def handleDatagram(self, buffer):
dataPacket = DataPacket()
dataPacket.buffer = buffer
dataPacket.decode()
if dataPacket.sequenceNumber < self.windowStart:
return
if dataPacket.sequenceNumber > self.windowEnd:
return
if dataPacket.sequenceNumber < len(self.receivedWindow):
return
diff = dataPacket.sequenceNumber - self.lastSequenceNumber
if dataPacket.sequenceNumber < len(self.nackQueue):
del self.nackQueue[dataPacket.sequenceNumber]
self.ackQueue.append(dataPacket.sequenceNumber)
self.receivedWindow.append(dataPacket.sequenceNumber)
if diff != 1:
i = self.lastSequenceNumber + 1
while i < dataPacket.sequenceNumber:
if i not in self.receivedWindow:
self.nackQueue.append(i)
i += 1
if diff >= 1:
self.lastSequenceNumber = dataPacket.sequenceNumber
self.windowStart += diff
self.windowEnd += diff
for packet in dataPacket.packets:
self.receivePacket(packet)
def handleDatagram(self, buffer):
dataPacket = DataPacket()
dataPacket.buffer = buffer
dataPacket.decode()
if dataPacket.sequenceNumber in self.receivedWindow:
return
if dataPacket.sequenceNumber in self.nackQueue:
self.nackQueue.remove(dataPacket.sequenceNumber)
self.ackQueue.append(dataPacket.sequenceNumber)
self.receivedWindow.append(dataPacket.sequenceNumber)
diff = dataPacket.sequenceNumber - self.lastSequenceNumber
if diff != 1:
i = self.lastSequenceNumber + 1
while i < dataPacket.sequenceNumber:
if i not in self.receivedWindow:
self.nackQueue.append(i)
i += 1
if diff >= 1:
self.lastSequenceNumber = dataPacket.sequenceNumber
for packet in dataPacket.packets:
self.receivePacket(packet)