Begins asynchronously performing a DNS SRV lookup for the given service and protocol in the given domain, and eventually calls callback, which must call gio.resolver.Resolver.lookupServiceFinish to get the final result. See gio.resolver.Resolver.lookupService for more details.
the service type to look up (eg, "ldap")
the networking protocol to use for service (eg, "tcp")
the DNS domain to look up the service in
a #GCancellable, or null
callback to call after resolution completes
Begins asynchronously performing a DNS SRV lookup for the given service and protocol in the given domain, and eventually calls callback, which must call gio.resolver.Resolver.lookupServiceFinish to get the final result. See gio.resolver.Resolver.lookupService for more details.