[Ns-developers] Trace based regression tests

[Pavel Boyko]

  Hi,

  Craig, please review Pcap::Diff implementation I use in trace based 
regression tests.

  Pavel

On Monday 19 October 2009 03:57:23 pm Pavel Boyko wrote:
>   Hi,
>
>   I'm trying to write simple pcap based regression (aka system) test using
> new framework. The only adequate example I have found is
> ns3tcp-interop-test- suite.cc . It can operate in two modes -- write packet
> traces ("test vectors") or compare actual transmitted packets (sniffed at
> IP level) with given correct traces. I like this. But this behavior is
> implemented "by hand", both packet tracing and comparison are implemented
> in Ns3TcpInteroperabilityTestCase and can not be reused by other tests.
> Also it happens that fancy PcapFile doesn't know about old PcapWriter, used
> by my favorite *Helper::EnablePcapAll (). And I want to use device level
> sniffer instead of IP level one.
>
>   Does anybody have any plans / ideas how to implement trace based
> regression test behavior in reusable way? I can easily implement custom
> pcap diff for my WiFi based tests, but problem looks general and deserves
> some general solution.
>
>   Pavel

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