def test_recursive_address(self): af = VPPEnumType('vl_api_address_family_t', [["ADDRESS_IP4", 0], ["ADDRESS_IP6", 1], { "enumtype": "u32" }]) ip4 = VPPType('vl_api_ip4_address_t', [['u8', 'address', 4]]) ip6 = VPPType('vl_api_ip6_address_t', [['u8', 'address', 16]]) VPPUnionType( 'vl_api_address_union_t', [["vl_api_ip4_address_t", "ip4"], ["vl_api_ip6_address_t", "ip6"]]) address = VPPType('vl_api_address_t', [['vl_api_address_family_t', 'af'], ['vl_api_address_union_t', 'un']]) prefix = VPPType( 'vl_api_prefix_t', [['vl_api_address_t', 'address'], ['u8', 'address_length']]) message = VPPMessage('svs', [['vl_api_prefix_t', 'prefix']]) message_addr = VPPMessage('svs_address', [['vl_api_address_t', 'address']]) b = message_addr.pack({'address': "1::1"}) self.assertEqual(len(b), 20) nt, size = message_addr.unpack(b) self.assertEqual("1::1", VPPFormat.unformat(nt.address)) b = message_addr.pack({'address': "1.1.1.1"}) self.assertEqual(len(b), 20) nt, size = message_addr.unpack(b) self.assertEqual("1.1.1.1", VPPFormat.unformat(nt.address)) b = message.pack({'prefix': "1.1.1.1/24"}) self.assertEqual(len(b), 21) nt, size = message.unpack(b) self.assertEqual("1.1.1.1/24", VPPFormat.unformat(nt.prefix))
def test_string(self): s = VPPType('str', [['u32', 'length'], ['u8', 'string', 0, 'length']]) string = '' b = s.pack({'length': len(string), 'string': string}) nt, size = s.unpack(b) self.assertEqual(len(b), size)
def test_string(self): s = VPPType("str", [["u32", "length"], ["u8", "string", 0, "length"]]) string = "" b = s.pack({"length": len(string), "string": string.encode("utf-8")}) nt, size = s.unpack(b) self.assertEqual(len(b), size)
def test_string(self): s = VPPType('str', [['u32', 'length'], ['u8', 'string', 0, 'length']]) string = '' b = s.pack({'length': len(string), 'string': string.encode('utf-8')}) nt, size = s.unpack(b) self.assertEqual(len(b), size)
def test_defaults(self): default_type = VPPType('default_type_t', [['u16', 'mtu', {'default': 1500, 'limit': 0}]]) b = default_type.pack({}) self.assertEqual(len(b), 2) nt, size = default_type.unpack(b) self.assertEqual(len(b), size) self.assertEqual(nt.mtu, 1500)
def test_limit(self): limited_type = VPPType('limited_type_t', [['string', 'name', {'limit': 16}]]) unlimited_type = VPPType('limited_type_t', [['string', 'name']]) b = limited_type.pack({'name':'foobar'}) self.assertEqual(len(b), 10) b = unlimited_type.pack({'name':'foobar'}) self.assertEqual(len(b), 10) with self.assertRaises(VPPSerializerValueError): b = limited_type.pack({'name':'foobar'*3})
def test_bier(self): bier_table_id = VPPType( "vl_api_bier_table_id_t", [["u8", "bt_set"], ["u8", "bt_sub_domain"], ["u8", "bt_hdr_len_id"]], ) bier_imp_add = VPPMessage( "bier_imp_add", [ ["u32", "client_index"], ["u32", "context"], ["vl_api_bier_table_id_t", "bi_tbl_id"], ["u16", "bi_src"], ["u8", "bi_n_bytes"], ["u8", "bi_bytes", 0, "bi_n_bytes"], ], ) table_id = {"bt_set": 0, "bt_sub_domain": 0, "bt_hdr_len_id": 0} bibytes = b"foobar" b = bier_imp_add.pack({ "bi_tbl_id": table_id, "bi_n_bytes": len(bibytes), "bi_bytes": bibytes }) self.assertEqual(len(b), 20)
def test_bier(self): bier_table_id = VPPType('vl_api_bier_table_id_t', [['u8', 'bt_set'], ['u8', 'bt_sub_domain'], ['u8', 'bt_hdr_len_id']]) bier_imp_add = VPPMessage('bier_imp_add', [['u32', 'client_index'], ['u32', 'context'], ['vl_api_bier_table_id_t', 'bi_tbl_id'], ['u16', 'bi_src'], ['u8', 'bi_n_bytes'], ['u8', 'bi_bytes', 0, 'bi_n_bytes']]) table_id = {'bt_set': 0, 'bt_sub_domain': 0, 'bt_hdr_len_id': 0} bibytes = b'foobar' b = bier_imp_add.pack({'bi_tbl_id': table_id, 'bi_n_bytes': len(bibytes), 'bi_bytes': bibytes}) self.assertEqual(len(b), 20)
def test_zero_vla(self): '''Default zero'ed out for VLAs''' list = VPPType('vl_api_list_t', [['u8', 'count', 10]]) # Define an embedded VLA type valist = VPPType('vl_api_valist_t', [['u8', 'count'], ['u8', 'string', 0, 'count']]) # Define a message vamessage = VPPMessage( 'vamsg', [['vl_api_valist_t', 'valist'], ['u8', 'is_something']]) message = VPPMessage( 'msg', [['vl_api_list_t', 'list'], ['u8', 'is_something']]) # Pack message without VLA specified b = message.pack({'is_something': 1}) b = vamessage.pack({'is_something': 1})
def test_zero_vla(self): """Default zero'ed out for VLAs""" list = VPPType("vl_api_list_t", [["u8", "count", 10]]) # Define an embedded VLA type valist = VPPType("vl_api_valist_t", [["u8", "count"], ["u8", "string", 0, "count"]]) # Define a message vamessage = VPPMessage( "vamsg", [["vl_api_valist_t", "valist"], ["u8", "is_something"]]) message = VPPMessage( "msg", [["vl_api_list_t", "list"], ["u8", "is_something"]]) # Pack message without VLA specified b = message.pack({"is_something": 1}) b = vamessage.pack({"is_something": 1})
def test_limit(self): limited_type = VPPType('limited_type_t', [['string', 'name', {'limit': 16}]]) unlimited_type = VPPType('limited_type_t', [['string', 'name']]) b = limited_type.pack({'name': 'foobar'}) self.assertEqual(len(b), 10) b = unlimited_type.pack({'name': 'foobar'}) self.assertEqual(len(b), 10) with self.assertRaises(VPPSerializerValueError): b = limited_type.pack({'name': 'foobar'*3})
def test_limit(self): limited_type = VPPType("limited_type_t", [["string", "name", 0, { "limit": 16 }]]) unlimited_type = VPPType("limited_type_t", [["string", "name", 0]]) b = limited_type.pack({"name": "foobar"}) self.assertEqual(len(b), 10) b = unlimited_type.pack({"name": "foobar"}) self.assertEqual(len(b), 10) with self.assertRaises(VPPSerializerValueError): b = limited_type.pack({"name": "foobar" * 3})
def test_lisp(self): VPPEnumType('vl_api_eid_type_t', [["EID_TYPE_API_PREFIX", 0], ["EID_TYPE_API_MAC", 1], ["EID_TYPE_API_NSH", 2], {"enumtype": "u32"}]) VPPTypeAlias('vl_api_mac_address_t', {'type': 'u8', 'length': 6}) VPPType('vl_api_nsh_t', [["u32", "spi"], ["u8", "si"]]) VPPEnumType('vl_api_address_family_t', [["ADDRESS_IP4", 0], ["ADDRESS_IP6", 1], {"enumtype": "u32"}]) VPPTypeAlias('vl_api_ip4_address_t', {'type': 'u8', 'length': 4}) VPPTypeAlias('vl_api_ip6_address_t', {'type': 'u8', 'length': 16}) VPPUnionType('vl_api_address_union_t', [["vl_api_ip4_address_t", "ip4"], ["vl_api_ip6_address_t", "ip6"]]) VPPType('vl_api_address_t', [['vl_api_address_family_t', 'af'], ['vl_api_address_union_t', 'un']]) VPPType('vl_api_prefix_t', [['vl_api_address_t', 'address'], ['u8', 'len']]) VPPUnionType('vl_api_eid_address_t', [["vl_api_prefix_t", "prefix"], ["vl_api_mac_address_t", "mac"], ["vl_api_nsh_t", "nsh"]]) eid = VPPType('vl_api_eid_t', [["vl_api_eid_type_t", "type"], ["vl_api_eid_address_t", "address"]]) b = eid.pack({'type':1, 'address': { 'mac': MACAddress('aa:bb:cc:dd:ee:ff')}}) self.assertEqual(len(b), 25) nt, size = eid.unpack(b) self.assertEqual(str(nt.address.mac), 'aa:bb:cc:dd:ee:ff') self.assertIsNone(nt.address.prefix)
def test_abf(self): fib_mpls_label = VPPType('vl_api_fib_mpls_label_t', [['u8', 'is_uniform'], ['u32', 'label'], ['u8', 'ttl'], ['u8', 'exp']]) label_stack = {'is_uniform': 0, 'label': 0, 'ttl': 0, 'exp': 0} b = fib_mpls_label.pack(label_stack) self.assertEqual(len(b), 7) fib_path = VPPType('vl_api_fib_path_t', [['u32', 'sw_if_index'], ['u32', 'table_id'], ['u8', 'weight'], ['u8', 'preference'], ['u8', 'is_local'], ['u8', 'is_drop'], ['u8', 'is_udp_encap'], ['u8', 'is_unreach'], ['u8', 'is_prohibit'], ['u8', 'is_resolve_host'], ['u8', 'is_resolve_attached'], ['u8', 'is_dvr'], ['u8', 'is_source_lookup'], ['u8', 'afi'], ['u8', 'next_hop', 16], ['u32', 'next_hop_id'], ['u32', 'rpf_id'], ['u32', 'via_label'], ['u8', 'n_labels'], ['vl_api_fib_mpls_label_t', 'label_stack', 16]]) label_stack_list = [] for i in range(16): label_stack_list.append(label_stack) paths = {'is_udp_encap': 0, 'next_hop': b'\x10\x02\x02\xac', 'table_id': 0, 'afi': 0, 'weight': 1, 'next_hop_id': 4294967295, 'label_stack': label_stack_list, 'n_labels': 0, 'sw_if_index': 4294967295, 'preference': 0} b = fib_path.pack(paths) self.assertEqual(len(b), (7*16) + 49) abf_policy = VPPType('vl_api_abf_policy_t', [['u32', 'policy_id'], ['u32', 'acl_index'], ['u8', 'n_paths'], ['vl_api_fib_path_t', 'paths', 0, 'n_paths']]) policy = { 'n_paths': 1, 'paths': [paths], 'acl_index': 0, 'policy_id': 10} b = abf_policy.pack(policy) self.assertEqual(len(b), (7*16) + 49 + 9) abf_policy_add_del = VPPMessage('abf_policy_add_del', [['u16', '_vl_msg_id'], ['u32', 'client_index'], ['u32', 'context'], ['u8', 'is_add'], ['vl_api_abf_policy_t', 'policy']]) b = abf_policy_add_del.pack({'is_add': 1, 'context': 66, '_vl_msg_id': 1066, 'policy': policy}) nt, size = abf_policy_add_del.unpack(b) self.assertEqual(nt.policy.paths[0].next_hop, b'\x10\x02\x02\xac\x00\x00\x00\x00' b'\x00\x00\x00\x00\x00\x00\x00\x00')
def test_address_with_prefix(self): af = VPPEnumType( "vl_api_address_family_t", [["ADDRESS_IP4", 0], ["ADDRESS_IP6", 1], { "enumtype": "u32" }], ) ip4 = VPPTypeAlias("vl_api_ip4_address_t", {"type": "u8", "length": 4}) ip6 = VPPTypeAlias("vl_api_ip6_address_t", { "type": "u8", "length": 16 }) VPPUnionType( "vl_api_address_union_t", [["vl_api_ip4_address_t", "ip4"], ["vl_api_ip6_address_t", "ip6"]], ) address = VPPType( "vl_api_address_t", [["vl_api_address_family_t", "af"], ["vl_api_address_union_t", "un"]], ) prefix = VPPType("vl_api_prefix_t", [["vl_api_address_t", "address"], ["u8", "len"]]) prefix4 = VPPType("vl_api_ip4_prefix_t", [["vl_api_ip4_address_t", "address"], ["u8", "len"]]) prefix6 = VPPType("vl_api_ip6_prefix_t", [["vl_api_ip6_address_t", "address"], ["u8", "len"]]) address_with_prefix = VPPTypeAlias("vl_api_address_with_prefix_t", {"type": "vl_api_prefix_t"}) address4_with_prefix = VPPTypeAlias("vl_api_ip4_address_with_prefix_t", {"type": "vl_api_ip4_prefix_t"}) address6_with_prefix = VPPTypeAlias("vl_api_ip6_address_with_prefix_t", {"type": "vl_api_ip6_prefix_t"}) awp_type = VPPType("foobar_t", [["vl_api_address_with_prefix_t", "address"]]) # address with prefix b = address_with_prefix.pack(IPv4Interface("2.2.2.2/24")) self.assertEqual(len(b), 21) nt, size = address_with_prefix.unpack(b) self.assertTrue(isinstance(nt, IPv4Interface)) self.assertEqual(str(nt), "2.2.2.2/24") b = address_with_prefix.pack(IPv6Interface("2::2/64")) self.assertEqual(len(b), 21) nt, size = address_with_prefix.unpack(b) self.assertTrue(isinstance(nt, IPv6Interface)) self.assertEqual(str(nt), "2::2/64") b = address_with_prefix.pack(IPv4Network("2.2.2.2/24", strict=False)) self.assertEqual(len(b), 21) nt, size = address_with_prefix.unpack(b) self.assertTrue(isinstance(nt, IPv4Interface)) self.assertEqual(str(nt), "2.2.2.0/24") b = address4_with_prefix.pack("2.2.2.2/24") self.assertEqual(len(b), 5) nt, size = address4_with_prefix.unpack(b) self.assertTrue(isinstance(nt, IPv4Interface)) self.assertEqual(str(nt), "2.2.2.2/24") b = address4_with_prefix.pack(IPv4Interface("2.2.2.2/24")) self.assertEqual(len(b), 5) b = address6_with_prefix.pack("2::2/64") self.assertEqual(len(b), 17) nt, size = address6_with_prefix.unpack(b) self.assertTrue(isinstance(nt, IPv6Interface)) self.assertEqual(str(nt), "2::2/64") b = address6_with_prefix.pack(IPv6Interface("2::2/64")) self.assertEqual(len(b), 17) b = prefix.pack("192.168.10.0/24") self.assertEqual(len(b), 21) nt, size = prefix.unpack(b) self.assertTrue(isinstance(nt, IPv4Network)) self.assertEqual(str(nt), "192.168.10.0/24") b = awp_type.pack({"address": "1.2.3.4/24"}) self.assertEqual(len(b), 21) nt, size = awp_type.unpack(b) self.assertTrue(isinstance(nt.address, IPv4Interface)) self.assertEqual(str(nt.address), "1.2.3.4/24") b = awp_type.pack({"address": IPv4Interface("1.2.3.4/24")}) self.assertEqual(len(b), 21) nt, size = awp_type.unpack(b) self.assertTrue(isinstance(nt.address, IPv4Interface)) self.assertEqual(str(nt.address), "1.2.3.4/24")
def test_address(self): af = VPPEnumType('vl_api_address_family_t', [["ADDRESS_IP4", 0], ["ADDRESS_IP6", 1], {"enumtype": "u32"}]) ip4 = VPPTypeAlias('vl_api_ip4_address_t', {'type': 'u8', 'length': 4}) ip6 = VPPTypeAlias('vl_api_ip6_address_t', {'type': 'u8', 'length': 16}) VPPUnionType('vl_api_address_union_t', [["vl_api_ip4_address_t", "ip4"], ["vl_api_ip6_address_t", "ip6"]]) address = VPPType('vl_api_address_t', [['vl_api_address_family_t', 'af'], ['vl_api_address_union_t', 'un']]) va_address_list = VPPType('list_addresses', [['u8', 'count'], ['vl_api_address_t', 'addresses', 0, 'count']]) message_with_va_address_list = VPPType('msg_with_vla', [['list_addresses', 'vla_address'], ['u8', 'is_cool']]) b = ip4.pack(inet_pton(AF_INET, '1.1.1.1')) self.assertEqual(len(b), 4) nt, size = ip4.unpack(b) self.assertEqual(str(nt), '1.1.1.1') b = ip6.pack(inet_pton(AF_INET6, '1::1')) self.assertEqual(len(b), 16) b = address.pack({'af': af.ADDRESS_IP4, 'un': {'ip4': inet_pton(AF_INET, '2.2.2.2')}}) self.assertEqual(len(b), 20) nt, size = address.unpack(b) self.assertEqual(str(nt), '2.2.2.2') # List of addresses address_list = [] for i in range(4): address_list.append({'af': af.ADDRESS_IP4, 'un': {'ip4': inet_pton(AF_INET, '2.2.2.2')}}) b = va_address_list.pack({'count': len(address_list), 'addresses': address_list}) self.assertEqual(len(b), 81) nt, size = va_address_list.unpack(b) self.assertEqual(str(nt.addresses[0]), '2.2.2.2') b = message_with_va_address_list.pack({'vla_address': {'count': len(address_list), 'addresses': address_list}, 'is_cool': 100}) self.assertEqual(len(b), 82) nt, size = message_with_va_address_list.unpack(b) self.assertEqual(nt.is_cool, 100)
def test_address_with_prefix(self): af = VPPEnumType('vl_api_address_family_t', [["ADDRESS_IP4", 0], ["ADDRESS_IP6", 1], { "enumtype": "u32" }]) ip4 = VPPTypeAlias('vl_api_ip4_address_t', {'type': 'u8', 'length': 4}) ip6 = VPPTypeAlias('vl_api_ip6_address_t', { 'type': 'u8', 'length': 16 }) VPPUnionType( 'vl_api_address_union_t', [["vl_api_ip4_address_t", "ip4"], ["vl_api_ip6_address_t", "ip6"]]) address = VPPType('vl_api_address_t', [['vl_api_address_family_t', 'af'], ['vl_api_address_union_t', 'un']]) prefix = VPPType('vl_api_prefix_t', [['vl_api_address_t', 'address'], ['u8', 'len']]) prefix4 = VPPType('vl_api_ip4_prefix_t', [['vl_api_ip4_address_t', 'address'], ['u8', 'len']]) prefix6 = VPPType('vl_api_ip6_prefix_t', [['vl_api_ip6_address_t', 'address'], ['u8', 'len']]) address_with_prefix = VPPTypeAlias('vl_api_address_with_prefix_t', {'type': 'vl_api_prefix_t'}) address4_with_prefix = VPPTypeAlias('vl_api_ip4_address_with_prefix_t', {'type': 'vl_api_ip4_prefix_t'}) address6_with_prefix = VPPTypeAlias('vl_api_ip6_address_with_prefix_t', {'type': 'vl_api_ip6_prefix_t'}) awp_type = VPPType('foobar_t', [['vl_api_address_with_prefix_t', 'address']]) # address with prefix b = address_with_prefix.pack(IPv4Interface('2.2.2.2/24')) self.assertEqual(len(b), 21) nt, size = address_with_prefix.unpack(b) self.assertTrue(isinstance(nt, IPv4Interface)) self.assertEqual(str(nt), '2.2.2.2/24') b = address_with_prefix.pack(IPv6Interface('2::2/64')) self.assertEqual(len(b), 21) nt, size = address_with_prefix.unpack(b) self.assertTrue(isinstance(nt, IPv6Interface)) self.assertEqual(str(nt), '2::2/64') b = address_with_prefix.pack(IPv4Network('2.2.2.2/24', strict=False)) self.assertEqual(len(b), 21) nt, size = address_with_prefix.unpack(b) self.assertTrue(isinstance(nt, IPv4Interface)) self.assertEqual(str(nt), '2.2.2.0/24') b = address4_with_prefix.pack('2.2.2.2/24') self.assertEqual(len(b), 5) nt, size = address4_with_prefix.unpack(b) self.assertTrue(isinstance(nt, IPv4Interface)) self.assertEqual(str(nt), '2.2.2.2/24') b = address4_with_prefix.pack(IPv4Interface('2.2.2.2/24')) self.assertEqual(len(b), 5) b = address6_with_prefix.pack('2::2/64') self.assertEqual(len(b), 17) nt, size = address6_with_prefix.unpack(b) self.assertTrue(isinstance(nt, IPv6Interface)) self.assertEqual(str(nt), '2::2/64') b = address6_with_prefix.pack(IPv6Interface('2::2/64')) self.assertEqual(len(b), 17) b = prefix.pack('192.168.10.0/24') self.assertEqual(len(b), 21) nt, size = prefix.unpack(b) self.assertTrue(isinstance(nt, IPv4Network)) self.assertEqual(str(nt), '192.168.10.0/24') b = awp_type.pack({'address': '1.2.3.4/24'}) self.assertEqual(len(b), 21) nt, size = awp_type.unpack(b) self.assertTrue(isinstance(nt.address, IPv4Interface)) self.assertEqual(str(nt.address), '1.2.3.4/24') b = awp_type.pack({'address': IPv4Interface('1.2.3.4/24')}) self.assertEqual(len(b), 21) nt, size = awp_type.unpack(b) self.assertTrue(isinstance(nt.address, IPv4Interface)) self.assertEqual(str(nt.address), '1.2.3.4/24')
def test_abf(self): fib_mpls_label = VPPType( "vl_api_fib_mpls_label_t", [["u8", "is_uniform"], ["u32", "label"], ["u8", "ttl"], ["u8", "exp"]], ) label_stack = {"is_uniform": 0, "label": 0, "ttl": 0, "exp": 0} b = fib_mpls_label.pack(label_stack) self.assertEqual(len(b), 7) fib_path = VPPType( "vl_api_fib_path_t", [ ["u32", "sw_if_index"], ["u32", "table_id"], ["u8", "weight"], ["u8", "preference"], ["u8", "is_local"], ["u8", "is_drop"], ["u8", "is_udp_encap"], ["u8", "is_unreach"], ["u8", "is_prohibit"], ["u8", "is_resolve_host"], ["u8", "is_resolve_attached"], ["u8", "is_dvr"], ["u8", "is_source_lookup"], ["u8", "afi"], ["u8", "next_hop", 16], ["u32", "next_hop_id"], ["u32", "rpf_id"], ["u32", "via_label"], ["u8", "n_labels"], ["vl_api_fib_mpls_label_t", "label_stack", 16], ], ) label_stack_list = [] for i in range(16): label_stack_list.append(label_stack) paths = { "is_udp_encap": 0, "next_hop": b"\x10\x02\x02\xac", "table_id": 0, "afi": 0, "weight": 1, "next_hop_id": 4294967295, "label_stack": label_stack_list, "n_labels": 0, "sw_if_index": 4294967295, "preference": 0, } b = fib_path.pack(paths) self.assertEqual(len(b), (7 * 16) + 49) abf_policy = VPPType( "vl_api_abf_policy_t", [ ["u32", "policy_id"], ["u32", "acl_index"], ["u8", "n_paths"], ["vl_api_fib_path_t", "paths", 0, "n_paths"], ], ) policy = { "n_paths": 1, "paths": [paths], "acl_index": 0, "policy_id": 10 } b = abf_policy.pack(policy) self.assertEqual(len(b), (7 * 16) + 49 + 9) abf_policy_add_del = VPPMessage( "abf_policy_add_del", [ ["u16", "_vl_msg_id"], ["u32", "client_index"], ["u32", "context"], ["u8", "is_add"], ["vl_api_abf_policy_t", "policy"], ], ) b = abf_policy_add_del.pack({ "is_add": 1, "context": 66, "_vl_msg_id": 1066, "policy": policy }) nt, size = abf_policy_add_del.unpack(b) self.assertEqual( nt.policy.paths[0].next_hop, b"\x10\x02\x02\xac\x00\x00\x00\x00" b"\x00\x00\x00\x00\x00\x00\x00\x00", )
def test_address(self): af = VPPEnumType( "vl_api_address_family_t", [["ADDRESS_IP4", 0], ["ADDRESS_IP6", 1], { "enumtype": "u32" }], ) aff = VPPEnumFlagType( "vl_api_address_family_flag_t", [["ADDRESS_IP4", 0], ["ADDRESS_IP6", 1], { "enumtype": "u32" }], ) ip4 = VPPTypeAlias("vl_api_ip4_address_t", {"type": "u8", "length": 4}) ip6 = VPPTypeAlias("vl_api_ip6_address_t", { "type": "u8", "length": 16 }) VPPUnionType( "vl_api_address_union_t", [["vl_api_ip4_address_t", "ip4"], ["vl_api_ip6_address_t", "ip6"]], ) address = VPPType( "vl_api_address_t", [["vl_api_address_family_t", "af"], ["vl_api_address_union_t", "un"]], ) prefix = VPPType("vl_api_prefix_t", [["vl_api_address_t", "address"], ["u8", "len"]]) va_address_list = VPPType( "list_addresses", [["u8", "count"], ["vl_api_address_t", "addresses", 0, "count"]], ) message_with_va_address_list = VPPType( "msg_with_vla", [["list_addresses", "vla_address"], ["u8", "is_cool"]]) b = ip4.pack(inet_pton(AF_INET, "1.1.1.1")) self.assertEqual(len(b), 4) nt, size = ip4.unpack(b) self.assertEqual(str(nt), "1.1.1.1") b = ip6.pack(inet_pton(AF_INET6, "1::1")) self.assertEqual(len(b), 16) b = address.pack({ "af": af.ADDRESS_IP4, "un": { "ip4": inet_pton(AF_INET, "2.2.2.2") } }) self.assertEqual(len(b), 20) nt, size = address.unpack(b) self.assertEqual(str(nt), "2.2.2.2") # List of addresses address_list = [] for i in range(4): address_list.append({ "af": af.ADDRESS_IP4, "un": { "ip4": inet_pton(AF_INET, "2.2.2.2") } }) b = va_address_list.pack({ "count": len(address_list), "addresses": address_list }) self.assertEqual(len(b), 81) nt, size = va_address_list.unpack(b) self.assertEqual(str(nt.addresses[0]), "2.2.2.2") b = message_with_va_address_list.pack({ "vla_address": { "count": len(address_list), "addresses": address_list }, "is_cool": 100, }) self.assertEqual(len(b), 82) nt, size = message_with_va_address_list.unpack(b) self.assertEqual(nt.is_cool, 100)
def test_arrays(self): # Test cases # 1. Fixed list # 2. Fixed list of variable length sub type # 3. Variable length type # s = VPPType("str", [["u32", "length"], ["u8", "string", 0, "length"]]) ip4 = VPPType("ip4_address", [["u8", "address", 4]]) listip4 = VPPType("list_ip4_t", [["ip4_address", "addresses", 4]]) valistip4 = VPPType( "list_ip4_t", [["u8", "count"], ["ip4_address", "addresses", 0, "count"]]) valistip4_legacy = VPPType( "list_ip4_t", [["u8", "foo"], ["ip4_address", "addresses", 0]]) addresses = [] for i in range(4): addresses.append({"address": inet_pton(AF_INET, "2.2.2.2")}) b = listip4.pack({"addresses": addresses}) self.assertEqual(len(b), 16) nt, size = listip4.unpack(b) self.assertEqual(nt.addresses[0].address, inet_pton(AF_INET, "2.2.2.2")) b = valistip4.pack({"count": len(addresses), "addresses": addresses}) self.assertEqual(len(b), 17) nt, size = valistip4.unpack(b) self.assertEqual(nt.count, 4) self.assertEqual(nt.addresses[0].address, inet_pton(AF_INET, "2.2.2.2")) b = valistip4_legacy.pack({"foo": 1, "addresses": addresses}) self.assertEqual(len(b), 17) nt, size = valistip4_legacy.unpack(b) self.assertEqual(len(nt.addresses), 4) self.assertEqual(nt.addresses[0].address, inet_pton(AF_INET, "2.2.2.2")) string = "foobar foobar" b = s.pack({"length": len(string), "string": string.encode("utf-8")}) nt, size = s.unpack(b) self.assertEqual(len(b), size)
def test_recursive_address(self): af = VPPEnumType( "vl_api_address_family_t", [["ADDRESS_IP4", 0], ["ADDRESS_IP6", 1], { "enumtype": "u32" }], ) ip4 = VPPTypeAlias("vl_api_ip4_address_t", {"type": "u8", "length": 4}) b = ip4.pack("1.1.1.1") self.assertEqual(len(b), 4) nt, size = ip4.unpack(b) self.assertEqual(str(nt), "1.1.1.1") ip6 = VPPTypeAlias("vl_api_ip6_address_t", { "type": "u8", "length": 16 }) VPPUnionType( "vl_api_address_union_t", [["vl_api_ip4_address_t", "ip4"], ["vl_api_ip6_address_t", "ip6"]], ) address = VPPType( "vl_api_address_t", [["vl_api_address_family_t", "af"], ["vl_api_address_union_t", "un"]], ) prefix = VPPType("vl_api_prefix_t", [["vl_api_address_t", "address"], ["u8", "len"]]) message = VPPMessage("svs", [["vl_api_prefix_t", "prefix"]]) message_addr = VPPMessage("svs_address", [["vl_api_address_t", "address"]]) b = message_addr.pack({"address": "1::1"}) self.assertEqual(len(b), 20) nt, size = message_addr.unpack(b) self.assertEqual("1::1", str(nt.address)) b = message_addr.pack({"address": "1.1.1.1"}) self.assertEqual(len(b), 20) nt, size = message_addr.unpack(b) self.assertEqual("1.1.1.1", str(nt.address)) b = message.pack({"prefix": "1.1.1.0/24"}) self.assertEqual(len(b), 21) nt, size = message.unpack(b) self.assertEqual("1.1.1.0/24", str(nt.prefix)) message_array = VPPMessage("address_array", [["vl_api_ip6_address_t", "addresses", 2]]) b = message_array.pack({"addresses": [IPv6Address("1::1"), "2::2"]}) self.assertEqual(len(b), 32) message_array_vla = VPPMessage( "address_array_vla", [["u32", "num"], ["vl_api_ip6_address_t", "addresses", 0, "num"]], ) b = message_array_vla.pack({"addresses": ["1::1", "2::2"], "num": 2}) self.assertEqual(len(b), 36) message_array4 = VPPMessage("address_array4", [["vl_api_ip4_address_t", "addresses", 2]]) b = message_array4.pack({"addresses": ["1.1.1.1", "2.2.2.2"]}) self.assertEqual(len(b), 8) b = message_array4.pack( {"addresses": [IPv4Address("1.1.1.1"), "2.2.2.2"]}) self.assertEqual(len(b), 8) message = VPPMessage("address", [["vl_api_address_t", "address"]]) b = message.pack({"address": "1::1"}) self.assertEqual(len(b), 20) b = message.pack({"address": "1.1.1.1"}) self.assertEqual(len(b), 20) message = VPPMessage("prefix", [["vl_api_prefix_t", "prefix"]]) b = message.pack({"prefix": "1::1/130"}) self.assertEqual(len(b), 21) b = message.pack({"prefix": IPv6Network("1::/119")}) self.assertEqual(len(b), 21) b = message.pack({"prefix": IPv4Network("1.1.0.0/16")}) self.assertEqual(len(b), 21)
def test_address(self): af = VPPEnumType('vl_api_address_family_t', [["ADDRESS_IP4", 0], ["ADDRESS_IP6", 1], { "enumtype": "u32" }]) ip4 = VPPType('vl_api_ip4_address_t', [['u8', 'address', 4]]) ip6 = VPPType('vl_api_ip6_address_t', [['u8', 'address', 16]]) VPPUnionType( 'vl_api_address_union_t', [["vl_api_ip4_address_t", "ip4"], ["vl_api_ip6_address_t", "ip6"]]) address = VPPType('vl_api_address_t', [['vl_api_address_family_t', 'af'], ['vl_api_address_union_t', 'un']]) va_address_list = VPPType( 'list_addresses', [['u8', 'count'], ['vl_api_address_t', 'addresses', 0, 'count']]) message_with_va_address_list = VPPType( 'msg_with_vla', [['list_addresses', 'vla_address'], ['u8', 'is_cool']]) b = ip4.pack({'address': inet_pton(AF_INET, '1.1.1.1')}) self.assertEqual(len(b), 4) nt, size = ip4.unpack(b) self.assertEqual(nt.address, inet_pton(AF_INET, '1.1.1.1')) b = ip6.pack({'address': inet_pton(AF_INET6, '1::1')}) self.assertEqual(len(b), 16) b = address.pack({ 'af': af.ADDRESS_IP4, 'un': { 'ip4': { 'address': inet_pton(AF_INET, '2.2.2.2') } } }) self.assertEqual(len(b), 20) nt, size = address.unpack(b) self.assertEqual(nt.af, af.ADDRESS_IP4) self.assertEqual(nt.un.ip4.address, inet_pton(AF_INET, '2.2.2.2')) self.assertEqual(nt.un.ip6.address, inet_pton(AF_INET6, '0202:0202::')) # List of addresses address_list = [] for i in range(4): address_list.append({ 'af': af.ADDRESS_IP4, 'un': { 'ip4': { 'address': inet_pton(AF_INET, '2.2.2.2') } } }) b = va_address_list.pack({ 'count': len(address_list), 'addresses': address_list }) self.assertEqual(len(b), 81) nt, size = va_address_list.unpack(b) self.assertEqual(nt.addresses[0].un.ip4.address, inet_pton(AF_INET, '2.2.2.2')) b = message_with_va_address_list.pack({ 'vla_address': { 'count': len(address_list), 'addresses': address_list }, 'is_cool': 100 }) self.assertEqual(len(b), 82) nt, size = message_with_va_address_list.unpack(b) self.assertEqual(nt.is_cool, 100)
def test_string(self): fixed_string = VPPType('fixed_string', [['string', 'name', 16]]) b = fixed_string.pack({'name': 'foobar'}) self.assertEqual(len(b), 16) # Ensure string is nul terminated self.assertEqual(b.decode('ascii')[6], '\x00') nt, size = fixed_string.unpack(b) self.assertEqual(size, 16) self.assertEqual(nt.name, 'foobar') # Empty string b = fixed_string.pack({'name': ''}) self.assertEqual(len(b), 16) nt, size = fixed_string.unpack(b) self.assertEqual(size, 16) self.assertEqual(nt.name, '') # String too long with self.assertRaises(VPPSerializerValueError): b = fixed_string.pack({'name': 'foobarfoobar1234'}) variable_string = VPPType('variable_string', [['string', 'name', 0]]) b = variable_string.pack({'name': 'foobar'}) self.assertEqual(len(b), 4 + len('foobar')) nt, size = variable_string.unpack(b) self.assertEqual(size, 4 + len('foobar')) self.assertEqual(nt.name, 'foobar') self.assertEqual(len(nt.name), len('foobar'))
def test_arrays(self): # Test cases # 1. Fixed list # 2. Fixed list of variable length sub type # 3. Variable length type # s = VPPType('str', [['u32', 'length'], ['u8', 'string', 0, 'length']]) ip4 = VPPType('ip4_address', [['u8', 'address', 4]]) listip4 = VPPType('list_ip4_t', [['ip4_address', 'addresses', 4]]) valistip4 = VPPType('list_ip4_t', [['u8', 'count'], ['ip4_address', 'addresses', 0, 'count']]) valistip4_legacy = VPPType('list_ip4_t', [['u8', 'foo'], ['ip4_address', 'addresses', 0]]) addresses = [] for i in range(4): addresses.append({'address': inet_pton(AF_INET, '2.2.2.2')}) b = listip4.pack({'addresses': addresses}) self.assertEqual(len(b), 16) nt, size = listip4.unpack(b) self.assertEqual(nt.addresses[0].address, inet_pton(AF_INET, '2.2.2.2')) b = valistip4.pack({'count': len(addresses), 'addresses': addresses}) self.assertEqual(len(b), 17) nt, size = valistip4.unpack(b) self.assertEqual(nt.count, 4) self.assertEqual(nt.addresses[0].address, inet_pton(AF_INET, '2.2.2.2')) b = valistip4_legacy.pack({'foo': 1, 'addresses': addresses}) self.assertEqual(len(b), 17) nt, size = valistip4_legacy.unpack(b) self.assertEqual(len(nt.addresses), 4) self.assertEqual(nt.addresses[0].address, inet_pton(AF_INET, '2.2.2.2')) string = 'foobar foobar' b = s.pack({'length': len(string), 'string': string.encode('utf-8')}) nt, size = s.unpack(b) self.assertEqual(len(b), size)
def test_recursive_address(self): af = VPPEnumType('vl_api_address_family_t', [["ADDRESS_IP4", 0], ["ADDRESS_IP6", 1], { "enumtype": "u32" }]) ip4 = VPPTypeAlias('vl_api_ip4_address_t', {'type': 'u8', 'length': 4}) b = ip4.pack('1.1.1.1') self.assertEqual(len(b), 4) nt, size = ip4.unpack(b) self.assertEqual(str(nt), '1.1.1.1') ip6 = VPPTypeAlias('vl_api_ip6_address_t', { 'type': 'u8', 'length': 16 }) VPPUnionType( 'vl_api_address_union_t', [["vl_api_ip4_address_t", "ip4"], ["vl_api_ip6_address_t", "ip6"]]) address = VPPType('vl_api_address_t', [['vl_api_address_family_t', 'af'], ['vl_api_address_union_t', 'un']]) prefix = VPPType('vl_api_prefix_t', [['vl_api_address_t', 'address'], ['u8', 'len']]) message = VPPMessage('svs', [['vl_api_prefix_t', 'prefix']]) message_addr = VPPMessage('svs_address', [['vl_api_address_t', 'address']]) b = message_addr.pack({'address': "1::1"}) self.assertEqual(len(b), 20) nt, size = message_addr.unpack(b) self.assertEqual("1::1", str(nt.address)) b = message_addr.pack({'address': "1.1.1.1"}) self.assertEqual(len(b), 20) nt, size = message_addr.unpack(b) self.assertEqual("1.1.1.1", str(nt.address)) b = message.pack({'prefix': "1.1.1.0/24"}) self.assertEqual(len(b), 21) nt, size = message.unpack(b) self.assertEqual("1.1.1.0/24", str(nt.prefix)) message_array = VPPMessage('address_array', [['vl_api_ip6_address_t', 'addresses', 2]]) b = message_array.pack({'addresses': [IPv6Address(u"1::1"), "2::2"]}) self.assertEqual(len(b), 32) message_array_vla = VPPMessage( 'address_array_vla', [['u32', 'num'], ['vl_api_ip6_address_t', 'addresses', 0, 'num']]) b = message_array_vla.pack({'addresses': ["1::1", "2::2"], 'num': 2}) self.assertEqual(len(b), 36) message_array4 = VPPMessage('address_array4', [['vl_api_ip4_address_t', 'addresses', 2]]) b = message_array4.pack({'addresses': ["1.1.1.1", "2.2.2.2"]}) self.assertEqual(len(b), 8) b = message_array4.pack( {'addresses': [IPv4Address(u"1.1.1.1"), "2.2.2.2"]}) self.assertEqual(len(b), 8) message = VPPMessage('address', [['vl_api_address_t', 'address']]) b = message.pack({'address': '1::1'}) self.assertEqual(len(b), 20) b = message.pack({'address': '1.1.1.1'}) self.assertEqual(len(b), 20) message = VPPMessage('prefix', [['vl_api_prefix_t', 'prefix']]) b = message.pack({'prefix': '1::1/130'}) self.assertEqual(len(b), 21) b = message.pack({'prefix': IPv6Network(u'1::/119')}) self.assertEqual(len(b), 21) b = message.pack({'prefix': IPv4Network(u'1.1.0.0/16')}) self.assertEqual(len(b), 21)
def test_defaults(self): default_type = VPPType("default_type_t", [["u16", "mtu", { "default": 1500, "limit": 0 }]]) without_default_type = VPPType("without_default_type_t", [["u16", "mtu"]]) b = default_type.pack({}) self.assertEqual(len(b), 2) nt, size = default_type.unpack(b) self.assertEqual(len(b), size) self.assertEqual(nt.mtu, 1500) # distinguish between parameter 0 and parameter not passed b = default_type.pack({"mtu": 0}) self.assertEqual(len(b), 2) nt, size = default_type.unpack(b) self.assertEqual(len(b), size) self.assertEqual(nt.mtu, 0) # Ensure that basetypes does not inherit default b = without_default_type.pack({}) self.assertEqual(len(b), 2) nt, size = default_type.unpack(b) self.assertEqual(len(b), size) self.assertEqual(nt.mtu, 0) # default enum type VPPEnumType( "vl_api_enum_t", [["ADDRESS_IP4", 0], ["ADDRESS_IP6", 1], { "enumtype": "u32" }], ) default_with_enum = VPPType( "default_enum_type_t", [["u16", "mtu"], ["vl_api_enum_t", "e", { "default": 1 }]], ) b = default_with_enum.pack({}) self.assertEqual(len(b), 6) nt, size = default_with_enum.unpack(b) self.assertEqual(len(b), size) self.assertEqual(nt.e, 1)
def test_defaults(self): default_type = VPPType('default_type_t', [['u16', 'mtu', { 'default': 1500, 'limit': 0 }]]) without_default_type = VPPType('without_default_type_t', [['u16', 'mtu']]) b = default_type.pack({}) self.assertEqual(len(b), 2) nt, size = default_type.unpack(b) self.assertEqual(len(b), size) self.assertEqual(nt.mtu, 1500) # distinguish between parameter 0 and parameter not passed b = default_type.pack({'mtu': 0}) self.assertEqual(len(b), 2) nt, size = default_type.unpack(b) self.assertEqual(len(b), size) self.assertEqual(nt.mtu, 0) # Ensure that basetypes does not inherit default b = without_default_type.pack({}) self.assertEqual(len(b), 2) nt, size = default_type.unpack(b) self.assertEqual(len(b), size) self.assertEqual(nt.mtu, 0) # default enum type VPPEnumType('vl_api_enum_t', [["ADDRESS_IP4", 0], ["ADDRESS_IP6", 1], { "enumtype": "u32" }]) default_with_enum = VPPType( 'default_enum_type_t', [['u16', 'mtu'], ['vl_api_enum_t', 'e', { 'default': 1 }]]) b = default_with_enum.pack({}) self.assertEqual(len(b), 6) nt, size = default_with_enum.unpack(b) self.assertEqual(len(b), size) self.assertEqual(nt.e, 1)
def test_address(self): af = VPPEnumType('vl_api_address_family_t', [["ADDRESS_IP4", 0], ["ADDRESS_IP6", 1], { "enumtype": "u32" }]) ip4 = VPPType('vl_api_ip4_address_t', [['u8', 'address', 4]]) ip6 = VPPType('vl_api_ip6_address_t', [['u8', 'address', 16]]) VPPUnionType( 'vl_api_address_union_t', [["vl_api_ip4_address_t", "ip4"], ["vl_api_ip6_address_t", "ip6"]]) address = VPPType('address', [['vl_api_address_family_t', 'af'], ['vl_api_address_union_t', 'un']]) b = ip4.pack({'address': inet_pton(AF_INET, '1.1.1.1')}) self.assertEqual(len(b), 4) nt = ip4.unpack(b) self.assertEqual(nt.address, inet_pton(AF_INET, '1.1.1.1')) b = ip6.pack({'address': inet_pton(AF_INET6, '1::1')}) self.assertEqual(len(b), 16) b = address.pack({ 'af': af.ADDRESS_IP4, 'un': { 'ip4': { 'address': inet_pton(AF_INET, '2.2.2.2') } } }) self.assertEqual(len(b), 20) nt = address.unpack(b) self.assertEqual(nt.af, af.ADDRESS_IP4) self.assertEqual(nt.un.ip4.address, inet_pton(AF_INET, '2.2.2.2')) self.assertEqual(nt.un.ip6.address, inet_pton(AF_INET6, '0202:0202::'))
def test_abf(self): fib_mpls_label = VPPType('vl_api_fib_mpls_label_t', [['u8', 'is_uniform'], ['u32', 'label'], ['u8', 'ttl'], ['u8', 'exp']]) label_stack = {'is_uniform': 0, 'label': 0, 'ttl': 0, 'exp': 0} b = fib_mpls_label.pack(label_stack) self.assertEqual(len(b), 7) fib_path = VPPType( 'vl_api_fib_path_t', [['u32', 'sw_if_index'], ['u32', 'table_id'], ['u8', 'weight'], ['u8', 'preference'], ['u8', 'is_local'], ['u8', 'is_drop'], ['u8', 'is_udp_encap'], ['u8', 'is_unreach'], [ 'u8', 'is_prohibit' ], ['u8', 'is_resolve_host'], ['u8', 'is_resolve_attached'], ['u8', 'is_dvr'], ['u8', 'is_source_lookup'], ['u8', 'afi'], ['u8', 'next_hop', 16], ['u32', 'next_hop_id'], ['u32', 'rpf_id'], ['u32', 'via_label'], ['u8', 'n_labels'], ['vl_api_fib_mpls_label_t', 'label_stack', 16]]) label_stack_list = [] for i in range(16): label_stack_list.append(label_stack) paths = { 'is_udp_encap': 0, 'next_hop': b'\x10\x02\x02\xac', 'table_id': 0, 'afi': 0, 'weight': 1, 'next_hop_id': 4294967295, 'label_stack': label_stack_list, 'n_labels': 0, 'sw_if_index': 4294967295, 'preference': 0 } b = fib_path.pack(paths) self.assertEqual(len(b), (7 * 16) + 49) abf_policy = VPPType( 'vl_api_abf_policy_t', [['u32', 'policy_id'], ['u32', 'acl_index'], ['u8', 'n_paths'], ['vl_api_fib_path_t', 'paths', 0, 'n_paths']]) policy = { 'n_paths': 1, 'paths': [paths], 'acl_index': 0, 'policy_id': 10 } b = abf_policy.pack(policy) self.assertEqual(len(b), (7 * 16) + 49 + 9) abf_policy_add_del = VPPMessage( 'abf_policy_add_del', [['u16', '_vl_msg_id'], ['u32', 'client_index'], [ 'u32', 'context' ], ['u8', 'is_add'], ['vl_api_abf_policy_t', 'policy']]) b = abf_policy_add_del.pack({ 'is_add': 1, 'context': 66, '_vl_msg_id': 1066, 'policy': policy }) nt, size = abf_policy_add_del.unpack(b) self.assertEqual( nt.policy.paths[0].next_hop, b'\x10\x02\x02\xac\x00\x00\x00\x00' b'\x00\x00\x00\x00\x00\x00\x00\x00')
def test_string(self): fixed_string = VPPType("fixed_string", [["string", "name", 16]]) b = fixed_string.pack({"name": "foobar"}) self.assertEqual(len(b), 16) # Ensure string is nul terminated self.assertEqual(b.decode("ascii")[6], "\x00") nt, size = fixed_string.unpack(b) self.assertEqual(size, 16) self.assertEqual(nt.name, "foobar") # Empty string b = fixed_string.pack({"name": ""}) self.assertEqual(len(b), 16) nt, size = fixed_string.unpack(b) self.assertEqual(size, 16) self.assertEqual(nt.name, "") # String too long with self.assertRaises(VPPSerializerValueError): b = fixed_string.pack({"name": "foobarfoobar1234"}) variable_string = VPPType("variable_string", [["string", "name", 0]]) b = variable_string.pack({"name": "foobar"}) self.assertEqual(len(b), 4 + len("foobar")) nt, size = variable_string.unpack(b) self.assertEqual(size, 4 + len("foobar")) self.assertEqual(nt.name, "foobar") self.assertEqual(len(nt.name), len("foobar"))
def test_arrays(self): # Test cases # 1. Fixed list # 2. Fixed list of variable length sub type # 3. Variable length type # s = VPPType('str', [['u32', 'length'], ['u8', 'string', 0, 'length']]) ip4 = VPPType('ip4_address', [['u8', 'address', 4]]) listip4 = VPPType('list_ip4_t', [['ip4_address', 'addresses', 4]]) valistip4 = VPPType( 'list_ip4_t', [['u8', 'count'], ['ip4_address', 'addresses', 0, 'count']]) valistip4_legacy = VPPType( 'list_ip4_t', [['u8', 'foo'], ['ip4_address', 'addresses', 0]]) addresses = [] for i in range(4): addresses.append({'address': inet_pton(AF_INET, '2.2.2.2')}) b = listip4.pack({'addresses': addresses}) self.assertEqual(len(b), 16) nt, size = listip4.unpack(b) self.assertEqual(nt.addresses[0].address, inet_pton(AF_INET, '2.2.2.2')) b = valistip4.pack({'count': len(addresses), 'addresses': addresses}) self.assertEqual(len(b), 17) nt, size = valistip4.unpack(b) self.assertEqual(nt.count, 4) self.assertEqual(nt.addresses[0].address, inet_pton(AF_INET, '2.2.2.2')) b = valistip4_legacy.pack({'foo': 1, 'addresses': addresses}) self.assertEqual(len(b), 17) nt, size = valistip4_legacy.unpack(b) self.assertEqual(len(nt.addresses), 4) self.assertEqual(nt.addresses[0].address, inet_pton(AF_INET, '2.2.2.2')) string = 'foobar foobar' b = s.pack({'length': len(string), 'string': string}) nt, size = s.unpack(b) self.assertEqual(len(b), size)
def test_lisp(self): VPPEnumType( "vl_api_eid_type_t", [ ["EID_TYPE_API_PREFIX", 0], ["EID_TYPE_API_MAC", 1], ["EID_TYPE_API_NSH", 2], { "enumtype": "u32" }, ], ) VPPTypeAlias("vl_api_mac_address_t", {"type": "u8", "length": 6}) VPPType("vl_api_nsh_t", [["u32", "spi"], ["u8", "si"]]) VPPEnumType( "vl_api_address_family_t", [["ADDRESS_IP4", 0], ["ADDRESS_IP6", 1], { "enumtype": "u32" }], ) VPPTypeAlias("vl_api_ip4_address_t", {"type": "u8", "length": 4}) VPPTypeAlias("vl_api_ip6_address_t", {"type": "u8", "length": 16}) VPPUnionType( "vl_api_address_union_t", [["vl_api_ip4_address_t", "ip4"], ["vl_api_ip6_address_t", "ip6"]], ) VPPType( "vl_api_address_t", [["vl_api_address_family_t", "af"], ["vl_api_address_union_t", "un"]], ) VPPType("vl_api_prefix_t", [["vl_api_address_t", "address"], ["u8", "len"]]) VPPUnionType( "vl_api_eid_address_t", [ ["vl_api_prefix_t", "prefix"], ["vl_api_mac_address_t", "mac"], ["vl_api_nsh_t", "nsh"], ], ) eid = VPPType( "vl_api_eid_t", [["vl_api_eid_type_t", "type"], ["vl_api_eid_address_t", "address"]], ) b = eid.pack({ "type": 1, "address": { "mac": MACAddress("aa:bb:cc:dd:ee:ff") } }) self.assertEqual(len(b), 25) nt, size = eid.unpack(b) self.assertEqual(str(nt.address.mac), "aa:bb:cc:dd:ee:ff") self.assertIsNone(nt.address.prefix)