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diff --git a/src/pgm_receiver.hpp b/src/pgm_receiver.hpp
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+++ b/src/pgm_receiver.hpp
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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 __ZMQ_PGM_RECEIVER_HPP_INCLUDED__
+#define __ZMQ_PGM_RECEIVER_HPP_INCLUDED__
+
+#include "platform.hpp"
+
+#if defined ZMQ_HAVE_OPENPGM
+
+#include "io_object.hpp"
+#include "i_engine.hpp"
+#include "options.hpp"
+#include "zmq_decoder.hpp"
+#include "pgm_socket.hpp"
+
+namespace zmq
+{
+
+    class pgm_receiver_t : public io_object_t, public i_engine
+    {
+    
+    public:
+
+        //  Creates gm_engine. Underlying PGM connection is initialised
+        //  using network_ parameter.
+        pgm_receiver_t (class io_thread_t *parent_, const options_t &options_,
+            const char *session_name_);
+        ~pgm_receiver_t ();
+
+        int init (const char *network_);
+        void reconnect ();
+
+        //  i_engine interface implementation.
+        void plug (struct i_inout *inout_);
+        void unplug ();
+        void revive ();
+
+        //  i_poll_events interface implementation.
+        void in_event ();
+        void out_event ();
+
+    private:
+        //  Read exactly iov_len_ count APDUs, function returns number
+        //  of bytes received. Note that if we did not join message stream 
+        //  before and there is not message beginning in the APDUs being 
+        //  received iov_len for such a APDUs will be 0.
+        ssize_t receive_with_offset (void **data_);
+
+        //  Message decoder.
+        zmq_decoder_t *decoder;
+       
+        //  PGM socket.
+        pgm_socket_t pgm_socket;
+
+        //  Socket options.
+        options_t options;
+
+        //  Name of the session associated with the connecter.
+        std::string session_name;
+
+        // If receiver joined the messages stream.
+        bool joined;
+
+        //  Parent session.
+        i_inout *inout;
+
+        //  Poll handle associated with PGM socket.
+        handle_t socket_handle;
+
+        //  Poll handle associated with engine PGM waiting pipe.
+        handle_t pipe_handle;
+
+        pgm_receiver_t (const pgm_receiver_t&);
+        void operator = (const pgm_receiver_t&);
+    };
+
+}
+
+#endif
+
+#endif