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gatewayqueue.cpp
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gatewayqueue.cpp
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/*******************************************************************
*
* DESCRIPTION: class GatewayQueue
*
* AUTHOR: Umar Farooq
*
* EMAIL: ufarooq@sce.carleton.ca
*
* DATE: 17/10/2003
*
*******************************************************************/
/** include files **/
#include "gatewayqueue.h" // class GatewayQueue
#include "message.h" // class ExternalMessage, InternalMessage
#include "mainsimu.h" // MainSimulator::Instance().getParameter( ... )
/** public functions **/
/*******************************************************************
* Function Name: GatewayQueue
* Description: Constructor
********************************************************************/
Gatewayqueue::Gatewayqueue( const string &name )
: Atomic( name )
, inCObject( addInputPort( "inCObject" ) )
, inSObject( addInputPort( "inSObject" ) )
, handoff( addInputPort( "handoff" ) )
, done( addInputPort( "done" ) )
, outCObject( addOutputPort( "outCObject" ) )
, outSObject( addOutputPort( "outSObject" ) )
, registerClient( addOutputPort( "registerClient" ) )
, preparationTime( 0, 0, 10, 0 )
{
string time( MainSimulator::Instance().getParameter( description(), "preparation" ) ) ;
if( time != "" )
preparationTime = time ;
}
/*******************************************************************
* Function Name: initFunction
********************************************************************/
Model &Gatewayqueue::initFunction()
{
elements.erase( elements.begin(), elements.end() ) ;
return *this ;
}
/*******************************************************************
* Function Name: externalFunction
********************************************************************/
Model &Gatewayqueue::externalFunction( const ExternalMessage &msg )
{
if( msg.port() == inCObject )
{
j.objid = msg.value();
j.portid = 1;
elements.push_back( j ) ;
if( elements.size() == 1 )
holdIn( active, preparationTime );
}
if( msg.port() == inSObject )
{
j.objid = msg.value();
j.portid = 2;
elements.push_back( j ) ;
if( elements.size() == 1 )
holdIn( active, preparationTime );
}
if( msg.port() == handoff )
{
j.objid = msg.value();
j.portid = 3;
elements.push_back( j ) ;
if( elements.size() == 1 )
holdIn( active, preparationTime );
}
if( msg.port() == done )
{
elements.pop_front() ;
if( !elements.empty() )
holdIn( active, preparationTime );
}
return *this;
}
/*******************************************************************
* Function Name: internalFunction
********************************************************************/
Model &Gatewayqueue::internalFunction( const InternalMessage & )
{
passivate();
return *this ;
}
/*******************************************************************
* Function Name: outputFunction
********************************************************************/
Model &Gatewayqueue::outputFunction( const InternalMessage &msg )
{
if(elements.front().portid == 1){
sendOutput( msg.time(), outCObject, elements.front().objid ) ;
}
else if(elements.front().portid == 2){
sendOutput( msg.time(), outSObject, elements.front().objid ) ;
}
else if(elements.front().portid == 3){
sendOutput( msg.time(), registerClient, elements.front().objid ) ;
}
return *this ;
}