Merge in changes from master
diff --git a/src/main/java/net/onrc/onos/datagrid/HazelcastDatagrid.java b/src/main/java/net/onrc/onos/datagrid/HazelcastDatagrid.java
index 33091b9..7677ee8 100644
--- a/src/main/java/net/onrc/onos/datagrid/HazelcastDatagrid.java
+++ b/src/main/java/net/onrc/onos/datagrid/HazelcastDatagrid.java
@@ -18,8 +18,10 @@
import net.floodlightcontroller.restserver.IRestApiService;
import net.onrc.onos.datagrid.web.DatagridWebRoutable;
import net.onrc.onos.ofcontroller.flowmanager.IFlowEventHandlerService;
-import net.onrc.onos.ofcontroller.proxyarp.ArpMessage;
-import net.onrc.onos.ofcontroller.proxyarp.IArpEventHandler;
+import net.onrc.onos.ofcontroller.proxyarp.ArpReplyNotification;
+import net.onrc.onos.ofcontroller.proxyarp.IArpReplyEventHandler;
+import net.onrc.onos.ofcontroller.proxyarp.IPacketOutEventHandler;
+import net.onrc.onos.ofcontroller.proxyarp.PacketOutNotification;
import net.onrc.onos.ofcontroller.topology.TopologyElement;
import net.onrc.onos.ofcontroller.util.FlowEntry;
import net.onrc.onos.ofcontroller.util.FlowEntryId;
@@ -78,12 +80,18 @@
private IMap<String, byte[]> mapTopology = null;
private MapTopologyListener mapTopologyListener = null;
private String mapTopologyListenerId = null;
+
+ // State related to the packet out map
+ protected static final String packetOutMapName = "packetOutMap";
+ private IMap<PacketOutNotification, byte[]> packetOutMap = null;
+ private List<IPacketOutEventHandler> packetOutEventHandlers = new ArrayList<IPacketOutEventHandler>();
- // State related to the ARP map
- protected static final String arpMapName = "arpMap";
- private IMap<ArpMessage, byte[]> arpMap = null;
- private List<IArpEventHandler> arpEventHandlers = new ArrayList<IArpEventHandler>();
private final byte[] dummyByte = {0};
+
+ // State related to the ARP reply map
+ protected static final String arpReplyMapName = "arpReplyMap";
+ private IMap<ArpReplyNotification, byte[]> arpReplyMap = null;
+ private List<IArpReplyEventHandler> arpReplyEventHandlers = new ArrayList<IArpReplyEventHandler>();
/**
* Class for receiving notifications for Flow state.
@@ -317,35 +325,22 @@
}
/**
- * Class for receiving notifications for ARP requests.
+ * Class for receiving notifications for sending packet-outs.
*
* The datagrid map is:
- * - Key: Request ID (String)
- * - Value: ARP request packet (byte[])
+ * - Key: Packet-out to send (PacketOutNotification)
+ * - Value: dummy value (we only need the key) (byte[])
*/
- class ArpMapListener implements EntryListener<ArpMessage, byte[]> {
+ class PacketOutMapListener implements EntryListener<PacketOutNotification, byte[]> {
/**
* Receive a notification that an entry is added.
*
* @param event the notification event for the entry.
*/
- @Override
- public void entryAdded(EntryEvent<ArpMessage, byte[]> event) {
- for (IArpEventHandler arpEventHandler : arpEventHandlers) {
- arpEventHandler.arpRequestNotification(event.getKey());
+ public void entryAdded(EntryEvent<PacketOutNotification, byte[]> event) {
+ for (IPacketOutEventHandler packetOutEventHandler : packetOutEventHandlers) {
+ packetOutEventHandler.packetOutNotification(event.getKey());
}
-
- //
- // Decode the value and deliver the notification
- //
- /*
- Kryo kryo = kryoFactory.newKryo();
- Input input = new Input(valueBytes);
- TopologyElement topologyElement =
- kryo.readObject(input, TopologyElement.class);
- kryoFactory.deleteKryo(kryo);
- flowEventHandlerService.notificationRecvTopologyElementAdded(topologyElement);
- */
}
/**
@@ -353,8 +348,7 @@
*
* @param event the notification event for the entry.
*/
- @Override
- public void entryRemoved(EntryEvent<ArpMessage, byte[]> event) {
+ public void entryRemoved(EntryEvent<PacketOutNotification, byte[]> event) {
// Not used
}
@@ -363,8 +357,7 @@
*
* @param event the notification event for the entry.
*/
- @Override
- public void entryUpdated(EntryEvent<ArpMessage, byte[]> event) {
+ public void entryUpdated(EntryEvent<PacketOutNotification, byte[]> event) {
// Not used
}
@@ -373,11 +366,35 @@
*
* @param event the notification event for the entry.
*/
- @Override
- public void entryEvicted(EntryEvent<ArpMessage, byte[]> event) {
+ public void entryEvicted(EntryEvent<PacketOutNotification, byte[]> event) {
// Not used
}
}
+
+ /**
+ * Class for receiving notifications for sending packet-outs.
+ *
+ * The datagrid map is:
+ * - Key: Packet-out to send (PacketOutNotification)
+ * - Value: dummy value (we only need the key) (byte[])
+ */
+ class ArpReplyMapListener implements EntryListener<ArpReplyNotification, byte[]> {
+ /**
+ * Receive a notification that an entry is added.
+ *
+ * @param event the notification event for the entry.
+ */
+ public void entryAdded(EntryEvent<ArpReplyNotification, byte[]> event) {
+ for (IArpReplyEventHandler arpReplyEventHandler : arpReplyEventHandlers) {
+ arpReplyEventHandler.arpReplyEvent(event.getKey());
+ }
+ }
+
+ // These methods aren't used for ARP replies
+ public void entryRemoved(EntryEvent<ArpReplyNotification, byte[]> event) {}
+ public void entryUpdated(EntryEvent<ArpReplyNotification, byte[]> event) {}
+ public void entryEvicted(EntryEvent<ArpReplyNotification, byte[]> event) {}
+ }
/**
* Initialize the Hazelcast Datagrid operation.
@@ -494,9 +511,12 @@
hazelcastInstance = Hazelcast.newHazelcastInstance(hazelcastConfig);
restApi.addRestletRoutable(new DatagridWebRoutable());
-
- arpMap = hazelcastInstance.getMap(arpMapName);
- arpMap.addEntryListener(new ArpMapListener(), true);
+
+ packetOutMap = hazelcastInstance.getMap(packetOutMapName);
+ packetOutMap.addEntryListener(new PacketOutMapListener(), true);
+
+ arpReplyMap = hazelcastInstance.getMap(arpReplyMapName);
+ arpReplyMap.addEntryListener(new ArpReplyMapListener(), true);
}
/**
@@ -557,15 +577,27 @@
}
@Override
- public void registerArpEventHandler(IArpEventHandler arpEventHandler) {
+ public void registerPacketOutEventHandler(IPacketOutEventHandler arpEventHandler) {
if (arpEventHandler != null) {
- arpEventHandlers.add(arpEventHandler);
+ packetOutEventHandlers.add(arpEventHandler);
+ }
+ }
+
+ @Override
+ public void deregisterPacketOutEventHandler(IPacketOutEventHandler arpEventHandler) {
+ packetOutEventHandlers.remove(arpEventHandler);
+ }
+
+ @Override
+ public void registerArpReplyEventHandler(IArpReplyEventHandler arpReplyEventHandler) {
+ if (arpReplyEventHandler != null) {
+ arpReplyEventHandlers.add(arpReplyEventHandler);
}
}
@Override
- public void deregisterArpEventHandler(IArpEventHandler arpEventHandler) {
- arpEventHandlers.remove(arpEventHandler);
+ public void deregisterArpReplyEventHandler(IArpReplyEventHandler arpReplyEventHandler) {
+ arpReplyEventHandlers.remove(arpReplyEventHandler);
}
/**
@@ -902,8 +934,12 @@
}
@Override
- public void sendArpRequest(ArpMessage arpMessage) {
- //log.debug("ARP bytes: {}", HexString.toHexString(arpRequest));
- arpMap.putAsync(arpMessage, dummyByte, 1L, TimeUnit.MILLISECONDS);
+ public void sendPacketOutNotification(PacketOutNotification packetOutNotification) {
+ packetOutMap.putAsync(packetOutNotification, dummyByte, 1L, TimeUnit.MILLISECONDS);
}
+
+ @Override
+ public void sendArpReplyNotification(ArpReplyNotification arpReply) {
+ arpReplyMap.putAsync(arpReply, dummyByte, 1L, TimeUnit.MILLISECONDS);
+ }
}
diff --git a/src/main/java/net/onrc/onos/datagrid/IDatagridService.java b/src/main/java/net/onrc/onos/datagrid/IDatagridService.java
index 0f03d77..90fe57c 100644
--- a/src/main/java/net/onrc/onos/datagrid/IDatagridService.java
+++ b/src/main/java/net/onrc/onos/datagrid/IDatagridService.java
@@ -4,8 +4,10 @@
import net.floodlightcontroller.core.module.IFloodlightService;
import net.onrc.onos.ofcontroller.flowmanager.IFlowEventHandlerService;
-import net.onrc.onos.ofcontroller.proxyarp.ArpMessage;
-import net.onrc.onos.ofcontroller.proxyarp.IArpEventHandler;
+import net.onrc.onos.ofcontroller.proxyarp.ArpReplyNotification;
+import net.onrc.onos.ofcontroller.proxyarp.IArpReplyEventHandler;
+import net.onrc.onos.ofcontroller.proxyarp.IPacketOutEventHandler;
+import net.onrc.onos.ofcontroller.proxyarp.PacketOutNotification;
import net.onrc.onos.ofcontroller.topology.TopologyElement;
import net.onrc.onos.ofcontroller.util.FlowEntry;
import net.onrc.onos.ofcontroller.util.FlowEntryId;
@@ -42,14 +44,18 @@
*
* @param arpEventHandler The ARP event handler to register.
*/
- public void registerArpEventHandler(IArpEventHandler arpEventHandler);
+ public void registerPacketOutEventHandler(IPacketOutEventHandler arpEventHandler);
/**
* De-register event handler service for ARP events.
*
* @param arpEventHandler The ARP event handler to de-register.
*/
- public void deregisterArpEventHandler(IArpEventHandler arpEventHandler);
+ public void deregisterPacketOutEventHandler(IPacketOutEventHandler arpEventHandler);
+
+ public void registerArpReplyEventHandler(IArpReplyEventHandler arpReplyEventHandler);
+
+ public void deregisterArpReplyEventHandler(IArpReplyEventHandler arpReplyEventHandler);
/**
* Get all Flows that are currently in the datagrid.
@@ -167,8 +173,21 @@
void notificationSendAllTopologyElementsRemoved();
/**
- * Send an ARP request to other ONOS instances
- * @param arpRequest The request packet to send
+ * Send a packet-out notification to other ONOS instances. This informs
+ * other instances that they should send this packet out some of the ports
+ * they control. Not all notifications are applicable to all instances
+ * (i.e. some notifications specify a single port to send the packet out),
+ * so each instance must determine whether it needs to take action when it
+ * receives the notification.
+ *
+ * @param packetOutNotification The packet notification to send
*/
- public void sendArpRequest(ArpMessage arpMessage);
+ public void sendPacketOutNotification(PacketOutNotification packetOutNotification);
+
+ /**
+ * Send notification to other ONOS instances that an ARP reply has been
+ * received.
+ * @param arpReply The notification of the ARP reply
+ */
+ public void sendArpReplyNotification(ArpReplyNotification arpReply);
}
diff --git a/src/main/java/net/onrc/onos/ofcontroller/bgproute/BgpRoute.java b/src/main/java/net/onrc/onos/ofcontroller/bgproute/BgpRoute.java
index 33280a6..d16b8b4 100644
--- a/src/main/java/net/onrc/onos/ofcontroller/bgproute/BgpRoute.java
+++ b/src/main/java/net/onrc/onos/ofcontroller/bgproute/BgpRoute.java
@@ -41,7 +41,6 @@
import net.onrc.onos.ofcontroller.linkdiscovery.ILinkDiscoveryService;
import net.onrc.onos.ofcontroller.proxyarp.BgpProxyArpManager;
import net.onrc.onos.ofcontroller.proxyarp.IArpRequester;
-import net.onrc.onos.ofcontroller.proxyarp.IProxyArpService;
import net.onrc.onos.ofcontroller.topology.ITopologyNetService;
import net.onrc.onos.ofcontroller.topology.Topology;
import net.onrc.onos.ofcontroller.topology.TopologyManager;
@@ -78,8 +77,7 @@
public class BgpRoute implements IFloodlightModule, IBgpRouteService,
ITopologyListener, IArpRequester,
- IOFSwitchListener, IConfigInfoService,
- IProxyArpService {
+ IOFSwitchListener, IConfigInfoService {
private final static Logger log = LoggerFactory.getLogger(BgpRoute.class);
@@ -1287,27 +1285,4 @@
public short getVlan() {
return vlan;
}
-
- /*
- * TODO This is a hack to get the REST API to work for ProxyArpManager.
- * The REST API is currently tied to the Floodlight module system and we
- * need to separate it to allow ONOS modules to use it. For now we will
- * proxy calls through to the ProxyArpManager (which is not a Floodlight
- * module) through this class which is a module.
- */
- @Override
- public MACAddress getMacAddress(InetAddress ipAddress) {
- return proxyArp.getMacAddress(ipAddress);
- }
-
- @Override
- public void sendArpRequest(InetAddress ipAddress, IArpRequester requester,
- boolean retry) {
- proxyArp.sendArpRequest(ipAddress, requester, retry);
- }
-
- @Override
- public List<String> getMappings() {
- return proxyArp.getMappings();
- }
}
diff --git a/src/main/java/net/onrc/onos/ofcontroller/floodlightlistener/NetworkGraphPublisher.java b/src/main/java/net/onrc/onos/ofcontroller/floodlightlistener/NetworkGraphPublisher.java
index ea547fc..68c2b7c 100644
--- a/src/main/java/net/onrc/onos/ofcontroller/floodlightlistener/NetworkGraphPublisher.java
+++ b/src/main/java/net/onrc/onos/ofcontroller/floodlightlistener/NetworkGraphPublisher.java
@@ -20,6 +20,7 @@
import net.floodlightcontroller.devicemanager.IDeviceListener;
import net.floodlightcontroller.routing.Link;
import net.floodlightcontroller.threadpool.IThreadPoolService;
+import net.floodlightcontroller.util.MACAddress;
import net.onrc.onos.datagrid.IDatagridService;
import net.onrc.onos.graph.GraphDBConnection;
import net.onrc.onos.graph.GraphDBOperation;
@@ -37,7 +38,7 @@
import net.onrc.onos.ofcontroller.linkdiscovery.ILinkDiscoveryListener;
import net.onrc.onos.ofcontroller.linkdiscovery.ILinkDiscoveryService;
import net.onrc.onos.ofcontroller.linkdiscovery.LinkInfo;
-import net.onrc.onos.ofcontroller.proxyarp.ArpMessage;
+import net.onrc.onos.ofcontroller.proxyarp.ArpReplyNotification;
import net.onrc.onos.ofcontroller.topology.TopologyElement;
import net.onrc.onos.registry.controller.IControllerRegistryService;
import net.onrc.onos.registry.controller.IControllerRegistryService.ControlChangeCallback;
@@ -384,8 +385,9 @@
log.debug("{}:deviceAdded(): Adding device {}",this.getClass(),device.getMACAddressString());
devStore.addDevice(device);
for (int intIpv4Address : device.getIPv4Addresses()) {
- datagridService.sendArpRequest(
- ArpMessage.newReply(InetAddresses.fromInteger(intIpv4Address)));
+ datagridService.sendArpReplyNotification(new ArpReplyNotification(
+ InetAddresses.fromInteger(intIpv4Address),
+ MACAddress.valueOf(device.getMACAddress())));
}
}
diff --git a/src/main/java/net/onrc/onos/ofcontroller/forwarding/Forwarding.java b/src/main/java/net/onrc/onos/ofcontroller/forwarding/Forwarding.java
index 4415120..c42488c 100644
--- a/src/main/java/net/onrc/onos/ofcontroller/forwarding/Forwarding.java
+++ b/src/main/java/net/onrc/onos/ofcontroller/forwarding/Forwarding.java
@@ -1,6 +1,5 @@
package net.onrc.onos.ofcontroller.forwarding;
-import java.net.InetAddress;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
@@ -16,7 +15,6 @@
import net.floodlightcontroller.core.module.IFloodlightModule;
import net.floodlightcontroller.core.module.IFloodlightService;
import net.floodlightcontroller.packet.Ethernet;
-import net.floodlightcontroller.packet.IPv4;
import net.floodlightcontroller.util.MACAddress;
import net.onrc.onos.datagrid.IDatagridService;
import net.onrc.onos.ofcontroller.core.IDeviceStorage;
@@ -27,7 +25,8 @@
import net.onrc.onos.ofcontroller.devicemanager.IOnosDeviceService;
import net.onrc.onos.ofcontroller.flowmanager.IFlowService;
import net.onrc.onos.ofcontroller.flowprogrammer.IFlowPusherService;
-import net.onrc.onos.ofcontroller.proxyarp.ArpMessage;
+import net.onrc.onos.ofcontroller.proxyarp.IProxyArpService;
+import net.onrc.onos.ofcontroller.proxyarp.BroadcastPacketOutNotification;
import net.onrc.onos.ofcontroller.topology.TopologyManager;
import net.onrc.onos.ofcontroller.util.CallerId;
import net.onrc.onos.ofcontroller.util.DataPath;
@@ -53,7 +52,6 @@
import com.google.common.collect.LinkedListMultimap;
import com.google.common.collect.ListMultimap;
-import com.google.common.net.InetAddresses;
public class Forwarding implements IOFMessageListener, IFloodlightModule,
IForwardingService {
@@ -175,6 +173,9 @@
dependencies.add(IFlowService.class);
dependencies.add(IFlowPusherService.class);
dependencies.add(IOnosDeviceService.class);
+ // We don't use the IProxyArpService directly, but reactive forwarding
+ // requires it to be loaded and answering ARP requests
+ dependencies.add(IProxyArpService.class);
return dependencies;
}
@@ -256,24 +257,9 @@
if (log.isTraceEnabled()) {
log.trace("Sending broadcast packet to other ONOS instances");
}
-
- IPv4 ipv4Packet = (IPv4) eth.getPayload();
-
- // TODO We'll put the destination address here, because the current
- // architecture needs an address. Addresses are only used for replies
- // however, which don't apply to non-ARP packets. The ArpMessage class
- // has become a bit too overloaded and should be refactored to
- // handle all use cases nicely.
- InetAddress targetAddress =
- InetAddresses.fromInteger(ipv4Packet.getDestinationAddress());
-
- // Piggy-back on the ARP mechanism to broadcast this packet out the
- // edge. Luckily the ARP module doesn't check that the packet is
- // actually ARP before broadcasting, so we can trick it into sending
- // our non-ARP packets.
- // TODO This should be refactored later to account for the new use case.
- datagrid.sendArpRequest(ArpMessage.newRequest(targetAddress, eth.serialize(),
- -1L, (short)-1, sw.getId(), pi.getInPort()));
+
+ datagrid.sendPacketOutNotification(new BroadcastPacketOutNotification(
+ eth.serialize(), sw.getId(), pi.getInPort()));
}
private void handlePacketIn(IOFSwitch sw, OFPacketIn pi, Ethernet eth) {
@@ -303,7 +289,6 @@
long destinationDpid = HexString.toLong(switchObject.getDPID());
// TODO SwitchPort, Dpid and Port should probably be immutable
- // (also, are Dpid and Port are even necessary?)
SwitchPort srcSwitchPort = new SwitchPort(
new Dpid(sw.getId()), new Port(pi.getInPort()));
SwitchPort dstSwitchPort = new SwitchPort(
diff --git a/src/main/java/net/onrc/onos/ofcontroller/proxyarp/ArpReplyNotification.java b/src/main/java/net/onrc/onos/ofcontroller/proxyarp/ArpReplyNotification.java
new file mode 100644
index 0000000..a8afc55
--- /dev/null
+++ b/src/main/java/net/onrc/onos/ofcontroller/proxyarp/ArpReplyNotification.java
@@ -0,0 +1,28 @@
+package net.onrc.onos.ofcontroller.proxyarp;
+
+import java.io.Serializable;
+import java.net.InetAddress;
+
+import net.floodlightcontroller.util.MACAddress;
+
+public class ArpReplyNotification implements Serializable {
+
+ private static final long serialVersionUID = 1L;
+
+ private InetAddress targetAddress;
+ private MACAddress targetMacAddress;
+
+ public ArpReplyNotification(InetAddress targetAddress, MACAddress targetMacAddress) {
+ this.targetAddress = targetAddress;
+ this.targetMacAddress = targetMacAddress;
+ }
+
+ public InetAddress getTargetAddress() {
+ return targetAddress;
+ }
+
+ public MACAddress getTargetMacAddress() {
+ return targetMacAddress;
+ }
+
+}
diff --git a/src/main/java/net/onrc/onos/ofcontroller/proxyarp/BroadcastPacketOutNotification.java b/src/main/java/net/onrc/onos/ofcontroller/proxyarp/BroadcastPacketOutNotification.java
new file mode 100644
index 0000000..73d2163
--- /dev/null
+++ b/src/main/java/net/onrc/onos/ofcontroller/proxyarp/BroadcastPacketOutNotification.java
@@ -0,0 +1,34 @@
+package net.onrc.onos.ofcontroller.proxyarp;
+
+/**
+ * Notification to all ONOS instances to broadcast this packet out the edge of
+ * the network. The edge is defined as any port that doesn't have a link to
+ * another switch. The one exception is the port that the packet was received
+ * on.
+ *
+ */
+public class BroadcastPacketOutNotification extends
+ PacketOutNotification {
+
+ private static final long serialVersionUID = 1L;
+
+ private final long inSwitch;
+ private final short inPort;
+
+ public BroadcastPacketOutNotification(byte[] packet, long inSwitch,
+ short inPort) {
+ super(packet);
+
+ this.inSwitch = inSwitch;
+ this.inPort = inPort;
+ }
+
+ public long getInSwitch() {
+ return inSwitch;
+ }
+
+ public short getInPort() {
+ return inPort;
+ }
+
+}
diff --git a/src/main/java/net/onrc/onos/ofcontroller/proxyarp/IArpEventHandler.java b/src/main/java/net/onrc/onos/ofcontroller/proxyarp/IArpEventHandler.java
deleted file mode 100644
index 4ec32ec..0000000
--- a/src/main/java/net/onrc/onos/ofcontroller/proxyarp/IArpEventHandler.java
+++ /dev/null
@@ -1,11 +0,0 @@
-package net.onrc.onos.ofcontroller.proxyarp;
-
-public interface IArpEventHandler {
-
- /**
- * Notify the ARP event handler that an ARP request has been received.
- * @param id The string ID of the ARP request
- * @param arpRequest The ARP request packet
- */
- public void arpRequestNotification(ArpMessage arpMessage);
-}
diff --git a/src/main/java/net/onrc/onos/ofcontroller/proxyarp/IArpReplyEventHandler.java b/src/main/java/net/onrc/onos/ofcontroller/proxyarp/IArpReplyEventHandler.java
new file mode 100644
index 0000000..75f1d5d
--- /dev/null
+++ b/src/main/java/net/onrc/onos/ofcontroller/proxyarp/IArpReplyEventHandler.java
@@ -0,0 +1,5 @@
+package net.onrc.onos.ofcontroller.proxyarp;
+
+public interface IArpReplyEventHandler {
+ public void arpReplyEvent(ArpReplyNotification arpReply);
+}
diff --git a/src/main/java/net/onrc/onos/ofcontroller/proxyarp/IPacketOutEventHandler.java b/src/main/java/net/onrc/onos/ofcontroller/proxyarp/IPacketOutEventHandler.java
new file mode 100644
index 0000000..86b3728
--- /dev/null
+++ b/src/main/java/net/onrc/onos/ofcontroller/proxyarp/IPacketOutEventHandler.java
@@ -0,0 +1,18 @@
+package net.onrc.onos.ofcontroller.proxyarp;
+
+/**
+ * Classes may implement this interface if they wish to subscribe to
+ * packet out notifications from the datagrid service. Packet out notifications
+ * are used to direct other ONOS instances to send packets out particular
+ * ports under their control.
+ *
+ */
+public interface IPacketOutEventHandler {
+
+ /**
+ * Notify the packet out event handler that an packet out notification has
+ * been received.
+ * @param packetOutNotification An object describing the notification
+ */
+ public void packetOutNotification(PacketOutNotification packetOutNotification);
+}
diff --git a/src/main/java/net/onrc/onos/ofcontroller/proxyarp/PacketOutNotification.java b/src/main/java/net/onrc/onos/ofcontroller/proxyarp/PacketOutNotification.java
new file mode 100644
index 0000000..3d37d25
--- /dev/null
+++ b/src/main/java/net/onrc/onos/ofcontroller/proxyarp/PacketOutNotification.java
@@ -0,0 +1,21 @@
+package net.onrc.onos.ofcontroller.proxyarp;
+
+import java.io.Serializable;
+
+/**
+ * A PacketOutNotification contains data sent between ONOS instances that
+ * directs other instances to send a packet out a set of ports.
+ * This is an abstract base class that will be subclassed by specific
+ * types of notifications.
+ *
+ */
+public abstract class PacketOutNotification implements Serializable {
+
+ private static final long serialVersionUID = 1L;
+
+ protected final byte[] packet;
+
+ public PacketOutNotification(byte[] packet) {
+ this.packet = packet;
+ }
+}
diff --git a/src/main/java/net/onrc/onos/ofcontroller/proxyarp/ProxyArpManager.java b/src/main/java/net/onrc/onos/ofcontroller/proxyarp/ProxyArpManager.java
index 289e0e2..70533b0 100644
--- a/src/main/java/net/onrc/onos/ofcontroller/proxyarp/ProxyArpManager.java
+++ b/src/main/java/net/onrc/onos/ofcontroller/proxyarp/ProxyArpManager.java
@@ -37,6 +37,7 @@
import net.onrc.onos.ofcontroller.core.config.IConfigInfoService;
import net.onrc.onos.ofcontroller.core.internal.DeviceStorageImpl;
import net.onrc.onos.ofcontroller.core.internal.TopoSwitchServiceImpl;
+import net.onrc.onos.ofcontroller.flowprogrammer.IFlowPusherService;
import net.onrc.onos.ofcontroller.util.Dpid;
import net.onrc.onos.ofcontroller.util.Port;
import net.onrc.onos.ofcontroller.util.SwitchPort;
@@ -58,7 +59,8 @@
import com.google.common.net.InetAddresses;
public class ProxyArpManager implements IProxyArpService, IOFMessageListener,
- IArpEventHandler, IFloodlightModule {
+ IPacketOutEventHandler, IArpReplyEventHandler,
+ IFloodlightModule {
private final static Logger log = LoggerFactory.getLogger(ProxyArpManager.class);
private final long ARP_TIMER_PERIOD = 100; //ms
@@ -70,6 +72,7 @@
private IDatagridService datagrid;
private IConfigInfoService configService;
private IRestApiService restApi;
+ private IFlowPusherService flowPusher;
private IDeviceStorage deviceStorage;
private volatile ITopoSwitchService topoSwitchService;
@@ -153,6 +156,7 @@
dependencies.add(IRestApiService.class);
dependencies.add(IDatagridService.class);
dependencies.add(IConfigInfoService.class);
+ dependencies.add(IFlowPusherService.class);
return dependencies;
}
@@ -164,6 +168,7 @@
this.datagrid = context.getServiceImpl(IDatagridService.class);
this.configService = context.getServiceImpl(IConfigInfoService.class);
this.restApi = context.getServiceImpl(IRestApiService.class);
+ this.flowPusher = context.getServiceImpl(IFlowPusherService.class);
//arpCache = new ArpCache();
@@ -181,7 +186,7 @@
restApi.addRestletRoutable(new ArpWebRoutable());
floodlightProvider.addOFMessageListener(OFType.PACKET_IN, this);
- datagrid.registerArpEventHandler(this);
+ datagrid.registerPacketOutEventHandler(this);
deviceStorage = new DeviceStorageImpl();
deviceStorage.init("");
@@ -291,7 +296,7 @@
}
else if (arp.getOpCode() == ARP.OP_REPLY) {
handleArpReply(sw, pi, arp);
- sendToOtherNodesReply(eth, pi);
+ sendReplyNotification(eth, pi);
}
// Stop ARP packets here
@@ -345,7 +350,9 @@
}
// We don't know the device so broadcast the request out
- sendToOtherNodes(eth, sw.getId(), pi);
+ datagrid.sendPacketOutNotification(
+ new BroadcastPacketOutNotification(eth.serialize(),
+ sw.getId(), pi.getInPort()));
}
else {
// Even if the device exists in our database, we do not reply to
@@ -362,7 +369,6 @@
// sendArpReply(arp, sw.getId(), pi.getInPort(), macAddress);
- log.trace("Checking the device info from DB is still valid or not");
Iterable<IPortObject> outPorts = targetDevice.getAttachedPorts();
if (!outPorts.iterator().hasNext()){
@@ -371,19 +377,26 @@
" - broadcasting", macAddress);
}
- sendToOtherNodes(eth, sw.getId(), pi);
+ datagrid.sendPacketOutNotification(
+ new BroadcastPacketOutNotification(eth.serialize(),
+ sw.getId(), pi.getInPort()));
}
else {
for (IPortObject portObject : outPorts) {
- long outSwitch = 0;
- short outPort = 0;
+ //long outSwitch = 0;
+ //short outPort = 0;
+ /*
if (!portObject.getLinkedPorts().iterator().hasNext()) {
outPort = portObject.getNumber();
+ }*/
+ if (portObject.getLinkedPorts().iterator().hasNext()) {
+ continue;
}
+ short outPort = portObject.getNumber();
ISwitchObject outSwitchObject = portObject.getSwitch();
- outSwitch = HexString.toLong(outSwitchObject.getDPID());
+ long outSwitch = HexString.toLong(outSwitchObject.getDPID());
if (log.isTraceEnabled()) {
log.trace("Probing device {} on port {}/{}",
@@ -391,7 +404,9 @@
HexString.toHexString(outSwitch), outPort});
}
- sendToOtherNodes(eth, pi, outSwitch, outPort);
+ datagrid.sendPacketOutNotification(
+ new SinglePacketOutNotification(eth.serialize(),
+ outSwitch, outPort));
}
}
}
@@ -517,50 +532,7 @@
}
}
- private void sendToOtherNodes(Ethernet eth, long inSwitchId, OFPacketIn pi) {
- ARP arp = (ARP) eth.getPayload();
-
- if (log.isTraceEnabled()) {
- log.trace("Sending ARP request for {} to other ONOS instances",
- inetAddressToString(arp.getTargetProtocolAddress()));
- }
-
- InetAddress targetAddress;
- try {
- targetAddress = InetAddress.getByAddress(arp.getTargetProtocolAddress());
- } catch (UnknownHostException e) {
- log.error("Unknown host", e);
- return;
- }
-
- datagrid.sendArpRequest(ArpMessage.newRequest(targetAddress, eth.serialize(),
- -1L, (short)-1, inSwitchId, pi.getInPort()));
- }
-
- //hazelcast to other ONOS instances to send the ARP packet out on outPort of outSwitch
- private void sendToOtherNodes(Ethernet eth, OFPacketIn pi, long outSwitch, short outPort) {
- ARP arp = (ARP) eth.getPayload();
-
- if (log.isTraceEnabled()) {
- log.trace("Sending ARP request for {} to other ONOS instances with outSwitch {} ",
- inetAddressToString(arp.getTargetProtocolAddress()), String.valueOf(outSwitch));
- }
-
- InetAddress targetAddress;
- try {
- targetAddress = InetAddress.getByAddress(arp.getTargetProtocolAddress());
- } catch (UnknownHostException e) {
- log.error("Unknown host", e);
- return;
- }
-
- datagrid.sendArpRequest(ArpMessage.newRequest(targetAddress, eth.serialize(), outSwitch, outPort));
- //datagrid.sendArpRequest(ArpMessage.newRequest(targetAddress, eth.serialize()));
-
-
- }
-
- private void sendToOtherNodesReply(Ethernet eth, OFPacketIn pi) {
+ private void sendReplyNotification(Ethernet eth, OFPacketIn pi) {
ARP arp = (ARP) eth.getPayload();
if (log.isTraceEnabled()) {
@@ -577,12 +549,14 @@
log.error("Unknown host", e);
return;
}
-
- datagrid.sendArpRequest(ArpMessage.newReply(targetAddress, mac));
- //datagrid.sendArpReply(ArpMessage.newRequest(targetAddress, eth.serialize()));
-
+
+ datagrid.sendArpReplyNotification(new ArpReplyNotification(targetAddress, mac));
}
+ // This remains from the older single-instance ARP code. It used Floodlight
+ // APIs to find the edge of the network, but only worked on a single instance.
+ // We now do this using ONOS network graph APIs.
+ @Deprecated
private void broadcastArpRequestOutEdge(byte[] arpRequest, long inSwitch, short inPort) {
for (IOFSwitch sw : floodlightProvider.getSwitches().values()){
Collection<Short> enabledPorts = sw.getEnabledPortNumbers();
@@ -673,12 +647,7 @@
po.setLengthU(OFPacketOut.MINIMUM_LENGTH + actionsLength
+ arpRequest.length);
- try {
- sw.write(po, null);
- sw.flush();
- } catch (IOException e) {
- log.error("Failure writing packet out to switch", e);
- }
+ flowPusher.add(sw, po);
}
if (log.isTraceEnabled()) {
@@ -712,12 +681,7 @@
return;
}
- try {
- sw.write(po, null);
- sw.flush();
- } catch (IOException e) {
- log.error("Failure writing packet out to switch", e);
- }
+ flowPusher.add(sw, po);
}
private void sendArpReply(ARP arpRequest, long dpid, short port, MACAddress targetMac) {
@@ -740,7 +704,6 @@
.setTargetProtocolAddress(arpRequest.getSenderProtocolAddress());
-
Ethernet eth = new Ethernet();
eth.setDestinationMACAddress(arpRequest.getSenderHardwareAddress())
.setSourceMACAddress(targetMac.toBytes())
@@ -775,12 +738,7 @@
return;
}
- try {
- sw.write(msgList, null);
- sw.flush();
- } catch (IOException e) {
- log.error("Failure writing packet out to switch", e);
- }
+ flowPusher.add(sw, po);
}
private String inetAddressToString(byte[] bytes) {
@@ -820,9 +778,6 @@
}
/*
- * IArpEventHandler methods
- */
-
@Override
public void arpRequestNotification(ArpMessage arpMessage) {
log.debug("Received ARP notification from other instances");
@@ -844,6 +799,7 @@
break;
}
}
+ */
private void sendArpReplyToWaitingRequesters(InetAddress address, MACAddress mac) {
log.debug("Sending ARP reply for {} to requesters",
@@ -876,4 +832,33 @@
request.dispatchReply(address, mac);
}
}
+
+ @Override
+ public void arpReplyEvent(ArpReplyNotification arpReply) {
+ log.debug("Received ARP reply notification for {}",
+ arpReply.getTargetAddress());
+ sendArpReplyToWaitingRequesters(arpReply.getTargetAddress(),
+ arpReply.getTargetMacAddress());
+ }
+
+ @Override
+ public void packetOutNotification(
+ PacketOutNotification packetOutNotification) {
+
+ if (packetOutNotification instanceof SinglePacketOutNotification) {
+ SinglePacketOutNotification notification =
+ (SinglePacketOutNotification) packetOutNotification;
+ sendArpRequestOutPort(notification.packet, notification.getOutSwitch(),
+ notification.getOutPort());
+ }
+ else if (packetOutNotification instanceof BroadcastPacketOutNotification) {
+ BroadcastPacketOutNotification notification =
+ (BroadcastPacketOutNotification) packetOutNotification;
+ broadcastArpRequestOutMyEdge(notification.packet,
+ notification.getInSwitch(), notification.getInPort());
+ }
+ else {
+ log.warn("Unknown packet out notification received");
+ }
+ }
}
diff --git a/src/main/java/net/onrc/onos/ofcontroller/proxyarp/SinglePacketOutNotification.java b/src/main/java/net/onrc/onos/ofcontroller/proxyarp/SinglePacketOutNotification.java
new file mode 100644
index 0000000..1919d87
--- /dev/null
+++ b/src/main/java/net/onrc/onos/ofcontroller/proxyarp/SinglePacketOutNotification.java
@@ -0,0 +1,30 @@
+package net.onrc.onos.ofcontroller.proxyarp;
+
+/**
+ * Notification to another ONOS instance to send a packet out a single port.
+ *
+ */
+public class SinglePacketOutNotification extends PacketOutNotification {
+
+ private static final long serialVersionUID = 1L;
+
+ private final long outSwitch;
+ private final short outPort;
+
+ public SinglePacketOutNotification(byte[] packet, long outSwitch,
+ short outPort) {
+ super(packet);
+
+ this.outSwitch = outSwitch;
+ this.outPort = outPort;
+ }
+
+ public long getOutSwitch() {
+ return outSwitch;
+ }
+
+ public short getOutPort() {
+ return outPort;
+ }
+
+}