X-Git-Url: http://g0dil.de/git?a=blobdiff_plain;f=PPI%2FConnectors.cc;h=4c5a3ea3f7cd7e68263035c677371a9553b868ee;hb=bd9f9d3fd6fbcff0112a7bf48ab9284da9576b11;hp=d8e74dcaf77819bd478937b731c0897370aafaaa;hpb=81ffa1c459b96dd44472bcef37e1e373934ee138;p=senf.git

diff --git a/PPI/Connectors.cc b/PPI/Connectors.cc
index d8e74dc..4c5a3ea 100644
--- a/PPI/Connectors.cc
+++ b/PPI/Connectors.cc
@@ -1,8 +1,8 @@
 // $Id$
 //
-// Copyright (C) 2007 
-// Fraunhofer Institut fuer offene Kommunikationssysteme (FOKUS)
-// Kompetenzzentrum fuer Satelitenkommunikation (SatCom)
+// Copyright (C) 2007
+// 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
@@ -24,32 +24,182 @@
     \brief Connectors non-inline non-template implementation */
 
 #include "Connectors.hh"
-//#include "Connectors.ih"
+#include "Connectors.ih"
 
 // Custom includes
+#include "Route.hh"
+#include "Module.hh"
+#include "ModuleManager.hh"
 
 //#include "Connectors.mpp"
 #define prefix_
 ///////////////////////////////cc.p////////////////////////////////////////
 
 ///////////////////////////////////////////////////////////////////////////
-// protected members
-
-prefix_ senf::ppi::connector::Connector::~Connector()
-{}
+// senf::ppi::connector::Connector
 
 prefix_ void senf::ppi::connector::Connector::connect(Connector & target)
 {
+    // The connector is not registered -> route() or noroute() statement missing
+    SENF_ASSERT( module_ && 
+                 "senf::ppi::connector::Connector::connect(): (source) "
+                 "Missing route() or noroute()" );
+    // The connector is already connected
+    SENF_ASSERT( ! peer_ &&
+                 "senf::ppi::connector::Connector::connect(): (source) "
+                 "duplicate connection" );
+    // The target connector is not registered -> route() or noroute() statement missing
+    SENF_ASSERT( target.module_ &&
+                 "senf::ppi::connector::Connector::connect(): (target) "
+                 "Missing route() or noroute()" );
+    // The target connector is already connected
+    SENF_ASSERT( ! target.peer_ &&
+                 "senf::ppi::connector::Connector::connect(): (target) "
+                 "duplicate connection" );
+    if (! (packetTypeID() == typeid(void) ||
+           target.packetTypeID() == typeid(void) || 
+           packetTypeID() == target.packetTypeID()) )
+        throw IncompatibleConnectorsException() 
+            << ": " << prettyName(packetTypeID()) 
+            << " [in module " << prettyName(typeid(*module_))  << "] "
+            << ", " << prettyName(target.packetTypeID())
+            << " [in module " << prettyName(typeid(*target.module_)) << "]";
+            
     peer_ = & target;
     target.peer_ = this;
+
+    if (! initializationScheduled())
+        enqueueInitializable();
+    if (! peer().initializationScheduled())
+        peer().enqueueInitializable();
+}
+
+prefix_ void senf::ppi::connector::Connector::disconnect()
+{
+    // Cannot disconnected a non-connected connector
+    SENF_ASSERT( peer_ &&
+                 "senf::ppi::connector::Connector::disconnect(): Not connected" );
+    Connector & peer (*peer_);
+    peer_ = 0;
+    peer.peer_ = 0;
+
+    if (! initializationScheduled())
+        enqueueInitializable();
+    if (! peer.initializationScheduled())
+        peer.enqueueInitializable();
+}
+
+prefix_ std::type_info const & senf::ppi::connector::Connector::packetTypeID()
+{
+    return typeid(void);
+}
+
+///////////////////////////////////////////////////////////////////////////
+// senf::ppi::connector::PassiveConnector
+
+////////////////////////////////////////
+// private members
+
+prefix_ void senf::ppi::connector::PassiveConnector::v_init()
+{
+    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;
+    if (throttled())
+        emitThrottle();
+    else
+        emitUnthrottle();
+}
+
+prefix_ void senf::ppi::connector::PassiveConnector::v_unthrottleEvent()
+{}
+
+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::v_init()
+{
+    if (! connected())
+        notifyThrottle();
+}
+
+prefix_ void senf::ppi::connector::ActiveConnector::notifyThrottle()
+{
+    if (! throttled_) {
+        throttled_ = true;
+        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::ActiveConnector::notifyUnthrottle()
+{
+    if (throttled_) {
+        throttled_ = false;
+        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::InputConnector::v_requestEvent()
+{}
+
 prefix_ void senf::ppi::connector::InputConnector::v_enqueueEvent()
 {}
 
@@ -57,22 +207,43 @@ prefix_ void senf::ppi::connector::InputConnector::v_dequeueEvent()
 {}
 
 ///////////////////////////////////////////////////////////////////////////
-// senf::ppi::connector::PassiveInput
+// senf::ppi::connector::GenericActiveInput
+
+////////////////////////////////////////
+// private members
+
+prefix_ void senf::ppi::connector::GenericActiveInput::v_requestEvent()
+{
+    request();
+}
+
+///////////////////////////////////////////////////////////////////////////
+// senf::ppi::connector::GenericPassiveInput
 
 ////////////////////////////////////////
 // private members 
 
-prefix_ void senf::ppi::connector::PassiveInput::v_enqueueEvent()
+prefix_ void senf::ppi::connector::GenericPassiveInput::v_enqueueEvent()
 {
-    ///\fixme Emit notifications when qstate_ changes
-    qstate_ = qdisc_->update(*this, QueueingDiscipline::ENQUEUE);
     emit();
+    qdisc_->update(*this, QueueingDiscipline::ENQUEUE);
+}
+
+prefix_ void senf::ppi::connector::GenericPassiveInput::v_dequeueEvent()
+{
+    qdisc_->update(*this, QueueingDiscipline::DEQUEUE);
 }
 
-prefix_ void senf::ppi::connector::PassiveInput::v_dequeueEvent()
+prefix_ void senf::ppi::connector::GenericPassiveInput::v_unthrottleEvent()
 {
-    ///\fixme Emit notifications when qstate_ changes
-    qstate_ = qdisc_->update(*this, QueueingDiscipline::DEQUEUE);
+    size_type n (queueSize());
+    while (n) {
+        emit();
+        size_type nn (queueSize());
+        if (n == nn)
+            break;
+        n = nn;
+    }
 }
 
 ///////////////////////////////cc.e////////////////////////////////////////