RouterSocketServerHandler.java

/*
* Copyright 2009 VoidSearch.com
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/

package com.voidsearch.voidbase.storage.distributed.router.nio;

import org.jboss.netty.channel.*;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

@ChannelPipelineCoverage("all")
public class RouterSocketServerHandler extends SimpleChannelUpstreamHandler {
    private static final Logger logger = LoggerFactory.getLogger(RouterSocketServerHandler.class.getName());

    public void handleUpstream(ChannelHandlerContext ctx, ChannelEvent e) throws Exception {
        if (e instanceof ChannelStateEvent) {
            logger.debug(e.toString());
        }

        super.handleUpstream(ctx, e);
    }

    @Override
    public void channelConnected(ChannelHandlerContext ctx, ChannelStateEvent e) throws Exception {

    }

    @Override
    public void messageReceived(ChannelHandlerContext ctx, MessageEvent e) {
        boolean close = false;
        byte[] message = (byte[])e.getMessage();

        // and return serialized response ...
        ChannelFuture future = e.getChannel().write("asdasdsa");
        if (close) {
            future.addListener(ChannelFutureListener.CLOSE);
        }
    }

    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, ExceptionEvent e) {
        logger.error("Unexpected exception from downstream.", e.getCause());
        e.getChannel().close();
    }
}