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.device.handlers.DeviceDisconnectedHandler;
  20 import org.opendaylight.openflowplugin.api.openflow.md.core.ConnectionConductor;
  21 import org.opendaylight.openflowplugin.api.openflow.md.core.HandshakeListener;
  22 import org.opendaylight.openflowplugin.api.openflow.md.core.HandshakeManager;
  23 import org.opendaylight.openflowplugin.impl.connection.listener.ConnectionReadyListenerImpl;
  24 import org.opendaylight.openflowplugin.impl.connection.listener.HandshakeListenerImpl;
  25 import org.opendaylight.openflowplugin.impl.connection.listener.OpenflowProtocolListenerInitialImpl;
  26 import org.opendaylight.openflowplugin.impl.connection.listener.SystemNotificationsListenerImpl;
  27 import org.opendaylight.openflowplugin.openflow.md.core.ErrorHandlerSimpleImpl;
  28 import org.opendaylight.openflowplugin.openflow.md.core.HandshakeManagerImpl;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.OpenflowProtocolListener;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.system.rev130927.SystemNotificationsListener;
  31 import org.slf4j.Logger;
  32 import org.slf4j.LoggerFactory;
  33
  34 /**
  35  *
  36  */
  37 public class ConnectionManagerImpl implements ConnectionManager {
  38
  39     private static final Logger LOG = LoggerFactory.getLogger(ConnectionManagerImpl.class);
  40     private static final boolean BITMAP_NEGOTIATION_ENABLED = true;
  41     private DeviceConnectedHandler deviceConnectedHandler;
  42     private long echoReplyTimeout = 2000;
  43     private final ThreadPoolExecutor threadPool;
  44     private DeviceDisconnectedHandler deviceDisconnectedHandler;
  45
  46     public ConnectionManagerImpl(final ThreadPoolExecutor threadPool) {
  47         this.threadPool = threadPool;
  48     }
  49
  50     @Override
  51     public void onSwitchConnected(final ConnectionAdapter connectionAdapter) {
  52         LOG.trace("prepare connection context");
  53         final ConnectionContext connectionContext = new ConnectionContextImpl(connectionAdapter);
  54         connectionContext.setDeviceDisconnectedHandler(this.deviceDisconnectedHandler);
  55
  56         HandshakeListener handshakeListener = new HandshakeListenerImpl(connectionContext, deviceConnectedHandler);
  57         final HandshakeManager handshakeManager = createHandshakeManager(connectionAdapter, handshakeListener);
  58
  59         LOG.trace("prepare handshake context");
  60         HandshakeContext handshakeContext = new HandshakeContextImpl(threadPool, handshakeManager);
  61         handshakeListener.setHandshakeContext(handshakeContext);
  62         connectionContext.setHandshakeContext(handshakeContext);
  63
  64         LOG.trace("prepare connection listeners");
  65         final ConnectionReadyListener connectionReadyListener = new ConnectionReadyListenerImpl(
  66                 connectionContext, handshakeContext);
  67         connectionAdapter.setConnectionReadyListener(connectionReadyListener);
  68
  69         final OpenflowProtocolListener ofMessageListener =
  70                 new OpenflowProtocolListenerInitialImpl(connectionContext, handshakeContext);
  71         connectionAdapter.setMessageListener(ofMessageListener);
  72
  73         final SystemNotificationsListener systemListener = new SystemNotificationsListenerImpl(connectionContext, echoReplyTimeout, threadPool);
  74         connectionAdapter.setSystemListener(systemListener);
  75
  76         LOG.trace("connection ballet finished");
  77     }
  78
  79     /**
  80      * @param connectionAdapter
  81      * @param handshakeListener
  82      * @return
  83      */
  84     private HandshakeManager createHandshakeManager(final ConnectionAdapter connectionAdapter,
  85                                                     final HandshakeListener handshakeListener) {
  86         HandshakeManagerImpl handshakeManager = new HandshakeManagerImpl(connectionAdapter,
  87                 ConnectionConductor.VERSION_ORDER.get(0),
  88                 ConnectionConductor.VERSION_ORDER);
  89         handshakeManager.setUseVersionBitmap(BITMAP_NEGOTIATION_ENABLED);
  90         handshakeManager.setHandshakeListener(handshakeListener);
  91         handshakeManager.setErrorHandler(new ErrorHandlerSimpleImpl());
  92
  93         return handshakeManager;
  94     }
  95
  96     @Override
  97     public boolean accept(final InetAddress switchAddress) {
  98         // TODO add connection accept logic based on address
  99         return true;
 100     }
 101
 102     @Override
 103     public void setDeviceConnectedHandler(final DeviceConnectedHandler deviceConnectedHandler) {
 104         this.deviceConnectedHandler = deviceConnectedHandler;
 105     }
 106
 107     @Override
 108     public void setDeviceDisconnectedHandler(final DeviceDisconnectedHandler deviceDisconnectedHandler) {
 109         this.deviceDisconnectedHandler = deviceDisconnectedHandler;
 110     }
 111
 112     @Override
 113     public void setEchoReplyTimeout(long echoReplyTimeout){
 114         this.echoReplyTimeout = echoReplyTimeout;
 115     }
 116 }