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Add mDNS support for _netaudio-chan service with channel@device format

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This commit is contained in:
Ian Gulliver
2026-01-25 11:52:28 -08:00
parent f9afd3abb6
commit 1d6075d395
1 changed files with 17 additions and 1 deletions
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18
mdns.go
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@@ -27,7 +27,7 @@ func extractSkaarhojName(s string) string {
}
func isNetaudioService(s string) bool {
return strings.Contains(s, "_netaudio-cmc._udp") || strings.Contains(s, "_netaudio-arc._udp")
return strings.Contains(s, "_netaudio-cmc._udp") || strings.Contains(s, "_netaudio-arc._udp") || strings.Contains(s, "_netaudio-chan._udp")
}
func extractNetaudioName(s string) string {
@@ -40,6 +40,18 @@ func extractNetaudioName(s string) string {
return ""
}
func extractNetaudioChanDevice(s string) string {
idx := strings.Index(s, "._netaudio-chan._udp")
if idx <= 0 {
return ""
}
name := strings.ReplaceAll(s[:idx], "\\", "")
if atIdx := strings.Index(name, "@"); atIdx >= 0 {
return name[atIdx+1:]
}
return ""
}
func (t *Tendrils) listenMDNS(ctx context.Context, iface net.Interface) {
addr, err := net.ResolveUDPAddr("udp4", mdnsAddr)
if err != nil {
@@ -129,6 +141,9 @@ func (t *Tendrils) processMDNSResponse(ifaceName string, srcIP net.IP, msg *dns.
}
if isNetaudioService(r.Hdr.Name) {
name := extractNetaudioName(r.Hdr.Name)
if name == "" {
name = extractNetaudioChanDevice(r.Hdr.Name)
}
if name != "" {
netaudioNames[name] = true
if target != "" {
@@ -195,6 +210,7 @@ var mdnsServices = []string{
"_hyperdeck_ctrl._tcp.local.",
"_netaudio-cmc._udp.local.",
"_netaudio-arc._udp.local.",
"_netaudio-chan._udp.local.",
}
func (t *Tendrils) runMDNSQuerier(ctx context.Context, iface net.Interface, conn *net.UDPConn) {