4 // Fraunhofer Institute for Open Communication Systems (FOKUS)
5 // Competence Center NETwork research (NET), St. Augustin, GERMANY
6 // Stefan Bund <g0dil@berlios.de>
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.
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.
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.
24 \brief Connectors inline non-template implementation */
27 #include <senf/Utils/TypeInfo.hh>
28 #include <senf/Utils/senfassert.hh>
31 #define prefix_ inline
32 ///////////////////////////////cci.p///////////////////////////////////////
34 ///////////////////////////////////////////////////////////////////////////
35 // senf::ppi::connector::Connector
37 prefix_ senf::ppi::connector::Connector & senf::ppi::connector::Connector::peer()
40 // The connector is not connected
41 SENF_ASSERT(peer_ && "senf::ppi::connect() call missing");
45 prefix_ senf::ppi::module::Module & senf::ppi::connector::Connector::module()
48 // The connector is not registered in the module -> probably a route() or noroute() statement is
50 SENF_ASSERT(module_ && "Connector not registered: Missing route() or noroute()");
54 prefix_ void senf::ppi::connector::Connector::tracing(TraceState state)
59 prefix_ senf::ppi::connector::Connector::TraceState senf::ppi::connector::Connector::tracing()
64 ////////////////////////////////////////
67 prefix_ senf::ppi::connector::Connector::Connector()
71 prefix_ senf::ppi::connector::Connector::~Connector()
74 Connector & peer (*peer_);
76 if (! peer.initializationScheduled())
77 peer.enqueueInitializable();
78 peer.v_disconnected();
82 prefix_ bool senf::ppi::connector::Connector::connected()
88 prefix_ void senf::ppi::connector::Connector::unregisterConnector()
91 module_->unregisterConnector(*this);
94 ////////////////////////////////////////
97 prefix_ void senf::ppi::connector::Connector::setModule(module::Module & module)
102 ///////////////////////////////////////////////////////////////////////////
103 // senf::ppi::connector::PassiveConnector
105 prefix_ senf::ppi::connector::ActiveConnector & senf::ppi::connector::PassiveConnector::peer()
108 return dynamic_cast<ActiveConnector&>(Connector::peer());
111 prefix_ bool senf::ppi::connector::PassiveConnector::throttled()
114 return nativeThrottled_ || remoteThrottled_;
117 ////////////////////////////////////////
120 prefix_ void senf::ppi::connector::PassiveConnector::emitThrottle()
122 throttleTrace("OUT", "throttle");
124 peer().notifyThrottle();
127 prefix_ void senf::ppi::connector::PassiveConnector::emitUnthrottle()
129 throttleTrace("OUT", "unthrottle");
131 peer().notifyUnthrottle();
136 prefix_ void senf::ppi::connector::PassiveConnector::notifyThrottle()
139 remoteThrottled_ = true;
143 remoteThrottled_ = true;
146 prefix_ void senf::ppi::connector::PassiveConnector::registerRoute(ForwardingRoute & route)
148 routes_.push_back(&route);
151 prefix_ void senf::ppi::connector::PassiveConnector::unregisterRoute(ForwardingRoute & route)
153 Routes::iterator i (std::find(routes_.begin(), routes_.end(), &route));
154 if (i != routes_.end())
160 prefix_ bool senf::ppi::connector::PassiveConnector::nativeThrottled()
163 return nativeThrottled_;
166 prefix_ void senf::ppi::connector::PassiveConnector::throttle()
169 nativeThrottled_ = true;
172 nativeThrottled_ = true;
175 prefix_ void senf::ppi::connector::PassiveConnector::unthrottle()
177 if (throttled() && ! remoteThrottled_) {
178 nativeThrottled_ = false;
181 nativeThrottled_ = false;
185 ////////////////////////////////////////
188 prefix_ senf::ppi::connector::PassiveConnector::PassiveConnector()
189 : callback_(), remoteThrottled_(), nativeThrottled_()
192 prefix_ void senf::ppi::connector::PassiveConnector::emit()
194 // No event callback has been registered (onRequest() call missing)
195 SENF_ASSERT(callback_ && "senf::ppi::connector::PassiveConnector: missing onRequest()");
199 throttleTrace("IN ", "queueing packet");
202 ///////////////////////////////////////////////////////////////////////////
203 // senf::ppi::connector::ActiveConnector
205 prefix_ senf::ppi::connector::PassiveConnector & senf::ppi::connector::ActiveConnector::peer()
208 return dynamic_cast<PassiveConnector&>(Connector::peer());
211 prefix_ void senf::ppi::connector::ActiveConnector::onThrottle()
213 throttleCallback_ = Callback();
216 prefix_ void senf::ppi::connector::ActiveConnector::onUnthrottle()
218 unthrottleCallback_ = Callback();
221 prefix_ bool senf::ppi::connector::ActiveConnector::throttled()
224 return ! connected() || peer().throttled();
227 ////////////////////////////////////////
230 prefix_ senf::ppi::connector::ActiveConnector::ActiveConnector()
231 : throttleCallback_(), unthrottleCallback_(), notifyRoutes_(), throttled_(false)
234 ///////////////////////////////////////////////////////////////////////////
235 // senf::ppi::connector::InputConnector
237 prefix_ senf::Packet senf::ppi::connector::InputConnector::read()
242 prefix_ senf::ppi::connector::OutputConnector & senf::ppi::connector::InputConnector::peer()
245 return dynamic_cast<OutputConnector &>(Connector::peer());
248 prefix_ senf::ppi::connector::InputConnector::queue_iterator
249 senf::ppi::connector::InputConnector::begin()
252 return queue_.begin();
255 prefix_ senf::ppi::connector::InputConnector::queue_iterator
256 senf::ppi::connector::InputConnector::end()
262 prefix_ senf::Packet senf::ppi::connector::InputConnector::peek()
265 // Cannot peek() head of empty queue
266 SENF_ASSERT( ! queue_.empty() &&
267 "senf::ppi::connector::InputConnector: cannot call peek() on empty queue" );
268 return queue_.back();
271 prefix_ senf::ppi::connector::InputConnector::size_type
272 senf::ppi::connector::InputConnector::queueSize()
275 return queue_.size();
278 prefix_ bool senf::ppi::connector::InputConnector::empty()
281 return queue_.empty();
284 ////////////////////////////////////////
287 prefix_ senf::ppi::connector::InputConnector::InputConnector()
290 ////////////////////////////////////////
293 prefix_ void senf::ppi::connector::InputConnector::enqueue(Packet const & p)
295 queue_.push_front(p);
299 ///////////////////////////////////////////////////////////////////////////
300 // senf::ppi::connector::OutputConnector
302 prefix_ senf::ppi::connector::InputConnector & senf::ppi::connector::OutputConnector::peer()
305 return dynamic_cast<InputConnector&>(Connector::peer());
308 prefix_ void senf::ppi::connector::OutputConnector::operator()(Packet const & p)
315 prefix_ void senf::ppi::connector::OutputConnector::write(Packet const & p)
320 ////////////////////////////////////////
323 prefix_ senf::ppi::connector::OutputConnector::OutputConnector()
326 ///////////////////////////////////////////////////////////////////////////
327 // senf::ppi::connector::GenericPassiveInput
329 prefix_ senf::ppi::connector::GenericPassiveInput::GenericPassiveInput()
330 : qdisc_(new ThresholdQueueing(1,0))
333 prefix_ senf::ppi::connector::GenericActiveOutput & senf::ppi::connector::GenericPassiveInput::peer()
336 return dynamic_cast<GenericActiveOutput&>(Connector::peer());
339 prefix_ bool senf::ppi::connector::GenericPassiveInput::boolean_test()
345 ///////////////////////////////////////////////////////////////////////////
346 // senf::ppi::connector::GenericPassiveOutput
348 prefix_ senf::ppi::connector::GenericActiveInput & senf::ppi::connector::GenericPassiveOutput::peer()
351 return dynamic_cast<GenericActiveInput&>(Connector::peer());
354 prefix_ bool senf::ppi::connector::GenericPassiveOutput::boolean_test()
360 prefix_ void senf::ppi::connector::GenericPassiveOutput::connect(GenericActiveInput & target)
362 Connector::connect(target);
365 prefix_ senf::ppi::connector::GenericPassiveOutput::GenericPassiveOutput()
368 ///////////////////////////////////////////////////////////////////////////
369 // senf::ppi::connector::GenericActiveInput
371 prefix_ senf::ppi::connector::GenericPassiveOutput & senf::ppi::connector::GenericActiveInput::peer()
374 return dynamic_cast<GenericPassiveOutput&>(Connector::peer());
377 prefix_ bool senf::ppi::connector::GenericActiveInput::boolean_test()
380 return ! empty() || (connected() && ! peer().throttled());
383 prefix_ void senf::ppi::connector::GenericActiveInput::request()
389 prefix_ senf::ppi::connector::GenericActiveInput::GenericActiveInput()
392 ///////////////////////////////////////////////////////////////////////////
393 // senf::ppi::connector::GenericActiveOutput
395 prefix_ senf::ppi::connector::GenericPassiveInput & senf::ppi::connector::GenericActiveOutput::peer()
398 return dynamic_cast<GenericPassiveInput&>(Connector::peer());
401 prefix_ bool senf::ppi::connector::GenericActiveOutput::boolean_test()
404 return connected() && ! peer().throttled();
407 prefix_ void senf::ppi::connector::GenericActiveOutput::connect(GenericPassiveInput & target)
409 Connector::connect(target);
412 prefix_ senf::ppi::connector::GenericActiveOutput::GenericActiveOutput()
415 ///////////////////////////////cci.e///////////////////////////////////////
422 // comment-column: 40
423 // c-file-style: "senf"
424 // indent-tabs-mode: nil
425 // ispell-local-dictionary: "american"
426 // compile-command: "scons -u test"