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/*
* DNN - Data News Network
*
* by Stephane Chatty and Stephane Sire
*
* Copyright 1993-1996
* Centre d'Etudes de la Navigation Aerienne (CENA)
*
* Multiplexer
*
* $Id$
* $CurLog$
*/
#include "Loop.h"
CcuInitializerFor<DnnBaseMultiplexer> DnnBaseMultiplexer::Initializer;
bool DnnBaseMultiplexer::ClassInitialized = false;
CcuList* DnnBaseMultiplexer::GlobalHooks = 0;
CcuList* DnnBaseMultiplexer::GlobalFinalHooks = 0;
DnnBaseMultiplexer* DnnMpx = 0;
void
DnnBaseMultiplexer :: ClassInit ()
{
if (!ClassInitialized) {
ClassInitialized = true;
GlobalHooks = new CcuList;
GlobalFinalHooks = new CcuList;
}
}
void
DnnBaseMultiplexer :: AddGlobalHook (DnnMpxHook* h, bool final)
{
GlobalHooks->Append ((void*) h);
if (final)
GlobalFinalHooks->Append ((void*) h);
}
void
DnnBaseMultiplexer :: RemoveGlobalHook (DnnMpxHook* h, bool final)
{
GlobalHooks->Remove ((void*) h);
if (final)
GlobalFinalHooks->Remove ((void*) h);
}
DnnBaseMultiplexer :: DnnBaseMultiplexer ()
{
}
DnnBaseMultiplexer :: ~DnnBaseMultiplexer ()
{
}
/* useless? */
MPX_RES
DnnBaseMultiplexer :: Run ()
{
return Loop ();
}
DnnMultiplexer :: DnnMultiplexer ()
: DnnBaseMultiplexer (),
Hooks (),
FinalHooks ()
{
}
DnnMultiplexer :: ~DnnMultiplexer ()
{
}
void
DnnMultiplexer :: AddHook (DnnMpxHook* h, bool final)
{
Hooks.Append ((void*) h);
if (final)
FinalHooks.Append ((void*) h);
}
void
DnnMultiplexer :: RemoveHook (DnnMpxHook* h, bool final)
{
Hooks.Remove ((void*) h);
if (final)
FinalHooks.Remove ((void*) h);
}
void
DnnMultiplexer :: AddFinalHook (DnnMpxHook* h)
{
FinalHooks.Append ((void*) h);
}
void
DnnMultiplexer :: RemoveFinalHook (DnnMpxHook* h)
{
FinalHooks.Remove ((void*) h);
}
void
DnnMultiplexer :: ExecHooks (bool final)
{
CcuList* hooks = final ? &FinalHooks : &Hooks;
CcuListIter li = *hooks;
while (++li) {
DnnMpxHook* h = (DnnMpxHook*) *li;
(*h)();
}
}
MPX_RES
DnnMultiplexer :: Loop ()
{
Looping = true;
while (Looping)
ExecHooks (false);
ExecHooks (true);
return isMpxTerminated;
}
void
DnnMultiplexer :: Stop ()
{
Looping = false;
}
void
DnnOpen (DnnBaseMultiplexer* m)
{
DnnMpx = m ? m : new DnnMultiplexer;
CcuListIter li = *DnnBaseMultiplexer::GlobalHooks;
while (++li)
DnnMpx->AddHook ((DnnMpxHook*) *li, false);
li = *DnnBaseMultiplexer::GlobalFinalHooks;
while (++li)
DnnMpx->AddFinalHook ((DnnMpxHook*) *li);
}
MPX_RES
DnnLoop ()
{
return DnnMpx->Loop ();
}
void
DnnStop ()
{
DnnMpx->Stop ();
}
void
DnnClose ()
{
}
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