theater/tendrils
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refactor codebase and fix bugs

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- merge dante.go and dante_control.go into single dante.go
- consolidate buildDantePacket and buildDantePacket28 into one function
- fix broken comparison logic in SetDanteClockMaster
- split ARP parsing into platform-specific files with build tags
- implement Linux ARP table parsing via /proc/net/arp
- run gofmt on all files

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
Ian Gulliver
2026-01-23 23:21:51 -08:00
parent f4b2351de8
commit 7e8ec697ae
10 changed files with 888 additions and 877 deletions
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18
shure.go
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@@ -86,26 +86,26 @@ func (t *Tendrils) sendShureQuery(ifaceName string, conn *net.UDPConn, dest *net
totalLen := headerLen + bodyLen
pkt := make([]byte, totalLen)
pkt[0] = 0x02 // SLP version 2
pkt[1] = 0x09 // Function: SrvTypeRqst (9)
pkt[2] = byte(totalLen >> 16) // Length (3 bytes)
pkt[0] = 0x02 // SLP version 2
pkt[1] = 0x09 // Function: SrvTypeRqst (9)
pkt[2] = byte(totalLen >> 16) // Length (3 bytes)
pkt[3] = byte(totalLen >> 8)
pkt[4] = byte(totalLen)
pkt[5] = 0x00 // Flags (2 bytes) - multicast
pkt[5] = 0x00 // Flags (2 bytes) - multicast
pkt[6] = 0x20
pkt[7] = 0x00 // Next ext offset (3 bytes)
pkt[7] = 0x00 // Next ext offset (3 bytes)
pkt[8] = 0x00
pkt[9] = 0x00
binary.BigEndian.PutUint16(pkt[10:12], 0x0001) // XID
binary.BigEndian.PutUint16(pkt[10:12], 0x0001) // XID
binary.BigEndian.PutUint16(pkt[12:14], uint16(len(langTag)))
copy(pkt[14:], langTag)
offset := 14 + len(langTag)
binary.BigEndian.PutUint16(pkt[offset:], 0) // PR list length (0)
binary.BigEndian.PutUint16(pkt[offset:], 0) // PR list length (0)
offset += 2
binary.BigEndian.PutUint16(pkt[offset:], 0) // Naming authority length (0 = IANA)
binary.BigEndian.PutUint16(pkt[offset:], 0) // Naming authority length (0 = IANA)
offset += 2
binary.BigEndian.PutUint16(pkt[offset:], 7) // Scope list length
binary.BigEndian.PutUint16(pkt[offset:], 7) // Scope list length
offset += 2
copy(pkt[offset:], "default")