opendaylight/commons/protocol-framework/src/test/java/org/opendaylight/protocol/framework/SimpleDispatcher.java

   1 /*
   2  * Copyright (c) 2013 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.protocol.framework;
   9
  10 import io.netty.channel.ChannelFuture;
  11 import io.netty.channel.ChannelOutboundHandler;
  12 import io.netty.channel.EventLoopGroup;
  13 import io.netty.channel.socket.SocketChannel;
  14 import io.netty.util.concurrent.Future;
  15 import io.netty.util.concurrent.Promise;
  16
  17 import java.net.InetSocketAddress;
  18
  19 import org.slf4j.Logger;
  20 import org.slf4j.LoggerFactory;
  21
  22 import com.google.common.base.Preconditions;
  23
  24 public class SimpleDispatcher extends AbstractDispatcher<SimpleSession, SimpleSessionListener> {
  25     private static final Logger logger = LoggerFactory.getLogger(SimpleDispatcher.class);
  26
  27     private final SessionNegotiatorFactory<SimpleMessage, SimpleSession, SimpleSessionListener> negotiatorFactory;
  28     private final ChannelOutboundHandler encoder = new SimpleMessageToByteEncoder();
  29
  30     private final class SimplePipelineInitializer implements PipelineInitializer<SimpleSession> {
  31         final SessionListenerFactory<SimpleSessionListener> listenerFactory;
  32
  33         SimplePipelineInitializer(final SessionListenerFactory<SimpleSessionListener> listenerFactory) {
  34             this.listenerFactory = Preconditions.checkNotNull(listenerFactory);
  35         }
  36
  37         @Override
  38         public void initializeChannel(final SocketChannel channel, final Promise<SimpleSession> promise) {
  39             channel.pipeline().addLast(new SimpleByteToMessageDecoder());
  40             channel.pipeline().addLast("negotiator", negotiatorFactory.getSessionNegotiator(listenerFactory, channel, promise));
  41             channel.pipeline().addLast(encoder);
  42             logger.debug("initialization completed for channel {}", channel);
  43         }
  44
  45     }
  46
  47     public SimpleDispatcher(final SessionNegotiatorFactory<SimpleMessage, SimpleSession, SimpleSessionListener> negotiatorFactory,
  48             final Promise<SimpleSession> promise, final EventLoopGroup eventLoopGroup) {
  49         super(eventLoopGroup, eventLoopGroup);
  50         this.negotiatorFactory = Preconditions.checkNotNull(negotiatorFactory);
  51     }
  52
  53     public Future<SimpleSession> createClient(final InetSocketAddress address, final ReconnectStrategy strategy, final SessionListenerFactory<SimpleSessionListener> listenerFactory) {
  54         return super.createClient(address, strategy, new SimplePipelineInitializer(listenerFactory));
  55     }
  56
  57     public ChannelFuture createServer(final InetSocketAddress address, final SessionListenerFactory<SimpleSessionListener> listenerFactory) {
  58         return super.createServer(address, new SimplePipelineInitializer(listenerFactory));
  59     }
  60
  61     @Override
  62     public void close() {
  63     }
  64 }