PAPI: Add MACAddress object wrapper for vl_api_mac_address_t
[vpp.git] / test / vpp_interface.py
index d74248a..719f77b 100644 (file)
@@ -1,19 +1,20 @@
-from abc import abstractmethod, ABCMeta
+import binascii
 import socket
-from logging import info
+from abc import abstractmethod, ABCMeta
 
-from util import Host
+from six import moves
+
+from util import Host, mk_ll_addr
+from vpp_papi import mac_pton, mac_ntop
 
 
 class VppInterface(object):
-    """
-    Generic VPP interface
-    """
+    """Generic VPP interface."""
     __metaclass__ = ABCMeta
 
     @property
     def sw_if_index(self):
-        """Interface index assigned by VPP"""
+        """Interface index assigned by VPP."""
         return self._sw_if_index
 
     @property
@@ -23,42 +24,58 @@ class VppInterface(object):
 
     @property
     def local_mac(self):
-        """MAC-address of the VPP interface"""
+        """MAC-address of the VPP interface."""
         return self._local_mac
 
+    @property
+    def local_addr(self):
+        return self._local_addr
+
+    @property
+    def remote_addr(self):
+        return self._remote_addr
+
+    @property
+    def local_addr_n(self):
+        return self._local_addr_n
+
+    @property
+    def remote_addr_n(self):
+        return self._remote_addr_n
+
     @property
     def local_ip4(self):
-        """Local IPv4 address on VPP interface (string)"""
+        """Local IPv4 address on VPP interface (string)."""
         return self._local_ip4
 
     @property
     def local_ip4n(self):
-        """Local IPv4 address - raw, suitable as API parameter"""
+        """Local IPv4 address - raw, suitable as API parameter."""
         return socket.inet_pton(socket.AF_INET, self._local_ip4)
 
     @property
     def remote_ip4(self):
-        """IPv4 address of remote peer "connected" to this interface"""
+        """IPv4 address of remote peer "connected" to this interface."""
         return self._remote_hosts[0].ip4
 
     @property
     def remote_ip4n(self):
-        """IPv4 address of remote peer - raw, suitable as API parameter"""
+        """IPv4 address of remote peer - raw, suitable as API parameter."""
         return socket.inet_pton(socket.AF_INET, self.remote_ip4)
 
     @property
     def local_ip6(self):
-        """Local IPv6 address on VPP interface (string)"""
+        """Local IPv6 address on VPP interface (string)."""
         return self._local_ip6
 
     @property
     def local_ip6n(self):
-        """Local IPv6 address - raw, suitable as API parameter"""
+        """Local IPv6 address - raw, suitable as API parameter."""
         return socket.inet_pton(socket.AF_INET6, self.local_ip6)
 
     @property
     def remote_ip6(self):
-        """IPv6 address of remote peer "connected" to this interface"""
+        """IPv6 address of remote peer "connected" to this interface."""
         return self._remote_hosts[0].ip6
 
     @property
@@ -66,19 +83,41 @@ class VppInterface(object):
         """IPv6 address of remote peer - raw, suitable as API parameter"""
         return socket.inet_pton(socket.AF_INET6, self.remote_ip6)
 
+    @property
+    def local_ip6_ll(self):
+        """Local IPv6 link-local address on VPP interface (string)."""
+        return self._local_ip6_ll
+
+    @property
+    def local_ip6n_ll(self):
+        """Local IPv6 link-local address - raw, suitable as API parameter."""
+        return self._local_ip6n_ll
+
+    @property
+    def remote_ip6_ll(self):
+        """Link-local IPv6 address of remote peer
+        "connected" to this interface."""
+        return self._remote_ip6_ll
+
+    @property
+    def remote_ip6n_ll(self):
+        """Link-local IPv6 address of remote peer
+        - raw, suitable as API parameter"""
+        return self._remote_ip6n_ll
+
     @property
     def name(self):
-        """Name of the interface"""
+        """Name of the interface."""
         return self._name
 
     @property
     def dump(self):
-        """Raw result of sw_interface_dump for this interface"""
+        """RAW result of sw_interface_dump for this interface."""
         return self._dump
 
     @property
     def test(self):
-        """Test case creating this interface"""
+        """Test case creating this interface."""
         return self._test
 
     @property
@@ -88,113 +127,257 @@ class VppInterface(object):
 
     @remote_hosts.setter
     def remote_hosts(self, value):
+        """
+        :param list value: List of remote hosts.
+        """
         self._remote_hosts = value
-        #TODO: set hosts_by dicts
+        self._hosts_by_mac = {}
+        self._hosts_by_ip4 = {}
+        self._hosts_by_ip6 = {}
+        for host in self._remote_hosts:
+            self._hosts_by_mac[host.mac] = host
+            self._hosts_by_ip4[host.ip4] = host
+            self._hosts_by_ip6[host.ip6] = host
 
     def host_by_mac(self, mac):
+        """
+        :param mac: MAC address to find host by.
+        :return: Host object assigned to interface.
+        """
         return self._hosts_by_mac[mac]
 
     def host_by_ip4(self, ip):
+        """
+        :param ip: IPv4 address to find host by.
+        :return: Host object assigned to interface.
+        """
         return self._hosts_by_ip4[ip]
 
     def host_by_ip6(self, ip):
+        """
+        :param ip: IPv6 address to find host by.
+        :return: Host object assigned to interface.
+        """
         return self._hosts_by_ip6[ip]
 
     def generate_remote_hosts(self, count=1):
-        """Generate and add remote hosts for the interface."""
+        """Generate and add remote hosts for the interface.
+
+        :param int count: Number of generated remote hosts.
+        """
         self._remote_hosts = []
         self._hosts_by_mac = {}
         self._hosts_by_ip4 = {}
         self._hosts_by_ip6 = {}
-        for i in range(2, count+2):  # 0: network address, 1: local vpp address
+        for i in range(
+                2, count + 2):  # 0: network address, 1: local vpp address
             mac = "02:%02x:00:00:ff:%02x" % (self.sw_if_index, i)
             ip4 = "172.16.%u.%u" % (self.sw_if_index, i)
-            ip6 = "fd01:%04x::%04x" % (self.sw_if_index, i)
-            host = Host(mac, ip4, ip6)
+            ip6 = "fd01:%x::%x" % (self.sw_if_index, i)
+            ip6_ll = mk_ll_addr(mac)
+            host = Host(mac, ip4, ip6, ip6_ll)
             self._remote_hosts.append(host)
             self._hosts_by_mac[mac] = host
             self._hosts_by_ip4[ip4] = host
             self._hosts_by_ip6[ip6] = host
 
-    def post_init_setup(self):
-        """Additional setup run after creating an interface object"""
+    @abstractmethod
+    def __init__(self, test):
+        self._test = test
+
+        self._remote_hosts = []
+        self._hosts_by_mac = {}
+        self._hosts_by_ip4 = {}
+        self._hosts_by_ip6 = {}
+
+    def set_mac(self, mac):
+        self._local_mac = str(mac)
+        self._local_ip6_ll = mk_ll_addr(self._local_mac)
+        self.test.vapi.sw_interface_set_mac_address(
+            self.sw_if_index, mac.packed)
+
+    def set_sw_if_index(self, sw_if_index):
+        self._sw_if_index = sw_if_index
 
         self.generate_remote_hosts()
 
         self._local_ip4 = "172.16.%u.1" % self.sw_if_index
         self._local_ip4n = socket.inet_pton(socket.AF_INET, self.local_ip4)
-
-        self._local_ip6 = "fd01:%04x::1" % self.sw_if_index
+        self._local_ip4_subnet = "172.16.%u.0" % self.sw_if_index
+        self._local_ip4n_subnet = socket.inet_pton(socket.AF_INET,
+                                                   self._local_ip4_subnet)
+        self._local_ip4_bcast = "172.16.%u.255" % self.sw_if_index
+        self._local_ip4n_bcast = socket.inet_pton(socket.AF_INET,
+                                                  self._local_ip4_bcast)
+        self.local_ip4_prefix_len = 24
+        self.has_ip4_config = False
+        self.ip4_table_id = 0
+
+        self._local_ip6 = "fd01:%x::1" % self.sw_if_index
         self._local_ip6n = socket.inet_pton(socket.AF_INET6, self.local_ip6)
+        self.local_ip6_prefix_len = 64
+        self.has_ip6_config = False
+        self.ip6_table_id = 0
+
+        self._local_addr = {socket.AF_INET: self.local_ip4,
+                            socket.AF_INET6: self.local_ip6}
+        self._local_addr_n = {socket.AF_INET: self.local_ip4n,
+                              socket.AF_INET6: self.local_ip6n}
+        self._remote_addr = {socket.AF_INET: self.remote_ip4,
+                             socket.AF_INET6: self.remote_ip6}
+        self._remote_addr_n = {socket.AF_INET: self.remote_ip4n,
+                               socket.AF_INET6: self.remote_ip6n}
 
         r = self.test.vapi.sw_interface_dump()
         for intf in r:
             if intf.sw_if_index == self.sw_if_index:
-                self._name = intf.interface_name.split(b'\0', 1)[0]
-                self._local_mac = ':'.join(intf.l2_address.encode('hex')[i:i + 2]
-                                           for i in range(0, 12, 2))
+                self._name = intf.interface_name.split(b'\0',
+                                                       1)[0].decode('utf8')
+                self._local_mac = mac_ntop(intf.l2_address)
                 self._dump = intf
                 break
         else:
             raise Exception(
                 "Could not find interface with sw_if_index %d "
                 "in interface dump %s" %
-                (self.sw_if_index, repr(r)))
-
-    @abstractmethod
-    def __init__(self, test, index):
-        self._test = test
-        self.post_init_setup()
-        info("New %s, MAC=%s, remote_ip4=%s, local_ip4=%s" %
-             (self.__name__, self.remote_mac, self.remote_ip4, self.local_ip4))
+                (self.sw_if_index, moves.reprlib.repr(r)))
+        self._local_ip6_ll = mk_ll_addr(self.local_mac)
+        self._local_ip6n_ll = socket.inet_pton(socket.AF_INET6,
+                                               self.local_ip6_ll)
+        self._remote_ip6_ll = mk_ll_addr(self.remote_mac)
+        self._remote_ip6n_ll = socket.inet_pton(socket.AF_INET6,
+                                                self.remote_ip6_ll)
 
     def config_ip4(self):
-        """Configure IPv4 address on the VPP interface"""
-        addr = self.local_ip4n
-        addr_len = 24
+        """Configure IPv4 address on the VPP interface."""
         self.test.vapi.sw_interface_add_del_address(
-            self.sw_if_index, addr, addr_len)
-
-    def configure_extend_ipv4_mac_binding(self):
-        """Configure neighbor MAC to IPv4 addresses."""
+            self.sw_if_index, self.local_ip4n, self.local_ip4_prefix_len)
+        self.has_ip4_config = True
+
+    def unconfig_ip4(self):
+        """Remove IPv4 address on the VPP interface."""
+        try:
+            if self.has_ip4_config:
+                self.test.vapi.sw_interface_add_del_address(
+                    self.sw_if_index,
+                    self.local_ip4n,
+                    self.local_ip4_prefix_len,
+                    is_add=0)
+        except AttributeError:
+            self.has_ip4_config = False
+        self.has_ip4_config = False
+
+    def configure_ipv4_neighbors(self):
+        """For every remote host assign neighbor's MAC to IPv4 addresses.
+
+        :param vrf_id: The FIB table / VRF ID. (Default value = 0)
+        """
         for host in self._remote_hosts:
-            macn = host.mac.replace(":", "").decode('hex')
+            macn = mac_pton(host.mac)
             ipn = host.ip4n
-            self.test.vapi.ip_neighbor_add_del(self.sw_if_index, macn, ipn)
+            self.test.vapi.ip_neighbor_add_del(
+                self.sw_if_index, macn, ipn)
 
     def config_ip6(self):
-        """Configure IPv6 address on the VPP interface"""
-        addr = self._local_ip6n
-        addr_len = 64
+        """Configure IPv6 address on the VPP interface."""
         self.test.vapi.sw_interface_add_del_address(
-            self.sw_if_index, addr, addr_len, is_ipv6=1)
+            self.sw_if_index, self._local_ip6n, self.local_ip6_prefix_len,
+            is_ipv6=1)
+        self.has_ip6_config = True
+
+    def unconfig_ip6(self):
+        """Remove IPv6 address on the VPP interface."""
+        try:
+            if self.has_ip6_config:
+                self.test.vapi.sw_interface_add_del_address(
+                    self.sw_if_index,
+                    self.local_ip6n,
+                    self.local_ip6_prefix_len,
+                    is_ipv6=1, is_add=0)
+        except AttributeError:
+            self.has_ip6_config = False
+        self.has_ip6_config = False
+
+    def configure_ipv6_neighbors(self):
+        """For every remote host assign neighbor's MAC to IPv6 addresses.
+
+        :param vrf_id: The FIB table / VRF ID. (Default value = 0)
+        """
+        for host in self._remote_hosts:
+            macn = mac_pton(host.mac)
+            ipn = host.ip6n
+            self.test.vapi.ip_neighbor_add_del(
+                self.sw_if_index, macn, ipn, is_ipv6=1)
+
+    def unconfig(self):
+        """Unconfigure IPv6 and IPv4 address on the VPP interface."""
+        self.unconfig_ip4()
+        self.unconfig_ip6()
 
     def set_table_ip4(self, table_id):
         """Set the interface in a IPv4 Table.
-        Must be called before configuring IP4 addresses"""
+
+        .. note:: Must be called before configuring IP4 addresses.
+        """
+        self.ip4_table_id = table_id
         self.test.vapi.sw_interface_set_table(
-            self.sw_if_index, 0, table_id)
+            self.sw_if_index, 0, self.ip4_table_id)
 
     def set_table_ip6(self, table_id):
         """Set the interface in a IPv6 Table.
-        Must be called before configuring IP6 addresses"""
+
+        .. note:: Must be called before configuring IP6 addresses.
+        """
+        self.ip6_table_id = table_id
         self.test.vapi.sw_interface_set_table(
-            self.sw_if_index, 1, table_id)
+            self.sw_if_index, 1, self.ip6_table_id)
 
     def disable_ipv6_ra(self):
-        """Configure IPv6 RA suppress on the VPP interface"""
+        """Configure IPv6 RA suppress on the VPP interface."""
         self.test.vapi.sw_interface_ra_suppress(self.sw_if_index)
 
+    def ip6_ra_config(self, no=0, suppress=0, send_unicast=0):
+        """Configure IPv6 RA suppress on the VPP interface."""
+        self.test.vapi.ip6_sw_interface_ra_config(self.sw_if_index,
+                                                  no,
+                                                  suppress,
+                                                  send_unicast)
+
+    def ip6_ra_prefix(self, address, address_length, is_no=0,
+                      off_link=0, no_autoconfig=0, use_default=0):
+        """Configure IPv6 RA suppress on the VPP interface."""
+        self.test.vapi.ip6_sw_interface_ra_prefix(self.sw_if_index,
+                                                  address,
+                                                  address_length,
+                                                  is_no=is_no,
+                                                  off_link=off_link,
+                                                  no_autoconfig=no_autoconfig,
+                                                  use_default=use_default)
+
     def admin_up(self):
-        """ Put interface ADMIN-UP """
-        self.test.vapi.sw_interface_set_flags(self.sw_if_index, admin_up_down=1)
+        """Put interface ADMIN-UP."""
+        self.test.vapi.sw_interface_set_flags(self.sw_if_index,
+                                              admin_up_down=1)
+
+    def admin_down(self):
+        """Put interface ADMIN-down."""
+        self.test.vapi.sw_interface_set_flags(self.sw_if_index,
+                                              admin_up_down=0)
+
+    def ip6_enable(self):
+        """IPv6 Enable interface"""
+        self.test.vapi.ip6_sw_interface_enable_disable(self.sw_if_index,
+                                                       enable=1)
+
+    def ip6_disable(self):
+        """Put interface ADMIN-DOWN."""
+        self.test.vapi.ip6_sw_interface_enable_disable(self.sw_if_index,
+                                                       enable=0)
 
     def add_sub_if(self, sub_if):
-        """
-        Register a sub-interface with this interface
+        """Register a sub-interface with this interface.
 
         :param sub_if: sub-interface
-
         """
         if not hasattr(self, 'sub_if'):
             self.sub_if = sub_if
@@ -205,6 +388,74 @@ class VppInterface(object):
                 self.sub_if = sub_if
 
     def enable_mpls(self):
-        """Enable MPLS on the VPP interface"""
+        """Enable MPLS on the VPP interface."""
         self.test.vapi.sw_interface_enable_disable_mpls(
             self.sw_if_index)
+
+    def disable_mpls(self):
+        """Enable MPLS on the VPP interface."""
+        self.test.vapi.sw_interface_enable_disable_mpls(
+            self.sw_if_index, 0)
+
+    def is_ip4_entry_in_fib_dump(self, dump):
+        for i in dump:
+            if i.address == self.local_ip4n and \
+               i.address_length == self.local_ip4_prefix_len and \
+               i.table_id == self.ip4_table_id:
+                return True
+        return False
+
+    def set_unnumbered(self, ip_sw_if_index):
+        """ Set the interface to unnumbered via ip_sw_if_index """
+        self.test.vapi.sw_interface_set_unnumbered(
+            self.sw_if_index,
+            ip_sw_if_index)
+
+    def unset_unnumbered(self, ip_sw_if_index):
+        """ Unset the interface to unnumbered via ip_sw_if_index """
+        self.test.vapi.sw_interface_set_unnumbered(
+            self.sw_if_index,
+            ip_sw_if_index,
+            is_add=0)
+
+    def set_proxy_arp(self, enable=1):
+        """ Set the interface to enable/disable Proxy ARP """
+        self.test.vapi.proxy_arp_intfc_enable_disable(
+            self.sw_if_index,
+            enable)
+
+    def query_vpp_config(self):
+        dump = self.test.vapi.sw_interface_dump()
+        return self.is_interface_config_in_dump(dump)
+
+    def get_interface_config_from_dump(self, dump):
+        for i in dump:
+            if i.interface_name.rstrip(' \t\r\n\0') == self.name and \
+               i.sw_if_index == self.sw_if_index:
+                return i
+        else:
+            return None
+
+    def is_interface_config_in_dump(self, dump):
+        return self.get_interface_config_from_dump(dump) is not None
+
+    def assert_interface_state(self, admin_up_down, link_up_down,
+                               expect_event=False):
+        if expect_event:
+            event = self.test.vapi.wait_for_event(timeout=1,
+                                                  name='sw_interface_event')
+            self.test.assert_equal(event.sw_if_index, self.sw_if_index,
+                                   "sw_if_index")
+            self.test.assert_equal(event.admin_up_down, admin_up_down,
+                                   "admin state")
+            self.test.assert_equal(event.link_up_down, link_up_down,
+                                   "link state")
+        dump = self.test.vapi.sw_interface_dump()
+        if_state = self.get_interface_config_from_dump(dump)
+        self.test.assert_equal(if_state.admin_up_down, admin_up_down,
+                               "admin state")
+        self.test.assert_equal(if_state.link_up_down, link_up_down,
+                               "link state")
+
+    def __str__(self):
+        return self.name