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.ExecutorService;
  13 import org.opendaylight.openflowjava.protocol.api.connection.ConnectionAdapter;
  14 import org.opendaylight.openflowjava.protocol.api.connection.ConnectionReadyListener;
  15 import org.opendaylight.openflowplugin.api.OFConstants;
  16 import org.opendaylight.openflowplugin.api.openflow.connection.ConnectionContext;
  17 import org.opendaylight.openflowplugin.api.openflow.connection.ConnectionManager;
  18 import org.opendaylight.openflowplugin.api.openflow.connection.HandshakeContext;
  19 import org.opendaylight.openflowplugin.api.openflow.device.handlers.DeviceConnectedHandler;
  20 import org.opendaylight.openflowplugin.api.openflow.device.handlers.DeviceDisconnectedHandler;
  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.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.OpenflowProtocolListener;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.system.rev130927.SystemNotificationsListener;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.openflow.provider.config.rev160510.OpenflowProviderConfig;
  30 import org.slf4j.Logger;
  31 import org.slf4j.LoggerFactory;
  32
  33 public class ConnectionManagerImpl implements ConnectionManager {
  34
  35     private static final Logger LOG = LoggerFactory.getLogger(ConnectionManagerImpl.class);
  36     private static final boolean BITMAP_NEGOTIATION_ENABLED = true;
  37     private DeviceConnectedHandler deviceConnectedHandler;
  38     private final OpenflowProviderConfig config;
  39     private final ExecutorService executorService;
  40     private DeviceDisconnectedHandler deviceDisconnectedHandler;
  41
  42     public ConnectionManagerImpl(final OpenflowProviderConfig config, final ExecutorService executorService) {
  43         this.config = config;
  44         this.executorService = executorService;
  45     }
  46
  47     @Override
  48     public void onSwitchConnected(final ConnectionAdapter connectionAdapter) {
  49         LOG.trace("prepare connection context");
  50         final ConnectionContext connectionContext = new ConnectionContextImpl(connectionAdapter);
  51         connectionContext.setDeviceDisconnectedHandler(this.deviceDisconnectedHandler);
  52
  53         HandshakeListener handshakeListener = new HandshakeListenerImpl(connectionContext, deviceConnectedHandler);
  54         final HandshakeManager handshakeManager = createHandshakeManager(connectionAdapter, handshakeListener);
  55
  56         LOG.trace("prepare handshake context");
  57         HandshakeContext handshakeContext = new HandshakeContextImpl(executorService, handshakeManager);
  58         handshakeListener.setHandshakeContext(handshakeContext);
  59         connectionContext.setHandshakeContext(handshakeContext);
  60
  61         LOG.trace("prepare connection listeners");
  62         final ConnectionReadyListener connectionReadyListener = new ConnectionReadyListenerImpl(
  63                 connectionContext, handshakeContext);
  64         connectionAdapter.setConnectionReadyListener(connectionReadyListener);
  65
  66         final OpenflowProtocolListener ofMessageListener =
  67                 new OpenflowProtocolListenerInitialImpl(connectionContext, handshakeContext);
  68         connectionAdapter.setMessageListener(ofMessageListener);
  69
  70         final SystemNotificationsListener systemListener = new SystemNotificationsListenerImpl(
  71                 connectionContext, config.getEchoReplyTimeout().getValue(), executorService);
  72         connectionAdapter.setSystemListener(systemListener);
  73
  74         LOG.trace("connection ballet finished");
  75     }
  76
  77     private HandshakeManager createHandshakeManager(final ConnectionAdapter connectionAdapter,
  78                                                     final HandshakeListener handshakeListener) {
  79         HandshakeManagerImpl handshakeManager = new HandshakeManagerImpl(connectionAdapter,
  80                 OFConstants.VERSION_ORDER.get(0),
  81                 OFConstants.VERSION_ORDER, new ErrorHandlerSimpleImpl(), handshakeListener, BITMAP_NEGOTIATION_ENABLED);
  82
  83         return handshakeManager;
  84     }
  85
  86     @Override
  87     public boolean accept(final InetAddress switchAddress) {
  88         // TODO add connection accept logic based on address
  89         return true;
  90     }
  91
  92     @Override
  93     public void setDeviceConnectedHandler(final DeviceConnectedHandler deviceConnectedHandler) {
  94         this.deviceConnectedHandler = deviceConnectedHandler;
  95     }
  96
  97     @Override
  98     public void setDeviceDisconnectedHandler(final DeviceDisconnectedHandler deviceDisconnectedHandler) {
  99         this.deviceDisconnectedHandler = deviceDisconnectedHandler;
 100     }
 101 }