def data_received(self, data):
"""
incoming data are ready
"""
# compute all packets
while (len(data) > 0):
packet = Packet(data)
size = packet.getVarint()
offset = packet.getVarintSize()
packet = Packet(data[offset:offset+size])
# compute the packet
self.protocol.Receive(packet)
# remove the packet
data = data[offset+size:]
