Send GARP packet in case floating ip is associated and gateway node is updated.

Change-Id: I9aa4172bebdc25de5998b3b3123639bce7d865a0
This commit is contained in:
Daniel Park 2018-10-17 12:41:52 +09:00 committed by Jian Li
parent 14e87bf5e8
commit 4fa1f5e157
6 changed files with 255 additions and 58 deletions

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@ -63,6 +63,14 @@ public interface InstancePortService
*/
InstancePort instancePort(DeviceId deviceId, PortNumber portNumber);
/**
* Returns instance ports with the given device identifier.
*
* @param deviceId device identifier
* @return set of instance ports; empty list if no port exists
*/
Set<InstancePort> instancePort(DeviceId deviceId);
/**
* Returns all instance ports.
*

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@ -225,6 +225,15 @@ public class InstancePortManager
.findFirst().orElse(null);
}
@Override
public Set<InstancePort> instancePort(DeviceId deviceId) {
Set<InstancePort> ports = instancePortStore.instancePorts().stream()
.filter(port -> port.deviceId().equals(deviceId))
.collect(Collectors.toSet());
return ImmutableSet.copyOf(ports);
}
@Override
public Set<InstancePort> instancePorts() {
Set<InstancePort> ports = instancePortStore.instancePorts();

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@ -51,6 +51,7 @@ import org.onosproject.net.packet.PacketContext;
import org.onosproject.net.packet.PacketProcessor;
import org.onosproject.net.packet.PacketService;
import org.onosproject.openstacknetworking.api.Constants;
import org.onosproject.openstacknetworking.api.ExternalPeerRouter;
import org.onosproject.openstacknetworking.api.InstancePort;
import org.onosproject.openstacknetworking.api.InstancePortAdminService;
import org.onosproject.openstacknetworking.api.InstancePortEvent;
@ -60,10 +61,11 @@ import org.onosproject.openstacknetworking.api.OpenstackNetworkAdminService;
import org.onosproject.openstacknetworking.api.OpenstackNetworkEvent;
import org.onosproject.openstacknetworking.api.OpenstackNetworkListener;
import org.onosproject.openstacknetworking.api.OpenstackNetworkService;
import org.onosproject.openstacknetworking.api.OpenstackRouterAdminService;
import org.onosproject.openstacknetworking.api.OpenstackRouterEvent;
import org.onosproject.openstacknetworking.api.OpenstackRouterListener;
import org.onosproject.openstacknetworking.api.OpenstackRouterService;
import org.onosproject.openstacknetworking.api.PreCommitPortService;
import org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil;
import org.onosproject.openstacknode.api.OpenstackNode;
import org.onosproject.openstacknode.api.OpenstackNodeEvent;
import org.onosproject.openstacknode.api.OpenstackNodeListener;
@ -71,6 +73,7 @@ import org.onosproject.openstacknode.api.OpenstackNodeService;
import org.openstack4j.model.network.ExternalGateway;
import org.openstack4j.model.network.IP;
import org.openstack4j.model.network.NetFloatingIP;
import org.openstack4j.model.network.Network;
import org.openstack4j.model.network.Port;
import org.openstack4j.model.network.Router;
import org.osgi.service.component.ComponentContext;
@ -98,7 +101,9 @@ import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.g
import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.getGwByInstancePort;
import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.getPropertyValue;
import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.isAssociatedWithVM;
import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.processGratuitousArpPacketForFloatingIp;
import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.swapStaleLocation;
import static org.onosproject.openstacknode.api.OpenstackNode.NodeType.COMPUTE;
import static org.onosproject.openstacknode.api.OpenstackNode.NodeType.GATEWAY;
import static org.slf4j.LoggerFactory.getLogger;
@ -124,7 +129,7 @@ public class OpenstackRoutingArpHandler {
protected OpenstackNetworkAdminService osNetworkAdminService;
@Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
protected OpenstackRouterService osRouterService;
protected OpenstackRouterAdminService osRouterAdminService;
@Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
protected OpenstackNodeService osNodeService;
@ -174,7 +179,7 @@ public class OpenstackRoutingArpHandler {
appId = coreService.registerApplication(OPENSTACK_NETWORKING_APP_ID);
configService.registerProperties(getClass());
localNodeId = clusterService.getLocalNode().id();
osRouterService.addListener(osRouterListener);
osRouterAdminService.addListener(osRouterListener);
osNodeService.addListener(osNodeListener);
osNetworkService.addListener(osNetworkListener);
instancePortService.addListener(instPortListener);
@ -187,7 +192,7 @@ public class OpenstackRoutingArpHandler {
protected void deactivate() {
packetService.removeProcessor(packetProcessor);
instancePortService.removeListener(instPortListener);
osRouterService.removeListener(osRouterListener);
osRouterAdminService.removeListener(osRouterListener);
osNodeService.removeListener(osNodeListener);
osNetworkService.removeListener(osNetworkListener);
instancePortService.removeListener(instPortListener);
@ -221,7 +226,7 @@ public class OpenstackRoutingArpHandler {
MacAddress targetMac = null;
NetFloatingIP floatingIP = osRouterService.floatingIps().stream()
NetFloatingIP floatingIP = osRouterAdminService.floatingIps().stream()
.filter(ip -> ip.getFloatingIpAddress().equals(targetIp.toString()))
.findAny().orElse(null);
@ -359,14 +364,14 @@ public class OpenstackRoutingArpHandler {
if (completedGws.contains(gateway)) {
if (completedGws.size() > 1) {
finalGws.remove(gateway);
osRouterService.floatingIps().forEach(fip -> {
osRouterAdminService.floatingIps().forEach(fip -> {
if (fip.getPortId() != null) {
setFloatingIpArpRule(fip, fip.getPortId(), finalGws, false);
finalGws.add(gateway);
}
});
}
osRouterService.floatingIps().forEach(fip -> {
osRouterAdminService.floatingIps().forEach(fip -> {
if (fip.getPortId() != null) {
setFloatingIpArpRule(fip, fip.getPortId(), finalGws, true);
}
@ -377,14 +382,14 @@ public class OpenstackRoutingArpHandler {
} else {
if (!completedGws.contains(gateway)) {
finalGws.add(gateway);
osRouterService.floatingIps().forEach(fip -> {
osRouterAdminService.floatingIps().forEach(fip -> {
if (fip.getPortId() != null) {
setFloatingIpArpRule(fip, fip.getPortId(), finalGws, false);
}
});
finalGws.remove(gateway);
if (completedGws.size() >= 1) {
osRouterService.floatingIps().forEach(fip -> {
osRouterAdminService.floatingIps().forEach(fip -> {
if (fip.getPortId() != null) {
setFloatingIpArpRule(fip, fip.getPortId(), finalGws, true);
}
@ -730,14 +735,14 @@ public class OpenstackRoutingArpHandler {
public void event(InstancePortEvent event) {
InstancePort instPort = event.subject();
Set<NetFloatingIP> ips = osRouterService.floatingIps();
Set<NetFloatingIP> ips = osRouterAdminService.floatingIps();
NetFloatingIP fip = associatedFloatingIp(instPort, ips);
Set<OpenstackNode> gateways = osNodeService.completeNodes(GATEWAY);
switch (event.type()) {
case OPENSTACK_INSTANCE_PORT_DETECTED:
osRouterService.floatingIps().stream()
osRouterAdminService.floatingIps().stream()
.filter(f -> f.getPortId() != null)
.filter(f -> f.getPortId().equals(instPort.portId()))
.forEach(f -> setFloatingIpArpRule(f, instPort.portId(), gateways, true));
@ -803,16 +808,68 @@ public class OpenstackRoutingArpHandler {
case OPENSTACK_NODE_COMPLETE:
setDefaultArpRule(osNode, true);
setFloatingIpArpRuleForGateway(osNode, true);
sendGratuitousArpToSwitch(event.subject(), true);
break;
case OPENSTACK_NODE_INCOMPLETE:
setDefaultArpRule(osNode, false);
setFloatingIpArpRuleForGateway(osNode, false);
sendGratuitousArpToSwitch(event.subject(), false);
break;
case OPENSTACK_NODE_REMOVED:
sendGratuitousArpToSwitch(event.subject(), false);
break;
default:
break;
}
}
private void sendGratuitousArpToSwitch(OpenstackNode gatewayNode, boolean isCompleteCase) {
Set<OpenstackNode> completeGws = ImmutableSet.copyOf(osNodeService.completeNodes(GATEWAY));
if (isCompleteCase) {
osNodeService.completeNodes(COMPUTE)
.stream()
.filter(node -> isGwSelectedByComputeNode(completeGws, node, gatewayNode))
.forEach(node -> processGratuitousArpPacketForComputeNode(node, gatewayNode));
} else {
Set<OpenstackNode> oldCompleteGws = Sets.newConcurrentHashSet();
oldCompleteGws.addAll(ImmutableSet.copyOf(osNodeService.completeNodes(GATEWAY)));
oldCompleteGws.add(gatewayNode);
osNodeService.completeNodes(COMPUTE)
.stream()
.filter(node -> isGwSelectedByComputeNode(oldCompleteGws, node, gatewayNode))
.forEach(node -> {
OpenstackNode newSelectedGatewayNode = getGwByComputeDevId(completeGws, node.intgBridge());
processGratuitousArpPacketForComputeNode(node, newSelectedGatewayNode);
});
}
}
private boolean isGwSelectedByComputeNode(Set<OpenstackNode> gws,
OpenstackNode computeNode,
OpenstackNode gwNode) {
return OpenstackNetworkingUtil
.getGwByComputeDevId(gws, computeNode.intgBridge())
.intgBridge().equals(gwNode.intgBridge());
}
private void processGratuitousArpPacketForComputeNode(OpenstackNode computeNode, OpenstackNode gatewayNode) {
instancePortService.instancePort(computeNode.intgBridge()).forEach(instancePort -> {
NetFloatingIP floatingIP = OpenstackNetworkingUtil.floatingIpByInstancePort(instancePort,
osRouterAdminService);
Network network = osNetworkService.network(instancePort.networkId());
ExternalPeerRouter externalPeerRouter = OpenstackNetworkingUtil.externalPeerRouterForNetwork(network,
osNetworkService, osRouterAdminService);
if (floatingIP != null && externalPeerRouter != null) {
processGratuitousArpPacketForFloatingIp(
floatingIP, instancePort, externalPeerRouter.vlanId(), gatewayNode, packetService);
}
});
}
private void setDefaultArpRule(OpenstackNode osNode, boolean install) {
switch (getArpMode()) {
case ARP_PROXY_MODE:
@ -871,7 +928,7 @@ public class OpenstackRoutingArpHandler {
install
);
osRouterService.routers().stream()
osRouterAdminService.routers().stream()
.filter(router -> router.getExternalGatewayInfo() != null)
.forEach(router -> setFakeGatewayArpRuleByRouter(router, install));
}

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@ -38,6 +38,7 @@ 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.packet.PacketService;
import org.onosproject.openstacknetworking.api.Constants;
import org.onosproject.openstacknetworking.api.ExternalPeerRouter;
import org.onosproject.openstacknetworking.api.InstancePort;
@ -56,14 +57,10 @@ import org.onosproject.openstacknode.api.OpenstackNode;
import org.onosproject.openstacknode.api.OpenstackNodeEvent;
import org.onosproject.openstacknode.api.OpenstackNodeListener;
import org.onosproject.openstacknode.api.OpenstackNodeService;
import org.openstack4j.model.network.ExternalGateway;
import org.openstack4j.model.network.NetFloatingIP;
import org.openstack4j.model.network.Network;
import org.openstack4j.model.network.NetworkType;
import org.openstack4j.model.network.Port;
import org.openstack4j.model.network.Router;
import org.openstack4j.model.network.RouterInterface;
import org.openstack4j.model.network.Subnet;
import org.openstack4j.openstack.networking.domain.NeutronFloatingIP;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@ -84,8 +81,11 @@ import static org.onosproject.openstacknetworking.api.InstancePortEvent.Type.OPE
import static org.onosproject.openstacknetworking.api.InstancePortEvent.Type.OPENSTACK_INSTANCE_MIGRATION_STARTED;
import static org.onosproject.openstacknetworking.api.OpenstackNetworkEvent.Type.OPENSTACK_PORT_PRE_REMOVE;
import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.associatedFloatingIp;
import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.externalPeerRouterForNetwork;
import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.getGwByComputeDevId;
import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.getGwByInstancePort;
import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.isAssociatedWithVM;
import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.processGratuitousArpPacketForFloatingIp;
import static org.onosproject.openstacknetworking.util.OpenstackNetworkingUtil.swapStaleLocation;
import static org.onosproject.openstacknetworking.util.RulePopulatorUtil.buildExtension;
import static org.onosproject.openstacknode.api.OpenstackNode.NodeType.GATEWAY;
@ -131,6 +131,9 @@ public class OpenstackRoutingFloatingIpHandler {
@Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
protected PreCommitPortService preCommitPortService;
@Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
protected PacketService packetService;
private final ExecutorService eventExecutor = newSingleThreadExecutor(
groupedThreads(this.getClass().getSimpleName(), "event-handler", log));
private final OpenstackRouterListener floatingIpListener = new InternalFloatingIpListener();
@ -180,15 +183,8 @@ public class OpenstackRoutingFloatingIpHandler {
Network osNet = osNetworkService.network(instPort.networkId());
if (osNet == null) {
final String errorFormat = ERR_FLOW + "no network(%s) exists";
final String error = String.format(errorFormat,
floatingIp.getFloatingIpAddress(),
instPort.networkId());
throw new IllegalStateException(error);
}
ExternalPeerRouter externalPeerRouter = externalPeerRouter(osNet);
ExternalPeerRouter externalPeerRouter = externalPeerRouterForNetwork(osNet,
osNetworkService, osRouterAdminService);
if (externalPeerRouter == null) {
final String errorFormat = ERR_FLOW + "no external peer router found";
throw new IllegalStateException(errorFormat);
@ -491,36 +487,6 @@ public class OpenstackRoutingFloatingIpHandler {
log.trace("Succeeded to set flow rules for upstream on gateway nodes");
}
private ExternalPeerRouter externalPeerRouter(Network network) {
if (network == null) {
return null;
}
Subnet subnet = osNetworkService.subnets(network.getId()).stream().findAny().orElse(null);
if (subnet == null) {
return null;
}
RouterInterface osRouterIface = osRouterAdminService.routerInterfaces().stream()
.filter(i -> Objects.equals(i.getSubnetId(), subnet.getId()))
.findAny().orElse(null);
if (osRouterIface == null) {
return null;
}
Router osRouter = osRouterAdminService.router(osRouterIface.getId());
if (osRouter == null) {
return null;
}
if (osRouter.getExternalGatewayInfo() == null) {
return null;
}
ExternalGateway exGatewayInfo = osRouter.getExternalGatewayInfo();
return osNetworkService.externalPeerRouter(exGatewayInfo);
}
private void associateFloatingIp(NetFloatingIP osFip) {
InstancePort instPort = instancePortService.instancePort(osFip.getPortId());
@ -533,9 +499,31 @@ public class OpenstackRoutingFloatingIpHandler {
// set floating IP rules only if the port is associated to a VM
if (!Strings.isNullOrEmpty(instPort.deviceId().toString())) {
setFloatingIpRules(osFip, instPort, null, true);
processGratuitousArpPacket(osFip, instPort);
}
}
private void processGratuitousArpPacket(NetFloatingIP floatingIP,
InstancePort instancePort) {
Set<OpenstackNode> gws = ImmutableSet.copyOf(osNodeService.completeNodes(GATEWAY));
Network osNet = osNetworkService.network(instancePort.networkId());
OpenstackNode selectedGw = getGwByInstancePort(gws, instancePort);
ExternalPeerRouter externalPeerRouter =
externalPeerRouterForNetwork(osNet, osNetworkService, osRouterAdminService);
if (externalPeerRouter == null) {
log.error("Failed to process GARP packet for floating ip {} because no external peer router found");
return;
}
processGratuitousArpPacketForFloatingIp(floatingIP, instancePort, externalPeerRouter.vlanId(),
selectedGw, packetService);
}
private void disassociateFloatingIp(NetFloatingIP osFip, String portId) {
InstancePort instPort = instancePortService.instancePort(portId);
@ -701,7 +689,8 @@ public class OpenstackRoutingFloatingIpHandler {
throw new IllegalStateException(error);
}
ExternalPeerRouter externalPeerRouter = externalPeerRouter(osNet);
ExternalPeerRouter externalPeerRouter = externalPeerRouterForNetwork(osNet,
osNetworkService, osRouterAdminService);
if (externalPeerRouter == null) {
final String errorFormat = ERR_FLOW + "no external peer router found";
throw new IllegalStateException(errorFormat);
@ -776,7 +765,7 @@ public class OpenstackRoutingFloatingIpHandler {
osPort = osNetworkService.port(fip.getPortId());
osNet = osNetworkService.network(osPort.getNetworkId());
externalPeerRouter = externalPeerRouter(osNet);
externalPeerRouter = externalPeerRouterForNetwork(osNet, osNetworkService, osRouterAdminService);
if (externalPeerRouter == null) {
final String errorFormat = ERR_FLOW + "no external peer router found";
@ -809,7 +798,7 @@ public class OpenstackRoutingFloatingIpHandler {
osPort = osNetworkService.port(fip.getPortId());
osNet = osNetworkService.network(osPort.getNetworkId());
externalPeerRouter = externalPeerRouter(osNet);
externalPeerRouter = externalPeerRouterForNetwork(osNet, osNetworkService, osRouterAdminService);
if (externalPeerRouter == null) {
final String errorFormat = ERR_FLOW + "no external peer router found";

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@ -42,11 +42,21 @@ import org.apache.sshd.client.channel.ClientChannelEvent;
import org.apache.sshd.client.future.OpenFuture;
import org.apache.sshd.client.session.ClientSession;
import org.apache.sshd.common.util.io.NoCloseInputStream;
import org.onlab.packet.ARP;
import org.onlab.packet.Ethernet;
import org.onlab.packet.Ip4Address;
import org.onlab.packet.IpAddress;
import org.onlab.packet.MacAddress;
import org.onlab.packet.VlanId;
import org.onosproject.cfg.ConfigProperty;
import org.onosproject.net.DeviceId;
import org.onosproject.net.device.DeviceService;
import org.onosproject.net.flow.DefaultTrafficTreatment;
import org.onosproject.net.flow.TrafficTreatment;
import org.onosproject.net.packet.DefaultOutboundPacket;
import org.onosproject.net.packet.PacketService;
import org.onosproject.openstacknetworking.api.Constants.VnicType;
import org.onosproject.openstacknetworking.api.ExternalPeerRouter;
import org.onosproject.openstacknetworking.api.InstancePort;
import org.onosproject.openstacknetworking.api.OpenstackNetworkService;
import org.onosproject.openstacknetworking.api.OpenstackRouterAdminService;
@ -63,10 +73,13 @@ import org.openstack4j.core.transport.Config;
import org.openstack4j.core.transport.ObjectMapperSingleton;
import org.openstack4j.model.ModelEntity;
import org.openstack4j.model.common.Identifier;
import org.openstack4j.model.network.ExternalGateway;
import org.openstack4j.model.network.NetFloatingIP;
import org.openstack4j.model.network.Network;
import org.openstack4j.model.network.Port;
import org.openstack4j.model.network.Router;
import org.openstack4j.model.network.RouterInterface;
import org.openstack4j.model.network.Subnet;
import org.openstack4j.openstack.OSFactory;
import org.openstack4j.openstack.networking.domain.NeutronRouterInterface;
import org.slf4j.Logger;
@ -84,6 +97,7 @@ import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.ByteBuffer;
import java.security.cert.X509Certificate;
import java.util.Collection;
import java.util.HashMap;
@ -846,10 +860,125 @@ public final class OpenstackNetworkingUtil {
return traceResult;
}
/**
* Returns the floating ip with supplied instance port.
*
* @param instancePort instance port
* @param osRouterAdminService openstack router admin service
* @return floating ip
*/
public static NetFloatingIP floatingIpByInstancePort(InstancePort instancePort,
OpenstackRouterAdminService osRouterAdminService) {
return osRouterAdminService.floatingIps().stream()
.filter(netFloatingIP -> netFloatingIP.getPortId() != null)
.filter(netFloatingIP -> netFloatingIP.getPortId().equals(instancePort.portId()))
.findAny().orElse(null);
}
/**
* Sends GARP packet with supplied floating ip information.
*
* @param floatingIP floating ip
* @param instancePort instance port
* @param vlanId vlain id
* @param gatewayNode gateway node
* @param packetService packet service
*/
public static void processGratuitousArpPacketForFloatingIp(NetFloatingIP floatingIP,
InstancePort instancePort,
VlanId vlanId,
OpenstackNode gatewayNode,
PacketService packetService) {
Ethernet ethernet = buildGratuitousArpPacket(floatingIP, instancePort, vlanId);
TrafficTreatment treatment = DefaultTrafficTreatment.builder()
.setOutput(gatewayNode.uplinkPortNum()).build();
packetService.emit(new DefaultOutboundPacket(gatewayNode.intgBridge(), treatment,
ByteBuffer.wrap(ethernet.serialize())));
}
/**
* Returns the external peer router with supplied network information.
*
* @param network network
* @param osNetworkService openstack network service
* @param osRouterAdminService openstack router admin service
* @return external peer router
*/
public static ExternalPeerRouter externalPeerRouterForNetwork(Network network,
OpenstackNetworkService osNetworkService,
OpenstackRouterAdminService osRouterAdminService) {
if (network == null) {
return null;
}
Subnet subnet = osNetworkService.subnets(network.getId()).stream().findAny().orElse(null);
if (subnet == null) {
return null;
}
RouterInterface osRouterIface = osRouterAdminService.routerInterfaces().stream()
.filter(i -> Objects.equals(i.getSubnetId(), subnet.getId()))
.findAny().orElse(null);
if (osRouterIface == null) {
return null;
}
Router osRouter = osRouterAdminService.router(osRouterIface.getId());
if (osRouter == null) {
return null;
}
if (osRouter.getExternalGatewayInfo() == null) {
return null;
}
ExternalGateway exGatewayInfo = osRouter.getExternalGatewayInfo();
return osNetworkService.externalPeerRouter(exGatewayInfo);
}
private static boolean isDirectPort(String portName) {
return portNamePrefixMap().values().stream().anyMatch(p -> portName.startsWith(p));
}
/**
* Returns GARP packet with supplied floating ip and instance port information.
*
* @param floatingIP floating ip
* @param instancePort instance port
* @param vlanId vlan id
* @return GARP packet
*/
private static Ethernet buildGratuitousArpPacket(NetFloatingIP floatingIP,
InstancePort instancePort,
VlanId vlanId) {
Ethernet ethernet = new Ethernet();
ethernet.setDestinationMACAddress(MacAddress.BROADCAST);
ethernet.setSourceMACAddress(instancePort.macAddress());
ethernet.setEtherType(Ethernet.TYPE_ARP);
ethernet.setVlanID(vlanId.id());
ARP arp = new ARP();
arp.setOpCode(ARP.OP_REPLY);
arp.setProtocolType(ARP.PROTO_TYPE_IP);
arp.setHardwareType(ARP.HW_TYPE_ETHERNET);
arp.setProtocolAddressLength((byte) Ip4Address.BYTE_LENGTH);
arp.setHardwareAddressLength((byte) Ethernet.DATALAYER_ADDRESS_LENGTH);
arp.setSenderHardwareAddress(instancePort.macAddress().toBytes());
arp.setTargetHardwareAddress(MacAddress.BROADCAST.toBytes());
arp.setSenderProtocolAddress(Ip4Address.valueOf(floatingIP.getFloatingIpAddress()).toInt());
arp.setTargetProtocolAddress(Ip4Address.valueOf(floatingIP.getFloatingIpAddress()).toInt());
ethernet.setPayload(arp);
return ethernet;
}
/**
* Builds up and a complete endpoint URL from gateway node.
*

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@ -50,6 +50,11 @@ public class InstancePortServiceAdapter implements InstancePortService {
return null;
}
@Override
public Set<InstancePort> instancePort(DeviceId deviceId) {
return ImmutableSet.of();
}
@Override
public Set<InstancePort> instancePorts() {
return ImmutableSet.of();