Class: Rowl::Registration

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(application, notifications, host = "localhost", password = nil) ⇒ Registration

Returns a new instance of Registration.



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# File 'lib/rowl.rb', line 21

def initialize(application, notifications, host="localhost", password=nil)      
  @defaults = []
  @application = application
  @notifications = []
  @password = password
  @host = host

  # Register notifications
  notifications.each do |notification|
    add_notification_type(notification[:name], notification[:enabled])
  end
  
  send_registration
end

Instance Attribute Details

#application ⇒ Object

Returns the value of attribute application.



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# File 'lib/rowl.rb', line 19

def application
  @application
end

#host ⇒ Object

Returns the value of attribute host.



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# File 'lib/rowl.rb', line 19

def host
  @host
end

#notifications ⇒ Object

Returns the value of attribute notifications.



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# File 'lib/rowl.rb', line 19

def notifications
  @notifications
end

#password ⇒ Object

Returns the value of attribute password.



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# File 'lib/rowl.rb', line 19

def password
  @password
end

Instance Method Details

#add_notification_type(notification, enabled) ⇒ Object 



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

def add_notification_type(notification, enabled)
  if enabled.nil?
    enabled = true
  end
  @notifications << notification
  if enabled
    @defaults << @notifications.length - 1
  end
end

#app_name ⇒ Object 



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# File 'lib/rowl.rb', line 36

def app_name
  chars = ("a".."z").to_a + ("1".."9").to_a 
  Array.new(8, '').collect{chars[rand(chars.size)]}.join
end

#payload ⇒ Object 



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# File 'lib/rowl.rb', line 56

def payload
  length = 0
  data = []
  data_format = ""

  packet = [
    GROWL_PROTOCOL_VERSION, 
    GROWL_TYPE_REGISTRATION
  ]

  packet << @application.length
  packet << @notifications.length
  packet << @defaults.length

  data << @application
  data_format = "a#{@application.length}"

  @notifications.each do |notify|
    data << notify.length
    data << notify
    data_format << "na#{notify.length}"
  end

  @defaults.each do |notify|
    data << notify
    data_format << "C"
  end

  data = data.pack(data_format)

  packet << data
  packet = packet.pack(REGISTRATION_FORMAT)
      
  if @password
    checksum = Digest::MD5.digest(packet+@password)
  else
    checksum = Digest::MD5.digest(packet)
  end

  packet << checksum

  return packet
end

#send_registration ⇒ Object 



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# File 'lib/rowl.rb', line 51

def send_registration
  socket = UDPSocket.open
  socket.send(payload, 0, @host, 9887)
end