def test_unpackMultiplePackets(self):
sequencenum = 1011
mypcap = pcap.Pcap("inetx_test.pcap") # Read the pcap file
mypcap.readGlobalHeader()
while True:
# Loop through the pcap file reading one packet at a time
try:
mypcaprecord = mypcap.readAPacket()
except IOError:
# End of file reached
break
ethpacket = SimpleEthernet.Ethernet() # Create an Ethernet object
ethpacket.unpack(mypcaprecord.packet
) # Unpack the pcap record into the eth object
ippacket = SimpleEthernet.IP() # Create an IP packet
ippacket.unpack(ethpacket.payload
) # Unpack the ethernet payload into the IP packet
udppacket = SimpleEthernet.UDP() # Create a UDP packet
udppacket.unpack(
ippacket.payload) # Unpack the IP payload into the UDP packet
inetxpacket = inetx.iNetX() # Create an iNetx object
inetxpacket.unpack(
udppacket.payload
) # Unpack the UDP payload into this iNetX object
#print "INETX: StreamID ={:08X} Sequence = {:8d} PTP Seconds = {}".format(inetxpacket.streamid,inetxpacket.sequence,inetxpacket.ptptimeseconds)
self.assertEquals(inetxpacket.sequence, sequencenum)
sequencenum += 1
def test_readFirstMPEGTS(self):
'''
Very simple test that reads a pcap file with mpegts packets.
Takes the first packet in there and decoms the mpegts blocks
Verifies each block in that first packet
'''
p = pcap.Pcap("mpegts_input.pcap")
p.readGlobalHeader()
mypcaprecord = p.readAPacket()
ethpacket = SimpleEthernet.Ethernet() # Create an Ethernet object
ethpacket.unpack(mypcaprecord.packet) # Unpack the pcap record into the eth object
ippacket = SimpleEthernet.IP() # Create an IP packet
ippacket.unpack(ethpacket.payload) # Unpack the ethernet payload into the IP packet
udppacket = SimpleEthernet.UDP() # Create a UDP packet
udppacket.unpack(ippacket.payload) # Unpack the IP payload into the UDP packet
inetxpacket = inetx.iNetX() # Create an iNetx object
inetxpacket.unpack(udppacket.payload) # Unpack the UDP payload into this iNetX object
mpegts = MPEGTS.MPEGTS()
mpegts.unpack(inetxpacket.payload)
self.assertEqual(mpegts.NumberOfBlocks(),7)
self.assertFalse(mpegts.contunityerror)
for packet_index in (range(7)):
if packet_index == 0:
self.assertEqual(mpegts.blocks[packet_index].pid,0)
self.assertEqual(mpegts.blocks[packet_index].syncbyte,0x47)
elif packet_index == 1:
self.assertEqual(mpegts.blocks[packet_index].pid,4096)
self.assertEqual(mpegts.blocks[packet_index].syncbyte,0x47)
else:
self.assertEqual(mpegts.blocks[packet_index].pid,256)
self.assertEqual(mpegts.blocks[packet_index].syncbyte,0x47)
p.close()
def test_readAllMPEGTS(self):
'''
Reads the same mpeg ts file as previously but reads all the data
in the file and checks for any continuity errors
:return:
'''
p = pcap.Pcap("mpegts_input.pcap")
p.readGlobalHeader()
while True:
# Loop through the pcap file reading one packet at a time
try:
mypcaprecord = p.readAPacket()
except IOError:
# End of file reached
break
ethpacket = SimpleEthernet.Ethernet() # Create an Ethernet object
ethpacket.unpack(mypcaprecord.packet) # Unpack the pcap record into the eth object
ippacket = SimpleEthernet.IP() # Create an IP packet
ippacket.unpack(ethpacket.payload) # Unpack the ethernet payload into the IP packet
udppacket = SimpleEthernet.UDP() # Create a UDP packet
udppacket.unpack(ippacket.payload) # Unpack the IP payload into the UDP packet
inetxpacket = inetx.iNetX() # Create an iNetx object
inetxpacket.unpack(udppacket.payload) # Unpack the UDP payload into this iNetX object
mpegts = MPEGTS.MPEGTS()
mpegts.unpack(inetxpacket.payload)
self.assertEqual(mpegts.NumberOfBlocks(),7)
self.assertFalse(mpegts.contunityerror)
p.close()
def test_readFirstMPEGTS(self):
'''
Very simple test that reads a pcap file with mpegts packets.
Takes the first packet in there and decoms the mpegts blocks
Verifies each block in that first packet
'''
p = pcap.Pcap(os.path.join(THIS_DIR, "mpegts_input.pcap"))
p._read_global_header()
mypcaprecord = p[0]
ethpacket = SimpleEthernet.Ethernet() # Create an Ethernet object
ethpacket.unpack(mypcaprecord.packet) # Unpack the pcap record into the eth object
ippacket = SimpleEthernet.IP() # Create an IP packet
ippacket.unpack(ethpacket.payload) # Unpack the ethernet _payload into the IP packet
udppacket = SimpleEthernet.UDP() # Create a UDP packet
udppacket.unpack(ippacket.payload) # Unpack the IP _payload into the UDP packet
inetxpacket = inetx.iNetX() # Create an iNetx object
inetxpacket.unpack(udppacket.payload) # Unpack the UDP _payload into this iNetX object
mpegts = MPEGTS.MPEGTS()
mpegts.unpack(inetxpacket.payload)
self.assertEqual(mpegts.NumberOfBlocks(),7)
self.assertFalse(mpegts.contunityerror)
for packet_index in (list(range(7))):
if packet_index == 0:
self.assertEqual(mpegts.blocks[packet_index].pid,0)
self.assertEqual(mpegts.blocks[packet_index].syncbyte,0x47)
elif packet_index == 1:
self.assertEqual(mpegts.blocks[packet_index].pid,4096)
self.assertEqual(mpegts.blocks[packet_index].syncbyte,0x47)
else:
self.assertEqual(mpegts.blocks[packet_index].pid,256)
self.assertEqual(mpegts.blocks[packet_index].syncbyte,0x47)
p.close()
def pcap_to_ts(pcapfile,ts_file,udp_port=8010):
'''
Convert a pcap file to a TS file by extracting all data from a specified port
:param mpegfile: str
:param ts_file: str
:param udp_port: int
:return:
'''
mpegpcap = pcap.Pcap(pcapfile, mode='r')
ts = open(ts_file, mode='wb')
mpeghex = ""
rec_count = 0
for rec in mpegpcap:
try:
e = eth.Ethernet()
e.unpack(rec.packet)
i = eth.IP()
i.unpack(e.payload)
u = eth.UDP()
u.unpack(i.payload)
if u.dstport == udp_port:
rec_count += 1
inet = inetx.iNetX()
inet.unpack(u.payload)
mpegtspackets = mpegts.MPEGTS()
mpegtspackets.unpack(inet.payload)
for packet in mpegtspackets.blocks:
mpeghex += packet.payload
ts.write(inet.payload)
except:
continue
def _readNextiNetXPacket(self):
"""This method will read the next iNetX packet one by one. It will raise an IOError when it hits
the end of the file and n NoImplementedError when it hits packets that are not iNetx. It returns
the ip, udp and inetx packets"""
# already at the end of the file
if self.bytesread >= self.filesize:
raise IOError
# otherwise pull our the PCAP header size. Should really push headersize to the object self
pcapheader = self.fopen.read(Pcap.RECORD_HEADER_SIZE)
(sec, usec, incl_len,
orig_len) = struct.unpack(Pcap.RECORD_HEADER_FORMAT, pcapheader)
# now we have a packet then lets deconstruct it. first read in the ethernet header and unpack it
eth_header = SimpleEthernet.Ethernet(
self.fopen.read(SimpleEthernet.Ethernet.HEADERLEN))
# This is the most portable but as a quick hack I'm going
# to ignore smoe packets. All non-IP packets for starter
if eth_header.type != 2048:
throwaway = self.fopen.read(orig_len -
SimpleEthernet.Ethernet.HEADERLEN)
self.bytesread += (orig_len + Pcap.RECORD_HEADER_SIZE)
raise NotImplementedError
# pull apart the other headers. Again I'm assuming all the IP packets
# are udp packets
ip_header = SimpleEthernet.IP(
self.fopen.read(SimpleEthernet.IP.HEADERLEN))
udp_header = SimpleEthernet.UDP(
self.fopen.read(SimpleEthernet.UDP.HEADERLEN))
# Lets create an iNetx packet then test if we are really dealing with an
# inetx packet. Do this by testing the first 4 bytes which should be the control word
CONTROLWORD_LEN = 4
CONTROLWORD_STRING = struct.pack('>I', 0x11000000)
inetx_packet = iNetX.iNetX()
inetx_packet.packet = self.fopen.read(CONTROLWORD_LEN)
# So are the first 4 bytes the control word
if inetx_packet.packet != CONTROLWORD_STRING:
# throw away the rest of the packet and bail out with an exception
throwaway = self.fopen.read(orig_len -
SimpleEthernet.Ethernet.HEADERLEN -
SimpleEthernet.IP.HEADERLEN -
SimpleEthernet.UDP.HEADERLEN -
CONTROLWORD_LEN)
self.bytesread += (orig_len + headersize)
raise NotImplementedError
# So we have an inetx packet, read in the rest of the pcap packet and unpack it as an inetX packet
inetx_packet.packet += self.fopen.read(
orig_len - SimpleEthernet.Ethernet.HEADERLEN -
SimpleEthernet.IP.HEADERLEN - SimpleEthernet.UDP.HEADERLEN -
CONTROLWORD_LEN)
inetx_packet.unpack(inetx_packet.packet)
self.bytesread += (headersize + orig_len)
# return the interesting packet headers, the packet time and the temperature if it exists
return (inetx_packet, ip_header, udp_header, sec, bcu_temperature)
def UDPClient(arg):
while True:
data, addr = udp_socket.recvfrom(2048)
packet = inetx.iNetX()
packet.unpack(data)
samples = struct.unpack("{}H".format(PARAMETERS_PER_PACKET),packet.payload)
datastack.extend(samples)
def test_basiciNet(self):
i = inetx.iNetX()
i.sequence = 1
i.pif = 0
i.streamid = 0xdc
i.setPacketTime(1,1)
i.payload = struct.pack('H',0x5)
expected_payload = struct.pack(inetx.iNetX.INETX_HEADER_FORMAT,inetx.iNetX.DEF_CONTROL_WORD,0xdc,1,30,1,1,0) + struct.pack('H',0x5)
self.assertEqual(i.pack(),expected_payload)
def test_defaultiNet(self):
i = inetx.iNetX()
self.assertEqual(i.packetlen,None)
self.assertEqual(i.inetxcontrol,inetx.iNetX.DEF_CONTROL_WORD)
self.assertEqual(i.ptptimeseconds,None)
self.assertEqual(i.ptptimenanoseconds,None)
self.assertEqual(i.pif,None)
self.assertEqual(i.payload,None)
self.assertEqual(i.sequence,None)
self.assertEqual(i.streamid,None)
def test_defaultiNet(self):
i = inetx.iNetX()
self.assertEqual(i.packetlen, None)
self.assertEqual(i.inetxcontrol, inetx.iNetX.DEF_CONTROL_WORD)
self.assertEqual(i.ptptimeseconds, None)
self.assertEqual(i.ptptimenanoseconds, None)
self.assertEqual(i.pif, None)
self.assertEqual(i.payload, None)
self.assertEqual(i.sequence, None)
self.assertEqual(i.streamid, None)
def test_unpackiNet(self):
expected_payload = struct.pack(inetx.iNetX.INETX_HEADER_FORMAT,inetx.iNetX.DEF_CONTROL_WORD,0xdc,2,30,1,1,0) + struct.pack('H',0x5)
i = inetx.iNetX()
i.unpack(expected_payload)
self.assertEqual(i.sequence,2)
self.assertEqual(i.streamid,0xdc)
self.assertEqual(i.ptptimeseconds,1)
self.assertEqual(i.ptptimenanoseconds,1)
self.assertEqual(i.packetlen,30)
self.assertEqual(i.pif,0)
self.assertEqual(i.payload,struct.pack('H',0x5))
def test_basiciNet(self):
i = inetx.iNetX()
i.sequence = 1
i.pif = 0
i.streamid = 0xdc
i.setPacketTime(1, 1)
i.payload = struct.pack('H', 0x5)
expected_payload = struct.pack(inetx.iNetX.INETX_HEADER_FORMAT,
inetx.iNetX.DEF_CONTROL_WORD, 0xdc, 1,
30, 1, 1, 0) + struct.pack('H', 0x5)
self.assertEqual(i.pack(), expected_payload)
def test_unpackiNet(self):
expected_payload = struct.pack(inetx.iNetX.INETX_HEADER_FORMAT,
inetx.iNetX.DEF_CONTROL_WORD, 0xdc, 2,
30, 1, 1, 0) + struct.pack('H', 0x5)
i = inetx.iNetX()
i.unpack(expected_payload)
self.assertEqual(i.sequence, 2)
self.assertEqual(i.streamid, 0xdc)
self.assertEqual(i.ptptimeseconds, 1)
self.assertEqual(i.ptptimenanoseconds, 1)
self.assertEqual(i.packetlen, 30)
self.assertEqual(i.pif, 0)
self.assertEqual(i.payload, struct.pack('H', 0x5))
def test_unpackiNet(self):
expected_payload = struct.pack(inetx.iNetX.INETX_HEADER_FORMAT,inetx.iNetX.DEF_CONTROL_WORD, 0xdc, 2, 30, 1, 1, 0) + \
struct.pack('H',0x5)
i = inetx.iNetX(expected_payload)
self.assertEqual(i.sequence,2)
self.assertEqual(i.streamid,0xdc)
self.assertEqual(i.ptptimeseconds,1)
self.assertEqual(i.ptptimenanoseconds,1)
self.assertEqual(i.packetlen,30)
self.assertEqual(i.pif,0)
self.assertEqual(i.payload,struct.pack('H',0x5))
self.assertEqual(repr(i), "STREAMID=0XDC SEQ=2 LEN=30 PTPS=1 PTPNS=1")
i2 = copy.copy(i)
self.assertEqual(i, i2)
self.assertEqual(len(i), 28+2)
def _readNextiNetXPacket(self):
"""This method will read the next iNetX packet one by one. It will raise an IOError when it hits
the end of the file and n NoImplementedError when it hits packets that are not iNetx. It returns
the ip, udp and inetx packets"""
# already at the end of the file
if self.bytesread >= self.filesize:
raise IOError
# otherwise pull our the PCAP header size. Should really push headersize to the object self
pcapheader = self.fopen.read(Pcap.RECORD_HEADER_SIZE)
(sec,usec,incl_len,orig_len) = struct.unpack(Pcap.RECORD_HEADER_FORMAT,pcapheader)
# now we have a packet then lets deconstruct it. first read in the ethernet header and unpack it
eth_header = SimpleEthernet.Ethernet(self.fopen.read(SimpleEthernet.Ethernet.HEADERLEN))
# This is the most portable but as a quick hack I'm going
# to ignore smoe packets. All non-IP packets for starter
if eth_header.type != 2048:
throwaway=self.fopen.read(orig_len-SimpleEthernet.Ethernet.HEADERLEN)
self.bytesread += (orig_len+Pcap.RECORD_HEADER_SIZE)
raise NotImplementedError
# pull apart the other headers. Again I'm assuming all the IP packets
# are udp packets
ip_header = SimpleEthernet.IP(self.fopen.read(SimpleEthernet.IP.HEADERLEN))
udp_header = SimpleEthernet.UDP(self.fopen.read(SimpleEthernet.UDP.HEADERLEN))
# Lets create an iNetx packet then test if we are really dealing with an
# inetx packet. Do this by testing the first 4 bytes which should be the control word
CONTROLWORD_LEN=4
CONTROLWORD_STRING = struct.pack('>I',0x11000000)
inetx_packet = iNetX.iNetX()
inetx_packet.packet = self.fopen.read(CONTROLWORD_LEN)
# So are the first 4 bytes the control word
if inetx_packet.packet != CONTROLWORD_STRING:
# throw away the rest of the packet and bail out with an exception
throwaway=self.fopen.read(orig_len-SimpleEthernet.Ethernet.HEADERLEN-SimpleEthernet.IP.HEADERLEN-SimpleEthernet.UDP.HEADERLEN-CONTROLWORD_LEN)
self.bytesread += (orig_len+headersize)
raise NotImplementedError
# So we have an inetx packet, read in the rest of the pcap packet and unpack it as an inetX packet
inetx_packet.packet += self.fopen.read(orig_len-SimpleEthernet.Ethernet.HEADERLEN-SimpleEthernet.IP.HEADERLEN-SimpleEthernet.UDP.HEADERLEN-CONTROLWORD_LEN)
inetx_packet.unpack(inetx_packet.packet)
self.bytesread += (headersize + orig_len)
# return the interesting packet headers, the packet time and the temperature if it exists
return (inetx_packet,ip_header,udp_header,sec,bcu_temperature)
def test_read_pcap(self):
p = pcap.Pcap(os.path.join(THIS_DIR, "valid_paligned.pcap"))
mypcaprecord = p[0]
p.close()
# Now I have a _payload that will be an inetx packet
i = inetx.iNetX()
i.unpack(mypcaprecord.payload[0x2a:-4])
self.assertEqual(i.streamid, 0xa00)
p = paligned.ParserAlignedPacket()
p.unpack(i.payload)
self.assertEqual(len(p), 83)
self.assertEqual(repr(p), expected_p)
for i, b in enumerate(p):
if i == 3:
self.assertEqual(len(b), 12)
self.assertEqual(repr(b), "QuadBytes=3 Error=False ErrorCode=0 BusID=16 MessageCount=3 ElapsedTime=10000")
def test_unpackMultiplePackets(self):
sequencenum = 1011
mypcap = pcap.Pcap(os.path.join(THIS_DIR, "inetx_test.pcap")) # Read the pcap file
for mypcaprecord in mypcap:
ethpacket = SimpleEthernet.Ethernet() # Create an Ethernet object
ethpacket.unpack(mypcaprecord.packet) # Unpack the pcap record into the eth object
ippacket = SimpleEthernet.IP() # Create an IP packet
ippacket.unpack(ethpacket.payload) # Unpack the ethernet _payload into the IP packet
udppacket = SimpleEthernet.UDP() # Create a UDP packet
udppacket.unpack(ippacket.payload) # Unpack the IP _payload into the UDP packet
inetxpacket = inetx.iNetX() # Create an iNetx object
inetxpacket.unpack(udppacket.payload) # Unpack the UDP _payload into this iNetX object
#print "INETX: StreamID ={:08X} Sequence = {:8d} PTP Seconds = {}".format(inetxpacket.streamid,inetxpacket.sequence,inetxpacket.ptptimeseconds)
self.assertEqual(inetxpacket.sequence,sequencenum)
sequencenum += 1
mypcap.close()
def test_unpackiNetFromPcap(self):
p = pcap.Pcap("inetx_test.pcap")
p.readGlobalHeader()
mypcaprecord = p.readAPacket()
e = SimpleEthernet.Ethernet()
e.unpack(mypcaprecord.packet)
ip = SimpleEthernet.IP()
ip.unpack(e.payload)
u = SimpleEthernet.UDP()
u.unpack(ip.payload)
# Now I have a payload that will be an inetx packet
i = inetx.iNetX()
i.unpack(u.payload)
self.assertEquals(i.inetxcontrol,0x11000000)
self.assertEquals(i.streamid,0xca)
self.assertEquals(i.sequence,1011)
self.assertEquals(i.packetlen,72)
self.assertEquals(i.ptptimeseconds,0x2f3)
self.assertEquals(i.ptptimenanoseconds,0x2cb4158c)
self.assertEquals(i.pif,0)
def test_unpackiNetFromPcap(self):
p = pcap.Pcap("inetx_test.pcap")
p.readGlobalHeader()
mypcaprecord = p.readAPacket()
e = SimpleEthernet.Ethernet()
e.unpack(mypcaprecord.packet)
ip = SimpleEthernet.IP()
ip.unpack(e.payload)
u = SimpleEthernet.UDP()
u.unpack(ip.payload)
# Now I have a payload that will be an inetx packet
i = inetx.iNetX()
i.unpack(u.payload)
self.assertEquals(i.inetxcontrol, 0x11000000)
self.assertEquals(i.streamid, 0xca)
self.assertEquals(i.sequence, 1011)
self.assertEquals(i.packetlen, 72)
self.assertEquals(i.ptptimeseconds, 0x2f3)
self.assertEquals(i.ptptimenanoseconds, 0x2cb4158c)
self.assertEquals(i.pif, 0)
def test_unpackiNetFromPcap(self):
p = pcap.Pcap(os.path.join(THIS_DIR, "inetx_test.pcap"))
mypcaprecord = p[0]
p.close()
e = SimpleEthernet.Ethernet()
e.unpack(mypcaprecord.packet)
ip = SimpleEthernet.IP()
ip.unpack(e.payload)
u = SimpleEthernet.UDP()
u.unpack(ip.payload)
# Now I have a _payload that will be an inetx packet
i = inetx.iNetX()
i.unpack(u.payload)
self.assertEqual(i.inetxcontrol,0x11000000)
self.assertEqual(i.streamid,0xca)
self.assertEqual(i.sequence,1011)
self.assertEqual(i.packetlen,72)
self.assertEqual(i.ptptimeseconds,0x2f3)
self.assertEqual(i.ptptimenanoseconds,0x2cb4158c)
self.assertEqual(i.pif,0)
def test_readAllMPEGTS(self):
'''
Reads the same mpeg ts file as previously but reads all the data
in the file and checks for any continuity errors
:return:
'''
p = pcap.Pcap(os.path.join(THIS_DIR, "mpegts_input.pcap"))
for mypcaprecord in p:
ethpacket = SimpleEthernet.Ethernet() # Create an Ethernet object
ethpacket.unpack(mypcaprecord.packet) # Unpack the pcap record into the eth object
ippacket = SimpleEthernet.IP() # Create an IP packet
ippacket.unpack(ethpacket.payload) # Unpack the ethernet _payload into the IP packet
udppacket = SimpleEthernet.UDP() # Create a UDP packet
udppacket.unpack(ippacket.payload) # Unpack the IP _payload into the UDP packet
inetxpacket = inetx.iNetX() # Create an iNetx object
inetxpacket.unpack(udppacket.payload) # Unpack the UDP _payload into this iNetX object
mpegts = MPEGTS.MPEGTS()
mpegts.unpack(inetxpacket.payload)
self.assertEqual(mpegts.NumberOfBlocks(),7)
self.assertFalse(mpegts.contunityerror)
p.close()
def test_unpackMultiplePackets(self):
sequencenum = 1011
mypcap = pcap.Pcap("inetx_test.pcap") # Read the pcap file
mypcap.readGlobalHeader()
while True:
# Loop through the pcap file reading one packet at a time
try:
mypcaprecord = mypcap.readAPacket()
except IOError:
# End of file reached
break
ethpacket = SimpleEthernet.Ethernet() # Create an Ethernet object
ethpacket.unpack(mypcaprecord.packet) # Unpack the pcap record into the eth object
ippacket = SimpleEthernet.IP() # Create an IP packet
ippacket.unpack(ethpacket.payload) # Unpack the ethernet payload into the IP packet
udppacket = SimpleEthernet.UDP() # Create a UDP packet
udppacket.unpack(ippacket.payload) # Unpack the IP payload into the UDP packet
inetxpacket = inetx.iNetX() # Create an iNetx object
inetxpacket.unpack(udppacket.payload) # Unpack the UDP payload into this iNetX object
#print "INETX: StreamID ={:08X} Sequence = {:8d} PTP Seconds = {}".format(inetxpacket.streamid,inetxpacket.sequence,inetxpacket.ptptimeseconds)
self.assertEquals(inetxpacket.sequence,sequencenum)
sequencenum += 1
ethernet_packet = SimpleEthernet.Ethernet()
ethernet_packet.srcmac = 0x001122334455
ethernet_packet.dstmac = 0x554433221100
ethernet_packet.type = SimpleEthernet.Ethernet.TYPE_IP
ip_packet = SimpleEthernet.IP()
ip_packet.dstip = "235.0.0.2"
ip_packet.srcip = "127.0.0.1"
udp_packet = SimpleEthernet.UDP()
udp_packet.dstport = 4422
# Fixed payload for both
payload = (struct.pack(">B", 5) * PAYLOAD_SIZE)
if args.type == "inetx":
# Create an inetx packet
avionics_packet = inetx.iNetX()
avionics_packet.inetxcontrol = inetx.iNetX.DEF_CONTROL_WORD
avionics_packet.pif = 0
avionics_packet.streamid = 0xdc
avionics_packet.sequence = 0
avionics_packet.payload = payload
elif args.type == "iena":
# Create an iena packet
avionics_packet = iena.IENA()
avionics_packet.key = 0xdc
avionics_packet.keystatus = 0
avionics_packet.endfield = 0xbeef
avionics_packet.sequence = 0
avionics_packet.payload = payload
avionics_packet.status = 0
def main():
#----------------------------------
# Setup the command line parser
#----------------------------------
parser = argparse.ArgumentParser(
description='Live Analysis of BCU transmitted packets.')
parser.add_argument('--inetx',
type=int,
default=None,
required=False,
help='Receiving iNetX packets on this UDP port')
parser.add_argument('--iena',
type=int,
default=None,
required=False,
help='Receiving IENA packets on this UDP port')
args = parser.parse_args()
if args.inetx != None:
udp_port = args.inetx
is_inetx = True
elif args.iena != None:
udp_port = args.iena
is_inetx = False
else:
parser.print_help()
exit()
#------------------------------------------------------------
# Setup the coloured output
#------------------------------------------------------------
colouredop = ColouredOutput.ColouredOutput()
colouredop.PrintHeader()
colouredop.PrintFileName("UDP Port={}".format(udp_port))
colouredop.PrintExitInfo("Hit ESC to exit...")
#------------------------------------------------------------
# Setup a socket to recieve all traffic
#------------------------------------------------------------
try:
recv_socket = McastSocket.McastSocket(local_port=udp_port, reuse=1)
recv_socket.mcast_add('235.0.0.1', '0.0.0.0')
recv_socket.settimeout(10)
except:
print "Can't bind to socket {}".format(udp_port)
exit()
packet_count = 1
while True:
# Exit if the esc or q key is hit
if os.name == "nt":
# Exit if the esc or q key is hit
if msvcrt.kbhit():
if (ord(msvcrt.getch()) == 27 or ord(msvcrt.getch()) == 113):
exit()
# Capture some data from the socket
try:
data, addr = recv_socket.recvfrom(
2048) # buffer size is 1500 bytes
except socket.timeout:
print "timeout on socket"
exit()
(udpsrcport, srcipaddr) = addr
# Create a new packet depending on the command line arguments
# and unpack the received data into these objects
if is_inetx:
avionics_packet = inetx.iNetX()
data_len = len(data)
avionics_packet.unpack(data)
try:
avionics_packet.unpack(data)
except ValueError:
# This isn't an inetx packet
packet_count += 1
continue
else:
avionics_packet = iena.IENA()
try:
avionics_packet.unpack(data)
except ValueError:
# We got a length error. Should really handle this better. We could bail on this?
packet_count += 1
exit()
if is_inetx:
# What string do we want outputted to the screen. The output format is defined in the coloredop class
outstring = colouredop.output_format.format(
avionics_packet.streamid, udpsrcport, avionics_packet.sequence,
datetime.datetime.fromtimestamp(
avionics_packet.ptptimeseconds).strftime('%H:%M:%S'))
# Print out one line and the dropped packet info
colouredop.PrintALine(outstring, avionics_packet.sequence,
avionics_packet.streamid)
colouredop.PrintDroppedPacket(avionics_packet.sequence,
avionics_packet.streamid,
packet_count, udp_port)
else:
outstring = colouredop.output_format.format(
avionics_packet.key, udpsrcport, avionics_packet.sequence,
datetime.datetime.fromtimestamp(
avionics_packet._getPacketTime()).strftime('%H:%M:%S'))
colouredop.PrintALine(outstring, avionics_packet.sequence,
avionics_packet.key)
packet_count += 1
def main():
# Setup some constants
PACKETS_TO_RECEIVE = 1000
#----------------------------------
# Setup the command line parser
#----------------------------------
parser = argparse.ArgumentParser(description='Live Analysis of BCU transmitted packets.')
parser.add_argument('--inetx', type=int, default=None, required=False, help='Receiving iNetX packets on this UDP port')
parser.add_argument('--iena', type=int, default=None, required=False, help='Receiving IENA packets on this UDP port')
parser.add_argument('--address', type=str, default="235.0.0.1", required=False, help='Destination multicast address')
args = parser.parse_args()
if args.inetx != None:
udp_port = args.inetx
is_inetx = True
elif args.iena != None:
udp_port = args.iena
is_inetx = False
else:
parser.print_help()
exit()
#------------------------------------------------------------
# Setup a socket to receive all traffic
#------------------------------------------------------------
try:
recv_socket = mcast.McastSocket(local_port=udp_port, reuse=1)
recv_socket.mcast_add(args.address, '0.0.0.0')
recv_socket.settimeout(3)
except:
print("Can't bind to socket {}".format(udp_port))
exit()
start_time = time.time()
packet_count = 1
drop_count = 0
streams = dict()
data_len = deque()
while packet_count < PACKETS_TO_RECEIVE:
# Capture some data from the socket
try:
data, addr = recv_socket.recvfrom(2048) # buffer size is 1500 bytes
except:
print("timeout on socket")
exit()
(udpsrcport,srcipaddr) = addr
# keep a track of the sizes of the last 20 packets received so that we
# can calculate the bandwitdh
# The data returned in the UDP _payload only so add 42 bytes for the rest of the
# ethernet header just so the calculated number agress with Wireshark
data_len.append(len(data)+42)
if len(data_len) > 20:
data_len.popleft()
# Create a new packet depending on the command line arguments
# and unpack the received data into these objects
if is_inetx:
avionics_packet = inetx.iNetX()
avionics_packet.unpack(data)
try:
avionics_packet.unpack(data)
except ValueError:
# This isn't an inetx packet
packet_count += 1
continue
else:
avionics_packet = iena.IENA()
try:
avionics_packet.unpack(data)
except ValueError:
# Not a valid IENA packet
packet_count += 1
continue
if is_inetx:
if avionics_packet.streamid in streams:
if avionics_packet.sequence != ((streams[avionics_packet.streamid] +1) % 0x100000000):
drop_count += 1
streams[avionics_packet.streamid] = avionics_packet.sequence
else:
if avionics_packet.key in streams:
if avionics_packet.sequence != ((streams[avionics_packet.key] +1) % 65536):
drop_count += 1
streams[avionics_packet.key] = avionics_packet.sequence
packet_count += 1
end_time = time.time()
average_len = sum(data_len)/len(data_len)
print("INFO: Recevied {} packets in {} seconds with {} dropped packets".format(packet_count,end_time-start_time,drop_count))
print("INFO: Recevied {:.3f} Mbps".format((average_len*packet_count*8)/((end_time-start_time)*1024*1024)))
def main():
#----------------------------------
# Setup the command line parser
#----------------------------------
parser = argparse.ArgumentParser(
description=
'Analyse a pcap file looking for iNetX parser aligned packets')
parser.add_argument('--pcap',
required=True,
action='append',
help='The dump pcap packet')
args = parser.parse_args()
#------------------------------------------------------------
# Now read the input.
#------------------------------------------------------------
# The input will take multiple pcap files and loop through each
for pcapfilename in args.pcap:
try:
pcapfile = pcap.Pcap(pcapfilename)
except IOError:
print "ERROR: File {} not found".format(pcapfilename)
exit()
packet_count = 1
start_of_run = time.time() # benchmarking
while True:
try:
# So we loop through the file one packet at a time. This will eventually return an
# exception at the end of file so handle that when it occurs
(eth_packet, ip_packet,
udp_packet) = pcapfile._readNextUDPPacket()
if udp_packet.isinetx: # This is a rough guess assuming the control word is 0x11000000
inetx_packet = inetx.iNetX()
inetx_packet.unpack(udp_packet.payload)
readablemac = mactoreadable(
eth_packet.srcmac
) # handy function to return the mac address in a readable format
output_format = "SRCMAC={:>20s} SRCIP={:>15s} DSTPORT={:5d} StreamID={:#5x} Sequence={:10d}"
# What string do we want outputted to the screen. The output format is defined in the coloredop class
outstring = output_format.format(readablemac,
ip_packet.srcip,
udp_packet.dstport,
inetx_packet.streamid,
inetx_packet.sequence)
# Print out one line and the dropped packet info
print outstring
# We have a parser aligned block
if inetx_packet.streamid == 0x11121314: # This specific streamid is a parser aligned block
parser_aligned_packet = ParserAligned.ParserAlignedPacket(
)
# unpack the payload as the parser data
parser_aligned_packet.unpack(inetx_packet.payload)
# Loop through all the blocks in the packet and spit them out
for pblock in parser_aligned_packet.parserblocks:
(payload_data, ) = struct.unpack(
'>I', pblock.payload)
print "Quadb={:5} Msgcnt={:5} BusId={:4} Elapsed={:20}".format(
pblock.quadbytes, pblock.messagecount,
pblock.busid, pblock.elapsedtime, payload_data)
packet_count += 1
except NotImplementedError:
# We received a packet that we don't care about. So skip silently
packet_count += 1
pass
except IOError:
# We are at the end of the file so lets jump to the next file
print(
"End of file reached. Packets Per Second ={:5.1f}".format(
packet_count / (time.time() - start_of_run)))
break
def main():
#----------------------------------
# Setup the command line parser
#----------------------------------
parser = argparse.ArgumentParser(
description=
'Dump out the payload of iNetX packets as ASCII representations')
parser.add_argument('--pcap',
required=True,
action='append',
help='The input pcap file(s)')
parser.add_argument(
'--hex',
required=False,
action='store_true',
default=False,
help='Print the hex representation not the ASCII coded version')
parser.add_argument('--outdir',
required=False,
default="out",
help='Name of output directory. Default is out')
args = parser.parse_args()
#------------------------------------------------------------
# Now read the input.
#------------------------------------------------------------
# The input will take multiple pcap files and loop through each
# Keep a track of the position in the line for each streamID
output_byte_count = {}
for pcapfilename in args.pcap:
try:
pcapfile = pcap.Pcap(pcapfilename)
except IOError:
print "ERROR: File {} not found".format(pcapfilename)
exit()
if not os.path.exists(args.outdir):
os.mkdir(args.outdir)
pcapfile.readGlobalHeader()
while True:
try:
# So we loop through the file one packet at a time. This will eventually return an
# exception at the end of file so handle that when it occurs
pcaprecord = pcapfile.readAPacket()
eth = SimpleEthernet.Ethernet()
eth.unpack(pcaprecord.packet)
ip = SimpleEthernet.IP()
ip.unpack(eth.payload)
udp_packet = SimpleEthernet.UDP()
udp_packet.unpack(ip.payload)
(ctrl_word, ) = struct.unpack('>I', udp_packet.payload[:4])
if ctrl_word == 0x11000000:
inetx_packet = inetx.iNetX()
# Unpack the udp payload as an iNetx packet
inetx_packet.unpack(udp_packet.payload)
# Do we want to dump out an ascii or hex output
if args.hex == True:
prefix = "hex"
else:
prefix = "ascii"
# Create an output file per streamID and open it
output_file_name = "{}/{}_{:08X}.txt".format(
args.outdir, prefix, inetx_packet.streamid)
# NB: We are appending to the file here so if you have existing files in the directory then it will be appended
output_file = open(output_file_name, 'a')
# Start the byte count per streamID
if not output_byte_count.has_key(inetx_packet.streamid):
output_byte_count[inetx_packet.streamid] = 1
# Go thorough each byte in the payload. Not particularly efficient
for byte in inetx_packet.payload:
# Unpack the payload as an unsigned integer
(byte_in_ascii, ) = struct.unpack('B', byte)
# Write the output depending on what you want
if args.hex == True:
output_file.write("{:02X} ".format(byte_in_ascii))
else:
# Only some ASCII codes are printable so don't print out
# the non printable ones. Emulate the wireshark method of printing a period
if byte_in_ascii < 31 or byte_in_ascii > 126:
printable_string = "."
else:
printable_string = chr(byte_in_ascii)
output_file.write("{}".format(printable_string))
# Create a new line after 16 bytes for readability
if (output_byte_count[inetx_packet.streamid] %
16 == 0):
output_file.write('\n')
output_byte_count[inetx_packet.streamid] += 1
except NotImplementedError:
# We received a packet that we don't care about. So skip silently
pass
except IOError:
# We are at the end of the file so lets jump to the next file
print("End of {} reached.".format(pcapfilename))
break
print "Output files created in {} directory".format(args.outdir)
def main():
#----------------------------------
# Setup the command line parser
#----------------------------------
parser = argparse.ArgumentParser(description='Analyse MPEG TS over inetx.')
parser.add_argument('--inetx',
type=int,
default=None,
required=True,
help='Capture iNetX packets on this port')
parser.add_argument('--multicast',
type=str,
default="235.0.0.1",
required=False,
help='The transmited multicast address')
parser.add_argument('--localhost',
type=str,
default='192.168.28.110',
required=False,
help='The IP address of the local ethernet card')
args = parser.parse_args()
if args.inetx == None:
parser.print_help()
exit()
PID_TEXT = {
0x1fff: "Null",
0x0: "Program Association Table",
0x100: "VID106_Video",
0x101: "VID106_Audio",
0x1000: "Program Map Table",
0x3E8: "VID103_Video",
0x20: "Unkn"
}
#------------------------------------------------------------
# Setup a socket to recieve all traffic
#------------------------------------------------------------
#try:
recv_socket = McastSocket.McastSocket(local_port=args.inetx, reuse=1)
recv_socket.mcast_add(args.multicast, args.localhost)
recv_socket.settimeout(10)
#except:
# print "Can't bind to socket {}".format(args.inetx)
# print sys.exc_info()[0]
# exit()
aligned_payload = ""
while True:
# Capture some data from the socket
try:
data, addr = recv_socket.recvfrom(
2048) # buffer size is 1500 bytes
except socket.timeout:
print "timeout on socket"
exit()
# we are expecting a iNetX packets
inetxpacket = inetx.iNetX()
try:
inetxpacket.unpack(data)
except:
pass
# if we are in snarfer mode then align the payload
aligned_payload = align_payload(aligned_payload + inetxpacket.payload)
if len(aligned_payload) >= 1316:
# take the aligned payload and convert it into MPEG TS blocks
# Then print out the blocks
mpegtspackets = mpegts.MPEGTS()
mpegtspackets.unpack(aligned_payload[:1316])
for mpegblock in mpegtspackets.blocks:
print "PID = {}".format(PID_TEXT[mpegblock.pid])
aligned_payload = aligned_payload[1316:]
def main():
#----------------------------------
# Setup the command line parser
#----------------------------------
parser = argparse.ArgumentParser(description='Analyse MPEG TS over inetx.')
parser.add_argument('--inetx', type=int, default=None, required=True, help='Capture iNetX packets on this port')
parser.add_argument('--multicast', type=str, default="235.0.0.1", required=False, help='The transmited multicast address')
parser.add_argument('--localhost', type=str, default='192.168.28.110', required=False, help='The IP address of the local ethernet card')
args = parser.parse_args()
if args.inetx == None :
parser.print_help()
exit()
PID_TEXT = {0x1fff : "Null", 0x0 : "Program Association Table", 0x100 : "VID106_Video" , 0x101 : "VID106_Audio", 0x1000 : "Program Map Table", 0x3E8 : "VID103_Video", 0x20 : "Unkn"}
#------------------------------------------------------------
# Setup a socket to recieve all traffic
#------------------------------------------------------------
#try:
recv_socket = McastSocket.McastSocket(local_port=args.inetx, reuse=1)
recv_socket.mcast_add(args.multicast, args.localhost)
recv_socket.settimeout(10)
#except:
# print "Can't bind to socket {}".format(args.inetx)
# print sys.exc_info()[0]
# exit()
aligned_payload = ""
while True:
# Capture some data from the socket
try:
data, addr = recv_socket.recvfrom(2048) # buffer size is 1500 bytes
except socket.timeout:
print "timeout on socket"
exit()
# we are expecting a iNetX packets
inetxpacket = inetx.iNetX()
try:
inetxpacket.unpack(data)
except:
pass
# if we are in snarfer mode then align the payload
aligned_payload = align_payload(aligned_payload+inetxpacket.payload)
if len(aligned_payload) >= 1316:
# take the aligned payload and convert it into MPEG TS blocks
# Then print out the blocks
mpegtspackets = mpegts.MPEGTS()
mpegtspackets.unpack(aligned_payload[:1316])
for mpegblock in mpegtspackets.blocks:
print "PID = {}".format(PID_TEXT[mpegblock.pid])
aligned_payload = aligned_payload[1316:]
UDP_IP = "235.0.0.1"
UDP_PORT = 5005
print "UDP target IP:", UDP_IP
print "UDP target port:", UDP_PORT
sock = mcast.McastSocket()
sock.mcast_add(UDP_IP)
# Fixed payload for both
payload = struct.pack(">L",5)
# Create an inetx packet
myinetx = inetx.iNetX()
myinetx.inetxcontrol = inetx.iNetX.DEF_CONTROL_WORD
myinetx.pif = 0
myinetx.streamid = 0xdc
myinetx.sequence = 0
myinetx.payload = payload
# Create an iena packet
myiena = iena.IENA()
myiena.key = 0xdc
myiena.keystatus = 0
myiena.endfield = 0xbeef
myiena.sequence = 0
myiena.payload = payload
myiena.status = 0
def main():
#----------------------------------
# Setup the command line parser
#----------------------------------
parser = argparse.ArgumentParser(description='Analyse a pcap file looking for iNetX parser aligned packets')
parser.add_argument('--pcap', required=True, action='append', help='The dump pcap packet')
args = parser.parse_args()
#------------------------------------------------------------
# Now read the input.
#------------------------------------------------------------
# The input will take multiple pcap files and loop through each
for pcapfilename in args.pcap:
try:
pcapfile = pcap.Pcap(pcapfilename)
except IOError:
print "ERROR: File {} not found".format(pcapfilename)
exit()
packet_count = 1
start_of_run = time.time() # benchmarking
while True:
try:
# So we loop through the file one packet at a time. This will eventually return an
# exception at the end of file so handle that when it occurs
(eth_packet,ip_packet,udp_packet) = pcapfile._readNextUDPPacket()
if udp_packet.isinetx: # This is a rough guess assuming the control word is 0x11000000
inetx_packet = inetx.iNetX()
inetx_packet.unpack(udp_packet.payload)
readablemac = mactoreadable(eth_packet.srcmac) # handy function to return the mac address in a readable format
output_format = "SRCMAC={:>20s} SRCIP={:>15s} DSTPORT={:5d} StreamID={:#5x} Sequence={:10d}"
# What string do we want outputted to the screen. The output format is defined in the coloredop class
outstring =output_format.format(readablemac ,ip_packet.srcip, udp_packet.dstport,inetx_packet.streamid,inetx_packet.sequence)
# Print out one line and the dropped packet info
print outstring
# We have a parser aligned block
if inetx_packet.streamid == 0x11121314: # This specific streamid is a parser aligned block
parser_aligned_packet = ParserAligned.ParserAlignedPacket()
# unpack the payload as the parser data
parser_aligned_packet.unpack(inetx_packet.payload)
# Loop through all the blocks in the packet and spit them out
for pblock in parser_aligned_packet.parserblocks:
(payload_data,) =struct.unpack('>I',pblock.payload)
print "Quadb={:5} Msgcnt={:5} BusId={:4} Elapsed={:20}".format(pblock.quadbytes,pblock.messagecount,pblock.busid,pblock.elapsedtime,payload_data)
packet_count += 1
except NotImplementedError:
# We received a packet that we don't care about. So skip silently
packet_count += 1
pass
except IOError:
# We are at the end of the file so lets jump to the next file
print ( "End of file reached. Packets Per Second ={:5.1f}".format(packet_count/(time.time()-start_of_run)))
break
def main():
#----------------------------------
# Setup the command line parser
#----------------------------------
parser = argparse.ArgumentParser(description='Dump out the payload of iNetX packets as ASCII representations')
parser.add_argument('--pcap', required=True, action='append', help='The input pcap file(s)')
parser.add_argument('--hex', required=False, action='store_true', default=False, help='Print the hex representation not the ASCII coded version')
parser.add_argument('--outdir', required=False, default="out", help='Name of output directory. Default is out')
args = parser.parse_args()
#------------------------------------------------------------
# Now read the input.
#------------------------------------------------------------
# The input will take multiple pcap files and loop through each
# Keep a track of the position in the line for each streamID
output_byte_count ={}
for pcapfilename in args.pcap:
try:
pcapfile = pcap.Pcap(pcapfilename)
except IOError:
print "ERROR: File {} not found".format(pcapfilename)
exit()
if not os.path.exists(args.outdir):
os.mkdir(args.outdir)
pcapfile.readGlobalHeader()
while True:
try:
# So we loop through the file one packet at a time. This will eventually return an
# exception at the end of file so handle that when it occurs
pcaprecord = pcapfile.readAPacket()
eth = SimpleEthernet.Ethernet()
eth.unpack(pcaprecord.packet)
ip = SimpleEthernet.IP()
ip.unpack(eth.payload)
udp_packet = SimpleEthernet.UDP()
udp_packet.unpack(ip.payload)
(ctrl_word,) = struct.unpack('>I',udp_packet.payload[:4])
if ctrl_word == 0x11000000:
inetx_packet = inetx.iNetX()
# Unpack the udp payload as an iNetx packet
inetx_packet.unpack(udp_packet.payload)
# Do we want to dump out an ascii or hex output
if args.hex == True:
prefix = "hex"
else:
prefix = "ascii"
# Create an output file per streamID and open it
output_file_name = "{}/{}_{:08X}.txt".format(args.outdir,prefix,inetx_packet.streamid)
# NB: We are appending to the file here so if you have existing files in the directory then it will be appended
output_file = open(output_file_name,'a')
# Start the byte count per streamID
if not output_byte_count.has_key(inetx_packet.streamid):
output_byte_count[inetx_packet.streamid] = 1
# Go thorough each byte in the payload. Not particularly efficient
for byte in inetx_packet.payload:
# Unpack the payload as an unsigned integer
(byte_in_ascii,) =struct.unpack('B',byte)
# Write the output depending on what you want
if args.hex == True:
output_file.write("{:02X} ".format(byte_in_ascii))
else:
# Only some ASCII codes are printable so don't print out
# the non printable ones. Emulate the wireshark method of printing a period
if byte_in_ascii < 31 or byte_in_ascii > 126:
printable_string = "."
else:
printable_string = chr(byte_in_ascii)
output_file.write("{}".format(printable_string))
# Create a new line after 16 bytes for readability
if (output_byte_count[inetx_packet.streamid] % 16 == 0):
output_file.write('\n')
output_byte_count[inetx_packet.streamid] += 1
except NotImplementedError:
# We received a packet that we don't care about. So skip silently
pass
except IOError:
# We are at the end of the file so lets jump to the next file
print ( "End of {} reached.".format(pcapfilename))
break
print "Output files created in {} directory".format(args.outdir)
def main():
# Setup some constants
PACKETS_TO_RECEIVE = 1000
#----------------------------------
# Setup the command line parser
#----------------------------------
parser = argparse.ArgumentParser(description='Live Analysis of BCU transmitted packets.')
parser.add_argument('--inetx', type=int, default=None, required=False, help='Receiving iNetX packets on this UDP port')
parser.add_argument('--iena', type=int, default=None, required=False, help='Receiving IENA packets on this UDP port')
parser.add_argument('--address', type=str, default="235.0.0.1", required=False, help='Destination multicast address')
args = parser.parse_args()
if args.inetx != None:
udp_port = args.inetx
is_inetx = True
elif args.iena != None:
udp_port = args.iena
is_inetx = False
else:
parser.print_help()
exit()
#------------------------------------------------------------
# Setup a socket to receive all traffic
#------------------------------------------------------------
try:
recv_socket = mcast.McastSocket(local_port=udp_port, reuse=1)
recv_socket.mcast_add(args.address, '0.0.0.0')
recv_socket.settimeout(3)
except:
print "Can't bind to socket {}".format(udp_port)
exit()
start_time = time.time()
packet_count = 1
drop_count = 0
streams = dict()
data_len = deque()
while packet_count < PACKETS_TO_RECEIVE:
# Capture some data from the socket
try:
data, addr = recv_socket.recvfrom(2048) # buffer size is 1500 bytes
except:
print "timeout on socket"
exit()
(udpsrcport,srcipaddr) = addr
# keep a track of the sizes of the last 20 packets received so that we
# can calculate the bandwitdh
# The data returned in the UDP payload only so add 42 bytes for the rest of the
# ethernet header just so the calculated number agress with Wireshark
data_len.append(len(data)+42)
if len(data_len) > 20:
data_len.popleft()
# Create a new packet depending on the command line arguments
# and unpack the received data into these objects
if is_inetx:
avionics_packet = inetx.iNetX()
avionics_packet.unpack(data)
try:
avionics_packet.unpack(data)
except ValueError:
# This isn't an inetx packet
packet_count += 1
continue
else:
avionics_packet = iena.IENA()
try:
avionics_packet.unpack(data)
except ValueError:
# Not a valid IENA packet
packet_count += 1
continue
if is_inetx:
if avionics_packet.streamid in streams:
if avionics_packet.sequence != ((streams[avionics_packet.streamid] +1) % 0x100000000):
drop_count += 1
streams[avionics_packet.streamid] = avionics_packet.sequence
else:
if avionics_packet.key in streams:
if avionics_packet.sequence != ((streams[avionics_packet.key] +1) % 65536):
drop_count += 1
streams[avionics_packet.key] = avionics_packet.sequence
packet_count += 1
end_time = time.time()
average_len = sum(data_len)/len(data_len)
print "INFO: Recevied {} packets in {} seconds with {} dropped packets".format(packet_count,end_time-start_time,drop_count)
print "INFO: Recevied {:.3f} Mbps".format((average_len*packet_count*8)/((end_time-start_time)*1024*1024))
def main():
#----------------------------------
# Setup the command line parser
#----------------------------------
parser = argparse.ArgumentParser(description='Live Analysis of BCU transmitted packets.')
parser.add_argument('--inetx', type=int, default=None, required=False, help='Receiving iNetX packets on this UDP port')
parser.add_argument('--iena', type=int, default=None, required=False, help='Receiving IENA packets on this UDP port')
args = parser.parse_args()
if args.inetx != None:
udp_port = args.inetx
is_inetx = True
elif args.iena != None:
udp_port = args.iena
is_inetx = False
else:
parser.print_help()
exit()
#------------------------------------------------------------
# Setup the coloured output
#------------------------------------------------------------
colouredop = ColouredOutput.ColouredOutput()
colouredop.PrintHeader()
colouredop.PrintFileName("UDP Port={}".format(udp_port))
colouredop.PrintExitInfo("Hit ESC to exit...")
#------------------------------------------------------------
# Setup a socket to recieve all traffic
#------------------------------------------------------------
try:
recv_socket = McastSocket.McastSocket(local_port=udp_port, reuse=1)
recv_socket.mcast_add('235.0.0.1', '0.0.0.0')
recv_socket.settimeout(10)
except:
print("Can't bind to socket {}".format(udp_port))
exit()
packet_count = 1
while True:
# Exit if the esc or q key is hit
if os.name == "nt":
# Exit if the esc or q key is hit
if msvcrt.kbhit():
if ( ord(msvcrt.getch()) == 27 or ord(msvcrt.getch()) == 113):
exit()
# Capture some data from the socket
try:
data, addr = recv_socket.recvfrom(2048) # buffer size is 1500 bytes
except socket.timeout:
print("timeout on socket")
exit()
(udpsrcport,srcipaddr) = addr
# Create a new packet depending on the command line arguments
# and unpack the received data into these objects
if is_inetx:
avionics_packet = inetx.iNetX()
data_len = len(data)
avionics_packet.unpack(data)
try:
avionics_packet.unpack(data)
except ValueError:
# This isn't an inetx packet
packet_count += 1
continue
else:
avionics_packet = iena.IENA()
try:
avionics_packet.unpack(data)
except ValueError:
# We got a length error. Should really handle this better. We could bail on this?
packet_count += 1
exit()
if is_inetx:
# What string do we want outputted to the screen. The output format is defined in the coloredop class
outstring =colouredop.output_format.format(avionics_packet.streamid,udpsrcport,avionics_packet.sequence,datetime.datetime.fromtimestamp(avionics_packet.ptptimeseconds).strftime('%H:%M:%S'))
# Print out one line and the dropped packet info
colouredop.PrintALine(outstring,avionics_packet.sequence,avionics_packet.streamid)
colouredop.PrintDroppedPacket(avionics_packet.sequence,avionics_packet.streamid,packet_count,udp_port)
else:
outstring =colouredop.output_format.format(avionics_packet.key,udpsrcport,avionics_packet.sequence,datetime.datetime.fromtimestamp(avionics_packet._getPacketTime()).strftime('%H:%M:%S'))
colouredop.PrintALine(outstring,avionics_packet.sequence,avionics_packet.key)
packet_count += 1
SAMPLE_RATE = 512
PARAMETERS_PER_PACKET = 64
DELAY_BETWEEN_PACKETS = float(PARAMETERS_PER_PACKET)/SAMPLE_RATE # milliseconds
FREQ = 10
MULTICAST_IP = "235.0.0.1"
MULTICAST_PORT = 8010
AMPLITUDE = 30000
# end configuration
# open a socket
udp_socket = socket.socket(socket.AF_INET,socket.SOCK_DGRAM,socket.IPPROTO_UDP)
udp_socket.setsockopt(socket.IPPROTO_IP, socket.IP_MULTICAST_TTL, 2)
# Setup an inetx packet
adcpacket = inetx.iNetX()
adcpacket.streamid = 0xdc
adcpacket.sequence = 1
adcpacket.inetxcontrol = 0x11000000
adcpacket.pif = 0
adcpacket.ptptimeseconds = 0
adcpacket.ptptimenanoseconds = 0
sampletime = 0.0
# loop forever
while True:
signalValues = []
# calculate the sample values for all the parameters in the current packet
for sample in range(PARAMETERS_PER_PACKET):
sampletime = (sampletime + float(1.0/SAMPLE_RATE)) % 1.0
UDP_IP = "192.168.28.100"
UDP_PORT = 4444
print("UDP target IP:", UDP_IP)
print("UDP target port:", UDP_PORT)
print("Rate = {} Hz".format(args.rate))
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
#sock.mcast_add(UDP_IP)
# Fixed _payload for both
# Create an inetx packet
myinetx = inetx.iNetX()
payload = struct.pack(">I",0xa5)
myinetx.inetxcontrol = inetx.iNetX.DEF_CONTROL_WORD
myinetx.pif = 0
myinetx.streamid = 0xdc
myinetx.sequence = 0
myinetx.payload = payload * 512
# Create an iena packet
myiena = iena.IENA()
myiena.key = 0xdc
myiena.keystatus = 0
myiena.endfield = 0xbeef
myiena.sequence = 0
parser.add_argument('--ignoretime',required=False, action='store_true', default=False)
args = parser.parse_args()
# constants
PACKETS_TO_SEND = 50000
PAYLOAD_SIZE = 1300 # size of the _payload in bytes
HEADER_SIZE = {'udp' : 58 , 'inetx' :86 ,'iena':74}
UDP_IP = "235.0.0.1"
UDP_PORT = 8888
# Fixed _payload for both
payload = (struct.pack(">B",5) * PAYLOAD_SIZE)
if args.type == "inetx":
# Create an inetx packet
avionics_packet = inetx.iNetX()
avionics_packet.inetxcontrol = inetx.iNetX.DEF_CONTROL_WORD
avionics_packet.pif = 0
avionics_packet.streamid = 0xdc
avionics_packet.sequence = 0
avionics_packet.payload = payload
elif args.type == "iena":
# Create an iena packet
avionics_packet = iena.IENA()
avionics_packet.key = 0xdc
avionics_packet.keystatus = 0
avionics_packet.endfield = 0xbeef
avionics_packet.sequence = 0
avionics_packet.payload = payload
avionics_packet.status = 0
def main():
try:
pcapfile = pcap.Pcap("SSR_ABM_102_capture_example1.pcap")
except IOError:
print "ERROR: Could not find input file SSR_ABM_102_capture_example1.pcap"
exit()
# Keep a running count of the packets
packet_count = 1
# Keep a count of previous sequence number to detect a dropped packets
PreviousSeqNum = dict()
while True: # while we are not at the end of the file
try:
# So we loop through the file one packet at a time. This will eventually return an
# exception at the end of file so handle that when it occurs
pcaprecord = pcapfile.readAPacket()
eth = SimpleEthernet.Ethernet()
eth.unpack(pcaprecord.packet)
ip = SimpleEthernet.IP()
ip.unpack(eth.payload)
udp_packet = SimpleEthernet.UDP()
udp_packet.unpack(ip.payload)
(ctrl_word,) = struct.unpack('>I',udp_packet.payload[:4])
if ctrl_word == 0x11000000: # This is a rough guess assuming the control word is 0x11000000
inetx_packet = inetx.iNetX()
inetx_packet.unpack(udp_packet.payload)
#----------------------------
# Check for dropped packet
#----------------------------
if inetx_packet.streamid not in PreviousSeqNum:
PreviousSeqNum[inetx_packet.streamid] = inetx_packet.sequence
else:
if PreviousSeqNum[inetx_packet.streamid]+1 != inetx_packet.sequence:
print "ERROR: Dropped {} packets on streamid={:#x} at packet count={}".format(inetx_packet.sequence - PreviousSeqNum[inetx_packet.streamid] + 1,inetx_packet.streamid,packet_count)
PreviousSeqNum[inetx_packet.streamid] = inetx_packet.sequence
print "----- StreamID={:#10x} SourceIP= {:10s} -----".format(inetx_packet.streamid,ip_packet.srcip)
#--------------------------------------------------------------------------------
# Packets on stream id 0x11121314 is a parser aligned block so lets look at this
#--------------------------------------------------------------------------------
if inetx_packet.streamid == 0x11121314:
parser_aligned_packet = ParserAligned.ParserAlignedPacket()
# unpack the payload as the parser data
parser_aligned_packet.unpack(inetx_packet.payload)
# Loop through all the blocks in the packet and spit them out
for pblock in parser_aligned_packet.parserblocks:
(payload_data,) =struct.unpack('>I',pblock.payload)
print "Sequence Number = {:8} Quadbyes={:5} Msgcnt={:5} BusId={:4} Elapsed={:20} ".format(inetx_packet.sequence, pblock.quadbytes,pblock.messagecount,pblock.busid,pblock.elapsedtime,payload_data)
packet_count += 1
except NotImplementedError:
# We received a packet that we don't care about. So skip silently
packet_count += 1
pass
except IOError:
# We are at the end of the file so lets jump to the next file
print ( "End of file reached")
exit()
def main():
try:
pcapfile = pcap.Pcap("SSR_ABM_102_capture_example1.pcap")
except IOError:
print("ERROR: Could not find input file SSR_ABM_102_capture_example1.pcap")
exit()
# Keep a running count of the packets
packet_count = 1
# Keep a count of previous sequence number to detect a dropped packets
PreviousSeqNum = dict()
while True: # while we are not at the end of the file
try:
# So we loop through the file one packet at a time. This will eventually return an
# exception at the end of file so handle that when it occurs
pcaprecord = pcapfile.readAPacket()
eth = SimpleEthernet.Ethernet()
eth.unpack(pcaprecord.packet)
ip = SimpleEthernet.IP()
ip.unpack(eth.payload)
udp_packet = SimpleEthernet.UDP()
udp_packet.unpack(ip.payload)
(ctrl_word,) = struct.unpack('>I',udp_packet.payload[:4])
if ctrl_word == 0x11000000: # This is a rough guess assuming the control word is 0x11000000
inetx_packet = inetx.iNetX()
inetx_packet.unpack(udp_packet.payload)
#----------------------------
# Check for dropped packet
#----------------------------
if inetx_packet.streamid not in PreviousSeqNum:
PreviousSeqNum[inetx_packet.streamid] = inetx_packet.sequence
else:
if PreviousSeqNum[inetx_packet.streamid]+1 != inetx_packet.sequence:
print("ERROR: Dropped {} packets on streamid={:#x} at packet count={}".format(inetx_packet.sequence - PreviousSeqNum[inetx_packet.streamid] + 1,inetx_packet.streamid,packet_count))
PreviousSeqNum[inetx_packet.streamid] = inetx_packet.sequence
print("----- StreamID={:#10x} SourceIP= {:10s} -----".format(inetx_packet.streamid,ip_packet.srcip))
#--------------------------------------------------------------------------------
# Packets on stream id 0x11121314 is a parser aligned block so lets look at this
#--------------------------------------------------------------------------------
if inetx_packet.streamid == 0x11121314:
parser_aligned_packet = ParserAligned.ParserAlignedPacket()
# unpack the _payload as the parser data
parser_aligned_packet.unpack(inetx_packet.payload)
# Loop through all the blocks in the packet and spit them out
for pblock in parser_aligned_packet.parserblocks:
(payload_data,) =struct.unpack('>I',pblock.payload)
print("Sequence Number = {:8} Quadbyes={:5} Msgcnt={:5} BusId={:4} Elapsed={:20} ".format(inetx_packet.sequence, pblock.quadbytes,pblock.messagecount,pblock.busid,pblock.elapsedtime,payload_data))
packet_count += 1
except NotImplementedError:
# We received a packet that we don't care about. So skip silently
packet_count += 1
pass
except IOError:
# We are at the end of the file so lets jump to the next file
print ( "End of file reached")
exit()
import sys
sys.path.append("..")
import AcraNetwork.Pcap as pcap
import csv
import AcraNetwork.iNetX as inetx
# Modify this
pcapf = "../test/inetx_test.pcap"
streamid = 0xca
csv_output = "ts.csv"
csvfile = open(csv_output, 'wb')
csvwriter = csv.writer(csvfile)
csvwriter.writerow(["Packet Number", "Seconds", "Nanoseconds"])
pcapfile = pcap.Pcap(pcapf, mode="r")
for idx, record in enumerate(pcapfile):
inetx_pkt = inetx.iNetX()
try:
inetx_pkt.unpack(record.payload[0x2a:])
except:
pass
else:
if inetx_pkt.streamid == streamid:
csvwriter.writerow([idx+1, inetx_pkt.ptptimeseconds, inetx_pkt.ptptimenanoseconds])