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
9 package org.opendaylight.openflowplugin.impl.connection;
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;
36 public class ConnectionManagerImpl implements ConnectionManager {
38 private static final Logger LOG = LoggerFactory.getLogger(ConnectionManagerImpl.class);
39 private static final int HELLO_LIMIT = 20;
40 private final boolean bitmapNegotiationEnabled = true;
41 private DeviceConnectedHandler deviceConnectedHandler;
42 private final long echoReplyTimeout;
43 private final ThreadPoolExecutor threadPool;
45 public ConnectionManagerImpl(long echoReplyTimeout, final ThreadPoolExecutor threadPool) {
46 this.echoReplyTimeout = echoReplyTimeout;
47 this.threadPool = threadPool;
51 public void onSwitchConnected(final ConnectionAdapter connectionAdapter) {
52 LOG.trace("prepare connection context");
53 final ConnectionContext connectionContext = new ConnectionContextImpl(connectionAdapter);
55 HandshakeListener handshakeListener = new HandshakeListenerImpl(connectionContext, deviceConnectedHandler);
56 final HandshakeManager handshakeManager = createHandshakeManager(connectionAdapter, handshakeListener);
58 LOG.trace("prepare handshake context");
59 HandshakeContext handshakeContext = new HandshakeContextImpl(threadPool, handshakeManager);
60 handshakeListener.setHandshakeContext(handshakeContext);
61 connectionContext.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, echoReplyTimeout);
73 connectionAdapter.setSystemListener(systemListener);
75 LOG.trace("connection ballet finished");
79 * @param connectionAdapter
80 * @param handshakeListener
83 private HandshakeManager createHandshakeManager(final ConnectionAdapter connectionAdapter,
84 final HandshakeListener handshakeListener) {
85 HandshakeManagerImpl handshakeManager = new HandshakeManagerImpl(connectionAdapter,
86 ConnectionConductor.versionOrder.get(0),
87 ConnectionConductor.versionOrder);
88 handshakeManager.setUseVersionBitmap(isBitmapNegotiationEnabled());
89 handshakeManager.setHandshakeListener(handshakeListener);
90 handshakeManager.setErrorHandler(new ErrorHandlerSimpleImpl());
92 return handshakeManager;
96 * @return parameter dedicated to hello message content
98 public boolean isBitmapNegotiationEnabled() {
99 return bitmapNegotiationEnabled;
103 public boolean accept(final InetAddress switchAddress) {
104 // TODO add connection accept logic based on address
109 public void setDeviceConnectedHandler(final DeviceConnectedHandler deviceConnectedHandler) {
110 this.deviceConnectedHandler = deviceConnectedHandler;