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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2013-2014 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:
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* 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
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*/
// Portions Copyright [2016] [Payara Foundation]
package org.glassfish.grizzly.extras.spdy;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.glassfish.grizzly.Grizzly;
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.grizzly.spdy.SpdyVersion;
import org.glassfish.hk2.api.ServiceLocator;
import org.jvnet.hk2.annotations.ContractsProvided;
import org.jvnet.hk2.annotations.Service;
@Service(name="spdy")
@ContractsProvided({SpdyAddOnProvider.class, AddOn.class})
public class SpdyAddOnProvider implements AddOn, ConfigAwareElement {
/**
* The logger to use for logging messages.
*/
private static final Logger LOGGER =
Grizzly.logger(SpdyAddOnProvider.class);
private GlassFishSpdyAddOn spdyAddOn;
public SpdyAddOnProvider() {
}
@Override
public void configure(final ServiceLocator habitat,
final NetworkListener networkListener, final Spdy spdy) {
final SpdyMode spdyMode = (spdy.getMode() == null ||
"npn".equalsIgnoreCase(spdy.getMode())) ?
SpdyMode.NPN :
SpdyMode.PLAIN;
SpdyVersion[] spdyVersions = null;
final String strVersions = spdy.getVersions();
if (strVersions != null) {
final String[] strVersionsArray = strVersions.split(",");
final List tmpList =
new ArrayList(strVersionsArray.length);
for (String strVersion : strVersionsArray) {
final String trimmedVersion = strVersion.trim();
final SpdyVersion spdyVersion =
SpdyVersion.fromString(trimmedVersion);
if (spdyVersion != null) {
tmpList.add(spdyVersion);
} else {
LOGGER.log(Level.WARNING, "Spdy version {0} is not supported. Supported versions are: {1}",
new Object[]{trimmedVersion, Arrays.toString(SpdyVersion.values())});
}
}
if (!tmpList.isEmpty()) {
spdyVersions = tmpList.toArray(new SpdyVersion[tmpList.size()]);
}
}
if(spdyVersions != null && spdyVersions.length > 0) {
spdyAddOn = new GlassFishSpdyAddOn(spdyMode, spdyVersions);
} else {
spdyAddOn = new GlassFishSpdyAddOn(spdyMode);
}
spdyAddOn.setInitialWindowSize(Integer.getInteger(spdy.getInitialWindowSizeInBytes()));
spdyAddOn.setMaxConcurrentStreams(Integer.getInteger(spdy.getMaxConcurrentStreams()));
spdyAddOn.setMaxFrameLength(Integer.getInteger(spdy.getMaxFrameLengthInBytes()));
}
@Override
public void setup(
final org.glassfish.grizzly.http.server.NetworkListener networkListener,
final FilterChainBuilder builder) {
spdyAddOn.setup(networkListener, builder);
}
private static class GlassFishSpdyAddOn extends SpdyAddOn {
private FilterChainBuilder filterChainBuilder;
public GlassFishSpdyAddOn(final SpdyMode mode) {
super(mode);
}
public GlassFishSpdyAddOn(final SpdyMode mode,
final SpdyVersion... supportedSpdyVersions) {
super(mode, supportedSpdyVersions);
}
@Override
public void setup(
final org.glassfish.grizzly.http.server.NetworkListener networkListener,
FilterChainBuilder builder) {
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(final 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(), supportedSpdyVersions));
}
} // END SpdyTransportProbe
}
}