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/*******************************************************************************
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*Copyright (c) 2009 Eucalyptus Systems, Inc.
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, only version 3 of the License.
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* This file is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* You should have received a copy of the GNU General Public License along
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* with this program. If not, see <http://www.gnu.org/licenses/>.
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* Please contact Eucalyptus Systems, Inc., 130 Castilian
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* Dr., Goleta, CA 93101 USA or visit <http://www.eucalyptus.com/licenses/>
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* if you need additional information or have any questions.
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* This file may incorporate work covered under the following copyright and
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* Software License Agreement (BSD License)
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* Copyright (c) 2008, Regents of the University of California
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* All rights reserved.
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* Redistribution and use of this software in source and binary forms, with
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* or without modification, are permitted provided that the following
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* Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
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* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. USERS OF
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* THIS SOFTWARE ACKNOWLEDGE THE POSSIBLE PRESENCE OF OTHER OPEN SOURCE
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* LICENSED MATERIAL, COPYRIGHTED MATERIAL OR PATENTED MATERIAL IN THIS
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* SOFTWARE, AND IF ANY SUCH MATERIAL IS DISCOVERED THE PARTY DISCOVERING
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* IT MAY INFORM DR. RICH WOLSKI AT THE UNIVERSITY OF CALIFORNIA, SANTA
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* BARBARA WHO WILL THEN ASCERTAIN THE MOST APPROPRIATE REMEDY, WHICH IN
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* THE REGENTS’ DISCRETION MAY INCLUDE, WITHOUT LIMITATION, REPLACEMENT
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* OF THE CODE SO IDENTIFIED, LICENSING OF THE CODE SO IDENTIFIED, OR
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* WITHDRAWAL OF THE CODE CAPABILITY TO THE EXTENT NEEDED TO COMPLY WITH
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* ANY SUCH LICENSES OR RIGHTS.
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*******************************************************************************/
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* Author: chris grzegorczyk <grze@eucalyptus.com>
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package com.eucalyptus.ws.client;
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import java.net.InetSocketAddress;
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import org.apache.log4j.Logger;
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import org.jboss.netty.channel.Channel;
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import org.jboss.netty.channel.ChannelFuture;
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import org.jboss.netty.channel.ChannelFutureListener;
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import org.jboss.netty.channel.Channels;
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import org.jboss.netty.handler.codec.http.HttpMethod;
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import org.jboss.netty.handler.codec.http.HttpRequest;
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import org.jboss.netty.handler.codec.http.HttpVersion;
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import com.eucalyptus.http.MappingHttpRequest;
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import com.eucalyptus.ws.Client;
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import com.eucalyptus.ws.client.pipeline.NioClientPipeline;
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import com.eucalyptus.ws.handlers.ResponseHandler;
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import com.eucalyptus.ws.util.ChannelUtil;
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import edu.ucsb.eucalyptus.msgs.BaseMessage;
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public class NioClient implements Client {
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private static Logger LOG = Logger.getLogger( NioClient.class );
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private NioBootstrap clientBootstrap;
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private String hostname;
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private String servicePath;
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private InetSocketAddress remoteAddr;
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private ResponseHandler responseHandler;
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private ChannelFuture connectFuture;
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public NioClient( String hostname, int port, String servicePath, NioClientPipeline clientPipeline ) {
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this.clientBootstrap = ChannelUtil.getClientBootstrap( clientPipeline );
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this.remoteAddr = new InetSocketAddress( hostname, port );
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this.hostname = hostname;
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this.servicePath = servicePath;
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this.responseHandler = clientPipeline.getHandler( );
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this.connectFuture = this.clientBootstrap.connect( this.remoteAddr );
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public void write( HttpRequest httpRequest ) throws Exception {
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this.connectFuture.addListener( ChannelUtil.WRITE( httpRequest ) );
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public BaseMessage send( final BaseMessage msg ) throws Exception {
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HttpRequest request = new MappingHttpRequest( HttpVersion.HTTP_1_1, HttpMethod.POST, this.hostname, this.port, this.servicePath, msg );
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this.write( request );
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BaseMessage response = this.responseHandler.getResponse();
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public void dispatch( final BaseMessage msg ) throws Exception {
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HttpRequest request = new MappingHttpRequest( HttpVersion.HTTP_1_1, HttpMethod.POST, this.hostname, this.port, this.servicePath, msg );
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this.write( request );
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BaseMessage response = this.responseHandler.getResponse();
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public String getUri() {
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return "http://"+this.hostname+":"+this.port+(servicePath.startsWith( "/" )?"":"?")+servicePath;
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public String getHostname( ) {
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public int getPort( ) {
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public String getServicePath( ) {