Module: Huey::SSDP

Defined in:
lib/huey/ssdp.rb,
lib/huey/ssdp/searcher.rb

Defined Under Namespace

Classes: Searcher

Class Method Summary collapse

Class Method Details

.hue_ip ⇒ Object

Raises:



11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
 
# File 'lib/huey/ssdp.rb', line 11

def self.hue_ip
  return @hue_ip if @hue_ip

  multicast_searcher = proc do
    EM.open_datagram_socket('0.0.0.0', 0, Huey::SSDP::Searcher)
  end

  response = nil

  EM.run do
    ms = multicast_searcher.call

    ms.discovery_responses.subscribe do |notification|
      response = notification
      EM.stop
    end

    EM.add_timer(Huey::Config.ssdp_ttl) { EM.stop }
    trap('INT') { EM.stop }
    trap('TERM') { EM.stop }
    trap('HUP')  { EM.stop }
  end

  raise Huey::Errors::CouldNotFindHue, 'No IP address found for the Hue hub' unless response

  @hue_ip = response[:location].match(/http:\/\/(.*?):(.*?)\//)[1]
end