ip: Replace Sematics for Interface IP addresses
[vpp.git] / test / vpp_ip.py
index fe985fb..43af5e0 100644 (file)
@@ -7,6 +7,10 @@ import logging
 from ipaddress import ip_address
 from socket import AF_INET, AF_INET6
 from vpp_papi import VppEnum
+try:
+    text_type = unicode
+except NameError:
+    text_type = str
 
 _log = logging.getLogger(__name__)
 
@@ -23,16 +27,23 @@ class DpoProto:
 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(unicode(self.addr))
+        self.ip_addr = ip_address(text_type(self.addr))
 
     def encode(self):
         if self.version == 6:
-            return {'ip6': self.ip_addr.packed}
+            return {'ip6': self.ip_addr}
         else:
-            return {'ip4': self.ip_addr.packed}
+            return {'ip4': self.ip_addr}
 
     @property
     def version(self):
@@ -56,160 +67,84 @@ class VppIpAddressUnion():
         elif hasattr(other, "ip4") and hasattr(other, "ip6"):
             # vl_api_address_union_t
             if 4 == self.version:
-                return self.ip_addr.packed == other.ip4
+                return self.ip_addr == other.ip4
             else:
-                return self.ip_addr.packed == other.ip6
+                return self.ip_addr == other.ip6
         else:
-            _log.error("Comparing VppIpAddressUnions:%s"
-                       " with incomparable type: %s",
-                       self, other)
-            return NotImplemented
-
-
-class VppIpAddress():
-    def __init__(self, addr):
-        self.addr = VppIpAddressUnion(addr)
-
-    def encode(self):
-        if self.addr.version == 6:
-            return {
-                'af': VppEnum.vl_api_address_family_t.ADDRESS_IP6,
-                'un': self.addr.encode()
-            }
-        else:
-            return {
-                '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
+            raise Exception("Comparing VppIpAddressUnions:%s"
+                            " with incomparable type: %s",
+                            self, other)
 
     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 encode(self):
-        return {'address': self.addr.encode(),
-                'address_length': self.len}
-
-    @property
-    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
+        return str(self.ip_addr)
 
 
 class VppIpMPrefix():
-    def __init__(self, saddr, gaddr, len):
+    def __init__(self, saddr, gaddr, glen):
         self.saddr = saddr
         self.gaddr = gaddr
-        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:
+        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):
-        if 6 == self.ip_saddr.version:
+        if 6 == self.version:
             prefix = {
                 '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,
+                'grp_address': {
+                    'ip6': self.gaddr
+                },
+                'src_address': {
+                    'ip6': self.saddr
+                },
+                'grp_address_length': self.glen,
             }
         else:
             prefix = {
                 '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,
+                'grp_address': {
+                    'ip4': self.gaddr
+                },
+                'src_address': {
+                    'ip4':  self.saddr
+                },
+                'grp_address_length': self.glen,
             }
         return prefix
+
+    @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))
+            raise Exception("Comparing VppIpMPrefix:%s with unknown type: %s" %
+                            (self, other))
+        return False