Sadly I have not used it much myself, so I can't give terribly specific
recommendations, but this is the general domain of `twisted.pair`. I can see it
has some tun/tap stuff but I don't see a SOCK_RAW anywhere. The docs, such as
they are, are here: https://docs.twistedmatrix.com/en/stable/pair/index.html
I hope someone else chimes in with more specificity, but I'd love to hear of
your success, and maybe get some contributions which smooth over this sort of
workflow…
-g
> On Nov 20, 2023, at 2:10 PM, Tim Nowaczyk <zim...@gmail.com> wrote:
>
> I am starting to work on a lightweight OSPFv2 protocol implementation and
> thought that twisted looked like a good tool to use for a lot of the state
> machine and timing parts. I need to create a SOCK_RAW socket for protocol 89.
> Can someone point me in the right direction to get twisted to use this?
> Here's a minimal example of what I need to do to receive the packets
>
> import socket
> import struct
>
> sock = socket.socket(socket.AF_INET, socket.SOCK_RAW, 89)
> sock.bind(('', 0))
>
> multicast_group = '224.0.0.5'
> group = socket.inet_aton(multicast_group)
> mreq = struct.pack('4s4s', group, socket.inet_aton('192.168.88.253'))
> sock.setsockopt(socket.IPPROTO_IP, socket.IP_ADD_MEMBERSHIP, mreq)
>
> while True:
> data, address = sock.recvfrom(1024)
> print(data.hex())
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