![Hongbin Lu](/assets/img/avatar_default.png)
After forking from Ryu, the namespace needs to change from 'ryu' to 'os_ken' so that it won't collide with the namespace of the old library. Change-Id: I807a8785e525cc02825d15a1a01eec3d5d20cce4
245 lines
7.0 KiB
Python
245 lines
7.0 KiB
Python
# Copyright (C) 2012 Nippon Telegraph and Telephone Corporation.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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import six
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import binascii
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import unittest
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from nose.tools import *
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import struct
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from os_ken import exception
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from os_ken.ofproto import ofproto_common, ofproto_parser
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from os_ken.ofproto import ofproto_v1_0, ofproto_v1_0_parser
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import logging
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LOG = logging.getLogger(__name__)
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if six.PY3:
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buffer = bytes
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class TestOfproto_Parser(unittest.TestCase):
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def setUp(self):
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LOG.debug('setUp')
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self.bufHello = binascii.unhexlify('0100000800000001')
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fr = '010600b0000000020000000000000abc' \
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+ '00000100010000000000008700000fff' \
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+ '0002aefa39d2b9177472656d61302d30' \
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+ '00000000000000000000000000000000' \
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+ '000000c0000000000000000000000000' \
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+ 'fffe723f9a764cc87673775f30786162' \
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+ '63000000000000000000000100000001' \
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+ '00000082000000000000000000000000' \
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+ '00012200d6c5a1947472656d61312d30' \
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+ '00000000000000000000000000000000' \
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+ '000000c0000000000000000000000000'
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self.bufFeaturesReply = binascii.unhexlify(fr)
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pi = '010a005200000000000001010040' \
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+ '00020000000000000002000000000001' \
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+ '080045000032000000004011f967c0a8' \
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+ '0001c0a8000200010001001e00000000' \
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+ '00000000000000000000000000000000' \
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+ '00000000'
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self.bufPacketIn = binascii.unhexlify(pi)
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def tearDown(self):
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LOG.debug('tearDown')
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pass
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def testHello(self):
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(version,
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msg_type,
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msg_len,
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xid) = ofproto_parser.header(self.bufHello)
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eq_(version, 1)
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eq_(msg_type, 0)
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eq_(msg_len, 8)
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eq_(xid, 1)
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def testFeaturesReply(self):
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(version,
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msg_type,
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msg_len,
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xid) = ofproto_parser.header(self.bufFeaturesReply)
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msg = ofproto_parser.msg(self,
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version,
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msg_type,
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msg_len,
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xid,
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self.bufFeaturesReply)
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LOG.debug(msg)
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ok_(isinstance(msg, ofproto_v1_0_parser.OFPSwitchFeatures))
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LOG.debug(msg.ports[65534])
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ok_(isinstance(msg.ports[1], ofproto_v1_0_parser.OFPPhyPort))
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ok_(isinstance(msg.ports[2], ofproto_v1_0_parser.OFPPhyPort))
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ok_(isinstance(msg.ports[65534], ofproto_v1_0_parser.OFPPhyPort))
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def testPacketIn(self):
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(version,
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msg_type,
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msg_len,
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xid) = ofproto_parser.header(self.bufPacketIn)
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msg = ofproto_parser.msg(self,
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version,
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msg_type,
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msg_len,
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xid,
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self.bufPacketIn)
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LOG.debug(msg)
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ok_(isinstance(msg, ofproto_v1_0_parser.OFPPacketIn))
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@raises(AssertionError)
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def test_check_msg_len(self):
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(version,
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msg_type,
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msg_len,
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xid) = ofproto_parser.header(self.bufPacketIn)
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msg_len = len(self.bufPacketIn) + 1
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ofproto_parser.msg(self,
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version,
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msg_type,
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msg_len,
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xid,
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self.bufPacketIn)
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@raises(exception.OFPUnknownVersion)
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def test_check_msg_parser(self):
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(version,
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msg_type,
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msg_len,
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xid) = ofproto_parser.header(self.bufPacketIn)
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version = 0xff
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ofproto_parser.msg(self,
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version,
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msg_type,
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msg_len,
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xid,
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self.bufPacketIn)
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class TestMsgBase(unittest.TestCase):
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""" Test case for ofproto_parser.MsgBase
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"""
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def setUp(self):
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pass
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def tearDown(self):
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pass
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def test_init(self):
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pass
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def test_set_xid(self):
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xid = 3841413783
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c = ofproto_parser.MsgBase(object)
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c.set_xid(xid)
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eq_(xid, c.xid)
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@raises(AssertionError)
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def test_set_xid_check_xid(self):
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xid = 2160492514
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c = ofproto_parser.MsgBase(object)
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c.xid = xid
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c.set_xid(xid)
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def _test_parser(self, msg_type=ofproto_v1_0.OFPT_HELLO):
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version = ofproto_v1_0.OFP_VERSION
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msg_len = ofproto_v1_0.OFP_HEADER_SIZE
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xid = 2183948390
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data = b'\x00\x01\x02\x03'
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fmt = ofproto_v1_0.OFP_HEADER_PACK_STR
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buf = struct.pack(fmt, version, msg_type, msg_len, xid) \
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+ data
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res = ofproto_v1_0_parser.OFPHello.parser(
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object, version, msg_type, msg_len, xid, bytearray(buf))
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eq_(version, res.version)
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eq_(msg_type, res.msg_type)
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eq_(msg_len, res.msg_len)
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eq_(xid, res.xid)
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eq_(buffer(buf), res.buf)
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# test __str__()
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list_ = ('version', 'msg_type', 'msg_len', 'xid')
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check = {}
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for s in str(res).rsplit(','):
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if '=' in s:
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(k, v,) = s.rsplit('=')
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if k in list_:
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check[k] = v
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eq_(hex(ofproto_v1_0.OFP_VERSION), check['version'])
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eq_(hex(ofproto_v1_0.OFPT_HELLO), check['msg_type'])
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eq_(hex(msg_len), check['msg_len'])
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eq_(hex(xid), check['xid'])
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return True
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def test_parser(self):
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ok_(self._test_parser())
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@raises(AssertionError)
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def test_parser_check_msg_type(self):
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self._test_parser(ofproto_v1_0.OFPT_ERROR)
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def _test_serialize(self):
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class Datapath(object):
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ofproto = ofproto_v1_0
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ofproto_parser = ofproto_v1_0_parser
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c = ofproto_v1_0_parser.OFPHello(Datapath)
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c.serialize()
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eq_(ofproto_v1_0.OFP_VERSION, c.version)
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eq_(ofproto_v1_0.OFPT_HELLO, c.msg_type)
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eq_(0, c.xid)
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return True
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def test_serialize(self):
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ok_(self._test_serialize())
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class TestMsgStrAttr(unittest.TestCase):
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""" Test case for ofproto_parser.msg_str_attr
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"""
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def test_msg_str_attr(self):
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class Check(object):
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check = 'msg_str_attr_test'
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c = Check()
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buf = ''
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res = ofproto_parser.msg_str_attr(c, buf, ('check',))
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str_ = str(res)
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str_ = str_.rsplit()
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eq_('check', str_[0])
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eq_('msg_str_attr_test', str_[1])
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