Initial commit: ArtNet packet sniffer and validator

Sniffs ArtNet packets on UDP port 6454 and validates against the Art-Net 4 spec.
Currently validates ArtPoll and ArtPollReply packets.

Features:
- Structured logging with slog
- Name filter regex (-name flag)
- Verbose mode (-v flag)
- Universe display as net:subnet:universe (portaddr)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

This commit is contained in:

Ian Gulliver

2026-02-04 10:07:19 -08:00

commit 9fcc19ba9e

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				module artcheck

				go 1.24.4

Initial commit: ArtNet packet sniffer and validator

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