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diff --git a/qpid/cpp/src/qpid/client/ConnectionImpl.h b/qpid/cpp/src/qpid/client/ConnectionImpl.h
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+++ b/qpid/cpp/src/qpid/client/ConnectionImpl.h
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+/*
+ *
+ * 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.
+ *
+ */
+
+#ifndef _ConnectionImpl_
+#define _ConnectionImpl_
+
+#include "qpid/client/Bounds.h"
+#include "qpid/client/ConnectionHandler.h"
+
+#include "qpid/framing/FrameHandler.h"
+#include "qpid/sys/Mutex.h"
+#include "qpid/sys/ShutdownHandler.h"
+
+#include <map>
+#include <iosfwd>
+#include <boost/shared_ptr.hpp>
+#include <boost/weak_ptr.hpp>
+#include <boost/scoped_ptr.hpp>
+#include <boost/enable_shared_from_this.hpp>
+
+namespace qpid {
+namespace client {
+
+class Connector;
+struct ConnectionSettings;
+class SessionImpl;
+
+class ConnectionImpl : public Bounds,
+                       public framing::FrameHandler,
+                       public sys::ShutdownHandler,
+                       public boost::enable_shared_from_this<ConnectionImpl>
+{
+    typedef std::map<uint16_t, boost::weak_ptr<SessionImpl> > SessionMap;
+
+    static const uint16_t NEXT_CHANNEL;
+
+    SessionMap sessions; 
+    ConnectionHandler handler;
+    boost::scoped_ptr<Connector> connector;
+    framing::ProtocolVersion version;
+    uint16_t nextChannel;
+    sys::Mutex lock;
+    bool shutdownComplete;
+    bool released;
+
+    boost::intrusive_ptr<qpid::sys::TimerTask> heartbeatTask;
+
+    template <class F> void closeInternal(const F&);
+
+    void incoming(framing::AMQFrame& frame);
+    void closed(uint16_t, const std::string&);
+    void shutdown();
+    void failedConnection();
+    void release();
+    ConnectionImpl(framing::ProtocolVersion version, const ConnectionSettings& settings);
+
+    boost::function<void ()> failureCallback;
+
+  public:
+    static void init();
+    static boost::shared_ptr<ConnectionImpl> create(framing::ProtocolVersion version, const ConnectionSettings& settings);
+    ~ConnectionImpl();
+    
+    void open();
+    bool isOpen() const;
+
+    boost::shared_ptr<SessionImpl> newSession(const std::string& name, uint32_t timeout, uint16_t channel=NEXT_CHANNEL);
+    void addSession(const boost::shared_ptr<SessionImpl>&, uint16_t channel=NEXT_CHANNEL);
+        
+    void close();
+    void timeout();
+    void handle(framing::AMQFrame& frame);
+    void erase(uint16_t channel);
+    const ConnectionSettings& getNegotiatedSettings();
+
+    std::vector<Url> getInitialBrokers();
+    void registerFailureCallback ( boost::function<void ()> fn ) { failureCallback = fn; }
+    framing::ProtocolVersion getVersion() { return version; }
+
+  friend std::ostream& operator<<(std::ostream&, const ConnectionImpl&);
+};
+
+}}
+
+
+#endif