protected void SendNAK(List <long> sequenceNumbers)
{
if (sequenceNumbers.Count == 0)
{
return;
}
NegativeAcknowledgement nAckPacket = new NegativeAcknowledgement();
nAckPacket.AddLossInfo(sequenceNumbers);
nAckPacket.SetSession(session);
nAckPacket.DestinationID = session.Destination.SocketID;
endpoint.DoSend(nAckPacket);
statistics.incNumberOfNAKSent();
}
/**
* write a NAK triggered by a received sequence number that is larger than
* the largestReceivedSeqNumber + 1
* @param currentSequenceNumber - the currently received sequence number
* @throws IOException
*/
protected void SendNAK(long currentSequenceNumber)
{
NegativeAcknowledgement nAckPacket = new NegativeAcknowledgement();
nAckPacket.AddLossInfo(largestReceivedSeqNumber + 1, currentSequenceNumber);
nAckPacket.SetSession(session);
nAckPacket.DestinationID = session.Destination.SocketID;
//put all the sequence numbers between (but excluding) these two values into the
//receiver loss list
for (long i = largestReceivedSeqNumber + 1; i < currentSequenceNumber; i++)
{
ReceiverLossListEntry detectedLossSeqNumber = new ReceiverLossListEntry(i);
receiverLossList.Insert(detectedLossSeqNumber);
}
endpoint.DoSend(nAckPacket);
//logger.info("NAK for "+currentSequenceNumber);
statistics.incNumberOfNAKSent();
}