openflowplugin/src/main/java/org/opendaylight/openflowplugin/openflow/md/core/HandshakeStepWrapper.java

   1 /**
   2  * Copyright (c) 2013 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.openflow.md.core;
  10
  11 import org.opendaylight.openflowjava.protocol.api.connection.ConnectionAdapter;
  12 import org.opendaylight.openflowplugin.api.openflow.md.core.HandshakeManager;
  13 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.HelloMessage;
  14 import org.slf4j.Logger;
  15 import org.slf4j.LoggerFactory;
  16
  17 /**
  18  * @author mirehak
  19  *
  20  */
  21 public class HandshakeStepWrapper implements Runnable {
  22
  23     private static final Logger LOG = LoggerFactory
  24             .getLogger(HandshakeStepWrapper.class);
  25
  26     private HelloMessage helloMessage;
  27     private HandshakeManager handshakeManager;
  28     private ConnectionAdapter connectionAdapter;
  29
  30
  31
  32     /**
  33      * @param helloMessage initial hello message
  34      * @param handshakeManager connection handshake manager
  35      * @param connectionAdapter connection adaptor fro switch
  36      */
  37     public HandshakeStepWrapper(HelloMessage helloMessage,
  38             HandshakeManager handshakeManager, ConnectionAdapter connectionAdapter) {
  39         this.helloMessage = helloMessage;
  40         this.handshakeManager = handshakeManager;
  41         this.connectionAdapter = connectionAdapter;
  42     }
  43
  44     @Override
  45     public void run() {
  46         if (connectionAdapter.isAlive()) {
  47             handshakeManager.shake(helloMessage);
  48         } else {
  49             LOG.debug("connection is down - skipping handshake step");
  50         }
  51     }
  52
  53 }