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//
// ========================================================================
// Copyright (c) 1995-2015 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.rhttp.client;
import java.io.IOException;
import org.apache.http.client.HttpClient;
/**
* @version $Revision$ $Date$
*/
public class RetryingApacheClient extends ApacheClient
{
public RetryingApacheClient(HttpClient httpClient, String gatewayURI, String targetId)
{
super(httpClient, gatewayURI, targetId);
addClientListener(new RetryClientListener());
}
@Override
protected void syncHandshake() throws IOException
{
while (true)
{
try
{
super.syncHandshake();
break;
}
catch (IOException x)
{
getLogger().debug("Handshake failed, backing off and retrying");
try
{
Thread.sleep(1000);
}
catch (InterruptedException xx)
{
throw (IOException)new IOException().initCause(xx);
}
}
}
}
private class RetryClientListener implements ClientListener
{
public void connectRequired()
{
getLogger().debug("Connect requested by server");
try
{
connect();
}
catch (IOException x)
{
// The connect() method is retried, so if it fails, it's a hard failure
getLogger().debug("Connect failed after server required connect, giving up");
}
}
public void connectClosed()
{
connectException();
}
public void connectException()
{
getLogger().debug("Connect failed, backing off and retrying");
try
{
Thread.sleep(1000);
asyncConnect();
}
catch (InterruptedException x)
{
// Ignore and stop retrying
Thread.currentThread().interrupt();
}
}
public void deliverException(RHTTPResponse response)
{
getLogger().debug("Deliver failed, backing off and retrying");
try
{
Thread.sleep(1000);
asyncDeliver(response);
}
catch (InterruptedException x)
{
// Ignore and stop retrying
Thread.currentThread().interrupt();
}
}
}
}
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