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diff --git a/external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/stream.hpp b/external_libs/python/pyzmq-14.7.0/bundled/zeromq/src/stream.hpp
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+/*
+    Copyright (c) 2007-2015 Contributors as noted in the AUTHORS file
+
+    This file is part of libzmq, the ZeroMQ core engine in C++.
+
+    libzmq is free software; you can redistribute it and/or modify it under
+    the terms of the GNU Lesser General Public License (LGPL) as published
+    by the Free Software Foundation; either version 3 of the License, or
+    (at your option) any later version.
+
+    As a special exception, the Contributors give you permission to link
+    this library with independent modules to produce an executable,
+    regardless of the license terms of these independent modules, and to
+    copy and distribute the resulting executable under terms of your choice,
+    provided that you also meet, for each linked independent module, the
+    terms and conditions of the license of that module. An independent
+    module is a module which is not derived from or based on this library.
+    If you modify this library, you must extend this exception to your
+    version of the library.
+
+    libzmq 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_STREAM_HPP_INCLUDED__
+#define __ZMQ_STREAM_HPP_INCLUDED__
+
+#include <map>
+
+#include "router.hpp"
+
+namespace zmq
+{
+
+    class ctx_t;
+    class pipe_t;
+
+    class stream_t :
+        public socket_base_t
+    {
+    public:
+
+        stream_t (zmq::ctx_t *parent_, uint32_t tid_, int sid);
+        ~stream_t ();
+
+        //  Overrides of functions from socket_base_t.
+        void xattach_pipe (zmq::pipe_t *pipe_, bool subscribe_to_all_);
+        int xsend (zmq::msg_t *msg_);
+        int xrecv (zmq::msg_t *msg_);
+        bool xhas_in ();
+        bool xhas_out ();
+        void xread_activated (zmq::pipe_t *pipe_);
+        void xwrite_activated (zmq::pipe_t *pipe_);
+        void xpipe_terminated (zmq::pipe_t *pipe_);
+        int xsetsockopt (int option_, const void *optval_, size_t optvallen_);
+    private:
+        //  Generate peer's id and update lookup map
+        void identify_peer (pipe_t *pipe_);
+
+        //  Fair queueing object for inbound pipes.
+        fq_t fq;
+
+        //  True iff there is a message held in the pre-fetch buffer.
+        bool prefetched;
+
+        //  If true, the receiver got the message part with
+        //  the peer's identity.
+        bool identity_sent;
+
+        //  Holds the prefetched identity.
+        msg_t prefetched_id;
+
+        //  Holds the prefetched message.
+        msg_t prefetched_msg;
+
+        struct outpipe_t
+        {
+            zmq::pipe_t *pipe;
+            bool active;
+        };
+
+        //  Outbound pipes indexed by the peer IDs.
+        typedef std::map <blob_t, outpipe_t> outpipes_t;
+        outpipes_t outpipes;
+
+        //  The pipe we are currently writing to.
+        zmq::pipe_t *current_out;
+
+        //  If true, more outgoing message parts are expected.
+        bool more_out;
+
+        //  Routing IDs are generated. It's a simple increment and wrap-over
+        //  algorithm. This value is the next ID to use (if not used already).
+        uint32_t next_rid;
+
+        stream_t (const stream_t&);
+        const stream_t &operator = (const stream_t&);
+    };
+
+}
+
+#endif