[MirageOS-devel] netif that reads from pcap / hoards writes

[Mindy <mindy@xxxxxxxxxxxxxxxxxxx>]

Hi all,

I've just made public `mirage-net-pcap`, a module that satisfies 
V1.NETWORK by supplying packets from a prerecorded pcap file (via 
crunch) and keeping written packets in memory for later examination.  
You can see it at https://github.com/yomimono/mirage-net-pcap , and 
there's an example unikernel using it under `arp_tester` in my 
example-unikernels repository at 
https://github.com/yomimono/example-unikernels . `mirage-net-pcap` works 
with both unix and xen backends, although the example code works only 
with Unix because of its use of oUnit.
Right now there isn't facility for saving writes to persistent storage 
(i.e., writing to a pcap).  I started writing this and then realized it 
was generally the opposite of what I actually wanted when writing 
testing code that used `mirage-net-pcap`, but I do plan on adding this 
in a later release.
I don't have a fork of the mirage frontend tool that nicely sets up a 
netif in `config.ml` for the user currently, but stacks can be built on 
top of one in the normal way (i.e., as in `mirage-skeleton/ethifv4`).
Bad, horrible, okay, other?

-Mindy

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