DNS Service Discovery (DNS-SD, ZeroConf, Bonjour) interface for Julia.
On macOS (or BSD) this package uses the dns-sd tool (see man dns-sd). On Linux the Avahi tools are used instead (apt-get install avahi-utils).
dns_service_browse([type = "_http._tcp"]) -> Channel{DNSService}
Open a channel to browse for DNS Services of a certian type. Reading from channel yeilds pairs: name => (host, port).
e.g.
julia> c = dns_service_browse()
julia> take!(c)
"AxisCamera" => ("axis-ptz.local.", 80)
register_dns_service(name, service_type, port)
Register a DNS Service.
unregister_dns_service(name)
Cancel a service registered by register_dns_service.