theater/tendrils
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remove dante channel extraction from mdns discovery

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
Ian Gulliver
2026-01-23 13:00:06 -08:00
parent 84876dd595
commit 29a0c80fea
1 changed files with 0 additions and 41 deletions
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41
mdns.go
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@@ -31,19 +31,6 @@ func extractDanteName(s string) string {
return name
}
func extractDanteChanService(s string) (channel, device string) {
idx := strings.Index(s, "._netaudio-chan.")
if idx <= 0 {
return "", ""
}
name := s[:idx]
at := strings.Index(name, "@")
if at <= 0 {
return "", ""
}
return name[:at], name[at+1:]
}
func isDanteService(s string) bool {
return strings.Contains(s, "_netaudio-") || strings.Contains(s, "._dante")
}
@@ -121,7 +108,6 @@ func (t *Tendrils) processMDNSResponse(ifaceName string, srcIP net.IP, msg *dns.
srvTargets := map[string]string{}
danteNames := map[string]bool{}
danteARCPorts := map[string]uint16{}
danteTxChannels := map[string]string{} // device name -> channel names
skaarhojNames := map[string]bool{}
for _, rr := range allRecords {
@@ -157,16 +143,6 @@ func (t *Tendrils) processMDNSResponse(ifaceName string, srcIP net.IP, msg *dns.
danteARCPorts[name] = r.Port
}
}
if strings.Contains(r.Hdr.Name, "_netaudio-chan.") {
channel, device := extractDanteChanService(r.Hdr.Name)
if channel != "" && device != "" {
if existing, ok := danteTxChannels[device]; ok {
danteTxChannels[device] = existing + "," + channel
} else {
danteTxChannels[device] = channel
}
}
}
}
if isSkaarhojService(r.Hdr.Name) {
name := extractSkaarhojName(r.Hdr.Name)
@@ -195,23 +171,6 @@ func (t *Tendrils) processMDNSResponse(ifaceName string, srcIP net.IP, msg *dns.
t.nodes.UpdateDante(name, ip, arcPort)
}
for device, channels := range danteTxChannels {
var ip net.IP
if target, ok := srvTargets[device]; ok {
ip = aRecords[target]
}
if ip == nil {
ip = aRecords[device+".local"]
}
if ip == nil {
ip = srcIP
}
if t.DebugMDNS {
log.Printf("[mdns] %s: dante tx channels %s@%s (%s)", ifaceName, channels, device, ip)
}
t.nodes.UpdateDanteTxChannels(device, ip, channels)
}
for name := range skaarhojNames {
var ip net.IP
if target, ok := srvTargets[name]; ok {