--- /dev/null
+# Copyright (C) 2015 Nippon Telegraph and Telephone Corporation.
+# Copyright (C) 2015 YAMAMOTO Takashi <yamamoto at valinux co jp>
+#
+# 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.
+
+import unittest
+
+import ryu.ofproto.ofproto_v1_3 as ofp
+
+
+class Test_OXM(unittest.TestCase):
+ def _test_encode(self, user, on_wire):
+ (f, uv) = user
+ (n, v, m) = ofp.oxm_from_user(f, uv)
+ buf = bytearray()
+ ofp.oxm_serialize(n, v, m, buf, 0)
+ self.assertEqual(on_wire, buf)
+
+ def _test_decode(self, user, on_wire):
+ (n, v, m, l) = ofp.oxm_parse(on_wire, 0)
+ self.assertEqual(len(on_wire), l)
+ (f, uv) = ofp.oxm_to_user(n, v, m)
+ self.assertEqual(user, (f, uv))
+
+ def _test_encode_header(self, user, on_wire):
+ f = user
+ n = ofp.oxm_from_user_header(f)
+ buf = bytearray()
+ ofp.oxm_serialize_header(n, buf, 0)
+ self.assertEqual(on_wire, buf)
+
+ def _test_decode_header(self, user, on_wire):
+ (n, l) = ofp.oxm_parse_header(on_wire, 0)
+ self.assertEqual(len(on_wire), l)
+ f = ofp.oxm_to_user_header(n)
+ self.assertEqual(user, f)
+
+ def _test(self, user, on_wire, header_bytes):
+ self._test_encode(user, on_wire)
+ self._test_decode(user, on_wire)
+ if isinstance(user[1], tuple): # has mask?
+ return
+ user_header = user[0]
+ on_wire_header = on_wire[:header_bytes]
+ self._test_decode_header(user_header, on_wire_header)
+ if user_header.startswith('field_'):
+ return # not supported
+ self._test_encode_header(user_header, on_wire_header)
+
+ def test_basic_nomask(self):
+ user = ('ipv4_src', '192.0.2.1')
+ on_wire = (
+ b'\x80\x00\x16\x04'
+ b'\xc0\x00\x02\x01'
+ )
+ self._test(user, on_wire, 4)
+
+ def test_basic_mask(self):
+ user = ('ipv4_src', ('192.0.2.1', '255.255.0.0'))
+ on_wire = (
+ b'\x80\x00\x17\x08'
+ b'\xc0\x00\x02\x01'
+ b'\xff\xff\x00\x00'
+ )
+ self._test(user, on_wire, 4)
+
+ def test_exp_nomask(self):
+ user = ('_dp_hash', 0x12345678)
+ on_wire = (
+ b'\xff\xff\x00\x08'
+ b'\x00\x00\x23\x20' # Nicira
+ b'\x12\x34\x56\x78'
+ )
+ self._test(user, on_wire, 8)
+
+ def test_exp_mask(self):
+ user = ('_dp_hash', (0x12345678, 0x7fffffff))
+ on_wire = (
+ b'\xff\xff\x01\x0c'
+ b'\x00\x00\x23\x20' # Nicira
+ b'\x12\x34\x56\x78'
+ b'\x7f\xff\xff\xff'
+ )
+ self._test(user, on_wire, 8)
+
+ def test_exp_nomask_2(self):
+ user = ('tcp_flags', 0x876)
+ on_wire = (
+ b'\xff\xff\x54\x06'
+ b'\x4f\x4e\x46\x00' # ONF
+ b'\x08\x76'
+ )
+ self._test(user, on_wire, 8)
+
+ def test_exp_mask_2(self):
+ user = ('tcp_flags', (0x876, 0x7ff))
+ on_wire = (
+ b'\xff\xff\x55\x08'
+ b'\x4f\x4e\x46\x00' # ONF
+ b'\x08\x76'
+ b'\x07\xff'
+ )
+ self._test(user, on_wire, 8)
+
+ def test_exp_nomask_3(self):
+ user = ('actset_output', 0x98765432)
+ on_wire = (
+ b'\xff\xff\x56\x08'
+ b'\x4f\x4e\x46\x00' # ONF
+ b'\x98\x76\x54\x32'
+ )
+ self._test(user, on_wire, 8)
+
+ def test_exp_mask_3(self):
+ user = ('actset_output', (0x98765432, 0xfffffffe))
+ on_wire = (
+ b'\xff\xff\x57\x0c'
+ b'\x4f\x4e\x46\x00' # ONF
+ b'\x98\x76\x54\x32'
+ b'\xff\xff\xff\xfe'
+ )
+ self._test(user, on_wire, 8)
+
+ def test_nxm_1_nomask(self):
+ user = ('tun_ipv4_src', '192.0.2.1')
+ on_wire = (
+ b'\x00\x01\x3e\x04'
+ b'\xc0\x00\x02\x01'
+ )
+ self._test(user, on_wire, 4)
+
+ def test_nxm_1_mask(self):
+ user = ('tun_ipv4_src', ('192.0.2.1', '255.255.0.0'))
+ on_wire = (
+ b'\x00\x01\x3f\x08'
+ b'\xc0\x00\x02\x01'
+ b'\xff\xff\x00\x00'
+ )
+ self._test(user, on_wire, 4)
+
+ def test_ext_256_nomask(self):
+ user = ('pbb_uca', 50)
+ on_wire = (
+ b'\xff\xff\x00\x07'
+ b'\x4f\x4e\x46\x00' # ONF
+ b'\x0a\x00'
+ b'\x32'
+ )
+ self._test(user, on_wire, 10)
+
+ def test_ext_256_mask(self):
+ user = ('pbb_uca', (50, 51))
+ on_wire = (
+ b'\xff\xff\x01\x08'
+ b'\x4f\x4e\x46\x00' # ONF
+ b'\x0a\x00'
+ b'\x32'
+ b'\x33'
+ )
+ self._test(user, on_wire, 10)
+
+ def test_basic_unknown_nomask(self):
+ user = ('field_100', 'aG9nZWhvZ2U=')
+ on_wire = (
+ b'\x00\x00\xc8\x08'
+ b'hogehoge'
+ )
+ self._test(user, on_wire, 4)
+
+ def test_basic_unknown_mask(self):
+ user = ('field_100', ('aG9nZWhvZ2U=', 'ZnVnYWZ1Z2E='))
+ on_wire = (
+ b'\x00\x00\xc9\x10'
+ b'hogehoge'
+ b'fugafuga'
+ )
+ self._test(user, on_wire, 4)
projects / vsorcdistro / .git / blobdiff