From a15854bd92db69fcd0b4444fe1b8fe3610a7acf6 Mon Sep 17 00:00:00 2001
From: Martin Lucina <martin@lucina.net>
Date: Mon, 23 Jan 2012 08:53:19 +0100
Subject: Imported Upstream version 2.0.7.dfsg

---
 src/command.hpp | 127 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 127 insertions(+)
 create mode 100644 src/command.hpp

(limited to 'src/command.hpp')

diff --git a/src/command.hpp b/src/command.hpp
new file mode 100644
index 0000000..3d00cd7
--- /dev/null
+++ b/src/command.hpp
@@ -0,0 +1,127 @@
+/*
+    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_COMMAND_HPP_INCLUDED__
+#define __ZMQ_COMMAND_HPP_INCLUDED__
+
+#include "stdint.hpp"
+
+namespace zmq
+{
+
+    //  This structure defines the commands that can be sent between threads.
+
+    struct command_t
+    {
+        //  Object to process the command.
+        class object_t *destination;
+
+        enum type_t
+        {
+            stop,
+            plug,
+            own,
+            attach,
+            bind,
+            revive,
+            reader_info,
+            pipe_term,
+            pipe_term_ack,
+            term_req,
+            term,
+            term_ack
+        } type;
+
+        union {
+
+            //  Sent to I/O thread to let it know that it should
+            //  terminate itself.
+            struct {
+            } stop;
+
+            //  Sent to I/O object to make it register with its I/O thread.
+            struct {
+            } plug;
+
+            //  Sent to socket to let it know about the newly created object.
+            struct {
+                class owned_t *object;
+            } own;
+
+            //  Attach the engine to the session.
+            struct {
+                struct i_engine *engine;
+                unsigned char peer_identity_size;
+                unsigned char *peer_identity;
+            } attach;
+
+            //  Sent from session to socket to establish pipe(s) between them.
+            //  Caller have used inc_seqnum beforehand sending the command.
+            struct {
+                class reader_t *in_pipe;
+                class writer_t *out_pipe;
+                unsigned char peer_identity_size;
+                unsigned char *peer_identity;
+            } bind;
+
+            //  Sent by pipe writer to inform dormant pipe reader that there
+            //  are messages in the pipe.
+            struct {
+            } revive;
+
+            //  Sent by pipe reader to inform pipe writer
+            //  about how many messages it has read so far.
+            //  Used to implement the flow control.
+            struct {
+                uint64_t msgs_read;
+            } reader_info;
+
+            //  Sent by pipe reader to pipe writer to ask it to terminate
+            //  its end of the pipe.
+            struct {
+            } pipe_term;
+
+            //  Pipe writer acknowledges pipe_term command.
+            struct {
+            } pipe_term_ack;
+
+            //  Sent by I/O object ot the socket to request the shutdown of
+            //  the I/O object.
+            struct {
+                class owned_t *object;
+            } term_req;
+
+            //  Sent by socket to I/O object to start its shutdown.
+            struct {
+            } term;
+
+            //  Sent by I/O object to the socket to acknowledge it has
+            //  shut down.
+            struct {
+            } term_ack;
+
+        } args;
+    };
+
+    //  Function to deallocate dynamically allocated components of the command.
+    void deallocate_command (command_t *cmd_);
+
+}    
+
+#endif
-- 
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