* terms of the Eclipse Public License v1.0 which accompanies this distribution,
* and is available at http://www.eclipse.org/legal/epl-v10.html
*/
+
package org.opendaylight.openflowplugin.impl.connection;
+import java.math.BigInteger;
+import java.net.InetSocketAddress;
+import java.util.concurrent.Callable;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.Executors;
+import java.util.concurrent.Future;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
+
import org.opendaylight.openflowjava.protocol.api.connection.ConnectionAdapter;
+import org.opendaylight.openflowjava.protocol.api.connection.OutboundQueue;
+import org.opendaylight.openflowjava.protocol.api.connection.OutboundQueueHandlerRegistration;
import org.opendaylight.openflowplugin.api.openflow.connection.ConnectionContext;
+import org.opendaylight.openflowplugin.api.openflow.connection.HandshakeContext;
+import org.opendaylight.openflowplugin.api.openflow.connection.OutboundQueueProvider;
import org.opendaylight.openflowplugin.api.openflow.device.handlers.DeviceDisconnectedHandler;
+import org.opendaylight.openflowplugin.impl.statistics.ofpspecific.SessionStatistics;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.FeaturesReply;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
/**
*
public class ConnectionContextImpl implements ConnectionContext {
private final ConnectionAdapter connectionAdapter;
- private CONNECTION_STATE connectionState;
+ private volatile CONNECTION_STATE connectionState;
private FeaturesReply featuresReply;
private NodeId nodeId;
private DeviceDisconnectedHandler deviceDisconnectedHandler;
+ private static final Logger LOG = LoggerFactory.getLogger(ConnectionContextImpl.class);
+ private OutboundQueueProvider outboundQueueProvider;
+ private OutboundQueueHandlerRegistration<OutboundQueueProvider> outboundQueueHandlerRegistration;
+ private HandshakeContext handshakeContext;
/**
* @param connectionAdapter
return connectionAdapter;
}
+ @Override
+ public OutboundQueue getOutboundQueueProvider() {
+ return this.outboundQueueProvider;
+ }
+
+ @Override
+ public void setOutboundQueueProvider(final OutboundQueueProvider outboundQueueProvider) {
+ this.outboundQueueProvider = outboundQueueProvider;
+ }
+
@Override
public CONNECTION_STATE getConnectionState() {
return connectionState;
this.nodeId = nodeId;
}
- @Override
- public void setConnectionState(final CONNECTION_STATE connectionState) {
- this.connectionState = connectionState;
- }
-
@Override
public FeaturesReply getFeatures() {
return featuresReply;
}
@Override
- public void propagateClosingConnection() {
+ public void setFeatures(final FeaturesReply featuresReply) {
+ this.featuresReply = featuresReply;
+ }
+
+ @Override
+ public void closeConnection(final boolean propagate) {
+ if (null == nodeId){
+ SessionStatistics.countEvent(connectionAdapter.getRemoteAddress().toString(), SessionStatistics.ConnectionStatus.CONNECTION_DISCONNECTED_BY_OFP);
+ } else {
+ SessionStatistics.countEvent(nodeId.toString(), SessionStatistics.ConnectionStatus.CONNECTION_DISCONNECTED_BY_OFP);
+ }
+ final BigInteger datapathId = featuresReply != null ? featuresReply.getDatapathId() : BigInteger.ZERO;
+ LOG.debug("Actively closing connection: {}, datapathId:{}.",
+ connectionAdapter.getRemoteAddress(), datapathId);
+ connectionState = ConnectionContext.CONNECTION_STATE.RIP;
+
+ Future<Void> future = Executors.newSingleThreadExecutor().submit(new Callable<Void>() {
+ @Override
+ public Void call() throws Exception {
+ unregisterOutboundQueue();
+ return null;
+ }
+ });
+ try {
+ LOG.debug("Waiting 1s for unregistering outbound queue.");
+ future.get(1, TimeUnit.SECONDS);
+ LOG.info("Unregistering outbound queue successful.");
+ } catch (InterruptedException e) {
+ LOG.warn("Unregistering outbound queue was interrupted for node {}", nodeId);
+ } catch (ExecutionException e) {
+ LOG.warn("Unregistering outbound queue throws exception for node {}", nodeId, e);
+ } catch (TimeoutException e) {
+ LOG.warn("Unregistering outbound queue took longer than 1 seconds for node {}", nodeId);
+ }
+
+ closeHandshakeContext();
+
+ if (getConnectionAdapter().isAlive()) {
+ getConnectionAdapter().disconnect();
+ }
+
+ if (propagate) {
+ LOG.debug("Propagating device disconnect for node {}", nodeId);
+ propagateDeviceDisconnectedEvent();
+ } else {
+ LOG.debug("Close connection without propagating for node {}", nodeId);
+ }
+ }
+
+ private void closeHandshakeContext() {
+ LOG.debug("Trying closing handshake context for node {}", nodeId);
+ if (handshakeContext != null) {
+ try {
+ handshakeContext.close();
+ } catch (Exception e) {
+ LOG.info("handshake context closing failed: ", e);
+ } finally {
+ handshakeContext = null;
+ }
+ }
+ }
+
+ @Override
+ public void onConnectionClosed() {
+ if (null == nodeId){
+ SessionStatistics.countEvent(connectionAdapter.getRemoteAddress().toString(), SessionStatistics.ConnectionStatus.CONNECTION_DISCONNECTED_BY_DEVICE);
+ } else {
+ SessionStatistics.countEvent(nodeId.toString(), SessionStatistics.ConnectionStatus.CONNECTION_DISCONNECTED_BY_DEVICE);
+ }
+ connectionState = ConnectionContext.CONNECTION_STATE.RIP;
+
+ final InetSocketAddress remoteAddress = connectionAdapter.getRemoteAddress();
+ final Short auxiliaryId;
+ if (null != getFeatures() && null != getFeatures().getAuxiliaryId()) {
+ auxiliaryId = getFeatures().getAuxiliaryId();
+ } else {
+ auxiliaryId = 0;
+ }
+
+ LOG.debug("disconnecting: node={}|auxId={}|connection state = {}",
+ remoteAddress,
+ auxiliaryId,
+ getConnectionState());
+
+ unregisterOutboundQueue();
+ closeHandshakeContext();
+ propagateDeviceDisconnectedEvent();
+ }
+
+ private void propagateDeviceDisconnectedEvent() {
if (null != deviceDisconnectedHandler) {
- this.deviceDisconnectedHandler.onDeviceDisconnected(this);
+ final BigInteger datapathId = featuresReply != null ? featuresReply.getDatapathId() : BigInteger.ZERO;
+ LOG.debug("Propagating connection closed event: {}, datapathId:{}.",
+ connectionAdapter.getRemoteAddress(), datapathId);
+ deviceDisconnectedHandler.onDeviceDisconnected(this);
}
}
@Override
- public void setFeatures(final FeaturesReply featuresReply) {
- this.featuresReply = featuresReply;
+ public void setOutboundQueueHandleRegistration(OutboundQueueHandlerRegistration<OutboundQueueProvider> outboundQueueHandlerRegistration) {
+ this.outboundQueueHandlerRegistration = outboundQueueHandlerRegistration;
+ }
+
+ private void unregisterOutboundQueue() {
+ LOG.debug("Trying unregister outbound queue handler registration for node {}", nodeId);
+ if (outboundQueueHandlerRegistration != null) {
+ outboundQueueHandlerRegistration.close();
+ outboundQueueHandlerRegistration = null;
+ }
+ }
+
+ @Override
+ public synchronized void changeStateToHandshaking() {
+ connectionState = CONNECTION_STATE.HANDSHAKING;
+ }
+
+ @Override
+ public synchronized void changeStateToTimeouting() {
+ connectionState = CONNECTION_STATE.TIMEOUTING;
+ }
+
+ @Override
+ public synchronized void changeStateToWorking() {
+ connectionState = CONNECTION_STATE.WORKING;
+ }
+
+ @Override
+ public void setHandshakeContext(HandshakeContext handshakeContext) {
+ this.handshakeContext = handshakeContext;
}
}
Code Review / openflowplugin.git / blobdiff