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|
"""
IP Types
"""
import logging
from ipaddress import ip_address
from vpp_object import VppObject
try:
text_type = unicode
except NameError:
text_type = str
_log = logging.getLogger(__name__)
class DpoProto:
DPO_PROTO_IP4 = 0
DPO_PROTO_IP6 = 1
DPO_PROTO_MPLS = 2
DPO_PROTO_ETHERNET = 3
DPO_PROTO_BIER = 4
DPO_PROTO_NSH = 5
INVALID_INDEX = 0xFFFFFFFF
def get_dpo_proto(addr):
if ip_address(addr).version == 6:
return DpoProto.DPO_PROTO_IP6
else:
return DpoProto.DPO_PROTO_IP4
class VppIpAddressUnion:
def __init__(self, addr):
self.addr = addr
self.ip_addr = ip_address(text_type(self.addr))
def encode(self):
if self.version == 6:
return {"ip6": self.ip_addr}
else:
return {"ip4": self.ip_addr}
@property
def version(self):
return self.ip_addr.version
@property
def address(self):
return self.addr
@property
def length(self):
return self.ip_addr.max_prefixlen
@property
def bytes(self):
return self.ip_addr.packed
def __eq__(self, other):
if isinstance(other, self.__class__):
return self.ip_addr == other.ip_addr
elif hasattr(other, "ip4") and hasattr(other, "ip6"):
# vl_api_address_union_t
if 4 == self.version:
return self.ip_addr == other.ip4
else:
return self.ip_addr == other.ip6
else:
raise Exception(
"Comparing VppIpAddressUnions:%s with incomparable type: %s",
self,
other,
)
def __ne__(self, other):
return not (self == other)
def __str__(self):
return str(self.ip_addr)
class VppIpMPrefix:
def __init__(self, saddr, gaddr, glen):
self.saddr = saddr
self.gaddr = gaddr
self.glen = glen
if ip_address(self.saddr).version != ip_address(self.gaddr).version:
raise ValueError(
"Source and group addresses must be of the same address family."
)
def encode(self):
return {
"af": ip_address(self.gaddr).vapi_af,
"grp_address": {ip_address(self.gaddr).vapi_af_name: self.gaddr},
"src_address": {ip_address(self.saddr).vapi_af_name: self.saddr},
"grp_address_length": self.glen,
}
@property
def length(self):
return self.glen
@property
def version(self):
return ip_address(self.gaddr).version
def __str__(self):
return "(%s,%s)/%d" % (self.saddr, self.gaddr, self.glen)
def __eq__(self, other):
if isinstance(other, self.__class__):
return (
self.glen == other.glen
and self.saddr == other.gaddr
and self.saddr == other.saddr
)
elif (
hasattr(other, "grp_address_length")
and hasattr(other, "grp_address")
and hasattr(other, "src_address")
):
# vl_api_mprefix_t
if 4 == self.version:
return (
self.glen == other.grp_address_length
and self.gaddr == str(other.grp_address.ip4)
and self.saddr == str(other.src_address.ip4)
)
else:
return (
self.glen == other.grp_address_length
and self.gaddr == str(other.grp_address.ip6)
and self.saddr == str(other.src_address.ip6)
)
return NotImplemented
class VppIpPuntPolicer(VppObject):
def __init__(self, test, policer_index, is_ip6=False):
self._test = test
self._policer_index = policer_index
self._is_ip6 = is_ip6
def add_vpp_config(self):
self._test.vapi.ip_punt_police(
policer_index=self._policer_index, is_ip6=self._is_ip6, is_add=True
)
def remove_vpp_config(self):
self._test.vapi.ip_punt_police(
policer_index=self._policer_index, is_ip6=self._is_ip6, is_add=False
)
def query_vpp_config(self):
NotImplemented
class VppIpPuntRedirect(VppObject):
def __init__(self, test, rx_index, tx_index, nh_addr):
self._test = test
self._rx_index = rx_index
self._tx_index = tx_index
self._nh_addr = ip_address(nh_addr)
def encode(self):
return {
"rx_sw_if_index": self._rx_index,
"tx_sw_if_index": self._tx_index,
"nh": self._nh_addr,
}
def add_vpp_config(self):
self._test.vapi.ip_punt_redirect(punt=self.encode(), is_add=True)
self._test.registry.register(self, self._test.logger)
return self
def remove_vpp_config(self):
self._test.vapi.ip_punt_redirect(punt=self.encode(), is_add=False)
def get_vpp_config(self):
is_ipv6 = True if self._nh_addr.version == 6 else False
return self._test.vapi.ip_punt_redirect_dump(
sw_if_index=self._rx_index, is_ipv6=is_ipv6
)
def query_vpp_config(self):
if self.get_vpp_config():
return True
return False
class VppIpPathMtu(VppObject):
def __init__(self, test, nh, pmtu, table_id=0):
self._test = test
self.nh = nh
self.pmtu = pmtu
self.table_id = table_id
def add_vpp_config(self):
self._test.vapi.ip_path_mtu_update(
pmtu={"nh": self.nh, "table_id": self.table_id, "path_mtu": self.pmtu}
)
self._test.registry.register(self, self._test.logger)
return self
def modify(self, pmtu):
self.pmtu = pmtu
self._test.vapi.ip_path_mtu_update(
pmtu={"nh": self.nh, "table_id": self.table_id, "path_mtu": self.pmtu}
)
return self
def remove_vpp_config(self):
self._test.vapi.ip_path_mtu_update(
pmtu={"nh": self.nh, "table_id": self.table_id, "path_mtu": 0}
)
def query_vpp_config(self):
ds = list(self._test.vapi.vpp.details_iter(self._test.vapi.ip_path_mtu_get))
for d in ds:
if (
self.nh == str(d.pmtu.nh)
and self.table_id == d.pmtu.table_id
and self.pmtu == d.pmtu.path_mtu
):
return True
return False
def object_id(self):
return "ip-path-mtu-%d-%s-%d" % (self.table_id, self.nh, self.pmtu)
def __str__(self):
return self.object_id()
|
