class Redis::Client

def read
  # We read the first byte using read() mainly because gets() is
  # immune to raw socket timeouts.
  begin
    reply_type = @sock.read(1)
  rescue Errno::EAGAIN
    # We want to make sure it reconnects on the next command after the
    # timeout. Otherwise the server may reply in the meantime leaving
    # the protocol in a desync status.
    disconnect
    raise Errno::EAGAIN, "Timeout reading from the socket"
  end
  raise Errno::ECONNRESET, "Connection lost" unless reply_type
  format_reply(reply_type, @sock.gets)
end