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+/*
+    Copyright (c) 2007-2009 FastMQ Inc.
+
+    This file is part of 0MQ.
+
+    0MQ is free software; you can redistribute it and/or modify it under
+    the terms of the Lesser GNU General Public License as published by
+    the Free Software Foundation; either version 3 of the License, or
+    (at your option) any later version.
+
+    0MQ is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    Lesser GNU General Public License for more details.
+
+    You should have received a copy of the Lesser GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __ZS_PIPE_HPP_INCLUDED__
+#define __ZS_PIPE_HPP_INCLUDED__
+
+#include "../include/zs.h"
+
+#include "ypipe.hpp"
+#include "config.hpp"
+
+namespace zs
+{
+
+    //  Message pipe. A simple wrapper on top of ypipe.
+
+    class pipe_t : public ypipe_t <zs_msg, false, message_pipe_granularity>
+    {
+        //  Dispatcher is a friend so that it can create & destroy the pipes.
+        //  By making constructor & destructor private we are sure that nobody
+        //  except dispatcher messes with pipes.
+        friend class dispatcher_t;
+
+    private:
+
+        pipe_t ();
+        ~pipe_t ();
+
+        void set_index (int index_);
+        int get_index ();
+
+        //  Index of the pipe in dispatcher's array of pipes.
+        int index;
+
+        pipe_t (const pipe_t&);
+        void operator = (const pipe_t&);
+    }; 
+
+}
+
+#endif