icmprewriter-01.testie

COPE the first practical network coding scheme which is developped on click

%script

# read from a hand-written IPSummaryDump file; check headers, emit to a dump
click -e "
FromIPSummaryDump(IN1, STOP true, ZERO true)
	-> IPPrint(a)
	-> ip :: IPRewriter(pattern 21.0.0.1 1024-65535# - - 0 0)
	-> IPPrint(b)
	-> ICMPError(19.19.19.19, timeexceeded)
	-> IPPrint(c)
	-> ICMPRewriter(ip)
	-> IPPrint(d)
	-> Discard
"

%file IN1
!data src sport dst dport proto ip_ttl
18.26.4.44 20 10.0.0.8 80 T 0

%expect stderr
a: 0.000000: 18.26.4.44.20 > 10.0.0.8.80: . {{.*}}
b: 0.000000: 21.0.0.1.1024 > 10.0.0.8.80: . {{.*}}
c: {{[\d.]*}}: 19.19.19.19 > 21.0.0.1: icmp{{.*}}
d: {{[\d.]*}}: 19.19.19.19 > 18.26.4.44: icmp{{.*}}