| /* |
| * 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.onosproject.provider.of.link.impl; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertNull; |
| import static org.junit.Assert.assertTrue; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.onosproject.net.ConnectPoint; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.link.LinkDescription; |
| import org.onosproject.net.link.LinkProvider; |
| import org.onosproject.net.link.LinkProviderRegistry; |
| import org.onosproject.net.link.LinkProviderService; |
| import org.onosproject.net.provider.AbstractProviderService; |
| import org.onosproject.net.provider.ProviderId; |
| import org.onosproject.openflow.controller.Dpid; |
| import org.onosproject.openflow.controller.OpenFlowPacketContext; |
| import org.onosproject.openflow.controller.OpenFlowSwitch; |
| import org.onosproject.openflow.controller.OpenFlowSwitchListener; |
| import org.onosproject.openflow.controller.OpenflowControllerAdapter; |
| import org.onosproject.openflow.controller.PacketListener; |
| import org.onosproject.openflow.controller.RoleState; |
| import org.onlab.packet.Ethernet; |
| import org.onlab.packet.ONLabLddp; |
| import org.projectfloodlight.openflow.protocol.OFFactory; |
| import org.projectfloodlight.openflow.protocol.OFMessage; |
| import org.projectfloodlight.openflow.protocol.OFPortConfig; |
| import org.projectfloodlight.openflow.protocol.OFPortDesc; |
| import org.projectfloodlight.openflow.protocol.OFPortReason; |
| import org.projectfloodlight.openflow.protocol.OFPortStatus; |
| import org.projectfloodlight.openflow.protocol.ver10.OFFactoryVer10; |
| import org.projectfloodlight.openflow.types.OFPort; |
| |
| import com.google.common.collect.Lists; |
| import com.google.common.collect.Maps; |
| |
| public class OpenFlowLinkProviderTest { |
| |
| |
| private static final DeviceId DID1 = DeviceId.deviceId("of:0000000000000001"); |
| private static final DeviceId DID2 = DeviceId.deviceId("of:0000000000000002"); |
| |
| private static final Dpid DPID2 = Dpid.dpid(DID2.uri()); |
| private static final Dpid DPID1 = Dpid.dpid(DID1.uri()); |
| |
| private static final OFPortDesc PD1 = portDesc(1, true); |
| private static final OFPortDesc PD2 = portDesc(2, true); |
| private static final OFPortDesc PD3 = portDesc(1, true); |
| private static final OFPortDesc PD4 = portDesc(2, true); |
| |
| private static final List<OFPortDesc> PLIST1 = Lists.newArrayList(PD1, PD2); |
| private static final List<OFPortDesc> PLIST2 = Lists.newArrayList(PD3, PD4); |
| |
| private static final TestOpenFlowSwitch SW1 = new TestOpenFlowSwitch(DPID1, PLIST1); |
| private static final TestOpenFlowSwitch SW2 = new TestOpenFlowSwitch(DPID2, PLIST2); |
| |
| private final OpenFlowLinkProvider provider = new OpenFlowLinkProvider(); |
| private final TestLinkRegistry linkService = new TestLinkRegistry(); |
| private final TestController controller = new TestController(); |
| |
| private TestLinkProviderService providerService; |
| private TestPacketContext pktCtx; |
| |
| @Before |
| public void setUp() { |
| pktCtx = new TestPacketContext(DPID2); |
| provider.providerRegistry = linkService; |
| controller.switchMap.put(DPID1, SW1); |
| controller.switchMap.put(DPID2, SW2); |
| provider.controller = controller; |
| provider.activate(); |
| } |
| |
| @Test |
| public void basics() { |
| assertNotNull("registration expected", providerService); |
| assertEquals("incorrect provider", provider, providerService.provider()); |
| } |
| |
| @Test |
| public void switchAdd() { |
| controller.listener.switchAdded(DPID1); |
| assertFalse("Device not added", provider.discoverers.isEmpty()); |
| } |
| |
| @Test |
| public void switchRemove() { |
| controller.listener.switchAdded(DPID1); |
| controller.listener.switchRemoved(DPID1); |
| |
| assertTrue("Discoverer is not gone", provider.discoverers.isEmpty()); |
| assertTrue("Device is not gone.", vanishedDpid(DPID1)); |
| } |
| |
| @Test |
| public void portUp() { |
| controller.listener.switchAdded(DPID1); |
| controller.listener.portChanged(DPID1, portStatus(true, 3)); |
| |
| assertTrue("Port not added to discoverer", |
| provider.discoverers.get(DPID1).ports.containsKey(3)); |
| } |
| |
| @Test |
| public void portDown() { |
| controller.listener.switchAdded(DPID1); |
| controller.listener.portChanged(DPID1, portStatus(false, 1)); |
| |
| assertFalse("Port added to discoverer", |
| provider.discoverers.get(DPID1).ports.containsKey(1)); |
| assertTrue("Port is not gone.", vanishedPort((long) 1)); |
| } |
| |
| @Test |
| public void portUnknown() { |
| controller.listener.switchAdded(DPID1); |
| controller.listener.portChanged(DPID2, portStatus(false, 1)); |
| |
| assertNull("DPID exists", |
| provider.discoverers.get(DPID2)); |
| } |
| |
| @Test |
| public void unknownPktCtx() { |
| controller.pktListener.handlePacket(pktCtx); |
| |
| assertFalse("Context should still be free", pktCtx.isHandled()); |
| } |
| |
| @Test |
| public void knownPktCtx() { |
| controller.listener.switchAdded(DPID1); |
| controller.listener.switchAdded(DPID2); |
| |
| controller.pktListener.handlePacket(pktCtx); |
| |
| assertTrue("Link not detected", detectedLink(DPID1, DPID2)); |
| |
| } |
| |
| |
| @After |
| public void tearDown() { |
| provider.deactivate(); |
| provider.providerRegistry = null; |
| provider.controller = null; |
| } |
| |
| private OFPortStatus portStatus(boolean up, int port) { |
| OFPortDesc desc = portDesc(port, up); |
| OFPortStatus status = OFFactoryVer10.INSTANCE.buildPortStatus() |
| .setDesc(desc) |
| .setReason(up ? OFPortReason.ADD : OFPortReason.DELETE).build(); |
| return status; |
| |
| } |
| |
| private static OFPortDesc portDesc(int port, boolean up) { |
| OFPortDesc.Builder builder = OFFactoryVer10.INSTANCE.buildPortDesc(); |
| builder.setPortNo(OFPort.of(port)); |
| if (!up) { |
| builder.setConfig(Collections.singleton(OFPortConfig.PORT_DOWN)); |
| } |
| return builder.build(); |
| } |
| |
| private boolean vanishedDpid(Dpid... dpids) { |
| for (int i = 0; i < dpids.length; i++) { |
| if (!providerService.vanishedDpid.contains(dpids[i])) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| private boolean vanishedPort(Long... ports) { |
| for (int i = 0; i < ports.length; i++) { |
| if (!providerService.vanishedPort.contains(ports[i])) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| private boolean detectedLink(Dpid src, Dpid dst) { |
| for (Dpid key : providerService.discoveredLinks.keySet()) { |
| if (key.equals(src)) { |
| return providerService.discoveredLinks.get(src).equals(dst); |
| } |
| } |
| return false; |
| } |
| |
| |
| private class TestLinkRegistry implements LinkProviderRegistry { |
| |
| @Override |
| public LinkProviderService register(LinkProvider provider) { |
| providerService = new TestLinkProviderService(provider); |
| return providerService; |
| } |
| |
| @Override |
| public void unregister(LinkProvider provider) { |
| } |
| |
| @Override |
| public Set<ProviderId> getProviders() { |
| return null; |
| } |
| |
| } |
| |
| private class TestLinkProviderService |
| extends AbstractProviderService<LinkProvider> |
| implements LinkProviderService { |
| |
| List<Dpid> vanishedDpid = Lists.newLinkedList(); |
| List<Long> vanishedPort = Lists.newLinkedList(); |
| Map<Dpid, Dpid> discoveredLinks = Maps.newHashMap(); |
| |
| protected TestLinkProviderService(LinkProvider provider) { |
| super(provider); |
| } |
| |
| @Override |
| public void linkDetected(LinkDescription linkDescription) { |
| Dpid sDpid = Dpid.dpid(linkDescription.src().deviceId().uri()); |
| Dpid dDpid = Dpid.dpid(linkDescription.dst().deviceId().uri()); |
| discoveredLinks.put(sDpid, dDpid); |
| } |
| |
| @Override |
| public void linkVanished(LinkDescription linkDescription) { |
| } |
| |
| @Override |
| public void linksVanished(ConnectPoint connectPoint) { |
| vanishedPort.add(connectPoint.port().toLong()); |
| |
| } |
| |
| @Override |
| public void linksVanished(DeviceId deviceId) { |
| vanishedDpid.add(Dpid.dpid(deviceId.uri())); |
| } |
| |
| |
| } |
| |
| private class TestController extends OpenflowControllerAdapter { |
| PacketListener pktListener; |
| OpenFlowSwitchListener listener; |
| Map<Dpid, OpenFlowSwitch> switchMap = new HashMap<Dpid, OpenFlowSwitch>(); |
| |
| @Override |
| public void addPacketListener(int priority, PacketListener listener) { |
| pktListener = listener; |
| } |
| |
| @Override |
| public void removePacketListener(PacketListener listener) { |
| pktListener = null; |
| } |
| |
| @Override |
| public void addListener(OpenFlowSwitchListener listener) { |
| this.listener = listener; |
| } |
| |
| @Override |
| public void removeListener(OpenFlowSwitchListener listener) { |
| this.listener = null; |
| } |
| |
| @Override |
| public void processPacket(Dpid dpid, OFMessage msg) { |
| OpenFlowPacketContext ctx = new TestPacketContext(dpid); |
| pktListener.handlePacket(ctx); |
| } |
| |
| @Override |
| public Iterable<OpenFlowSwitch> getSwitches() { |
| return Collections.emptyList(); |
| } |
| |
| @Override |
| public OpenFlowSwitch getSwitch(Dpid dpid) { |
| return switchMap.get(dpid); |
| } |
| } |
| |
| |
| |
| private class TestPacketContext implements OpenFlowPacketContext { |
| |
| protected Dpid swid; |
| protected boolean blocked = false; |
| |
| public TestPacketContext(Dpid dpid) { |
| swid = dpid; |
| } |
| |
| @Override |
| public boolean block() { |
| blocked = true; |
| return blocked; |
| } |
| |
| @Override |
| public void send() { |
| } |
| |
| @Override |
| public void build(OFPort outPort) { |
| } |
| |
| @Override |
| public void build(Ethernet ethFrame, OFPort outPort) { |
| } |
| |
| @Override |
| public Ethernet parsed() { |
| return null; |
| } |
| |
| @Override |
| public byte[] unparsed() { |
| ONLabLddp lldp = new ONLabLddp(); |
| lldp.setSwitch(DPID1.value()); |
| |
| Ethernet ethPacket = new Ethernet(); |
| ethPacket.setEtherType(Ethernet.TYPE_LLDP); |
| ethPacket.setDestinationMACAddress(ONLabLddp.LLDP_NICIRA); |
| ethPacket.setPayload(lldp); |
| ethPacket.setPad(true); |
| |
| |
| lldp.setPort(PD1.getPortNo().getPortNumber()); |
| ethPacket.setSourceMACAddress(PD1.getHwAddr().getBytes()); |
| return ethPacket.serialize(); |
| |
| } |
| |
| @Override |
| public Dpid dpid() { |
| return swid; |
| } |
| |
| @Override |
| public Integer inPort() { |
| return PD3.getPortNo().getPortNumber(); |
| } |
| |
| @Override |
| public boolean isHandled() { |
| return blocked; |
| } |
| |
| @Override |
| public boolean isBuffered() { |
| return false; |
| } |
| |
| } |
| |
| private static class TestOpenFlowSwitch implements OpenFlowSwitch { |
| |
| private final List<OFPortDesc> ports; |
| private final Dpid dpid; |
| |
| public TestOpenFlowSwitch(Dpid dpid, List<OFPortDesc> ports) { |
| this.ports = ports; |
| this.dpid = dpid; |
| } |
| |
| RoleState state; |
| List<OFMessage> sent = new ArrayList<OFMessage>(); |
| OFFactory factory = OFFactoryVer10.INSTANCE; |
| |
| @Override |
| public void sendMsg(OFMessage msg) { |
| sent.add(msg); |
| } |
| |
| @Override |
| public void sendMsg(List<OFMessage> msgs) { |
| } |
| |
| @Override |
| public void sendMsg(OFMessage msg, TableType tableType) { |
| } |
| |
| @Override |
| public void handleMessage(OFMessage fromSwitch) { |
| } |
| |
| @Override |
| public void setRole(RoleState role) { |
| state = role; |
| } |
| |
| @Override |
| public RoleState getRole() { |
| return state; |
| } |
| |
| @Override |
| public List<OFPortDesc> getPorts() { |
| return ports; |
| } |
| |
| @Override |
| public OFFactory factory() { |
| return factory; |
| } |
| |
| @Override |
| public String getStringId() { |
| return null; |
| } |
| |
| @Override |
| public long getId() { |
| return dpid.value(); |
| } |
| |
| @Override |
| public String manufacturerDescription() { |
| return null; |
| } |
| |
| @Override |
| public String datapathDescription() { |
| return null; |
| } |
| |
| @Override |
| public String hardwareDescription() { |
| return null; |
| } |
| |
| @Override |
| public String softwareDescription() { |
| return null; |
| } |
| |
| @Override |
| public String serialNumber() { |
| return null; |
| } |
| |
| @Override |
| public boolean isConnected() { |
| return true; |
| } |
| |
| @Override |
| public void disconnectSwitch() { |
| } |
| |
| @Override |
| public boolean isOptical() { |
| return false; |
| } |
| |
| @Override |
| public void returnRoleReply(RoleState requested, RoleState reponse) { |
| } |
| |
| @Override |
| public String channelId() { |
| return "1.2.3.4:1"; |
| } |
| |
| |
| } |
| } |