Class: Huey::SSDP::Searcher

Inherits:
EventMachine::Connection
  • Object
show all
Defined in:
lib/huey/ssdp/searcher.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Searcher

Returns a new instance of Searcher.



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# File 'lib/huey/ssdp/searcher.rb', line 14

def initialize
  @discovery_responses = EM::Channel.new
end

Instance Attribute Details

#discovery_responses ⇒ Object (readonly)

Returns the value of attribute discovery_responses.



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# File 'lib/huey/ssdp/searcher.rb', line 12

def discovery_responses
  @discovery_responses
end

Instance Method Details

#m_search ⇒ Object 



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# File 'lib/huey/ssdp/searcher.rb', line 48

def m_search
  "M-SEARCH * HTTP/1.1\\r\nHOST: \#{Huey::Config.ssdp_ip}:\#{Huey::Config.ssdp_port}\\r\nMAN: \"ssdp:discover\"\\r\nMX: \#{Huey::Config.ssdp_ttl}\\r\nST: urn:schemas-upnp-org:device:Basic:1\\r\n\\r\n"
end

#parse(data) ⇒ Object 



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# File 'lib/huey/ssdp/searcher.rb', line 24

def parse(data)
  new_data = {}

  data.each_line do |line|
    if match = line.match(/(\S+):(.*)/)
      key = match[1].gsub('-', '_').downcase.to_sym
      value = match[2]
      new_data[key] = value.strip
    end
  end

  new_data
end

#post_init ⇒ Object 



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# File 'lib/huey/ssdp/searcher.rb', line 18

def post_init
  if send_datagram(m_search, Huey::Config.ssdp_ip, Huey::Config.ssdp_port) > 0
    Huey.logger.debug "Sent datagram search:\n#{m_search}"
  end
end

#receive_data(response) ⇒ Object 



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# File 'lib/huey/ssdp/searcher.rb', line 38

def receive_data(response)
  parsed_response = parse(response)

  Huey.logger.debug "Received response: #{parsed_response}"
  return if parsed_response.has_key? :nts
  return if parsed_response[:man] && parsed_response[:man] =~ /ssdp:discover/

  @discovery_responses << parsed_response
end