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//
// ========================================================================
// Copyright (c) 1995-2016 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
//
// The Eclipse Public License is available at
// http://www.eclipse.org/legal/epl-v10.html
//
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
//
// You may elect to redistribute this code under either of these licenses.
// ========================================================================
//
package org.eclipse.jetty.client.http;
import org.eclipse.jetty.client.HttpChannel;
import org.eclipse.jetty.client.HttpExchange;
import org.eclipse.jetty.client.HttpReceiver;
import org.eclipse.jetty.client.HttpSender;
import org.eclipse.jetty.client.api.Response;
import org.eclipse.jetty.client.api.Result;
import org.eclipse.jetty.http.HttpFields;
import org.eclipse.jetty.http.HttpHeader;
import org.eclipse.jetty.http.HttpHeaderValue;
import org.eclipse.jetty.http.HttpMethod;
import org.eclipse.jetty.http.HttpVersion;
public class HttpChannelOverHTTP extends HttpChannel
{
private final HttpConnectionOverHTTP connection;
private final HttpSenderOverHTTP sender;
private final HttpReceiverOverHTTP receiver;
public HttpChannelOverHTTP(HttpConnectionOverHTTP connection)
{
super(connection.getHttpDestination());
this.connection = connection;
this.sender = newHttpSender();
this.receiver = newHttpReceiver();
}
protected HttpSenderOverHTTP newHttpSender()
{
return new HttpSenderOverHTTP(this);
}
protected HttpReceiverOverHTTP newHttpReceiver()
{
return new HttpReceiverOverHTTP(this);
}
@Override
protected HttpSender getHttpSender()
{
return sender;
}
@Override
protected HttpReceiver getHttpReceiver()
{
return receiver;
}
public HttpConnectionOverHTTP getHttpConnection()
{
return connection;
}
@Override
public void send()
{
HttpExchange exchange = getHttpExchange();
if (exchange != null)
sender.send(exchange);
}
@Override
public void release()
{
connection.release();
}
public void receive()
{
receiver.receive();
}
@Override
public void exchangeTerminated(HttpExchange exchange, Result result)
{
super.exchangeTerminated(exchange, result);
Response response = result.getResponse();
HttpFields responseHeaders = response.getHeaders();
String closeReason = null;
if (result.isFailed())
closeReason = "failure";
else if (receiver.isShutdown())
closeReason = "server close";
if (closeReason == null)
{
if (response.getVersion().compareTo(HttpVersion.HTTP_1_1) < 0)
{
// HTTP 1.0 must close the connection unless it has
// an explicit keep alive or it's a CONNECT method.
boolean keepAlive = responseHeaders.contains(HttpHeader.CONNECTION, HttpHeaderValue.KEEP_ALIVE.asString());
boolean connect = HttpMethod.CONNECT.is(exchange.getRequest().getMethod());
if (!keepAlive && !connect)
closeReason = "http/1.0";
}
else
{
// HTTP 1.1 or greater closes only if it has an explicit close.
if (responseHeaders.contains(HttpHeader.CONNECTION, HttpHeaderValue.CLOSE.asString()))
closeReason = "http/1.1";
}
}
if (closeReason != null)
{
if (LOG.isDebugEnabled())
LOG.debug("Closing, reason: {} - {}", closeReason, connection);
connection.close();
}
else
{
release();
}
}
@Override
public String toString()
{
return String.format("%s[send=%s,recv=%s]",
super.toString(),
sender,
receiver);
}
}
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