/*
* JBoss, Home of Professional Open Source.
* Copyright 2014 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package io.undertow.server.protocol.spdy;
import io.undertow.UndertowMessages;
import io.undertow.UndertowOptions;
import io.undertow.conduits.BytesReceivedStreamSourceConduit;
import io.undertow.conduits.BytesSentStreamSinkConduit;
import io.undertow.protocols.spdy.SpdyChannel;
import io.undertow.server.ConnectorStatistics;
import io.undertow.server.ConnectorStatisticsImpl;
import io.undertow.server.DelegateOpenListener;
import io.undertow.server.HttpHandler;
import org.xnio.ChannelListener;
import org.xnio.OptionMap;
import org.xnio.Pool;
import org.xnio.Pooled;
import org.xnio.StreamConnection;
import java.nio.ByteBuffer;
/**
* Open listener for SPDY server
*
* @author <a href="mailto:david.lloyd@redhat.com">David M. Lloyd</a>
*/
public final class SpdyOpenListener implements ChannelListener<StreamConnection>, DelegateOpenListener {
public static final String SPDY_3_1 = "spdy/3.1";
private final Pool<ByteBuffer> bufferPool;
private final Pool<ByteBuffer> heapBufferPool;
private final int bufferSize;
private volatile HttpHandler rootHandler;
private volatile OptionMap undertowOptions;
private volatile boolean statisticsEnabled;
private final ConnectorStatisticsImpl connectorStatistics;
public SpdyOpenListener(final Pool<ByteBuffer> pool, final Pool<ByteBuffer> heapBufferPool) {
this(pool, heapBufferPool, OptionMap.EMPTY);
}
public SpdyOpenListener(final Pool<ByteBuffer> pool, final Pool<ByteBuffer> heapBufferPool, final OptionMap undertowOptions) {
this.undertowOptions = undertowOptions;
this.bufferPool = pool;
Pooled<ByteBuffer> buf = pool.allocate();
this.bufferSize = buf.getResource().remaining();
buf.free();
this.heapBufferPool = heapBufferPool;
Pooled<ByteBuffer> buff = heapBufferPool.allocate();
try {
if (!buff.getResource().hasArray()) {
throw UndertowMessages.MESSAGES.mustProvideHeapBuffer();
}
} finally {
buff.free();
}
connectorStatistics = new ConnectorStatisticsImpl();
statisticsEnabled = undertowOptions.get(UndertowOptions.ENABLE_CONNECTOR_STATISTICS, false);
}
@Override
public void handleEvent(StreamConnection channel) {
handleEvent(channel, null);
}
public void handleEvent(final StreamConnection channel, Pooled<ByteBuffer> buffer) {
//cool, we have a spdy connection.
SpdyChannel spdyChannel = new SpdyChannel(channel, bufferPool, buffer, heapBufferPool, false);
Integer idleTimeout = undertowOptions.get(UndertowOptions.IDLE_TIMEOUT);
if (idleTimeout != null && idleTimeout > 0) {
spdyChannel.setIdleTimeout(idleTimeout);
}
if(statisticsEnabled) {
channel.getSinkChannel().setConduit(new BytesSentStreamSinkConduit(channel.getSinkChannel().getConduit(), connectorStatistics.sentAccumulator()));
channel.getSourceChannel().setConduit(new BytesReceivedStreamSourceConduit(channel.getSourceChannel().getConduit(), connectorStatistics.receivedAccumulator()));
}
spdyChannel.getReceiveSetter().set(new SpdyReceiveListener(rootHandler, getUndertowOptions(), bufferSize, connectorStatistics));
spdyChannel.resumeReceives();
}
@Override
public HttpHandler getRootHandler() {
return rootHandler;
}
@Override
public void setRootHandler(final HttpHandler rootHandler) {
this.rootHandler = rootHandler;
}
@Override
public OptionMap getUndertowOptions() {
return undertowOptions;
}
@Override
public void setUndertowOptions(final OptionMap undertowOptions) {
if (undertowOptions == null) {
throw UndertowMessages.MESSAGES.argumentCannotBeNull("undertowOptions");
}
this.undertowOptions = undertowOptions;
statisticsEnabled = undertowOptions.get(UndertowOptions.ENABLE_CONNECTOR_STATISTICS, false);
}
@Override
public Pool<ByteBuffer> getBufferPool() {
return bufferPool;
}
@Override
public ConnectorStatistics getConnectorStatistics() {
if(statisticsEnabled) {
return connectorStatistics;
}
return null;
}
}