zeroconf is a cross-platform library that wraps underlying ZeroConf/mDNS implementations such as Bonjour or Avahi, providing an easy and idiomatic way to both register and browse services.
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Service subtypes do not appear to be registered correctly #30
I'm trying to register and publish a service with subtypes like _matterc._udp,_S0,_L250.
When I try to do so, I get an error indicating that the service type is invalid:
[2023-09-11T19:49:02Z DEBUG zeroconf::linux::service] Registering service: AvahiMdnsService { client: None, poll: None, context: AvahiServiceContext { name: None, kind: "_matterc._udp,_L250,_S0", port: 5540, group: None } }
[2023-09-11T19:49:02Z DEBUG zeroconf::linux::service] Creating group
[2023-09-11T19:49:02Z DEBUG zeroconf::linux::service] Adding service
[2023-09-11T19:49:02Z ERROR rs_matter::mdns::zeroconf] Encountered error registering mDNS service: could not register service: `Invalid service type`
It looks like the library attempts to register the service as a single service type with avahi_entry_group_add_service, but in order to register subtypes, they need to be registered with avahi_entry_group_add_service_subtype. There's an example in the avahi documentation: https://www.avahi.org/doxygen/html/client-publish-service_8c-example.html
windy1
commented
1 year ago
I'm trying to register and publish a service with subtypes like
_matterc._udp,_S0,_L250.When I try to do so, I get an error indicating that the service type is invalid:
It looks like the library attempts to register the service as a single service type with
avahi_entry_group_add_service, but in order to register subtypes, they need to be registered withavahi_entry_group_add_service_subtype. There's an example in the avahi documentation: https://www.avahi.org/doxygen/html/client-publish-service_8c-example.html