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#!/usr/bin/env python
import unittest
from vpp_papi.vpp_serializer import VPPType, VPPEnumType
from vpp_papi.vpp_serializer import VPPUnionType, VPPMessage
from socket import inet_pton, AF_INET, AF_INET6
import logging
import sys
class TestAddType(unittest.TestCase):
def test_union(self):
un = VPPUnionType('test_union',
[['u8', 'is_bool'],
['u32', 'is_int']])
b = un.pack({'is_int': 0x12345678})
self.assertEqual(len(b), 4)
nt = un.unpack(b)
self.assertEqual(nt.is_bool, 0x12)
self.assertEqual(nt.is_int, 0x12345678)
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_arrays(self):
# Test cases
# 1. Fixed list
# 2. Fixed list of variable length sub type
# 3. Variable length type
#
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 = 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 = 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 = valistip4_legacy.unpack(b)
self.assertEqual(len(nt.addresses), 4)
self.assertEqual(nt.addresses[0].address,
inet_pton(AF_INET, '2.2.2.2'))
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})
self.assertEqual(len(b), 4)
nt = foo.unpack(b)
self.assertEqual(nt.something, 200)
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 = 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_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)
if __name__ == '__main__':
unittest.main()
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