Module: NLHue::SSDP

Defined in:
lib/nlhue/ssdp.rb

Defined Under Namespace

Classes: Response, SSDPConnection

Constant Summary collapse

SSDP_ADDR = 
'239.255.255.250'
SSDP_PORT = 
1900

Class Method Summary collapse

Class Method Details

.discover(type = 'ssdp:all', timeout = 5, &block) ⇒ Object

Eventually calls the given block with a NLHue::SSDP::Response for each matching device found on the network within timeout seconds. The block will be called with nil after the timeout. Returns the connection used for discovery; call #shutdown on the returned object to abort discovery.



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# File 'lib/nlhue/ssdp.rb', line 20

def self.discover type='ssdp:all', timeout=5, &block
	raise 'A block must be given to discover().' unless block_given?

	con = EM::open_datagram_socket('0.0.0.0', 0, SSDPConnection, type, timeout, block)
	EM.add_timer(timeout) do
		con.close_connection
		EM.next_tick do
			yield nil
		end
	end

	# TODO: Structure this using EM::Deferrable instead?
	con
end