tests: initial asf framework refactoring for 'make test'
[vpp.git] / test / test_vcl.py
diff --git a/test/test_vcl.py b/test/test_vcl.py
deleted file mode 100644 (file)
index fa1b7b8..0000000
+++ /dev/null
@@ -1,1240 +0,0 @@
-#!/usr/bin/env python3
-""" Vpp VCL tests """
-
-import unittest
-import os
-import subprocess
-import signal
-import glob
-from config import config
-from framework import VppTestCase, VppTestRunner, Worker
-from vpp_ip_route import VppIpTable, VppIpRoute, VppRoutePath, FibPathProto
-
-iperf3 = "/usr/bin/iperf3"
-
-
-def have_app(app):
-    try:
-        subprocess.check_output([app, "-v"])
-    except (subprocess.CalledProcessError, OSError):
-        return False
-    return True
-
-
-_have_iperf3 = have_app(iperf3)
-
-
-class VCLAppWorker(Worker):
-    """VCL Test Application Worker"""
-
-    libname = "libvcl_ldpreload.so"
-
-    class LibraryNotFound(Exception):
-        pass
-
-    def __init__(
-        self, appname, executable_args, logger, env=None, role=None, *args, **kwargs
-    ):
-        self.role = role
-        vcl_ldpreload_glob = f"{config.vpp_install_dir}/**/{self.libname}"
-        vcl_ldpreload_so = glob.glob(vcl_ldpreload_glob, recursive=True)
-
-        if len(vcl_ldpreload_so) < 1:
-            raise LibraryNotFound("cannot locate library: {}".format(self.libname))
-
-        vcl_ldpreload_so = vcl_ldpreload_so[0]
-
-        if env is None:
-            env = {}
-        if "iperf" in appname:
-            app = appname
-            env.update({"LD_PRELOAD": vcl_ldpreload_so})
-        elif "sock" in appname:
-            app = f"{config.vpp_build_dir}/vpp/bin/{appname}"
-            env.update({"LD_PRELOAD": vcl_ldpreload_so})
-        else:
-            app = f"{config.vpp_build_dir}/vpp/bin/{appname}"
-        self.args = [app] + executable_args
-        super(VCLAppWorker, self).__init__(self.args, logger, env, *args, **kwargs)
-
-
-class VCLTestCase(VppTestCase):
-    """VCL Test Class"""
-
-    session_startup = ["poll-main"]
-
-    @classmethod
-    def setUpClass(cls):
-        if cls.session_startup:
-            conf = "session {" + " ".join(cls.session_startup) + "}"
-            cls.extra_vpp_punt_config = [conf]
-        super(VCLTestCase, cls).setUpClass()
-
-    @classmethod
-    def tearDownClass(cls):
-        super(VCLTestCase, cls).tearDownClass()
-
-    def setUp(self):
-        self.vppDebug = "vpp_debug" in config.vpp_install_dir
-        self.server_addr = "127.0.0.1"
-        self.server_port = "22000"
-        self.server_args = [self.server_port]
-        self.server_ipv6_addr = "::1"
-        self.server_ipv6_args = ["-6", self.server_port]
-        self.timeout = 20
-        self.echo_phrase = "Hello, world! Jenny is a friend of mine."
-        self.pre_test_sleep = 0.3
-        self.post_test_sleep = 0.2
-        self.sapi_client_sock = ""
-        self.sapi_server_sock = ""
-
-        if os.path.isfile("/tmp/ldp_server_af_unix_socket"):
-            os.remove("/tmp/ldp_server_af_unix_socket")
-
-        super(VCLTestCase, self).setUp()
-
-    def update_vcl_app_env(self, ns_id, ns_secret, attach_sock):
-        if not ns_id:
-            if "VCL_APP_NAMESPACE_ID" in self.vcl_app_env:
-                del self.vcl_app_env["VCL_APP_NAMESPACE_ID"]
-        else:
-            self.vcl_app_env["VCL_APP_NAMESPACE_ID"] = ns_id
-
-        if not ns_secret:
-            if "VCL_APP_NAMESPACE_SECRET" in self.vcl_app_env:
-                del self.vcl_app_env["VCL_APP_NAMESPACE_SECRET"]
-        else:
-            self.vcl_app_env["VCL_APP_NAMESPACE_SECRET"] = ns_secret
-
-        if not attach_sock:
-            self.vcl_app_env["VCL_VPP_API_SOCKET"] = self.get_api_sock_path()
-            if "VCL_VPP_SAPI_SOCKET" in self.vcl_app_env:
-                del self.vcl_app_env["VCL_VPP_SAPI_SOCKET"]
-        else:
-            sapi_sock = "%s/app_ns_sockets/%s" % (self.tempdir, attach_sock)
-            self.vcl_app_env["VCL_VPP_SAPI_SOCKET"] = sapi_sock
-            if "VCL_VPP_API_SOCKET" in self.vcl_app_env:
-                del self.vcl_app_env["VCL_VPP_API_SOCKET"]
-
-    def cut_thru_setup(self):
-        self.vapi.session_enable_disable(is_enable=1)
-
-    def cut_thru_tear_down(self):
-        self.vapi.session_enable_disable(is_enable=0)
-
-    def cut_thru_test(self, server_app, server_args, client_app, client_args):
-        self.vcl_app_env = {"VCL_APP_SCOPE_LOCAL": "true"}
-
-        self.update_vcl_app_env("", "", self.sapi_server_sock)
-        worker_server = VCLAppWorker(
-            server_app, server_args, self.logger, self.vcl_app_env, "server"
-        )
-        worker_server.start()
-        self.sleep(self.pre_test_sleep)
-
-        self.update_vcl_app_env("", "", self.sapi_client_sock)
-        worker_client = VCLAppWorker(
-            client_app, client_args, self.logger, self.vcl_app_env, "client"
-        )
-        worker_client.start()
-        worker_client.join(self.timeout)
-        try:
-            self.validateResults(worker_client, worker_server, self.timeout)
-        except Exception as error:
-            self.fail("Failed with %s" % error)
-        self.sleep(self.post_test_sleep)
-
-    def thru_host_stack_setup(self):
-        self.vapi.session_enable_disable(is_enable=1)
-        self.create_loopback_interfaces(2)
-
-        table_id = 1
-
-        for i in self.lo_interfaces:
-            i.admin_up()
-
-            if table_id != 0:
-                tbl = VppIpTable(self, table_id)
-                tbl.add_vpp_config()
-
-            i.set_table_ip4(table_id)
-            i.config_ip4()
-            table_id += 1
-
-        # Configure namespaces
-        self.vapi.app_namespace_add_del(
-            namespace_id="1", secret=1234, sw_if_index=self.loop0.sw_if_index
-        )
-        self.vapi.app_namespace_add_del(
-            namespace_id="2", secret=5678, sw_if_index=self.loop1.sw_if_index
-        )
-
-        # Add inter-table routes
-        ip_t01 = VppIpRoute(
-            self,
-            self.loop1.local_ip4,
-            32,
-            [VppRoutePath("0.0.0.0", 0xFFFFFFFF, nh_table_id=2)],
-            table_id=1,
-        )
-        ip_t10 = VppIpRoute(
-            self,
-            self.loop0.local_ip4,
-            32,
-            [VppRoutePath("0.0.0.0", 0xFFFFFFFF, nh_table_id=1)],
-            table_id=2,
-        )
-        ip_t01.add_vpp_config()
-        ip_t10.add_vpp_config()
-        self.logger.debug(self.vapi.cli("show ip fib"))
-
-    def thru_host_stack_tear_down(self):
-        for i in self.lo_interfaces:
-            i.unconfig_ip4()
-            i.set_table_ip4(0)
-            i.admin_down()
-            i.remove_vpp_config()
-
-    def thru_host_stack_ipv6_setup(self):
-        self.vapi.session_enable_disable(is_enable=1)
-        self.create_loopback_interfaces(2)
-
-        table_id = 1
-
-        for i in self.lo_interfaces:
-            i.admin_up()
-
-            tbl = VppIpTable(self, table_id, is_ip6=1)
-            tbl.add_vpp_config()
-
-            i.set_table_ip6(table_id)
-            i.config_ip6()
-            table_id += 1
-
-        # Configure namespaces
-        self.vapi.app_namespace_add_del(
-            namespace_id="1", secret=1234, sw_if_index=self.loop0.sw_if_index
-        )
-        self.vapi.app_namespace_add_del(
-            namespace_id="2", secret=5678, sw_if_index=self.loop1.sw_if_index
-        )
-
-        # Add inter-table routes
-        ip_t01 = VppIpRoute(
-            self,
-            self.loop1.local_ip6,
-            128,
-            [VppRoutePath("::0", 0xFFFFFFFF, nh_table_id=2)],
-            table_id=1,
-        )
-        ip_t10 = VppIpRoute(
-            self,
-            self.loop0.local_ip6,
-            128,
-            [VppRoutePath("::0", 0xFFFFFFFF, nh_table_id=1)],
-            table_id=2,
-        )
-        ip_t01.add_vpp_config()
-        ip_t10.add_vpp_config()
-        self.logger.debug(self.vapi.cli("show interface addr"))
-        self.logger.debug(self.vapi.cli("show ip6 fib"))
-
-    def thru_host_stack_ipv6_tear_down(self):
-        for i in self.lo_interfaces:
-            i.unconfig_ip6()
-            i.set_table_ip6(0)
-            i.admin_down()
-
-        self.vapi.session_enable_disable(is_enable=0)
-
-    @unittest.skipUnless(_have_iperf3, "'%s' not found, Skipping.")
-    def thru_host_stack_test(self, server_app, server_args, client_app, client_args):
-        self.vcl_app_env = {"VCL_APP_SCOPE_GLOBAL": "true"}
-
-        self.update_vcl_app_env("1", "1234", self.sapi_server_sock)
-        worker_server = VCLAppWorker(
-            server_app, server_args, self.logger, self.vcl_app_env, "server"
-        )
-        worker_server.start()
-        self.sleep(self.pre_test_sleep)
-
-        self.update_vcl_app_env("2", "5678", self.sapi_client_sock)
-        worker_client = VCLAppWorker(
-            client_app, client_args, self.logger, self.vcl_app_env, "client"
-        )
-        worker_client.start()
-        worker_client.join(self.timeout)
-
-        try:
-            self.validateResults(worker_client, worker_server, self.timeout)
-        except Exception as error:
-            self.fail("Failed with %s" % error)
-        self.sleep(self.post_test_sleep)
-
-    def validateResults(self, worker_client, worker_server, timeout):
-        if worker_server.process is None:
-            raise RuntimeError("worker_server is not running.")
-        if os.path.isdir("/proc/{}".format(worker_server.process.pid)):
-            self.logger.info(
-                "Killing server worker process (pid %d)" % worker_server.process.pid
-            )
-            os.killpg(os.getpgid(worker_server.process.pid), signal.SIGTERM)
-            worker_server.join()
-        self.logger.info("Client worker result is `%s'" % worker_client.result)
-        error = False
-        if worker_client.result is None:
-            try:
-                error = True
-                self.logger.error(
-                    "Timeout: %ss! Killing client worker process (pid %d)"
-                    % (timeout, worker_client.process.pid)
-                )
-                os.killpg(os.getpgid(worker_client.process.pid), signal.SIGKILL)
-                worker_client.join()
-            except OSError:
-                self.logger.debug("Couldn't kill client worker process")
-                raise
-        if error:
-            raise RuntimeError("Timeout! Client worker did not finish in %ss" % timeout)
-        self.assert_equal(worker_client.result, 0, "Binary test return code")
-
-
-class LDPCutThruTestCase(VCLTestCase):
-    """LDP Cut Thru Tests"""
-
-    @classmethod
-    def setUpClass(cls):
-        cls.session_startup = ["poll-main", "use-app-socket-api"]
-        super(LDPCutThruTestCase, cls).setUpClass()
-
-    @classmethod
-    def tearDownClass(cls):
-        super(LDPCutThruTestCase, cls).tearDownClass()
-
-    def setUp(self):
-        super(LDPCutThruTestCase, self).setUp()
-
-        self.cut_thru_setup()
-        self.client_echo_test_args = [
-            "-E",
-            self.echo_phrase,
-            "-X",
-            self.server_addr,
-            self.server_port,
-        ]
-        self.client_iperf3_timeout = 20
-        self.client_iperf3_args = ["-4", "-t 2", "-c", self.server_addr]
-        self.server_iperf3_args = ["-4", "-s"]
-        self.client_uni_dir_nsock_timeout = 20
-        self.client_uni_dir_nsock_test_args = [
-            "-N",
-            "1000",
-            "-U",
-            "-X",
-            "-I",
-            "2",
-            self.server_addr,
-            self.server_port,
-        ]
-        self.client_bi_dir_nsock_timeout = 20
-        self.client_bi_dir_nsock_test_args = [
-            "-N",
-            "1000",
-            "-B",
-            "-X",
-            "-I",
-            "2",
-            self.server_addr,
-            self.server_port,
-        ]
-        self.sapi_client_sock = "default"
-        self.sapi_server_sock = "default"
-
-    def tearDown(self):
-        super(LDPCutThruTestCase, self).tearDown()
-        self.cut_thru_tear_down()
-
-    def show_commands_at_teardown(self):
-        self.logger.debug(self.vapi.cli("show session verbose 2"))
-        self.logger.debug(self.vapi.cli("show app mq"))
-
-    @unittest.skipUnless(config.extended, "part of extended tests")
-    def test_ldp_cut_thru_echo(self):
-        """run LDP cut thru echo test"""
-
-        self.cut_thru_test(
-            "sock_test_server",
-            self.server_args,
-            "sock_test_client",
-            self.client_echo_test_args,
-        )
-
-    def test_ldp_cut_thru_iperf3(self):
-        """run LDP cut thru iperf3 test"""
-
-        self.timeout = self.client_iperf3_timeout
-        self.cut_thru_test(
-            iperf3, self.server_iperf3_args, iperf3, self.client_iperf3_args
-        )
-
-    @unittest.skipUnless(config.extended, "part of extended tests")
-    def test_ldp_cut_thru_uni_dir_nsock(self):
-        """run LDP cut thru uni-directional (multiple sockets) test"""
-
-        self.timeout = self.client_uni_dir_nsock_timeout
-        self.cut_thru_test(
-            "sock_test_server",
-            self.server_args,
-            "sock_test_client",
-            self.client_uni_dir_nsock_test_args,
-        )
-
-    @unittest.skipUnless(config.extended, "part of extended tests")
-    @unittest.skip("sock test apps need to be improved")
-    def test_ldp_cut_thru_bi_dir_nsock(self):
-        """run LDP cut thru bi-directional (multiple sockets) test"""
-
-        self.timeout = self.client_bi_dir_nsock_timeout
-        self.cut_thru_test(
-            "sock_test_server",
-            self.server_args,
-            "sock_test_client",
-            self.client_bi_dir_nsock_test_args,
-        )
-
-
-class VCLCutThruTestCase(VCLTestCase):
-    """VCL Cut Thru Tests"""
-
-    @classmethod
-    def setUpClass(cls):
-        super(VCLCutThruTestCase, cls).setUpClass()
-
-    @classmethod
-    def tearDownClass(cls):
-        super(VCLCutThruTestCase, cls).tearDownClass()
-
-    def setUp(self):
-        super(VCLCutThruTestCase, self).setUp()
-
-        self.cut_thru_setup()
-        self.client_echo_test_args = [
-            "-E",
-            self.echo_phrase,
-            "-X",
-            self.server_addr,
-            self.server_port,
-        ]
-
-        self.client_uni_dir_nsock_timeout = 20
-        self.client_uni_dir_nsock_test_args = [
-            "-N",
-            "1000",
-            "-U",
-            "-X",
-            "-I",
-            "2",
-            self.server_addr,
-            self.server_port,
-        ]
-        self.client_bi_dir_nsock_timeout = 20
-        self.client_bi_dir_nsock_test_args = [
-            "-N",
-            "1000",
-            "-B",
-            "-X",
-            "-I",
-            "2",
-            self.server_addr,
-            self.server_port,
-        ]
-
-    def tearDown(self):
-        super(VCLCutThruTestCase, self).tearDown()
-
-    def show_commands_at_teardown(self):
-        self.logger.debug(self.vapi.cli("show session verbose 2"))
-        self.logger.debug(self.vapi.cli("show app mq"))
-
-    def test_vcl_cut_thru_echo(self):
-        """run VCL cut thru echo test"""
-
-        self.cut_thru_test(
-            "vcl_test_server",
-            self.server_args,
-            "vcl_test_client",
-            self.client_echo_test_args,
-        )
-
-    def test_vcl_cut_thru_uni_dir_nsock(self):
-        """run VCL cut thru uni-directional (multiple sockets) test"""
-
-        self.timeout = self.client_uni_dir_nsock_timeout
-        self.cut_thru_test(
-            "vcl_test_server",
-            self.server_args,
-            "vcl_test_client",
-            self.client_uni_dir_nsock_test_args,
-        )
-
-    def test_vcl_cut_thru_bi_dir_nsock(self):
-        """run VCL cut thru bi-directional (multiple sockets) test"""
-
-        self.timeout = self.client_bi_dir_nsock_timeout
-        self.cut_thru_test(
-            "vcl_test_server",
-            self.server_args,
-            "vcl_test_client",
-            self.client_bi_dir_nsock_test_args,
-        )
-
-
-class VCLThruHostStackEcho(VCLTestCase):
-    """VCL Thru Host Stack Echo"""
-
-    @classmethod
-    def setUpClass(cls):
-        super(VCLThruHostStackEcho, cls).setUpClass()
-
-    @classmethod
-    def tearDownClass(cls):
-        super(VCLThruHostStackEcho, cls).tearDownClass()
-
-    def setUp(self):
-        super(VCLThruHostStackEcho, self).setUp()
-
-        self.thru_host_stack_setup()
-        self.client_bi_dir_nsock_timeout = 20
-        self.client_bi_dir_nsock_test_args = [
-            "-N",
-            "1000",
-            "-B",
-            "-X",
-            "-I",
-            "2",
-            self.loop0.local_ip4,
-            self.server_port,
-        ]
-        self.client_echo_test_args = [
-            "-E",
-            self.echo_phrase,
-            "-X",
-            self.loop0.local_ip4,
-            self.server_port,
-        ]
-
-    def tearDown(self):
-        self.thru_host_stack_tear_down()
-        super(VCLThruHostStackEcho, self).tearDown()
-
-    def test_vcl_thru_host_stack_echo(self):
-        """run VCL IPv4 thru host stack echo test"""
-
-        self.thru_host_stack_test(
-            "vcl_test_server",
-            self.server_args,
-            "vcl_test_client",
-            self.client_echo_test_args,
-        )
-
-    def show_commands_at_teardown(self):
-        self.logger.debug(self.vapi.cli("show app server"))
-        self.logger.debug(self.vapi.cli("show session verbose"))
-        self.logger.debug(self.vapi.cli("show app mq"))
-
-
-class VCLThruHostStackTLS(VCLTestCase):
-    """VCL Thru Host Stack TLS"""
-
-    @classmethod
-    def setUpClass(cls):
-        cls.session_startup = ["poll-main", "use-app-socket-api"]
-        super(VCLThruHostStackTLS, cls).setUpClass()
-
-    @classmethod
-    def tearDownClass(cls):
-        super(VCLThruHostStackTLS, cls).tearDownClass()
-
-    def setUp(self):
-        super(VCLThruHostStackTLS, self).setUp()
-
-        self.thru_host_stack_setup()
-        self.client_uni_dir_tls_timeout = 20
-        self.server_tls_args = ["-L", self.server_port]
-        self.client_uni_dir_tls_test_args = [
-            "-N",
-            "1000",
-            "-U",
-            "-X",
-            "-L",
-            self.loop0.local_ip4,
-            self.server_port,
-        ]
-        self.sapi_server_sock = "1"
-        self.sapi_client_sock = "2"
-
-    def test_vcl_thru_host_stack_tls_uni_dir(self):
-        """run VCL thru host stack uni-directional TLS test"""
-
-        self.timeout = self.client_uni_dir_tls_timeout
-        self.thru_host_stack_test(
-            "vcl_test_server",
-            self.server_tls_args,
-            "vcl_test_client",
-            self.client_uni_dir_tls_test_args,
-        )
-
-    def tearDown(self):
-        self.thru_host_stack_tear_down()
-        super(VCLThruHostStackTLS, self).tearDown()
-
-    def show_commands_at_teardown(self):
-        self.logger.debug(self.vapi.cli("show app server"))
-        self.logger.debug(self.vapi.cli("show session verbose 2"))
-        self.logger.debug(self.vapi.cli("show app mq"))
-
-
-class VCLThruHostStackTLSInterruptMode(VCLThruHostStackTLS):
-    """VCL Thru Host Stack TLS interrupt mode"""
-
-    @classmethod
-    def setUpClass(cls):
-        cls.session_startup = ["poll-main", "use-app-socket-api", "use-private-rx-mqs"]
-        super(VCLThruHostStackTLS, cls).setUpClass()
-
-
-class VCLThruHostStackDTLS(VCLTestCase):
-    """VCL Thru Host Stack DTLS"""
-
-    @classmethod
-    def setUpClass(cls):
-        super(VCLThruHostStackDTLS, cls).setUpClass()
-
-    @classmethod
-    def tearDownClass(cls):
-        super(VCLThruHostStackDTLS, cls).tearDownClass()
-
-    def setUp(self):
-        super(VCLThruHostStackDTLS, self).setUp()
-
-        self.thru_host_stack_setup()
-        self.client_uni_dir_dtls_timeout = 20
-        self.server_dtls_args = ["-p", "dtls", self.server_port]
-        self.client_uni_dir_dtls_test_args = [
-            "-N",
-            "1000",
-            "-U",
-            "-X",
-            "-p",
-            "dtls",
-            "-T 1400",
-            self.loop0.local_ip4,
-            self.server_port,
-        ]
-
-    def test_vcl_thru_host_stack_dtls_uni_dir(self):
-        """run VCL thru host stack uni-directional DTLS test"""
-
-        self.timeout = self.client_uni_dir_dtls_timeout
-        self.thru_host_stack_test(
-            "vcl_test_server",
-            self.server_dtls_args,
-            "vcl_test_client",
-            self.client_uni_dir_dtls_test_args,
-        )
-
-    def tearDown(self):
-        self.thru_host_stack_tear_down()
-        super(VCLThruHostStackDTLS, self).tearDown()
-
-    def show_commands_at_teardown(self):
-        self.logger.debug(self.vapi.cli("show app server"))
-        self.logger.debug(self.vapi.cli("show session verbose 2"))
-        self.logger.debug(self.vapi.cli("show app mq"))
-
-
-class VCLThruHostStackQUIC(VCLTestCase):
-    """VCL Thru Host Stack QUIC"""
-
-    @classmethod
-    def setUpClass(cls):
-        cls.extra_vpp_plugin_config.append("plugin quic_plugin.so { enable }")
-        super(VCLThruHostStackQUIC, cls).setUpClass()
-
-    @classmethod
-    def tearDownClass(cls):
-        super(VCLThruHostStackQUIC, cls).tearDownClass()
-
-    def setUp(self):
-        super(VCLThruHostStackQUIC, self).setUp()
-
-        self.thru_host_stack_setup()
-        self.client_uni_dir_quic_timeout = 20
-        self.server_quic_args = ["-p", "quic", self.server_port]
-        self.client_uni_dir_quic_test_args = [
-            "-N",
-            "1000",
-            "-U",
-            "-X",
-            "-p",
-            "quic",
-            self.loop0.local_ip4,
-            self.server_port,
-        ]
-
-    @unittest.skipUnless(config.extended, "part of extended tests")
-    def test_vcl_thru_host_stack_quic_uni_dir(self):
-        """run VCL thru host stack uni-directional QUIC test"""
-
-        self.timeout = self.client_uni_dir_quic_timeout
-        self.thru_host_stack_test(
-            "vcl_test_server",
-            self.server_quic_args,
-            "vcl_test_client",
-            self.client_uni_dir_quic_test_args,
-        )
-
-    def tearDown(self):
-        self.thru_host_stack_tear_down()
-        super(VCLThruHostStackQUIC, self).tearDown()
-
-    def show_commands_at_teardown(self):
-        self.logger.debug(self.vapi.cli("show app server"))
-        self.logger.debug(self.vapi.cli("show session verbose 2"))
-        self.logger.debug(self.vapi.cli("show app mq"))
-
-
-class VCLThruHostStackBidirNsock(VCLTestCase):
-    """VCL Thru Host Stack Bidir Nsock"""
-
-    @classmethod
-    def setUpClass(cls):
-        super(VCLThruHostStackBidirNsock, cls).setUpClass()
-
-    @classmethod
-    def tearDownClass(cls):
-        super(VCLThruHostStackBidirNsock, cls).tearDownClass()
-
-    def setUp(self):
-        super(VCLThruHostStackBidirNsock, self).setUp()
-
-        self.thru_host_stack_setup()
-        self.client_bi_dir_nsock_timeout = 20
-        self.client_bi_dir_nsock_test_args = [
-            "-N",
-            "1000",
-            "-B",
-            "-X",
-            "-I",
-            "2",
-            self.loop0.local_ip4,
-            self.server_port,
-        ]
-        self.client_echo_test_args = [
-            "-E",
-            self.echo_phrase,
-            "-X",
-            self.loop0.local_ip4,
-            self.server_port,
-        ]
-
-    def tearDown(self):
-        self.thru_host_stack_tear_down()
-        super(VCLThruHostStackBidirNsock, self).tearDown()
-
-    def show_commands_at_teardown(self):
-        self.logger.debug(self.vapi.cli("show session verbose 2"))
-        self.logger.debug(self.vapi.cli("show app mq"))
-
-    def test_vcl_thru_host_stack_bi_dir_nsock(self):
-        """run VCL thru host stack bi-directional (multiple sockets) test"""
-
-        self.timeout = self.client_bi_dir_nsock_timeout
-        self.thru_host_stack_test(
-            "vcl_test_server",
-            self.server_args,
-            "vcl_test_client",
-            self.client_bi_dir_nsock_test_args,
-        )
-
-
-class LDPThruHostStackBidirNsock(VCLTestCase):
-    """LDP Thru Host Stack Bidir Nsock"""
-
-    @classmethod
-    def setUpClass(cls):
-        super(LDPThruHostStackBidirNsock, cls).setUpClass()
-
-    @classmethod
-    def tearDownClass(cls):
-        super(LDPThruHostStackBidirNsock, cls).tearDownClass()
-
-    def setUp(self):
-        super(LDPThruHostStackBidirNsock, self).setUp()
-
-        self.thru_host_stack_setup()
-        self.client_bi_dir_nsock_timeout = 20
-        self.client_bi_dir_nsock_test_args = [
-            "-N",
-            "1000",
-            "-B",
-            "-X",
-            # OUCH! Host Stack Bug?
-            # Only fails when running
-            # 'make test TEST_JOBS=auto'
-            # or TEST_JOBS > 1
-            # "-I", "2",
-            self.loop0.local_ip4,
-            self.server_port,
-        ]
-
-    def tearDown(self):
-        self.thru_host_stack_tear_down()
-        super(LDPThruHostStackBidirNsock, self).tearDown()
-
-    def show_commands_at_teardown(self):
-        self.logger.debug(self.vapi.cli("show session verbose 2"))
-        self.logger.debug(self.vapi.cli("show app mq"))
-
-    def test_ldp_thru_host_stack_bi_dir_nsock(self):
-        """run LDP thru host stack bi-directional (multiple sockets) test"""
-
-        self.timeout = self.client_bi_dir_nsock_timeout
-        self.thru_host_stack_test(
-            "sock_test_server",
-            self.server_args,
-            "sock_test_client",
-            self.client_bi_dir_nsock_test_args,
-        )
-
-
-class LDPThruHostStackNsock(VCLTestCase):
-    """LDP Thru Host Stack Nsock"""
-
-    @classmethod
-    def setUpClass(cls):
-        super(LDPThruHostStackNsock, cls).setUpClass()
-
-    @classmethod
-    def tearDownClass(cls):
-        super(LDPThruHostStackNsock, cls).tearDownClass()
-
-    def setUp(self):
-        super(LDPThruHostStackNsock, self).setUp()
-
-        self.thru_host_stack_setup()
-        if self.vppDebug:
-            self.client_uni_dir_nsock_timeout = 20
-            self.numSockets = "2"
-        else:
-            self.client_uni_dir_nsock_timeout = 20
-            self.numSockets = "5"
-
-        self.client_uni_dir_nsock_test_args = [
-            "-N",
-            "1000",
-            "-U",
-            "-X",
-            "-I",
-            self.numSockets,
-            self.loop0.local_ip4,
-            self.server_port,
-        ]
-
-    def tearDown(self):
-        self.thru_host_stack_tear_down()
-        super(LDPThruHostStackNsock, self).tearDown()
-
-    def test_ldp_thru_host_stack_uni_dir_nsock(self):
-        """run LDP thru host stack uni-directional (multiple sockets) test"""
-
-        self.timeout = self.client_uni_dir_nsock_timeout
-        self.thru_host_stack_test(
-            "sock_test_server",
-            self.server_args,
-            "sock_test_client",
-            self.client_uni_dir_nsock_test_args,
-        )
-
-
-class VCLThruHostStackNsock(VCLTestCase):
-    """VCL Thru Host Stack Nsock"""
-
-    @classmethod
-    def setUpClass(cls):
-        super(VCLThruHostStackNsock, cls).setUpClass()
-
-    @classmethod
-    def tearDownClass(cls):
-        super(VCLThruHostStackNsock, cls).tearDownClass()
-
-    def setUp(self):
-        super(VCLThruHostStackNsock, self).setUp()
-
-        self.thru_host_stack_setup()
-        if self.vppDebug:
-            self.client_uni_dir_nsock_timeout = 20
-            self.numSockets = "2"
-        else:
-            self.client_uni_dir_nsock_timeout = 20
-            self.numSockets = "5"
-
-        self.client_uni_dir_nsock_test_args = [
-            "-N",
-            "1000",
-            "-U",
-            "-X",
-            "-I",
-            self.numSockets,
-            self.loop0.local_ip4,
-            self.server_port,
-        ]
-
-    def tearDown(self):
-        self.thru_host_stack_tear_down()
-        super(VCLThruHostStackNsock, self).tearDown()
-
-    def test_vcl_thru_host_stack_uni_dir_nsock(self):
-        """run VCL thru host stack uni-directional (multiple sockets) test"""
-
-        self.timeout = self.client_uni_dir_nsock_timeout
-        self.thru_host_stack_test(
-            "vcl_test_server",
-            self.server_args,
-            "vcl_test_client",
-            self.client_uni_dir_nsock_test_args,
-        )
-
-
-class LDPThruHostStackIperf(VCLTestCase):
-    """LDP Thru Host Stack Iperf"""
-
-    @classmethod
-    def setUpClass(cls):
-        super(LDPThruHostStackIperf, cls).setUpClass()
-
-    @classmethod
-    def tearDownClass(cls):
-        super(LDPThruHostStackIperf, cls).tearDownClass()
-
-    def setUp(self):
-        super(LDPThruHostStackIperf, self).setUp()
-
-        self.thru_host_stack_setup()
-        self.client_iperf3_timeout = 20
-        self.client_iperf3_args = ["-4", "-t 2", "-c", self.loop0.local_ip4]
-        self.server_iperf3_args = ["-4", "-s"]
-
-    def tearDown(self):
-        self.thru_host_stack_tear_down()
-        super(LDPThruHostStackIperf, self).tearDown()
-
-    def show_commands_at_teardown(self):
-        self.logger.debug(self.vapi.cli("show session verbose 2"))
-        self.logger.debug(self.vapi.cli("show app mq"))
-
-    @unittest.skipUnless(_have_iperf3, "'%s' not found, Skipping.")
-    def test_ldp_thru_host_stack_iperf3(self):
-        """run LDP thru host stack iperf3 test"""
-
-        self.timeout = self.client_iperf3_timeout
-        self.thru_host_stack_test(
-            iperf3, self.server_iperf3_args, iperf3, self.client_iperf3_args
-        )
-
-    @unittest.skipUnless(_have_iperf3, "'%s' not found, Skipping.")
-    def test_ldp_thru_host_stack_iperf3_mss(self):
-        """run LDP thru host stack iperf3 test with mss option"""
-
-        self.timeout = self.client_iperf3_timeout
-        self.client_iperf3_args.append("-M 1000")
-        self.thru_host_stack_test(
-            iperf3, self.server_iperf3_args, iperf3, self.client_iperf3_args
-        )
-
-
-class LDPThruHostStackIperfUdp(VCLTestCase):
-    """LDP Thru Host Stack Iperf UDP"""
-
-    @classmethod
-    def setUpClass(cls):
-        super(LDPThruHostStackIperfUdp, cls).setUpClass()
-
-    @classmethod
-    def tearDownClass(cls):
-        super(LDPThruHostStackIperfUdp, cls).tearDownClass()
-
-    def setUp(self):
-        super(LDPThruHostStackIperfUdp, self).setUp()
-
-        self.thru_host_stack_setup()
-        self.client_iperf3_timeout = 20
-        self.client_iperf3_args = [
-            "-4",
-            "-t 2",
-            "-u",
-            "-l 1400",
-            "-c",
-            self.loop0.local_ip4,
-        ]
-        self.server_iperf3_args = ["-4", "-s"]
-
-    def tearDown(self):
-        self.thru_host_stack_tear_down()
-        super(LDPThruHostStackIperfUdp, self).tearDown()
-
-    def show_commands_at_teardown(self):
-        self.logger.debug(self.vapi.cli("show session verbose 2"))
-        self.logger.debug(self.vapi.cli("show app mq"))
-
-    @unittest.skipUnless(_have_iperf3, "'%s' not found, Skipping.")
-    def test_ldp_thru_host_stack_iperf3_udp(self):
-        """run LDP thru host stack iperf3 UDP test"""
-
-        self.timeout = self.client_iperf3_timeout
-        self.thru_host_stack_test(
-            iperf3, self.server_iperf3_args, iperf3, self.client_iperf3_args
-        )
-
-
-class LDPIpv6CutThruTestCase(VCLTestCase):
-    """LDP IPv6 Cut Thru Tests"""
-
-    @classmethod
-    def setUpClass(cls):
-        super(LDPIpv6CutThruTestCase, cls).setUpClass()
-
-    @classmethod
-    def tearDownClass(cls):
-        super(LDPIpv6CutThruTestCase, cls).tearDownClass()
-
-    def show_commands_at_teardown(self):
-        self.logger.debug(self.vapi.cli("show session verbose 2"))
-        self.logger.debug(self.vapi.cli("show app mq"))
-
-    def setUp(self):
-        super(LDPIpv6CutThruTestCase, self).setUp()
-
-        self.cut_thru_setup()
-        self.client_iperf3_timeout = 20
-        self.client_uni_dir_nsock_timeout = 20
-        self.client_bi_dir_nsock_timeout = 20
-        self.client_ipv6_echo_test_args = [
-            "-6",
-            "-E",
-            self.echo_phrase,
-            "-X",
-            self.server_ipv6_addr,
-            self.server_port,
-        ]
-        self.client_ipv6_iperf3_args = ["-6", "-t 2", "-c", self.server_ipv6_addr]
-        self.server_ipv6_iperf3_args = ["-6", "-s"]
-        self.client_ipv6_uni_dir_nsock_test_args = [
-            "-N",
-            "1000",
-            "-U",
-            "-X",
-            "-6",
-            "-I",
-            "2",
-            self.server_ipv6_addr,
-            self.server_port,
-        ]
-        self.client_ipv6_bi_dir_nsock_test_args = [
-            "-N",
-            "1000",
-            "-B",
-            "-X",
-            "-6",
-            "-I",
-            "2",
-            self.server_ipv6_addr,
-            self.server_port,
-        ]
-
-    def tearDown(self):
-        super(LDPIpv6CutThruTestCase, self).tearDown()
-        self.cut_thru_tear_down()
-
-    @unittest.skipUnless(config.extended, "part of extended tests")
-    def test_ldp_ipv6_cut_thru_echo(self):
-        """run LDP IPv6 cut thru echo test"""
-
-        self.cut_thru_test(
-            "sock_test_server",
-            self.server_ipv6_args,
-            "sock_test_client",
-            self.client_ipv6_echo_test_args,
-        )
-
-    @unittest.skipUnless(_have_iperf3, "'%s' not found, Skipping.")
-    def test_ldp_ipv6_cut_thru_iperf3(self):
-        """run LDP IPv6 cut thru iperf3 test"""
-
-        self.timeout = self.client_iperf3_timeout
-        self.cut_thru_test(
-            iperf3, self.server_ipv6_iperf3_args, iperf3, self.client_ipv6_iperf3_args
-        )
-
-    @unittest.skipUnless(config.extended, "part of extended tests")
-    def test_ldp_ipv6_cut_thru_uni_dir_nsock(self):
-        """run LDP IPv6 cut thru uni-directional (multiple sockets) test"""
-
-        self.timeout = self.client_uni_dir_nsock_timeout
-        self.cut_thru_test(
-            "sock_test_server",
-            self.server_ipv6_args,
-            "sock_test_client",
-            self.client_ipv6_uni_dir_nsock_test_args,
-        )
-
-    @unittest.skipUnless(config.extended, "part of extended tests")
-    @unittest.skip("sock test apps need to be improved")
-    def test_ldp_ipv6_cut_thru_bi_dir_nsock(self):
-        """run LDP IPv6 cut thru bi-directional (multiple sockets) test"""
-
-        self.timeout = self.client_bi_dir_nsock_timeout
-        self.cut_thru_test(
-            "sock_test_server",
-            self.server_ipv6_args,
-            "sock_test_client",
-            self.client_ipv6_bi_dir_nsock_test_args,
-        )
-
-
-class VCLIpv6CutThruTestCase(VCLTestCase):
-    """VCL IPv6 Cut Thru Tests"""
-
-    @classmethod
-    def setUpClass(cls):
-        super(VCLIpv6CutThruTestCase, cls).setUpClass()
-
-    @classmethod
-    def tearDownClass(cls):
-        super(VCLIpv6CutThruTestCase, cls).tearDownClass()
-
-    def show_commands_at_teardown(self):
-        self.logger.debug(self.vapi.cli("show session verbose 2"))
-        self.logger.debug(self.vapi.cli("show app mq"))
-
-    def setUp(self):
-        super(VCLIpv6CutThruTestCase, self).setUp()
-
-        self.cut_thru_setup()
-        self.client_uni_dir_nsock_timeout = 20
-        self.client_bi_dir_nsock_timeout = 20
-        self.client_ipv6_echo_test_args = [
-            "-6",
-            "-E",
-            self.echo_phrase,
-            "-X",
-            self.server_ipv6_addr,
-            self.server_port,
-        ]
-        self.client_ipv6_uni_dir_nsock_test_args = [
-            "-N",
-            "1000",
-            "-U",
-            "-X",
-            "-6",
-            "-I",
-            "2",
-            self.server_ipv6_addr,
-            self.server_port,
-        ]
-        self.client_ipv6_bi_dir_nsock_test_args = [
-            "-N",
-            "1000",
-            "-B",
-            "-X",
-            "-6",
-            "-I",
-            "2",
-            self.server_ipv6_addr,
-            self.server_port,
-        ]
-
-    def tearDown(self):
-        super(VCLIpv6CutThruTestCase, self).tearDown()
-        self.cut_thru_tear_down()
-
-    def show_commands_at_teardown(self):
-        self.logger.debug(self.vapi.cli("show session verbose 2"))
-        self.logger.debug(self.vapi.cli("show app mq"))
-
-    def test_vcl_ipv6_cut_thru_echo(self):
-        """run VCL IPv6 cut thru echo test"""
-
-        self.cut_thru_test(
-            "vcl_test_server",
-            self.server_ipv6_args,
-            "vcl_test_client",
-            self.client_ipv6_echo_test_args,
-        )
-
-    @unittest.skipUnless(config.extended, "part of extended tests")
-    def test_vcl_ipv6_cut_thru_uni_dir_nsock(self):
-        """run VCL IPv6 cut thru uni-directional (multiple sockets) test"""
-
-        self.timeout = self.client_uni_dir_nsock_timeout
-        self.cut_thru_test(
-            "vcl_test_server",
-            self.server_ipv6_args,
-            "vcl_test_client",
-            self.client_ipv6_uni_dir_nsock_test_args,
-        )
-
-    @unittest.skipUnless(config.extended, "part of extended tests")
-    def test_vcl_ipv6_cut_thru_bi_dir_nsock(self):
-        """run VCL IPv6 cut thru bi-directional (multiple sockets) test"""
-
-        self.timeout = self.client_bi_dir_nsock_timeout
-        self.cut_thru_test(
-            "vcl_test_server",
-            self.server_ipv6_args,
-            "vcl_test_client",
-            self.client_ipv6_bi_dir_nsock_test_args,
-        )
-
-
-class VCLIpv6ThruHostStackEcho(VCLTestCase):
-    """VCL IPv6 Thru Host Stack Echo"""
-
-    @classmethod
-    def setUpClass(cls):
-        super(VCLIpv6ThruHostStackEcho, cls).setUpClass()
-
-    @classmethod
-    def tearDownClass(cls):
-        super(VCLIpv6ThruHostStackEcho, cls).tearDownClass()
-
-    def setUp(self):
-        super(VCLIpv6ThruHostStackEcho, self).setUp()
-
-        self.thru_host_stack_ipv6_setup()
-        self.client_ipv6_echo_test_args = [
-            "-6",
-            "-E",
-            self.echo_phrase,
-            "-X",
-            self.loop0.local_ip6,
-            self.server_port,
-        ]
-
-    def tearDown(self):
-        self.thru_host_stack_ipv6_tear_down()
-        super(VCLIpv6ThruHostStackEcho, self).tearDown()
-
-    def test_vcl_ipv6_thru_host_stack_echo(self):
-        """run VCL IPv6 thru host stack echo test"""
-
-        self.thru_host_stack_test(
-            "vcl_test_server",
-            self.server_ipv6_args,
-            "vcl_test_client",
-            self.client_ipv6_echo_test_args,
-        )
-
-
-if __name__ == "__main__":
-    unittest.main(testRunner=VppTestRunner)