lockfree interaction patter for 3 theads implemented

1 files changed, 72 insertions, 0 deletions

diff --git a/src/socket_base.hpp b/src/socket_base.hpp
new file mode 100644
index 0000000..633f003
--- /dev/null
+++ b/src/socket_base.hpp
@@ -0,0 +1,72 @@
+/*
+    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_SOCKET_BASE_HPP_INCLUDED__
+#define __ZMQ_SOCKET_BASE_HPP_INCLUDED__
+
+#include <vector>
+
+#include "i_api.hpp"
+#include "object.hpp"
+
+namespace zmq
+{
+
+    class socket_base_t : public object_t, public i_api
+    {
+    public:
+
+        socket_base_t (class app_thread_t *parent_);
+        ~socket_base_t ();
+
+        //  i_api interface implementation.
+        int bind (const char *addr_, struct zmq_opts *opts_);
+        int connect (const char *addr_, struct zmq_opts *opts_);
+        int subscribe (const char *criteria_);
+        int send (struct zmq_msg *msg_, int flags_);
+        int flush ();
+        int recv (struct zmq_msg *msg_, int flags_);
+        int close ();
+
+    private:
+
+        //  Handlers for incoming commands.
+        void process_own (object_t *object_);
+        void process_term_req (object_t *object_);
+        void process_term_ack ();
+
+        //  List of all I/O objects owned by this socket. The socket is
+        //  responsible for deallocating them before it quits.
+        typedef std::vector <object_t*> io_objects_t;
+        io_objects_t io_objects;
+
+        //  Number of I/O objects that were already asked to terminate
+        //  but haven't acknowledged it yet.
+        int pending_term_acks;
+
+        //  Application thread the socket lives in.
+        class app_thread_t *app_thread;
+
+        socket_base_t (const socket_base_t&);
+        void operator = (const socket_base_t&);
+    };
+
+}
+
+#endif