#!/usr/bin/env python3 """ Vpp VCL tests """ import unittest import os import subprocess import signal from framework import VppTestCase, VppTestRunner, running_extended_tests, \ 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 """ def __init__(self, build_dir, appname, args, logger, env={}): vcl_lib_dir = "%s/vpp/lib" % build_dir if "iperf" in appname: app = appname env.update({'LD_PRELOAD': "%s/libvcl_ldpreload.so" % vcl_lib_dir}) elif "sock" in appname: app = "%s/vpp/bin/%s" % (build_dir, appname) env.update({'LD_PRELOAD': "%s/libvcl_ldpreload.so" % vcl_lib_dir}) else: app = "%s/vpp/bin/%s" % (build_dir, appname) self.args = [app] + args super(VCLAppWorker, self).__init__(self.args, logger, env) class VCLTestCase(VppTestCase): """ VCL Test Class """ @classmethod def setUpClass(cls): super(VCLTestCase, cls).setUpClass() @classmethod def tearDownClass(cls): super(VCLTestCase, cls).tearDownClass() def setUp(self): var = "VPP_BUILD_DIR" self.build_dir = os.getenv(var, None) if self.build_dir is None: raise EnvironmentError("Environment variable `%s' not set" % var) self.vppDebug = 'vpp_debug' in self.build_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 if os.path.isfile("/tmp/ldp_server_af_unix_socket"): os.remove("/tmp/ldp_server_af_unix_socket") super(VCLTestCase, self).setUp() def cut_thru_setup(self): self.vapi.session_enable_disable(is_enabled=1) def cut_thru_tear_down(self): self.vapi.session_enable_disable(is_enabled=0) def cut_thru_test(self, server_app, server_args, client_app, client_args): self.env = {'VCL_API_PREFIX': self.shm_prefix, 'VCL_APP_SCOPE_LOCAL': "true"} worker_server = VCLAppWorker(self.build_dir, server_app, server_args, self.logger, self.env) worker_server.start() self.sleep(self.pre_test_sleep) worker_client = VCLAppWorker(self.build_dir, client_app, client_args, self.logger, self.env) 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_enabled=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=b"1", secret=1234, sw_if_index=self.loop0.sw_if_index) self.vapi.app_namespace_add_del(namespace_id=b"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() def thru_host_stack_ipv6_setup(self): self.vapi.session_enable_disable(is_enabled=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=b"1", secret=1234, sw_if_index=self.loop0.sw_if_index) self.vapi.app_namespace_add_del(namespace_id=b"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_enabled=0) @unittest.skipUnless(_have_iperf3, "'%s' not found, Skipping.") def thru_host_stack_test(self, server_app, server_args, client_app, client_args): self.env = {'VCL_API_PREFIX': self.shm_prefix, 'VCL_APP_SCOPE_GLOBAL': "true", 'VCL_APP_NAMESPACE_ID': "1", 'VCL_APP_NAMESPACE_SECRET': "1234"} worker_server = VCLAppWorker(self.build_dir, server_app, server_args, self.logger, self.env) worker_server.start() self.sleep(self.pre_test_sleep) self.env.update({'VCL_APP_NAMESPACE_ID': "2", 'VCL_APP_NAMESPACE_SECRET': "5678"}) worker_client = VCLAppWorker(self.build_dir, client_app, client_args, self.logger, self.env) 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): 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 = ["-V4d", "-t 2", "-c", self.server_addr] self.server_iperf3_args = ["-V4d", "-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] 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")) @unittest.skipUnless(running_extended_tests, "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) @unittest.skipUnless(_have_iperf3, "'%s' not found, Skipping.") 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(running_extended_tests, "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", s
/*
 * test.c : MAP unit tests
 *
 * Copyright (c) 2016 Cisco and/or its affiliates.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at:
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include <assert.h>
#include "map.h"

static map_domain_t *
get_domain(ip4_address_t * ip4_prefix, u8 ip4_prefix_len,
	   ip6_address_t * ip6_prefix, u8 ip6_prefix_len,
	   ip6_address_t * ip6_src, u8 ip6_src_len,
	   u8 ea_bits_len, u8 psid_offset,
	   u8 psid_length, u16 mtu, u8 flags)
{
  map_domain_t * d = malloc(sizeof(*d));
  u8 suffix_len;

  /* EA bits must be within the first 64 bits */
  if (ea_bits_len > 0 && (ip6_prefix_len + ea_bits_len) > 64)
    return NULL;

  /* Init domain struct */
  d->ip4_prefix.as_u32 = ip4_prefix->as_u32;
  d->ip4_prefix_len = ip4_prefix_len;
  d->ip6_prefix = *ip6_prefix;
  d->ip6_prefix_len = ip6_prefix_len;
  d->ip6_src = *ip6_src;
  d->ip6_src_len = ip6_src_len;
  d->ea_bits_len = ea_bits_len;
  d->psid_offset = psid_offset;
  d->psid_length = psid_length;
  d->mtu = mtu;
  d->flags = flags;

  /* How many, and which bits to grab from the IPv4 DA */
  if (ip4_prefix_len + ea_bits_len < 32)
    {
      if (!(flags & MAP_DOMAIN_TRANSLATION))
        d->flags |= MAP_DOMAIN_PREFIX;
      d->suffix_shift = 32 - ip4_prefix_len - ea_bits_len;
      suffix_len = ea_bits_len;
    }
  else
    {
      d->suffix_shift = 0;
      suffix_len = 32 - ip4_prefix_len;
    }
  d->suffix_mask = (1 << suffix_len) - 1;

  d->psid_shift = 16 - psid_length - psid_offset;
  d->psid_mask = (1 << d->psid_length) - 1;

  if (ip6_prefix_len + suffix_len + d->psid_length > 64)
    return NULL;

  d->ea_shift = 64 - ip6_prefix_len - suffix_len - d->psid_length;

  return d;
}


/*
 * VPP-340:
 * map_add_domain ip4-pfx 20.0.0.0/8 ip6-pfx 2001:db8::/40 ip6-src 2001:db8:ffff::/96 ea-bits-len 24 psid-offset 0 psid-len 0 map-t
 * IPv4 src = 100.0.0.1
 * IPv4 dst = 20.169.201.219
 * UDP dest port = 1232
 * IPv6 src = 2001:db8:ffff::6400:1
 * IPv6 dst = a9c9:dfb8::14a9:c9db:0
 * a9c9:dfb8::14a9:c9db:0 != 2001:db8:a9:c9db:0:14a9:c9db:0
 */
static void
test_map_t_destaddr (void)
{
  ip4_address_t ip4_prefix;
  ip6_address_t ip6_prefix;
  ip6_address_t ip6_src;

  ip4_prefix.as_u32 = clib_host_to_net_u32(0x14000000);
  ip6_prefix.as_u64[0] = clib_host_to_net_u64(0x20010db800000000);
  ip6_prefix.as_u64[1] = 0;