Importing upstream Jetty jetty-9.2.1.v20140609

[gigi.git] / lib / jetty / org / eclipse / jetty / io / NegotiatingClientConnection.java

diff --git a/lib/jetty/org/eclipse/jetty/io/NegotiatingClientConnection.java b/lib/jetty/org/eclipse/jetty/io/NegotiatingClientConnection.java
new file mode 100644 (file)
index 0000000..cd05630
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+++ b/lib/jetty/org/eclipse/jetty/io/NegotiatingClientConnection.java
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+//
+//  ========================================================================
+//  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.io;
+
+import java.io.IOException;
+import java.util.Map;
+import java.util.concurrent.Executor;
+import javax.net.ssl.SSLEngine;
+
+import org.eclipse.jetty.util.BufferUtil;
+import org.eclipse.jetty.util.log.Log;
+import org.eclipse.jetty.util.log.Logger;
+
+public abstract class NegotiatingClientConnection extends AbstractConnection
+{
+    private static final Logger LOG = Log.getLogger(NegotiatingClientConnection.class);
+
+    private final SSLEngine engine;
+    private final ClientConnectionFactory connectionFactory;
+    private final Map<String, Object> context;
+    private volatile boolean completed;
+
+    protected NegotiatingClientConnection(EndPoint endp, Executor executor, SSLEngine sslEngine, ClientConnectionFactory connectionFactory, Map<String, Object> context)
+    {
+        super(endp, executor);
+        this.engine = sslEngine;
+        this.connectionFactory = connectionFactory;
+        this.context = context;
+    }
+
+    protected SSLEngine getSSLEngine()
+    {
+        return engine;
+    }
+
+    protected void completed()
+    {
+        completed = true;
+    }
+
+    @Override
+    public void onOpen()
+    {
+        super.onOpen();
+        try
+        {
+            getEndPoint().flush(BufferUtil.EMPTY_BUFFER);
+            if (completed)
+                replaceConnection();
+            else
+                fillInterested();
+        }
+        catch (IOException x)
+        {
+            close();
+            throw new RuntimeIOException(x);
+        }
+    }
+
+    @Override
+    public void onFillable()
+    {
+        while (true)
+        {
+            int filled = fill();
+            if (filled == 0 && !completed)
+                fillInterested();
+            if (filled <= 0 || completed)
+                break;
+        }
+        if (completed)
+            replaceConnection();
+    }
+
+    private int fill()
+    {
+        try
+        {
+            return getEndPoint().fill(BufferUtil.EMPTY_BUFFER);
+        }
+        catch (IOException x)
+        {
+            LOG.debug(x);
+            close();
+            return -1;
+        }
+    }
+
+    private void replaceConnection()
+    {
+        EndPoint endPoint = getEndPoint();
+        try
+        {
+            Connection oldConnection = endPoint.getConnection();
+            Connection newConnection = connectionFactory.newConnection(endPoint, context);
+            ClientConnectionFactory.Helper.replaceConnection(oldConnection, newConnection);
+        }
+        catch (Throwable x)
+        {
+            LOG.debug(x);
+            close();
+        }
+    }
+
+    @Override
+    public void close()
+    {
+        // Gentler close for SSL.
+        getEndPoint().shutdownOutput();
+        super.close();
+    }
+}