diff options
Diffstat (limited to 'src/vpp-api/python/vpp_papi')
| -rwxr-xr-x | src/vpp-api/python/vpp_papi/tests/test_vpp_serializer.py | 76 | ||||
| -rw-r--r-- | src/vpp-api/python/vpp_papi/vpp_papi.py | 6 | ||||
| -rw-r--r-- | src/vpp-api/python/vpp_papi/vpp_serializer.py | 51 |
3 files changed, 97 insertions, 36 deletions
diff --git a/src/vpp-api/python/vpp_papi/tests/test_vpp_serializer.py b/src/vpp-api/python/vpp_papi/tests/test_vpp_serializer.py index 9fee161684d..4e8a417c6fd 100755 --- a/src/vpp-api/python/vpp_papi/tests/test_vpp_serializer.py +++ b/src/vpp-api/python/vpp_papi/tests/test_vpp_serializer.py @@ -16,8 +16,8 @@ class TestAddType(unittest.TestCase): ['u32', 'is_int']]) b = un.pack({'is_int': 0x12345678}) - self.assertEqual(len(b), 4) - nt = un.unpack(b) + nt, size = un.unpack(b) + self.assertEqual(len(b), size) self.assertEqual(nt.is_bool, 0x12) self.assertEqual(nt.is_int, 0x12345678) @@ -31,12 +31,23 @@ class TestAddType(unittest.TestCase): [["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']]) + 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 = ip4.unpack(b) + 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')}) @@ -48,19 +59,45 @@ class TestAddType(unittest.TestCase): {'address': inet_pton(AF_INET, '2.2.2.2')}}}) self.assertEqual(len(b), 20) - nt = address.unpack(b) + 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_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', @@ -76,26 +113,39 @@ class TestAddType(unittest.TestCase): 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) - + 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 = valistip4.unpack(b) + 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 = valistip4_legacy.unpack(b) + 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_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_message(self): foo = VPPMessage('foo', [['u16', '_vl_msg_id'], ['u8', 'client_index'], @@ -103,8 +153,8 @@ class TestAddType(unittest.TestCase): {"crc": "0x559b9f3c"}]) b = foo.pack({'_vl_msg_id': 1, 'client_index': 5, 'something': 200}) - self.assertEqual(len(b), 4) - nt = foo.unpack(b) + nt, size = foo.unpack(b) + self.assertEqual(len(b), size) self.assertEqual(nt.something, 200) def test_abf(self): @@ -189,7 +239,7 @@ class TestAddType(unittest.TestCase): '_vl_msg_id': 1066, 'policy': policy}) - nt = abf_policy_add_del.unpack(b) + 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') diff --git a/src/vpp-api/python/vpp_papi/vpp_papi.py b/src/vpp-api/python/vpp_papi/vpp_papi.py index d5ad837331e..4f765ecbd18 100644 --- a/src/vpp-api/python/vpp_papi/vpp_papi.py +++ b/src/vpp-api/python/vpp_papi/vpp_papi.py @@ -523,8 +523,7 @@ class VPP(): if not msg: self.logger.warning('vpp_api.read failed') return - - i, ci = self.header.unpack(msg, 0) + (i, ci), size = self.header.unpack(msg, 0) if self.id_names[i] == 'rx_thread_exit': return @@ -535,8 +534,7 @@ class VPP(): if not msgobj: raise IOError(2, 'Reply message undefined') - r = msgobj.unpack(msg) - + r, size = msgobj.unpack(msg) return r def msg_handler_async(self, msg): diff --git a/src/vpp-api/python/vpp_papi/vpp_serializer.py b/src/vpp-api/python/vpp_papi/vpp_serializer.py index cd9a281964a..2177cdbb2e4 100644 --- a/src/vpp-api/python/vpp_papi/vpp_serializer.py +++ b/src/vpp-api/python/vpp_papi/vpp_serializer.py @@ -48,7 +48,7 @@ class BaseTypes(): return self.packer.pack(data) def unpack(self, data, offset, result=None): - return self.packer.unpack_from(data, offset)[0] + return self.packer.unpack_from(data, offset)[0], self.packer.size types = {} @@ -102,15 +102,18 @@ class FixedList(): def unpack(self, data, offset=0, result=None): # Return a list of arguments result = [] + total = 0 for e in range(self.num): - x = self.packer.unpack(data, offset) + x, size = self.packer.unpack(data, offset) result.append(x) - offset += self.packer.size - return result + offset += size + total += size + return result, total class VLAList(): def __init__(self, name, field_type, len_field_name, index): + self.name = name self.index = index self.packer = types[field_type] self.size = self.packer.size @@ -132,21 +135,22 @@ class VLAList(): def unpack(self, data, offset=0, result=None): # Return a list of arguments + total = 0 # u8 array if self.packer.size == 1: if result[self.index] == 0: - return b'' + return b'', 0 p = BaseTypes('u8', result[self.index]) - r = p.unpack(data, offset) - return r + return p.unpack(data, offset) r = [] for e in range(result[self.index]): - x = self.packer.unpack(data, offset) + x, size = self.packer.unpack(data, offset) r.append(x) - offset += self.packer.size - return r + offset += size + total += size + return r, total class VLAList_legacy(): @@ -164,16 +168,18 @@ class VLAList_legacy(): return b def unpack(self, data, offset=0, result=None): + total = 0 # Return a list of arguments if (len(data) - offset) % self.packer.size: raise ValueError('Legacy Variable Length Array length mismatch.') elements = int((len(data) - offset) / self.packer.size) r = [] for e in range(elements): - x = self.packer.unpack(data, offset) + x, size = self.packer.unpack(data, offset) r.append(x) offset += self.packer.size - return r + total += size + return r, total class VPPEnumType(): @@ -198,8 +204,8 @@ class VPPEnumType(): return types['u32'].pack(data, kwargs) def unpack(self, data, offset=0, result=None): - x = types['u32'].unpack(data, offset) - return self.enum(x) + x, size = types['u32'].unpack(data, offset) + return self.enum(x), size class VPPUnionType(): @@ -239,9 +245,13 @@ class VPPUnionType(): def unpack(self, data, offset=0, result=None): r = [] + maxsize = 0 for k, p in self.packers.items(): - r.append(p.unpack(data, offset)) - return self.tuple._make(r) + x, size = p.unpack(data, offset) + if size > maxsize: + maxsize = size + r.append(x) + return self.tuple._make(r), maxsize class VPPType(): @@ -310,13 +320,16 @@ class VPPType(): def unpack(self, data, offset=0, result=None): # Return a list of arguments result = [] + total = 0 for p in self.packers: - x = p.unpack(data, offset, result) + x, size = p.unpack(data, offset, result) if type(x) is tuple and len(x) == 1: x = x[0] result.append(x) - offset += p.size - return self.tuple._make(result) + offset += size + total += size + t = self.tuple._make(result) + return t, total class VPPMessage(VPPType): |