| #!/usr/bin/env python |
| # Copyright 2013, Big Switch Networks, Inc. |
| # |
| # LoxiGen is licensed under the Eclipse Public License, version 1.0 (EPL), with |
| # the following special exception: |
| # |
| # LOXI Exception |
| # |
| # As a special exception to the terms of the EPL, you may distribute libraries |
| # generated by LoxiGen (LoxiGen Libraries) under the terms of your choice, provided |
| # that copyright and licensing notices generated by LoxiGen are not altered or removed |
| # from the LoxiGen Libraries and the notice provided below is (i) included in |
| # the LoxiGen Libraries, if distributed in source code form and (ii) included in any |
| # documentation for the LoxiGen Libraries, if distributed in binary form. |
| # |
| # Notice: "Copyright 2013, Big Switch Networks, Inc. This library was generated by the LoxiGen Compiler." |
| # |
| # You may not use this file except in compliance with the EPL or LOXI Exception. You may obtain |
| # a copy of the EPL at: |
| # |
| # http://www.eclipse.org/legal/epl-v10.html |
| # |
| # 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 |
| # EPL for the specific language governing permissions and limitations |
| # under the EPL. |
| import unittest |
| |
| try: |
| import loxi.of10 as ofp |
| except ImportError: |
| exit("loxi package not found. Try setting PYTHONPATH.") |
| |
| class TestImports(unittest.TestCase): |
| def test_toplevel(self): |
| import loxi |
| self.assertTrue(hasattr(loxi, "ProtocolError")) |
| ofp = loxi.protocol(1) |
| self.assertEquals(ofp.OFP_VERSION, 1) |
| self.assertTrue(hasattr(ofp, "action")) |
| self.assertTrue(hasattr(ofp, "common")) |
| self.assertTrue(hasattr(ofp, "const")) |
| self.assertTrue(hasattr(ofp, "message")) |
| |
| def test_version(self): |
| import loxi |
| self.assertTrue(hasattr(loxi.of10, "ProtocolError")) |
| self.assertTrue(hasattr(loxi.of10, "OFP_VERSION")) |
| self.assertEquals(loxi.of10.OFP_VERSION, 1) |
| self.assertTrue(hasattr(loxi.of10, "action")) |
| self.assertTrue(hasattr(loxi.of10, "common")) |
| self.assertTrue(hasattr(loxi.of10, "const")) |
| self.assertTrue(hasattr(loxi.of10, "message")) |
| |
| class TestActions(unittest.TestCase): |
| def test_output_pack(self): |
| expected = "\x00\x00\x00\x08\xff\xf8\xff\xff" |
| action = ofp.action.output(port=ofp.OFPP_IN_PORT, max_len=0xffff) |
| self.assertEquals(expected, action.pack()) |
| |
| def test_output_unpack(self): |
| # Normal case |
| buf = "\x00\x00\x00\x08\xff\xf8\xff\xff" |
| action = ofp.action.output.unpack(buf) |
| self.assertEqual(action.port, ofp.OFPP_IN_PORT) |
| self.assertEqual(action.max_len, 0xffff) |
| |
| # Invalid length |
| buf = "\x00\x00\x00\x09\xff\xf8\xff\xff\x00" |
| with self.assertRaises(ofp.ProtocolError): |
| ofp.action.output.unpack(buf) |
| |
| def test_output_equality(self): |
| action = ofp.action.output(port=1, max_len=0x1234) |
| action2 = ofp.action.output(port=1, max_len=0x1234) |
| self.assertEquals(action, action2) |
| |
| action2.port = 2 |
| self.assertNotEquals(action, action2) |
| action2.port = 1 |
| |
| action2.max_len = 0xffff |
| self.assertNotEquals(action, action2) |
| action2.max_len = 0x1234 |
| |
| def test_output_show(self): |
| action = ofp.action.output(port=1, max_len=0x1234) |
| expected = "output { port = 1, max_len = 0x1234 }" |
| self.assertEquals(expected, action.show()) |
| |
| def test_bsn_set_tunnel_dst_pack(self): |
| expected = ''.join([ |
| "\xff\xff", "\x00\x10", # type/length |
| "\x00\x5c\x16\xc7", # experimenter |
| "\x00\x00\x00\x02", # subtype |
| "\x12\x34\x56\x78" # dst |
| ]) |
| action = ofp.action.bsn_set_tunnel_dst(dst=0x12345678) |
| self.assertEquals(expected, action.pack()) |
| |
| def test_bsn_set_tunnel_dst_unpack(self): |
| buf = ''.join([ |
| "\xff\xff", "\x00\x10", # type/length |
| "\x00\x5c\x16\xc7", # experimenter |
| "\x00\x00\x00\x02", # subtype |
| "\x12\x34\x56\x78" # dst |
| ]) |
| action = ofp.action.bsn_set_tunnel_dst.unpack(buf) |
| self.assertEqual(action.subtype, 2) |
| self.assertEqual(action.dst, 0x12345678) |
| |
| # Assumes action serialization/deserialization works |
| class TestActionList(unittest.TestCase): |
| def test_normal(self): |
| expected = [] |
| bufs = [] |
| |
| def add(action): |
| expected.append(action) |
| bufs.append(action.pack()) |
| |
| add(ofp.action.output(port=1, max_len=0xffff)) |
| add(ofp.action.output(port=2, max_len=0xffff)) |
| add(ofp.action.output(port=ofp.OFPP_IN_PORT, max_len=0xffff)) |
| add(ofp.action.bsn_set_tunnel_dst(dst=0x12345678)) |
| add(ofp.action.nicira_dec_ttl()) |
| |
| actions = ofp.action.unpack_list(''.join(bufs)) |
| self.assertEquals(actions, expected) |
| |
| def test_empty_list(self): |
| self.assertEquals(ofp.action.unpack_list(''), []) |
| |
| def test_invalid_list_length(self): |
| buf = '\x00' * 9 |
| with self.assertRaisesRegexp(ofp.ProtocolError, 'not a multiple of 8'): |
| ofp.action.unpack_list(buf) |
| |
| def test_invalid_action_length(self): |
| buf = '\x00' * 8 |
| with self.assertRaisesRegexp(ofp.ProtocolError, 'is less than the header length'): |
| ofp.action.unpack_list(buf) |
| |
| buf = '\x00\x00\x00\x04' |
| with self.assertRaisesRegexp(ofp.ProtocolError, 'not a multiple of 8'): |
| ofp.action.unpack_list(buf) |
| |
| buf = '\x00\x00\x00\x10\x00\x00\x00\x00' |
| with self.assertRaisesRegexp(ofp.ProtocolError, 'overrun'): |
| ofp.action.unpack_list(buf) |
| |
| def test_invalid_action_type(self): |
| buf = '\xff\xfe\x00\x08\x00\x00\x00\x00' |
| with self.assertRaisesRegexp(ofp.ProtocolError, 'unknown action type'): |
| ofp.action.unpack_list(buf) |
| |
| class TestConstants(unittest.TestCase): |
| def test_ports(self): |
| self.assertEquals(0xffff, ofp.OFPP_NONE) |
| |
| def test_wildcards(self): |
| self.assertEquals(0xfc000, ofp.OFPFW_NW_DST_MASK) |
| |
| class TestCommon(unittest.TestCase): |
| def test_port_desc_pack(self): |
| obj = ofp.port_desc(port_no=ofp.OFPP_CONTROLLER, |
| hw_addr=[1,2,3,4,5,6], |
| name="foo", |
| config=ofp.OFPPC_NO_FLOOD, |
| state=ofp.OFPPS_STP_FORWARD, |
| curr=ofp.OFPPF_10MB_HD, |
| advertised=ofp.OFPPF_1GB_FD, |
| supported=ofp.OFPPF_AUTONEG, |
| peer=ofp.OFPPF_PAUSE_ASYM) |
| expected = ''.join([ |
| '\xff\xfd', # port_no |
| '\x01\x02\x03\x04\x05\x06', # hw_addr |
| 'foo'.ljust(16, '\x00'), # name |
| '\x00\x00\x00\x10', # config |
| '\x00\x00\x02\x00', # state |
| '\x00\x00\x00\x01', # curr |
| '\x00\x00\x00\x20', # advertised |
| '\x00\x00\x02\x00', # supported |
| '\x00\x00\x08\x00', # peer |
| ]) |
| self.assertEquals(expected, obj.pack()) |
| |
| def test_port_desc_unpack(self): |
| buf = ''.join([ |
| '\xff\xfd', # port_no |
| '\x01\x02\x03\x04\x05\x06', # hw_addr |
| 'foo'.ljust(16, '\x00'), # name |
| '\x00\x00\x00\x10', # config |
| '\x00\x00\x02\x00', # state |
| '\x00\x00\x00\x01', # curr |
| '\x00\x00\x00\x20', # advertised |
| '\x00\x00\x02\x00', # supported |
| '\x00\x00\x08\x00', # peer |
| ]) |
| obj = ofp.port_desc.unpack(buf) |
| self.assertEquals(ofp.OFPP_CONTROLLER, obj.port_no) |
| self.assertEquals('foo', obj.name) |
| self.assertEquals(ofp.OFPPF_PAUSE_ASYM, obj.peer) |
| |
| def test_table_stats_entry_pack(self): |
| obj = ofp.table_stats_entry(table_id=3, |
| name="foo", |
| wildcards=ofp.OFPFW_ALL, |
| max_entries=5, |
| active_count=2, |
| lookup_count=1099511627775, |
| matched_count=9300233470495232273L) |
| expected = ''.join([ |
| '\x03', # table_id |
| '\x00\x00\x00', # pad |
| 'foo'.ljust(32, '\x00'), # name |
| '\x00\x3f\xFF\xFF', # wildcards |
| '\x00\x00\x00\x05', # max_entries |
| '\x00\x00\x00\x02', # active_count |
| '\x00\x00\x00\xff\xff\xff\xff\xff', # lookup_count |
| '\x81\x11\x11\x11\x11\x11\x11\x11', # matched_count |
| ]) |
| self.assertEquals(expected, obj.pack()) |
| |
| def test_table_stats_entry_unpack(self): |
| buf = ''.join([ |
| '\x03', # table_id |
| '\x00\x00\x00', # pad |
| 'foo'.ljust(32, '\x00'), # name |
| '\x00\x3f\xFF\xFF', # wildcards |
| '\x00\x00\x00\x05', # max_entries |
| '\x00\x00\x00\x02', # active_count |
| '\x00\x00\x00\xff\xff\xff\xff\xff', # lookup_count |
| '\x81\x11\x11\x11\x11\x11\x11\x11', # matched_count |
| ]) |
| obj = ofp.table_stats_entry.unpack(buf) |
| self.assertEquals(3, obj.table_id) |
| self.assertEquals('foo', obj.name) |
| self.assertEquals(9300233470495232273L, obj.matched_count) |
| |
| def test_flow_stats_entry_pack(self): |
| obj = ofp.flow_stats_entry(table_id=3, |
| match=ofp.match(), |
| duration_sec=1, |
| duration_nsec=2, |
| priority=100, |
| idle_timeout=5, |
| hard_timeout=10, |
| cookie=0x0123456789abcdef, |
| packet_count=10, |
| byte_count=1000, |
| actions=[ofp.action.output(port=1), |
| ofp.action.output(port=2)]) |
| expected = ''.join([ |
| '\x00\x68', # length |
| '\x03', # table_id |
| '\x00', # pad |
| '\x00\x3f\xff\xff', # match.wildcards |
| '\x00' * 36, # remaining match fields |
| '\x00\x00\x00\x01', # duration_sec |
| '\x00\x00\x00\x02', # duration_nsec |
| '\x00\x64', # priority |
| '\x00\x05', # idle_timeout |
| '\x00\x0a', # hard_timeout |
| '\x00' * 6, # pad2 |
| '\x01\x23\x45\x67\x89\xab\xcd\xef', # cookie |
| '\x00\x00\x00\x00\x00\x00\x00\x0a', # packet_count |
| '\x00\x00\x00\x00\x00\x00\x03\xe8', # byte_count |
| '\x00\x00', # actions[0].type |
| '\x00\x08', # actions[0].len |
| '\x00\x01', # actions[0].port |
| '\x00\x00', # actions[0].max_len |
| '\x00\x00', # actions[1].type |
| '\x00\x08', # actions[1].len |
| '\x00\x02', # actions[1].port |
| '\x00\x00', # actions[1].max_len |
| ]) |
| self.assertEquals(expected, obj.pack()) |
| |
| def test_flow_stats_entry_unpack(self): |
| buf = ''.join([ |
| '\x00\x68', # length |
| '\x03', # table_id |
| '\x00', # pad |
| '\x00\x3f\xff\xff', # match.wildcards |
| '\x00' * 36, # remaining match fields |
| '\x00\x00\x00\x01', # duration_sec |
| '\x00\x00\x00\x02', # duration_nsec |
| '\x00\x64', # priority |
| '\x00\x05', # idle_timeout |
| '\x00\x0a', # hard_timeout |
| '\x00' * 6, # pad2 |
| '\x01\x23\x45\x67\x89\xab\xcd\xef', # cookie |
| '\x00\x00\x00\x00\x00\x00\x00\x0a', # packet_count |
| '\x00\x00\x00\x00\x00\x00\x03\xe8', # byte_count |
| '\x00\x00', # actions[0].type |
| '\x00\x08', # actions[0].len |
| '\x00\x01', # actions[0].port |
| '\x00\x00', # actions[0].max_len |
| '\x00\x00', # actions[1].type |
| '\x00\x08', # actions[1].len |
| '\x00\x02', # actions[1].port |
| '\x00\x00', # actions[1].max_len |
| ]) |
| obj = ofp.flow_stats_entry.unpack(buf) |
| self.assertEquals(3, obj.table_id) |
| self.assertEquals(ofp.OFPFW_ALL, obj.match.wildcards) |
| self.assertEquals(2, len(obj.actions)) |
| self.assertEquals(1, obj.actions[0].port) |
| self.assertEquals(2, obj.actions[1].port) |
| |
| def test_match(self): |
| match = ofp.match() |
| self.assertEquals(match.wildcards, ofp.OFPFW_ALL) |
| self.assertEquals(match.tcp_src, 0) |
| buf = match.pack() |
| match2 = ofp.match.unpack(buf) |
| self.assertEquals(match, match2) |
| |
| class TestMessages(unittest.TestCase): |
| def test_hello_construction(self): |
| msg = ofp.message.hello() |
| self.assertEquals(msg.version, ofp.OFP_VERSION) |
| self.assertEquals(msg.type, ofp.OFPT_HELLO) |
| self.assertEquals(msg.xid, None) |
| |
| msg = ofp.message.hello(xid=123) |
| self.assertEquals(msg.xid, 123) |
| |
| # 0 is a valid xid distinct from None |
| msg = ofp.message.hello(xid=0) |
| self.assertEquals(msg.xid, 0) |
| |
| def test_hello_unpack(self): |
| # Normal case |
| buf = "\x01\x00\x00\x08\x12\x34\x56\x78" |
| msg = ofp.message.hello(xid=0x12345678) |
| self.assertEquals(buf, msg.pack()) |
| |
| # Invalid length |
| buf = "\x01\x00\x00\x09\x12\x34\x56\x78\x9a" |
| with self.assertRaisesRegexp(ofp.ProtocolError, "should be 8"): |
| ofp.message.hello.unpack(buf) |
| |
| def test_echo_request_construction(self): |
| msg = ofp.message.echo_request(data="abc") |
| self.assertEquals(msg.data, "abc") |
| |
| def test_echo_request_pack(self): |
| msg = ofp.message.echo_request(xid=0x12345678, data="abc") |
| buf = msg.pack() |
| self.assertEquals(buf, "\x01\x02\x00\x0b\x12\x34\x56\x78\x61\x62\x63") |
| |
| msg2 = ofp.message.echo_request.unpack(buf) |
| self.assertEquals(msg, msg2) |
| |
| def test_echo_request_unpack(self): |
| # Normal case |
| buf = "\x01\x02\x00\x0b\x12\x34\x56\x78\x61\x62\x63" |
| msg = ofp.message.echo_request(xid=0x12345678, data="abc") |
| self.assertEquals(buf, msg.pack()) |
| |
| # Invalid length |
| buf = "\x01\x02\x00\x07\x12\x34\x56" |
| with self.assertRaisesRegexp(ofp.ProtocolError, "buffer too short"): |
| ofp.message.echo_request.unpack(buf) |
| |
| def test_echo_request_equality(self): |
| msg = ofp.message.echo_request(xid=0x12345678, data="abc") |
| msg2 = ofp.message.echo_request(xid=0x12345678, data="abc") |
| #msg2 = ofp.message.echo_request.unpack(msg.pack()) |
| self.assertEquals(msg, msg2) |
| |
| msg2.xid = 1 |
| self.assertNotEquals(msg, msg2) |
| msg2.xid = msg.xid |
| |
| msg2.data = "a" |
| self.assertNotEquals(msg, msg2) |
| msg2.data = msg.data |
| |
| def test_echo_request_show(self): |
| expected = "echo_request { xid = 0x12345678, data = 'ab\\x01' }" |
| msg = ofp.message.echo_request(xid=0x12345678, data="ab\x01") |
| self.assertEquals(msg.show(), expected) |
| |
| def test_flow_add(self): |
| match = ofp.match() |
| msg = ofp.message.flow_add(xid=1, |
| match=match, |
| cookie=1, |
| idle_timeout=5, |
| flags=ofp.OFPFF_CHECK_OVERLAP, |
| actions=[ |
| ofp.action.output(port=1), |
| ofp.action.output(port=2), |
| ofp.action.output(port=ofp.OFPP_CONTROLLER, |
| max_len=1024)]) |
| buf = msg.pack() |
| msg2 = ofp.message.flow_add.unpack(buf) |
| self.assertEquals(msg, msg2) |
| |
| def test_port_mod_pack(self): |
| msg = ofp.message.port_mod(xid=2, |
| port_no=ofp.OFPP_CONTROLLER, |
| hw_addr=[1,2,3,4,5,6], |
| config=0x90ABCDEF, |
| mask=0xFF11FF11, |
| advertise=0xCAFE6789) |
| expected = "\x01\x0f\x00\x20\x00\x00\x00\x02\xff\xfd\x01\x02\x03\x04\x05\x06\x90\xab\xcd\xef\xff\x11\xff\x11\xca\xfe\x67\x89\x00\x00\x00\x00" |
| self.assertEquals(expected, msg.pack()) |
| |
| def test_desc_stats_reply_pack(self): |
| msg = ofp.message.desc_stats_reply(xid=3, |
| flags=ofp.OFPSF_REPLY_MORE, |
| mfr_desc="The Indigo-2 Community", |
| hw_desc="Unknown server", |
| sw_desc="Indigo-2 LRI pre-release", |
| serial_num="11235813213455", |
| dp_desc="Indigo-2 LRI forwarding module") |
| expected = ''.join([ |
| '\x01', '\x11', # version/type |
| '\x04\x2c', # length |
| '\x00\x00\x00\x03', # xid |
| '\x00\x00', # stats_type |
| '\x00\x01', # flags |
| 'The Indigo-2 Community'.ljust(256, '\x00'), # mfr_desc |
| 'Unknown server'.ljust(256, '\x00'), # hw_desc |
| 'Indigo-2 LRI pre-release'.ljust(256, '\x00'), # sw_desc |
| '11235813213455'.ljust(32, '\x00'), # serial_num |
| 'Indigo-2 LRI forwarding module'.ljust(256, '\x00'), # dp_desc |
| ]) |
| self.assertEquals(expected, msg.pack()) |
| |
| def test_desc_stats_reply_unpack(self): |
| buf = ''.join([ |
| '\x01', '\x11', # version/type |
| '\x04\x2c', # length |
| '\x00\x00\x00\x03', # xid |
| '\x00\x00', # stats_type |
| '\x00\x01', # flags |
| 'The Indigo-2 Community'.ljust(256, '\x00'), # mfr_desc |
| 'Unknown server'.ljust(256, '\x00'), # hw_desc |
| 'Indigo-2 LRI pre-release'.ljust(256, '\x00'), # sw_desc |
| '11235813213455'.ljust(32, '\x00'), # serial_num |
| 'Indigo-2 LRI forwarding module'.ljust(256, '\x00'), # dp_desc |
| ]) |
| msg = ofp.message.desc_stats_reply.unpack(buf) |
| self.assertEquals('Indigo-2 LRI forwarding module', msg.dp_desc) |
| self.assertEquals('11235813213455', msg.serial_num) |
| self.assertEquals(ofp.OFPST_DESC, msg.stats_type) |
| self.assertEquals(ofp.OFPSF_REPLY_MORE, msg.flags) |
| |
| def test_port_status_pack(self): |
| desc = ofp.port_desc(port_no=ofp.OFPP_CONTROLLER, |
| hw_addr=[1,2,3,4,5,6], |
| name="foo", |
| config=ofp.OFPPC_NO_FLOOD, |
| state=ofp.OFPPS_STP_FORWARD, |
| curr=ofp.OFPPF_10MB_HD, |
| advertised=ofp.OFPPF_1GB_FD, |
| supported=ofp.OFPPF_AUTONEG, |
| peer=ofp.OFPPF_PAUSE_ASYM) |
| |
| msg = ofp.message.port_status(xid=4, |
| reason=ofp.OFPPR_DELETE, |
| desc=desc) |
| expected = ''.join([ |
| '\x01', '\x0c', # version/type |
| '\x00\x40', # length |
| '\x00\x00\x00\x04', # xid |
| '\x01', # reason |
| '\x00\x00\x00\x00\x00\x00\x00' # pad |
| '\xff\xfd', # desc.port_no |
| '\x01\x02\x03\x04\x05\x06', # desc.hw_addr |
| 'foo'.ljust(16, '\x00'), # desc.name |
| '\x00\x00\x00\x10', # desc.config |
| '\x00\x00\x02\x00', # desc.state |
| '\x00\x00\x00\x01', # desc.curr |
| '\x00\x00\x00\x20', # desc.advertised |
| '\x00\x00\x02\x00', # desc.supported |
| '\x00\x00\x08\x00', # desc.peer |
| ]) |
| self.assertEquals(expected, msg.pack()) |
| |
| def test_port_status_unpack(self): |
| buf = ''.join([ |
| '\x01', '\x0c', # version/type |
| '\x00\x40', # length |
| '\x00\x00\x00\x04', # xid |
| '\x01', # reason |
| '\x00\x00\x00\x00\x00\x00\x00' # pad |
| '\xff\xfd', # desc.port_no |
| '\x01\x02\x03\x04\x05\x06', # desc.hw_addr |
| 'foo'.ljust(16, '\x00'), # desc.name |
| '\x00\x00\x00\x10', # desc.config |
| '\x00\x00\x02\x00', # desc.state |
| '\x00\x00\x00\x01', # desc.curr |
| '\x00\x00\x00\x20', # desc.advertised |
| '\x00\x00\x02\x00', # desc.supported |
| '\x00\x00\x08\x00', # desc.peer |
| ]) |
| msg = ofp.message.port_status.unpack(buf) |
| self.assertEquals('foo', msg.desc.name) |
| self.assertEquals(ofp.OFPPF_PAUSE_ASYM, msg.desc.peer) |
| |
| def test_port_stats_reply_pack(self): |
| msg = ofp.message.port_stats_reply(xid=5, flags=0, entries=[ |
| ofp.port_stats_entry(port_no=1, rx_packets=56, collisions=5), |
| ofp.port_stats_entry(port_no=ofp.OFPP_LOCAL, rx_packets=1, collisions=1)]) |
| expected = ''.join([ |
| '\x01', '\x11', # version/type |
| '\x00\xdc', # length |
| '\x00\x00\x00\x05', # xid |
| '\x00\x04', # stats_type |
| '\x00\x00', # flags |
| '\x00\x01', # entries[0].port_no |
| '\x00\x00\x00\x00\x00\x00' # entries[0].pad |
| '\x00\x00\x00\x00\x00\x00\x00\x38', # entries[0].rx_packets |
| '\x00\x00\x00\x00\x00\x00\x00\x00', # entries[0].tx_packets |
| '\x00\x00\x00\x00\x00\x00\x00\x00', # entries[0].rx_bytes |
| '\x00\x00\x00\x00\x00\x00\x00\x00', # entries[0].tx_bytes |
| '\x00\x00\x00\x00\x00\x00\x00\x00', # entries[0].rx_dropped |
| '\x00\x00\x00\x00\x00\x00\x00\x00', # entries[0].tx_dropped |
| '\x00\x00\x00\x00\x00\x00\x00\x00', # entries[0].rx_errors |
| '\x00\x00\x00\x00\x00\x00\x00\x00', # entries[0].tx_errors |
| '\x00\x00\x00\x00\x00\x00\x00\x00', # entries[0].rx_frame_err |
| '\x00\x00\x00\x00\x00\x00\x00\x00', # entries[0].rx_over_err |
| '\x00\x00\x00\x00\x00\x00\x00\x00', # entries[0].rx_crc_err |
| '\x00\x00\x00\x00\x00\x00\x00\x05', # entries[0].collisions |
| '\xff\xfe', # entries[1].port_no |
| '\x00\x00\x00\x00\x00\x00' # entries[1].pad |
| '\x00\x00\x00\x00\x00\x00\x00\x01', # entries[1].rx_packets |
| '\x00\x00\x00\x00\x00\x00\x00\x00', # entries[1].tx_packets |
| '\x00\x00\x00\x00\x00\x00\x00\x00', # entries[1].rx_bytes |
| '\x00\x00\x00\x00\x00\x00\x00\x00', # entries[1].tx_bytes |
| '\x00\x00\x00\x00\x00\x00\x00\x00', # entries[1].rx_dropped |
| '\x00\x00\x00\x00\x00\x00\x00\x00', # entries[1].tx_dropped |
| '\x00\x00\x00\x00\x00\x00\x00\x00', # entries[1].rx_errors |
| '\x00\x00\x00\x00\x00\x00\x00\x00', # entries[1].tx_errors |
| '\x00\x00\x00\x00\x00\x00\x00\x00', # entries[1].rx_frame_err |
| '\x00\x00\x00\x00\x00\x00\x00\x00', # entries[1].rx_over_err |
| '\x00\x00\x00\x00\x00\x00\x00\x00', # entries[1].rx_crc_err |
| '\x00\x00\x00\x00\x00\x00\x00\x01', # entries[1].collisions |
| ]) |
| self.assertEquals(expected, msg.pack()) |
| |
| def test_port_stats_reply_unpack(self): |
| buf = ''.join([ |
| '\x01', '\x11', # version/type |
| '\x00\xdc', # length |
| '\x00\x00\x00\x05', # xid |
| '\x00\x04', # stats_type |
| '\x00\x00', # flags |
| '\x00\x01', # entries[0].port_no |
| '\x00\x00\x00\x00\x00\x00' # entries[0].pad |
| '\x00\x00\x00\x00\x00\x00\x00\x38', # entries[0].rx_packets |
| '\x00\x00\x00\x00\x00\x00\x00\x00', # entries[0].tx_packets |
| '\x00\x00\x00\x00\x00\x00\x00\x00', # entries[0].rx_bytes |
| '\x00\x00\x00\x00\x00\x00\x00\x00', # entries[0].tx_bytes |
| '\x00\x00\x00\x00\x00\x00\x00\x00', # entries[0].rx_dropped |
| '\x00\x00\x00\x00\x00\x00\x00\x00', # entries[0].tx_dropped |
| '\x00\x00\x00\x00\x00\x00\x00\x00', # entries[0].rx_errors |
| '\x00\x00\x00\x00\x00\x00\x00\x00', # entries[0].tx_errors |
| '\x00\x00\x00\x00\x00\x00\x00\x00', # entries[0].rx_frame_err |
| '\x00\x00\x00\x00\x00\x00\x00\x00', # entries[0].rx_over_err |
| '\x00\x00\x00\x00\x00\x00\x00\x00', # entries[0].rx_crc_err |
| '\x00\x00\x00\x00\x00\x00\x00\x05', # entries[0].collisions |
| '\xff\xfe', # entries[1].port_no |
| '\x00\x00\x00\x00\x00\x00' # entries[1].pad |
| '\x00\x00\x00\x00\x00\x00\x00\x01', # entries[1].rx_packets |
| '\x00\x00\x00\x00\x00\x00\x00\x00', # entries[1].tx_packets |
| '\x00\x00\x00\x00\x00\x00\x00\x00', # entries[1].rx_bytes |
| '\x00\x00\x00\x00\x00\x00\x00\x00', # entries[1].tx_bytes |
| '\x00\x00\x00\x00\x00\x00\x00\x00', # entries[1].rx_dropped |
| '\x00\x00\x00\x00\x00\x00\x00\x00', # entries[1].tx_dropped |
| '\x00\x00\x00\x00\x00\x00\x00\x00', # entries[1].rx_errors |
| '\x00\x00\x00\x00\x00\x00\x00\x00', # entries[1].tx_errors |
| '\x00\x00\x00\x00\x00\x00\x00\x00', # entries[1].rx_frame_err |
| '\x00\x00\x00\x00\x00\x00\x00\x00', # entries[1].rx_over_err |
| '\x00\x00\x00\x00\x00\x00\x00\x00', # entries[1].rx_crc_err |
| '\x00\x00\x00\x00\x00\x00\x00\x01', # entries[1].collisions |
| ]) |
| msg = ofp.message.port_stats_reply.unpack(buf) |
| self.assertEquals(ofp.OFPST_PORT, msg.stats_type) |
| self.assertEquals(2, len(msg.entries)) |
| |
| sample_flow_stats_reply_buf = ''.join([ |
| '\x01', '\x11', # version/type |
| '\x00\xe4', # length |
| '\x00\x00\x00\x06', # xid |
| '\x00\x01', # stats_type |
| '\x00\x00', # flags |
| '\x00\x68', # entries[0].length |
| '\x03', # entries[0].table_id |
| '\x00', # entries[0].pad |
| '\x00\x3f\xff\xff', # entries[0].match.wildcards |
| '\x00' * 36, # remaining match fields |
| '\x00\x00\x00\x01', # entries[0].duration_sec |
| '\x00\x00\x00\x02', # entries[0].duration_nsec |
| '\x00\x64', # entries[0].priority |
| '\x00\x05', # entries[0].idle_timeout |
| '\x00\x0a', # entries[0].hard_timeout |
| '\x00' * 6, # entries[0].pad2 |
| '\x01\x23\x45\x67\x89\xab\xcd\xef', # entries[0].cookie |
| '\x00\x00\x00\x00\x00\x00\x00\x0a', # entries[0].packet_count |
| '\x00\x00\x00\x00\x00\x00\x03\xe8', # entries[0].byte_count |
| '\x00\x00', # entries[0].actions[0].type |
| '\x00\x08', # entries[0].actions[0].len |
| '\x00\x01', # entries[0].actions[0].port |
| '\x00\x00', # entries[0].actions[0].max_len |
| '\x00\x00', # entries[0].actions[1].type |
| '\x00\x08', # entries[0].actions[1].len |
| '\x00\x02', # entries[0].actions[1].port |
| '\x00\x00', # entries[0].actions[1].max_len |
| '\x00\x70', # entries[1].length |
| '\x04', # entries[1].table_id |
| '\x00', # entries[1].pad |
| '\x00\x3f\xff\xff', # entries[1].match.wildcards |
| '\x00' * 36, # remaining match fields |
| '\x00\x00\x00\x01', # entries[1].duration_sec |
| '\x00\x00\x00\x02', # entries[1].duration_nsec |
| '\x00\x64', # entries[1].priority |
| '\x00\x05', # entries[1].idle_timeout |
| '\x00\x0a', # entries[1].hard_timeout |
| '\x00' * 6, # entries[1].pad2 |
| '\x01\x23\x45\x67\x89\xab\xcd\xef', # entries[1].cookie |
| '\x00\x00\x00\x00\x00\x00\x00\x0a', # entries[1].packet_count |
| '\x00\x00\x00\x00\x00\x00\x03\xe8', # entries[1].byte_count |
| '\x00\x00', # entries[1].actions[0].type |
| '\x00\x08', # entries[1].actions[0].len |
| '\x00\x01', # entries[1].actions[0].port |
| '\x00\x00', # entries[1].actions[0].max_len |
| '\x00\x00', # entries[1].actions[1].type |
| '\x00\x08', # entries[1].actions[1].len |
| '\x00\x02', # entries[1].actions[1].port |
| '\x00\x00', # entries[1].actions[1].max_len |
| '\x00\x00', # entries[1].actions[2].type |
| '\x00\x08', # entries[1].actions[2].len |
| '\x00\x03', # entries[1].actions[2].port |
| '\x00\x00', # entries[1].actions[2].max_len |
| ]) |
| |
| def test_flow_stats_reply_pack(self): |
| msg = ofp.message.flow_stats_reply(xid=6, flags=0, entries=[ |
| ofp.flow_stats_entry(table_id=3, |
| match=ofp.match(), |
| duration_sec=1, |
| duration_nsec=2, |
| priority=100, |
| idle_timeout=5, |
| hard_timeout=10, |
| cookie=0x0123456789abcdef, |
| packet_count=10, |
| byte_count=1000, |
| actions=[ofp.action.output(port=1), |
| ofp.action.output(port=2)]), |
| ofp.flow_stats_entry(table_id=4, |
| match=ofp.match(), |
| duration_sec=1, |
| duration_nsec=2, |
| priority=100, |
| idle_timeout=5, |
| hard_timeout=10, |
| cookie=0x0123456789abcdef, |
| packet_count=10, |
| byte_count=1000, |
| actions=[ofp.action.output(port=1), |
| ofp.action.output(port=2), |
| ofp.action.output(port=3)])]) |
| self.assertEquals(self.sample_flow_stats_reply_buf, msg.pack()) |
| |
| def test_flow_stats_reply_unpack(self): |
| msg = ofp.message.flow_stats_reply.unpack(self.sample_flow_stats_reply_buf) |
| self.assertEquals(ofp.OFPST_FLOW, msg.stats_type) |
| self.assertEquals(2, len(msg.entries)) |
| self.assertEquals(2, len(msg.entries[0].actions)) |
| self.assertEquals(3, len(msg.entries[1].actions)) |
| |
| def test_flow_add_show(self): |
| expected = """\ |
| flow_add { |
| xid = None, |
| match = match_v1 { |
| wildcards = OFPFW_DL_SRC|OFPFW_DL_DST, |
| in_port = 3, |
| eth_src = 01:23:45:67:89:ab, |
| eth_dst = cd:ef:01:23:45:67, |
| vlan_vid = 0x0, |
| vlan_pcp = 0x0, |
| pad = 0x0, |
| eth_type = 0x0, |
| ip_dscp = 0x0, |
| ip_proto = 0x0, |
| pad1 = [ 0, 0 ], |
| ipv4_src = 192.168.3.127, |
| ipv4_dst = 255.255.255.255, |
| tcp_src = 0x0, |
| tcp_dst = 0x0 |
| }, |
| cookie = 0x0, |
| idle_timeout = 0x0, |
| hard_timeout = 0x0, |
| priority = 0x0, |
| buffer_id = 0x0, |
| out_port = 0, |
| flags = 0x0, |
| actions = [ |
| output { port = OFPP_FLOOD, max_len = 0x0 }, |
| nicira_dec_ttl { pad = 0x0, pad1 = 0x0 }, |
| bsn_set_tunnel_dst { dst = 0x0 } |
| ] |
| }""" |
| msg = ofp.message.flow_add( |
| match=ofp.match( |
| wildcards=ofp.OFPFW_DL_SRC|ofp.OFPFW_DL_DST, |
| in_port=3, |
| ipv4_src=0xc0a8037f, |
| ipv4_dst=0xffffffff, |
| eth_src=[0x01, 0x23, 0x45, 0x67, 0x89, 0xab], |
| eth_dst=[0xcd, 0xef, 0x01, 0x23, 0x45, 0x67]), |
| actions=[ |
| ofp.action.output(port=ofp.OFPP_FLOOD), |
| ofp.action.nicira_dec_ttl(), |
| ofp.action.bsn_set_tunnel_dst()]) |
| self.assertEquals(msg.show(), expected) |
| |
| sample_packet_out_buf = ''.join([ |
| '\x01', '\x0d', # version/type |
| '\x00\x23', # length |
| '\x12\x34\x56\x78', # xid |
| '\xab\xcd\xef\x01', # buffer_id |
| '\xff\xfe', # in_port |
| '\x00\x10', # actions_len |
| '\x00\x00', # actions[0].type |
| '\x00\x08', # actions[0].len |
| '\x00\x01', # actions[0].port |
| '\x00\x00', # actions[0].max_len |
| '\x00\x00', # actions[1].type |
| '\x00\x08', # actions[1].len |
| '\x00\x02', # actions[1].port |
| '\x00\x00', # actions[1].max_len |
| 'abc' # data |
| ]) |
| |
| def test_packet_out_pack(self): |
| msg = ofp.message.packet_out( |
| xid=0x12345678, |
| buffer_id=0xabcdef01, |
| in_port=ofp.OFPP_LOCAL, |
| actions=[ |
| ofp.action.output(port=1), |
| ofp.action.output(port=2)], |
| data='abc') |
| self.assertEquals(self.sample_packet_out_buf, msg.pack()) |
| |
| def test_packet_out_unpack(self): |
| msg = ofp.message.packet_out.unpack(self.sample_packet_out_buf) |
| self.assertEquals(0x12345678, msg.xid) |
| self.assertEquals(0xabcdef01, msg.buffer_id) |
| self.assertEquals(ofp.OFPP_LOCAL, msg.in_port) |
| self.assertEquals(2, len(msg.actions)) |
| self.assertEquals(1, msg.actions[0].port) |
| self.assertEquals(2, msg.actions[1].port) |
| self.assertEquals('abc', msg.data) |
| |
| sample_packet_in_buf = ''.join([ |
| '\x01', '\x0a', # version/type |
| '\x00\x15', # length |
| '\x12\x34\x56\x78', # xid |
| '\xab\xcd\xef\x01', # buffer_id |
| '\x00\x09', # total_len |
| '\xff\xfe', # in_port |
| '\x01', # reason |
| '\x00', # pad |
| 'abc', # data |
| ]) |
| |
| def test_packet_in_pack(self): |
| msg = ofp.message.packet_in( |
| xid=0x12345678, |
| buffer_id=0xabcdef01, |
| total_len=9, |
| in_port=ofp.OFPP_LOCAL, |
| reason=ofp.OFPR_ACTION, |
| data='abc') |
| self.assertEquals(self.sample_packet_in_buf, msg.pack()) |
| |
| def test_packet_in_unpack(self): |
| msg = ofp.message.packet_in.unpack(self.sample_packet_in_buf) |
| self.assertEquals(0x12345678, msg.xid) |
| self.assertEquals(0xabcdef01, msg.buffer_id) |
| self.assertEquals(9, msg.total_len) |
| self.assertEquals(ofp.OFPP_LOCAL, msg.in_port) |
| self.assertEquals(ofp.OFPR_ACTION, msg.reason) |
| self.assertEquals('abc', msg.data) |
| |
| sample_queue_get_config_reply_buf = ''.join([ |
| '\x01', '\x15', # version/type |
| '\x00\x50', # length |
| '\x12\x34\x56\x78', # xid |
| '\xff\xfe', # port |
| '\x00\x00\x00\x00\x00\x00', # pad |
| '\x00\x00\x00\x01', # queues[0].queue_id |
| '\x00\x18', # queues[0].len |
| '\x00\x00', # queues[0].pad |
| '\x00\x01', # queues[0].properties[0].type |
| '\x00\x10', # queues[0].properties[0].length |
| '\x00\x00\x00\x00', # queues[0].properties[0].pad |
| '\x00\x05', # queues[0].properties[0].rate |
| '\x00\x00\x00\x00\x00\x00', # queues[0].properties[0].pad2 |
| '\x00\x00\x00\x02', # queues[1].queue_id |
| '\x00\x28', # queues[1].len |
| '\x00\x00', # queues[1].pad |
| '\x00\x01', # queues[1].properties[0].type |
| '\x00\x10', # queues[1].properties[0].length |
| '\x00\x00\x00\x00', # queues[1].properties[0].pad |
| '\x00\x06', # queues[1].properties[0].rate |
| '\x00\x00\x00\x00\x00\x00', # queues[1].properties[0].pad2 |
| '\x00\x01', # queues[1].properties[1].type |
| '\x00\x10', # queues[1].properties[1].length |
| '\x00\x00\x00\x00', # queues[1].properties[1].pad |
| '\x00\x07', # queues[1].properties[1].rate |
| '\x00\x00\x00\x00\x00\x00', # queues[1].properties[1].pad2 |
| ]) |
| |
| def test_queue_get_config_reply_pack(self): |
| msg = ofp.message.queue_get_config_reply( |
| xid=0x12345678, |
| port=ofp.OFPP_LOCAL, |
| queues=[ |
| ofp.packet_queue(queue_id=1, properties=[ |
| ofp.queue_prop_min_rate(rate=5)]), |
| ofp.packet_queue(queue_id=2, properties=[ |
| ofp.queue_prop_min_rate(rate=6), |
| ofp.queue_prop_min_rate(rate=7)])]) |
| self.assertEquals(self.sample_queue_get_config_reply_buf, msg.pack()) |
| |
| def test_queue_get_config_reply_unpack(self): |
| msg = ofp.message.queue_get_config_reply.unpack(self.sample_queue_get_config_reply_buf) |
| self.assertEquals(ofp.OFPP_LOCAL, msg.port) |
| self.assertEquals(msg.queues[0].queue_id, 1) |
| self.assertEquals(msg.queues[0].properties[0].rate, 5) |
| self.assertEquals(msg.queues[1].queue_id, 2) |
| self.assertEquals(msg.queues[1].properties[0].rate, 6) |
| self.assertEquals(msg.queues[1].properties[1].rate, 7) |
| |
| class TestParse(unittest.TestCase): |
| def test_parse_header(self): |
| import loxi |
| |
| msg_ver, msg_type, msg_len, msg_xid = ofp.message.parse_header("\x01\x04\xAF\xE8\x12\x34\x56\x78") |
| self.assertEquals(1, msg_ver) |
| self.assertEquals(4, msg_type) |
| self.assertEquals(45032, msg_len) |
| self.assertEquals(0x12345678, msg_xid) |
| |
| with self.assertRaisesRegexp(loxi.ProtocolError, "too short"): |
| ofp.message.parse_header("\x01\x04\xAF\xE8\x12\x34\x56") |
| |
| def test_parse_message(self): |
| import loxi |
| import loxi.of10 as ofp |
| |
| buf = "\x01\x00\x00\x08\x12\x34\x56\x78" |
| msg = ofp.message.parse_message(buf) |
| assert(msg.xid == 0x12345678) |
| |
| # Get a list of all message classes |
| test_klasses = [x for x in ofp.message.__dict__.values() |
| if type(x) == type |
| and issubclass(x, ofp.message.Message) |
| and x != ofp.message.Message] |
| |
| for klass in test_klasses: |
| self.assertIsInstance(ofp.message.parse_message(klass(xid=1).pack()), klass) |
| |
| class TestUtils(unittest.TestCase): |
| def test_unpack_array(self): |
| import loxi |
| import loxi.of10.util as util |
| |
| a = util.unpack_array(str, 3, "abcdefghi") |
| self.assertEquals(['abc', 'def', 'ghi'], a) |
| |
| with self.assertRaisesRegexp(loxi.ProtocolError, "invalid array length"): |
| util.unpack_array(str, 3, "abcdefgh") |
| |
| def test_pretty_wildcards(self): |
| self.assertEquals("OFPFW_ALL", ofp.util.pretty_wildcards(ofp.OFPFW_ALL)) |
| self.assertEquals("0", ofp.util.pretty_wildcards(0)) |
| self.assertEquals("OFPFW_DL_SRC|OFPFW_DL_DST", |
| ofp.util.pretty_wildcards(ofp.OFPFW_DL_SRC|ofp.OFPFW_DL_DST)) |
| self.assertEquals("OFPFW_NW_SRC_MASK&0x2000", |
| ofp.util.pretty_wildcards(ofp.OFPFW_NW_SRC_ALL)) |
| self.assertEquals("OFPFW_NW_SRC_MASK&0x1a00", |
| ofp.util.pretty_wildcards(0x00001a00)) |
| self.assertEquals("OFPFW_IN_PORT|0x80000000", |
| ofp.util.pretty_wildcards(ofp.OFPFW_IN_PORT|0x80000000)) |
| |
| class TestAll(unittest.TestCase): |
| """ |
| Round-trips every class through serialization/deserialization. |
| Not a replacement for handcoded tests because it only uses the |
| default member values. |
| """ |
| |
| def setUp(self): |
| mods = [ofp.action,ofp.message,ofp.common] |
| self.klasses = [klass for mod in mods |
| for klass in mod.__dict__.values() |
| if hasattr(klass, 'show')] |
| self.klasses.sort(key=lambda x: str(x)) |
| |
| def test_serialization(self): |
| expected_failures = [] |
| for klass in self.klasses: |
| def fn(): |
| obj = klass() |
| if hasattr(obj, "xid"): obj.xid = 42 |
| buf = obj.pack() |
| obj2 = klass.unpack(buf) |
| self.assertEquals(obj, obj2) |
| if klass in expected_failures: |
| self.assertRaises(Exception, fn) |
| else: |
| fn() |
| |
| def test_show(self): |
| expected_failures = [] |
| for klass in self.klasses: |
| def fn(): |
| obj = klass() |
| if hasattr(obj, "xid"): obj.xid = 42 |
| obj.show() |
| if klass in expected_failures: |
| self.assertRaises(Exception, fn) |
| else: |
| fn() |
| |
| if __name__ == '__main__': |
| unittest.main() |