/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch licenses this file to you 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 org.elasticsearch.http.netty;
import org.elasticsearch.http.netty.pipelining.OrderedUpstreamMessageEvent;
import org.elasticsearch.rest.support.RestUtils;
import org.jboss.netty.channel.*;
import org.jboss.netty.handler.codec.http.HttpRequest;
import java.util.regex.Pattern;
/**
*
*/
@ChannelHandler.Sharable
public class HttpRequestHandler extends SimpleChannelUpstreamHandler {
private final NettyHttpServerTransport serverTransport;
private final Pattern corsPattern;
private final boolean httpPipeliningEnabled;
public HttpRequestHandler(NettyHttpServerTransport serverTransport) {
this.serverTransport = serverTransport;
this.corsPattern = RestUtils.getCorsSettingRegex(serverTransport.settings());
this.httpPipeliningEnabled = serverTransport.pipelining;
}
@Override
public void messageReceived(ChannelHandlerContext ctx, MessageEvent e) throws Exception {
HttpRequest request;
OrderedUpstreamMessageEvent oue = null;
if (this.httpPipeliningEnabled && e instanceof OrderedUpstreamMessageEvent) {
oue = (OrderedUpstreamMessageEvent) e;
request = (HttpRequest) oue.getMessage();
} else {
request = (HttpRequest) e.getMessage();
}
// the netty HTTP handling always copy over the buffer to its own buffer, either in NioWorker internally
// when reading, or using a cumalation buffer
NettyHttpRequest httpRequest = new NettyHttpRequest(request, e.getChannel());
if (oue != null) {
serverTransport.dispatchRequest(httpRequest, new NettyHttpChannel(serverTransport, httpRequest, corsPattern, oue));
} else {
serverTransport.dispatchRequest(httpRequest, new NettyHttpChannel(serverTransport, httpRequest, corsPattern));
}
super.messageReceived(ctx, e);
}
@Override
public void exceptionCaught(ChannelHandlerContext ctx, ExceptionEvent e) throws Exception {
serverTransport.exceptionCaught(ctx, e);
}
}