Refactored codecs to match ZMTP version numbers

src/v2_decoder.hpp

@@ -0,0 +1,60 @@
+/*
+    Copyright (c) 2007-2013 Contributors as noted in the AUTHORS file
+
+    This file is part of 0MQ.
+
+    0MQ is free software; you can redistribute it and/or modify it under
+    the terms of the GNU Lesser 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
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef __ZMQ_V2_DECODER_HPP_INCLUDED__
+#define __ZMQ_V2_DECODER_HPP_INCLUDED__
+
+#include "decoder.hpp"
+#include "i_msg_sink.hpp"
+
+namespace zmq
+{
+    //  Decoder for ZMTP/2.x framing protocol. Converts data stream into messages.
+    class v2_decoder_t : public decoder_base_t <v2_decoder_t>
+    {
+    public:
+
+        v2_decoder_t (size_t bufsize_,
+            int64_t maxmsgsize_, i_msg_sink *msg_sink_);
+        virtual ~v2_decoder_t ();
+
+        //  i_decoder interface.
+        virtual void set_msg_sink (i_msg_sink *msg_sink_);
+
+    private:
+
+        bool flags_ready ();
+        bool one_byte_size_ready ();
+        bool eight_byte_size_ready ();
+        bool message_ready ();
+
+        i_msg_sink *msg_sink;
+        unsigned char tmpbuf [8];
+        unsigned char msg_flags;
+        msg_t in_progress;
+
+        const int64_t maxmsgsize;
+
+        v2_decoder_t (const v2_decoder_t&);
+        void operator = (const v2_decoder_t&);
+    };
+
+}
+
+#endif