Class: Sinatra::RocketIO::Client

Inherits:
Object
  • Object
show all
Includes:
EventEmitter
Defined in:
lib/sinatra/rocketio/client.rb

Defined Under Namespace

Classes: Error

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(url, opt = {:type => :websocket, :channel => nil}) ⇒ Client

Returns a new instance of Client.



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

def initialize(url, opt={:type => :websocket, :channel => nil})
  @url = url
  @type = opt[:type].to_sym
  @channel = opt[:channel] ? opt[:channel].to_s : nil
  @io = nil
  @settings = nil
  @ws_close_thread = nil
  on :__connect do
    io.push :__channel_id, channel
    emit :connect
  end
  self
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, *args) ⇒ Object 



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# File 'lib/sinatra/rocketio/client.rb', line 100

def method_missing(name, *args)
  @io.__send__ name, *args
end

Instance Attribute Details

#channel ⇒ Object (readonly)

Returns the value of attribute channel.



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# File 'lib/sinatra/rocketio/client.rb', line 15

def channel
  @channel
end

#io ⇒ Object (readonly)

Returns the value of attribute io.



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# File 'lib/sinatra/rocketio/client.rb', line 15

def io
  @io
end

#settings ⇒ Object (readonly)

Returns the value of attribute settings.



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# File 'lib/sinatra/rocketio/client.rb', line 15

def settings
  @settings
end

#type ⇒ Object (readonly)

Returns the value of attribute type.



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# File 'lib/sinatra/rocketio/client.rb', line 15

def type
  @type
end

Instance Method Details

#close ⇒ Object 



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# File 'lib/sinatra/rocketio/client.rb', line 85

def close
  @io.close if @io
end

#connect ⇒ Object 



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# File 'lib/sinatra/rocketio/client.rb', line 52

def connect
  get_settings unless @settings
  this = self
  if @type == :websocket and @settings.include? 'websocket'
    @io = Sinatra::WebSocketIO::Client.new(@settings['websocket']).connect
  elsif type == :comet or @settings.include? 'comet'
    @io = Sinatra::CometIO::Client.new(@settings['comet']).connect
    @type = :comet
  else
    raise Error, "cannot find #{type} IO #{url}"
  end
  @io.on :* do |event_name, *args|
    event_name = :__connect if event_name == :connect
    this.emit event_name, *args
  end
  if @type == :websocket
    @ws_close_thread = Thread.new do
      sleep 3
      Thread.new do
        close
      end
      emit :error, "websocket port is not open"
      @type = :comet
      connect
    end
    once :connect do
      Thread.kill @ws_close_thread if @ws_close_thread
      @ws_close_thread = nil
    end
  end
  self
end

#push(type, data) ⇒ Object 



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# File 'lib/sinatra/rocketio/client.rb', line 89

def push(type, data)
  @io.push type, data if @io
end

#wait(&block) ⇒ Object 



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# File 'lib/sinatra/rocketio/client.rb', line 93

def wait(&block)
  loop do
    sleep 1
    yield if block_given?
  end
end