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/*
Kopete Oscar Protocol
rateclassmanager.cpp - Manages the rates we get from the OSCAR server
Copyright (c) 2004 Matt Rogers <mattr@kde.org>
Kopete (c) 2002-2004 by the Kopete developers <kopete-devel@kde.org>
*************************************************************************
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Lesser General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
*************************************************************************
*/
#include <qvaluelist.h>
#include <kdebug.h>
#include "rateclassmanager.h"
#include "transfer.h"
#include "connection.h"
#include "rateclass.h"
class RateClassManagerPrivate
{
public:
//! The list of rate classes owned by this manager
QValueList<RateClass*> classList;
Connection* client;
};
RateClassManager::RateClassManager( Connection* parent, const char* name )
: QObject( parent, name )
{
d = new RateClassManagerPrivate();
d->client = parent;
}
RateClassManager::~RateClassManager()
{
reset();
delete d;
}
void RateClassManager::reset()
{
QValueList<RateClass*>::iterator it = d->classList.begin();
while ( it != d->classList.end() && d->classList.count() > 0)
{
RateClass* rc = ( *it );
it = d->classList.remove( it );
delete rc;
}
}
void RateClassManager::registerClass( RateClass* rc )
{
QObject::connect( rc, SIGNAL( dataReady( Transfer* ) ), this, SLOT( transferReady( Transfer* ) ) );
d->classList.append( rc );
}
bool RateClassManager::canSend( Transfer* t ) const
{
SnacTransfer* st = dynamic_cast<SnacTransfer*>( t );
if ( !st ) //no snac transfer, no rate limiting
{ kdDebug(OSCAR_RAW_DEBUG) << k_funcinfo << "Not sending a snac" << endl;
return true;
}
RateClass* rc = findRateClass( st );
if ( rc )
{
if ( rc->timeToNextSend() == 0 )
{
kdDebug(OSCAR_RAW_DEBUG) << k_funcinfo << "rate class " << rc->id() << " said it's okay to send" << endl;
return true;
}
else
{
kdDebug(OSCAR_RAW_DEBUG) << k_funcinfo << "rate class " << rc->id() << " said it's not okay to send yet" << endl;
return false;
}
}
else // no rate class
{
kdDebug(OSCAR_RAW_DEBUG) << k_funcinfo << "no rate class. doing no rate limiting" << endl;
return true;
}
}
void RateClassManager::queue( Transfer* t )
{
SnacTransfer* st = dynamic_cast<SnacTransfer*>( t );
if ( !st )
{ //we're not sending a snac
transferReady( t );
return;
}
RateClass* rc = findRateClass( st );
if ( rc )
rc->enqueue( st );
else
transferReady( t );
}
QValueList<RateClass*> RateClassManager::classList() const
{
return d->classList;
}
void RateClassManager::transferReady( Transfer* t )
{
//tell the client to send it again. We should be
//able to send it now
FlapTransfer* ft = dynamic_cast<FlapTransfer*>( t );
if ( ft )
ft->setFlapSequence( d->client->flapSequence() );
d->client->forcedSend( t );
}
RateClass* RateClassManager::findRateClass( SnacTransfer* st ) const
{
SNAC s = st->snac();
//kdDebug(OSCAR_RAW_DEBUG) << k_funcinfo << "Looking for SNAC " << s.family << ", " << s.subtype << endl;
RateClass* rc = 0L;
QValueList<RateClass*>::const_iterator it;
QValueList<RateClass*>::const_iterator rcEnd = d->classList.constEnd();
for ( it = d->classList.constBegin(); it != rcEnd; ++it )
{
if ( ( *it )->isMember( s.family, s.subtype ) )
{
//kdDebug(OSCAR_RAW_DEBUG) << k_funcinfo << "Found SNAC(" << s.family << ", " << s.subtype << ") in class" << endl;
rc = ( *it );
break;
}
}
return rc;
}
void RateClassManager::recalcRateLevels()
{
QValueList<RateClass*>::iterator it;
QValueList<RateClass*>::iterator rcEnd = d->classList.end();
for ( it = d->classList.begin(); it != rcEnd; ++it )
( *it )->updateRateInfo();
}
int RateClassManager::timeToInitialLevel( SNAC s )
{
QValueList<RateClass*>::const_iterator it;
QValueList<RateClass*>::const_iterator rcEnd = d->classList.constEnd();
for ( it = d->classList.constBegin(); it != rcEnd; ++it )
{
if ( ( *it )->isMember( s.family, s.subtype ) )
{
return ( *it )->timeToInitialLevel();
}
}
return 0;
}
#include "rateclassmanager.moc"
//kate: tab-width 4; indent-mode csands;
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