Radostin Stoyanov d84179e42f
clean up unused Python imports (#454)
* Remove unused python imports

These changes have been auto-generated with:

	pip3 install isort autoflake
	isort -rc -sl .
	autoflake --remove-all-unused-imports -i -r .
	isort -rc -m 3 .

Signed-off-by: Radostin Stoyanov <rstoyanov@fedoraproject.org>

* python: remove redundant parenthesis

Signed-off-by: Radostin Stoyanov <rstoyanov@fedoraproject.org>
2022-02-24 11:31:53 -05:00

86 lines
2.1 KiB
Python
Executable File

#!/usr/bin/env python3
import socket
import sys
from time import sleep
from scapy.all import (
IP,
UDP,
Ether,
FieldLenField,
IntField,
IPOption,
Packet,
PacketListField,
ShortField,
get_if_hwaddr,
get_if_list,
sendp
)
from scapy.layers.inet import _IPOption_HDR
def get_if():
ifs=get_if_list()
iface=None # "h1-eth0"
for i in get_if_list():
if "eth0" in i:
iface=i
break;
if not iface:
print("Cannot find eth0 interface")
exit(1)
return iface
class SwitchTrace(Packet):
fields_desc = [ IntField("swid", 0),
IntField("qdepth", 0)]
def extract_padding(self, p):
return "", p
class IPOption_MRI(IPOption):
name = "MRI"
option = 31
fields_desc = [ _IPOption_HDR,
FieldLenField("length", None, fmt="B",
length_of="swtraces",
adjust=lambda pkt,l:l*2+4),
ShortField("count", 0),
PacketListField("swtraces",
[],
SwitchTrace,
count_from=lambda pkt:(pkt.count*1)) ]
def main():
if len(sys.argv)<3:
print('pass 2 arguments: <destination> "<message>"')
exit(1)
addr = socket.gethostbyname(sys.argv[1])
iface = get_if()
pkt = Ether(src=get_if_hwaddr(iface), dst="ff:ff:ff:ff:ff:ff") / IP(
dst=addr, options = IPOption_MRI(count=0,
swtraces=[])) / UDP(
dport=4321, sport=1234) / sys.argv[2]
# pkt = Ether(src=get_if_hwaddr(iface), dst="ff:ff:ff:ff:ff:ff") / IP(
# dst=addr, options = IPOption_MRI(count=2,
# swtraces=[SwitchTrace(swid=0,qdepth=0), SwitchTrace(swid=1,qdepth=0)])) / UDP(
# dport=4321, sport=1234) / sys.argv[2]
pkt.show2()
#hexdump(pkt)
try:
for i in range(int(sys.argv[3])):
sendp(pkt, iface=iface)
sleep(1)
except KeyboardInterrupt:
raise
if __name__ == '__main__':
main()