IP Types
"""
+import logging
from ipaddress import ip_address
+from socket import AF_INET, AF_INET6
+from vpp_papi import VppEnum
+_log = logging.getLogger(__name__)
-class IpAddressFamily:
- ADDRESS_IP4 = 0
- ADDRESS_IP6 = 1
-
-INVALID_INDEX = 0xffffffff
+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
-def compare_ip_address(api_address, py_address):
- if 4 is py_address.version:
- if py_address.packed == api_address.ip4.address:
- return True
- else:
- if py_address.packed == api_address.ip6.address:
- return True
- return False
+INVALID_INDEX = 0xffffffff
class VppIpAddressUnion():
self.addr = addr
self.ip_addr = ip_address(unicode(self.addr))
+ def encode(self):
+ if self.version == 6:
+ return {'ip6': self.ip_addr.packed}
+ else:
+ return {'ip4': self.ip_addr.packed}
+
@property
def version(self):
return self.ip_addr.version
def address(self):
return self.addr
- def encode(self):
- if self.ip_addr.version is 6:
- return {
- 'ip6': {
- 'address': self.ip_addr.packed
- },
- }
+ @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.packed == other.ip4
+ else:
+ return self.ip_addr.packed == other.ip6
else:
- return {
- 'ip4': {
- 'address': self.ip_addr.packed
- },
- }
+ _log.error("Comparing VppIpAddressUnions:%s"
+ " with incomparable type: %s",
+ self, other)
+ return NotImplemented
class VppIpAddress():
self.addr = VppIpAddressUnion(addr)
def encode(self):
- if self.addr.version is 6:
+ if self.addr.version == 6:
return {
- 'af': IpAddressFamily.ADDRESS_IP6,
+ 'af': VppEnum.vl_api_address_family_t.ADDRESS_IP6,
'un': self.addr.encode()
}
else:
return {
- 'af': IpAddressFamily.ADDRESS_IP4,
+ 'af': VppEnum.vl_api_address_family_t.ADDRESS_IP4,
'un': self.addr.encode()
}
+ def __eq__(self, other):
+ if isinstance(other, self.__class__):
+ return self.addr == other.addr
+ elif hasattr(other, "af") and hasattr(other, "un"):
+ # a vp_api_address_t
+ if 4 == self.version:
+ return other.af == \
+ VppEnum.vl_api_address_family_t.ADDRESS_IP4 and \
+ other.un == self.addr
+ else:
+ return other.af == \
+ VppEnum.vl_api_address_family_t.ADDRESS_IP6 and \
+ other.un == self.addr
+ else:
+ _log.error(
+ "Comparing VppIpAddress:<%s> %s with incomparable "
+ "type: <%s> %s",
+ self.__class__.__name__, self,
+ other.__class__.__name__, other)
+ return NotImplemented
+
+ def __ne__(self, other):
+ return not (self == other)
+
+ def __str__(self):
+ return self.address
+
+ @property
+ def bytes(self):
+ return self.addr.bytes
+
@property
def address(self):
return self.addr.address
+ @property
+ def length(self):
+ return self.addr.length
+
+ @property
+ def version(self):
+ return self.addr.version
+
+ @property
+ def is_ip6(self):
+ return (self.version == 6)
+
+ @property
+ def af(self):
+ if self.version == 6:
+ return AF_INET6
+ else:
+ return AF_INET
+
+ @property
+ def dpo_proto(self):
+ if self.version == 6:
+ return DpoProto.DPO_PROTO_IP6
+ else:
+ return DpoProto.DPO_PROTO_IP4
+
class VppIpPrefix():
def __init__(self, addr, len):
self.addr = VppIpAddress(addr)
self.len = len
- def __eq__(self, other):
- if self.addr == other.addr and self.len == other.len:
- return True
- return False
-
def encode(self):
return {'address': self.addr.encode(),
'address_length': self.len}
def address(self):
return self.addr.address
+ @property
+ def bytes(self):
+ return self.addr.bytes
+
+ @property
+ def length(self):
+ return self.len
+
+ @property
+ def is_ip6(self):
+ return self.addr.is_ip6
+
+ def __str__(self):
+ return "%s/%d" % (self.address, self.length)
+
+ def __eq__(self, other):
+ if isinstance(other, self.__class__):
+ return (self.len == other.len and self.addr == other.addr)
+ elif hasattr(other, "address") and hasattr(other, "address_length"):
+ # vl_api_prefix_t
+ return self.len == other.address_length and \
+ self.addr == other.address
+ else:
+ _log.error(
+ "Comparing VppIpPrefix:%s with incomparable type: %s" %
+ (self, other))
+ return NotImplemented
+
class VppIpMPrefix():
def __init__(self, saddr, gaddr, len):
self.len = len
self.ip_saddr = ip_address(unicode(self.saddr))
self.ip_gaddr = ip_address(unicode(self.gaddr))
+ if self.ip_saddr.version != self.ip_gaddr.version:
+ raise ValueError('Source and group addresses must be of the '
+ 'same address family.')
def encode(self):
-
- if 6 is self.ip_saddr.version:
+ if 6 == self.ip_saddr.version:
prefix = {
- 'af': IpAddressFamily.ADDRESS_IP6,
- 'grp_address': {
- 'ip6': {
- 'address': self.ip_gaddr.packed
- },
- },
- 'src_address': {
- 'ip6': {
- 'address': self.ip_saddr.packed
- },
- },
+ 'af': VppEnum.vl_api_address_family_t.ADDRESS_IP6,
+ 'grp_address': {'ip6': self.ip_gaddr.packed},
+ 'src_address': {'ip6': self.ip_saddr.packed},
'grp_address_length': self.len,
}
else:
prefix = {
- 'af': IpAddressFamily.ADDRESS_IP4,
- 'grp_address': {
- 'ip4': {
- 'address': self.ip_gaddr.packed
- },
- },
- 'src_address': {
- 'ip4': {
- 'address': self.ip_saddr.packed
- },
- },
+ 'af': VppEnum.vl_api_address_family_t.ADDRESS_IP4,
+ 'grp_address': {'ip4': self.ip_gaddr.packed},
+ 'src_address': {'ip4': self.ip_saddr.packed},
'grp_address_length': self.len,
}
return prefix
Code Review / vpp.git / blobdiff