| import socket |
| |
| from vpp_object import VppObject |
| |
| |
| class VppLispLocatorSet(VppObject): |
| """ Represents LISP locator set in VPP """ |
| |
| def __init__(self, test, ls_name): |
| self._test = test |
| self._ls_name = ls_name |
| |
| @property |
| def test(self): |
| return self._test |
| |
| @property |
| def ls_name(self): |
| return self._ls_name |
| |
| def add_vpp_config(self): |
| self.test.vapi.lisp_add_del_locator_set(ls_name=self._ls_name) |
| self._test.registry.register(self, self.test.logger) |
| |
| def get_lisp_locator_sets_dump_entry(self): |
| result = self.test.vapi.lisp_locator_set_dump() |
| for ls in result: |
| if ls.ls_name.strip(b'\x00') == self._ls_name: |
| return ls |
| return None |
| |
| def query_vpp_config(self): |
| return self.get_lisp_locator_sets_dump_entry() is not None |
| |
| def remove_vpp_config(self): |
| self.test.vapi.lisp_add_del_locator_set(ls_name=self._ls_name, |
| is_add=0) |
| |
| def object_id(self): |
| return 'lisp-locator-set-%s' % self._ls_name |
| |
| |
| class VppLispLocator(VppObject): |
| """ Represents LISP locator in VPP """ |
| |
| def __init__(self, test, sw_if_index, ls_name, priority=1, weight=1): |
| self._test = test |
| self._sw_if_index = sw_if_index |
| self._ls_name = ls_name |
| self._priority = priority |
| self._weight = weight |
| |
| @property |
| def test(self): |
| """ Test which created this locator """ |
| return self._test |
| |
| @property |
| def ls_name(self): |
| """ Locator set name """ |
| return self._ls_name |
| |
| @property |
| def sw_if_index(self): |
| return self._sw_if_index |
| |
| @property |
| def priority(self): |
| return self._priority |
| |
| @property |
| def weight(self): |
| return self._weight |
| |
| def add_vpp_config(self): |
| self.test.vapi.lisp_add_del_locator(ls_name=self._ls_name, |
| sw_if_index=self._sw_if_index, |
| priority=self._priority, |
| weight=self._weight) |
| self._test.registry.register(self, self.test.logger) |
| |
| def get_lisp_locator_dump_entry(self): |
| locators = self.test.vapi.lisp_locator_dump( |
| is_index_set=0, ls_name=self._ls_name) |
| for locator in locators: |
| if locator.sw_if_index == self._sw_if_index: |
| return locator |
| return None |
| |
| def query_vpp_config(self): |
| locator = self.get_lisp_locator_dump_entry() |
| return locator is not None |
| |
| def remove_vpp_config(self): |
| self.test.vapi.lisp_add_del_locator( |
| ls_name=self._ls_name, sw_if_index=self._sw_if_index, |
| priority=self._priority, weight=self._weight, is_add=0) |
| self._test.registry.register(self, self.test.logger) |
| |
| def object_id(self): |
| return 'lisp-locator-%s-%d' % (self._ls_name, self._sw_if_index) |
| |
| |
| class LispEIDType(object): |
| IP4 = 0 |
| IP6 = 1 |
| MAC = 2 |
| |
| |
| class LispKeyIdType(object): |
| NONE = 0 |
| SHA1 = 1 |
| SHA256 = 2 |
| |
| |
| class LispEID(object): |
| """ Lisp endpoint identifier """ |
| def __init__(self, eid): |
| self.eid = eid |
| |
| # find out whether EID is ip4 prefix, ip6 prefix or MAC |
| if self.eid.find("/") != -1: |
| if self.eid.find(":") == -1: |
| self.eid_type = LispEIDType.IP4 |
| self.data_length = 4 |
| else: |
| self.eid_type = LispEIDType.IP6 |
| self.data_length = 16 |
| |
| self.eid_address = self.eid.split("/")[0] |
| self.prefix_length = int(self.eid.split("/")[1]) |
| elif self.eid.count(":") == 5: # MAC address |
| self.eid_type = LispEIDType.MAC |
| self.eid_address = self.eid |
| self.prefix_length = 0 |
| self.data_length = 6 |
| else: |
| raise Exception('Unsupported EID format {!s}!'.format(eid)) |
| |
| @property |
| def packed(self): |
| if self.eid_type == LispEIDType.IP4: |
| return socket.inet_pton(socket.AF_INET, self.eid_address) |
| elif self.eid_type == LispEIDType.IP6: |
| return socket.inet_pton(socket.AF_INET6, self.eid_address) |
| elif self.eid_type == LispEIDType.MAC: |
| return Exception('Unimplemented') |
| raise Exception('Unknown EID type {!s}!'.format(self.eid_type)) |
| |
| |
| class VppLispMapping(VppObject): |
| """ Represents common features for remote and local LISP mapping in VPP """ |
| |
| def __init__(self, test, eid, vni=0, priority=1, weight=1): |
| self._eid = LispEID(eid) |
| self._test = test |
| self._priority = priority |
| self._weight = weight |
| self._vni = vni |
| |
| @property |
| def test(self): |
| return self._test |
| |
| @property |
| def vni(self): |
| return self._vni |
| |
| @property |
| def eid(self): |
| return self._eid |
| |
| @property |
| def priority(self): |
| return self._priority |
| |
| @property |
| def weight(self): |
| return self._weight |
| |
| def get_lisp_mapping_dump_entry(self): |
| return self.test.vapi.lisp_eid_table_dump( |
| eid_set=1, prefix_length=self._eid.prefix_length, |
| vni=self._vni, eid_type=self._eid.eid_type, |
| eid=self._eid.packed) |
| |
| def query_vpp_config(self): |
| mapping = self.get_lisp_mapping_dump_entry() |
| return mapping |
| |
| def object_id(self): |
| return 'lisp-mapping-[%s]-%s-%s-%s' % ( |
| self.vni, self.eid, self.priority, self.weight) |
| |
| |
| class VppLocalMapping(VppLispMapping): |
| """ LISP Local mapping """ |
| def __init__(self, test, eid, ls_name, vni=0, priority=1, weight=1, |
| key_id=LispKeyIdType.NONE, key=''): |
| super(VppLocalMapping, self).__init__(test, eid, vni, priority, weight) |
| self._ls_name = ls_name |
| self._key_id = key_id |
| self._key = key |
| |
| @property |
| def ls_name(self): |
| return self._ls_name |
| |
| @property |
| def key_id(self): |
| return self._key_id |
| |
| @property |
| def key(self): |
| return self._key |
| |
| def add_vpp_config(self): |
| self.test.vapi.lisp_add_del_local_eid( |
| ls_name=self._ls_name, eid_type=self._eid.eid_type, |
| eid=self._eid.packed, prefix_len=self._eid.prefix_length, |
| vni=self._vni, key_id=self._key_id, key=self._key) |
| self._test.registry.register(self, self.test.logger) |
| |
| def remove_vpp_config(self): |
| self.test.vapi.lisp_add_del_local_eid( |
| ls_name=self._ls_name, eid_type=self._eid.eid_type, |
| eid=self._eid.packed, prefix_len=self._eid.prefix_length, |
| vni=self._vni, is_add=0) |
| |
| def object_id(self): |
| return 'lisp-eid-local-mapping-%s[%d]' % (self._eid, self._vni) |
| |
| |
| class VppRemoteMapping(VppLispMapping): |
| |
| def __init__(self, test, eid, rlocs=None, vni=0, priority=1, weight=1): |
| super(VppRemoteMapping, self).__init__(test, eid, vni, priority, |
| weight) |
| self._rlocs = rlocs |
| |
| @property |
| def rlocs(self): |
| return self._rlocs |
| |
| def add_vpp_config(self): |
| self.test.vapi.lisp_add_del_remote_mapping( |
| rlocs=self._rlocs, eid_type=self._eid.eid_type, |
| eid=self._eid.packed, eid_prefix_len=self._eid.prefix_length, |
| vni=self._vni, rlocs_num=len(self._rlocs)) |
| self._test.registry.register(self, self.test.logger) |
| |
| def remove_vpp_config(self): |
| self.test.vapi.lisp_add_del_remote_mapping( |
| eid_type=self._eid.eid_type, eid=self._eid.packed, |
| eid_prefix_len=self._eid.prefix_length, vni=self._vni, |
| is_add=0, rlocs_num=0) |
| |
| def object_id(self): |
| return 'lisp-eid-remote-mapping-%s[%d]' % (self._eid, self._vni) |
| |
| |
| class VppLispAdjacency(VppObject): |
| """ Represents LISP adjacency in VPP """ |
| |
| def __init__(self, test, leid, reid, vni=0): |
| self._leid = LispEID(leid) |
| self._reid = LispEID(reid) |
| if self._leid.eid_type != self._reid.eid_type: |
| raise Exception('remote and local EID are different types!') |
| self._vni = vni |
| self._test = test |
| |
| @property |
| def test(self): |
| return self._test |
| |
| @property |
| def leid(self): |
| return self._leid |
| |
| @property |
| def reid(self): |
| return self._reid |
| |
| @property |
| def vni(self): |
| return self._vni |
| |
| def add_vpp_config(self): |
| self.test.vapi.lisp_add_del_adjacency( |
| leid=self._leid.packed, |
| reid=self._reid.packed, eid_type=self._leid.eid_type, |
| leid_len=self._leid.prefix_length, |
| reid_len=self._reid.prefix_length, vni=self._vni) |
| self._test.registry.register(self, self.test.logger) |
| |
| @staticmethod |
| def eid_equal(eid, eid_type, eid_data, prefix_len): |
| if eid.eid_type != eid_type: |
| return False |
| |
| if eid_type == LispEIDType.IP4 or eid_type == LispEIDType.IP6: |
| if eid.prefix_length != prefix_len: |
| return False |
| |
| if eid.packed != eid_data[0:eid.data_length]: |
| return False |
| |
| return True |
| |
| def query_vpp_config(self): |
| res = self.test.vapi.lisp_adjacencies_get(vni=self._vni) |
| for adj in res.adjacencies: |
| if self.eid_equal(self._leid, adj.eid_type, adj.leid, |
| adj.leid_prefix_len) and \ |
| self.eid_equal(self._reid, adj.eid_type, adj.reid, |
| adj.reid_prefix_len): |
| return True |
| return False |
| |
| def remove_vpp_config(self): |
| self.test.vapi.lisp_add_del_adjacency( |
| leid=self._leid.packed, |
| reid=self._reid.packed, eid_type=self._leid.eid_type, |
| leid_len=self._leid.prefix_length, |
| reid_len=self._reid.prefix_length, vni=self._vni, is_add=0) |
| |
| def object_id(self): |
| return 'lisp-adjacency-%s-%s[%d]' % (self._leid, self._reid, self._vni) |