1 files changed, 122 insertions, 0 deletions
diff --git a/src/pgm_receiver.hpp b/src/pgm_receiver.hpp
new file mode 100644
index 0000000..1b367bf
--- /dev/null
+++ b/src/pgm_receiver.hpp
@@ -0,0 +1,122 @@
+/*
+    Copyright (c) 2007-2010 iMatix Corporation
+
+    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
+
+#ifdef ZMQ_HAVE_WINDOWS
+#include "windows.hpp"
+#endif
+
+#include <map>
+#include <algorithm>
+
+#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:
+
+        pgm_receiver_t (class io_thread_t *parent_, const options_t &options_);
+        ~pgm_receiver_t ();
+
+        int init (bool udp_encapsulation_, const char *network_);
+
+        //  i_engine interface implementation.
+        void plug (struct i_inout *inout_);
+        void unplug ();
+        void revive ();
+        void resume_input ();
+
+        //  i_poll_events interface implementation.
+        void in_event ();
+
+    private:
+
+        //  If joined is true we are already getting messages from the peer.
+        //  It it's false, we are getting data but still we haven't seen
+        //  beginning of a message.
+        struct peer_info_t
+        {
+            bool joined;
+            zmq_decoder_t *decoder;
+        };
+
+        struct tsi_comp
+        {
+            inline bool operator () (const pgm_tsi_t &ltsi,
+                const pgm_tsi_t &rtsi) const
+            {
+                if (ltsi.sport < rtsi.sport)
+                    return true;
+
+                return (std::lexicographical_compare (ltsi.gsi.identifier, 
+                    ltsi.gsi.identifier + 6, 
+                    rtsi.gsi.identifier, rtsi.gsi.identifier + 6));
+            }
+        };
+
+        typedef std::map <pgm_tsi_t, peer_info_t, tsi_comp> peers_t;
+        peers_t peers;
+
+        //  PGM socket.
+        pgm_socket_t pgm_socket;
+
+        //  Socket options.
+        options_t options;
+
+        //  Parent session.
+        i_inout *inout;
+
+        //  Most recently used decoder.
+        zmq_decoder_t *mru_decoder;
+
+        //  Number of bytes not consumed by the decoder due to pipe overflow.
+        size_t pending_bytes;
+
+        //  Pointer to data still waiting to be processed by the decoder.
+        unsigned char *pending_ptr;
+
+        //  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