* 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 com.google.common.base.Preconditions;
+import java.math.BigInteger;
+import java.net.InetSocketAddress;
+import java.util.Objects;
+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.mdsal.singleton.common.api.ServiceGroupIdentifier;
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.DeviceInfo;
+import org.opendaylight.openflowplugin.api.openflow.device.handlers.DeviceDisconnectedHandler;
+import org.opendaylight.openflowplugin.impl.statistics.ofpspecific.SessionStatistics;
+import org.opendaylight.openflowplugin.impl.util.DeviceStateUtil;
import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.NodeId;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.Node;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.inventory.rev130819.nodes.NodeKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.FeaturesReply;
+import org.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier;
+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;
+ private DeviceInfo deviceInfo;
/**
* @param connectionAdapter
return connectionAdapter;
}
+ @Override
+ public OutboundQueue getOutboundQueueProvider() {
+ return this.outboundQueueProvider;
+ }
+
+ @Override
+ public void setOutboundQueueProvider(final OutboundQueueProvider outboundQueueProvider) {
+ this.outboundQueueProvider = outboundQueueProvider;
+ ((DeviceInfoImpl)this.deviceInfo).setOutboundQueueProvider(this.outboundQueueProvider);
+ }
+
@Override
public CONNECTION_STATE getConnectionState() {
return connectionState;
}
@Override
- public void setConnectionState(final CONNECTION_STATE connectionState) {
- this.connectionState = connectionState;
+ public FeaturesReply getFeatures() {
+ return featuresReply;
}
@Override
- public FeaturesReply getFeatures() {
- return featuresReply;
+ public void setDeviceDisconnectedHandler(final DeviceDisconnectedHandler deviceDisconnectedHandler) {
+ this.deviceDisconnectedHandler = deviceDisconnectedHandler;
}
@Override
public void setFeatures(final FeaturesReply featuresReply) {
this.featuresReply = featuresReply;
}
+
+ @Override
+ public void closeConnection(final boolean propagate) {
+ if (Objects.isNull(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 = Objects.nonNull(featuresReply) ? featuresReply.getDatapathId() : BigInteger.ZERO;
+ if (LOG.isDebugEnabled()) {
+ LOG.debug("Actively closing connection: {}, datapathId: {}",
+ connectionAdapter.getRemoteAddress(), datapathId);
+ }
+ connectionState = ConnectionContext.CONNECTION_STATE.RIP;
+
+ unregisterOutboundQueue();
+ closeHandshakeContext();
+
+ if (getConnectionAdapter().isAlive()) {
+ getConnectionAdapter().disconnect();
+ }
+
+ if (propagate) {
+ propagateDeviceDisconnectedEvent();
+ }
+ }
+
+ private void closeHandshakeContext() {
+ LOG.debug("Trying closing handshake context for node {}", getSafeNodeIdForLOG());
+ if (handshakeContext != null) {
+ try {
+ handshakeContext.close();
+ } catch (Exception e) {
+ LOG.error("handshake context closing failed:{} ", e);
+ } finally {
+ handshakeContext = null;
+ }
+ }
+ }
+
+ @Override
+ public void onConnectionClosed() {
+
+ connectionState = ConnectionContext.CONNECTION_STATE.RIP;
+
+ 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);
+ }
+
+ 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 (Objects.nonNull(deviceDisconnectedHandler)) {
+ final BigInteger datapathId = featuresReply != null ? featuresReply.getDatapathId() : BigInteger.ZERO;
+ if (LOG.isDebugEnabled()) {
+ LOG.debug("Propagating connection closed event: {}, datapathId:{}.",
+ connectionAdapter.getRemoteAddress(), datapathId);
+ }
+ deviceDisconnectedHandler.onDeviceDisconnected(this);
+ }
+ }
+
+ /**
+ * This method returns safe nodeId for logging
+ * @return string value od nodeId or string "null"
+ */
+ @Override
+ public String getSafeNodeIdForLOG() {
+ return Objects.nonNull(nodeId) ? nodeId.getValue() : "null";
+ }
+
+ @Override
+ public void setOutboundQueueHandleRegistration(OutboundQueueHandlerRegistration<OutboundQueueProvider> outboundQueueHandlerRegistration) {
+ this.outboundQueueHandlerRegistration = outboundQueueHandlerRegistration;
+ }
+
+ private void unregisterOutboundQueue() {
+ if (LOG.isDebugEnabled()) {
+ 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 DeviceInfo getDeviceInfo() {
+ return this.deviceInfo;
+ }
+
+ @Override
+ public void handshakeSuccessful() {
+ Preconditions.checkNotNull(nodeId, "Cannot create DeviceInfo if 'NodeId' is not set!");
+ Preconditions.checkNotNull(featuresReply, "Cannot create DeviceInfo if 'features' is not set!");
+ this.deviceInfo = new DeviceInfoImpl(
+ nodeId,
+ DeviceStateUtil.createNodeInstanceIdentifier(nodeId),
+ featuresReply.getVersion(),
+ featuresReply.getDatapathId(),
+ outboundQueueProvider);
+ }
+
+ @Override
+ public void setHandshakeContext(HandshakeContext handshakeContext) {
+ this.handshakeContext = handshakeContext;
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if (this == o) {
+ return true;
+ }
+
+ if (o == null || getClass() != o.getClass()) {
+ return false;
+ }
+
+ ConnectionContextImpl that = (ConnectionContextImpl) o;
+
+ if (!connectionAdapter.equals(that.connectionAdapter)) {
+ return false;
+ }
+
+ if (featuresReply != null ? !featuresReply.equals(that.featuresReply) : that.featuresReply != null) {
+ return false;
+ }
+
+ return nodeId != null ? nodeId.equals(that.nodeId) : that.nodeId == null;
+
+ }
+
+ @Override
+ public int hashCode() {
+ int result = connectionAdapter.hashCode();
+ result = 31 * result + (featuresReply != null ? featuresReply.hashCode() : 0);
+ result = 31 * result + (nodeId != null ? nodeId.hashCode() : 0);
+ return result;
+ }
+
+ private class DeviceInfoImpl implements DeviceInfo {
+
+ private final NodeId nodeId;
+ private final KeyedInstanceIdentifier<Node, NodeKey> nodeII;
+ private final Short version;
+ private final BigInteger datapathId;
+ private final ServiceGroupIdentifier serviceGroupIdentifier;
+ private OutboundQueue outboundQueueProvider;
+
+ DeviceInfoImpl(
+ final NodeId nodeId,
+ final KeyedInstanceIdentifier<Node, NodeKey> nodeII,
+ final Short version,
+ final BigInteger datapathId,
+ final OutboundQueue outboundQueueProvider) {
+ this.nodeId = nodeId;
+ this.nodeII = nodeII;
+ this.version = version;
+ this.datapathId = datapathId;
+ this.outboundQueueProvider = outboundQueueProvider;
+ this.serviceGroupIdentifier = ServiceGroupIdentifier.create(this.nodeId.getValue());
+ }
+
+ @Override
+ public NodeId getNodeId() {
+ return nodeId;
+ }
+
+ @Override
+ public KeyedInstanceIdentifier<Node, NodeKey> getNodeInstanceIdentifier() {
+ return nodeII;
+ }
+
+ @Override
+ public short getVersion() {
+ return version;
+ }
+
+ @Override
+ public BigInteger getDatapathId() {
+ return datapathId;
+ }
+
+ @Override
+ public ServiceGroupIdentifier getServiceIdentifier() {
+ return this.serviceGroupIdentifier;
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if (this == o) {
+ return true;
+ }
+
+ if (o == null || getClass() != o.getClass()) {
+ return false;
+ }
+
+ DeviceInfoImpl that = (DeviceInfoImpl) o;
+
+ return (nodeId.equals(that.nodeId) &&
+ nodeII.equals(that.nodeII) &&
+ version.equals(that.version) &&
+ datapathId.equals(that.datapathId));
+
+ }
+
+ @Override
+ public int hashCode() {
+ int result = nodeId.hashCode();
+ result = 31 * result + nodeII.hashCode();
+ result = 31 * result + version.hashCode();
+ result = 31 * result + datapathId.hashCode();
+ return result;
+ }
+
+ public void setOutboundQueueProvider(final OutboundQueue outboundQueueProvider) {
+ this.outboundQueueProvider = outboundQueueProvider;
+ }
+
+ @Override
+ public Long reserveXidForDeviceMessage() {
+ return outboundQueueProvider.reserveEntry();
+ }
+ }
}
Code Review / openflowplugin.git / blobdiff