Send PIM Join/Prune messages based on events from the McastService.
Also change Interface to return a list of addresses rather than a set
to allow applications to rely on the order of configuration
Change-Id: Ie7f62fee507639325ee0a77b8db4088dae34597e
diff --git a/apps/pim/pom.xml b/apps/pim/pom.xml
index 80283e4..9685aee 100644
--- a/apps/pim/pom.xml
+++ b/apps/pim/pom.xml
@@ -47,6 +47,13 @@
<dependency>
<groupId>org.onosproject</groupId>
+ <artifactId>onos-app-routing-api</artifactId>
+ <version>${project.version}</version>
+ </dependency>
+
+
+ <dependency>
+ <groupId>org.onosproject</groupId>
<artifactId>onos-cli</artifactId>
<version>${project.version}</version>
</dependency>
diff --git a/apps/pim/src/main/java/org/onosproject/pim/cli/PimInterfacesListCommand.java b/apps/pim/src/main/java/org/onosproject/pim/cli/PimInterfacesListCommand.java
index c83871e..64dd207 100644
--- a/apps/pim/src/main/java/org/onosproject/pim/cli/PimInterfacesListCommand.java
+++ b/apps/pim/src/main/java/org/onosproject/pim/cli/PimInterfacesListCommand.java
@@ -31,6 +31,7 @@
public class PimInterfacesListCommand extends AbstractShellCommand {
private static final String FORMAT = "interfaceName=%s, holdTime=%s, priority=%s, genId=%s";
+ private static final String ROUTE_FORMAT = " %s";
@Override
protected void execute() {
@@ -38,10 +39,13 @@
Set<PIMInterface> interfaces = interfaceService.getPimInterfaces();
- interfaces.forEach(
- pimIntf -> print(FORMAT, pimIntf.getInterface().name(),
- pimIntf.getHoldtime(), pimIntf.getPriority(),
- pimIntf.getGenerationId()));
+ interfaces.forEach(pimIntf -> {
+ print(FORMAT, pimIntf.getInterface().name(),
+ pimIntf.getHoldtime(), pimIntf.getPriority(),
+ pimIntf.getGenerationId());
+
+ pimIntf.getRoutes().forEach(route -> print(ROUTE_FORMAT, route));
+ });
}
}
diff --git a/apps/pim/src/main/java/org/onosproject/pim/impl/PIMInterface.java b/apps/pim/src/main/java/org/onosproject/pim/impl/PIMInterface.java
index ce28908..1d09e35 100644
--- a/apps/pim/src/main/java/org/onosproject/pim/impl/PIMInterface.java
+++ b/apps/pim/src/main/java/org/onosproject/pim/impl/PIMInterface.java
@@ -22,6 +22,7 @@
import org.onlab.packet.IpPrefix;
import org.onlab.packet.MacAddress;
import org.onlab.packet.PIM;
+import org.onlab.packet.pim.PIMAddrUnicast;
import org.onlab.packet.pim.PIMHello;
import org.onlab.packet.pim.PIMHelloOption;
import org.onlab.packet.pim.PIMJoinPrune;
@@ -30,6 +31,7 @@
import org.onosproject.net.flow.DefaultTrafficTreatment;
import org.onosproject.net.flow.TrafficTreatment;
import org.onosproject.net.host.InterfaceIpAddress;
+import org.onosproject.net.mcast.McastRoute;
import org.onosproject.net.packet.DefaultOutboundPacket;
import org.onosproject.net.packet.PacketService;
import org.slf4j.Logger;
@@ -37,9 +39,11 @@
import java.nio.ByteBuffer;
import java.util.Collection;
import java.util.HashMap;
+import java.util.List;
import java.util.Map;
import java.util.Random;
import java.util.Set;
+import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.TimeUnit;
import java.util.stream.Collectors;
@@ -55,6 +59,9 @@
private final Logger log = getLogger(getClass());
+ private static final int JOIN_PERIOD = 60;
+ private static final double HOLD_TIME_MULTIPLIER = 3.5;
+
private final PacketService packetService;
private Interface onosInterface;
@@ -82,6 +89,8 @@
// A map of all our PIM neighbors keyed on our neighbors IP address
private Map<IpAddress, PIMNeighbor> pimNeighbors = new HashMap<>();
+ private Map<McastRoute, RouteData> routes = new ConcurrentHashMap<>();
+
/**
* Create a PIMInterface from an ONOS Interface.
*
@@ -151,8 +160,8 @@
*
* @return a set of Ip Addresses on this interface
*/
- public Set<InterfaceIpAddress> getIpAddresses() {
- return onosInterface.ipAddresses();
+ public List<InterfaceIpAddress> getIpAddresses() {
+ return onosInterface.ipAddressesList();
}
/**
@@ -161,12 +170,12 @@
* @return the choosen IP address or null if none
*/
public IpAddress getIpAddress() {
- if (onosInterface.ipAddresses().isEmpty()) {
+ if (onosInterface.ipAddressesList().isEmpty()) {
return null;
}
IpAddress ipaddr = null;
- for (InterfaceIpAddress ifipaddr : onosInterface.ipAddresses()) {
+ for (InterfaceIpAddress ifipaddr : onosInterface.ipAddressesList()) {
ipaddr = ifipaddr.ipAddress();
break;
}
@@ -218,6 +227,10 @@
return pimNeighbors.values();
}
+ public Collection<McastRoute> getRoutes() {
+ return routes.keySet();
+ }
+
/**
* Checks whether any of our neighbors have expired, and cleans up their
* state if they have.
@@ -402,6 +415,100 @@
}
+ public void addRoute(McastRoute route, IpAddress nextHop, MacAddress nextHopMac) {
+ RouteData data = new RouteData(nextHop, nextHopMac);
+ routes.put(route, data);
+
+ sendJoinPrune(route, data, true);
+ }
+
+ public void removeRoute(McastRoute route) {
+ RouteData data = routes.remove(route);
+
+ if (data != null) {
+ sendJoinPrune(route, data, false);
+ }
+ }
+
+ public void sendJoins() {
+ routes.entrySet().forEach(entry -> {
+ if (entry.getValue().timestamp + TimeUnit.SECONDS.toMillis(JOIN_PERIOD) >
+ System.currentTimeMillis()) {
+ return;
+ }
+
+ sendJoinPrune(entry.getKey(), entry.getValue(), true);
+ });
+ }
+
+ private void sendJoinPrune(McastRoute route, RouteData data, boolean join) {
+ PIMJoinPrune jp = new PIMJoinPrune();
+
+ jp.addJoinPrune(route.source().toIpPrefix(), route.group().toIpPrefix(), join);
+ jp.setHoldTime(join ? (short) Math.floor(JOIN_PERIOD * HOLD_TIME_MULTIPLIER) : 0);
+ jp.setUpstreamAddr(new PIMAddrUnicast(data.ipAddress.toString()));
+
+ PIM pim = new PIM();
+ pim.setPIMType(PIM.TYPE_JOIN_PRUNE_REQUEST);
+ pim.setPayload(jp);
+
+ IPv4 ipv4 = new IPv4();
+ ipv4.setDestinationAddress(PIM.PIM_ADDRESS.getIp4Address().toInt());
+ ipv4.setSourceAddress(getIpAddress().getIp4Address().toInt());
+ ipv4.setProtocol(IPv4.PROTOCOL_PIM);
+ ipv4.setTtl((byte) 1);
+ ipv4.setDiffServ((byte) 0xc0);
+ ipv4.setPayload(pim);
+
+ Ethernet eth = new Ethernet();
+ eth.setSourceMACAddress(onosInterface.mac());
+ eth.setDestinationMACAddress(MacAddress.valueOf("01:00:5E:00:00:0d"));
+ eth.setEtherType(Ethernet.TYPE_IPV4);
+ eth.setPayload(ipv4);
+
+ TrafficTreatment treatment = DefaultTrafficTreatment.builder()
+ .setOutput(onosInterface.connectPoint().port())
+ .build();
+
+ packetService.emit(new DefaultOutboundPacket(onosInterface.connectPoint().deviceId(),
+ treatment, ByteBuffer.wrap(eth.serialize())));
+
+ data.timestamp = System.currentTimeMillis();
+ }
+
+ /*private void sendPrune(McastRoute route, RouteData data) {
+ PIMJoinPrune jp = new PIMJoinPrune();
+
+ jp.addJoinPrune(route.source().toIpPrefix(), route.group().toIpPrefix(), false);
+ jp.setHoldTime((short) 0);
+ jp.setUpstreamAddr(new PIMAddrUnicast(data.ipAddress.toString()));
+
+ PIM pim = new PIM();
+ pim.setPIMType(PIM.TYPE_JOIN_PRUNE_REQUEST);
+ pim.setPayload(jp);
+
+ IPv4 ipv4 = new IPv4();
+ ipv4.setDestinationAddress(PIM.PIM_ADDRESS.getIp4Address().toInt());
+ ipv4.setSourceAddress(getIpAddress().getIp4Address().toInt());
+ ipv4.setProtocol(IPv4.PROTOCOL_PIM);
+ ipv4.setTtl((byte) 1);
+ ipv4.setDiffServ((byte) 0xc0);
+ ipv4.setPayload(pim);
+
+ Ethernet eth = new Ethernet();
+ eth.setSourceMACAddress(onosInterface.mac());
+ eth.setDestinationMACAddress(MacAddress.valueOf("01:00:5E:00:00:0d"));
+ eth.setEtherType(Ethernet.TYPE_IPV4);
+ eth.setPayload(ipv4);
+
+ TrafficTreatment treatment = DefaultTrafficTreatment.builder()
+ .setOutput(onosInterface.connectPoint().port())
+ .build();
+
+ packetService.emit(new DefaultOutboundPacket(onosInterface.connectPoint().deviceId(),
+ treatment, ByteBuffer.wrap(eth.serialize())));
+ }*/
+
/**
* Returns a builder for a PIM interface.
*
@@ -514,4 +621,16 @@
}
}
+
+ private static class RouteData {
+ public final IpAddress ipAddress;
+ public final MacAddress macAddress;
+ public long timestamp;
+
+ public RouteData(IpAddress ip, MacAddress mac) {
+ this.ipAddress = ip;
+ this.macAddress = mac;
+ timestamp = System.currentTimeMillis();
+ }
+ }
}
diff --git a/apps/pim/src/main/java/org/onosproject/pim/impl/PIMInterfaceManager.java b/apps/pim/src/main/java/org/onosproject/pim/impl/PIMInterfaceManager.java
index 9f56f10..342ef14 100644
--- a/apps/pim/src/main/java/org/onosproject/pim/impl/PIMInterfaceManager.java
+++ b/apps/pim/src/main/java/org/onosproject/pim/impl/PIMInterfaceManager.java
@@ -29,12 +29,22 @@
import org.onosproject.incubator.net.intf.InterfaceListener;
import org.onosproject.incubator.net.intf.InterfaceService;
import org.onosproject.net.ConnectPoint;
+
+import org.onosproject.net.Host;
+
import org.onosproject.net.config.ConfigFactory;
import org.onosproject.net.config.NetworkConfigEvent;
import org.onosproject.net.config.NetworkConfigListener;
import org.onosproject.net.config.NetworkConfigRegistry;
import org.onosproject.net.config.basics.SubjectFactories;
+import org.onosproject.net.host.HostService;
+import org.onosproject.net.mcast.McastEvent;
+import org.onosproject.net.mcast.McastListener;
+import org.onosproject.net.mcast.McastRoute;
+import org.onosproject.net.mcast.MulticastRouteService;
import org.onosproject.net.packet.PacketService;
+import org.onosproject.routing.RouteEntry;
+import org.onosproject.routing.RoutingService;
import org.slf4j.Logger;
import java.util.Map;
@@ -73,6 +83,8 @@
private final int timeoutTaskPeriod = DEFAULT_TASK_PERIOD_MS;
+ private final int joinTaskPeriod = 10000;
+
@Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
protected PacketService packetService;
@@ -82,13 +94,26 @@
@Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
protected InterfaceService interfaceService;
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected HostService hostService;
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected MulticastRouteService multicastRouteService;
+
+ @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
+ protected RoutingService unicastRoutingService;
+
// Store PIM Interfaces in a map key'd by ConnectPoint
private final Map<ConnectPoint, PIMInterface> pimInterfaces = Maps.newConcurrentMap();
+ private final Map<McastRoute, PIMInterface> routes = Maps.newConcurrentMap();
+
private final InternalNetworkConfigListener configListener =
new InternalNetworkConfigListener();
private final InternalInterfaceListener interfaceListener =
new InternalInterfaceListener();
+ private final InternalMulticastListener multicastListener =
+ new InternalMulticastListener();
private final ConfigFactory<ConnectPoint, PimInterfaceConfig> pimConfigFactory
= new ConfigFactory<ConnectPoint, PimInterfaceConfig>(
@@ -115,6 +140,9 @@
networkConfig.addListener(configListener);
interfaceService.addListener(interfaceListener);
+ multicastRouteService.addListener(multicastListener);
+
+ multicastRouteService.getRoutes().forEach(this::addRoute);
// Schedule the periodic hello sender.
scheduledExecutorService.scheduleAtFixedRate(
@@ -128,6 +156,11 @@
() -> pimInterfaces.values().forEach(PIMInterface::checkNeighborTimeouts)),
0, timeoutTaskPeriod, TimeUnit.MILLISECONDS);
+ scheduledExecutorService.scheduleAtFixedRate(
+ SafeRecurringTask.wrap(
+ () -> pimInterfaces.values().forEach(PIMInterface::sendJoins)),
+ 0, joinTaskPeriod, TimeUnit.MILLISECONDS);
+
log.info("Started");
}
@@ -135,6 +168,7 @@
public void deactivate() {
interfaceService.removeListener(interfaceListener);
networkConfig.removeListener(configListener);
+ multicastRouteService.removeListener(multicastListener);
networkConfig.unregisterConfigFactory(pimConfigFactory);
// Shutdown the periodic hello task.
@@ -202,6 +236,65 @@
return builder.build();
}
+ private void addRoute(McastRoute route) {
+ PIMInterface pimInterface = getSourceInterface(route);
+
+ if (pimInterface == null) {
+ return;
+ }
+
+ routes.put(route, pimInterface);
+ }
+
+ private void removeRoute(McastRoute route) {
+ PIMInterface pimInterface = routes.remove(route);
+
+ if (pimInterface == null) {
+ return;
+ }
+
+ pimInterface.removeRoute(route);
+ }
+
+ private PIMInterface getSourceInterface(McastRoute route) {
+ RouteEntry routeEntry = unicastRoutingService.getLongestMatchableRouteEntry(route.source());
+
+ if (routeEntry == null) {
+ log.warn("No route to source {}", route.source());
+ return null;
+ }
+
+ Interface intf = interfaceService.getMatchingInterface(routeEntry.nextHop());
+
+ if (intf == null) {
+ log.warn("No interface with route to next hop {}", routeEntry.nextHop());
+ return null;
+ }
+
+ PIMInterface pimInterface = pimInterfaces.get(intf.connectPoint());
+
+ if (pimInterface == null) {
+ log.warn("PIM is not enabled on interface {}", intf);
+ return null;
+ }
+
+ Set<Host> hosts = hostService.getHostsByIp(routeEntry.nextHop());
+ Host host = null;
+ for (Host h : hosts) {
+ if (h.vlan().equals(intf.vlan())) {
+ host = h;
+ }
+ }
+ if (host == null) {
+ log.warn("Next hop host entry not found: {}", routeEntry.nextHop());
+ return null;
+ }
+
+ pimInterface.addRoute(route, routeEntry.nextHop(), host.mac());
+
+ return pimInterface;
+ }
+
/**
* Listener for network config events.
*/
@@ -261,4 +354,26 @@
}
}
}
+
+ /**
+ * Listener for multicast route events.
+ */
+ private class InternalMulticastListener implements McastListener {
+ @Override
+ public void event(McastEvent event) {
+ switch (event.type()) {
+ case ROUTE_ADDED:
+ addRoute(event.subject().route());
+ break;
+ case ROUTE_REMOVED:
+ removeRoute(event.subject().route());
+ break;
+ case SOURCE_ADDED:
+ case SINK_ADDED:
+ case SINK_REMOVED:
+ default:
+ break;
+ }
+ }
+ }
}
diff --git a/apps/routing/src/test/java/org/onosproject/routing/impl/IntentSynchronizerTest.java b/apps/routing/src/test/java/org/onosproject/routing/impl/IntentSynchronizerTest.java
index 351a099..527faf2 100644
--- a/apps/routing/src/test/java/org/onosproject/routing/impl/IntentSynchronizerTest.java
+++ b/apps/routing/src/test/java/org/onosproject/routing/impl/IntentSynchronizerTest.java
@@ -15,9 +15,9 @@
*/
package org.onosproject.routing.impl;
+import com.google.common.collect.Lists;
import com.google.common.collect.Sets;
import com.google.common.util.concurrent.MoreExecutors;
-
import org.junit.Before;
import org.junit.Test;
import org.onlab.junit.TestUtils;
@@ -57,6 +57,7 @@
import java.util.Collections;
import java.util.HashSet;
+import java.util.List;
import java.util.Set;
import java.util.concurrent.ExecutorService;
@@ -124,7 +125,7 @@
* Sets up InterfaceService.
*/
private void setUpInterfaceService() {
- Set<InterfaceIpAddress> interfaceIpAddresses1 = Sets.newHashSet();
+ List<InterfaceIpAddress> interfaceIpAddresses1 = Lists.newArrayList();
interfaceIpAddresses1.add(new InterfaceIpAddress(
IpAddress.valueOf("192.168.10.101"),
IpPrefix.valueOf("192.168.10.0/24")));
@@ -133,7 +134,7 @@
VlanId.NONE);
interfaces.add(sw1Eth1);
- Set<InterfaceIpAddress> interfaceIpAddresses2 = Sets.newHashSet();
+ List<InterfaceIpAddress> interfaceIpAddresses2 = Lists.newArrayList();
interfaceIpAddresses2.add(
new InterfaceIpAddress(IpAddress.valueOf("192.168.20.101"),
IpPrefix.valueOf("192.168.20.0/24")));
@@ -142,7 +143,7 @@
VlanId.NONE);
interfaces.add(sw2Eth1);
- Set<InterfaceIpAddress> interfaceIpAddresses3 = Sets.newHashSet();
+ List<InterfaceIpAddress> interfaceIpAddresses3 = Lists.newArrayList();
interfaceIpAddresses3.add(
new InterfaceIpAddress(IpAddress.valueOf("192.168.30.101"),
IpPrefix.valueOf("192.168.30.0/24")));
@@ -155,7 +156,7 @@
new InterfaceIpAddress(IpAddress.valueOf("192.168.40.101"),
IpPrefix.valueOf("192.168.40.0/24"));
Interface sw4Eth1 = new Interface(SW4_ETH1,
- Sets.newHashSet(interfaceIpAddress4),
+ Lists.newArrayList(interfaceIpAddress4),
MacAddress.valueOf("00:00:00:00:00:04"),
VlanId.vlanId((short) 1));
diff --git a/apps/sdnip/src/test/java/org/onosproject/sdnip/PeerConnectivityManagerTest.java b/apps/sdnip/src/test/java/org/onosproject/sdnip/PeerConnectivityManagerTest.java
index cfb0c79..48f097e 100644
--- a/apps/sdnip/src/test/java/org/onosproject/sdnip/PeerConnectivityManagerTest.java
+++ b/apps/sdnip/src/test/java/org/onosproject/sdnip/PeerConnectivityManagerTest.java
@@ -173,7 +173,7 @@
new InterfaceIpAddress(IpAddress.valueOf("192.168.10.101"),
IpPrefix.valueOf("192.168.10.0/24"));
Interface intfsw1eth1 = new Interface(s1Eth1,
- Collections.singleton(ia1),
+ Collections.singletonList(ia1),
MacAddress.valueOf("00:00:00:00:00:01"),
VlanId.NONE);
@@ -183,7 +183,7 @@
new InterfaceIpAddress(IpAddress.valueOf("192.168.20.101"),
IpPrefix.valueOf("192.168.20.0/24"));
Interface intfsw2eth1 = new Interface(s2Eth1,
- Collections.singleton(ia2),
+ Collections.singletonList(ia2),
MacAddress.valueOf("00:00:00:00:00:02"),
VlanId.NONE);
configuredInterfaces.put(interfaceSw2Eth1, intfsw2eth1);
@@ -193,7 +193,7 @@
new InterfaceIpAddress(IpAddress.valueOf("192.168.30.101"),
IpPrefix.valueOf("192.168.30.0/24"));
Interface intfsw2eth1intf2 = new Interface(s2Eth1,
- Collections.singleton(ia3),
+ Collections.singletonList(ia3),
MacAddress.valueOf("00:00:00:00:00:03"),
VlanId.NONE);
configuredInterfaces.put(interfaceSw2Eth1intf2, intfsw2eth1intf2);
diff --git a/apps/sdnip/src/test/java/org/onosproject/sdnip/SdnIpFibTest.java b/apps/sdnip/src/test/java/org/onosproject/sdnip/SdnIpFibTest.java
index 1c70276..3fe048b 100644
--- a/apps/sdnip/src/test/java/org/onosproject/sdnip/SdnIpFibTest.java
+++ b/apps/sdnip/src/test/java/org/onosproject/sdnip/SdnIpFibTest.java
@@ -16,6 +16,7 @@
package org.onosproject.sdnip;
+import com.google.common.collect.Lists;
import com.google.common.collect.Sets;
import org.junit.Before;
import org.junit.Test;
@@ -53,6 +54,7 @@
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
+import java.util.List;
import java.util.Map;
import java.util.Set;
@@ -151,7 +153,7 @@
* Sets up InterfaceService.
*/
private void setUpInterfaceService() {
- Set<InterfaceIpAddress> interfaceIpAddresses1 = Sets.newHashSet();
+ List<InterfaceIpAddress> interfaceIpAddresses1 = Lists.newArrayList();
interfaceIpAddresses1.add(new InterfaceIpAddress(
IpAddress.valueOf("192.168.10.101"),
IpPrefix.valueOf("192.168.10.0/24")));
@@ -160,7 +162,7 @@
VlanId.NONE);
interfaces.add(sw1Eth1);
- Set<InterfaceIpAddress> interfaceIpAddresses2 = Sets.newHashSet();
+ List<InterfaceIpAddress> interfaceIpAddresses2 = Lists.newArrayList();
interfaceIpAddresses2.add(
new InterfaceIpAddress(IpAddress.valueOf("192.168.20.101"),
IpPrefix.valueOf("192.168.20.0/24")));
@@ -169,7 +171,7 @@
VlanId.NONE);
interfaces.add(sw2Eth1);
- Set<InterfaceIpAddress> interfaceIpAddresses3 = Sets.newHashSet();
+ List<InterfaceIpAddress> interfaceIpAddresses3 = Lists.newArrayList();
interfaceIpAddresses3.add(
new InterfaceIpAddress(IpAddress.valueOf("192.168.30.101"),
IpPrefix.valueOf("192.168.30.0/24")));
@@ -182,7 +184,7 @@
new InterfaceIpAddress(IpAddress.valueOf("192.168.40.101"),
IpPrefix.valueOf("192.168.40.0/24"));
Interface sw4Eth1 = new Interface(SW4_ETH1,
- Sets.newHashSet(interfaceIpAddress4),
+ Lists.newArrayList(interfaceIpAddress4),
MacAddress.valueOf("00:00:00:00:00:04"),
VlanId.vlanId((short) 1));
diff --git a/apps/segmentrouting/src/main/java/org/onosproject/segmentrouting/config/DeviceConfiguration.java b/apps/segmentrouting/src/main/java/org/onosproject/segmentrouting/config/DeviceConfiguration.java
index f222bb3..bf8c4d7 100644
--- a/apps/segmentrouting/src/main/java/org/onosproject/segmentrouting/config/DeviceConfiguration.java
+++ b/apps/segmentrouting/src/main/java/org/onosproject/segmentrouting/config/DeviceConfiguration.java
@@ -137,7 +137,7 @@
// skip if there is no corresponding device for this ConenctPoint
if (info != null) {
// Extract subnet information
- Set<InterfaceIpAddress> interfaceAddresses = networkInterface.ipAddresses();
+ List<InterfaceIpAddress> interfaceAddresses = networkInterface.ipAddressesList();
interfaceAddresses.forEach(interfaceAddress -> {
// Do not add /0 and /32 to gateway IP list
int prefixLength = interfaceAddress.subnetAddress().prefixLength();
@@ -495,4 +495,4 @@
public Set<ConnectPoint> excludedPorts() {
return excludedPorts;
}
-}
\ No newline at end of file
+}