From 0b5cc026fbe7ccc6de66907be29471562a2d344d Mon Sep 17 00:00:00 2001
From: Martin Sustrik <sustrik@fastmq.commkdir>
Date: Thu, 6 Aug 2009 12:51:32 +0200
Subject: clean up - session/socket/engine stuff removed

---
 src/fair_aggregator.cpp | 143 ------------------------------------------------
 1 file changed, 143 deletions(-)
 delete mode 100644 src/fair_aggregator.cpp

(limited to 'src/fair_aggregator.cpp')

diff --git a/src/fair_aggregator.cpp b/src/fair_aggregator.cpp
deleted file mode 100644
index 1e6937f..0000000
--- a/src/fair_aggregator.cpp
+++ /dev/null
@@ -1,143 +0,0 @@
-/*
-    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/>.
-*/
-
-#include "../include/zmq.h"
-
-#include "fair_aggregator.hpp"
-#include "err.hpp"
-#include "pipe_reader.hpp"
-#include "session.hpp"
-
-//  Swaps pipes at specified indices. 
-#define swap_pipes(i1_, i2_) \
-    std::swap (pipes [i1_], pipes [i2_]);\
-    pipes [i1_]->set_index (i1_);\
-    pipes [i2_]->set_index (i2_);
-
-zmq::fair_aggregator_t::fair_aggregator_t () :
-    session (NULL),
-    active (0),
-    current (0)
-{
-}
-
-void zmq::fair_aggregator_t::set_session (session_t *session_)
-{
-    zmq_assert (!session);
-    session = session_;
-}
-
-void zmq::fair_aggregator_t::shutdown ()
-{
-    //  No need to deallocate pipes here. They'll be deallocated during the
-    //  shutdown of the dispatcher.
-    delete this;
-}
-
-void zmq::fair_aggregator_t::terminate ()
-{
-    //  Pipe unregisters itself during the call to terminate, so the pipes
-    //  list shinks by one in each iteration.
-    while (!pipes.empty ())
-        pipes [0]->terminate ();
-
-   delete this;
-}
-
-zmq::fair_aggregator_t::~fair_aggregator_t ()
-{
-}
-
-void zmq::fair_aggregator_t::attach_pipe (pipe_reader_t *pipe_)
-{
-    //  Associate new pipe with the mux object.
-    pipe_->set_mux (this);
-    pipes.push_back (pipe_);
-    active++;
-    if (pipes.size () > active)
-        swap_pipes (pipes.size () - 1, active - 1);
-    if (active == 1)
-        session->revive ();
-}
-
-void zmq::fair_aggregator_t::detach_pipe (pipe_reader_t *pipe_)
-{
-    //  Move the pipe from the list of active pipes to the list of idle pipes.
-    deactivate (pipe_);
-            
-    //  Move the pipe to the end of the idle list and remove it.
-    swap_pipes (pipe_->get_index (), pipes.size () - 1);
-    pipes.pop_back ();
-}
-
-bool zmq::fair_aggregator_t::empty ()
-{
-    return pipes.empty ();
-}
-
-bool zmq::fair_aggregator_t::recv (zmq_msg *msg_)
-{
-    //  Deallocate old content of the message.
-    zmq_msg_close (msg_);
-
-    //  O(1) fair queueing. Round-robin over the active pipes to get
-    //  next message.
-    for (pipes_t::size_type i = active; i != 0; i--) {
-
-        //  Update current.
-        current = (current + 1) % active;
-        
-        //  Try to read from current.
-        if (pipes [current]->read (msg_))
-            return true;
-    }
-
-    //  No message is available. Initialise the output parameter
-    //  to be a 0-byte message.
-    zmq_msg_init (msg_);
-    return false;
-}
-
-void zmq::fair_aggregator_t::deactivate (pipe_reader_t *pipe_)
-{
-    int index = pipe_->get_index ();
-
-    //  Suspend an active pipe.
-    swap_pipes (index, active - 1);
-    active--;
-
-    //  If the deactiveted pipe is the current one, shift the current one pipe
-    //  backwards so that the pipe that replaced the deactiveted one will be
-    //  processed immediately rather than skipped.
-    if (index == (int) current) {
-        index--;
-        if (index == -1)
-            index = active - 1;
-        current = index;
-    }
-}
-
-void zmq::fair_aggregator_t::reactivate (pipe_reader_t *pipe_)
-{
-    //  Revive an idle pipe.
-    swap_pipes (pipe_->get_index (), active);
-    active++;
-    if (active == 1)
-        session->revive ();
-}
-- 
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