2 * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
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
8 package org.opendaylight.openflowplugin.impl.connection;
10 import java.net.InetAddress;
11 import java.util.concurrent.ArrayBlockingQueue;
12 import java.util.concurrent.TimeUnit;
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.MessageHandler;
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.openflowplugin.openflow.md.core.ThreadPoolLoggingExecutor;
30 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.protocol.rev130731.OpenflowProtocolListener;
31 import org.opendaylight.yang.gen.v1.urn.opendaylight.openflow.system.rev130927.SystemNotificationsListener;
32 import org.slf4j.Logger;
33 import org.slf4j.LoggerFactory;
38 public class ConnectionManagerImpl implements ConnectionManager {
40 private static final Logger LOG = LoggerFactory.getLogger(ConnectionManagerImpl.class);
41 private static final int HELLO_LIMIT = 20;
42 private boolean bitmapNegotiationEnabled = true;
43 private DeviceConnectedHandler deviceConnectedHandler;
46 public void onSwitchConnected(final ConnectionAdapter connectionAdapter) {
47 LOG.trace("preparing handshake: {}", connectionAdapter.getRemoteAddress());
49 final int handshakeThreadLimit = 1; //TODO: move to constants/parametrize
50 final ThreadPoolLoggingExecutor handshakePool = createHandshakePool(
51 connectionAdapter.getRemoteAddress().toString(), handshakeThreadLimit);
53 LOG.trace("prepare connection context");
54 final ConnectionContext connectionContext = new ConnectionContextImpl(connectionAdapter);
56 HandshakeListener handshakeListener = new HandshakeListenerImpl(connectionContext, deviceConnectedHandler);
57 final HandshakeManager handshakeManager = createHandshakeManager(connectionAdapter, handshakeListener);
59 LOG.trace("prepare handshake context");
60 HandshakeContext handshakeContext = new HandshakeContextImpl(handshakePool, handshakeManager);
61 handshakeListener.setHandshakeContext(handshakeContext);
63 LOG.trace("prepare connection listeners");
64 final ConnectionReadyListener connectionReadyListener = new ConnectionReadyListenerImpl(
65 connectionContext, handshakeContext);
66 connectionAdapter.setConnectionReadyListener(connectionReadyListener);
68 final OpenflowProtocolListener ofMessageListener =
69 new OpenflowProtocolListenerInitialImpl(connectionContext, handshakeContext);
70 connectionAdapter.setMessageListener(ofMessageListener);
72 final SystemNotificationsListener systemListener = new SystemNotificationsListenerImpl(connectionContext);
73 connectionAdapter.setSystemListener(systemListener);
75 LOG.trace("connection ballet finished");
79 * @param connectionIdentifier
80 * @param handshakeThreadLimit
83 private static ThreadPoolLoggingExecutor createHandshakePool(
84 final String connectionIdentifier, int handshakeThreadLimit) {
85 return new ThreadPoolLoggingExecutor(handshakeThreadLimit,
86 handshakeThreadLimit, 0L, TimeUnit.MILLISECONDS,
87 new ArrayBlockingQueue<Runnable>(HELLO_LIMIT), "OFHandshake-" + connectionIdentifier);
91 * @param connectionAdapter
92 * @param handshakeListener
95 private HandshakeManager createHandshakeManager(final ConnectionAdapter connectionAdapter,
96 HandshakeListener handshakeListener) {
97 HandshakeManagerImpl handshakeManager = new HandshakeManagerImpl(connectionAdapter,
98 ConnectionConductor.versionOrder.get(0),
99 ConnectionConductor.versionOrder);
100 handshakeManager.setUseVersionBitmap(isBitmapNegotiationEnabled());
101 handshakeManager.setHandshakeListener(handshakeListener);
102 handshakeManager.setErrorHandler(new ErrorHandlerSimpleImpl());
104 return handshakeManager;
108 * @return parameter dedicated to hello message content
110 public boolean isBitmapNegotiationEnabled() {
111 return bitmapNegotiationEnabled ;
115 * @param bitmapNegotiationEnabled the bitmapNegotiationEnabled to set
117 public void setBitmapNegotiationEnabled(boolean bitmapNegotiationEnabled) {
118 this.bitmapNegotiationEnabled = bitmapNegotiationEnabled;
122 public boolean accept(InetAddress switchAddress) {
123 // TODO add connection accept logic based on address
128 public void setDeviceConnectedHandler(DeviceConnectedHandler deviceConnectedHandler) {
129 this.deviceConnectedHandler = deviceConnectedHandler;
133 public void setMessageHandler(MessageHandler arg0) {
134 // TODO Auto-generated method stub