--- /dev/null
+# Copyright (C) 2012 Nippon Telegraph and Telephone Corporation.
+#
+# 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.
+
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+
+import unittest
+import logging
+import struct
+from struct import *
+from nose.tools import *
+from ryu.ofproto import ether
+from ryu.lib.packet.ethernet import ethernet
+from ryu.lib.packet.packet import Packet
+from ryu.lib.packet.arp import arp
+from ryu.lib.packet.vlan import vlan
+from ryu.lib import addrconv
+
+
+LOG = logging.getLogger('test_arp')
+
+
+class Test_arp(unittest.TestCase):
+ """ Test case for arp
+ """
+
+ hwtype = 1
+ proto = 0x0800
+ hlen = 6
+ plen = 4
+ opcode = 1
+ src_mac = '00:07:0d:af:f4:54'
+ src_ip = '24.166.172.1'
+ dst_mac = '00:00:00:00:00:00'
+ dst_ip = '24.166.173.159'
+
+ fmt = arp._PACK_STR
+ buf = pack(fmt, hwtype, proto, hlen, plen, opcode,
+ addrconv.mac.text_to_bin(src_mac),
+ addrconv.ipv4.text_to_bin(src_ip),
+ addrconv.mac.text_to_bin(dst_mac),
+ addrconv.ipv4.text_to_bin(dst_ip))
+
+ a = arp(hwtype, proto, hlen, plen, opcode, src_mac, src_ip, dst_mac,
+ dst_ip)
+
+ def setUp(self):
+ pass
+
+ def tearDown(self):
+ pass
+
+ def find_protocol(self, pkt, name):
+ for p in pkt.protocols:
+ if p.protocol_name == name:
+ return p
+
+ def test_init(self):
+ eq_(self.hwtype, self.a.hwtype)
+ eq_(self.proto, self.a.proto)
+ eq_(self.hlen, self.a.hlen)
+ eq_(self.plen, self.a.plen)
+ eq_(self.opcode, self.a.opcode)
+ eq_(self.src_mac, self.a.src_mac)
+ eq_(self.src_ip, self.a.src_ip)
+ eq_(self.dst_mac, self.a.dst_mac)
+ eq_(self.dst_ip, self.a.dst_ip)
+
+ def test_parser(self):
+ _res = self.a.parser(self.buf)
+ if type(_res) is tuple:
+ res = _res[0]
+ else:
+ res = _res
+
+ eq_(res.hwtype, self.hwtype)
+ eq_(res.proto, self.proto)
+ eq_(res.hlen, self.hlen)
+ eq_(res.plen, self.plen)
+ eq_(res.opcode, self.opcode)
+ eq_(res.src_mac, self.src_mac)
+ eq_(res.src_ip, self.src_ip)
+ eq_(res.dst_mac, self.dst_mac)
+ eq_(res.dst_ip, self.dst_ip)
+
+ def test_serialize(self):
+ data = bytearray()
+ prev = None
+ buf = self.a.serialize(data, prev)
+
+ fmt = arp._PACK_STR
+ res = struct.unpack(fmt, buf)
+
+ eq_(res[0], self.hwtype)
+ eq_(res[1], self.proto)
+ eq_(res[2], self.hlen)
+ eq_(res[3], self.plen)
+ eq_(res[4], self.opcode)
+ eq_(res[5], addrconv.mac.text_to_bin(self.src_mac))
+ eq_(res[6], addrconv.ipv4.text_to_bin(self.src_ip))
+ eq_(res[7], addrconv.mac.text_to_bin(self.dst_mac))
+ eq_(res[8], addrconv.ipv4.text_to_bin(self.dst_ip))
+
+ def _build_arp(self, vlan_enabled):
+ if vlan_enabled is True:
+ ethertype = ether.ETH_TYPE_8021Q
+ v = vlan(1, 1, 3, ether.ETH_TYPE_ARP)
+ else:
+ ethertype = ether.ETH_TYPE_ARP
+ e = ethernet(self.dst_mac, self.src_mac, ethertype)
+ p = Packet()
+
+ p.add_protocol(e)
+ if vlan_enabled is True:
+ p.add_protocol(v)
+ p.add_protocol(self.a)
+ p.serialize()
+ return p
+
+ def test_build_arp_vlan(self):
+ p = self._build_arp(True)
+
+ e = self.find_protocol(p, "ethernet")
+ ok_(e)
+ eq_(e.ethertype, ether.ETH_TYPE_8021Q)
+
+ v = self.find_protocol(p, "vlan")
+ ok_(v)
+ eq_(v.ethertype, ether.ETH_TYPE_ARP)
+
+ a = self.find_protocol(p, "arp")
+ ok_(a)
+
+ eq_(a.hwtype, self.hwtype)
+ eq_(a.proto, self.proto)
+ eq_(a.hlen, self.hlen)
+ eq_(a.plen, self.plen)
+ eq_(a.opcode, self.opcode)
+ eq_(a.src_mac, self.src_mac)
+ eq_(a.src_ip, self.src_ip)
+ eq_(a.dst_mac, self.dst_mac)
+ eq_(a.dst_ip, self.dst_ip)
+
+ def test_build_arp_novlan(self):
+ p = self._build_arp(False)
+
+ e = self.find_protocol(p, "ethernet")
+ ok_(e)
+ eq_(e.ethertype, ether.ETH_TYPE_ARP)
+
+ a = self.find_protocol(p, "arp")
+ ok_(a)
+
+ eq_(a.hwtype, self.hwtype)
+ eq_(a.proto, self.proto)
+ eq_(a.hlen, self.hlen)
+ eq_(a.plen, self.plen)
+ eq_(a.opcode, self.opcode)
+ eq_(a.src_mac, self.src_mac)
+ eq_(a.src_ip, self.src_ip)
+ eq_(a.dst_mac, self.dst_mac)
+ eq_(a.dst_ip, self.dst_ip)
+
+ @raises(Exception)
+ def test_malformed_arp(self):
+ m_short_buf = self.buf[1:arp._MIN_LEN]
+ arp.parser(m_short_buf)
+
+ def test_json(self):
+ jsondict = self.a.to_jsondict()
+ a = arp.from_jsondict(jsondict['arp'])
+ eq_(str(self.a), str(a))
projects / vsorcdistro / .git / blobdiff