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support pcapng file format #1936

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support pcapng file format #1936

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@dsseng dsseng commented Apr 8, 2025

This PR adds support for Pcapng files to the I/O module

Related to #1403, pcap should be rather simple to implement based on these changes.

  • Factor out common SocketCAN ser/des parts
  • Add PcapngWriter
  • Add PcapngReader

TODO:

  • tests
  • gzip, lz4, zst, perhaps other compression types readers know about

@dsseng dsseng marked this pull request as draft April 8, 2025 10:07
@dsseng dsseng marked this pull request as ready for review April 9, 2025 07:05
@dsseng dsseng force-pushed the pcapng-io branch 3 times, most recently from 1a841c3 to 8d47c73 Compare April 9, 2025 17:48
Comment on lines +46 to +48
try:
import pyzstd
except ImportError:
pyzstd = None
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Zstandard addition should be a distinct commit. Please let me know if you would like to merge with squashing so that I can split it out into a new PR

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