openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/connection/listener/HandshakeListenerImpl.java

   1 /**
   2  * Copyright (c) 2015 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.openflowplugin.impl.connection.listener;
  10
  11 import org.opendaylight.openflowplugin.api.openflow.connection.ConnectionContext;
  12 import org.opendaylight.openflowplugin.api.openflow.connection.HandshakeContext;
  13 import org.opendaylight.openflowplugin.api.openflow.device.handlers.DeviceConnectedHandler;
  14 import org.opendaylight.openflowplugin.api.openflow.md.core.HandshakeListener;
  15 import org.opendaylight.openflowplugin.impl.statistics.ofpspecific.SessionStatistics;
  16 import org.opendaylight.openflowplugin.openflow.md.util.InventoryDataServiceUtil;
  17 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.GetFeaturesOutput;
  18 import org.slf4j.Logger;
  19 import org.slf4j.LoggerFactory;
  20
  21 /**
  22  *
  23  */
  24 public class HandshakeListenerImpl implements HandshakeListener {
  25
  26     private static final Logger LOG = LoggerFactory.getLogger(HandshakeListenerImpl.class);
  27
  28     private ConnectionContext connectionContext;
  29     private DeviceConnectedHandler deviceConnectedHandler;
  30     private HandshakeContext handshakeContext;
  31
  32     /**
  33      * @param connectionContext
  34      * @param deviceConnectedHandler
  35      */
  36     public HandshakeListenerImpl(ConnectionContext connectionContext, DeviceConnectedHandler deviceConnectedHandler) {
  37         this.connectionContext = connectionContext;
  38         this.deviceConnectedHandler = deviceConnectedHandler;
  39     }
  40
  41     @Override
  42     public void onHandshakeSuccessfull(GetFeaturesOutput featureOutput, Short version) {
  43         LOG.debug("handshake succeeded: {}", connectionContext.getConnectionAdapter().getRemoteAddress());
  44         closeHandshakeContext();
  45         connectionContext.changeStateToWorking();
  46         connectionContext.setFeatures(featureOutput);
  47         connectionContext.setNodeId(InventoryDataServiceUtil.nodeIdFromDatapathId(featureOutput.getDatapathId()));
  48         deviceConnectedHandler.deviceConnected(connectionContext);
  49         SessionStatistics.countEvent(connectionContext.getNodeId().toString(), SessionStatistics.ConnectionStatus.CONNECTION_CREATED);
  50     }
  51
  52     @Override
  53     public void onHandshakeFailure() {
  54         LOG.debug("handshake failed: {}", connectionContext.getConnectionAdapter().getRemoteAddress());
  55         closeHandshakeContext();
  56         connectionContext.closeConnection(false);
  57     }
  58
  59     private void closeHandshakeContext() {
  60         try {
  61             handshakeContext.close();
  62         } catch (Exception e) {
  63             LOG.warn("Closing handshake context failed: {}", e.getMessage());
  64             LOG.debug("Detail in hanshake context close:", e);
  65         }
  66     }
  67
  68     @Override
  69     public void setHandshakeContext(HandshakeContext handshakeContext) {
  70         this.handshakeContext = handshakeContext;
  71     }
  72 }