class Redis::Client

def connect_to(host, port)
  # We support connect_to() timeout only if system_timer is availabe
  # or if we are running against Ruby >= 1.9
  # Timeout reading from the socket instead will be supported anyway.
  if @timeout != 0 and Timer
    begin
      @sock = TCPSocket.new(host, port)
    rescue Timeout::Error
      @sock = nil
      raise Timeout::Error, "Timeout connecting to the server"
    end
  else
    @sock = TCPSocket.new(host, port)
  end
  @sock.setsockopt Socket::IPPROTO_TCP, Socket::TCP_NODELAY, 1
  # If the timeout is set we set the low level socket options in order
  # to make sure a blocking read will return after the specified number
  # of seconds. This hack is from memcached ruby client.
  set_socket_timeout!(@timeout) if @timeout
rescue Errno::ECONNREFUSED
  raise Errno::ECONNREFUSED, "Unable to connect to Redis on #{host}:#{port}"
end