Class: Faye::RackStream

Inherits:
Object
  • Object
show all
Includes:
EventMachine::Deferrable
Defined in:
lib/faye/rack_stream.rb

Direct Known Subclasses

EventSource::Stream, WebSocket::Stream

Defined Under Namespace

Modules: Reader

Instance Method Summary collapse

Constructor Details

#initialize(socket_object) ⇒ RackStream

Returns a new instance of RackStream.



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# File 'lib/faye/rack_stream.rb', line 18

def initialize(socket_object)
  @socket_object = socket_object
  @connection    = socket_object.env['em.connection']
  @stream_send   = socket_object.env['stream.send']

  if socket_object.env['rack.hijack']
    socket_object.env['rack.hijack'].call
    @rack_hijack_io = socket_object.env['rack.hijack_io']
    EventMachine.attach(@rack_hijack_io, Reader) do |reader|
      @rack_hijack_io_reader = reader
      reader.stream = self
    end
  end

  @connection.socket_stream = self if @connection.respond_to?(:socket_stream)
end

Instance Method Details

#clean_rack_hijack ⇒ Object 



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# File 'lib/faye/rack_stream.rb', line 35

def clean_rack_hijack
  return unless @rack_hijack_io
  @rack_hijack_io_reader.close_connection_after_writing
  @rack_hijack_io = @rack_hijack_io_reader = nil
end

#close_connection ⇒ Object 



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# File 'lib/faye/rack_stream.rb', line 41

def close_connection
  clean_rack_hijack
  @connection.close_connection if @connection
end

#close_connection_after_writing ⇒ Object 



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# File 'lib/faye/rack_stream.rb', line 46

def close_connection_after_writing
  clean_rack_hijack
  @connection.close_connection_after_writing if @connection
end

#each(&callback) ⇒ Object 



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# File 'lib/faye/rack_stream.rb', line 51

def each(&callback)
  @stream_send ||= callback
end

#fail ⇒ Object 



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# File 'lib/faye/rack_stream.rb', line 55

def fail
end

#receive(data) ⇒ Object 



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# File 'lib/faye/rack_stream.rb', line 58

def receive(data)
end

#write(data) ⇒ Object 



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# File 'lib/faye/rack_stream.rb', line 61

def write(data)
  return @rack_hijack_io.write(data) if @rack_hijack_io
  return @stream_send.call(data) if @stream_send
rescue => e
  fail if EOFError === e
end