aboutsummaryrefslogtreecommitdiffstats
path: root/framework/src/onos/apps/bgprouter
diff options
context:
space:
mode:
Diffstat (limited to 'framework/src/onos/apps/bgprouter')
-rw-r--r--framework/src/onos/apps/bgprouter/app.xml26
-rw-r--r--framework/src/onos/apps/bgprouter/features.xml28
-rw-r--r--framework/src/onos/apps/bgprouter/pom.xml74
-rw-r--r--framework/src/onos/apps/bgprouter/src/main/java/org/onosproject/bgprouter/BgpRouter.java465
-rw-r--r--framework/src/onos/apps/bgprouter/src/main/java/org/onosproject/bgprouter/IcmpHandler.java157
-rw-r--r--framework/src/onos/apps/bgprouter/src/main/java/org/onosproject/bgprouter/NextHop.java100
-rw-r--r--framework/src/onos/apps/bgprouter/src/main/java/org/onosproject/bgprouter/NextHopGroupKey.java73
-rw-r--r--framework/src/onos/apps/bgprouter/src/main/java/org/onosproject/bgprouter/TunnellingConnectivityManager.java210
-rw-r--r--framework/src/onos/apps/bgprouter/src/main/java/org/onosproject/bgprouter/package-info.java20
9 files changed, 1153 insertions, 0 deletions
diff --git a/framework/src/onos/apps/bgprouter/app.xml b/framework/src/onos/apps/bgprouter/app.xml
new file mode 100644
index 00000000..c85e469a
--- /dev/null
+++ b/framework/src/onos/apps/bgprouter/app.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ ~ 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.
+ -->
+<app name="org.onosproject.bgprouter" origin="ON.Lab" version="${project.version}"
+ featuresRepo="mvn:${project.groupId}/${project.artifactId}/${project.version}/xml/features"
+ features="${project.artifactId}">
+ <description>${project.description}</description>
+ <artifact>mvn:${project.groupId}/${project.artifactId}/${project.version}</artifact>
+ <artifact>mvn:${project.groupId}/onos-app-routing-api/${project.version}</artifact>
+ <artifact>mvn:${project.groupId}/onos-app-routing/${project.version}</artifact>
+ <artifact>mvn:${project.groupId}/onos-app-proxyarp/${project.version}</artifact>
+ <artifact>mvn:${project.groupId}/onos-app-config/${project.version}</artifact>
+</app>
diff --git a/framework/src/onos/apps/bgprouter/features.xml b/framework/src/onos/apps/bgprouter/features.xml
new file mode 100644
index 00000000..3457321c
--- /dev/null
+++ b/framework/src/onos/apps/bgprouter/features.xml
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<!--
+ ~ Copyright 2015 Open Networking Laboratory
+ ~
+ ~ Licensed under the Apache License, Version 2.0 (the "License");
+ ~ you may not use this file except in compliance with the License.
+ ~ You may obtain a copy of the License at
+ ~
+ ~ http://www.apache.org/licenses/LICENSE-2.0
+ ~
+ ~ Unless required by applicable law or agreed to in writing, software
+ ~ distributed under the License is distributed on an "AS IS" BASIS,
+ ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ ~ See the License for the specific language governing permissions and
+ ~ limitations under the License.
+ -->
+<features xmlns="http://karaf.apache.org/xmlns/features/v1.2.0" name="${project.artifactId}-${project.version}">
+ <repository>mvn:${project.groupId}/${project.artifactId}/${project.version}/xml/features</repository>
+ <feature name="${project.artifactId}" version="${project.version}"
+ description="${project.description}">
+ <feature>onos-api</feature>
+ <bundle>mvn:${project.groupId}/onos-app-routing-api/${project.version}</bundle>
+ <bundle>mvn:${project.groupId}/onos-app-config/${project.version}</bundle>
+ <bundle>mvn:${project.groupId}/onos-app-proxyarp/${project.version}</bundle>
+ <bundle>mvn:${project.groupId}/onos-app-bgprouter/${project.version}</bundle>
+ <bundle>mvn:${project.groupId}/onos-app-routing/${project.version}</bundle>
+ </feature>
+</features>
diff --git a/framework/src/onos/apps/bgprouter/pom.xml b/framework/src/onos/apps/bgprouter/pom.xml
new file mode 100644
index 00000000..d3f6f522
--- /dev/null
+++ b/framework/src/onos/apps/bgprouter/pom.xml
@@ -0,0 +1,74 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!--
+ ~ Copyright 2015 Open Networking Laboratory
+ ~
+ ~ Licensed under the Apache License, Version 2.0 (the "License");
+ ~ you may not use this file except in compliance with the License.
+ ~ You may obtain a copy of the License at
+ ~
+ ~ http://www.apache.org/licenses/LICENSE-2.0
+ ~
+ ~ Unless required by applicable law or agreed to in writing, software
+ ~ distributed under the License is distributed on an "AS IS" BASIS,
+ ~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ ~ See the License for the specific language governing permissions and
+ ~ limitations under the License.
+ -->
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+ xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+ <parent>
+ <artifactId>onos-apps</artifactId>
+ <groupId>org.onosproject</groupId>
+ <version>1.3.0-SNAPSHOT</version>
+ <relativePath>../pom.xml</relativePath>
+ </parent>
+ <modelVersion>4.0.0</modelVersion>
+
+ <artifactId>onos-app-bgprouter</artifactId>
+
+ <packaging>bundle</packaging>
+ <description>BGP router application</description>
+
+ <dependencies>
+ <dependency>
+ <groupId>org.onosproject</groupId>
+ <artifactId>onos-app-routing-api</artifactId>
+ <version>${project.version}</version>
+ </dependency>
+
+ <dependency>
+ <groupId>org.onosproject</groupId>
+ <artifactId>onos-app-routing</artifactId>
+ <version>${project.version}</version>
+ </dependency>
+
+ <dependency>
+ <groupId>org.onosproject</groupId>
+ <artifactId>onlab-misc</artifactId>
+ </dependency>
+
+ <dependency>
+ <groupId>org.onosproject</groupId>
+ <artifactId>onos-incubator-api</artifactId>
+ </dependency>
+
+ <dependency>
+ <groupId>com.google.guava</groupId>
+ <artifactId>guava</artifactId>
+ </dependency>
+
+ <dependency>
+ <groupId>org.onosproject</groupId>
+ <artifactId>onos-app-config</artifactId>
+ <version>${project.version}</version>
+ </dependency>
+
+ <dependency>
+ <groupId>org.onosproject</groupId>
+ <artifactId>onos-app-proxyarp</artifactId>
+ <version>${project.version}</version>
+ </dependency>
+
+ </dependencies>
+</project>
diff --git a/framework/src/onos/apps/bgprouter/src/main/java/org/onosproject/bgprouter/BgpRouter.java b/framework/src/onos/apps/bgprouter/src/main/java/org/onosproject/bgprouter/BgpRouter.java
new file mode 100644
index 00000000..e5388d28
--- /dev/null
+++ b/framework/src/onos/apps/bgprouter/src/main/java/org/onosproject/bgprouter/BgpRouter.java
@@ -0,0 +1,465 @@
+/*
+ * 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.bgprouter;
+
+import com.google.common.collect.ConcurrentHashMultiset;
+import com.google.common.collect.HashMultimap;
+import com.google.common.collect.Maps;
+import com.google.common.collect.Multimap;
+import com.google.common.collect.Multiset;
+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.onlab.packet.Ethernet;
+import org.onlab.packet.IpAddress;
+import org.onlab.packet.IpPrefix;
+import org.onosproject.core.ApplicationId;
+import org.onosproject.core.CoreService;
+import org.onosproject.net.config.NetworkConfigService;
+import org.onosproject.incubator.net.intf.Interface;
+import org.onosproject.incubator.net.intf.InterfaceService;
+import org.onosproject.net.DeviceId;
+import org.onosproject.net.device.DeviceEvent;
+import org.onosproject.net.device.DeviceListener;
+import org.onosproject.net.device.DeviceService;
+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.flow.criteria.Criteria;
+import org.onosproject.net.flowobjective.DefaultFilteringObjective;
+import org.onosproject.net.flowobjective.DefaultForwardingObjective;
+import org.onosproject.net.flowobjective.DefaultNextObjective;
+import org.onosproject.net.flowobjective.FilteringObjective;
+import org.onosproject.net.flowobjective.FlowObjectiveService;
+import org.onosproject.net.flowobjective.ForwardingObjective;
+import org.onosproject.net.flowobjective.NextObjective;
+import org.onosproject.net.flowobjective.Objective;
+import org.onosproject.net.flowobjective.ObjectiveContext;
+import org.onosproject.net.flowobjective.ObjectiveError;
+import org.onosproject.net.packet.PacketService;
+import org.onosproject.routing.FibEntry;
+import org.onosproject.routing.FibListener;
+import org.onosproject.routing.FibUpdate;
+import org.onosproject.routing.RoutingService;
+import org.onosproject.routing.config.BgpConfig;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.Collection;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Optional;
+import java.util.Set;
+
+/* For test only - will be removed before Cardinal release
+import org.onlab.packet.Ip4Address;
+import org.onlab.packet.Ip4Prefix;
+import org.onlab.packet.MacAddress;
+import java.util.Collections;
+import static org.onlab.util.Tools.delay;
+*/
+
+/**
+ * BgpRouter component.
+ */
+@Component(immediate = true)
+public class BgpRouter {
+
+ private static final Logger log = LoggerFactory.getLogger(BgpRouter.class);
+
+ private static final String BGP_ROUTER_APP = "org.onosproject.bgprouter";
+
+ private static final int PRIORITY_OFFSET = 100;
+ private static final int PRIORITY_MULTIPLIER = 5;
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected CoreService coreService;
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected RoutingService routingService;
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected InterfaceService interfaceService;
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected NetworkConfigService networkConfigService;
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected PacketService packetService;
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected FlowObjectiveService flowObjectiveService;
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected DeviceService deviceService;
+
+ private ApplicationId appId;
+
+ // Reference count for how many times a next hop is used by a route
+ private final Multiset<IpAddress> nextHopsCount = ConcurrentHashMultiset.create();
+
+ // Mapping from prefix to its current next hop
+ private final Map<IpPrefix, IpAddress> prefixToNextHop = Maps.newHashMap();
+
+ // Mapping from next hop IP to next hop object containing group info
+ private final Map<IpAddress, Integer> nextHops = Maps.newHashMap();
+
+ // Stores FIB updates that are waiting for groups to be set up
+ private final Multimap<NextHopGroupKey, FibEntry> pendingUpdates = HashMultimap.create();
+
+ // Device id of data-plane switch - should be learned from config
+ private DeviceId deviceId;
+
+ // Device id of control-plane switch (OVS) connected to BGP Speaker - should be
+ // learned from config
+ private DeviceId ctrlDeviceId;
+
+ // Responsible for handling BGP traffic (encapsulated within OF messages)
+ // between the data-plane switch and the Quagga VM using a control plane OVS.
+ private TunnellingConnectivityManager connectivityManager;
+
+ private DeviceListener deviceListener;
+ private IcmpHandler icmpHandler;
+
+ @Activate
+ protected void activate() {
+ appId = coreService.registerApplication(BGP_ROUTER_APP);
+
+ ApplicationId routerAppId = coreService.getAppId(RoutingService.ROUTER_APP_ID);
+ BgpConfig bgpConfig =
+ networkConfigService.getConfig(routerAppId, RoutingService.CONFIG_CLASS);
+
+ if (bgpConfig == null) {
+ log.error("No BgpConfig found");
+ return;
+ }
+
+ getDeviceConfiguration(bgpConfig);
+
+ connectivityManager = new TunnellingConnectivityManager(appId,
+ bgpConfig,
+ interfaceService,
+ packetService,
+ flowObjectiveService);
+
+ icmpHandler = new IcmpHandler(interfaceService, packetService);
+ deviceListener = new InnerDeviceListener();
+ routingService.addFibListener(new InternalFibListener());
+ routingService.start();
+ deviceService.addListener(deviceListener);
+ connectivityManager.start();
+ icmpHandler.start();
+
+ // Initialize devices now if they are already connected
+ if (deviceService.isAvailable(deviceId)) {
+ processIntfFilters(true, interfaceService.getInterfaces());
+ }
+
+ if (deviceService.isAvailable(ctrlDeviceId)) {
+ connectivityManager.notifySwitchAvailable();
+ }
+
+ log.info("BgpRouter started");
+ }
+
+ @Deactivate
+ protected void deactivate() {
+ routingService.stop();
+ connectivityManager.stop();
+ icmpHandler.stop();
+ deviceService.removeListener(deviceListener);
+ //processIntfFilters(false, configService.getInterfaces()); //TODO necessary?
+ log.info("BgpRouter stopped");
+ }
+
+ private void getDeviceConfiguration(BgpConfig bgpConfig) {
+ Optional<BgpConfig.BgpSpeakerConfig> bgpSpeaker =
+ bgpConfig.bgpSpeakers().stream().findAny();
+
+ if (!bgpSpeaker.isPresent()) {
+ log.error("BGP speaker configuration not found");
+ return;
+ }
+
+ ctrlDeviceId = bgpSpeaker.get().connectPoint().deviceId();
+
+ Optional<IpAddress> peerAddress =
+ bgpSpeaker.get().peers().stream().findAny();
+
+ if (!peerAddress.isPresent()) {
+ log.error("BGP speaker must have peers configured");
+ return;
+ }
+
+ Interface intf = interfaceService.getMatchingInterface(peerAddress.get());
+
+ if (intf == null) {
+ log.error("No interface found for peer");
+ return;
+ }
+
+ // Assume all peers are configured on the same device - this is required
+ // by the BGP router
+ deviceId = intf.connectPoint().deviceId();
+
+ log.info("Router dpid: {}", deviceId);
+ log.info("Control Plane OVS dpid: {}", ctrlDeviceId);
+ }
+
+ private void updateFibEntry(Collection<FibUpdate> updates) {
+ Map<FibEntry, Integer> toInstall = new HashMap<>(updates.size());
+
+ for (FibUpdate update : updates) {
+ FibEntry entry = update.entry();
+
+ addNextHop(entry);
+
+ Integer nextId;
+ synchronized (pendingUpdates) {
+ nextId = nextHops.get(entry.nextHopIp());
+ }
+
+ toInstall.put(update.entry(), nextId);
+ }
+
+ installFlows(toInstall);
+ }
+
+ private void installFlows(Map<FibEntry, Integer> entriesToInstall) {
+
+ for (Map.Entry<FibEntry, Integer> entry : entriesToInstall.entrySet()) {
+ FibEntry fibEntry = entry.getKey();
+ Integer nextId = entry.getValue();
+
+ flowObjectiveService.forward(deviceId,
+ generateRibForwardingObj(fibEntry.prefix(), nextId).add());
+ log.trace("Sending forwarding objective {} -> nextId:{}", fibEntry, nextId);
+ }
+
+ }
+
+ private synchronized void deleteFibEntry(Collection<FibUpdate> withdraws) {
+
+ for (FibUpdate update : withdraws) {
+ FibEntry entry = update.entry();
+ //Integer nextId = nextHops.get(entry.nextHopIp());
+
+ /* Group group = deleteNextHop(entry.prefix());
+ if (group == null) {
+ log.warn("Group not found when deleting {}", entry);
+ return;
+ }*/
+
+ flowObjectiveService.forward(deviceId,
+ generateRibForwardingObj(entry.prefix(), null).remove());
+
+ }
+
+ }
+
+ private ForwardingObjective.Builder generateRibForwardingObj(IpPrefix prefix,
+ Integer nextId) {
+ TrafficSelector selector = DefaultTrafficSelector.builder()
+ .matchEthType(Ethernet.TYPE_IPV4)
+ .matchIPDst(prefix)
+ .build();
+
+ int priority = prefix.prefixLength() * PRIORITY_MULTIPLIER + PRIORITY_OFFSET;
+
+ ForwardingObjective.Builder fwdBuilder = DefaultForwardingObjective.builder()
+ .fromApp(appId)
+ .makePermanent()
+ .withSelector(selector)
+ .withPriority(priority)
+ .withFlag(ForwardingObjective.Flag.SPECIFIC);
+
+ if (nextId == null) {
+ // Route withdraws are not specified with next hops. Generating
+ // dummy treatment as there is no equivalent nextId info.
+ fwdBuilder.withTreatment(DefaultTrafficTreatment.builder().build());
+ } else {
+ fwdBuilder.nextStep(nextId);
+ }
+ return fwdBuilder;
+ }
+
+ private synchronized void addNextHop(FibEntry entry) {
+ prefixToNextHop.put(entry.prefix(), entry.nextHopIp());
+ if (nextHopsCount.count(entry.nextHopIp()) == 0) {
+ // There was no next hop in the multiset
+
+ Interface egressIntf = interfaceService.getMatchingInterface(entry.nextHopIp());
+ if (egressIntf == null) {
+ log.warn("no egress interface found for {}", entry);
+ return;
+ }
+
+ NextHopGroupKey groupKey = new NextHopGroupKey(entry.nextHopIp());
+
+ NextHop nextHop = new NextHop(entry.nextHopIp(), entry.nextHopMac(), groupKey);
+
+ TrafficTreatment treatment = DefaultTrafficTreatment.builder()
+ .setEthSrc(egressIntf.mac())
+ .setEthDst(nextHop.mac())
+ .pushVlan()
+ .setVlanId(egressIntf.vlan())
+ .setVlanPcp((byte) 0)
+ .setOutput(egressIntf.connectPoint().port())
+ .build();
+
+ int nextId = flowObjectiveService.allocateNextId();
+
+ NextObjective nextObjective = DefaultNextObjective.builder()
+ .withId(nextId)
+ .addTreatment(treatment)
+ .withType(NextObjective.Type.SIMPLE)
+ .fromApp(appId)
+ .add(); // TODO add callbacks
+
+ flowObjectiveService.next(deviceId, nextObjective);
+
+ nextHops.put(nextHop.ip(), nextId);
+
+ }
+
+ nextHopsCount.add(entry.nextHopIp());
+ }
+
+ /*private synchronized Group deleteNextHop(IpPrefix prefix) {
+ IpAddress nextHopIp = prefixToNextHop.remove(prefix);
+ NextHop nextHop = nextHops.get(nextHopIp);
+ if (nextHop == null) {
+ log.warn("No next hop found when removing prefix {}", prefix);
+ return null;
+ }
+
+ Group group = groupService.getGroup(deviceId,
+ new DefaultGroupKey(appKryo.
+ serialize(nextHop.group())));
+
+ // FIXME disabling group deletes for now until we verify the logic is OK
+ if (nextHopsCount.remove(nextHopIp, 1) <= 1) {
+ // There was one or less next hops, so there are now none
+
+ log.debug("removing group for next hop {}", nextHop);
+
+ nextHops.remove(nextHopIp);
+
+ groupService.removeGroup(deviceId,
+ new DefaultGroupKey(appKryo.build().serialize(nextHop.group())),
+ appId);
+ }
+
+ return group;
+ }*/
+
+ private class InternalFibListener implements FibListener {
+
+ @Override
+ public void update(Collection<FibUpdate> updates,
+ Collection<FibUpdate> withdraws) {
+ BgpRouter.this.deleteFibEntry(withdraws);
+ BgpRouter.this.updateFibEntry(updates);
+ }
+ }
+
+ private void processIntfFilters(boolean install, Set<Interface> intfs) {
+ log.info("Processing {} router interfaces", intfs.size());
+ for (Interface intf : intfs) {
+ if (!intf.connectPoint().deviceId().equals(deviceId)) {
+ // Ignore interfaces if they are not on the router switch
+ continue;
+ }
+
+ FilteringObjective.Builder fob = DefaultFilteringObjective.builder();
+ fob.withKey(Criteria.matchInPort(intf.connectPoint().port()))
+ .addCondition(Criteria.matchEthDst(intf.mac()))
+ .addCondition(Criteria.matchVlanId(intf.vlan()));
+ intf.ipAddresses().stream()
+ .forEach(ipaddr -> fob.addCondition(
+ Criteria.matchIPDst(
+ IpPrefix.valueOf(ipaddr.ipAddress(), 32))));
+ fob.permit().fromApp(appId);
+ flowObjectiveService.filter(
+ deviceId,
+ fob.add(new ObjectiveContext() {
+ @Override
+ public void onSuccess(Objective objective) {
+ log.info("Successfully installed interface based "
+ + "filtering objectives for intf {}", intf);
+ }
+
+ @Override
+ public void onError(Objective objective,
+ ObjectiveError error) {
+ log.error("Failed to install interface filters for intf {}: {}",
+ intf, error);
+ // TODO something more than just logging
+ }
+ }));
+ }
+ }
+
+ // Triggers driver setup when a device is (re)detected.
+ private class InnerDeviceListener implements DeviceListener {
+ @Override
+ public void event(DeviceEvent event) {
+ switch (event.type()) {
+ case DEVICE_ADDED:
+ case DEVICE_AVAILABILITY_CHANGED:
+ if (deviceService.isAvailable(event.subject().id())) {
+ log.info("Device connected {}", event.subject().id());
+ if (event.subject().id().equals(deviceId)) {
+ processIntfFilters(true, interfaceService.getInterfaces());
+
+ /* For test only - will be removed before Cardinal release
+ delay(1000);
+ FibEntry fibEntry = new FibEntry(Ip4Prefix.valueOf("10.1.0.0/16"),
+ Ip4Address.valueOf("192.168.10.1"),
+ MacAddress.valueOf("DE:AD:BE:EF:FE:ED"));
+ FibUpdate fibUpdate = new FibUpdate(FibUpdate.Type.UPDATE, fibEntry);
+ updateFibEntry(Collections.singletonList(fibUpdate));
+ */
+ }
+
+ if (event.subject().id().equals(ctrlDeviceId)) {
+ connectivityManager.notifySwitchAvailable();
+ }
+ }
+ break;
+
+ // TODO other cases
+ case DEVICE_UPDATED:
+ break;
+ case DEVICE_REMOVED:
+ break;
+ case DEVICE_SUSPENDED:
+ break;
+ case PORT_ADDED:
+ break;
+ case PORT_UPDATED:
+ break;
+ case PORT_REMOVED:
+ break;
+ default:
+ break;
+ }
+ }
+ }
+}
diff --git a/framework/src/onos/apps/bgprouter/src/main/java/org/onosproject/bgprouter/IcmpHandler.java b/framework/src/onos/apps/bgprouter/src/main/java/org/onosproject/bgprouter/IcmpHandler.java
new file mode 100644
index 00000000..88265350
--- /dev/null
+++ b/framework/src/onos/apps/bgprouter/src/main/java/org/onosproject/bgprouter/IcmpHandler.java
@@ -0,0 +1,157 @@
+/*
+ * 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.bgprouter;
+
+import org.onlab.packet.Ethernet;
+import org.onlab.packet.ICMP;
+import org.onlab.packet.IPv4;
+import org.onlab.packet.IpAddress;
+import org.onosproject.incubator.net.intf.Interface;
+import org.onosproject.incubator.net.intf.InterfaceService;
+import org.onosproject.net.ConnectPoint;
+import org.onosproject.net.flow.DefaultTrafficTreatment;
+import org.onosproject.net.flow.TrafficTreatment;
+import org.onosproject.net.host.InterfaceIpAddress;
+import org.onosproject.net.packet.DefaultOutboundPacket;
+import org.onosproject.net.packet.InboundPacket;
+import org.onosproject.net.packet.OutboundPacket;
+import org.onosproject.net.packet.PacketContext;
+import org.onosproject.net.packet.PacketProcessor;
+import org.onosproject.net.packet.PacketService;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.nio.ByteBuffer;
+
+public class IcmpHandler {
+
+ private static final Logger log = LoggerFactory.getLogger(IcmpHandler.class);
+
+ private final PacketService packetService;
+ private final InterfaceService interfaceService;
+
+ private final IcmpProcessor processor = new IcmpProcessor();
+
+
+ public IcmpHandler(InterfaceService interfaceService,
+ PacketService packetService) {
+ this.interfaceService = interfaceService;
+ this.packetService = packetService;
+ }
+
+ public void start() {
+ packetService.addProcessor(processor, PacketProcessor.director(4));
+ }
+
+ public void stop() {
+ packetService.removeProcessor(processor);
+ }
+
+ private void processPacketIn(InboundPacket pkt) {
+
+ boolean ipMatches = false;
+ Ethernet ethernet = pkt.parsed();
+ IPv4 ipv4 = (IPv4) ethernet.getPayload();
+ ConnectPoint connectPoint = pkt.receivedFrom();
+ IpAddress destIpAddress = IpAddress.valueOf(ipv4.getDestinationAddress());
+ Interface targetInterface = interfaceService.getMatchingInterface(destIpAddress);
+
+ if (targetInterface == null) {
+ log.trace("No matching interface for {}", destIpAddress);
+ return;
+ }
+
+ for (InterfaceIpAddress interfaceIpAddress: targetInterface.ipAddresses()) {
+ if (interfaceIpAddress.ipAddress().equals(destIpAddress)) {
+ ipMatches = true;
+ break;
+ }
+ }
+
+ if (((ICMP) ipv4.getPayload()).getIcmpType() == ICMP.TYPE_ECHO_REQUEST &&
+ ipMatches) {
+ sendICMPResponse(ethernet, connectPoint);
+ }
+ }
+
+ private void sendICMPResponse(Ethernet icmpRequest, ConnectPoint outport) {
+
+ Ethernet icmpReplyEth = new Ethernet();
+
+ IPv4 icmpRequestIpv4 = (IPv4) icmpRequest.getPayload();
+ IPv4 icmpReplyIpv4 = new IPv4();
+
+ int destAddress = icmpRequestIpv4.getDestinationAddress();
+ icmpReplyIpv4.setDestinationAddress(icmpRequestIpv4.getSourceAddress());
+ icmpReplyIpv4.setSourceAddress(destAddress);
+ icmpReplyIpv4.setTtl((byte) 64);
+ icmpReplyIpv4.setChecksum((short) 0);
+
+ ICMP icmpReply = new ICMP();
+ icmpReply.setIcmpType(ICMP.TYPE_ECHO_REPLY);
+ icmpReply.setIcmpCode(ICMP.SUBTYPE_ECHO_REPLY);
+ icmpReply.setChecksum((short) 0);
+
+ icmpReplyIpv4.setPayload(icmpReply);
+
+ icmpReplyEth.setPayload(icmpReplyIpv4);
+ icmpReplyEth.setEtherType(Ethernet.TYPE_IPV4);
+ icmpReplyEth.setDestinationMACAddress(icmpRequest.getSourceMACAddress());
+ icmpReplyEth.setSourceMACAddress(icmpRequest.getDestinationMACAddress());
+ icmpReplyEth.setVlanID(icmpRequest.getVlanID());
+
+ sendPacketOut(outport, icmpReplyEth);
+
+ }
+
+ private void sendPacketOut(ConnectPoint outport, Ethernet payload) {
+ TrafficTreatment treatment = DefaultTrafficTreatment.builder().
+ setOutput(outport.port()).build();
+ OutboundPacket packet = new DefaultOutboundPacket(outport.deviceId(),
+ treatment, ByteBuffer.wrap(payload.serialize()));
+ packetService.emit(packet);
+ }
+
+ /**
+ * Packet processor responsible receiving and filtering ICMP packets.
+ */
+ private class IcmpProcessor implements PacketProcessor {
+
+ @Override
+ public void process(PacketContext context) {
+ // Stop processing if the packet has been handled, since we
+ // can't do any more to it.
+
+ if (context.isHandled()) {
+ return;
+ }
+
+ Ethernet packet = context.inPacket().parsed();
+
+ if (packet == null) {
+ return;
+ }
+
+ if (packet.getEtherType() == Ethernet.TYPE_IPV4) {
+ IPv4 ipv4Packet = (IPv4) packet.getPayload();
+ if (ipv4Packet.getProtocol() == IPv4.PROTOCOL_ICMP) {
+ processPacketIn(context.inPacket());
+ }
+ }
+ }
+ }
+
+}
diff --git a/framework/src/onos/apps/bgprouter/src/main/java/org/onosproject/bgprouter/NextHop.java b/framework/src/onos/apps/bgprouter/src/main/java/org/onosproject/bgprouter/NextHop.java
new file mode 100644
index 00000000..88ce1a3a
--- /dev/null
+++ b/framework/src/onos/apps/bgprouter/src/main/java/org/onosproject/bgprouter/NextHop.java
@@ -0,0 +1,100 @@
+/*
+ * 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.bgprouter;
+
+import java.util.Objects;
+
+import org.onlab.packet.IpAddress;
+import org.onlab.packet.MacAddress;
+
+import com.google.common.base.MoreObjects;
+
+/**
+ * Represents a next hop for routing, whose MAC address has already been resolved.
+ */
+public class NextHop {
+
+ private final IpAddress ip;
+ private final MacAddress mac;
+ private final NextHopGroupKey group;
+
+ /**
+ * Creates a new next hop.
+ *
+ * @param ip next hop's IP address
+ * @param mac next hop's MAC address
+ * @param group next hop's group
+ */
+ public NextHop(IpAddress ip, MacAddress mac, NextHopGroupKey group) {
+ this.ip = ip;
+ this.mac = mac;
+ this.group = group;
+ }
+
+ /**
+ * Returns the next hop's IP address.
+ *
+ * @return next hop's IP address
+ */
+ public IpAddress ip() {
+ return ip;
+ }
+
+ /**
+ * Returns the next hop's MAC address.
+ *
+ * @return next hop's MAC address
+ */
+ public MacAddress mac() {
+ return mac;
+ }
+
+ /**
+ * Returns the next hop group.
+ *
+ * @return group
+ */
+ public NextHopGroupKey group() {
+ return group;
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if (!(o instanceof NextHop)) {
+ return false;
+ }
+
+ NextHop that = (NextHop) o;
+
+ return Objects.equals(this.ip, that.ip) &&
+ Objects.equals(this.mac, that.mac) &&
+ Objects.equals(this.group, that.group);
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(ip, mac, group);
+ }
+
+ @Override
+ public String toString() {
+ return MoreObjects.toStringHelper(getClass())
+ .add("ip", ip)
+ .add("mac", mac)
+ .add("group", group)
+ .toString();
+ }
+}
diff --git a/framework/src/onos/apps/bgprouter/src/main/java/org/onosproject/bgprouter/NextHopGroupKey.java b/framework/src/onos/apps/bgprouter/src/main/java/org/onosproject/bgprouter/NextHopGroupKey.java
new file mode 100644
index 00000000..82a45a08
--- /dev/null
+++ b/framework/src/onos/apps/bgprouter/src/main/java/org/onosproject/bgprouter/NextHopGroupKey.java
@@ -0,0 +1,73 @@
+/*
+ * 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.bgprouter;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+import java.util.Objects;
+
+import org.onlab.packet.IpAddress;
+
+import com.google.common.base.MoreObjects;
+
+/**
+ * Identifier for a next hop group.
+ */
+public class NextHopGroupKey {
+
+ private final IpAddress address;
+
+ /**
+ * Creates a new next hop group key.
+ *
+ * @param address next hop's IP address
+ */
+ public NextHopGroupKey(IpAddress address) {
+ this.address = checkNotNull(address);
+ }
+
+ /**
+ * Returns the next hop's IP address.
+ *
+ * @return next hop's IP address
+ */
+ public IpAddress address() {
+ return address;
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if (!(o instanceof NextHopGroupKey)) {
+ return false;
+ }
+
+ NextHopGroupKey that = (NextHopGroupKey) o;
+
+ return Objects.equals(this.address, that.address);
+ }
+
+ @Override
+ public int hashCode() {
+ return Objects.hash(address);
+ }
+
+ @Override
+ public String toString() {
+ return MoreObjects.toStringHelper(getClass())
+ .add("address", address)
+ .toString();
+ }
+}
diff --git a/framework/src/onos/apps/bgprouter/src/main/java/org/onosproject/bgprouter/TunnellingConnectivityManager.java b/framework/src/onos/apps/bgprouter/src/main/java/org/onosproject/bgprouter/TunnellingConnectivityManager.java
new file mode 100644
index 00000000..35af05ec
--- /dev/null
+++ b/framework/src/onos/apps/bgprouter/src/main/java/org/onosproject/bgprouter/TunnellingConnectivityManager.java
@@ -0,0 +1,210 @@
+/*
+ * 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.bgprouter;
+
+import org.onlab.packet.Ethernet;
+import org.onlab.packet.IPv4;
+import org.onlab.packet.IpAddress;
+import org.onlab.packet.TCP;
+import org.onlab.packet.TpPort;
+import org.onosproject.core.ApplicationId;
+import org.onosproject.incubator.net.intf.Interface;
+import org.onosproject.incubator.net.intf.InterfaceService;
+import org.onosproject.net.ConnectPoint;
+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.packet.DefaultOutboundPacket;
+import org.onosproject.net.packet.OutboundPacket;
+import org.onosproject.net.packet.PacketContext;
+import org.onosproject.net.packet.PacketProcessor;
+import org.onosproject.net.packet.PacketService;
+import org.onosproject.routing.config.BgpConfig;
+import org.slf4j.Logger;
+
+import java.util.Optional;
+import java.util.Set;
+
+import static org.slf4j.LoggerFactory.getLogger;
+
+
+/**
+ * Manages connectivity between peers by tunnelling BGP traffic through
+ * OpenFlow packet-ins and packet-outs.
+ */
+public class TunnellingConnectivityManager {
+
+ private static final short BGP_PORT = 179;
+ private final Logger log = getLogger(getClass());
+ private final ApplicationId appId;
+
+ private final BgpConfig.BgpSpeakerConfig bgpSpeaker;
+
+ private final PacketService packetService;
+ private final InterfaceService interfaceService;
+ private final FlowObjectiveService flowObjectiveService;
+
+ private final BgpProcessor processor = new BgpProcessor();
+
+ public TunnellingConnectivityManager(ApplicationId appId,
+ BgpConfig bgpConfig,
+ InterfaceService interfaceService,
+ PacketService packetService,
+ FlowObjectiveService flowObjectiveService) {
+ this.appId = appId;
+ this.interfaceService = interfaceService;
+ this.packetService = packetService;
+ this.flowObjectiveService = flowObjectiveService;
+
+ Optional<BgpConfig.BgpSpeakerConfig> bgpSpeaker =
+ bgpConfig.bgpSpeakers().stream().findAny();
+
+ if (!bgpSpeaker.isPresent()) {
+ throw new IllegalArgumentException("Must have at least one BGP speaker configured");
+ }
+
+ this.bgpSpeaker = bgpSpeaker.get();
+
+ }
+
+ public void start() {
+ packetService.addProcessor(processor, PacketProcessor.director(3));
+ }
+
+ public void stop() {
+ packetService.removeProcessor(processor);
+ // Should revoke packet requests in the future
+ }
+
+ /**
+ * Pushes the flow rules for forwarding BGP TCP packets to controller.
+ * It is called when switches are connected and available.
+ */
+ public void notifySwitchAvailable() {
+ // control plane OVS is available, push default flows
+ TrafficSelector selectorDst = DefaultTrafficSelector.builder()
+ .matchEthType(Ethernet.TYPE_IPV4)
+ .matchIPProtocol(IPv4.PROTOCOL_TCP)
+ .matchTcpDst(TpPort.tpPort(BGP_PORT))
+ .build();
+
+ TrafficSelector selectorSrc = DefaultTrafficSelector.builder()
+ .matchEthType(Ethernet.TYPE_IPV4)
+ .matchIPProtocol(IPv4.PROTOCOL_TCP)
+ .matchTcpSrc(TpPort.tpPort(BGP_PORT))
+ .build();
+
+ TrafficTreatment treatment = DefaultTrafficTreatment.builder()
+ .punt()
+ .build();
+
+ ForwardingObjective puntSrc = DefaultForwardingObjective.builder()
+ .fromApp(appId)
+ .makePermanent()
+ .withSelector(selectorSrc)
+ .withTreatment(treatment)
+ .withFlag(ForwardingObjective.Flag.VERSATILE)
+ .add();
+ flowObjectiveService.forward(bgpSpeaker.connectPoint().deviceId(),
+ puntSrc);
+
+ ForwardingObjective puntDst = DefaultForwardingObjective.builder()
+ .fromApp(appId)
+ .makePermanent()
+ .withSelector(selectorDst)
+ .withTreatment(treatment)
+ .withFlag(ForwardingObjective.Flag.VERSATILE)
+ .add();
+ flowObjectiveService.forward(bgpSpeaker.connectPoint().deviceId(),
+ puntDst);
+ log.info("Sent punt forwarding objective to {}", bgpSpeaker.connectPoint().deviceId());
+ }
+
+ /**
+ * Forwards a BGP packet to another connect point.
+ *
+ * @param context the packet context of the incoming packet
+ */
+ private void forward(PacketContext context) {
+ ConnectPoint outputPort = null;
+
+ IPv4 ipv4 = (IPv4) context.inPacket().parsed().getPayload();
+ IpAddress dstAddress = IpAddress.valueOf(ipv4.getDestinationAddress());
+
+ if (context.inPacket().receivedFrom().equals(bgpSpeaker.connectPoint())) {
+ if (bgpSpeaker.peers().contains(dstAddress)) {
+ Interface intf = interfaceService.getMatchingInterface(dstAddress);
+ if (intf != null) {
+ outputPort = intf.connectPoint();
+ }
+ }
+ } else {
+ Set<Interface> interfaces =
+ interfaceService.getInterfacesByPort(context.inPacket().receivedFrom());
+
+ if (interfaces.stream()
+ .flatMap(intf -> intf.ipAddresses().stream())
+ .anyMatch(ia -> ia.ipAddress().equals(dstAddress))) {
+ outputPort = bgpSpeaker.connectPoint();
+ }
+ }
+
+ if (outputPort != null) {
+ TrafficTreatment t = DefaultTrafficTreatment.builder()
+ .setOutput(outputPort.port()).build();
+ OutboundPacket o = new DefaultOutboundPacket(
+ outputPort.deviceId(), t, context.inPacket().unparsed());
+ packetService.emit(o);
+ }
+ }
+
+ /**
+ * Packet processor responsible receiving and filtering BGP packets.
+ */
+ private class BgpProcessor implements PacketProcessor {
+
+ @Override
+ public void process(PacketContext context) {
+ // Stop processing if the packet has been handled, since we
+ // can't do any more to it.
+ if (context.isHandled()) {
+ return;
+ }
+
+ Ethernet packet = context.inPacket().parsed();
+
+ if (packet == null) {
+ return;
+ }
+
+ if (packet.getEtherType() == Ethernet.TYPE_IPV4) {
+ IPv4 ipv4Packet = (IPv4) packet.getPayload();
+ if (ipv4Packet.getProtocol() == IPv4.PROTOCOL_TCP) {
+ TCP tcpPacket = (TCP) ipv4Packet.getPayload();
+
+ if (tcpPacket.getDestinationPort() == BGP_PORT ||
+ tcpPacket.getSourcePort() == BGP_PORT) {
+ forward(context);
+ }
+ }
+ }
+ }
+ }
+}
diff --git a/framework/src/onos/apps/bgprouter/src/main/java/org/onosproject/bgprouter/package-info.java b/framework/src/onos/apps/bgprouter/src/main/java/org/onosproject/bgprouter/package-info.java
new file mode 100644
index 00000000..8db09e09
--- /dev/null
+++ b/framework/src/onos/apps/bgprouter/src/main/java/org/onosproject/bgprouter/package-info.java
@@ -0,0 +1,20 @@
+/*
+ * 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.
+ */
+
+/**
+ * BGP routing application components.
+ */
+package org.onosproject.bgprouter; \ No newline at end of file