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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.provider.of.packet.impl;
import com.google.common.collect.Lists;
import com.google.common.collect.Sets;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.onlab.packet.ARP;
import org.onlab.packet.Ethernet;
import org.onosproject.net.Device;
import org.onosproject.net.DeviceId;
import org.onosproject.net.PortNumber;
import org.onosproject.net.flow.DefaultTrafficTreatment;
import org.onosproject.net.flow.TrafficTreatment;
import org.onosproject.net.flow.instructions.Instruction;
import org.onosproject.net.flow.instructions.Instructions;
import org.onosproject.net.packet.DefaultOutboundPacket;
import org.onosproject.net.packet.OutboundPacket;
import org.onosproject.net.packet.PacketContext;
import org.onosproject.net.packet.PacketProvider;
import org.onosproject.net.packet.PacketProviderRegistry;
import org.onosproject.net.packet.PacketProviderService;
import org.onosproject.net.provider.ProviderId;
import org.onosproject.openflow.controller.DefaultOpenFlowPacketContext;
import org.onosproject.openflow.controller.Dpid;
import org.onosproject.openflow.controller.OpenFlowController;
import org.onosproject.openflow.controller.OpenFlowEventListener;
import org.onosproject.openflow.controller.OpenFlowPacketContext;
import org.onosproject.openflow.controller.OpenFlowSwitch;
import org.onosproject.openflow.controller.OpenFlowSwitchListener;
import org.onosproject.openflow.controller.PacketListener;
import org.onosproject.openflow.controller.RoleState;
import org.projectfloodlight.openflow.protocol.OFFactory;
import org.projectfloodlight.openflow.protocol.OFMessage;
import org.projectfloodlight.openflow.protocol.OFPacketIn;
import org.projectfloodlight.openflow.protocol.OFPacketInReason;
import org.projectfloodlight.openflow.protocol.OFPortDesc;
import org.projectfloodlight.openflow.protocol.ver10.OFFactoryVer10;
import org.projectfloodlight.openflow.types.MacAddress;
import org.projectfloodlight.openflow.types.OFBufferId;
import org.projectfloodlight.openflow.types.OFPort;
import java.nio.ByteBuffer;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import static org.junit.Assert.*;
public class OpenFlowPacketProviderTest {
private static final int PN1 = 100;
private static final int PN2 = 200;
private static final int PN3 = 300;
private static final short VLANID = (short) 100;
private static final DeviceId DID = DeviceId.deviceId("of:1");
private static final DeviceId DID_MISSING = DeviceId.deviceId("of:2");
private static final DeviceId DID_WRONG = DeviceId.deviceId("test:1");
private static final PortNumber P1 = PortNumber.portNumber(PN1);
private static final PortNumber P2 = PortNumber.portNumber(PN2);
private static final PortNumber P3 = PortNumber.portNumber(PN3);
private static final Instruction INST1 = Instructions.createOutput(P1);
private static final Instruction INST2 = Instructions.createOutput(P2);
private static final Instruction INST3 = Instructions.createOutput(P3);
private static final OFPortDesc PD1 = portDesc(PN1);
private static final OFPortDesc PD2 = portDesc(PN2);
private static final List<OFPortDesc> PLIST = Lists.newArrayList(PD1, PD2);
private static final TrafficTreatment TR = treatment(INST1, INST2);
private static final TrafficTreatment TR_MISSING = treatment(INST1, INST3);
private static final byte[] ANY = new byte [] {0, 0, 0, 0};
private final OpenFlowPacketProvider provider = new OpenFlowPacketProvider();
private final TestPacketRegistry registry = new TestPacketRegistry();
private final TestController controller = new TestController();
private final TestOpenFlowSwitch sw = new TestOpenFlowSwitch();
@Before
public void startUp() {
provider.providerRegistry = registry;
provider.controller = controller;
provider.activate();
assertNotNull("listener should be registered", registry.listener);
}
@After
public void teardown() {
provider.deactivate();
assertNull("listeners shouldn't be registered", registry.listener);
provider.controller = null;
provider.providerRegistry = null;
}
@Test(expected = IllegalArgumentException.class)
public void wrongScheme() {
sw.setRole(RoleState.MASTER);
OutboundPacket schemeFailPkt = outPacket(DID_WRONG, TR, null);
provider.emit(schemeFailPkt);
assertEquals("message sent incorrectly", 0, sw.sent.size());
}
@Test
public void emit() {
MacAddress mac1 = MacAddress.of("00:00:00:11:00:01");
MacAddress mac2 = MacAddress.of("00:00:00:22:00:02");
ARP arp = new ARP();
arp.setSenderProtocolAddress(ANY)
.setSenderHardwareAddress(mac1.getBytes())
.setTargetHardwareAddress(mac2.getBytes())
.setTargetProtocolAddress(ANY)
.setHardwareType((short) 0)
.setProtocolType((short) 0)
.setHardwareAddressLength((byte) 6)
.setProtocolAddressLength((byte) 4)
.setOpCode((byte) 0);
Ethernet eth = new Ethernet();
eth.setVlanID(VLANID)
.setEtherType(Ethernet.TYPE_ARP)
.setSourceMACAddress("00:00:00:11:00:01")
.setDestinationMACAddress("00:00:00:22:00:02")
.setPayload(arp);
//the should-be working setup.
OutboundPacket passPkt = outPacket(DID, TR, eth);
sw.setRole(RoleState.MASTER);
provider.emit(passPkt);
assertEquals("invalid switch", sw, controller.current);
assertEquals("message not sent", PLIST.size(), sw.sent.size());
sw.sent.clear();
//wrong Role
//sw.setRole(RoleState.SLAVE);
//provider.emit(passPkt);
//assertEquals("invalid switch", sw, controller.current);
//assertEquals("message sent incorrectly", 0, sw.sent.size());
//sw.setRole(RoleState.MASTER);
//missing switch
OutboundPacket swFailPkt = outPacket(DID_MISSING, TR, eth);
provider.emit(swFailPkt);
assertNull("invalid switch", controller.current);
assertEquals("message sent incorrectly", 0, sw.sent.size());
//to missing port
//OutboundPacket portFailPkt = outPacket(DID, TR_MISSING, eth);
//provider.emit(portFailPkt);
//assertEquals("extra message sent", 1, sw.sent.size());
}
@Test
public void handlePacket() {
OFPacketIn pkt = sw.factory().buildPacketIn()
.setBufferId(OFBufferId.NO_BUFFER)
.setInPort(OFPort.NO_MASK)
.setReason(OFPacketInReason.INVALID_TTL)
.build();
controller.processPacket(null, pkt);
assertNotNull("message unprocessed", registry.ctx);
}
private static OFPortDesc portDesc(int port) {
OFPortDesc.Builder builder = OFFactoryVer10.INSTANCE.buildPortDesc();
builder.setPortNo(OFPort.of(port));
return builder.build();
}
private static TrafficTreatment treatment(Instruction ... insts) {
TrafficTreatment.Builder builder = DefaultTrafficTreatment.builder();
for (Instruction i : insts) {
builder.add(i);
}
return builder.build();
}
private static OutboundPacket outPacket(
DeviceId d, TrafficTreatment t, Ethernet e) {
ByteBuffer buf = null;
if (e != null) {
buf = ByteBuffer.wrap(e.serialize());
}
return new DefaultOutboundPacket(d, t, buf);
}
private class TestPacketRegistry implements PacketProviderRegistry {
PacketProvider listener = null;
PacketContext ctx = null;
@Override
public PacketProviderService register(PacketProvider provider) {
listener = provider;
return new TestPacketProviderService();
}
@Override
public void unregister(PacketProvider provider) {
listener = null;
}
@Override
public Set<ProviderId> getProviders() {
return Sets.newHashSet(listener.id());
}
private class TestPacketProviderService implements PacketProviderService {
@Override
public PacketProvider provider() {
return null;
}
@Override
public void processPacket(PacketContext context) {
ctx = context;
}
}
}
private class TestController implements OpenFlowController {
PacketListener pktListener;
OpenFlowSwitch current;
@Override
public Iterable<OpenFlowSwitch> getSwitches() {
return null;
}
@Override
public Iterable<OpenFlowSwitch> getMasterSwitches() {
return null;
}
@Override
public Iterable<OpenFlowSwitch> getEqualSwitches() {
return null;
}
@Override
public OpenFlowSwitch getSwitch(Dpid dpid) {
if (dpid.equals(Dpid.dpid(DID.uri()))) {
current = sw;
} else {
current = null;
}
return current;
}
@Override
public OpenFlowSwitch getMasterSwitch(Dpid dpid) {
return null;
}
@Override
public OpenFlowSwitch getEqualSwitch(Dpid dpid) {
return null;
}
@Override
public void addListener(OpenFlowSwitchListener listener) {
}
@Override
public void removeListener(OpenFlowSwitchListener listener) {
}
@Override
public void addPacketListener(int priority, PacketListener listener) {
pktListener = listener;
}
@Override
public void removePacketListener(PacketListener listener) {
}
@Override
public void addEventListener(OpenFlowEventListener listener) {
}
@Override
public void removeEventListener(OpenFlowEventListener listener) {
}
@Override
public void write(Dpid dpid, OFMessage msg) {
}
@Override
public void processPacket(Dpid dpid, OFMessage msg) {
OpenFlowPacketContext pktCtx =
DefaultOpenFlowPacketContext.
packetContextFromPacketIn(sw, (OFPacketIn) msg);
pktListener.handlePacket(pktCtx);
}
@Override
public void setRole(Dpid dpid, RoleState role) {
}
}
private class TestOpenFlowSwitch implements OpenFlowSwitch {
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 handleMessage(OFMessage fromSwitch) {
}
@Override
public void setRole(RoleState role) {
state = role;
}
@Override
public RoleState getRole() {
return state;
}
@Override
public List<OFPortDesc> getPorts() {
return PLIST;
}
@Override
public OFFactory factory() {
return factory;
}
@Override
public String getStringId() {
return null;
}
@Override
public long getId() {
return 0;
}
@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 void returnRoleReply(RoleState requested, RoleState reponse) {
}
@Override
public Device.Type deviceType() {
return Device.Type.SWITCH;
}
@Override
public String channelId() {
return "1.2.3.4:1";
}
}
}
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