def sniffer_thread():
global packetLim
sniffer_instance = Sniffer(ServerConfig.PACKETIN_IFACE, 1500)
newPacketIn = PacketInStruct()
c_packet_id = 0
print "Sniffer Thread Started"
while True:
pack_data = sniffer_instance.recv_packet_in()
if (pack_data != False) and pack_data[0] >= 0 and pack_data[0] < len(
packetLim) and (not packetLim[pack_data[0]]):
packetLim[pack_data[0]] = True
newPacketIn = PacketInStruct()
newPacketIn.packetInResponse = p4runtime_pb2.StreamMessageResponse(
)
newPacketIn.packetInResponse.packet.payload = pack_data[2]
newPacketIn.metadata = newPacketIn.packetInResponse.packet.metadata.add(
)
newPacketIn.metadata.metadata_id = pack_data[0]
newPacketIn.metadata.value = pack_data[1]
newPacketIn.packet_id = c_packet_id
c_packet_id = c_packet_id + 1
print "EXPT: Packet-in (%d): interface => server %.9f" % (
c_packet_id, time.time())
ConnectionArray.sendPacketInToBuffer(newPacketIn)
def sniffer_thread():
sniffer_instance = Sniffer(ServerConfig.PACKETIN_IFACE, 1500)
newPacketIn = PacketInStruct()
print "Sniffer Thread Started"
while True:
pack_data = sniffer_instance.recv_packet_in()
if pack_data is not False and pack_data[
0] < 4: #TODO: Remover "and pack_data[0] < 4", esta aqui para nao capturar outros pacotes na interface de teste
newPacketIn.packetInResponse = p4runtime_pb2.StreamMessageResponse(
)
newPacketIn.packetInResponse.packet.payload = pack_data[2]
newPacketIn.metadata = newPacketIn.packetInResponse.packet.metadata.add(
)
newPacketIn.metadata.metadata_id = pack_data[0]
newPacketIn.metadata.value = pack_data[1]
print "Packet-in: interface => server %.9f" % time.time()
ConnectionArray.sendPacketInToBuffer(newPacketIn)