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diff --git a/qpid/cpp/src/qpid/broker/PreviewSessionHandler.h b/qpid/cpp/src/qpid/broker/PreviewSessionHandler.h
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+++ b/qpid/cpp/src/qpid/broker/PreviewSessionHandler.h
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+#ifndef QPID_BROKER_PREVIEWSESSIONHANDLER_H
+#define QPID_BROKER_PREVIEWSESSIONHANDLER_H
+
+/*
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one
+ * or more contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  The ASF licenses this file
+ * to you 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.
+ *
+ */
+
+#include "qpid/framing/FrameHandler.h"
+#include "qpid/framing/AMQP_ClientOperations.h"
+#include "qpid/framing/AMQP_ServerOperations.h"
+#include "qpid/framing/AMQP_ClientProxy.h"
+#include "qpid/framing/amqp_types.h"
+#include "qpid/framing/ChannelHandler.h"
+#include "SessionContext.h"
+
+#include <boost/noncopyable.hpp>
+
+namespace qpid {
+namespace broker {
+
+class PreviewConnection;
+class PreviewSessionState;
+
+/**
+ * A SessionHandler is associated with each active channel. It
+ * receives incoming frames, handles session commands and manages the
+ * association between the channel and a session.
+ */
+class PreviewSessionHandler : public framing::AMQP_ServerOperations::SessionHandler,
+                       public framing::AMQP_ClientOperations::SessionHandler,
+                       public framing::FrameHandler::InOutHandler,
+                       private boost::noncopyable
+{
+  public:
+    PreviewSessionHandler(PreviewConnection&, framing::ChannelId);
+    ~PreviewSessionHandler();
+
+    /** Returns 0 if not attached to a session */
+    PreviewSessionState* getSession() { return session.get(); }
+    const PreviewSessionState* getSession() const { return session.get(); }
+
+    framing::ChannelId getChannel() const { return channel.get(); }
+    
+    ConnectionState& getConnection();
+    const ConnectionState& getConnection() const;
+
+    framing::AMQP_ClientProxy& getProxy() { return proxy; }
+    const framing::AMQP_ClientProxy& getProxy() const { return proxy; }
+
+    // Called by closing connection.
+    void localSuspend();
+    void detach() { localSuspend(); }
+    
+  protected:
+    void handleIn(framing::AMQFrame&);
+    void handleOut(framing::AMQFrame&);
+    
+  private:
+    /// Session methods
+    void open(uint32_t detachedLifetime);
+    void flow(bool active);
+    void flowOk(bool active);
+    void close();
+    void closed(uint16_t replyCode, const std::string& replyText);
+    void resume(const framing::Uuid& sessionId);
+    void suspend();
+    void ack(uint32_t cumulativeSeenMark,
+             const framing::SequenceNumberSet& seenFrameSet);
+    void highWaterMark(uint32_t lastSentMark);
+    void solicitAck();
+    
+    //extra methods required for assuming client role
+    void attached(const framing::Uuid& sessionId, uint32_t detachedLifetime);
+    void detached();
+
+
+    void assertAttached(const char* method) const;
+    void assertActive(const char* method) const;
+    void assertClosed(const char* method) const;
+
+
+    PreviewConnection& connection;
+    framing::ChannelHandler channel;
+    framing::AMQP_ClientProxy proxy;
+    framing::AMQP_ClientProxy::Session peerSession;
+    bool ignoring;
+    std::auto_ptr<PreviewSessionState> session;
+};
+
+}} // namespace qpid::broker
+
+
+
+#endif  /*!QPID_BROKER_SESSIONHANDLER_H*/