def decode(self, aBuffer):
i = ImpactPacket.IP(aBuffer)
self.set_decoded_protocol(i)
off = i.get_header_size()
if i.get_ip_p() == ImpactPacket.UDP.protocol:
self.udp_decoder = UDPDecoder()
packet = self.udp_decoder.decode(aBuffer[off:])
else:
self.data_decoder = DataDecoder()
packet = self.data_decoder.decode(aBuffer[off:])
i.contains(packet)
return i
def decode(self, aBuffer):
i = ImpactPacket.IP(aBuffer)
self.set_decoded_protocol(i)
start = i.get_header_size()
end = i.get_ip_len()
if i.get_ip_p() == ImpactPacket.UDP.protocol:
self.udp_decoder = UDPDecoder()
packet = self.udp_decoder.decode(aBuffer[start:end])
elif i.get_ip_p(
) == ImpactPacket.TCP.protocol: # something could be wrong here
self.tcp_decoder = TCPDecoder()
packet = self.tcp_decoder.decode(aBuffer[start:end])
elif i.get_ip_p() == ImpactPacket.ICMP.protocol:
self.icmp_decoder = ICMPDecoder()
packet = self.icmp_decoder.decode(aBuffer[start:end])
else:
self.data_decoder = DataDecoder()
packet = self.data_decoder.decode(aBuffer[start:end])
i.contains(packet)
return i
