chrome.mdns API to discover services over mDNS. This comprises a subset of the features of the NSD spec: http://www.w3.org/TR/discovery-api/
The IP address of an mDNS advertised service.
Metadata for an mDNS advertised service.
The host:port pair of an mDNS advertised service.
The service name of an mDNS advertised service, ..
The maximum number of service instances that will be included in onServiceList events. If more instances are available, they may be truncated from the onServiceList event.
Immediately issues a multicast DNS query for all service types.
callback is invoked immediately. At a later time, queries will be sent, and any service events will be fired.
callbackparameter looks like:
Promises are only supported for Manifest V3 and later, other platforms need to use callbacks.
Event fired to inform clients of the current complete set of known available services. Clients should only need to store the list from the most recent event. The service type that the extension is interested in discovering should be specified as the event filter with the 'serviceType' key. Not specifying an event filter will not start any discovery listeners.