Class: WebSocketClient::Client

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(uri, handshake_class = WebSocketClient::DEFAULT_HANDSHAKE, &block) ⇒ Client 



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# File 'lib/websocket_client/client.rb', line 28

def initialize(uri,handshake_class=WebSocketClient::DEFAULT_HANDSHAKE, &block)
  @handshake_class = handshake_class
  @socket = nil
  @on_message_handler = nil
  @on_disconnect_handler = nil
  @handler_thread = nil
  @close_state = nil
  case ( uri )
    when String
      @uri = URI.parse( uri )
    else
      @uri = uri
  end
  block.call( self ) if block
end

Instance Attribute Details

#uri ⇒ Object (readonly)

Returns the value of attribute uri.



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# File 'lib/websocket_client/client.rb', line 26

def uri
  @uri
end

Instance Method Details

#connect(&block) ⇒ Object 



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# File 'lib/websocket_client/client.rb', line 44

def connect(&block)
  @socket = TCPSocket.open(uri.host, uri.port)
  puts "> handshaking"
  @handshake = @handshake_class.new( uri, @socket )
  puts "> handshook"
  
  start_handler
  
  if ( block )
    begin
      block.call( self ) 
    ensure
      disconnect()
    end
  end
end

#disconnect ⇒ Object 



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# File 'lib/websocket_client/client.rb', line 61

def disconnect
  @socket.puts 0xFF
  @socket.putc 0x00
  @close_state = :requested
end

#on_disconnect(&block) ⇒ Object 



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# File 'lib/websocket_client/client.rb', line 85

def on_disconnect(&block)
  if ( block )
    @on_disconnect_handler = block
  else
    puts "> on_disconnect"
    @on_disconnect_handler.call( msg ) if @on_disconnect_handler
  end
end

#on_message(msg = nil, &block) ⇒ Object 



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# File 'lib/websocket_client/client.rb', line 76

def on_message(msg=nil,&block)
  if ( block ) 
    @on_message_handler = block
  else
    puts "> on_message #{msg}"
    @on_message_handler.call( msg ) if @on_message_handler
  end
end

#send(msg) ⇒ Object 



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# File 'lib/websocket_client/client.rb', line 67

def send(msg)
  @handshake.encode_text_message( msg )
  @socket.flush
end

#start_handler ⇒ Object 



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# File 'lib/websocket_client/client.rb', line 94

def start_handler
  @handler_thread = Thread.new(@socket) do |socket|
    msg = ''
    msg_state = :none
    while ( ! socket.eof? )
      c = nil
      if ( socket.respond_to?( :getbyte ) )
        c = socket.getbyte
      else
        c = socket.getc
      end
      puts "> #{c} #{c.class} #{c == 0xff}"
      if ( c == 0x00 ) 
        if ( msg_state == :half_closed )
          puts "> full-closed by server"
          socket.close
          break
        else
          if ( @close_state == :half_closed )
            socket.close
            break
          else
            msg_state = :none
          end
        end
      elsif ( c == 0xFF ) 
        if ( msg_state == :none )
          msg_state = :half_closed
          puts "> half-closed by server"
        else
          if ( @close_state == :requested )
            @close_state = :half_closed
          else
            on_message( msg ) 
            msg = ''
            msg_state = :none
          end
        end
      else
        if ( @close_state != nil )
          @close_state = nil
        end
        msg_state = :in_progress
        msg << c
      end
    end
    on_disconnect
  end
end

#wait_forever ⇒ Object 



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# File 'lib/websocket_client/client.rb', line 72

def wait_forever()
  @handler_thread.join
end