Module: Jellyfish::WebSocket

Defined in:
lib/jellyfish/websocket.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#parser ⇒ Object (readonly)

Returns the value of attribute parser.



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# File 'lib/jellyfish/websocket.rb', line 12

def parser
  @parser
end

#sock ⇒ Object (readonly)

Returns the value of attribute sock.



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# File 'lib/jellyfish/websocket.rb', line 12

def sock
  @sock
end

Instance Method Details

#switch_protocol(&block) ⇒ Object 



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# File 'lib/jellyfish/websocket.rb', line 14

def switch_protocol &block
  key = env['HTTP_SEC_WEBSOCKET_KEY']
  accept = [Digest::SHA1.digest("#{key}#{GUID}")].pack('m0')
  @sock = env['rack.hijack'].call
  sock.binmode
  sock.write(<<-HTTP)
HTTP/1.1 101 Switching Protocols\r
Upgrade: websocket\r
Connection: Upgrade\r
Sec-WebSocket-Accept: #{accept}\r
\r
  HTTP
  @parser = Parser.new
  parser.on_message(&block)
end

#ws_close ⇒ Object 



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# File 'lib/jellyfish/websocket.rb', line 46

def ws_close
  sock << Message.close.to_data
  sock.close
end

#ws_read(bytes = 8192) ⇒ Object 



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# File 'lib/jellyfish/websocket.rb', line 36

def ws_read bytes=8192
  parser << sock.readpartial(bytes)
rescue EOFError
  sock.close
end

#ws_start ⇒ Object 



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# File 'lib/jellyfish/websocket.rb', line 30

def ws_start
  while !sock.closed? && IO.select([sock]) do
    ws_read
  end
end

#ws_write(msg) ⇒ Object 



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# File 'lib/jellyfish/websocket.rb', line 42

def ws_write msg
  sock << Message.new(msg).to_data
end