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 package org.opendaylight.openflowplugin.impl.connection;
   9
  10 import java.net.InetAddress;
  11 import java.util.concurrent.ExecutorService;
  12 import org.opendaylight.openflowjava.protocol.api.connection.ConnectionAdapter;
  13 import org.opendaylight.openflowjava.protocol.api.connection.ConnectionReadyListener;
  14 import org.opendaylight.openflowplugin.api.OFConstants;
  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.HandshakeListener;
  21 import org.opendaylight.openflowplugin.api.openflow.md.core.HandshakeManager;
  22 import org.opendaylight.openflowplugin.impl.common.DeviceConnectionRateLimiter;
  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 final DeviceConnectionRateLimiter deviceConnectionRateLimiter;
  41     private DeviceDisconnectedHandler deviceDisconnectedHandler;
  42
  43     public ConnectionManagerImpl(final OpenflowProviderConfig config, final ExecutorService executorService) {
  44         this.config = config;
  45         this.executorService = executorService;
  46         this.deviceConnectionRateLimiter = new DeviceConnectionRateLimiter(config);
  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         connectionContext.setDeviceDisconnectedHandler(this.deviceDisconnectedHandler);
  54
  55         HandshakeListener handshakeListener = new HandshakeListenerImpl(connectionContext, deviceConnectedHandler);
  56         final HandshakeManager handshakeManager = createHandshakeManager(connectionAdapter, handshakeListener);
  57
  58         LOG.trace("prepare handshake context");
  59         HandshakeContext handshakeContext = new HandshakeContextImpl(executorService, handshakeManager);
  60         handshakeListener.setHandshakeContext(handshakeContext);
  61         connectionContext.setHandshakeContext(handshakeContext);
  62
  63         LOG.trace("prepare connection listeners");
  64         final ConnectionReadyListener connectionReadyListener = new ConnectionReadyListenerImpl(
  65                 connectionContext, handshakeContext);
  66         connectionAdapter.setConnectionReadyListener(connectionReadyListener);
  67
  68         final OpenflowProtocolListener ofMessageListener =
  69                 new OpenflowProtocolListenerInitialImpl(connectionContext, handshakeContext);
  70         connectionAdapter.setMessageListener(ofMessageListener);
  71
  72         final SystemNotificationsListener systemListener = new SystemNotificationsListenerImpl(
  73                 connectionContext, config.getEchoReplyTimeout().getValue().toJava(), executorService);
  74         connectionAdapter.setSystemListener(systemListener);
  75
  76         LOG.trace("connection ballet finished");
  77     }
  78
  79     private HandshakeManager createHandshakeManager(final ConnectionAdapter connectionAdapter,
  80                                                     final HandshakeListener handshakeListener) {
  81         HandshakeManagerImpl handshakeManager = new HandshakeManagerImpl(connectionAdapter,
  82                 OFConstants.VERSION_ORDER.get(0),
  83                 OFConstants.VERSION_ORDER, new ErrorHandlerSimpleImpl(), handshakeListener, BITMAP_NEGOTIATION_ENABLED,
  84                 deviceConnectionRateLimiter);
  85
  86         return handshakeManager;
  87     }
  88
  89     @Override
  90     public boolean accept(final InetAddress switchAddress) {
  91         // TODO add connection accept logic based on address
  92         return true;
  93     }
  94
  95     @Override
  96     public void setDeviceConnectedHandler(final DeviceConnectedHandler deviceConnectedHandler) {
  97         this.deviceConnectedHandler = deviceConnectedHandler;
  98     }
  99
 100     @Override
 101     public void setDeviceDisconnectedHandler(final DeviceDisconnectedHandler deviceDisconnectedHandler) {
 102         this.deviceDisconnectedHandler = deviceDisconnectedHandler;
 103     }
 104 }