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/*
* Copyright 2014-2015 Open Networking Laboratory
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.onosproject.routing.impl;
import com.google.common.collect.Sets;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.onlab.packet.Ip4Address;
import org.onlab.packet.Ip4Prefix;
import org.onlab.packet.IpAddress;
import org.onlab.packet.IpPrefix;
import org.onlab.packet.MacAddress;
import org.onlab.packet.VlanId;
import org.onosproject.core.CoreService;
import org.onosproject.net.ConnectPoint;
import org.onosproject.net.DefaultHost;
import org.onosproject.net.DeviceId;
import org.onosproject.net.Host;
import org.onosproject.net.HostId;
import org.onosproject.net.HostLocation;
import org.onosproject.net.PortNumber;
import org.onosproject.net.host.HostEvent;
import org.onosproject.net.host.HostListener;
import org.onosproject.net.host.HostService;
import org.onosproject.net.provider.ProviderId;
import org.onosproject.routing.config.RoutingConfigurationService;
import org.onosproject.routing.impl.Router.InternalHostListener;
import org.onosproject.routing.BgpService;
import org.onosproject.routing.FibEntry;
import org.onosproject.routing.FibListener;
import org.onosproject.routing.FibUpdate;
import org.onosproject.routing.RouteEntry;
import org.onosproject.routing.RouteListener;
import org.onosproject.routing.RouteUpdate;
import java.util.Collections;
import static org.easymock.EasyMock.*;
/**
* This class tests adding a route and updating a route.
* The HostService module answers the MAC address asynchronously.
*/
public class RouterAsyncArpTest {
private HostService hostService;
private FibListener fibListener;
private RoutingConfigurationService routingConfigurationService;
private static final ConnectPoint SW1_ETH1 = new ConnectPoint(
DeviceId.deviceId("of:0000000000000001"),
PortNumber.portNumber(1));
private static final ConnectPoint SW2_ETH1 = new ConnectPoint(
DeviceId.deviceId("of:0000000000000002"),
PortNumber.portNumber(1));
private static final ConnectPoint SW3_ETH1 = new ConnectPoint(
DeviceId.deviceId("of:0000000000000003"),
PortNumber.portNumber(1));
private Router router;
private InternalHostListener internalHostListener;
@Before
public void setUp() throws Exception {
hostService = createMock(HostService.class);
routingConfigurationService =
createMock(RoutingConfigurationService.class);
BgpService bgpService = createMock(BgpService.class);
bgpService.start(anyObject(RouteListener.class));
bgpService.stop();
replay(bgpService);
fibListener = createMock(FibListener.class);
router = new Router();
router.coreService = createNiceMock(CoreService.class);
router.hostService = hostService;
router.routingConfigurationService = routingConfigurationService;
router.bgpService = bgpService;
router.activate();
router.addFibListener(fibListener);
router.start();
internalHostListener = router.new InternalHostListener();
}
@After
public void tearDown() {
// Called during shutdown
reset(hostService);
hostService.removeListener(anyObject(HostListener.class));
router.stop();
}
/**
* Tests adding a route entry with asynchronous HostService replies.
*/
@Test
public void testRouteAdd() {
// Construct a route entry
IpPrefix prefix = Ip4Prefix.valueOf("1.1.1.0/24");
IpAddress nextHopIp = Ip4Address.valueOf("192.168.10.1");
RouteEntry routeEntry = new RouteEntry(prefix, nextHopIp);
// Host service will reply with no hosts when asked
reset(hostService);
expect(hostService.getHostsByIp(anyObject(IpAddress.class))).andReturn(
Collections.emptySet()).anyTimes();
hostService.startMonitoringIp(IpAddress.valueOf("192.168.10.1"));
replay(hostService);
reset(routingConfigurationService);
expect(routingConfigurationService.isIpPrefixLocal(
anyObject(IpPrefix.class))).andReturn(false);
replay(routingConfigurationService);
// Initially when we add the route, no FIB update will be sent
replay(fibListener);
router.processRouteUpdates(Collections.singletonList(
new RouteUpdate(RouteUpdate.Type.UPDATE, routeEntry)));
verify(fibListener);
// Now when we send the event, we expect the FIB update to be sent
reset(fibListener);
FibEntry fibEntry = new FibEntry(prefix, nextHopIp,
MacAddress.valueOf("00:00:00:00:00:01"));
fibListener.update(Collections.singletonList(new FibUpdate(
FibUpdate.Type.UPDATE, fibEntry)), Collections.emptyList());
replay(fibListener);
Host host = new DefaultHost(ProviderId.NONE, HostId.NONE,
MacAddress.valueOf("00:00:00:00:00:01"), VlanId.NONE,
new HostLocation(
SW1_ETH1.deviceId(),
SW1_ETH1.port(), 1),
Sets.newHashSet(IpAddress.valueOf("192.168.10.1")));
// Send in the host event
internalHostListener.event(
new HostEvent(HostEvent.Type.HOST_ADDED, host));
verify(fibListener);
}
/**
* Tests updating a route entry with asynchronous HostService replies.
*/
@Test
public void testRouteUpdate() {
// Add a route
testRouteAdd();
// Construct a route entry
IpPrefix prefix = Ip4Prefix.valueOf("1.1.1.0/24");
IpAddress nextHopIp = Ip4Address.valueOf("192.168.20.1");
RouteEntry routeEntry = new RouteEntry(prefix, nextHopIp);
// Host service will reply with no hosts when asked
reset(hostService);
expect(hostService.getHostsByIp(anyObject(IpAddress.class))).andReturn(
Collections.emptySet()).anyTimes();
hostService.startMonitoringIp(IpAddress.valueOf("192.168.20.1"));
replay(hostService);
reset(routingConfigurationService);
expect(routingConfigurationService.isIpPrefixLocal(
anyObject(IpPrefix.class))).andReturn(false);
replay(routingConfigurationService);
// Initially when we add the route, the DELETE FIB update will be sent
// but the UPDATE FIB update will come later when the MAC is resolved
reset(fibListener);
fibListener.update(Collections.emptyList(), Collections.singletonList(new FibUpdate(
FibUpdate.Type.DELETE, new FibEntry(prefix, null, null))));
replay(fibListener);
router.processRouteUpdates(Collections.singletonList(
new RouteUpdate(RouteUpdate.Type.UPDATE, routeEntry)));
verify(fibListener);
// Now when we send the event, we expect the FIB update to be sent
reset(fibListener);
FibEntry fibEntry = new FibEntry(prefix, nextHopIp,
MacAddress.valueOf("00:00:00:00:00:02"));
fibListener.update(Collections.singletonList(new FibUpdate(
FibUpdate.Type.UPDATE, fibEntry)), Collections.emptyList());
replay(fibListener);
Host host = new DefaultHost(ProviderId.NONE, HostId.NONE,
MacAddress.valueOf("00:00:00:00:00:02"), VlanId.NONE,
new HostLocation(
SW1_ETH1.deviceId(),
SW1_ETH1.port(), 1),
Sets.newHashSet(IpAddress.valueOf("192.168.20.1")));
// Send in the host event
internalHostListener.event(
new HostEvent(HostEvent.Type.HOST_ADDED, host));
verify(fibListener);
}
}
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