| /* |
| * Copyright 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.cordfabric; |
| |
| import com.google.common.collect.HashMultimap; |
| import com.google.common.collect.Multimap; |
| import org.apache.felix.scr.annotations.Activate; |
| import org.apache.felix.scr.annotations.Component; |
| import org.apache.felix.scr.annotations.Deactivate; |
| import org.apache.felix.scr.annotations.Reference; |
| import org.apache.felix.scr.annotations.ReferenceCardinality; |
| import org.apache.felix.scr.annotations.Service; |
| import org.onlab.packet.Ethernet; |
| import org.onlab.packet.IPv4; |
| import org.onlab.packet.VlanId; |
| import org.onosproject.core.ApplicationId; |
| import org.onosproject.core.CoreService; |
| import org.onosproject.net.ConnectPoint; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.PortNumber; |
| import org.onosproject.net.flow.DefaultTrafficSelector; |
| import org.onosproject.net.flow.DefaultTrafficTreatment; |
| import org.onosproject.net.flow.TrafficSelector; |
| import org.onosproject.net.flow.TrafficTreatment; |
| import org.onosproject.net.flowobjective.DefaultForwardingObjective; |
| import org.onosproject.net.flowobjective.FlowObjectiveService; |
| import org.onosproject.net.flowobjective.ForwardingObjective; |
| import org.onosproject.net.flowobjective.Objective; |
| import org.onosproject.net.flowobjective.ObjectiveContext; |
| import org.onosproject.net.flowobjective.ObjectiveError; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.stream.Collectors; |
| |
| import static com.google.common.base.Preconditions.checkArgument; |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static org.slf4j.LoggerFactory.getLogger; |
| |
| /** |
| * CORD fabric application. |
| */ |
| @Service |
| @Component(immediate = true) |
| public class CordFabricManager implements FabricService { |
| |
| private final Logger log = getLogger(getClass()); |
| |
| private ApplicationId appId; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected CoreService coreService; |
| |
| @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY) |
| protected FlowObjectiveService flowObjectiveService; |
| |
| private static final int PRIORITY = 1000; |
| |
| private short openflowPort = 6633; |
| |
| private short radiusPort = 1812; |
| |
| private DeviceId fabricDeviceId = DeviceId.deviceId("of:5e3e486e73000187"); |
| |
| private ConnectPoint oltConnectPoint = |
| new ConnectPoint(fabricDeviceId, PortNumber.portNumber(2)); |
| private ConnectPoint oltControllerConnectPoint = |
| new ConnectPoint(fabricDeviceId, PortNumber.portNumber(1)); |
| private ConnectPoint radiusConnectPoint = |
| new ConnectPoint(fabricDeviceId, PortNumber.portNumber(5)); |
| |
| private final Multimap<VlanId, ConnectPoint> vlans = HashMultimap.create(); |
| |
| @Activate |
| public void activate() { |
| appId = coreService.registerApplication("org.onosproject.cordfabric"); |
| |
| setupDefaultFlows(); |
| |
| log.info("Started"); |
| } |
| |
| @Deactivate |
| public void deactivate() { |
| log.info("Stopped"); |
| } |
| |
| private void setupDefaultFlows() { |
| TrafficSelector toControllerOF = DefaultTrafficSelector.builder() |
| .matchEthType(Ethernet.TYPE_IPV4) |
| .matchIPProtocol(IPv4.PROTOCOL_TCP) |
| .matchTcpDst(openflowPort) |
| .build(); |
| |
| TrafficSelector fromControllerOF = DefaultTrafficSelector.builder() |
| .matchEthType(Ethernet.TYPE_IPV4) |
| .matchIPProtocol(IPv4.PROTOCOL_TCP) |
| .matchTcpSrc(openflowPort) |
| .build(); |
| |
| TrafficSelector toRadius = DefaultTrafficSelector.builder() |
| .matchEthType(Ethernet.TYPE_IPV4) |
| .matchInPort(oltConnectPoint.port()) |
| .matchIPProtocol(IPv4.PROTOCOL_UDP) |
| .matchUdpDst(radiusPort) |
| .build(); |
| |
| TrafficSelector fromRadius = DefaultTrafficSelector.builder() |
| .matchEthType(Ethernet.TYPE_IPV4) |
| .matchInPort(radiusConnectPoint.port()) |
| .matchIPProtocol(IPv4.PROTOCOL_UDP) |
| .matchUdpDst(radiusPort) |
| .build(); |
| |
| |
| TrafficTreatment forwardToController = DefaultTrafficTreatment.builder() |
| .setOutput(oltControllerConnectPoint.port()) |
| .build(); |
| |
| TrafficTreatment forwardToOLT = DefaultTrafficTreatment.builder() |
| .setOutput(oltConnectPoint.port()) |
| .build(); |
| |
| TrafficTreatment forwardToRadius = DefaultTrafficTreatment.builder() |
| .setOutput(radiusConnectPoint.port()) |
| .build(); |
| |
| |
| ForwardingObjective ofToController = DefaultForwardingObjective.builder() |
| .fromApp(appId) |
| .makePermanent() |
| .withFlag(ForwardingObjective.Flag.VERSATILE) |
| .withPriority(PRIORITY) |
| .withSelector(toControllerOF) |
| .withTreatment(forwardToController) |
| .add(); |
| |
| ForwardingObjective ofFromController = DefaultForwardingObjective.builder() |
| .fromApp(appId) |
| .makePermanent() |
| .withFlag(ForwardingObjective.Flag.VERSATILE) |
| .withPriority(PRIORITY) |
| .withSelector(fromControllerOF) |
| .withTreatment(forwardToOLT) |
| .add(); |
| |
| ForwardingObjective gotoRadius = DefaultForwardingObjective.builder() |
| .fromApp(appId) |
| .makePermanent() |
| .withFlag(ForwardingObjective.Flag.VERSATILE) |
| .withPriority(PRIORITY) |
| .withSelector(toRadius) |
| .withTreatment(forwardToRadius) |
| .add(); |
| |
| ForwardingObjective cameFromRadius = DefaultForwardingObjective.builder() |
| .fromApp(appId) |
| .makePermanent() |
| .withFlag(ForwardingObjective.Flag.VERSATILE) |
| .withPriority(PRIORITY) |
| .withSelector(fromRadius) |
| .withTreatment(forwardToOLT) |
| .add(); |
| |
| flowObjectiveService.forward(fabricDeviceId, ofToController); |
| flowObjectiveService.forward(fabricDeviceId, ofFromController); |
| flowObjectiveService.forward(fabricDeviceId, gotoRadius); |
| flowObjectiveService.forward(fabricDeviceId, cameFromRadius); |
| } |
| |
| @Override |
| public void addVlan(FabricVlan vlan) { |
| checkNotNull(vlan); |
| checkArgument(vlan.ports().size() > 1); |
| verifyPorts(vlan.ports()); |
| |
| removeVlan(vlan.vlan()); |
| |
| vlan.ports().forEach(cp -> { |
| if (vlans.put(vlan.vlan(), cp)) { |
| addForwarding(vlan.vlan(), cp.deviceId(), cp.port(), |
| vlan.ports().stream() |
| .filter(p -> p != cp) |
| .map(ConnectPoint::port) |
| .collect(Collectors.toList())); |
| } |
| }); |
| } |
| |
| @Override |
| public void removeVlan(VlanId vlanId) { |
| vlans.removeAll(vlanId) |
| .forEach(cp -> removeForwarding(vlanId, cp.deviceId(), cp.port())); |
| } |
| |
| @Override |
| public List<FabricVlan> getVlans() { |
| List<FabricVlan> fVlans = new ArrayList<>(); |
| vlans.keySet().forEach(vlan -> fVlans.add( |
| new FabricVlan(vlan, vlans.get(vlan)))); |
| return fVlans; |
| } |
| |
| private static void verifyPorts(List<ConnectPoint> ports) { |
| DeviceId deviceId = ports.get(0).deviceId(); |
| for (ConnectPoint connectPoint : ports) { |
| if (!connectPoint.deviceId().equals(deviceId)) { |
| throw new IllegalArgumentException("Ports must all be on the same device"); |
| } |
| } |
| } |
| |
| private void addForwarding(VlanId vlanId, DeviceId deviceId, PortNumber inPort, |
| List<PortNumber> outPorts) { |
| TrafficSelector selector = DefaultTrafficSelector.builder() |
| .matchVlanId(vlanId) |
| .matchInPort(inPort) |
| .build(); |
| |
| TrafficTreatment.Builder treatmentBuilder = DefaultTrafficTreatment.builder(); |
| |
| outPorts.forEach(p -> treatmentBuilder.setOutput(p)); |
| |
| ForwardingObjective objective = DefaultForwardingObjective.builder() |
| .fromApp(appId) |
| .makePermanent() |
| .withFlag(ForwardingObjective.Flag.VERSATILE) |
| .withPriority(PRIORITY) |
| .withSelector(selector) |
| .withTreatment(treatmentBuilder.build()) |
| .add(new ObjectiveHandler()); |
| |
| flowObjectiveService.forward(deviceId, objective); |
| } |
| |
| private void removeForwarding(VlanId vlanId, DeviceId deviceId, PortNumber inPort) { |
| TrafficSelector selector = DefaultTrafficSelector.builder() |
| .matchVlanId(vlanId) |
| .matchInPort(inPort) |
| .build(); |
| |
| ForwardingObjective objective = DefaultForwardingObjective.builder() |
| .fromApp(appId) |
| .makePermanent() |
| .withFlag(ForwardingObjective.Flag.VERSATILE) |
| .withPriority(PRIORITY) |
| .withSelector(selector) |
| .withTreatment(DefaultTrafficTreatment.builder().build()) |
| .remove(new ObjectiveHandler()); |
| |
| flowObjectiveService.forward(deviceId, objective); |
| } |
| |
| private static class ObjectiveHandler implements ObjectiveContext { |
| private static Logger log = LoggerFactory.getLogger(ObjectiveHandler.class); |
| |
| @Override |
| public void onSuccess(Objective objective) { |
| log.info("Flow objective operation successful: {}", objective); |
| } |
| |
| @Override |
| public void onError(Objective objective, ObjectiveError error) { |
| log.info("Flow objective operation failed: {}", objective); |
| } |
| } |
| } |