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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