PPI/Joins.cc

   1 // $Id$
   2 //
   3 // Copyright (C) 2007
   4 // Fraunhofer Institute for Open Communication Systems (FOKUS)
   5 // Competence Center NETwork research (NET), St. Augustin, GERMANY
   6 //     Stefan Bund <g0dil@berlios.de>
   7 //
   8 // This program is free software; you can redistribute it and/or modify
   9 // it under the terms of the GNU General Public License as published by
  10 // the Free Software Foundation; either version 2 of the License, or
  11 // (at your option) any later version.
  12 //
  13 // This program is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17 //
  18 // You should have received a copy of the GNU General Public License
  19 // along with this program; if not, write to the
  20 // Free Software Foundation, Inc.,
  21 // 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  22
  23 /** \file
  24     \brief Joins non-inline non-template implementation */
  25
  26 #include "Joins.hh"
  27 //#include "Joins.ih"
  28
  29 // Custom includes
  30 #include <algorithm>
  31 #include <boost/bind.hpp>
  32 #include <boost/lambda/lambda.hpp>
  33 #include <boost/lambda/bind.hpp>
  34
  35 //#include "Joins.mpp"
  36 #define prefix_
  37 ///////////////////////////////cc.p////////////////////////////////////////
  38
  39 ///////////////////////////////////////////////////////////////////////////
  40 // senf::ppi::module::PassiveJoin
  41
  42 ////////////////////////////////////////
  43 // private members
  44
  45 prefix_ senf::ppi::connector::GenericPassiveInput & senf::ppi::module::PassiveJoin::newInput()
  46 {
  47     inputs_.push_back(new connector::GenericPassiveInput());
  48     connector::GenericPassiveInput & input (inputs_.back());
  49
  50     noroute(input);
  51     input.onRequest(boost::bind(&PassiveJoin::request,this,boost::ref(input)));
  52
  53     return input;
  54 }
  55
  56 prefix_ void senf::ppi::module::PassiveJoin::request(connector::GenericPassiveInput & input)
  57 {
  58     output(input());
  59 }
  60
  61 prefix_ void senf::ppi::module::PassiveJoin::onThrottle()
  62 {
  63     using boost::lambda::_1;
  64     using boost::lambda::bind;
  65     std::for_each(inputs_.begin(), inputs_.end(),
  66                   bind(&connector::GenericPassiveInput::throttle, _1));
  67 }
  68
  69 prefix_ void senf::ppi::module::PassiveJoin::onUnthrottle()
  70 {
  71     using boost::lambda::_1;
  72     using boost::lambda::bind;
  73     std::for_each(inputs_.begin(), inputs_.end(),
  74                   bind(&connector::GenericPassiveInput::unthrottle, _1));
  75 }
  76
  77 ///////////////////////////////////////////////////////////////////////////
  78 // senf::ppi::module::PriorityJoin
  79
  80 ////////////////////////////////////////
  81 // private members
  82
  83 prefix_ senf::ppi::connector::GenericActiveInput & senf::ppi::module::PriorityJoin::newInput()
  84 {
  85     inputs_.push_back(new connector::GenericActiveInput());
  86     connector::GenericActiveInput & input (inputs_.back());
  87
  88     noroute(input);
  89     input.onThrottle(&PriorityJoin::onThrottle);
  90     input.onUnthrottle(&PriorityJoin::onUnthrottle);
  91
  92     return input;
  93 }
  94
  95 prefix_ void senf::ppi::module::PriorityJoin::request()
  96 {
  97     using boost::lambda::_1;
  98     using boost::lambda::bind;
  99     Inputs::iterator i (std::find_if(inputs_.begin(), inputs_.end(),
 100                                      ! bind(&connector::GenericActiveInput::throttled, _1)));
 101     if (i != inputs_.end())
 102         output((*i)());
 103 }
 104
 105 prefix_ void senf::ppi::module::PriorityJoin::onThrottle()
 106 {
 107     if (std::find_if(inputs_.begin(), inputs_.end(),
 108                      ! bind(&connector::GenericActiveInput::throttled, _1)) == inputs_.end())
 109         output.throttle();
 110 }
 111
 112 prefix_ void senf::ppi::module::PriorityJoin::onUnthrottle()
 113 {
 114     output.unthrottle();
 115 }
 116
 117 ///////////////////////////////cc.e////////////////////////////////////////
 118 #undef prefix_
 119 //#include "Joins.mpp"
 120
 121 \f
 122 // Local Variables:
 123 // mode: c++
 124 // fill-column: 100
 125 // comment-column: 40
 126 // c-file-style: "senf"
 127 // indent-tabs-mode: nil
 128 // ispell-local-dictionary: "american"
 129 // compile-command: "scons -u test"
 130 // End: