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/*
* Copyright 2014 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.onlab.onos.sdnip;
import static org.easymock.EasyMock.anyObject;
import static org.easymock.EasyMock.createMock;
import static org.easymock.EasyMock.expect;
import static org.easymock.EasyMock.expectLastCall;
import static org.easymock.EasyMock.replay;
import static org.easymock.EasyMock.reset;
import static org.easymock.EasyMock.verify;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import org.junit.Before;
import org.junit.Test;
import org.onlab.junit.TestUtils;
import org.onlab.junit.TestUtils.TestUtilsException;
import org.onlab.onos.core.ApplicationId;
import org.onlab.onos.net.ConnectPoint;
import org.onlab.onos.net.DefaultHost;
import org.onlab.onos.net.DeviceId;
import org.onlab.onos.net.Host;
import org.onlab.onos.net.HostId;
import org.onlab.onos.net.HostLocation;
import org.onlab.onos.net.PortNumber;
import org.onlab.onos.net.flow.DefaultTrafficSelector;
import org.onlab.onos.net.flow.DefaultTrafficTreatment;
import org.onlab.onos.net.flow.TrafficSelector;
import org.onlab.onos.net.flow.TrafficTreatment;
import org.onlab.onos.net.host.HostListener;
import org.onlab.onos.net.host.HostService;
import org.onlab.onos.net.host.InterfaceIpAddress;
import org.onlab.onos.net.intent.Intent;
import org.onlab.onos.net.intent.IntentOperations;
import org.onlab.onos.net.intent.IntentService;
import org.onlab.onos.net.intent.MultiPointToSinglePointIntent;
import org.onlab.onos.net.intent.AbstractIntentTest;
import org.onlab.onos.net.provider.ProviderId;
import org.onlab.onos.sdnip.IntentSynchronizer.IntentKey;
import org.onlab.onos.sdnip.config.BgpPeer;
import org.onlab.onos.sdnip.config.Interface;
import org.onlab.onos.sdnip.config.SdnIpConfigService;
import org.onlab.packet.Ethernet;
import org.onlab.packet.IpAddress;
import org.onlab.packet.Ip4Address;
import org.onlab.packet.IpPrefix;
import org.onlab.packet.Ip4Prefix;
import org.onlab.packet.MacAddress;
import org.onlab.packet.VlanId;
import com.google.common.collect.Sets;
/**
* This class tests adding a route, updating a route, deleting a route,
* and adding a route whose next hop is the local BGP speaker.
* <p/>
* ARP module answers the MAC address synchronously.
*/
public class RouterTest extends AbstractIntentTest {
private SdnIpConfigService sdnIpConfigService;
private InterfaceService interfaceService;
private IntentService intentService;
private HostService hostService;
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 static final ApplicationId APPID = new ApplicationId() {
@Override
public short id() {
return 1;
}
@Override
public String name() {
return "SDNIP";
}
};
private IntentSynchronizer intentSynchronizer;
private Router router;
@Before
public void setUp() throws Exception {
super.setUp();
setUpBgpPeers();
setUpInterfaceService();
setUpHostService();
intentService = createMock(IntentService.class);
intentSynchronizer = new IntentSynchronizer(APPID, intentService);
router = new Router(APPID, intentSynchronizer, sdnIpConfigService,
interfaceService, hostService);
}
/**
* Sets up BGP peers in external networks.
*/
private void setUpBgpPeers() {
Map<IpAddress, BgpPeer> peers = new HashMap<>();
String peerSw1Eth1 = "192.168.10.1";
peers.put(IpAddress.valueOf(peerSw1Eth1),
new BgpPeer("00:00:00:00:00:00:00:01", 1, peerSw1Eth1));
// Two BGP peers are connected to switch 2 port 1.
String peer1Sw2Eth1 = "192.168.20.1";
peers.put(IpAddress.valueOf(peer1Sw2Eth1),
new BgpPeer("00:00:00:00:00:00:00:02", 1, peer1Sw2Eth1));
String peer2Sw2Eth1 = "192.168.20.2";
peers.put(IpAddress.valueOf(peer2Sw2Eth1),
new BgpPeer("00:00:00:00:00:00:00:02", 1, peer2Sw2Eth1));
sdnIpConfigService = createMock(SdnIpConfigService.class);
expect(sdnIpConfigService.getBgpPeers()).andReturn(peers).anyTimes();
replay(sdnIpConfigService);
}
/**
* Sets up logical interfaces, which emulate the configured interfaces
* in SDN-IP application.
*/
private void setUpInterfaceService() {
interfaceService = createMock(InterfaceService.class);
Set<Interface> interfaces = Sets.newHashSet();
InterfaceIpAddress ia1 =
new InterfaceIpAddress(IpAddress.valueOf("192.168.10.101"),
IpPrefix.valueOf("192.168.10.0/24"));
Interface sw1Eth1 = new Interface(SW1_ETH1,
Sets.newHashSet(ia1),
MacAddress.valueOf("00:00:00:00:00:01"));
expect(interfaceService.getInterface(SW1_ETH1)).andReturn(sw1Eth1).anyTimes();
interfaces.add(sw1Eth1);
InterfaceIpAddress ia2 =
new InterfaceIpAddress(IpAddress.valueOf("192.168.20.101"),
IpPrefix.valueOf("192.168.20.0/24"));
Interface sw2Eth1 = new Interface(SW2_ETH1,
Sets.newHashSet(ia2),
MacAddress.valueOf("00:00:00:00:00:02"));
expect(interfaceService.getInterface(SW2_ETH1)).andReturn(sw2Eth1).anyTimes();
interfaces.add(sw2Eth1);
InterfaceIpAddress ia3 =
new InterfaceIpAddress(IpAddress.valueOf("192.168.30.101"),
IpPrefix.valueOf("192.168.30.0/24"));
Interface sw3Eth1 = new Interface(SW3_ETH1,
Sets.newHashSet(ia3),
MacAddress.valueOf("00:00:00:00:00:03"));
expect(interfaceService.getInterface(SW3_ETH1)).andReturn(sw3Eth1).anyTimes();
interfaces.add(sw3Eth1);
expect(interfaceService.getInterfaces()).andReturn(interfaces).anyTimes();
replay(interfaceService);
}
/**
* Sets up the host service with details of some hosts.
*/
private void setUpHostService() {
hostService = createMock(HostService.class);
hostService.addListener(anyObject(HostListener.class));
expectLastCall().anyTimes();
IpAddress host1Address = IpAddress.valueOf("192.168.10.1");
Host host1 = new DefaultHost(ProviderId.NONE, HostId.NONE,
MacAddress.valueOf("00:00:00:00:00:01"), VlanId.NONE,
new HostLocation(SW1_ETH1, 1),
Sets.newHashSet(host1Address));
expect(hostService.getHostsByIp(host1Address))
.andReturn(Sets.newHashSet(host1)).anyTimes();
hostService.startMonitoringIp(host1Address);
expectLastCall().anyTimes();
IpAddress host2Address = IpAddress.valueOf("192.168.20.1");
Host host2 = new DefaultHost(ProviderId.NONE, HostId.NONE,
MacAddress.valueOf("00:00:00:00:00:02"), VlanId.NONE,
new HostLocation(SW2_ETH1, 1),
Sets.newHashSet(host2Address));
expect(hostService.getHostsByIp(host2Address))
.andReturn(Sets.newHashSet(host2)).anyTimes();
hostService.startMonitoringIp(host2Address);
expectLastCall().anyTimes();
replay(hostService);
}
/**
* This method tests adding a route entry.
*/
@Test
public void testRouteAdd() throws TestUtilsException {
// Construct a route entry
RouteEntry routeEntry = new RouteEntry(
Ip4Prefix.valueOf("1.1.1.0/24"),
Ip4Address.valueOf("192.168.10.1"));
// Construct a MultiPointToSinglePointIntent intent
TrafficSelector.Builder selectorBuilder =
DefaultTrafficSelector.builder();
selectorBuilder.matchEthType(Ethernet.TYPE_IPV4).matchIPDst(
routeEntry.prefix());
TrafficTreatment.Builder treatmentBuilder =
DefaultTrafficTreatment.builder();
treatmentBuilder.setEthDst(MacAddress.valueOf("00:00:00:00:00:01"));
Set<ConnectPoint> ingressPoints = new HashSet<ConnectPoint>();
ingressPoints.add(SW2_ETH1);
ingressPoints.add(SW3_ETH1);
MultiPointToSinglePointIntent intent =
new MultiPointToSinglePointIntent(APPID,
selectorBuilder.build(), treatmentBuilder.build(),
ingressPoints, SW1_ETH1);
// Set up test expectation
reset(intentService);
// Setup the expected intents
IntentOperations.Builder builder = IntentOperations.builder(APPID);
builder.addSubmitOperation(intent);
intentService.execute(TestIntentServiceHelper.eqExceptId(
builder.build()));
replay(intentService);
// Call the processRouteUpdates() method in Router class
intentSynchronizer.leaderChanged(true);
TestUtils.setField(intentSynchronizer, "isActivatedLeader", true);
RouteUpdate routeUpdate = new RouteUpdate(RouteUpdate.Type.UPDATE,
routeEntry);
router.processRouteUpdates(Collections.<RouteUpdate>singletonList(routeUpdate));
// Verify
assertEquals(router.getRoutes().size(), 1);
assertTrue(router.getRoutes().contains(routeEntry));
assertEquals(intentSynchronizer.getRouteIntents().size(), 1);
Intent firstIntent =
intentSynchronizer.getRouteIntents().iterator().next();
IntentKey firstIntentKey = new IntentKey(firstIntent);
IntentKey intentKey = new IntentKey(intent);
assertTrue(firstIntentKey.equals(intentKey));
verify(intentService);
}
/**
* This method tests updating a route entry.
*
* @throws TestUtilsException
*/
@Test
public void testRouteUpdate() throws TestUtilsException {
// Firstly add a route
testRouteAdd();
Intent addedIntent =
intentSynchronizer.getRouteIntents().iterator().next();
// Construct the existing route entry
RouteEntry routeEntry = new RouteEntry(
Ip4Prefix.valueOf("1.1.1.0/24"),
Ip4Address.valueOf("192.168.10.1"));
// Start to construct a new route entry and new intent
RouteEntry routeEntryUpdate = new RouteEntry(
Ip4Prefix.valueOf("1.1.1.0/24"),
Ip4Address.valueOf("192.168.20.1"));
// Construct a new MultiPointToSinglePointIntent intent
TrafficSelector.Builder selectorBuilderNew =
DefaultTrafficSelector.builder();
selectorBuilderNew.matchEthType(Ethernet.TYPE_IPV4).matchIPDst(
routeEntryUpdate.prefix());
TrafficTreatment.Builder treatmentBuilderNew =
DefaultTrafficTreatment.builder();
treatmentBuilderNew.setEthDst(MacAddress.valueOf("00:00:00:00:00:02"));
Set<ConnectPoint> ingressPointsNew = new HashSet<ConnectPoint>();
ingressPointsNew.add(SW1_ETH1);
ingressPointsNew.add(SW3_ETH1);
MultiPointToSinglePointIntent intentNew =
new MultiPointToSinglePointIntent(APPID,
selectorBuilderNew.build(),
treatmentBuilderNew.build(),
ingressPointsNew, SW2_ETH1);
// Set up test expectation
reset(intentService);
// Setup the expected intents
IntentOperations.Builder builder = IntentOperations.builder(APPID);
builder.addWithdrawOperation(addedIntent.id());
intentService.execute(TestIntentServiceHelper.eqExceptId(
builder.build()));
builder = IntentOperations.builder(APPID);
builder.addSubmitOperation(intentNew);
intentService.execute(TestIntentServiceHelper.eqExceptId(
builder.build()));
replay(intentService);
// Call the processRouteUpdates() method in Router class
intentSynchronizer.leaderChanged(true);
TestUtils.setField(intentSynchronizer, "isActivatedLeader", true);
RouteUpdate routeUpdate = new RouteUpdate(RouteUpdate.Type.UPDATE,
routeEntryUpdate);
router.processRouteUpdates(Collections.<RouteUpdate>singletonList(routeUpdate));
// Verify
assertEquals(router.getRoutes().size(), 1);
assertTrue(router.getRoutes().contains(routeEntryUpdate));
assertEquals(intentSynchronizer.getRouteIntents().size(), 1);
Intent firstIntent =
intentSynchronizer.getRouteIntents().iterator().next();
IntentKey firstIntentKey = new IntentKey(firstIntent);
IntentKey intentNewKey = new IntentKey(intentNew);
assertTrue(firstIntentKey.equals(intentNewKey));
verify(intentService);
}
/**
* This method tests deleting a route entry.
*/
@Test
public void testRouteDelete() throws TestUtilsException {
// Firstly add a route
testRouteAdd();
Intent addedIntent =
intentSynchronizer.getRouteIntents().iterator().next();
// Construct the existing route entry
RouteEntry routeEntry = new RouteEntry(
Ip4Prefix.valueOf("1.1.1.0/24"),
Ip4Address.valueOf("192.168.10.1"));
// Set up expectation
reset(intentService);
// Setup the expected intents
IntentOperations.Builder builder = IntentOperations.builder(APPID);
builder.addWithdrawOperation(addedIntent.id());
intentService.execute(TestIntentServiceHelper.eqExceptId(
builder.build()));
replay(intentService);
// Call the processRouteUpdates() method in Router class
intentSynchronizer.leaderChanged(true);
TestUtils.setField(intentSynchronizer, "isActivatedLeader", true);
RouteUpdate routeUpdate = new RouteUpdate(RouteUpdate.Type.DELETE,
routeEntry);
router.processRouteUpdates(Collections.<RouteUpdate>singletonList(routeUpdate));
// Verify
assertEquals(router.getRoutes().size(), 0);
assertEquals(intentSynchronizer.getRouteIntents().size(), 0);
verify(intentService);
}
/**
* This method tests when the next hop of a route is the local BGP speaker.
*
* @throws TestUtilsException
*/
@Test
public void testLocalRouteAdd() throws TestUtilsException {
// Construct a route entry, the next hop is the local BGP speaker
RouteEntry routeEntry = new RouteEntry(
Ip4Prefix.valueOf("1.1.1.0/24"),
Ip4Address.valueOf("0.0.0.0"));
// Reset intentService to check whether the submit method is called
reset(intentService);
replay(intentService);
// Call the processRouteUpdates() method in Router class
intentSynchronizer.leaderChanged(true);
TestUtils.setField(intentSynchronizer, "isActivatedLeader", true);
RouteUpdate routeUpdate = new RouteUpdate(RouteUpdate.Type.UPDATE,
routeEntry);
router.processRouteUpdates(Collections.<RouteUpdate>singletonList(routeUpdate));
// Verify
assertEquals(router.getRoutes().size(), 1);
assertTrue(router.getRoutes().contains(routeEntry));
assertEquals(intentSynchronizer.getRouteIntents().size(), 0);
verify(intentService);
}
}