/*************************************************************************
* Copyright 2009-2013 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.
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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*
* 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.
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* AND IF ANY SUCH MATERIAL IS DISCOVERED THE PARTY DISCOVERING
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************************************************************************/
package com.eucalyptus.objectstorage.pipeline.binding;
import java.util.Map;
import org.apache.log4j.Logger;
import org.jboss.netty.buffer.ChannelBuffer;
import org.jboss.netty.channel.ChannelEvent;
import org.jboss.netty.channel.ChannelHandlerContext;
import org.jboss.netty.channel.Channels;
import org.jboss.netty.channel.MessageEvent;
import org.jboss.netty.channel.UpstreamMessageEvent;
import org.jboss.netty.handler.codec.http.DefaultHttpChunk;
import org.jboss.netty.handler.codec.http.HttpMethod;
import com.eucalyptus.http.MappingHttpRequest;
import com.eucalyptus.objectstorage.msgs.ObjectStorageDataRequestType;
import com.eucalyptus.objectstorage.util.ObjectStorageProperties;
import com.eucalyptus.util.LogUtil;
import com.google.common.collect.Maps;
public class ObjectStorageFormPOSTBinding extends ObjectStorageRESTBinding {
private static Logger LOG = Logger.getLogger(ObjectStorageFormPOSTBinding.class);
private static final Map<String, String> SUPPORTED_OPS = Maps.newHashMap();
static {
SUPPORTED_OPS.put(BUCKET + HttpMethod.POST.toString(), "PostObject");
}
private static final Map<String, String> UNSUPPORTED_OPS = Maps.newHashMap();
static {
}
@Override
protected Map<String, String> populateOperationMap() {
return SUPPORTED_OPS;
}
@Override
protected Map<String, String> populateUnsupportedOperationMap() {
return UNSUPPORTED_OPS;
}
@Override
public void handleUpstream(final ChannelHandlerContext channelHandlerContext, final ChannelEvent channelEvent) throws Exception {
LOG.trace(LogUtil.dumpObject(channelEvent));
UpstreamMessageEvent firstChunkEvent = null;
DefaultHttpChunk firstChunk = null;
if (channelEvent instanceof MessageEvent) {
// Grab the chunk data from the form field if it is found.
final MessageEvent msgEvent = (MessageEvent) channelEvent;
try {
if (msgEvent.getMessage() instanceof MappingHttpRequest) {
// Get first chunk data here
MappingHttpRequest request = (MappingHttpRequest) msgEvent.getMessage();
if (request.getFormFields() != null
&& request.getFormFields().get(ObjectStorageProperties.FormField.x_ignore_firstdatachunk.toString()) != null) {
firstChunk = new DefaultHttpChunk(
(ChannelBuffer) request.getFormFields().get(ObjectStorageProperties.FormField.x_ignore_firstdatachunk.toString()));
if (request.isChunked()) {
firstChunkEvent = new UpstreamMessageEvent(channelHandlerContext.getChannel(), firstChunk, msgEvent.getRemoteAddress());
}
}
}
// Do the binding
this.incomingMessage(channelHandlerContext, msgEvent);
// Handle the first data chunk properly
if (firstChunkEvent == null && firstChunk != null && msgEvent.getMessage() instanceof MappingHttpRequest
&& ((MappingHttpRequest) msgEvent.getMessage()).getMessage() instanceof ObjectStorageDataRequestType) {
ObjectStorageDataRequestType dataReq = (ObjectStorageDataRequestType) ((MappingHttpRequest) msgEvent.getMessage()).getMessage();
handleData(dataReq, firstChunk.getContent());
}
} catch (Exception e) {
LOG.error("Error in POST multipart form binding", e);
Channels.fireExceptionCaught(channelHandlerContext, e);
return;
}
}
// Send the bound message up
channelHandlerContext.sendUpstream(channelEvent);
// Follow immediately with first data chunk
if (firstChunkEvent != null) {
LOG.trace("Dispatching follow-up chunk directly after initial request. Size: " + firstChunk.getContent().readableBytes());
channelHandlerContext.sendUpstream(firstChunkEvent);
}
}
}