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diff --git a/qpid/cpp/src/qpid/broker/SessionManager.h b/qpid/cpp/src/qpid/broker/SessionManager.h
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+++ b/qpid/cpp/src/qpid/broker/SessionManager.h
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+#ifndef QPID_BROKER_SESSIONMANAGER_H
+#define QPID_BROKER_SESSIONMANAGER_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/SessionState.h>
+#include <qpid/sys/Time.h>
+#include <qpid/sys/Mutex.h>
+#include <qpid/RefCounted.h>
+
+#include <set>
+#include <vector>
+#include <memory>
+
+#include <boost/noncopyable.hpp>
+#include <boost/ptr_container/ptr_vector.hpp>
+#include <boost/intrusive_ptr.hpp>
+
+namespace qpid {
+namespace broker {
+class Broker;
+class SessionState;
+class SessionHandler;
+
+/**
+ * Create and manage SessionState objects.
+ */
+class SessionManager : private boost::noncopyable {
+  public:
+    SessionManager(const qpid::SessionState::Configuration&, Broker&);
+    
+    ~SessionManager();
+    
+    /** Open a new active session, caller takes ownership */
+    std::auto_ptr<SessionState> attach(SessionHandler& h, const SessionId& id, bool/*force*/);
+    
+    /** Return a detached session to the manager, start the timeout counter. */
+    void detach(std::auto_ptr<SessionState>);
+        
+    /** Forget about an attached session. Called by SessionState destructor. */
+    void forget(const SessionId&);
+
+    Broker& getBroker() const { return broker; }
+
+    const qpid::SessionState::Configuration& getSessionConfig() const { return config; }
+
+  private:
+    typedef boost::ptr_vector<SessionState> Detached; // Sorted in expiry order.
+    typedef std::set<SessionId> Attached;
+
+    void eraseExpired();             
+
+    sys::Mutex lock;
+    Detached detached;
+    Attached attached;
+    qpid::SessionState::Configuration config;
+    Broker& broker;
+};
+
+
+
+}} // namespace qpid::broker
+
+
+
+
+
+#endif  /*!QPID_BROKER_SESSIONMANAGER_H*/