01fc378076
* Update user-bootstrap to use latest version (#251) * p4c tests are failing in latest version. So, let's skip it during vagrant provisioning * Update tutorial to use latest version of P4 tools Modify switch.py to handle setting default_action Use --p4runtime-files instead of deprecated --p4runtime-file and --p4runtime-format flags Provide standard_metadata for mark_to_drop * Fix path for ECN exercise
51 lines
1.1 KiB
Python
Executable File
51 lines
1.1 KiB
Python
Executable File
#!/usr/bin/env python
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import argparse
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import sys
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import socket
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import random
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import struct
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from scapy.all import sendp, send, hexdump, get_if_list, get_if_hwaddr
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from scapy.all import Packet, IPOption
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from scapy.all import Ether, IP, UDP
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from scapy.all import IntField, FieldListField, FieldLenField, ShortField
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from scapy.layers.inet import _IPOption_HDR
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from time import sleep
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def get_if():
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ifs=get_if_list()
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iface=None # "h1-eth0"
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for i in get_if_list():
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if "eth0" in i:
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iface=i
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break;
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if not iface:
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print "Cannot find eth0 interface"
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exit(1)
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return iface
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def main():
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if len(sys.argv)<4:
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print 'pass 2 arguments: <destination> "<message>" <duration>'
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exit(1)
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addr = socket.gethostbyname(sys.argv[1])
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iface = get_if()
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pkt = Ether(src=get_if_hwaddr(iface), dst="ff:ff:ff:ff:ff:ff") / IP(dst=addr, tos=1) / UDP(dport=4321, sport=1234) / sys.argv[2]
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pkt.show2()
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#hexdump(pkt)
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try:
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for i in range(int(sys.argv[3])):
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sendp(pkt, iface=iface)
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sleep(1)
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except KeyboardInterrupt:
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raise
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if __name__ == '__main__':
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main()
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