/*************************************************************************
* Copyright 2009-2012 Eucalyptus Systems, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 3 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see http://www.gnu.org/licenses/.
*
* Please contact Eucalyptus Systems, Inc., 6755 Hollister Ave., Goleta
* CA 93117, USA or visit http://www.eucalyptus.com/licenses/ if you need
* additional information or have any questions.
*
* This file may incorporate work covered under the following copyright
* and permission notice:
*
* Software License Agreement (BSD License)
*
* Copyright (c) 2008, Regents of the University of California
* All rights reserved.
*
* Redistribution and use of this software in source and binary forms,
* with or without modification, are permitted provided that the
* following conditions are met:
*
* Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* POSSIBILITY OF SUCH DAMAGE. USERS OF THIS SOFTWARE ACKNOWLEDGE
* THE POSSIBLE PRESENCE OF OTHER OPEN SOURCE LICENSED MATERIAL,
* COPYRIGHTED MATERIAL OR PATENTED MATERIAL IN THIS SOFTWARE,
* AND IF ANY SUCH MATERIAL IS DISCOVERED THE PARTY DISCOVERING
* IT MAY INFORM DR. RICH WOLSKI AT THE UNIVERSITY OF CALIFORNIA,
* SANTA BARBARA WHO WILL THEN ASCERTAIN THE MOST APPROPRIATE REMEDY,
* WHICH IN THE REGENTS' DISCRETION MAY INCLUDE, WITHOUT LIMITATION,
* REPLACEMENT OF THE CODE SO IDENTIFIED, LICENSING OF THE CODE SO
* IDENTIFIED, OR WITHDRAWAL OF THE CODE CAPABILITY TO THE EXTENT
* NEEDED TO COMPLY WITH ANY SUCH LICENSES OR RIGHTS.
************************************************************************/
package com.eucalyptus.cluster.proxy.ws;
import java.util.concurrent.TimeUnit;
import com.eucalyptus.cluster.proxy.ProxyClusterController;
import com.eucalyptus.cluster.proxy.ProxyClusterConfigurations;
import com.eucalyptus.component.annotation.ComponentPart;
import com.eucalyptus.util.async.AsyncRequestPoolable;
import com.eucalyptus.ws.IoHandlers;
import com.eucalyptus.ws.client.MonitoredSocketChannelInitializer;
import com.google.common.base.Supplier;
import com.google.common.base.Suppliers;
import io.netty.channel.ChannelHandler;
import io.netty.channel.ChannelPipeline;
import io.netty.channel.socket.SocketChannel;
@ComponentPart( ProxyClusterController.class )
public final class ProxyClusterClientChannelInitializer extends MonitoredSocketChannelInitializer implements AsyncRequestPoolable {
private static final Supplier<ChannelHandler> wsSecHandler = Suppliers.memoize( ProxyClusterWsSecHandler::new );
private static final Supplier<Integer> poolSize = Suppliers.memoizeWithExpiration(
ProxyClusterClientChannelInitializer::getRequestWorkers,
30,
TimeUnit.SECONDS
);
@Override
protected void initChannel( final SocketChannel socketChannel ) throws Exception {
super.initChannel( socketChannel );
final ChannelPipeline pipeline = socketChannel.pipeline( );
pipeline.addLast( "decoder", IoHandlers.httpResponseDecoder( ) );
pipeline.addLast( "aggregator", IoHandlers.newHttpChunkAggregator( ) );
pipeline.addLast( "encoder", IoHandlers.httpRequestEncoder( ) );
pipeline.addLast( "wrapper", IoHandlers.ioMessageWrappingHandler( ) );
pipeline.addLast( "serializer", IoHandlers.soapMarshalling( ) );
pipeline.addLast( "wssec", wsSecHandler.get( ) );
pipeline.addLast( "addressing", IoHandlers.addressingHandler( "EucalyptusCC#" ) );
pipeline.addLast( "soap", IoHandlers.soapHandler( ) );
pipeline.addLast( "binding", IoHandlers.bindingHandler( "eucalyptus_ucsb_edu" ) );
}
@Override
public int fixedSize( ) {
return poolSize.get( );
}
private static int getRequestWorkers( ) {
try {
return ProxyClusterConfigurations.getConfiguration( ).getRequestWorkers( );
} catch ( Exception e ) {
return -1;
}
}
}