openflowplugin-impl/src/main/java/org/opendaylight/openflowplugin/impl/connection/ConnectionManagerImpl.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;
  10
  11 import java.net.InetAddress;
  12 import java.util.concurrent.ThreadPoolExecutor;
  13 import org.opendaylight.openflowjava.protocol.api.connection.ConnectionAdapter;
  14 import org.opendaylight.openflowjava.protocol.api.connection.ConnectionReadyListener;
  15 import org.opendaylight.openflowplugin.api.openflow.connection.ConnectionContext;
  16 import org.opendaylight.openflowplugin.api.openflow.connection.ConnectionManager;
  17 import org.opendaylight.openflowplugin.api.openflow.connection.HandshakeContext;
  18 import org.opendaylight.openflowplugin.api.openflow.device.handlers.DeviceConnectedHandler;
  19 import org.opendaylight.openflowplugin.api.openflow.md.core.ConnectionConductor;
  20 import org.opendaylight.openflowplugin.api.openflow.md.core.HandshakeListener;
  21 import org.opendaylight.openflowplugin.api.openflow.md.core.HandshakeManager;
  22 import org.opendaylight.openflowplugin.impl.connection.listener.ConnectionReadyListenerImpl;
  23 import org.opendaylight.openflowplugin.impl.connection.listener.HandshakeListenerImpl;
  24 import org.opendaylight.openflowplugin.impl.connection.listener.OpenflowProtocolListenerInitialImpl;
  25 import org.opendaylight.openflowplugin.impl.connection.listener.SystemNotificationsListenerImpl;
  26 import org.opendaylight.openflowplugin.openflow.md.core.ErrorHandlerSimpleImpl;
  27 import org.opendaylight.openflowplugin.openflow.md.core.HandshakeManagerImpl;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.OpenflowProtocolListener;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.system.rev130927.SystemNotificationsListener;
  30 import org.slf4j.Logger;
  31 import org.slf4j.LoggerFactory;
  32
  33 /**
  34  *
  35  */
  36 public class ConnectionManagerImpl implements ConnectionManager {
  37
  38     private static final Logger LOG = LoggerFactory.getLogger(ConnectionManagerImpl.class);
  39     private static final boolean BITMAP_NEGOTIATION_ENABLED = true;
  40     private DeviceConnectedHandler deviceConnectedHandler;
  41     private long echoReplyTimeout;
  42     private final ThreadPoolExecutor threadPool;
  43
  44     public ConnectionManagerImpl(long echoReplyTimeout, final ThreadPoolExecutor threadPool) {
  45         this.echoReplyTimeout = echoReplyTimeout;
  46         this.threadPool = threadPool;
  47     }
  48
  49     @Override
  50     public void onSwitchConnected(final ConnectionAdapter connectionAdapter) {
  51         LOG.trace("prepare connection context");
  52         final ConnectionContext connectionContext = new ConnectionContextImpl(connectionAdapter);
  53
  54         HandshakeListener handshakeListener = new HandshakeListenerImpl(connectionContext, deviceConnectedHandler);
  55         final HandshakeManager handshakeManager = createHandshakeManager(connectionAdapter, handshakeListener);
  56
  57         LOG.trace("prepare handshake context");
  58         HandshakeContext handshakeContext = new HandshakeContextImpl(threadPool, handshakeManager);
  59         handshakeListener.setHandshakeContext(handshakeContext);
  60         connectionContext.setHandshakeContext(handshakeContext);
  61
  62         LOG.trace("prepare connection listeners");
  63         final ConnectionReadyListener connectionReadyListener = new ConnectionReadyListenerImpl(
  64                 connectionContext, handshakeContext);
  65         connectionAdapter.setConnectionReadyListener(connectionReadyListener);
  66
  67         final OpenflowProtocolListener ofMessageListener =
  68                 new OpenflowProtocolListenerInitialImpl(connectionContext, handshakeContext);
  69         connectionAdapter.setMessageListener(ofMessageListener);
  70
  71         final SystemNotificationsListener systemListener = new SystemNotificationsListenerImpl(connectionContext, echoReplyTimeout, threadPool);
  72         connectionAdapter.setSystemListener(systemListener);
  73
  74         LOG.trace("connection ballet finished");
  75     }
  76
  77     /**
  78      * @param connectionAdapter
  79      * @param handshakeListener
  80      * @return
  81      */
  82     private HandshakeManager createHandshakeManager(final ConnectionAdapter connectionAdapter,
  83                                                     final HandshakeListener handshakeListener) {
  84         HandshakeManagerImpl handshakeManager = new HandshakeManagerImpl(connectionAdapter,
  85                 ConnectionConductor.versionOrder.get(0),
  86                 ConnectionConductor.versionOrder);
  87         handshakeManager.setUseVersionBitmap(BITMAP_NEGOTIATION_ENABLED);
  88         handshakeManager.setHandshakeListener(handshakeListener);
  89         handshakeManager.setErrorHandler(new ErrorHandlerSimpleImpl());
  90
  91         return handshakeManager;
  92     }
  93
  94     @Override
  95     public boolean accept(final InetAddress switchAddress) {
  96         // TODO add connection accept logic based on address
  97         return true;
  98     }
  99
 100     @Override
 101     public void setDeviceConnectedHandler(final DeviceConnectedHandler deviceConnectedHandler) {
 102         this.deviceConnectedHandler = deviceConnectedHandler;
 103     }
 104
 105     public void setEchoReplyTimeout(long echoReplyTimeout){
 106         this.echoReplyTimeout = echoReplyTimeout;
 107     }
 108 }