PPI/Connectors.cci

   1 // $Id$
   2 //
   3 // Copyright (C) 2007
   4 // Fraunhofer Institut fuer offene Kommunikationssysteme (FOKUS)
   5 // Kompetenzzentrum fuer Satelitenkommunikation (SatCom)
   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 Connectors inline non-template implementation */
  25
  26 // Custom includes
  27
  28 #define prefix_ inline
  29 ///////////////////////////////cci.p///////////////////////////////////////
  30
  31 ///////////////////////////////////////////////////////////////////////////
  32 // senf::ppi::connector::Connector
  33
  34 prefix_ senf::ppi::connector::Connector & senf::ppi::connector::Connector::peer()
  35 {
  36     BOOST_ASSERT(peer_);
  37     return *peer_;
  38 }
  39
  40 prefix_ senf::ppi::module::Module & senf::ppi::connector::Connector::module()
  41 {
  42     BOOST_ASSERT(module_);
  43     return *module_;
  44 }
  45
  46 ////////////////////////////////////////
  47 // protected members
  48
  49 prefix_ senf::ppi::connector::Connector::Connector()
  50     : peer_(), module_()
  51 {}
  52
  53 ////////////////////////////////////////
  54 // private members
  55
  56 prefix_ void senf::ppi::connector::Connector::setModule(module::Module & module)
  57 {
  58     module_ = &module;
  59 }
  60
  61 ///////////////////////////////////////////////////////////////////////////
  62 // senf::ppi::connector::ActiveConnector
  63
  64 ////////////////////////////////////////
  65 // protected members
  66
  67 prefix_ senf::ppi::connector::ActiveConnector::ActiveConnector()
  68 {}
  69
  70 ///////////////////////////////////////////////////////////////////////////
  71 // senf::ppi::connector::PassiveConnector
  72
  73 prefix_ senf::ppi::connector::ActiveConnector & senf::ppi::connector::PassiveConnector::peer()
  74 {
  75     return dynamic_cast<ActiveConnector&>(Connector::peer());
  76 }
  77
  78 ////////////////////////////////////////
  79 // protected members
  80
  81 prefix_ senf::ppi::connector::PassiveConnector::PassiveConnector()
  82     : callback_()
  83 {}
  84
  85 prefix_ void senf::ppi::connector::PassiveConnector::emit()
  86 {
  87     BOOST_ASSERT(callback_);
  88     callback_();
  89 }
  90
  91 ///////////////////////////////////////////////////////////////////////////
  92 // senf::ppi::connector::InputConnector
  93
  94 prefix_ senf::Packet senf::ppi::connector::InputConnector::operator()()
  95 {
  96     v_requestEvent();
  97     Packet p (peek());
  98     queue_.pop_back();
  99     v_dequeueEvent();
 100     return p;
 101 }
 102
 103 prefix_ bool senf::ppi::connector::InputConnector::boolean_test()
 104 {
 105     ///\fixme Add additional active/passive throttle/unthrottle conditions (make virtual ?)
 106     return ! empty();
 107 }
 108
 109 prefix_ senf::ppi::connector::OutputConnector & senf::ppi::connector::InputConnector::peer()
 110 {
 111     return dynamic_cast<OutputConnector &>(Connector::peer());
 112 }
 113
 114 prefix_ senf::ppi::connector::InputConnector::queue_iterator
 115 senf::ppi::connector::InputConnector::begin()
 116 {
 117     return queue_.begin();
 118 }
 119
 120 prefix_ senf::ppi::connector::InputConnector::queue_iterator
 121 senf::ppi::connector::InputConnector::end()
 122 {
 123     return queue_.end();
 124 }
 125
 126 prefix_ senf::Packet senf::ppi::connector::InputConnector::peek()
 127 {
 128     BOOST_ASSERT( ! queue_.empty() );
 129     return queue_.back();
 130 }
 131
 132 prefix_ senf::ppi::connector::InputConnector::size_type
 133 senf::ppi::connector::InputConnector::queueSize()
 134 {
 135     return queue_.size();
 136 }
 137
 138 prefix_ bool senf::ppi::connector::InputConnector::empty()
 139 {
 140     return queue_.empty();
 141 }
 142
 143 ////////////////////////////////////////
 144 // protected members
 145
 146 prefix_ senf::ppi::connector::InputConnector::InputConnector()
 147 {}
 148
 149 ////////////////////////////////////////
 150 // private members
 151
 152 prefix_ void senf::ppi::connector::InputConnector::enqueue(Packet p)
 153 {
 154     queue_.push_front(p);
 155     v_enqueueEvent();
 156 }
 157
 158 ///////////////////////////////////////////////////////////////////////////
 159 // senf::ppi::connector::OutputConnector
 160
 161 prefix_ void senf::ppi::connector::OutputConnector::operator()(Packet p)
 162 {
 163     peer().enqueue(p);
 164 }
 165
 166 prefix_ senf::ppi::connector::InputConnector & senf::ppi::connector::OutputConnector::peer()
 167 {
 168     return dynamic_cast<InputConnector&>(Connector::peer());
 169 }
 170
 171 ////////////////////////////////////////
 172 // protected members
 173
 174 prefix_ senf::ppi::connector::OutputConnector::OutputConnector()
 175 {}
 176
 177 ///////////////////////////////////////////////////////////////////////////
 178 // senf::ppi::connector::PassiveInput
 179
 180 prefix_ senf::ppi::connector::PassiveInput::PassiveInput()
 181     : qdisc_(), qstate_(QueueingDiscipline::UNTHROTTLED)
 182 {}
 183
 184 prefix_ senf::ppi::connector::ActiveOutput & senf::ppi::connector::PassiveInput::peer()
 185 {
 186     return dynamic_cast<ActiveOutput&>(Connector::peer());
 187 }
 188
 189 ///////////////////////////////////////////////////////////////////////////
 190 // senf::ppi::connector::PassiveOutput
 191
 192 prefix_ senf::ppi::connector::ActiveInput & senf::ppi::connector::PassiveOutput::peer()
 193 {
 194     return dynamic_cast<ActiveInput&>(Connector::peer());
 195 }
 196
 197 prefix_ void senf::ppi::connector::PassiveOutput::connect(ActiveInput & target)
 198 {
 199     Connector::connect(target);
 200 }
 201
 202 ///////////////////////////////////////////////////////////////////////////
 203 // senf::ppi::connector::ActiveInput
 204
 205 prefix_ senf::ppi::connector::PassiveOutput & senf::ppi::connector::ActiveInput::peer()
 206 {
 207     return dynamic_cast<PassiveOutput&>(Connector::peer());
 208 }
 209
 210 prefix_ void senf::ppi::connector::ActiveInput::request()
 211 {
 212     peer().emit();
 213 }
 214
 215 ///////////////////////////////////////////////////////////////////////////
 216 // senf::ppi::connector::ActiveOutput
 217
 218 prefix_ senf::ppi::connector::PassiveInput & senf::ppi::connector::ActiveOutput::peer()
 219 {
 220     return dynamic_cast<PassiveInput&>(Connector::peer());
 221 }
 222
 223 prefix_ void senf::ppi::connector::ActiveOutput::connect(PassiveInput & target)
 224 {
 225     Connector::connect(target);
 226 }
 227
 228 ///////////////////////////////cci.e///////////////////////////////////////
 229 #undef prefix_
 230
 231 \f
 232 // Local Variables:
 233 // mode: c++
 234 // fill-column: 100
 235 // comment-column: 40
 236 // c-file-style: "senf"
 237 // indent-tabs-mode: nil
 238 // ispell-local-dictionary: "american"
 239 // compile-command: "scons -u test"
 240 // End: