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diff --git a/cpp/src/qpid/client/Demux.h b/cpp/src/qpid/client/Demux.h
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+++ b/cpp/src/qpid/client/Demux.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.
+ *
+ */
+
+#include <list>
+#include <boost/function.hpp>
+#include <boost/shared_ptr.hpp>
+#include "qpid/framing/FrameSet.h"
+#include "qpid/sys/Mutex.h"
+#include "BlockingQueue.h"
+
+#ifndef _Demux_
+#define _Demux_
+
+namespace qpid {
+namespace client {
+
+class ByTransferDest
+{
+    const std::string dest;
+public:
+    ByTransferDest(const std::string& dest);
+    bool operator()(const framing::FrameSet& frameset) const;
+};
+
+class Demux
+{
+public:
+    typedef boost::function<bool(const framing::FrameSet&)> Condition;
+    typedef BlockingQueue<framing::FrameSet::shared_ptr> Queue;
+
+    void handle(framing::FrameSet::shared_ptr);
+    void close();
+
+    Queue& add(const std::string& name, Condition);
+    void remove(const std::string& name);
+    Queue& get(const std::string& name);
+    Queue& getDefault();
+private:
+    typedef boost::shared_ptr<Queue> QueuePtr;
+    struct Record
+    {
+        const std::string name;
+        Condition condition;
+        QueuePtr queue;
+
+        Record(const std::string& n, Condition c) : name(n), condition(c), queue(new Queue()) {}
+    };
+
+    sys::Mutex lock;
+    std::list<Record> records;
+    Queue defaultQueue;
+
+    typedef std::list<Record>::iterator iterator;
+
+    struct Find
+    {
+        const std::string name;
+        Find(const std::string& name);
+        bool operator()(const Record& record) const;
+    };
+};
+
+class ScopedDivert
+{
+    const std::string dest;
+    Demux& demuxer;
+    Demux::Queue* queue;
+public:
+    ScopedDivert(const std::string& dest, Demux& demuxer);
+    ~ScopedDivert();
+    Demux::Queue& getQueue();
+};
+
+}
+}
+
+
+#endif