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#!/usr/bin/env python
import unittest
from framework import VppTestCase, VppTestRunner
from vpp_ip_route import VppIpTable, VppIpRoute, VppRoutePath
class TestSCTP(VppTestCase):
""" SCTP Test Case """
@classmethod
def setUpClass(cls):
super(TestSCTP, cls).setUpClass()
@classmethod
def tearDownClass(cls):
super(TestSCTP, cls).tearDownClass()
def setUp(self):
super(TestSCTP, self).setUp()
self.vapi.session_enable_disable(is_enabled=1)
self.vapi.cli("sctp enable")
self.create_loopback_interfaces(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_del(namespace_id=b"0",
sw_if_index=self.loop0.sw_if_index)
self.vapi.app_namespace_add_del(namespace_id=b"1",
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(TestSCTP, self).tearDown()
def test_sctp_transfer(self):
""" SCTP echo client/server transfer """
# 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()
# Start builtin server and client
uri = "sctp://" + self.loop0.local_ip4 + "/1234"
error = self.vapi.cli("test echo server appns 0 fifo-size 4 " +
"no-echo uri " + uri)
if error:
self.logger.critical(error)
self.assertNotIn("failed", error)
error = self.vapi.cli("test echo client mbytes 10 no-return " +
" appns 1" +
" fifo-size 4" +
" no-output test-bytes syn-timeout 3" +
" test-timeout 30" +
" uri " + uri)
if error:
self.logger.critical(error)
self.assertNotIn("failed", error)
# Delete inter-table routes
ip_t01.remove_vpp_config()
ip_t10.remove_vpp_config()
if __name__ == '__main__':
unittest.main(testRunner=VppTestRunner)
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