void
StopAndWaitRC::doOnData(const CompoundPtr& compound, Port<Data>)
{
StopAndWaitRCCommand *command = getCommand(compound->getCommandPool());
assure(command->peer.type == StopAndWaitRCCommand::I,
"Received RR frame via 'Data' port");
MESSAGE_BEGIN(NORMAL, logger, m, getFUN()->getName());
m << " processIncoming(compound), Received I frame "
<< " expected (NR) " << NR
<< " received (command->peer.NS) " << command->peer.NS;
MESSAGE_END();
// The I-Frame must be either the one we're expecting (NR) or
// the one before the one we're expecting (NR-1). If it is NR-1
// it is a duplicate, that we've already acknowledged. May be
// our ACK got lost. So we send it again.
if(command->peer.NS == NR || command->peer.NS == NR-1)
{
// As stated above ACK is sent in any case
CommandPool* ackPCI = getFUN()->getProxy()->createReply(compound->getCommandPool(), this);
ackCompound = CompoundPtr(new Compound(ackPCI));
StopAndWaitRCCommand* ackCommand = activateCommand(ackPCI);
ackCommand->peer.type = StopAndWaitRCCommand::RR;
ackCommand->peer.NS = NR;
MESSAGE_SINGLE(NORMAL, logger,
getFUN()->getName() << " Prepared RR frame (ACK) with NS="
<< ackCommand->peer.NS << " (the next I frame we're expexcting)");
if (getPortConnector< Port<Ack> >()->hasAcceptor(ackCompound))
{
getPortConnector< Port<Ack> >()->getAcceptor(ackCompound)->sendData(ackCompound);
ackCompound = CompoundPtr();
}
if(command->peer.NS == NR)
{
MESSAGE_SINGLE(NORMAL, logger,
getFUN()->getName() << " This was the next expected I frame");
getDeliverer()->getAcceptor(compound)->onData(compound);
NR++;
}
else
{
MESSAGE_SINGLE(NORMAL, logger,
getFUN()->getName() << " Already received this I frame (duplicate)");
}
}
else
{
// this can not happen.
wns::Exception e;
e << "StopAndWait-ARQ received an I frame that neither (NR) nor (NR-1). "
<< "This cannot happen and is most probably an implementation error";
throw e;
}
}
SharMilkRecep DataWorker::insert(const MilkReceptionData &data)
{
auto deliverer = getDeliverer(data.delivererId());
const auto milkPoint = getMilkPoint(data.milkPointId());
const auto milkRecep = new MilkReception(data.id(), data.deliveryDate(), data.priceLiter(),
data.liters(), data.fat(), deliverer.toWeakRef(),
milkPoint.toWeakRef());
const auto shared = SharMilkRecep(milkRecep);
deliverer->addMilkReception(shared.toWeakRef());
m_milkReceptions.insert(data.id(), shared);
return shared;
}
void DataWorker::reload()
{
const QList<milk_id> localities = m_localities.keys(),
milkPoints = m_milkPoints.keys(),
deliverers = m_deliverers.keys(),
milkReceptions = m_milkReceptions.keys();
clear();
for (const auto id: localities)
getLocality(id);
for (const auto id: milkPoints)
getMilkPoint(id);
for (const auto id: deliverers)
getDeliverer(id);
for (const auto id: milkReceptions)
getMilkReception(id);
}
virtual void
processIncoming(const CompoundPtr& compound)
{
getDeliverer()->getAcceptor(compound)->onData(compound);
} // processIncoming
