/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package org.glassfish.grizzly.extras.spdy;
import org.glassfish.grizzly.Transport;
import org.glassfish.grizzly.TransportProbe;
import org.glassfish.grizzly.config.ConfigAwareElement;
import org.glassfish.grizzly.config.dom.NetworkListener;
import org.glassfish.grizzly.config.dom.Spdy;
import org.glassfish.grizzly.filterchain.FilterChain;
import org.glassfish.grizzly.filterchain.FilterChainBuilder;
import org.glassfish.grizzly.http.server.AddOn;
import org.glassfish.grizzly.spdy.NextProtoNegSupport;
import org.glassfish.grizzly.spdy.SpdyAddOn;
import org.glassfish.grizzly.spdy.SpdyMode;
import org.glassfish.hk2.api.ServiceLocator;
import org.jvnet.hk2.annotations.ContractsProvided;
import org.jvnet.hk2.annotations.Service;
@Service(name="spdy-npn")
@ContractsProvided({SpdyNpnAddOnProvider.class, AddOn.class})
public class SpdyNpnAddOnProvider extends SpdyAddOn implements ConfigAwareElement<Spdy> {
private FilterChainBuilder filterChainBuilder;
public SpdyNpnAddOnProvider() {
super(SpdyMode.NPN);
}
@Override
public void configure(final ServiceLocator habitat,
final NetworkListener networkListener, final Spdy spdy) {
setInitialWindowSize(spdy.getInitialWindowSizeInBytes());
setMaxConcurrentStreams(spdy.getMaxConcurrentStreams());
setMaxFrameLength(spdy.getMaxFrameLengthInBytes());
}
@Override
public void setup(
final org.glassfish.grizzly.http.server.NetworkListener networkListener,
final FilterChainBuilder builder) {
this.filterChainBuilder = builder;
super.setup(networkListener, builder);
}
@Override
protected TransportProbe getConfigProbe() {
return new SpdyNpnConfigProbe(filterChainBuilder);
}
// ---------------------------------------------------------- Nested Classes
private final class SpdyNpnConfigProbe extends TransportProbe.Adapter {
private final FilterChainBuilder filterChainBuilder;
public SpdyNpnConfigProbe(FilterChainBuilder filterChainBuilder) {
this.filterChainBuilder = filterChainBuilder;
}
// ----------------------------------------- Methods from TransportProbe
@Override
public void onBeforeStartEvent(Transport transport) {
final FilterChain dummyTransportFilterChain = filterChainBuilder.build();
FilterChainBuilder builder = FilterChainBuilder.stateless();
for (int i = 0, len = dummyTransportFilterChain.size(); i < len; i++) {
builder.add(dummyTransportFilterChain.get(i));
}
updateFilterChain(SpdyMode.NPN, builder);
NextProtoNegSupport.getInstance().setServerSideNegotiator(transport,
new ProtocolNegotiator(builder.build()));
}
} // END SpdyTransportProbe
}