// $Id$
//
// Copyright (C) 2007
-// Fraunhofer Institut fuer offene Kommunikationssysteme (FOKUS)
-// Kompetenzzentrum fuer Satelitenkommunikation (SatCom)
+// Fraunhofer Institute for Open Communication Systems (FOKUS)
+// Competence Center NETwork research (NET), St. Augustin, GERMANY
// Stefan Bund <g0dil@berlios.de>
//
// This program is free software; you can redistribute it and/or modify
//#include "Connectors.ih"
// Custom includes
+#include "Route.hh"
//#include "Connectors.mpp"
#define prefix_
///////////////////////////////cc.p////////////////////////////////////////
///////////////////////////////////////////////////////////////////////////
-// protected members
+// senf::ppi::connector::PassiveConnector
-prefix_ senf::ppi::connector::Connector::~Connector()
-{}
+////////////////////////////////////////
+// private members
+
+prefix_ void senf::ppi::connector::PassiveConnector::notifyUnthrottle()
+{
+ if (throttled() && !nativeThrottled_) {
+ Routes::const_iterator i (routes_.begin());
+ Routes::const_iterator const i_end (routes_.end());
+ for (; i != i_end; ++i)
+ if ((*i)->throttled())
+ break;
+ if (i == i_end) {
+ remoteThrottled_ = false;
+ emitUnthrottle();
+ }
+ }
+ else
+ remoteThrottled_ = false;
+}
+
+///////////////////////////////////////////////////////////////////////////
+// senf::ppi::connector::ActiveConnector
+
+////////////////////////////////////////
+// private members
+
+prefix_ void senf::ppi::connector::ActiveConnector::notifyThrottle()
+{
+ if (throttleCallback_)
+ throttleCallback_();
+ NotifyRoutes::const_iterator i (notifyRoutes_.begin());
+ NotifyRoutes::const_iterator const i_end (notifyRoutes_.end());
+ for (; i != i_end; ++i)
+ (*i)->notifyThrottle();
+}
-prefix_ void senf::ppi::connector::Connector::connect(Connector & target)
+prefix_ void senf::ppi::connector::ActiveConnector::notifyUnthrottle()
{
- peer_ = & target;
- target.peer_ = this;
+ if (unthrottleCallback_)
+ unthrottleCallback_();
+ NotifyRoutes::const_iterator i (notifyRoutes_.begin());
+ NotifyRoutes::const_iterator const i_end (notifyRoutes_.end());
+ for (; i != i_end; ++i)
+ (*i)->notifyUnthrottle();
+}
+
+prefix_ void senf::ppi::connector::ActiveConnector::registerRoute(ForwardingRoute & route)
+{
+ notifyRoutes_.push_back(&route);
}
///////////////////////////////////////////////////////////////////////////
// senf::ppi::connector::InputConnector
+prefix_ senf::Packet senf::ppi::connector::InputConnector::operator()()
+{
+ if (empty())
+ v_requestEvent();
+ Packet p;
+ if (! empty()) {
+ p = peek();
+ queue_.pop_back();
+ v_dequeueEvent();
+ }
+ return p;
+}
+
////////////////////////////////////////
// private members
prefix_ void senf::ppi::connector::PassiveInput::v_enqueueEvent()
{
- ///\fixme Emit notifications when qstate_ changes
- if (qdisc_)
- qstate_ = qdisc_->update(*this, QueueingDiscipline::ENQUEUE);
- else
- qstate_ = empty()?QueueingDiscipline::UNTHROTTLED:QueueingDiscipline::THROTTLED;
emit();
+ qdisc_->update(*this, QueueingDiscipline::ENQUEUE);
}
prefix_ void senf::ppi::connector::PassiveInput::v_dequeueEvent()
{
- ///\fixme Emit notifications when qstate_ changes
- if (qdisc_)
- qstate_ = qdisc_->update(*this, QueueingDiscipline::DEQUEUE);
- else
- qstate_ = empty()?QueueingDiscipline::UNTHROTTLED:QueueingDiscipline::THROTTLED;
+ qdisc_->update(*this, QueueingDiscipline::DEQUEUE);
+}
+
+prefix_ void senf::ppi::connector::PassiveInput::v_unthrottleEvent()
+{
+ size_type n (queueSize());
+ while (n) {
+ emit();
+ size_type nn (queueSize());
+ if (n == nn)
+ break;
+ n = nn;
+ }
}
///////////////////////////////cc.e////////////////////////////////////////