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
38 lines
796 B
Python
Executable File
38 lines
796 B
Python
Executable File
#!/usr/bin/env python
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import sys
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import struct
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from scapy.all import sniff, sendp, hexdump, get_if_list, get_if_hwaddr
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from scapy.all import Packet
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from scapy.all import IP, UDP, Raw
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from scapy.layers.inet import _IPOption_HDR
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def get_if():
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ifs=get_if_list()
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iface=None
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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 handle_pkt(pkt):
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print "got a packet"
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pkt.show2()
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# hexdump(pkt)
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sys.stdout.flush()
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def main():
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iface = 'h2-eth0'
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print "sniffing on %s" % iface
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sys.stdout.flush()
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sniff(filter="udp and port 4321", iface = iface,
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prn = lambda x: handle_pkt(x))
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if __name__ == '__main__':
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main()
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