Class: Lightwavez::Client

Inherits:
Object
  • Object
show all
Defined in:
lib/client.rb

Constant Summary collapse

COMMANDS = 
{ :on => 'F1', :off => 'F0', :all_off => 'Fa', :last_dim => 'Fo', :dim => 'Fd', :mood => 'Fm'}

Instance Method Summary collapse

Constructor Details

#initialize(address = nil, port = 9760) ⇒ Client

Returns a new instance of Client.



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# File 'lib/client.rb', line 9

def initialize(address = nil, port = 9760)
  @address = address || discover
  @port = port
end

Instance Method Details

#discover ⇒ Object

this will register the first time and get the IP address for the link afte that



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# File 'lib/client.rb', line 47

def discover
  sock = UDPSocket.new
  sock.setsockopt(Socket::SOL_SOCKET, Socket::SO_BROADCAST, true)

  result = ""
  server_thread = Thread.start do
    server = UDPSocket.open
    server.bind('0.0.0.0', 9761)
    result = server.recvfrom(64)
    server.close
  end

  sock.send("100,!F*p\r", 0, '255.255.255.255', 9760)
  server_thread.join(2)
  sock.close

  if !result.is_a? Array || result.length < 1 || result[1].length < 2
    raise 'invalid response'
  end

  return result[1][2]
end

#get_command(room, device, operation, params = nil) ⇒ Object

generates a command for a room and a device. Only supports on/off/dimm commands for now accepted operations are: :on, :off, :all_off, :last_dim, :dim (needs param to be 1-32), :mood (needs mood id) device is not needed for :all_off and :mood  rooms, devices and moods (params for :mood) and be either a number or name if mapping is loaded



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# File 'lib/client.rb', line 18

def get_command(room, device, operation, params = nil)
  raise 'invalid command' unless COMMANDS.has_key? operation
  raise 'missing dim level (1-32)' if params.nil? && operation == :dim
  raise 'missing mood id' if params.nil? && operation == :mood

  cmd = ""
  if operation != :all_off && operation != :mood
    cmd = "R#{room}D#{device}#{COMMANDS[operation]}"
    if operation == :dim
      raise 'invalid dim level (1-32)' if params < 1 || params > 32
      cmd = cmd + "P#{params}"
    end
  else
    cmd = "R#{room}#{COMMANDS[operation]}"
    if operation == :mood
      cmd = cmd + "P#{params}"
    end
  end

  return cmd
end

#send(command) ⇒ Object

consructs and sends a command over to the link without waiting for the answer



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# File 'lib/client.rb', line 41

def send(command)
  sequence = Random.rand(100)
  send_raw("#{sequence},!#{command}\r")
end