import org.opendaylight.controller.protocol_plugin.openflow.IInventoryShimExternalListener;
import org.opendaylight.controller.protocol_plugin.openflow.core.IController;
import org.opendaylight.controller.protocol_plugin.openflow.core.ISwitch;
-import org.openflow.protocol.OFPhysicalPort;
-import org.osgi.framework.BundleContext;
-import org.osgi.framework.FrameworkUtil;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
+import org.opendaylight.controller.sal.connection.IPluginOutConnectionService;
import org.opendaylight.controller.sal.core.Config;
import org.opendaylight.controller.sal.core.ConstructionException;
-import org.opendaylight.controller.sal.core.Edge;
import org.opendaylight.controller.sal.core.ContainerFlow;
+import org.opendaylight.controller.sal.core.Edge;
import org.opendaylight.controller.sal.core.IContainerListener;
import org.opendaylight.controller.sal.core.Node;
import org.opendaylight.controller.sal.core.NodeConnector;
import org.opendaylight.controller.sal.utils.NetUtils;
import org.opendaylight.controller.sal.utils.NodeConnectorCreator;
import org.opendaylight.controller.sal.utils.NodeCreator;
+import org.openflow.protocol.OFPhysicalPort;
+import org.osgi.framework.BundleContext;
+import org.osgi.framework.FrameworkUtil;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
/**
* The class describes neighbor discovery service for an OpenFlow network.
private Boolean throttling = false; // if true, no more batching.
private volatile Boolean shuttingDown = false;
- private LLDPTLV chassisIdTlv, portIdTlv, ttlTlv, customTlv;
+ private LLDPTLV chassisIdTlv, systemNameTlv, portIdTlv, ttlTlv, customTlv;
+ private IPluginOutConnectionService connectionOutService;
class DiscoveryTransmit implements Runnable {
private final BlockingQueue<NodeConnector> transmitQ;
+ private int count = 0;
DiscoveryTransmit(BlockingQueue<NodeConnector> transmitQ) {
this.transmitQ = transmitQ;
RawPacket outPkt = createDiscoveryPacket(nodeConnector);
sendDiscoveryPacket(nodeConnector, outPkt);
nodeConnector = null;
+ if ((++count & 0x7f) == 0) {
+ Thread.sleep(10);
+ }
} catch (InterruptedException e1) {
logger.warn("DiscoveryTransmit interupted", e1.getMessage());
if (shuttingDown) {
chassisIdTlv.setType(LLDPTLV.TLVType.ChassisID.getValue()).setLength((short) cidValue.length)
.setValue(cidValue);
+ // Create LLDP SystemName TLV
+ byte[] snValue = LLDPTLV.createSystemNameTLVValue(nodeConnector.getNode().toString());
+ systemNameTlv.setType(LLDPTLV.TLVType.SystemName.getValue()).setLength((short) snValue.length)
+ .setValue(snValue);
+
// Create LLDP PortID TLV
String portId = nodeConnector.getNodeConnectorIDString();
byte[] pidValue = LLDPTLV.createPortIDTLVValue(portId);
// Create discovery pkt
LLDP discoveryPkt = new LLDP();
- discoveryPkt.setChassisId(chassisIdTlv).setPortId(portIdTlv).setTtl(ttlTlv).setOptionalTLVList(customList);
+ discoveryPkt.setChassisId(chassisIdTlv).setPortId(portIdTlv).setTtl(ttlTlv).setSystemNameId(systemNameTlv)
+ .setOptionalTLVList(customList);
RawPacket rawPkt = null;
try {
return;
}
+ if (!connectionOutService.isLocal(nodeConnector.getNode())) {
+ logger.debug("Discoery packets will not be sent to {} in a non-master controller", nodeConnector.toString());
+ return;
+ }
+
if (outPkt == null) {
logger.debug("Can not send discovery packet out since outPkt is null");
return;
return PacketResult.IGNORED;
}
- if (((Short) inPkt.getIncomingNodeConnector().getID()).equals(NodeConnector.SPECIALNODECONNECTORID)) {
+ NodeConnector nodeConnector = inPkt.getIncomingNodeConnector();
+ if (((Short) nodeConnector.getID()).equals(NodeConnector.SPECIALNODECONNECTORID)) {
logger.trace("Ignoring ethernet packet received on special port: "
+ inPkt.getIncomingNodeConnector().toString());
return PacketResult.IGNORED;
}
+ if (!connectionOutService.isLocal(nodeConnector.getNode())) {
+ logger.debug("Discoery packets will not be processed from {} in a non-master controller", nodeConnector.toString());
+ return PacketResult.IGNORED;
+ }
+
Ethernet ethPkt = new Ethernet();
try {
ethPkt.deserialize(data, 0, data.length * NetUtils.NumBitsInAByte);
updateProdEdge(edge, props);
} catch (Exception e) {
- logger.warn("Caught exception ", e);
+ if (logger.isDebugEnabled()) {
+ logger.debug(
+ "Caught exception while attempting to snoop non controller generated or malformed LLDP frame sent by {} and received on {}: {}",
+ HexEncode.bytesToHexStringFormat(ethPkt.getSourceMACAddress()), dstNodeConnector,
+ e.getMessage());
+ }
}
}
List<LLDPTLV> optionalTLVList = lldp.getOptionalTLVList();
if (optionalTLVList == null) {
- logger.info("The discovery packet with null custom option from {}", dstNodeConnector);
+ logger.warn("The discovery packet with null custom option from {}", dstNodeConnector);
return false;
}
private void addDiscovery(Node node) {
Map<Long, ISwitch> switches = controller.getSwitches();
ISwitch sw = switches.get(node.getID());
- List<OFPhysicalPort> ports = sw.getEnabledPorts();
- if (ports == null) {
+ if (sw == null) {
+ //switch could be removed by now, stop propagation
return;
}
+ List<OFPhysicalPort> ports = sw.getEnabledPorts();
for (OFPhysicalPort port : ports) {
NodeConnector nodeConnector = NodeConnectorCreator.createOFNodeConnector(port.getPortNumber(), node);
if (!readyListHi.contains(nodeConnector)) {
readyListHi.add(nodeConnector);
}
+ private void removeNodeConnector(NodeConnector nodeConnector) {
+ readyListLo.remove(nodeConnector);
+ readyListHi.remove(nodeConnector);
+ stagingList.remove(nodeConnector);
+ holdTime.remove(nodeConnector);
+ elapsedTime.remove(nodeConnector);
+ }
+
private Set<NodeConnector> getRemoveSet(Collection<NodeConnector> c, Node node) {
Set<NodeConnector> removeSet = new HashSet<NodeConnector>();
if (c == null) {
private void removeDiscovery(Node node) {
Set<NodeConnector> removeSet;
+ removeSet = getRemoveSet(edgeMap.keySet(), node);
+ NodeConnector peerConnector;
+ Edge edge1, edge2;
+ for (NodeConnector nodeConnector : removeSet) {
+ // get the peer for fast removal of the edge in reverse direction
+ peerConnector = null;
+ edge1 = edgeMap.get(nodeConnector);
+ if (edge1 != null) {
+ edge2 = edgeMap.get(edge1.getTailNodeConnector());
+ if ((edge2 != null) && node.equals(edge2.getTailNodeConnector().getNode())) {
+ peerConnector = edge2.getHeadNodeConnector();
+ }
+ }
+
+ removeEdge(nodeConnector, false);
+ removeEdge(peerConnector, isEnabled(peerConnector));
+ }
+
+ removeSet = getRemoveSet(prodMap.keySet(), node);
+ for (NodeConnector nodeConnector : removeSet) {
+ removeProdEdge(nodeConnector);
+ }
+
removeSet = getRemoveSet(readyListHi, node);
readyListHi.removeAll(removeSet);
holdTime.remove(nodeConnector);
}
- removeSet = getRemoveSet(edgeMap.keySet(), node);
+ removeSet = getRemoveSet(elapsedTime.keySet(), node);
for (NodeConnector nodeConnector : removeSet) {
- removeEdge(nodeConnector, false);
- }
-
- removeSet = getRemoveSet(prodMap.keySet(), node);
- for (NodeConnector nodeConnector : removeSet) {
- removeProdEdge(nodeConnector);
+ elapsedTime.remove(nodeConnector);
}
}
private void removeDiscovery(NodeConnector nodeConnector) {
- readyListHi.remove(nodeConnector);
- readyListLo.remove(nodeConnector);
- stagingList.remove(nodeConnector);
- holdTime.remove(nodeConnector);
+ removeNodeConnector(nodeConnector);
removeEdge(nodeConnector, false);
removeProdEdge(nodeConnector);
}
for (NodeConnector nodeConnector : retrySet) {
// Allow one more retry
- readyListLo.add(nodeConnector);
elapsedTime.remove(nodeConnector);
+ if (connectionOutService.isLocal(nodeConnector.getNode())) {
+ transmitQ.add(nodeConnector);
+ }
}
}
}
private void doDiscovery() {
if (++discoveryTimerTickCount <= discoveryBatchPauseTicks) {
for (NodeConnector nodeConnector : getWorkingSet()) {
- transmitQ.add(nodeConnector);
- // Move to staging area after it's served
- if (!stagingList.contains(nodeConnector)) {
- stagingList.add(nodeConnector);
+ if (connectionOutService.isLocal(nodeConnector.getNode())) {
+ transmitQ.add(nodeConnector);
+ // Move to staging area after it's served
+ if (!stagingList.contains(nodeConnector)) {
+ stagingList.add(nodeConnector);
+ }
}
}
} else if (discoveryTimerTickCount >= discoveryBatchRestartTicks) {
}
elapsedTime.remove(src);
+ // fast discovery of the edge in reverse direction
+ if (!edgeMap.containsKey(dst) && !readyListHi.contains(dst) && !elapsedTime.keySet().contains(dst)) {
+ moveToReadyListHi(dst);
+ }
+
+ //checking only OF map, since production edge discovery always overwrites any existing edge
+ UpdateType ut = edgeMap.containsKey(dst) ? UpdateType.CHANGED : UpdateType.ADDED;
// notify
- updateEdge(edge, UpdateType.ADDED, props);
+ updateEdge(edge, ut, props);
logger.trace("Add edge {}", edge);
}
* Remove OpenFlow edge
*/
private void removeEdge(NodeConnector nodeConnector, boolean stillEnabled) {
- holdTime.remove(nodeConnector);
- readyListLo.remove(nodeConnector);
- readyListHi.remove(nodeConnector);
+ if (nodeConnector == null) {
+ return;
+ }
+
+ removeNodeConnector(nodeConnector);
if (stillEnabled) {
// keep discovering
- if (!stagingList.contains(nodeConnector)) {
- stagingList.add(nodeConnector);
- }
- } else {
- // stop it
- stagingList.remove(nodeConnector);
+ stagingList.add(nodeConnector);
}
Edge edge = null;
return;
}
+
this.discoveryListener.notifyEdge(edge, type, props);
NodeConnector src = edge.getTailNodeConnector(), dst = edge.getHeadNodeConnector();
if (val != null) {
try {
- int ticks = Integer.parseInt(val);
+ int ticks;
+ Set<NodeConnector> monitorSet = holdTime.keySet();
+ if (monitorSet != null) {
+ for (NodeConnector nodeConnector : monitorSet) {
+ holdTime.put(nodeConnector, 0);
+ }
+ }
+
+ ticks = Integer.parseInt(val);
DiscoveryPeriod.INTERVAL.setTick(ticks);
discoveryBatchRestartTicks = getDiscoveryInterval();
discoveryBatchPauseTicks = getDiscoveryPauseInterval();
}
}
+ void setIPluginOutConnectionService(IPluginOutConnectionService s) {
+ connectionOutService = s;
+ }
+
+ void unsetIPluginOutConnectionService(IPluginOutConnectionService s) {
+ if (connectionOutService == s) {
+ connectionOutService = null;
+ }
+ }
+
private void initDiscoveryPacket() {
// Create LLDP ChassisID TLV
chassisIdTlv = new LLDPTLV();
chassisIdTlv.setType(LLDPTLV.TLVType.ChassisID.getValue());
+ // Create LLDP SystemName TLV
+ systemNameTlv = new LLDPTLV();
+ systemNameTlv.setType(LLDPTLV.TLVType.SystemName.getValue());
+
// Create LLDP PortID TLV
portIdTlv = new LLDPTLV();
portIdTlv.setType(LLDPTLV.TLVType.PortID.getValue());
*/
private int getDiscoveryBatchMaxPorts() {
String val = System.getProperty("of.discoveryBatchMaxPorts");
- int ports = 1024;
+ int ports = 512;
if (val != null) {
try {
}
return ports;
}
+
}