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_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_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_message(self):
foo = VPPMessage('foo', [['u16', '_vl_msg_id'], ['u8', 'client_index'],
['u8', 'something'], {
"crc": "0x559b9f3c"
}])
b = foo.pack({'_vl_msg_id': 1, 'client_index': 5, 'something': 200})
nt, size = foo.unpack(b)
self.assertEqual(len(b), size)
self.assertEqual(nt.something, 200)
def test_message(self):
foo = VPPMessage('foo', [['u16', '_vl_msg_id'],
['u8', 'client_index'],
['u8', 'something'],
{"crc": "0x559b9f3c"}])
b = foo.pack({'_vl_msg_id': 1, 'client_index': 5,
'something': 200})
nt, size = foo.unpack(b)
self.assertEqual(len(b), size)
self.assertEqual(nt.something, 200)
def test_message(self):
foo = VPPMessage(
"foo",
[
["u16", "_vl_msg_id"],
["u8", "client_index"],
["u8", "something"],
{
"crc": "0x559b9f3c"
},
],
)
b = foo.pack({"_vl_msg_id": 1, "client_index": 5, "something": 200})
nt, size = foo.unpack(b)
self.assertEqual(len(b), size)
self.assertEqual(nt.something, 200)
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_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_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_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_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_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_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', '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", 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_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')
