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/*
* Copyright (c) 2012 the original author or authors.
*
* 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 org.eclipse.jetty.spdy;
import java.io.IOException;
import java.nio.channels.SocketChannel;
import java.util.concurrent.Executor;
import java.util.concurrent.ScheduledExecutorService;
import org.eclipse.jetty.io.AsyncEndPoint;
import org.eclipse.jetty.io.Connection;
import org.eclipse.jetty.io.nio.AsyncConnection;
import org.eclipse.jetty.spdy.api.server.ServerSessionFrameListener;
import org.eclipse.jetty.spdy.generator.Generator;
import org.eclipse.jetty.spdy.parser.Parser;
public class ServerSPDYAsyncConnectionFactory implements AsyncConnectionFactory
{
private final ByteBufferPool bufferPool;
private final Executor threadPool;
private final ScheduledExecutorService scheduler;
private final short version;
private final ServerSessionFrameListener listener;
public ServerSPDYAsyncConnectionFactory(short version, ByteBufferPool bufferPool, Executor threadPool, ScheduledExecutorService scheduler)
{
this(version, bufferPool, threadPool, scheduler, null);
}
public ServerSPDYAsyncConnectionFactory(short version, ByteBufferPool bufferPool, Executor threadPool, ScheduledExecutorService scheduler, ServerSessionFrameListener listener)
{
this.version = version;
this.bufferPool = bufferPool;
this.threadPool = threadPool;
this.scheduler = scheduler;
this.listener = listener;
}
public short getVersion()
{
return version;
}
@Override
public AsyncConnection newAsyncConnection(SocketChannel channel, AsyncEndPoint endPoint, Object attachment)
{
CompressionFactory compressionFactory = new StandardCompressionFactory();
Parser parser = new Parser(compressionFactory.newDecompressor());
Generator generator = new Generator(bufferPool, compressionFactory.newCompressor());
SPDYServerConnector connector = (SPDYServerConnector)attachment;
ServerSessionFrameListener listener = provideServerSessionFrameListener(endPoint, attachment);
SPDYAsyncConnection connection = new ServerSPDYAsyncConnection(endPoint, bufferPool, parser, listener, connector);
endPoint.setConnection(connection);
FlowControlStrategy flowControlStrategy = connector.newFlowControlStrategy(version);
StandardSession session = new StandardSession(version, bufferPool, threadPool, scheduler, connection, connection, 2, listener, generator, flowControlStrategy);
session.setWindowSize(connector.getInitialWindowSize());
parser.addListener(session);
connection.setSession(session);
connector.sessionOpened(session);
return connection;
}
protected ServerSessionFrameListener provideServerSessionFrameListener(AsyncEndPoint endPoint, Object attachment)
{
return listener;
}
private static class ServerSPDYAsyncConnection extends SPDYAsyncConnection
{
private final ServerSessionFrameListener listener;
private final SPDYServerConnector connector;
private volatile boolean connected;
private ServerSPDYAsyncConnection(AsyncEndPoint endPoint, ByteBufferPool bufferPool, Parser parser, ServerSessionFrameListener listener, SPDYServerConnector connector)
{
super(endPoint, bufferPool, parser);
this.listener = listener;
this.connector = connector;
}
@Override
public Connection handle() throws IOException
{
if (!connected)
{
// NPE guard to support tests
if (listener != null)
listener.onConnect(getSession());
connected = true;
}
return super.handle();
}
@Override
public void onClose()
{
super.onClose();
connector.sessionClosed(getSession());
}
}
}
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