout = self.client_uni_dir_nsock_timeout
 569         self.thru_host_stack_test("sock_test_server", self.server_args,
 570                                   "sock_test_client",
 571                                   self.client_uni_dir_nsock_test_args)
 572
 573
 574 class VCLThruHostStackNsock(VCLTestCase):
 575     """ VCL Thru Host Stack Nsock """
 576
 577     @classmethod
 578     def setUpClass(cls):
 579         super(VCLThruHostStackNsock, cls).setUpClass()
 580
 581     @classmethod
 582     def tearDownClass(cls):
 583         super(VCLThruHostStackNsock, cls).tearDownClass()
 584
 585     def setUp(self):
 586         super(VCLThruHostStackNsock, self).setUp()
 587
 588         self.thru_host_stack_setup()
 589         if self.vppDebug:
 590             self.client_uni_dir_nsock_timeout = 20
 591             self.numSockets = "2"
 592         else:
 593             self.client_uni_dir_nsock_timeout = 20
 594             self.numSockets = "5"
 595
 596         self.client_uni_dir_nsock_test_args = ["-N", "1000", "-U", "-X",
 597                                                "-I", self.numSockets,
 598                                                self.loop0.local_ip4,
 599                                                self.server_port]
 600
 601     def tearDown(self):
 602         self.thru_host_stack_tear_down()
 603         super(VCLThruHostStackNsock, self).tearDown()
 604
 605     def test_vcl_thru_host_stack_uni_dir_nsock(self):
 606         """ run VCL thru host stack uni-directional (multiple sockets) test """
 607
 608         self.timeout = self.client_uni_dir_nsock_timeout
 609         self.thru_host_stack_test("vcl_test_server", self.server_args,
 610                                   "vcl_test_client",
 611                                   self.client_uni_dir_nsock_test_args)
 612
 613
 614 class LDPThruHostStackIperf(VCLTestCase):
 615     """ LDP Thru Host Stack Iperf  """
 616
 617     @classmethod
 618     def setUpClass(cls):
 619         super(LDPThruHostStackIperf, cls).setUpClass()
 620
 621     @classmethod
 622     def tearDownClass(cls):
 623         super(LDPThruHostStackIperf, cls).tearDownClass()
 624
 625     def setUp(self):
 626         super(LDPThruHostStackIperf, self).setUp()
 627
 628         self.thru_host_stack_setup()
 629         self.client_iperf3_timeout = 20
 630         self.client_iperf3_args = ["-V4d", "-t 2", "-c", self.loop0.local_ip4]
 631         self.server_iperf3_args = ["-V4d", "-s"]
 632
 633     def tearDown(self):
 634         self.thru_host_stack_tear_down()
 635         super(LDPThruHostStackIperf, self).tearDown()
 636
 637     def show_commands_at_teardown(self):
 638         self.logger.debug(self.vapi.cli("show session verbose 2"))
 639
 640     def test_ldp_thru_host_stack_iperf3(self):
 641         """ run LDP thru host stack iperf3 test """
 642
 643         try:
 644             subprocess.check_output(['iperf3', '-v'])
 645         except subprocess.CalledProcessError:
 646             self.logger.error("WARNING: 'iperf3' is not installed,")
 647             self.logger.error(
 648                 "         'test_ldp_thru_host_stack_iperf3' not run!")
 649             return
 650         except OSError as e:
 651             self.logger.error("WARNING: 'iperf3' is not installed,")
 652             self.logger.error("         'test' not run!")
 653             return
 654         except Exception as e:
 655             self.logger.error("WARNING: 'iperf3' unexpected error,")
 656             self.logger.error("         'test' not run!")
 657             return
 658
 659         self.timeout = self.client_iperf3_timeout
 660         self.thru_host_stack_test("iperf3", self.server_iperf3_args,
 661                                   "iperf3", self.client_iperf3_args)
 662
 663
 664 class LDPIpv6CutThruTestCase(VCLTestCase):
 665     """ LDP IPv6 Cut Thru Tests """
 666
 667     @classmethod
 668     def setUpClass(cls):
 669         super(LDPIpv6CutThruTestCase, cls).setUpClass()
 670
 671     @classmethod
 672     def tearDownClass(cls):
 673         super(LDPIpv6CutThruTestCase, cls).tearDownClass()
 674
 675     def setUp(self):
 676         super(LDPIpv6CutThruTestCase, self).setUp()
 677
 678         self.cut_thru_setup()
 679         self.client_iperf3_timeout = 20
 680         self.client_uni_dir_nsock_timeout = 20
 681         self.client_bi_dir_nsock_timeout = 20
 682         self.client_ipv6_echo_test_args = ["-6", "-E", self.echo_phrase, "-X",
 683                                            self.server_ipv6_addr,
 684                                            self.server_port]
 685         self.client_ipv6_iperf3_args = ["-V6d", "-t 2", "-c",
 686                                         self.server_ipv6_addr]
 687         self.server_ipv6_iperf3_args = ["-V6d", "-s"]
 688         self.client_ipv6_uni_dir_nsock_test_args = ["-N", "1000", "-U", "-X",
 689                                                     "-6",
 690                                                     "-I", "2",
 691                                                     self.server_ipv6_addr,
 692                                                     self.server_port]
 693         self.client_ipv6_bi_dir_nsock_test_args = ["-N", "1000", "-B", "-X",
 694                                                    "-6",
 695                                                    "-I", "2",
 696                                                    self.server_ipv6_addr,
 697                                                    self.server_port]
 698
 699     def tearDown(self):
 700         self.cut_thru_tear_down()
 701
 702         super(LDPIpv6CutThruTestCase, self).tearDown()
 703
 704     def test_ldp_ipv6_cut_thru_echo(self):
 705         """ run LDP IPv6 cut thru echo test """
 706
 707         self.cut_thru_test("sock_test_server",
 708                            self.server_ipv6_args,
 709                            "sock_test_client",
 710                            self.client_ipv6_echo_test_args)
 711
 712     @unittest.skipUnless(running_extended_tests, "part of extended tests")
 713     def test_ldp_ipv6_cut_thru_iperf3(self):
 714         """ run LDP IPv6 cut thru iperf3 test """
 715
 716         try:
 717             subprocess.check_output(['iperf3', '-v'])
 718         except:
 719             self.logger.error("WARNING: 'iperf3' is not installed,")
 720             self.logger.error(
 721                 "         'test_ldp_ipv6_cut_thru_iperf3' not run!")
 722             return
 723
 724         self.timeout = self.client_iperf3_timeout
 725         self.cut_thru_test("iperf3", self.server_ipv6_iperf3_args,
 726                            "iperf3", self.client_ipv6_iperf3_args)
 727
 728     @unittest.skipUnless(running_extended_tests, "part of extended tests")
 729     def test_ldp_ipv6_cut_thru_uni_dir_nsock(self):
 730         """ run LDP IPv6 cut thru uni-directional (multiple sockets) test """
 731
 732         self.timeout = self.client_uni_dir_nsock_timeout
 733         self.cut_thru_test("sock_test_server", self.server_ipv6_args,
 734                            "sock_test_client",
 735                            self.client_ipv6_uni_dir_nsock_test_args)
 736
 737     @unittest.skipUnless(running_extended_tests, "part of extended tests")
 738     def test_ldp_ipv6_cut_thru_bi_dir_nsock(self):
 739         """ run LDP IPv6 cut thru bi-directional (multiple sockets) test """
 740
 741         self.timeout = self.client_bi_dir_nsock_timeout
 742         self.cut_thru_test("sock_test_server", self.server_ipv6_args,
 743                            "sock_test_client",
 744                            self.client_ipv6_bi_dir_nsock_test_args)
 745
 746
 747 class VCLIpv6CutThruTestCase(VCLTestCase):
 748     """ VCL IPv6 Cut Thru Tests """
 749
 750     @classmethod
 751     def setUpClass(cls):
 752         super(VCLIpv6CutThruTestCase, cls).setUpClass()
 753
 754     @classmethod
 755     def tearDownClass(cls):
 756         super(VCLIpv6CutThruTestCase, cls).tearDownClass()
 757
 758     def setUp(self):
 759         super(VCLIpv6CutThruTestCase, self).setUp()
 760
 761         self.cut_thru_setup()
 762         self.client_uni_dir_nsock_timeout = 20
 763         self.client_bi_dir_nsock_timeout = 20
 764         self.client_ipv6_echo_test_args = ["-6", "-E", self.echo_phrase, "-X",
 765                                            self.server_ipv6_addr,
 766                                            self.server_port]
 767         self.client_ipv6_uni_dir_nsock_test_args = ["-N", "1000", "-U", "-X",
 768                                                     "-6",
 769                                                     "-I", "2",
 770                                                     self.server_ipv6_addr,
 771                                                     self.server_port]
 772         self.client_ipv6_bi_dir_nsock_test_args = ["-N", "1000", "-B", "-X",
 773                                                    "-6",
 774                                                    "-I", "2",
 775                                                    self.server_ipv6_addr,
 776                                                    self.server_port]
 777
 778     def tearDown(self):
 779         self.cut_thru_tear_down()
 780
 781         super(VCLIpv6CutThruTestCase, self).tearDown()
 782
 783     def test_vcl_ipv6_cut_thru_echo(self):
 784         """ run VCL IPv6 cut thru echo test """
 785
 786         self.cut_thru_test("vcl_test_server",
 787                            self.server_ipv6_args,
 788                            "vcl_test_client",
 789                            self.client_ipv6_echo_test_args)
 790
 791     @unittest.skipUnless(running_extended_tests, "part of extended tests")
 792     def test_vcl_ipv6_cut_thru_uni_dir_nsock(self):
 793         """ run VCL IPv6 cut thru uni-directional (multiple sockets) test """
 794
 795         self.timeout = self.client_uni_dir_nsock_timeout
 796         self.cut_thru_test("vcl_test_server", self.server_ipv6_args,
 797                            "vcl_test_client",
 798                            self.client_ipv6_uni_dir_nsock_test_args)
 799
 800     @unittest.skipUnless(running_extended_tests, "part of extended tests")
 801     def test_vcl_ipv6_cut_thru_bi_dir_nsock(self):
 802         """ run VCL IPv6 cut thru bi-directional (multiple sockets) test """
 803
 804         self.timeout = self.client_bi_dir_nsock_timeout
 805         self.cut_thru_test("vcl_test_server", self.server_ipv6_args,
 806                            "vcl_test_client",
 807                            self.client_ipv6_bi_dir_nsock_test_args)
 808
 809
 810 class VCLIpv6ThruHostStackEcho(VCLTestCase):
 811     """ VCL IPv6 Thru Host Stack Echo """
 812
 813     @classmethod
 814     def setUpClass(cls):
 815         super(VCLIpv6ThruHostStackEcho, cls).setUpClass()
 816
 817     @classmethod
 818     def tearDownClass(cls):
 819         super(VCLIpv6ThruHostStackEcho, cls).tearDownClass()
 820
 821     def setUp(self):
 822         super(VCLIpv6ThruHostStackEcho, self).setUp()
 823
 824         self.thru_host_stack_ipv6_setup()
 825         self.client_ipv6_echo_test_args = ["-6", "-E", self.echo_phrase, "-X",
 826                                            self.loop0.local_ip6,
 827                                            self.server_port]
 828
 829     def tearDown(self):
 830         self.thru_host_stack_ipv6_tear_down()
 831         super(VCLIpv6ThruHostStackEcho, self).tearDown()
 832
 833     def test_vcl_ipv6_thru_host_stack_echo(self):
 834         """ run VCL IPv6 thru host stack echo test """
 835
 836         self.thru_host_stack_test("vcl_test_server",
 837                                   self.server_ipv6_args,
 838                                   "vcl_test_client",
 839                                   self.client_ipv6_echo_test_args)
 840
 841
 842 if __name__ == '__main__':
 843     unittest.main(testRunner=VppTestRunner)