//
// ========================================================================
// Copyright (c) 1995-2014 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.http2.server;
import java.util.HashMap;
import java.util.Map;
import org.eclipse.jetty.http.MetaData;
import org.eclipse.jetty.http2.ErrorCodes;
import org.eclipse.jetty.http2.IStream;
import org.eclipse.jetty.http2.api.Session;
import org.eclipse.jetty.http2.api.Stream;
import org.eclipse.jetty.http2.api.server.ServerSessionListener;
import org.eclipse.jetty.http2.frames.DataFrame;
import org.eclipse.jetty.http2.frames.HeadersFrame;
import org.eclipse.jetty.http2.frames.PushPromiseFrame;
import org.eclipse.jetty.http2.frames.SettingsFrame;
import org.eclipse.jetty.http2.parser.ServerParser;
import org.eclipse.jetty.io.ByteBufferPool;
import org.eclipse.jetty.io.EndPoint;
import org.eclipse.jetty.server.Connector;
import org.eclipse.jetty.server.HttpConfiguration;
import org.eclipse.jetty.util.Callback;
import org.eclipse.jetty.util.annotation.Name;
import org.eclipse.jetty.util.log.Log;
import org.eclipse.jetty.util.log.Logger;
public class HTTP2ServerConnectionFactory extends AbstractHTTP2ServerConnectionFactory
{
private static final Logger LOG = Log.getLogger(HTTP2ServerConnectionFactory.class);
private final HttpConfiguration httpConfiguration;
public HTTP2ServerConnectionFactory(@Name("config") HttpConfiguration httpConfiguration)
{
this.httpConfiguration = httpConfiguration;
}
@Override
protected ServerSessionListener newSessionListener(Connector connector, EndPoint endPoint)
{
return new HTTPServerSessionListener(connector, httpConfiguration, endPoint);
}
@Override
protected ServerParser newServerParser(ByteBufferPool byteBufferPool, ServerParser.Listener listener)
{
return new ServerParser(byteBufferPool, listener, getMaxHeaderTableSize(), httpConfiguration.getRequestHeaderSize());
}
private class HTTPServerSessionListener extends ServerSessionListener.Adapter implements Stream.Listener
{
private final Connector connector;
private final HttpConfiguration httpConfiguration;
private final EndPoint endPoint;
public HTTPServerSessionListener(Connector connector, HttpConfiguration httpConfiguration, EndPoint endPoint)
{
this.connector = connector;
this.httpConfiguration = httpConfiguration;
this.endPoint = endPoint;
}
@Override
public Map<Integer, Integer> onPreface(Session session)
{
Map<Integer, Integer> settings = new HashMap<>();
settings.put(SettingsFrame.HEADER_TABLE_SIZE, getMaxHeaderTableSize());
settings.put(SettingsFrame.INITIAL_WINDOW_SIZE, getInitialStreamWindow());
int maxConcurrentStreams = getMaxConcurrentStreams();
if (maxConcurrentStreams >= 0)
settings.put(SettingsFrame.MAX_CONCURRENT_STREAMS, maxConcurrentStreams);
return settings;
}
@Override
public Stream.Listener onNewStream(Stream stream, HeadersFrame frame)
{
if (LOG.isDebugEnabled())
LOG.debug("Processing {} on {}", frame, stream);
MetaData.Request request = (MetaData.Request)frame.getMetaData();
HttpTransportOverHTTP2 transport = new HttpTransportOverHTTP2(connector, httpConfiguration, endPoint, (IStream)stream, request);
HttpInputOverHTTP2 input = new HttpInputOverHTTP2();
// TODO pool HttpChannels per connection - maybe associate with thread?
HttpChannelOverHTTP2 channel = new HttpChannelOverHTTP2(connector, httpConfiguration, endPoint, transport, input, stream);
stream.setAttribute(IStream.CHANNEL_ATTRIBUTE, channel);
channel.onRequest(frame);
return frame.isEndStream() ? null : this;
}
@Override
public void onHeaders(Stream stream, HeadersFrame frame)
{
// Servers do not receive responses.
close(stream, "response_headers");
}
@Override
public Stream.Listener onPush(Stream stream, PushPromiseFrame frame)
{
// Servers do not receive pushes.
close(stream, "push_promise");
return null;
}
@Override
public void onData(Stream stream, DataFrame frame, Callback callback)
{
if (LOG.isDebugEnabled())
LOG.debug("Processing {} on {}", frame, stream);
HttpChannelOverHTTP2 channel = (HttpChannelOverHTTP2)stream.getAttribute(IStream.CHANNEL_ATTRIBUTE);
channel.requestContent(frame, callback);
}
@Override
public void onFailure(Stream stream, Throwable x)
{
// TODO
}
private void close(Stream stream, String reason)
{
final Session session = stream.getSession();
session.close(ErrorCodes.PROTOCOL_ERROR, reason, Callback.Adapter.INSTANCE);
}
}
}