chrome.mdns
- Description
Use the
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/ - Permissions
mdns
Summary
- Types
- Properties
- Methods
chrome.mdns.forceDiscovery(callback: function)
- Events
Types
MDnsService
Properties
- ipAddressstring
The IP address of an mDNS advertised service.
- serviceDatastring[]
Metadata for an mDNS advertised service.
- serviceHostPortstring
The host:port pair of an mDNS advertised service.
- serviceNamestring
The service name of an mDNS advertised service,
. .
Properties
MAX_SERVICE_INSTANCES_PER_EVENT
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.
Value
Methods
forceDiscovery
chrome.mdns.forceDiscovery(callback: function)
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.
Parameters
- callbackfunction
Callback invoked after ForceDiscovery() has started.
The callback parameter should be a function that looks like this:
() => {...}
Events
onServiceList
chrome.mdns.onServiceList.addListener(listener: function)
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.
Event
- listenerfunction
The listener parameter should be a function that looks like this:
(services: MDnsService[]) => {...}
- services