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#!/usr/bin/env python
""" Vpp VCL tests """
import unittest
import os
import signal
from framework import VppTestCase, VppTestRunner, Worker
from vpp_ip_route import VppIpTable, VppIpRoute, VppRoutePath
class VclAppWorker(Worker):
""" VCL Test Application Worker """
def __init__(self, appname, args, logger, env={}):
var = "VPP_TEST_BUILD_DIR"
build_dir = os.getenv(var, None)
if build_dir is None:
raise Exception("Environment variable `%s' not set" % var)
vcl_app_dir = "%s/vpp/.libs" % build_dir
self.args = ["%s/%s" % (vcl_app_dir, appname)] + args
super(VclAppWorker, self).__init__(self.args, logger, env)
class VclTestCase(VppTestCase):
""" VCL Test Class """
def validateResults(self, worker_client, worker_server, timeout):
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! Client worker did not finish in %ss" % timeout)
os.killpg(os.getpgid(worker_client.process.pid),
signal.SIGTERM)
worker_client.join()
except:
self.logger.debug(
"Couldn't kill client worker-spawned process")
raise
if error:
os.killpg(os.getpgid(worker_server.process.pid), signal.SIGTERM)
worker_server.join()
raise Exception(
"Timeout! Client worker did not finish in %ss" % timeout)
self.assert_equal(worker_client.result, 0, "Binary test return code")
class VCLCUTTHRUTestCase(VclTestCase):
""" VPP Communications Library Test """
server_addr = "127.0.0.1"
server_port = "22000"
timeout = 3
echo_phrase = "Hello, world! Jenny is a friend of mine"
def setUp(self):
super(VCLCUTTHRUTestCase, self).setUp()
self.vapi.session_enable_disable(is_enabled=1)
def tearDown(self):
self.vapi.session_enable_disable(is_enabled=0)
super(VCLCUTTHRUTestCase, self).tearDown()
def test_vcl_cutthru(self):
""" run VCL cut-thru test """
self.env = {'VCL_API_PREFIX': self.shm_prefix,
'VCL_APP_SCOPE_LOCAL': "true"}
worker_server = VclAppWorker("vcl_test_server",
[self.server_port],
self.logger, self.env)
worker_server.start()
self.sleep(0.2)
worker_client = VclAppWorker("vcl_test_client",
[self.server_addr, self.server_port,
"-E", self.echo_phrase, "-X"],
self.logger, self.env)
worker_client.start()
worker_client.join(self.timeout)
self.validateResults(worker_client, worker_server, self.timeout)
class VCLTHRUHSTestcase(VclTestCase):
""" VCL Thru Hoststack Test """
server_port = "22000"
timeout = 3
echo_phrase = "Hello, world! Jenny is a friend of mine"
def setUp(self):
super(VCLTHRUHSTestcase, self).setUp()
self.vapi.session_enable_disable(is_enabled=1)
self.create_loopback_interfaces(range(2))
table_id = 0
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(namespace_id="0", secret=1234,
sw_if_index=self.loop0.sw_if_index)
self.vapi.app_namespace_add(namespace_id="1", secret=5678,
sw_if_index=self.loop1.sw_if_index)
def tearDown(self):
for i in self.lo_interfaces:
i.unconfig_ip4()
i.set_table_ip4(0)
i.admin_down()
self.vapi.session_enable_disable(is_enabled=0)
super(VCLTHRUHSTestcase, self).tearDown()
def test_vcl_thru_hoststack(self):
""" run VCL thru hoststack test """
self.env = {'VCL_API_PREFIX': self.shm_prefix,
'VCL_APP_SCOPE_GLOBAL': "true"}
# Add inter-table routes
ip_t01 = VppIpRoute(self, self.loop1.local_ip4, 32,
[VppRoutePath("0.0.0.0",
0xffffffff,
nh_table_id=1)])
ip_t10 = VppIpRoute(self, self.loop0.local_ip4, 32,
[VppRoutePath("0.0.0.0",
0xffffffff,
nh_table_id=0)], table_id=1)
ip_t01.add_vpp_config()
ip_t10.add_vpp_config()
self.env.update({'VCL_APP_NAMESPACE_ID': "0",
'VCL_APP_NAMESPACE_SECRET': "1234"})
worker_server = VclAppWorker("vcl_test_server",
[self.server_port],
self.logger, self.env)
worker_server.start()
self.sleep(0.2)
self.env.update({'VCL_APP_NAMESPACE_ID': "1",
'VCL_APP_NAMESPACE_SECRET': "5678"})
worker_client = VclAppWorker("vcl_test_client",
[self.loop0.local_ip4, self.server_port,
"-E", self.echo_phrase, "-X"],
self.logger, self.env)
worker_client.start()
worker_client.join(self.timeout)
self.validateResults(worker_client, worker_server, self.timeout)
if __name__ == '__main__':
unittest.main(testRunner=VppTestRunner)
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